1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/dom/base/nsDOMClassInfo.cpp Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,3956 @@ 1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 1.5 +/* vim: set ts=2 sw=2 et tw=78: */ 1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public 1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this 1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 1.9 + 1.10 +#include "mozilla/ArrayUtils.h" 1.11 +// On top because they include basictypes.h: 1.12 +#include "mozilla/dom/SmsFilter.h" 1.13 + 1.14 +#ifdef XP_WIN 1.15 +#undef GetClassName 1.16 +#endif 1.17 + 1.18 +// JavaScript includes 1.19 +#include "jsapi.h" 1.20 +#include "jsfriendapi.h" 1.21 +#include "WrapperFactory.h" 1.22 +#include "AccessCheck.h" 1.23 +#include "XrayWrapper.h" 1.24 + 1.25 +#include "xpcpublic.h" 1.26 +#include "xpcprivate.h" 1.27 +#include "XPCWrapper.h" 1.28 + 1.29 +#include "mozilla/DOMEventTargetHelper.h" 1.30 +#include "mozilla/dom/RegisterBindings.h" 1.31 + 1.32 +#include "nscore.h" 1.33 +#include "nsDOMClassInfo.h" 1.34 +#include "nsCRT.h" 1.35 +#include "nsCRTGlue.h" 1.36 +#include "nsICategoryManager.h" 1.37 +#include "nsIComponentRegistrar.h" 1.38 +#include "nsXPCOM.h" 1.39 +#include "nsISupportsPrimitives.h" 1.40 +#include "nsIXPConnect.h" 1.41 +#include "nsIXPCSecurityManager.h" 1.42 +#include "xptcall.h" 1.43 +#include "nsTArray.h" 1.44 +#include "nsDocument.h" // nsDOMStyleSheetList 1.45 +#include "nsDOMBlobBuilder.h" 1.46 + 1.47 +// General helper includes 1.48 +#include "nsGlobalWindow.h" 1.49 +#include "nsIContent.h" 1.50 +#include "nsIDocument.h" 1.51 +#include "nsIDOMDocument.h" 1.52 +#include "nsIDOMEvent.h" 1.53 +#include "nsIDOMEventListener.h" 1.54 +#include "nsContentUtils.h" 1.55 +#include "nsCxPusher.h" 1.56 +#include "nsIDOMWindowUtils.h" 1.57 +#include "nsIDOMGlobalPropertyInitializer.h" 1.58 +#include "nsLocation.h" 1.59 +#include "mozilla/Attributes.h" 1.60 +#include "mozilla/Telemetry.h" 1.61 + 1.62 +// Window scriptable helper includes 1.63 +#include "nsIDocShell.h" 1.64 +#include "nsIScriptExternalNameSet.h" 1.65 +#include "nsJSUtils.h" 1.66 +#include "nsScriptNameSpaceManager.h" 1.67 +#include "nsIJSNativeInitializer.h" 1.68 +#include "nsJSEnvironment.h" 1.69 + 1.70 +// DOM base includes 1.71 +#include "nsIDOMLocation.h" 1.72 +#include "nsIDOMWindow.h" 1.73 +#include "nsPIDOMWindow.h" 1.74 +#include "nsIDOMJSWindow.h" 1.75 +#include "nsIDOMChromeWindow.h" 1.76 +#include "nsIDOMConstructor.h" 1.77 + 1.78 +// DOM core includes 1.79 +#include "nsError.h" 1.80 +#include "nsIDOMUserDataHandler.h" 1.81 +#include "nsIDOMXULButtonElement.h" 1.82 +#include "nsIDOMXULCheckboxElement.h" 1.83 +#include "nsIDOMXULPopupElement.h" 1.84 + 1.85 +// Event related includes 1.86 +#include "nsIDOMEventTarget.h" 1.87 + 1.88 +// CSS related includes 1.89 +#include "nsCSSRules.h" 1.90 +#include "nsIDOMCSSRule.h" 1.91 +#include "nsICSSRuleList.h" 1.92 +#include "nsAutoPtr.h" 1.93 +#include "nsMemory.h" 1.94 + 1.95 +// Tranformiix 1.96 +#include "nsIXSLTProcessor.h" 1.97 +#include "nsIXSLTProcessorPrivate.h" 1.98 + 1.99 +// includes needed for the prototype chain interfaces 1.100 +#include "nsIDOMCSSCharsetRule.h" 1.101 +#include "nsIDOMCSSImportRule.h" 1.102 +#include "nsIDOMCSSMediaRule.h" 1.103 +#include "nsIDOMCSSFontFaceRule.h" 1.104 +#include "nsIDOMCSSMozDocumentRule.h" 1.105 +#include "nsIDOMCSSSupportsRule.h" 1.106 +#include "nsIDOMMozCSSKeyframeRule.h" 1.107 +#include "nsIDOMMozCSSKeyframesRule.h" 1.108 +#include "nsIDOMCSSPageRule.h" 1.109 +#include "nsIDOMCSSStyleRule.h" 1.110 +#include "nsIDOMCSSStyleSheet.h" 1.111 +#include "nsIDOMXULCommandDispatcher.h" 1.112 +#include "nsIControllers.h" 1.113 +#include "nsIBoxObject.h" 1.114 +#ifdef MOZ_XUL 1.115 +#include "nsITreeSelection.h" 1.116 +#include "nsITreeContentView.h" 1.117 +#include "nsITreeView.h" 1.118 +#include "nsIXULTemplateBuilder.h" 1.119 +#include "nsITreeColumns.h" 1.120 +#endif 1.121 +#include "nsIDOMXPathExpression.h" 1.122 +#include "nsIDOMNSXPathExpression.h" 1.123 +#include "nsIDOMXPathNSResolver.h" 1.124 +#include "nsIDOMXPathResult.h" 1.125 + 1.126 +#include "nsIDOMSVGNumber.h" 1.127 + 1.128 +// Storage includes 1.129 +#include "nsIDOMStorage.h" 1.130 +#include "nsPIDOMStorage.h" 1.131 + 1.132 +// Drag and drop 1.133 +#include "nsIDOMFile.h" 1.134 +#include "nsDOMBlobBuilder.h" // nsDOMMultipartFile 1.135 + 1.136 +#include "nsIEventListenerService.h" 1.137 +#include "nsIMessageManager.h" 1.138 + 1.139 +#include "mozilla/dom/TouchEvent.h" 1.140 + 1.141 +#include "nsWrapperCacheInlines.h" 1.142 +#include "mozilla/dom/HTMLCollectionBinding.h" 1.143 + 1.144 +#include "nsIDOMMobileMessageManager.h" 1.145 +#include "nsIDOMMozSmsMessage.h" 1.146 +#include "nsIDOMMozMmsMessage.h" 1.147 +#include "nsIDOMSmsFilter.h" 1.148 +#include "nsIDOMSmsSegmentInfo.h" 1.149 +#include "nsIDOMMozMobileMessageThread.h" 1.150 + 1.151 +#ifdef MOZ_B2G_RIL 1.152 +#include "nsIDOMMobileConnection.h" 1.153 +#endif // MOZ_B2G_RIL 1.154 + 1.155 +#ifdef MOZ_B2G_FM 1.156 +#include "FMRadio.h" 1.157 +#endif 1.158 + 1.159 +#include "nsIDOMGlobalObjectConstructor.h" 1.160 +#include "nsDebug.h" 1.161 + 1.162 +#include "mozilla/dom/BindingUtils.h" 1.163 +#include "mozilla/Likely.h" 1.164 +#include "WindowNamedPropertiesHandler.h" 1.165 +#include "nsIInterfaceInfoManager.h" 1.166 +#include "mozilla/dom/EventTargetBinding.h" 1.167 +#include "mozilla/dom/WindowBinding.h" 1.168 + 1.169 +#ifdef MOZ_TIME_MANAGER 1.170 +#include "TimeManager.h" 1.171 +#endif 1.172 + 1.173 +using namespace mozilla; 1.174 +using namespace mozilla::dom; 1.175 + 1.176 +static NS_DEFINE_CID(kDOMSOF_CID, NS_DOM_SCRIPT_OBJECT_FACTORY_CID); 1.177 + 1.178 +// NOTE: DEFAULT_SCRIPTABLE_FLAGS and DOM_DEFAULT_SCRIPTABLE_FLAGS 1.179 +// are defined in nsIDOMClassInfo.h. 1.180 + 1.181 +#define WINDOW_SCRIPTABLE_FLAGS \ 1.182 + (nsIXPCScriptable::WANT_PRECREATE | \ 1.183 + nsIXPCScriptable::WANT_POSTCREATE | \ 1.184 + nsIXPCScriptable::WANT_ENUMERATE | \ 1.185 + nsIXPCScriptable::DONT_ENUM_QUERY_INTERFACE | \ 1.186 + nsIXPCScriptable::IS_GLOBAL_OBJECT | \ 1.187 + nsIXPCScriptable::WANT_OUTER_OBJECT) 1.188 + 1.189 +#define ARRAY_SCRIPTABLE_FLAGS \ 1.190 + (DOM_DEFAULT_SCRIPTABLE_FLAGS | \ 1.191 + nsIXPCScriptable::WANT_GETPROPERTY | \ 1.192 + nsIXPCScriptable::WANT_ENUMERATE) 1.193 + 1.194 +#define EVENTTARGET_SCRIPTABLE_FLAGS \ 1.195 + (DOM_DEFAULT_SCRIPTABLE_FLAGS | \ 1.196 + nsIXPCScriptable::WANT_ADDPROPERTY) 1.197 + 1.198 +#define DOMCLASSINFO_STANDARD_FLAGS \ 1.199 + (nsIClassInfo::MAIN_THREAD_ONLY | \ 1.200 + nsIClassInfo::DOM_OBJECT | \ 1.201 + nsIClassInfo::SINGLETON_CLASSINFO) 1.202 + 1.203 + 1.204 +#ifdef DEBUG 1.205 +#define NS_DEFINE_CLASSINFO_DATA_DEBUG(_class) \ 1.206 + eDOMClassInfo_##_class##_id, 1.207 +#else 1.208 +#define NS_DEFINE_CLASSINFO_DATA_DEBUG(_class) \ 1.209 + // nothing 1.210 +#endif 1.211 + 1.212 +/** 1.213 + * To generate the bitmap for a class that we're sure doesn't implement any of 1.214 + * the interfaces in DOMCI_CASTABLE_INTERFACES. 1.215 + */ 1.216 +#define DOMCI_DATA_NO_CLASS(_dom_class) \ 1.217 +const uint32_t kDOMClassInfo_##_dom_class##_interfaces = \ 1.218 + 0; 1.219 + 1.220 +DOMCI_DATA_NO_CLASS(ContentFrameMessageManager) 1.221 +DOMCI_DATA_NO_CLASS(ChromeMessageBroadcaster) 1.222 +DOMCI_DATA_NO_CLASS(ChromeMessageSender) 1.223 + 1.224 +DOMCI_DATA_NO_CLASS(DOMPrototype) 1.225 +DOMCI_DATA_NO_CLASS(DOMConstructor) 1.226 + 1.227 +DOMCI_DATA_NO_CLASS(UserDataHandler) 1.228 +DOMCI_DATA_NO_CLASS(XULControlElement) 1.229 +DOMCI_DATA_NO_CLASS(XULLabeledControlElement) 1.230 +DOMCI_DATA_NO_CLASS(XULButtonElement) 1.231 +DOMCI_DATA_NO_CLASS(XULCheckboxElement) 1.232 +DOMCI_DATA_NO_CLASS(XULPopupElement) 1.233 + 1.234 +#define NS_DEFINE_CLASSINFO_DATA_HELPER(_class, _helper, _flags, \ 1.235 + _chromeOnly, _allowXBL) \ 1.236 + { #_class, \ 1.237 + nullptr, \ 1.238 + { _helper::doCreate }, \ 1.239 + nullptr, \ 1.240 + nullptr, \ 1.241 + nullptr, \ 1.242 + _flags, \ 1.243 + true, \ 1.244 + 0, \ 1.245 + _chromeOnly, \ 1.246 + _allowXBL, \ 1.247 + false, \ 1.248 + NS_DEFINE_CLASSINFO_DATA_DEBUG(_class) \ 1.249 + }, 1.250 + 1.251 +#define NS_DEFINE_CLASSINFO_DATA(_class, _helper, _flags) \ 1.252 + NS_DEFINE_CLASSINFO_DATA_HELPER(_class, _helper, _flags, false, false) 1.253 + 1.254 +#define NS_DEFINE_CHROME_ONLY_CLASSINFO_DATA(_class, _helper, _flags) \ 1.255 + NS_DEFINE_CLASSINFO_DATA_HELPER(_class, _helper, _flags, true, false) 1.256 + 1.257 +#define NS_DEFINE_CHROME_XBL_CLASSINFO_DATA(_class, _helper, _flags) \ 1.258 + NS_DEFINE_CLASSINFO_DATA_HELPER(_class, _helper, _flags, true, true) 1.259 + 1.260 + 1.261 +// This list of NS_DEFINE_CLASSINFO_DATA macros is what gives the DOM 1.262 +// classes their correct behavior when used through XPConnect. The 1.263 +// arguments that are passed to NS_DEFINE_CLASSINFO_DATA are 1.264 +// 1.265 +// 1. Class name as it should appear in JavaScript, this name is also 1.266 +// used to find the id of the class in nsDOMClassInfo 1.267 +// (i.e. e<classname>_id) 1.268 +// 2. Scriptable helper class 1.269 +// 3. nsIClassInfo/nsIXPCScriptable flags (i.e. for GetScriptableFlags) 1.270 + 1.271 +static nsDOMClassInfoData sClassInfoData[] = { 1.272 + // Base classes 1.273 + 1.274 + // The Window class lets you QI into interfaces that are not in the 1.275 + // flattened set (i.e. nsIXPCScriptable::CLASSINFO_INTERFACES_ONLY 1.276 + // is not set), because of this make sure all scriptable interfaces 1.277 + // that are implemented by nsGlobalWindow can securely be exposed 1.278 + // to JS. 1.279 + 1.280 + 1.281 + NS_DEFINE_CLASSINFO_DATA(Window, nsWindowSH, 1.282 + DEFAULT_SCRIPTABLE_FLAGS | 1.283 + WINDOW_SCRIPTABLE_FLAGS) 1.284 + 1.285 + NS_DEFINE_CLASSINFO_DATA(Location, nsLocationSH, 1.286 + ((DOM_DEFAULT_SCRIPTABLE_FLAGS | 1.287 + nsIXPCScriptable::WANT_ADDPROPERTY) & 1.288 + ~nsIXPCScriptable::ALLOW_PROP_MODS_TO_PROTOTYPE)) 1.289 + 1.290 + NS_DEFINE_CLASSINFO_DATA(DOMPrototype, nsDOMConstructorSH, 1.291 + DOM_BASE_SCRIPTABLE_FLAGS | 1.292 + nsIXPCScriptable::WANT_PRECREATE | 1.293 + nsIXPCScriptable::WANT_NEWRESOLVE | 1.294 + nsIXPCScriptable::WANT_HASINSTANCE | 1.295 + nsIXPCScriptable::DONT_ENUM_QUERY_INTERFACE) 1.296 + NS_DEFINE_CLASSINFO_DATA(DOMConstructor, nsDOMConstructorSH, 1.297 + DOM_BASE_SCRIPTABLE_FLAGS | 1.298 + nsIXPCScriptable::WANT_PRECREATE | 1.299 + nsIXPCScriptable::WANT_NEWRESOLVE | 1.300 + nsIXPCScriptable::WANT_HASINSTANCE | 1.301 + nsIXPCScriptable::WANT_CALL | 1.302 + nsIXPCScriptable::WANT_CONSTRUCT | 1.303 + nsIXPCScriptable::DONT_ENUM_QUERY_INTERFACE) 1.304 + 1.305 + // Misc Core related classes 1.306 + 1.307 + // CSS classes 1.308 + NS_DEFINE_CLASSINFO_DATA(CSSStyleRule, nsDOMGenericSH, 1.309 + DOM_DEFAULT_SCRIPTABLE_FLAGS) 1.310 + NS_DEFINE_CLASSINFO_DATA(CSSCharsetRule, nsDOMGenericSH, 1.311 + DOM_DEFAULT_SCRIPTABLE_FLAGS) 1.312 + NS_DEFINE_CLASSINFO_DATA(CSSImportRule, nsDOMGenericSH, 1.313 + DOM_DEFAULT_SCRIPTABLE_FLAGS) 1.314 + NS_DEFINE_CLASSINFO_DATA(CSSMediaRule, nsDOMGenericSH, 1.315 + DOM_DEFAULT_SCRIPTABLE_FLAGS) 1.316 + NS_DEFINE_CLASSINFO_DATA(CSSNameSpaceRule, nsDOMGenericSH, 1.317 + DOM_DEFAULT_SCRIPTABLE_FLAGS) 1.318 + NS_DEFINE_CLASSINFO_DATA(CSSRuleList, nsCSSRuleListSH, 1.319 + ARRAY_SCRIPTABLE_FLAGS) 1.320 + NS_DEFINE_CLASSINFO_DATA(CSSStyleSheet, nsDOMGenericSH, 1.321 + DOM_DEFAULT_SCRIPTABLE_FLAGS) 1.322 + 1.323 + // XUL classes 1.324 +#ifdef MOZ_XUL 1.325 + NS_DEFINE_CHROME_XBL_CLASSINFO_DATA(XULCommandDispatcher, nsDOMGenericSH, 1.326 + DOM_DEFAULT_SCRIPTABLE_FLAGS) 1.327 +#endif 1.328 + NS_DEFINE_CHROME_XBL_CLASSINFO_DATA(XULControllers, nsNonDOMObjectSH, 1.329 + DEFAULT_SCRIPTABLE_FLAGS) 1.330 + NS_DEFINE_CHROME_XBL_CLASSINFO_DATA(BoxObject, nsDOMGenericSH, 1.331 + DEFAULT_SCRIPTABLE_FLAGS) 1.332 +#ifdef MOZ_XUL 1.333 + NS_DEFINE_CHROME_XBL_CLASSINFO_DATA(TreeSelection, nsDOMGenericSH, 1.334 + DEFAULT_SCRIPTABLE_FLAGS) 1.335 + NS_DEFINE_CHROME_XBL_CLASSINFO_DATA(TreeContentView, nsDOMGenericSH, 1.336 + DEFAULT_SCRIPTABLE_FLAGS) 1.337 +#endif 1.338 + 1.339 + // DOM Chrome Window class. 1.340 + NS_DEFINE_CHROME_XBL_CLASSINFO_DATA(ChromeWindow, nsWindowSH, 1.341 + DEFAULT_SCRIPTABLE_FLAGS | 1.342 + WINDOW_SCRIPTABLE_FLAGS) 1.343 + 1.344 +#ifdef MOZ_XUL 1.345 + NS_DEFINE_CHROME_XBL_CLASSINFO_DATA(XULTemplateBuilder, nsDOMGenericSH, 1.346 + DEFAULT_SCRIPTABLE_FLAGS) 1.347 + 1.348 + NS_DEFINE_CHROME_XBL_CLASSINFO_DATA(XULTreeBuilder, nsDOMGenericSH, 1.349 + DEFAULT_SCRIPTABLE_FLAGS) 1.350 +#endif 1.351 + 1.352 +#ifdef MOZ_XUL 1.353 + NS_DEFINE_CHROME_XBL_CLASSINFO_DATA(TreeColumn, nsDOMGenericSH, 1.354 + DEFAULT_SCRIPTABLE_FLAGS) 1.355 +#endif 1.356 + 1.357 + NS_DEFINE_CLASSINFO_DATA(CSSMozDocumentRule, nsDOMGenericSH, 1.358 + DOM_DEFAULT_SCRIPTABLE_FLAGS) 1.359 + 1.360 + NS_DEFINE_CLASSINFO_DATA(CSSSupportsRule, nsDOMGenericSH, 1.361 + DOM_DEFAULT_SCRIPTABLE_FLAGS) 1.362 + 1.363 + // other SVG classes 1.364 + NS_DEFINE_CLASSINFO_DATA(SVGNumber, nsDOMGenericSH, 1.365 + DOM_DEFAULT_SCRIPTABLE_FLAGS) 1.366 + 1.367 + NS_DEFINE_CLASSINFO_DATA(WindowUtils, nsDOMGenericSH, 1.368 + DOM_DEFAULT_SCRIPTABLE_FLAGS) 1.369 + 1.370 + NS_DEFINE_CLASSINFO_DATA(XSLTProcessor, nsDOMGenericSH, 1.371 + DOM_DEFAULT_SCRIPTABLE_FLAGS) 1.372 + 1.373 + NS_DEFINE_CLASSINFO_DATA(XPathExpression, nsDOMGenericSH, 1.374 + DOM_DEFAULT_SCRIPTABLE_FLAGS) 1.375 + NS_DEFINE_CLASSINFO_DATA(XPathNSResolver, nsDOMGenericSH, 1.376 + DOM_DEFAULT_SCRIPTABLE_FLAGS) 1.377 + NS_DEFINE_CLASSINFO_DATA(XPathResult, nsDOMGenericSH, 1.378 + DOM_DEFAULT_SCRIPTABLE_FLAGS) 1.379 + 1.380 + // WhatWG Storage 1.381 + 1.382 + // mrbkap says we don't need WANT_ADDPROPERTY on Storage objects 1.383 + // since a call to addProperty() is always followed by a call to 1.384 + // setProperty(), except in the case when a getter or setter is set 1.385 + // for a property. But we don't care about getters or setters here. 1.386 + NS_DEFINE_CLASSINFO_DATA(Storage, nsStorage2SH, 1.387 + DOM_DEFAULT_SCRIPTABLE_FLAGS | 1.388 + nsIXPCScriptable::WANT_NEWRESOLVE | 1.389 + nsIXPCScriptable::WANT_GETPROPERTY | 1.390 + nsIXPCScriptable::WANT_SETPROPERTY | 1.391 + nsIXPCScriptable::WANT_DELPROPERTY | 1.392 + nsIXPCScriptable::DONT_ENUM_STATIC_PROPS | 1.393 + nsIXPCScriptable::WANT_NEWENUMERATE) 1.394 + 1.395 + NS_DEFINE_CLASSINFO_DATA(Blob, nsDOMGenericSH, 1.396 + DOM_DEFAULT_SCRIPTABLE_FLAGS) 1.397 + NS_DEFINE_CLASSINFO_DATA(File, nsDOMGenericSH, 1.398 + DOM_DEFAULT_SCRIPTABLE_FLAGS) 1.399 + 1.400 + NS_DEFINE_CLASSINFO_DATA(ModalContentWindow, nsWindowSH, 1.401 + DEFAULT_SCRIPTABLE_FLAGS | 1.402 + WINDOW_SCRIPTABLE_FLAGS) 1.403 + 1.404 + NS_DEFINE_CLASSINFO_DATA(MozMobileMessageManager, nsDOMGenericSH, 1.405 + DOM_DEFAULT_SCRIPTABLE_FLAGS) 1.406 + 1.407 + NS_DEFINE_CLASSINFO_DATA(MozSmsMessage, nsDOMGenericSH, 1.408 + DOM_DEFAULT_SCRIPTABLE_FLAGS) 1.409 + 1.410 + NS_DEFINE_CLASSINFO_DATA(MozMmsMessage, nsDOMGenericSH, 1.411 + DOM_DEFAULT_SCRIPTABLE_FLAGS) 1.412 + 1.413 + NS_DEFINE_CLASSINFO_DATA(MozSmsFilter, nsDOMGenericSH, 1.414 + DOM_DEFAULT_SCRIPTABLE_FLAGS) 1.415 + 1.416 + NS_DEFINE_CLASSINFO_DATA(MozSmsSegmentInfo, nsDOMGenericSH, 1.417 + DOM_DEFAULT_SCRIPTABLE_FLAGS) 1.418 + 1.419 + NS_DEFINE_CLASSINFO_DATA(MozMobileMessageThread, nsDOMGenericSH, 1.420 + DOM_DEFAULT_SCRIPTABLE_FLAGS) 1.421 + 1.422 +#ifdef MOZ_B2G_RIL 1.423 + NS_DEFINE_CLASSINFO_DATA(MozMobileConnection, nsDOMGenericSH, 1.424 + DOM_DEFAULT_SCRIPTABLE_FLAGS) 1.425 +#endif 1.426 + 1.427 + NS_DEFINE_CLASSINFO_DATA(CSSFontFaceRule, nsDOMGenericSH, 1.428 + DOM_DEFAULT_SCRIPTABLE_FLAGS) 1.429 + 1.430 + NS_DEFINE_CHROME_ONLY_CLASSINFO_DATA(ContentFrameMessageManager, nsEventTargetSH, 1.431 + DOM_DEFAULT_SCRIPTABLE_FLAGS | 1.432 + nsIXPCScriptable::IS_GLOBAL_OBJECT) 1.433 + NS_DEFINE_CHROME_ONLY_CLASSINFO_DATA(ChromeMessageBroadcaster, nsDOMGenericSH, 1.434 + DOM_DEFAULT_SCRIPTABLE_FLAGS) 1.435 + NS_DEFINE_CHROME_ONLY_CLASSINFO_DATA(ChromeMessageSender, nsDOMGenericSH, 1.436 + DOM_DEFAULT_SCRIPTABLE_FLAGS) 1.437 + 1.438 + 1.439 + NS_DEFINE_CLASSINFO_DATA(MozCSSKeyframeRule, nsDOMGenericSH, 1.440 + DOM_DEFAULT_SCRIPTABLE_FLAGS) 1.441 + NS_DEFINE_CLASSINFO_DATA(MozCSSKeyframesRule, nsDOMGenericSH, 1.442 + DOM_DEFAULT_SCRIPTABLE_FLAGS) 1.443 + 1.444 + NS_DEFINE_CLASSINFO_DATA(CSSPageRule, nsDOMGenericSH, 1.445 + DOM_DEFAULT_SCRIPTABLE_FLAGS) 1.446 + 1.447 + NS_DEFINE_CLASSINFO_DATA(CSSFontFeatureValuesRule, nsDOMGenericSH, 1.448 + DOM_DEFAULT_SCRIPTABLE_FLAGS) 1.449 + 1.450 + NS_DEFINE_CHROME_XBL_CLASSINFO_DATA(UserDataHandler, nsDOMGenericSH, 1.451 + DOM_DEFAULT_SCRIPTABLE_FLAGS) 1.452 + NS_DEFINE_CHROME_XBL_CLASSINFO_DATA(XULControlElement, nsDOMGenericSH, 1.453 + DOM_DEFAULT_SCRIPTABLE_FLAGS) 1.454 + NS_DEFINE_CHROME_XBL_CLASSINFO_DATA(XULLabeledControlElement, nsDOMGenericSH, 1.455 + DOM_DEFAULT_SCRIPTABLE_FLAGS) 1.456 + NS_DEFINE_CHROME_XBL_CLASSINFO_DATA(XULButtonElement, nsDOMGenericSH, 1.457 + DOM_DEFAULT_SCRIPTABLE_FLAGS) 1.458 + NS_DEFINE_CHROME_XBL_CLASSINFO_DATA(XULCheckboxElement, nsDOMGenericSH, 1.459 + DOM_DEFAULT_SCRIPTABLE_FLAGS) 1.460 + NS_DEFINE_CHROME_XBL_CLASSINFO_DATA(XULPopupElement, nsDOMGenericSH, 1.461 + DOM_DEFAULT_SCRIPTABLE_FLAGS) 1.462 +}; 1.463 + 1.464 +#define NS_DEFINE_CONTRACT_CTOR(_class, _contract_id) \ 1.465 + static nsresult \ 1.466 + _class##Ctor(nsISupports** aInstancePtrResult) \ 1.467 + { \ 1.468 + nsresult rv = NS_OK; \ 1.469 + nsCOMPtr<nsISupports> native = do_CreateInstance(_contract_id, &rv); \ 1.470 + native.forget(aInstancePtrResult); \ 1.471 + return rv; \ 1.472 + } 1.473 + 1.474 +NS_DEFINE_CONTRACT_CTOR(XSLTProcessor, 1.475 + "@mozilla.org/document-transformer;1?type=xslt") 1.476 + 1.477 +#undef NS_DEFINE_CONTRACT_CTOR 1.478 + 1.479 +struct nsConstructorFuncMapData 1.480 +{ 1.481 + int32_t mDOMClassInfoID; 1.482 + nsDOMConstructorFunc mConstructorFunc; 1.483 +}; 1.484 + 1.485 +#define NS_DEFINE_CONSTRUCTOR_FUNC_DATA(_class, _func) \ 1.486 + { eDOMClassInfo_##_class##_id, _func }, 1.487 + 1.488 +static const nsConstructorFuncMapData kConstructorFuncMap[] = 1.489 +{ 1.490 + NS_DEFINE_CONSTRUCTOR_FUNC_DATA(Blob, nsDOMMultipartFile::NewBlob) 1.491 + NS_DEFINE_CONSTRUCTOR_FUNC_DATA(File, nsDOMMultipartFile::NewFile) 1.492 + NS_DEFINE_CONSTRUCTOR_FUNC_DATA(MozSmsFilter, SmsFilter::NewSmsFilter) 1.493 + NS_DEFINE_CONSTRUCTOR_FUNC_DATA(XSLTProcessor, XSLTProcessorCtor) 1.494 +}; 1.495 +#undef NS_DEFINE_CONSTRUCTOR_FUNC_DATA 1.496 + 1.497 +nsIXPConnect *nsDOMClassInfo::sXPConnect = nullptr; 1.498 +nsIScriptSecurityManager *nsDOMClassInfo::sSecMan = nullptr; 1.499 +bool nsDOMClassInfo::sIsInitialized = false; 1.500 + 1.501 + 1.502 +jsid nsDOMClassInfo::sLocation_id = JSID_VOID; 1.503 +jsid nsDOMClassInfo::sConstructor_id = JSID_VOID; 1.504 +jsid nsDOMClassInfo::sLength_id = JSID_VOID; 1.505 +jsid nsDOMClassInfo::sItem_id = JSID_VOID; 1.506 +jsid nsDOMClassInfo::sNamedItem_id = JSID_VOID; 1.507 +jsid nsDOMClassInfo::sEnumerate_id = JSID_VOID; 1.508 +jsid nsDOMClassInfo::sTop_id = JSID_VOID; 1.509 +jsid nsDOMClassInfo::sDocument_id = JSID_VOID; 1.510 +jsid nsDOMClassInfo::sWrappedJSObject_id = JSID_VOID; 1.511 + 1.512 +static const JSClass *sObjectClass = nullptr; 1.513 + 1.514 +/** 1.515 + * Set our JSClass pointer for the Object class 1.516 + */ 1.517 +static void 1.518 +FindObjectClass(JSContext* cx, JSObject* aGlobalObject) 1.519 +{ 1.520 + NS_ASSERTION(!sObjectClass, 1.521 + "Double set of sObjectClass"); 1.522 + JS::Rooted<JSObject*> obj(cx), proto(cx, aGlobalObject); 1.523 + do { 1.524 + obj = proto; 1.525 + js::GetObjectProto(cx, obj, &proto); 1.526 + } while (proto); 1.527 + 1.528 + sObjectClass = js::GetObjectJSClass(obj); 1.529 +} 1.530 + 1.531 +static inline JSString * 1.532 +IdToString(JSContext *cx, jsid id) 1.533 +{ 1.534 + if (JSID_IS_STRING(id)) 1.535 + return JSID_TO_STRING(id); 1.536 + JS::Rooted<JS::Value> idval(cx); 1.537 + if (!::JS_IdToValue(cx, id, &idval)) 1.538 + return nullptr; 1.539 + return JS::ToString(cx, idval); 1.540 +} 1.541 + 1.542 +static inline nsresult 1.543 +WrapNative(JSContext *cx, nsISupports *native, 1.544 + nsWrapperCache *cache, const nsIID* aIID, JS::MutableHandle<JS::Value> vp, 1.545 + bool aAllowWrapping) 1.546 +{ 1.547 + if (!native) { 1.548 + vp.setNull(); 1.549 + 1.550 + return NS_OK; 1.551 + } 1.552 + 1.553 + JSObject *wrapper = xpc_FastGetCachedWrapper(cx, cache, vp); 1.554 + if (wrapper) { 1.555 + return NS_OK; 1.556 + } 1.557 + 1.558 + JS::Rooted<JSObject*> scope(cx, JS::CurrentGlobalOrNull(cx)); 1.559 + return nsDOMClassInfo::XPConnect()->WrapNativeToJSVal(cx, scope, native, 1.560 + cache, aIID, 1.561 + aAllowWrapping, vp); 1.562 +} 1.563 + 1.564 +static inline nsresult 1.565 +WrapNative(JSContext *cx, nsISupports *native, const nsIID* aIID, 1.566 + bool aAllowWrapping, JS::MutableHandle<JS::Value> vp) 1.567 +{ 1.568 + return WrapNative(cx, native, nullptr, aIID, vp, aAllowWrapping); 1.569 +} 1.570 + 1.571 +// Same as the WrapNative above, but use these if aIID is nsISupports' IID. 1.572 +static inline nsresult 1.573 +WrapNative(JSContext *cx, nsISupports *native, 1.574 + bool aAllowWrapping, JS::MutableHandle<JS::Value> vp) 1.575 +{ 1.576 + return WrapNative(cx, native, nullptr, nullptr, vp, aAllowWrapping); 1.577 +} 1.578 + 1.579 +static inline nsresult 1.580 +WrapNative(JSContext *cx, nsISupports *native, 1.581 + nsWrapperCache *cache, bool aAllowWrapping, 1.582 + JS::MutableHandle<JS::Value> vp) 1.583 +{ 1.584 + return WrapNative(cx, native, cache, nullptr, vp, aAllowWrapping); 1.585 +} 1.586 + 1.587 +// Helper to handle torn-down inner windows. 1.588 +static inline nsresult 1.589 +SetParentToWindow(nsGlobalWindow *win, JSObject **parent) 1.590 +{ 1.591 + MOZ_ASSERT(win); 1.592 + MOZ_ASSERT(win->IsInnerWindow()); 1.593 + *parent = win->FastGetGlobalJSObject(); 1.594 + 1.595 + if (MOZ_UNLIKELY(!*parent)) { 1.596 + // The inner window has been torn down. The scope is dying, so don't create 1.597 + // any new wrappers. 1.598 + return NS_ERROR_FAILURE; 1.599 + } 1.600 + return NS_OK; 1.601 +} 1.602 + 1.603 +// static 1.604 + 1.605 +nsISupports * 1.606 +nsDOMClassInfo::GetNative(nsIXPConnectWrappedNative *wrapper, JSObject *obj) 1.607 +{ 1.608 + return wrapper ? wrapper->Native() : static_cast<nsISupports*>(js::GetObjectPrivate(obj)); 1.609 +} 1.610 + 1.611 +nsresult 1.612 +nsDOMClassInfo::DefineStaticJSVals(JSContext *cx) 1.613 +{ 1.614 +#define SET_JSID_TO_STRING(_id, _cx, _str) \ 1.615 + if (JSString *str = ::JS_InternString(_cx, _str)) \ 1.616 + _id = INTERNED_STRING_TO_JSID(_cx, str); \ 1.617 + else \ 1.618 + return NS_ERROR_OUT_OF_MEMORY; 1.619 + 1.620 + SET_JSID_TO_STRING(sLocation_id, cx, "location"); 1.621 + SET_JSID_TO_STRING(sConstructor_id, cx, "constructor"); 1.622 + SET_JSID_TO_STRING(sLength_id, cx, "length"); 1.623 + SET_JSID_TO_STRING(sItem_id, cx, "item"); 1.624 + SET_JSID_TO_STRING(sNamedItem_id, cx, "namedItem"); 1.625 + SET_JSID_TO_STRING(sEnumerate_id, cx, "enumerateProperties"); 1.626 + SET_JSID_TO_STRING(sTop_id, cx, "top"); 1.627 + SET_JSID_TO_STRING(sDocument_id, cx, "document"); 1.628 + SET_JSID_TO_STRING(sWrappedJSObject_id, cx, "wrappedJSObject"); 1.629 + 1.630 + return NS_OK; 1.631 +} 1.632 + 1.633 +// static 1.634 +bool 1.635 +nsDOMClassInfo::ObjectIsNativeWrapper(JSContext* cx, JSObject* obj) 1.636 +{ 1.637 + return xpc::WrapperFactory::IsXrayWrapper(obj) && 1.638 + xpc::AccessCheck::wrapperSubsumes(obj); 1.639 +} 1.640 + 1.641 +nsDOMClassInfo::nsDOMClassInfo(nsDOMClassInfoData* aData) : mData(aData) 1.642 +{ 1.643 +} 1.644 + 1.645 +nsDOMClassInfo::~nsDOMClassInfo() 1.646 +{ 1.647 + if (IS_EXTERNAL(mData->mCachedClassInfo)) { 1.648 + // Some compilers don't like delete'ing a const nsDOMClassInfo* 1.649 + nsDOMClassInfoData* data = const_cast<nsDOMClassInfoData*>(mData); 1.650 + delete static_cast<nsExternalDOMClassInfoData*>(data); 1.651 + } 1.652 +} 1.653 + 1.654 +NS_IMPL_ADDREF(nsDOMClassInfo) 1.655 +NS_IMPL_RELEASE(nsDOMClassInfo) 1.656 + 1.657 +NS_INTERFACE_MAP_BEGIN(nsDOMClassInfo) 1.658 + if (aIID.Equals(NS_GET_IID(nsXPCClassInfo))) 1.659 + foundInterface = static_cast<nsIClassInfo*>( 1.660 + static_cast<nsXPCClassInfo*>(this)); 1.661 + else 1.662 + NS_INTERFACE_MAP_ENTRY(nsIXPCScriptable) 1.663 + NS_INTERFACE_MAP_ENTRY(nsIClassInfo) 1.664 + NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIClassInfo) 1.665 +NS_INTERFACE_MAP_END 1.666 + 1.667 + 1.668 +static const JSClass sDOMConstructorProtoClass = { 1.669 + "DOM Constructor.prototype", 0, 1.670 + JS_PropertyStub, JS_DeletePropertyStub, JS_PropertyStub, JS_StrictPropertyStub, 1.671 + JS_EnumerateStub, JS_ResolveStub, JS_ConvertStub, nullptr 1.672 +}; 1.673 + 1.674 + 1.675 +static const char * 1.676 +CutPrefix(const char *aName) { 1.677 + static const char prefix_nsIDOM[] = "nsIDOM"; 1.678 + static const char prefix_nsI[] = "nsI"; 1.679 + 1.680 + if (strncmp(aName, prefix_nsIDOM, sizeof(prefix_nsIDOM) - 1) == 0) { 1.681 + return aName + sizeof(prefix_nsIDOM) - 1; 1.682 + } 1.683 + 1.684 + if (strncmp(aName, prefix_nsI, sizeof(prefix_nsI) - 1) == 0) { 1.685 + return aName + sizeof(prefix_nsI) - 1; 1.686 + } 1.687 + 1.688 + return aName; 1.689 +} 1.690 + 1.691 +// static 1.692 +nsresult 1.693 +nsDOMClassInfo::RegisterClassProtos(int32_t aClassInfoID) 1.694 +{ 1.695 + nsScriptNameSpaceManager *nameSpaceManager = GetNameSpaceManager(); 1.696 + NS_ENSURE_TRUE(nameSpaceManager, NS_ERROR_NOT_INITIALIZED); 1.697 + bool found_old; 1.698 + 1.699 + const nsIID *primary_iid = sClassInfoData[aClassInfoID].mProtoChainInterface; 1.700 + 1.701 + if (!primary_iid || primary_iid == &NS_GET_IID(nsISupports)) { 1.702 + return NS_OK; 1.703 + } 1.704 + 1.705 + nsCOMPtr<nsIInterfaceInfoManager> 1.706 + iim(do_GetService(NS_INTERFACEINFOMANAGER_SERVICE_CONTRACTID)); 1.707 + NS_ENSURE_TRUE(iim, NS_ERROR_NOT_AVAILABLE); 1.708 + 1.709 + nsCOMPtr<nsIInterfaceInfo> if_info; 1.710 + bool first = true; 1.711 + 1.712 + iim->GetInfoForIID(primary_iid, getter_AddRefs(if_info)); 1.713 + 1.714 + while (if_info) { 1.715 + const nsIID *iid = nullptr; 1.716 + 1.717 + if_info->GetIIDShared(&iid); 1.718 + NS_ENSURE_TRUE(iid, NS_ERROR_UNEXPECTED); 1.719 + 1.720 + if (iid->Equals(NS_GET_IID(nsISupports))) { 1.721 + break; 1.722 + } 1.723 + 1.724 + const char *name = nullptr; 1.725 + if_info->GetNameShared(&name); 1.726 + NS_ENSURE_TRUE(name, NS_ERROR_UNEXPECTED); 1.727 + 1.728 + nameSpaceManager->RegisterClassProto(CutPrefix(name), iid, &found_old); 1.729 + 1.730 + if (first) { 1.731 + first = false; 1.732 + } else if (found_old) { 1.733 + break; 1.734 + } 1.735 + 1.736 + nsCOMPtr<nsIInterfaceInfo> tmp(if_info); 1.737 + tmp->GetParent(getter_AddRefs(if_info)); 1.738 + } 1.739 + 1.740 + return NS_OK; 1.741 +} 1.742 + 1.743 +// static 1.744 +nsresult 1.745 +nsDOMClassInfo::RegisterExternalClasses() 1.746 +{ 1.747 + nsScriptNameSpaceManager *nameSpaceManager = GetNameSpaceManager(); 1.748 + NS_ENSURE_TRUE(nameSpaceManager, NS_ERROR_NOT_INITIALIZED); 1.749 + 1.750 + nsCOMPtr<nsIComponentRegistrar> registrar; 1.751 + nsresult rv = NS_GetComponentRegistrar(getter_AddRefs(registrar)); 1.752 + NS_ENSURE_SUCCESS(rv, rv); 1.753 + 1.754 + nsCOMPtr<nsICategoryManager> cm = 1.755 + do_GetService(NS_CATEGORYMANAGER_CONTRACTID, &rv); 1.756 + NS_ENSURE_SUCCESS(rv, rv); 1.757 + 1.758 + nsCOMPtr<nsISimpleEnumerator> e; 1.759 + rv = cm->EnumerateCategory(JAVASCRIPT_DOM_CLASS, getter_AddRefs(e)); 1.760 + NS_ENSURE_SUCCESS(rv, rv); 1.761 + 1.762 + nsXPIDLCString contractId; 1.763 + nsAutoCString categoryEntry; 1.764 + nsCOMPtr<nsISupports> entry; 1.765 + 1.766 + while (NS_SUCCEEDED(e->GetNext(getter_AddRefs(entry)))) { 1.767 + nsCOMPtr<nsISupportsCString> category(do_QueryInterface(entry)); 1.768 + 1.769 + if (!category) { 1.770 + NS_WARNING("Category entry not an nsISupportsCString!"); 1.771 + continue; 1.772 + } 1.773 + 1.774 + rv = category->GetData(categoryEntry); 1.775 + 1.776 + cm->GetCategoryEntry(JAVASCRIPT_DOM_CLASS, categoryEntry.get(), 1.777 + getter_Copies(contractId)); 1.778 + NS_ENSURE_SUCCESS(rv, rv); 1.779 + 1.780 + nsCID *cid; 1.781 + rv = registrar->ContractIDToCID(contractId, &cid); 1.782 + if (NS_FAILED(rv)) { 1.783 + NS_WARNING("Bad contract id registered with the script namespace manager"); 1.784 + continue; 1.785 + } 1.786 + 1.787 + rv = nameSpaceManager->RegisterExternalClassName(categoryEntry.get(), *cid); 1.788 + nsMemory::Free(cid); 1.789 + NS_ENSURE_SUCCESS(rv, rv); 1.790 + } 1.791 + 1.792 + return nameSpaceManager->RegisterExternalInterfaces(true); 1.793 +} 1.794 + 1.795 +#define _DOM_CLASSINFO_MAP_BEGIN(_class, _ifptr, _has_class_if) \ 1.796 + { \ 1.797 + nsDOMClassInfoData &d = sClassInfoData[eDOMClassInfo_##_class##_id]; \ 1.798 + d.mProtoChainInterface = _ifptr; \ 1.799 + d.mHasClassInterface = _has_class_if; \ 1.800 + d.mInterfacesBitmap = kDOMClassInfo_##_class##_interfaces; \ 1.801 + static const nsIID *interface_list[] = { 1.802 + 1.803 +#define DOM_CLASSINFO_MAP_BEGIN(_class, _interface) \ 1.804 + _DOM_CLASSINFO_MAP_BEGIN(_class, &NS_GET_IID(_interface), true) 1.805 + 1.806 +#define DOM_CLASSINFO_MAP_BEGIN_NO_CLASS_IF(_class, _interface) \ 1.807 + _DOM_CLASSINFO_MAP_BEGIN(_class, &NS_GET_IID(_interface), false) 1.808 + 1.809 +#define DOM_CLASSINFO_MAP_ENTRY(_if) \ 1.810 + &NS_GET_IID(_if), 1.811 + 1.812 +#define DOM_CLASSINFO_MAP_CONDITIONAL_ENTRY(_if, _cond) \ 1.813 + (_cond) ? &NS_GET_IID(_if) : nullptr, 1.814 + 1.815 +#define DOM_CLASSINFO_MAP_END \ 1.816 + nullptr \ 1.817 + }; \ 1.818 + \ 1.819 + /* Compact the interface list */ \ 1.820 + size_t count = ArrayLength(interface_list); \ 1.821 + /* count is the number of array entries, which is one greater than the */ \ 1.822 + /* number of interfaces due to the terminating null */ \ 1.823 + for (size_t i = 0; i < count - 1; ++i) { \ 1.824 + if (!interface_list[i]) { \ 1.825 + /* We are moving the element at index i+1 and successors, */ \ 1.826 + /* so we must move only count - (i+1) elements total. */ \ 1.827 + memmove(&interface_list[i], &interface_list[i+1], \ 1.828 + sizeof(nsIID*) * (count - (i+1))); \ 1.829 + /* Make sure to examine the new pointer we ended up with at this */ \ 1.830 + /* slot, since it may be null too */ \ 1.831 + --i; \ 1.832 + --count; \ 1.833 + } \ 1.834 + } \ 1.835 + \ 1.836 + d.mInterfaces = interface_list; \ 1.837 + } 1.838 + 1.839 +#ifdef MOZ_B2G 1.840 +#define DOM_CLASSINFO_WINDOW_MAP_ENTRIES \ 1.841 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMWindow) \ 1.842 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMWindowB2G) \ 1.843 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMJSWindow) \ 1.844 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMEventTarget) \ 1.845 + DOM_CLASSINFO_MAP_ENTRY(nsIInlineEventHandlers) \ 1.846 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMWindowPerformance) \ 1.847 + DOM_CLASSINFO_MAP_ENTRY(nsIInterfaceRequestor) \ 1.848 + DOM_CLASSINFO_MAP_CONDITIONAL_ENTRY(nsITouchEventReceiver, \ 1.849 + TouchEvent::PrefEnabled()) 1.850 +#else // !MOZ_B2G 1.851 +#define DOM_CLASSINFO_WINDOW_MAP_ENTRIES \ 1.852 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMWindow) \ 1.853 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMJSWindow) \ 1.854 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMEventTarget) \ 1.855 + DOM_CLASSINFO_MAP_ENTRY(nsIInlineEventHandlers) \ 1.856 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMWindowPerformance) \ 1.857 + DOM_CLASSINFO_MAP_ENTRY(nsIInterfaceRequestor) \ 1.858 + DOM_CLASSINFO_MAP_CONDITIONAL_ENTRY(nsITouchEventReceiver, \ 1.859 + TouchEvent::PrefEnabled()) 1.860 +#endif // MOZ_B2G 1.861 + 1.862 +nsresult 1.863 +nsDOMClassInfo::Init() 1.864 +{ 1.865 + /* Errors that can trigger early returns are done first, 1.866 + otherwise nsDOMClassInfo is left in a half inited state. */ 1.867 + static_assert(sizeof(uintptr_t) == sizeof(void*), 1.868 + "BAD! You'll need to adjust the size of uintptr_t to the " 1.869 + "size of a pointer on your platform."); 1.870 + 1.871 + NS_ENSURE_TRUE(!sIsInitialized, NS_ERROR_ALREADY_INITIALIZED); 1.872 + 1.873 + nsScriptNameSpaceManager *nameSpaceManager = GetNameSpaceManager(); 1.874 + NS_ENSURE_TRUE(nameSpaceManager, NS_ERROR_NOT_INITIALIZED); 1.875 + 1.876 + nsresult rv = CallGetService(nsIXPConnect::GetCID(), &sXPConnect); 1.877 + NS_ENSURE_SUCCESS(rv, rv); 1.878 + 1.879 + nsCOMPtr<nsIXPCFunctionThisTranslator> elt = new nsEventListenerThisTranslator(); 1.880 + sXPConnect->SetFunctionThisTranslator(NS_GET_IID(nsIDOMEventListener), elt); 1.881 + 1.882 + nsCOMPtr<nsIScriptSecurityManager> sm = 1.883 + do_GetService("@mozilla.org/scriptsecuritymanager;1", &rv); 1.884 + NS_ENSURE_SUCCESS(rv, rv); 1.885 + 1.886 + sSecMan = sm; 1.887 + NS_ADDREF(sSecMan); 1.888 + 1.889 + AutoSafeJSContext cx; 1.890 + 1.891 + DOM_CLASSINFO_MAP_BEGIN(Window, nsIDOMWindow) 1.892 + DOM_CLASSINFO_WINDOW_MAP_ENTRIES 1.893 +#ifdef MOZ_WEBSPEECH 1.894 + DOM_CLASSINFO_MAP_ENTRY(nsISpeechSynthesisGetter) 1.895 +#endif 1.896 + DOM_CLASSINFO_MAP_END 1.897 + 1.898 + DOM_CLASSINFO_MAP_BEGIN(WindowUtils, nsIDOMWindowUtils) 1.899 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMWindowUtils) 1.900 + DOM_CLASSINFO_MAP_END 1.901 + 1.902 + DOM_CLASSINFO_MAP_BEGIN(Location, nsIDOMLocation) 1.903 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMLocation) 1.904 + DOM_CLASSINFO_MAP_END 1.905 + 1.906 + DOM_CLASSINFO_MAP_BEGIN_NO_CLASS_IF(DOMPrototype, nsIDOMDOMConstructor) 1.907 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMDOMConstructor) 1.908 + DOM_CLASSINFO_MAP_END 1.909 + 1.910 + DOM_CLASSINFO_MAP_BEGIN(DOMConstructor, nsIDOMDOMConstructor) 1.911 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMDOMConstructor) 1.912 + DOM_CLASSINFO_MAP_END 1.913 + 1.914 + DOM_CLASSINFO_MAP_BEGIN(CSSStyleRule, nsIDOMCSSStyleRule) 1.915 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMCSSStyleRule) 1.916 + DOM_CLASSINFO_MAP_END 1.917 + 1.918 + DOM_CLASSINFO_MAP_BEGIN(CSSCharsetRule, nsIDOMCSSCharsetRule) 1.919 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMCSSCharsetRule) 1.920 + DOM_CLASSINFO_MAP_END 1.921 + 1.922 + DOM_CLASSINFO_MAP_BEGIN(CSSImportRule, nsIDOMCSSImportRule) 1.923 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMCSSImportRule) 1.924 + DOM_CLASSINFO_MAP_END 1.925 + 1.926 + DOM_CLASSINFO_MAP_BEGIN(CSSMediaRule, nsIDOMCSSMediaRule) 1.927 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMCSSMediaRule) 1.928 + DOM_CLASSINFO_MAP_END 1.929 + 1.930 + DOM_CLASSINFO_MAP_BEGIN_NO_CLASS_IF(CSSNameSpaceRule, nsIDOMCSSRule) 1.931 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMCSSRule) 1.932 + DOM_CLASSINFO_MAP_END 1.933 + 1.934 + DOM_CLASSINFO_MAP_BEGIN(CSSRuleList, nsIDOMCSSRuleList) 1.935 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMCSSRuleList) 1.936 + DOM_CLASSINFO_MAP_END 1.937 + 1.938 + DOM_CLASSINFO_MAP_BEGIN(CSSStyleSheet, nsIDOMCSSStyleSheet) 1.939 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMCSSStyleSheet) 1.940 + DOM_CLASSINFO_MAP_END 1.941 + 1.942 +#ifdef MOZ_XUL 1.943 + DOM_CLASSINFO_MAP_BEGIN(XULCommandDispatcher, nsIDOMXULCommandDispatcher) 1.944 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMXULCommandDispatcher) 1.945 + DOM_CLASSINFO_MAP_END 1.946 +#endif 1.947 + 1.948 + DOM_CLASSINFO_MAP_BEGIN_NO_CLASS_IF(XULControllers, nsIControllers) 1.949 + DOM_CLASSINFO_MAP_ENTRY(nsIControllers) 1.950 + DOM_CLASSINFO_MAP_END 1.951 + 1.952 + DOM_CLASSINFO_MAP_BEGIN(BoxObject, nsIBoxObject) 1.953 + DOM_CLASSINFO_MAP_ENTRY(nsIBoxObject) 1.954 + DOM_CLASSINFO_MAP_END 1.955 + 1.956 +#ifdef MOZ_XUL 1.957 + DOM_CLASSINFO_MAP_BEGIN(TreeSelection, nsITreeSelection) 1.958 + DOM_CLASSINFO_MAP_ENTRY(nsITreeSelection) 1.959 + DOM_CLASSINFO_MAP_END 1.960 + 1.961 + DOM_CLASSINFO_MAP_BEGIN(TreeContentView, nsITreeContentView) 1.962 + DOM_CLASSINFO_MAP_ENTRY(nsITreeContentView) 1.963 + DOM_CLASSINFO_MAP_ENTRY(nsITreeView) 1.964 + DOM_CLASSINFO_MAP_END 1.965 +#endif 1.966 + 1.967 + DOM_CLASSINFO_MAP_BEGIN_NO_CLASS_IF(ChromeWindow, nsIDOMWindow) 1.968 + DOM_CLASSINFO_WINDOW_MAP_ENTRIES 1.969 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMChromeWindow) 1.970 +#ifdef MOZ_WEBSPEECH 1.971 + DOM_CLASSINFO_MAP_ENTRY(nsISpeechSynthesisGetter) 1.972 +#endif 1.973 + DOM_CLASSINFO_MAP_END 1.974 + 1.975 +#ifdef MOZ_XUL 1.976 + DOM_CLASSINFO_MAP_BEGIN(XULTemplateBuilder, nsIXULTemplateBuilder) 1.977 + DOM_CLASSINFO_MAP_ENTRY(nsIXULTemplateBuilder) 1.978 + DOM_CLASSINFO_MAP_END 1.979 + 1.980 + DOM_CLASSINFO_MAP_BEGIN(XULTreeBuilder, nsIXULTreeBuilder) 1.981 + DOM_CLASSINFO_MAP_ENTRY(nsIXULTreeBuilder) 1.982 + DOM_CLASSINFO_MAP_ENTRY(nsIXULTemplateBuilder) 1.983 + DOM_CLASSINFO_MAP_ENTRY(nsITreeView) 1.984 + DOM_CLASSINFO_MAP_END 1.985 +#endif 1.986 + 1.987 +#ifdef MOZ_XUL 1.988 + DOM_CLASSINFO_MAP_BEGIN(TreeColumn, nsITreeColumn) 1.989 + DOM_CLASSINFO_MAP_ENTRY(nsITreeColumn) 1.990 + DOM_CLASSINFO_MAP_END 1.991 +#endif 1.992 + 1.993 + DOM_CLASSINFO_MAP_BEGIN(CSSMozDocumentRule, nsIDOMCSSMozDocumentRule) 1.994 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMCSSMozDocumentRule) 1.995 + DOM_CLASSINFO_MAP_END 1.996 + 1.997 + DOM_CLASSINFO_MAP_BEGIN(CSSSupportsRule, nsIDOMCSSSupportsRule) 1.998 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMCSSSupportsRule) 1.999 + DOM_CLASSINFO_MAP_END 1.1000 + 1.1001 + // The SVG document 1.1002 + 1.1003 + // other SVG classes 1.1004 + DOM_CLASSINFO_MAP_BEGIN(SVGNumber, nsIDOMSVGNumber) 1.1005 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMSVGNumber) 1.1006 + DOM_CLASSINFO_MAP_END 1.1007 + 1.1008 + DOM_CLASSINFO_MAP_BEGIN(XSLTProcessor, nsIXSLTProcessor) 1.1009 + DOM_CLASSINFO_MAP_ENTRY(nsIXSLTProcessor) 1.1010 + DOM_CLASSINFO_MAP_ENTRY(nsIXSLTProcessorPrivate) 1.1011 + DOM_CLASSINFO_MAP_END 1.1012 + 1.1013 + DOM_CLASSINFO_MAP_BEGIN(XPathExpression, nsIDOMXPathExpression) 1.1014 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMXPathExpression) 1.1015 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMNSXPathExpression) 1.1016 + DOM_CLASSINFO_MAP_END 1.1017 + 1.1018 + DOM_CLASSINFO_MAP_BEGIN(XPathNSResolver, nsIDOMXPathNSResolver) 1.1019 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMXPathNSResolver) 1.1020 + DOM_CLASSINFO_MAP_END 1.1021 + 1.1022 + DOM_CLASSINFO_MAP_BEGIN(XPathResult, nsIDOMXPathResult) 1.1023 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMXPathResult) 1.1024 + DOM_CLASSINFO_MAP_END 1.1025 + 1.1026 + DOM_CLASSINFO_MAP_BEGIN(Storage, nsIDOMStorage) 1.1027 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMStorage) 1.1028 + DOM_CLASSINFO_MAP_END 1.1029 + 1.1030 + DOM_CLASSINFO_MAP_BEGIN(Blob, nsIDOMBlob) 1.1031 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMBlob) 1.1032 + DOM_CLASSINFO_MAP_END 1.1033 + 1.1034 + DOM_CLASSINFO_MAP_BEGIN(File, nsIDOMFile) 1.1035 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMBlob) 1.1036 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMFile) 1.1037 + DOM_CLASSINFO_MAP_END 1.1038 + 1.1039 + DOM_CLASSINFO_MAP_BEGIN_NO_CLASS_IF(ModalContentWindow, nsIDOMWindow) 1.1040 + DOM_CLASSINFO_WINDOW_MAP_ENTRIES 1.1041 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMModalContentWindow) 1.1042 +#ifdef MOZ_WEBSPEECH 1.1043 + DOM_CLASSINFO_MAP_ENTRY(nsISpeechSynthesisGetter) 1.1044 +#endif 1.1045 + DOM_CLASSINFO_MAP_END 1.1046 + 1.1047 + DOM_CLASSINFO_MAP_BEGIN(MozMobileMessageManager, nsIDOMMozMobileMessageManager) 1.1048 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMMozMobileMessageManager) 1.1049 + DOM_CLASSINFO_MAP_END 1.1050 + 1.1051 + DOM_CLASSINFO_MAP_BEGIN(MozSmsMessage, nsIDOMMozSmsMessage) 1.1052 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMMozSmsMessage) 1.1053 + DOM_CLASSINFO_MAP_END 1.1054 + 1.1055 + DOM_CLASSINFO_MAP_BEGIN(MozMmsMessage, nsIDOMMozMmsMessage) 1.1056 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMMozMmsMessage) 1.1057 + DOM_CLASSINFO_MAP_END 1.1058 + 1.1059 + DOM_CLASSINFO_MAP_BEGIN(MozSmsFilter, nsIDOMMozSmsFilter) 1.1060 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMMozSmsFilter) 1.1061 + DOM_CLASSINFO_MAP_END 1.1062 + 1.1063 + DOM_CLASSINFO_MAP_BEGIN(MozSmsSegmentInfo, nsIDOMMozSmsSegmentInfo) 1.1064 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMMozSmsSegmentInfo) 1.1065 + DOM_CLASSINFO_MAP_END 1.1066 + 1.1067 + DOM_CLASSINFO_MAP_BEGIN(MozMobileMessageThread, nsIDOMMozMobileMessageThread) 1.1068 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMMozMobileMessageThread) 1.1069 + DOM_CLASSINFO_MAP_END 1.1070 + 1.1071 +#ifdef MOZ_B2G_RIL 1.1072 + DOM_CLASSINFO_MAP_BEGIN(MozMobileConnection, nsIDOMMozMobileConnection) 1.1073 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMMozMobileConnection) 1.1074 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMEventTarget) 1.1075 + DOM_CLASSINFO_MAP_END 1.1076 +#endif // MOZ_B2G_RIL 1.1077 + 1.1078 + DOM_CLASSINFO_MAP_BEGIN(CSSFontFaceRule, nsIDOMCSSFontFaceRule) 1.1079 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMCSSFontFaceRule) 1.1080 + DOM_CLASSINFO_MAP_END 1.1081 + 1.1082 + DOM_CLASSINFO_MAP_BEGIN_NO_CLASS_IF(ContentFrameMessageManager, nsISupports) 1.1083 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMEventTarget) 1.1084 + DOM_CLASSINFO_MAP_ENTRY(nsIMessageListenerManager) 1.1085 + DOM_CLASSINFO_MAP_ENTRY(nsIMessageSender) 1.1086 + DOM_CLASSINFO_MAP_ENTRY(nsISyncMessageSender) 1.1087 + DOM_CLASSINFO_MAP_ENTRY(nsIContentFrameMessageManager) 1.1088 + DOM_CLASSINFO_MAP_END 1.1089 + 1.1090 + DOM_CLASSINFO_MAP_BEGIN_NO_CLASS_IF(ChromeMessageBroadcaster, nsISupports) 1.1091 + DOM_CLASSINFO_MAP_ENTRY(nsIFrameScriptLoader) 1.1092 + DOM_CLASSINFO_MAP_ENTRY(nsIMessageListenerManager) 1.1093 + DOM_CLASSINFO_MAP_ENTRY(nsIMessageBroadcaster) 1.1094 + DOM_CLASSINFO_MAP_END 1.1095 + 1.1096 + DOM_CLASSINFO_MAP_BEGIN_NO_CLASS_IF(ChromeMessageSender, nsISupports) 1.1097 + DOM_CLASSINFO_MAP_ENTRY(nsIProcessChecker) 1.1098 + DOM_CLASSINFO_MAP_ENTRY(nsIFrameScriptLoader) 1.1099 + DOM_CLASSINFO_MAP_ENTRY(nsIMessageListenerManager) 1.1100 + DOM_CLASSINFO_MAP_ENTRY(nsIMessageSender) 1.1101 + DOM_CLASSINFO_MAP_END 1.1102 + 1.1103 + DOM_CLASSINFO_MAP_BEGIN(MozCSSKeyframeRule, nsIDOMMozCSSKeyframeRule) 1.1104 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMMozCSSKeyframeRule) 1.1105 + DOM_CLASSINFO_MAP_END 1.1106 + 1.1107 + DOM_CLASSINFO_MAP_BEGIN(MozCSSKeyframesRule, nsIDOMMozCSSKeyframesRule) 1.1108 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMMozCSSKeyframesRule) 1.1109 + DOM_CLASSINFO_MAP_END 1.1110 + 1.1111 + DOM_CLASSINFO_MAP_BEGIN(CSSPageRule, nsIDOMCSSPageRule) 1.1112 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMCSSPageRule) 1.1113 + DOM_CLASSINFO_MAP_END 1.1114 + 1.1115 + DOM_CLASSINFO_MAP_BEGIN(CSSFontFeatureValuesRule, nsIDOMCSSFontFeatureValuesRule) 1.1116 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMCSSFontFeatureValuesRule) 1.1117 + DOM_CLASSINFO_MAP_END 1.1118 + 1.1119 + DOM_CLASSINFO_MAP_BEGIN_NO_CLASS_IF(UserDataHandler, nsIDOMUserDataHandler) 1.1120 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMUserDataHandler) 1.1121 + DOM_CLASSINFO_MAP_END 1.1122 + 1.1123 + DOM_CLASSINFO_MAP_BEGIN_NO_CLASS_IF(XULControlElement, nsIDOMXULControlElement) 1.1124 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMXULControlElement) 1.1125 + DOM_CLASSINFO_MAP_END 1.1126 + 1.1127 + DOM_CLASSINFO_MAP_BEGIN_NO_CLASS_IF(XULLabeledControlElement, nsIDOMXULLabeledControlElement) 1.1128 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMXULLabeledControlElement) 1.1129 + DOM_CLASSINFO_MAP_END 1.1130 + 1.1131 + DOM_CLASSINFO_MAP_BEGIN_NO_CLASS_IF(XULButtonElement, nsIDOMXULButtonElement) 1.1132 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMXULButtonElement) 1.1133 + DOM_CLASSINFO_MAP_END 1.1134 + 1.1135 + DOM_CLASSINFO_MAP_BEGIN_NO_CLASS_IF(XULCheckboxElement, nsIDOMXULCheckboxElement) 1.1136 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMXULCheckboxElement) 1.1137 + DOM_CLASSINFO_MAP_END 1.1138 + 1.1139 + DOM_CLASSINFO_MAP_BEGIN_NO_CLASS_IF(XULPopupElement, nsIDOMXULPopupElement) 1.1140 + DOM_CLASSINFO_MAP_ENTRY(nsIDOMXULPopupElement) 1.1141 + DOM_CLASSINFO_MAP_END 1.1142 + 1.1143 + static_assert(MOZ_ARRAY_LENGTH(sClassInfoData) == eDOMClassInfoIDCount, 1.1144 + "The number of items in sClassInfoData doesn't match the " 1.1145 + "number of nsIDOMClassInfo ID's, this is bad! Fix it!"); 1.1146 + 1.1147 +#ifdef DEBUG 1.1148 + for (size_t i = 0; i < eDOMClassInfoIDCount; i++) { 1.1149 + if (!sClassInfoData[i].u.mConstructorFptr || 1.1150 + sClassInfoData[i].mDebugID != i) { 1.1151 + MOZ_CRASH("Class info data out of sync, you forgot to update " 1.1152 + "nsDOMClassInfo.h and nsDOMClassInfo.cpp! Fix this, " 1.1153 + "mozilla will not work without this fixed!"); 1.1154 + } 1.1155 + } 1.1156 + 1.1157 + for (size_t i = 0; i < eDOMClassInfoIDCount; i++) { 1.1158 + if (!sClassInfoData[i].mInterfaces) { 1.1159 + MOZ_CRASH("Class info data without an interface list! Fix this, " 1.1160 + "mozilla will not work without this fixed!"); 1.1161 + } 1.1162 + } 1.1163 +#endif 1.1164 + 1.1165 + // Initialize static JSString's 1.1166 + DefineStaticJSVals(cx); 1.1167 + 1.1168 + int32_t i; 1.1169 + 1.1170 + for (i = 0; i < eDOMClassInfoIDCount; ++i) { 1.1171 + if (i == eDOMClassInfo_DOMPrototype_id) { 1.1172 + continue; 1.1173 + } 1.1174 + 1.1175 + nsDOMClassInfoData& data = sClassInfoData[i]; 1.1176 + nameSpaceManager->RegisterClassName(data.mName, i, data.mChromeOnly, 1.1177 + data.mAllowXBL, &data.mNameUTF16); 1.1178 + } 1.1179 + 1.1180 + for (i = 0; i < eDOMClassInfoIDCount; ++i) { 1.1181 + RegisterClassProtos(i); 1.1182 + } 1.1183 + 1.1184 + RegisterExternalClasses(); 1.1185 + 1.1186 + // Register new DOM bindings 1.1187 + mozilla::dom::Register(nameSpaceManager); 1.1188 + 1.1189 + sIsInitialized = true; 1.1190 + 1.1191 + return NS_OK; 1.1192 +} 1.1193 + 1.1194 +// static 1.1195 +int32_t 1.1196 +nsDOMClassInfo::GetArrayIndexFromId(JSContext *cx, JS::Handle<jsid> id, bool *aIsNumber) 1.1197 +{ 1.1198 + if (aIsNumber) { 1.1199 + *aIsNumber = false; 1.1200 + } 1.1201 + 1.1202 + int i; 1.1203 + if (JSID_IS_INT(id)) { 1.1204 + i = JSID_TO_INT(id); 1.1205 + } else { 1.1206 + JS::Rooted<JS::Value> idval(cx); 1.1207 + double array_index; 1.1208 + if (!::JS_IdToValue(cx, id, &idval) || 1.1209 + !JS::ToNumber(cx, idval, &array_index) || 1.1210 + !::JS_DoubleIsInt32(array_index, &i)) { 1.1211 + return -1; 1.1212 + } 1.1213 + } 1.1214 + 1.1215 + if (aIsNumber) { 1.1216 + *aIsNumber = true; 1.1217 + } 1.1218 + 1.1219 + return i; 1.1220 +} 1.1221 + 1.1222 +NS_IMETHODIMP 1.1223 +nsDOMClassInfo::GetInterfaces(uint32_t *aCount, nsIID ***aArray) 1.1224 +{ 1.1225 + uint32_t count = 0; 1.1226 + 1.1227 + while (mData->mInterfaces[count]) { 1.1228 + count++; 1.1229 + } 1.1230 + 1.1231 + *aCount = count; 1.1232 + 1.1233 + if (!count) { 1.1234 + *aArray = nullptr; 1.1235 + 1.1236 + return NS_OK; 1.1237 + } 1.1238 + 1.1239 + *aArray = static_cast<nsIID **>(nsMemory::Alloc(count * sizeof(nsIID *))); 1.1240 + NS_ENSURE_TRUE(*aArray, NS_ERROR_OUT_OF_MEMORY); 1.1241 + 1.1242 + uint32_t i; 1.1243 + for (i = 0; i < count; i++) { 1.1244 + nsIID *iid = static_cast<nsIID *>(nsMemory::Clone(mData->mInterfaces[i], 1.1245 + sizeof(nsIID))); 1.1246 + 1.1247 + if (!iid) { 1.1248 + NS_FREE_XPCOM_ALLOCATED_POINTER_ARRAY(i, *aArray); 1.1249 + 1.1250 + return NS_ERROR_OUT_OF_MEMORY; 1.1251 + } 1.1252 + 1.1253 + *((*aArray) + i) = iid; 1.1254 + } 1.1255 + 1.1256 + return NS_OK; 1.1257 +} 1.1258 + 1.1259 +NS_IMETHODIMP 1.1260 +nsDOMClassInfo::GetHelperForLanguage(uint32_t language, nsISupports **_retval) 1.1261 +{ 1.1262 + if (language == nsIProgrammingLanguage::JAVASCRIPT) { 1.1263 + *_retval = static_cast<nsIXPCScriptable *>(this); 1.1264 + 1.1265 + NS_ADDREF(*_retval); 1.1266 + } else { 1.1267 + *_retval = nullptr; 1.1268 + } 1.1269 + 1.1270 + return NS_OK; 1.1271 +} 1.1272 + 1.1273 +NS_IMETHODIMP 1.1274 +nsDOMClassInfo::GetContractID(char **aContractID) 1.1275 +{ 1.1276 + *aContractID = nullptr; 1.1277 + 1.1278 + return NS_OK; 1.1279 +} 1.1280 + 1.1281 +NS_IMETHODIMP 1.1282 +nsDOMClassInfo::GetClassDescription(char **aClassDescription) 1.1283 +{ 1.1284 + return GetClassName(aClassDescription); 1.1285 +} 1.1286 + 1.1287 +NS_IMETHODIMP 1.1288 +nsDOMClassInfo::GetClassID(nsCID **aClassID) 1.1289 +{ 1.1290 + *aClassID = nullptr; 1.1291 + return NS_OK; 1.1292 +} 1.1293 + 1.1294 +NS_IMETHODIMP 1.1295 +nsDOMClassInfo::GetClassIDNoAlloc(nsCID *aClassID) 1.1296 +{ 1.1297 + return NS_ERROR_NOT_AVAILABLE; 1.1298 +} 1.1299 + 1.1300 +NS_IMETHODIMP 1.1301 +nsDOMClassInfo::GetImplementationLanguage(uint32_t *aImplLanguage) 1.1302 +{ 1.1303 + *aImplLanguage = nsIProgrammingLanguage::CPLUSPLUS; 1.1304 + 1.1305 + return NS_OK; 1.1306 +} 1.1307 + 1.1308 +NS_IMETHODIMP 1.1309 +nsDOMClassInfo::GetFlags(uint32_t *aFlags) 1.1310 +{ 1.1311 + *aFlags = DOMCLASSINFO_STANDARD_FLAGS; 1.1312 + 1.1313 + return NS_OK; 1.1314 +} 1.1315 + 1.1316 +// nsIXPCScriptable 1.1317 + 1.1318 +NS_IMETHODIMP 1.1319 +nsDOMClassInfo::GetClassName(char **aClassName) 1.1320 +{ 1.1321 + *aClassName = NS_strdup(mData->mName); 1.1322 + 1.1323 + return NS_OK; 1.1324 +} 1.1325 + 1.1326 +// virtual 1.1327 +uint32_t 1.1328 +nsDOMClassInfo::GetScriptableFlags() 1.1329 +{ 1.1330 + return mData->mScriptableFlags; 1.1331 +} 1.1332 + 1.1333 +NS_IMETHODIMP 1.1334 +nsDOMClassInfo::PreCreate(nsISupports *nativeObj, JSContext *cx, 1.1335 + JSObject *globalObj, JSObject **parentObj) 1.1336 +{ 1.1337 + *parentObj = globalObj; 1.1338 + return NS_OK; 1.1339 +} 1.1340 + 1.1341 +NS_IMETHODIMP 1.1342 +nsDOMClassInfo::Create(nsIXPConnectWrappedNative *wrapper, 1.1343 + JSContext *cx, JSObject *obj) 1.1344 +{ 1.1345 + NS_WARNING("nsDOMClassInfo::Create Don't call me!"); 1.1346 + 1.1347 + return NS_ERROR_UNEXPECTED; 1.1348 +} 1.1349 + 1.1350 +NS_IMETHODIMP 1.1351 +nsDOMClassInfo::PostCreate(nsIXPConnectWrappedNative *wrapper, 1.1352 + JSContext *cx, JSObject *obj) 1.1353 +{ 1.1354 + NS_WARNING("nsDOMClassInfo::PostCreate Don't call me!"); 1.1355 + 1.1356 + return NS_ERROR_UNEXPECTED; 1.1357 +} 1.1358 + 1.1359 +NS_IMETHODIMP 1.1360 +nsDOMClassInfo::PostTransplant(nsIXPConnectWrappedNative *wrapper, 1.1361 + JSContext *cx, JSObject *obj) 1.1362 +{ 1.1363 + MOZ_CRASH("nsDOMClassInfo::PostTransplant Don't call me!"); 1.1364 +} 1.1365 + 1.1366 +NS_IMETHODIMP 1.1367 +nsDOMClassInfo::AddProperty(nsIXPConnectWrappedNative *wrapper, JSContext *cx, 1.1368 + JSObject *obj, jsid id, jsval *vp, 1.1369 + bool *_retval) 1.1370 +{ 1.1371 + NS_WARNING("nsDOMClassInfo::AddProperty Don't call me!"); 1.1372 + 1.1373 + return NS_ERROR_UNEXPECTED; 1.1374 +} 1.1375 + 1.1376 +NS_IMETHODIMP 1.1377 +nsDOMClassInfo::DelProperty(nsIXPConnectWrappedNative *wrapper, JSContext *cx, 1.1378 + JSObject *obj, jsid id, bool *_retval) 1.1379 +{ 1.1380 + NS_WARNING("nsDOMClassInfo::DelProperty Don't call me!"); 1.1381 + 1.1382 + return NS_ERROR_UNEXPECTED; 1.1383 +} 1.1384 + 1.1385 +NS_IMETHODIMP 1.1386 +nsDOMClassInfo::GetProperty(nsIXPConnectWrappedNative *wrapper, JSContext *cx, 1.1387 + JSObject *obj, jsid id, jsval *vp, 1.1388 + bool *_retval) 1.1389 +{ 1.1390 + NS_WARNING("nsDOMClassInfo::GetProperty Don't call me!"); 1.1391 + 1.1392 + return NS_OK; 1.1393 +} 1.1394 + 1.1395 +NS_IMETHODIMP 1.1396 +nsDOMClassInfo::SetProperty(nsIXPConnectWrappedNative *wrapper, JSContext *cx, 1.1397 + JSObject *obj, jsid id, jsval *vp, 1.1398 + bool *_retval) 1.1399 +{ 1.1400 + NS_WARNING("nsDOMClassInfo::SetProperty Don't call me!"); 1.1401 + 1.1402 + return NS_ERROR_UNEXPECTED; 1.1403 +} 1.1404 + 1.1405 +NS_IMETHODIMP 1.1406 +nsDOMClassInfo::Enumerate(nsIXPConnectWrappedNative *wrapper, JSContext *cx, 1.1407 + JSObject *obj, bool *_retval) 1.1408 +{ 1.1409 + return NS_OK; 1.1410 +} 1.1411 + 1.1412 +NS_IMETHODIMP 1.1413 +nsDOMClassInfo::NewEnumerate(nsIXPConnectWrappedNative *wrapper, 1.1414 + JSContext *cx, JSObject *obj, uint32_t enum_op, 1.1415 + jsval *statep, jsid *idp, bool *_retval) 1.1416 +{ 1.1417 + NS_WARNING("nsDOMClassInfo::NewEnumerate Don't call me!"); 1.1418 + 1.1419 + return NS_ERROR_UNEXPECTED; 1.1420 +} 1.1421 + 1.1422 +nsresult 1.1423 +nsDOMClassInfo::ResolveConstructor(JSContext *cx, JSObject *aObj, 1.1424 + JSObject **objp) 1.1425 +{ 1.1426 + JS::Rooted<JSObject*> obj(cx, aObj); 1.1427 + JS::Rooted<JSObject*> global(cx, ::JS_GetGlobalForObject(cx, obj)); 1.1428 + 1.1429 + JS::Rooted<JS::Value> val(cx); 1.1430 + if (!::JS_LookupProperty(cx, global, mData->mName, &val)) { 1.1431 + return NS_ERROR_UNEXPECTED; 1.1432 + } 1.1433 + 1.1434 + if (!JSVAL_IS_PRIMITIVE(val)) { 1.1435 + // If val is not an (non-null) object there either is no 1.1436 + // constructor for this class, or someone messed with 1.1437 + // window.classname, just fall through and let the JS engine 1.1438 + // return the Object constructor. 1.1439 + 1.1440 + if (!::JS_DefinePropertyById(cx, obj, sConstructor_id, val, JS_PropertyStub, 1.1441 + JS_StrictPropertyStub, JSPROP_ENUMERATE)) { 1.1442 + return NS_ERROR_UNEXPECTED; 1.1443 + } 1.1444 + 1.1445 + *objp = obj; 1.1446 + } 1.1447 + 1.1448 + return NS_OK; 1.1449 +} 1.1450 + 1.1451 +NS_IMETHODIMP 1.1452 +nsDOMClassInfo::NewResolve(nsIXPConnectWrappedNative *wrapper, JSContext *cx, 1.1453 + JSObject *obj, jsid id, JSObject **objp, 1.1454 + bool *_retval) 1.1455 +{ 1.1456 + if (id == sConstructor_id) { 1.1457 + return ResolveConstructor(cx, obj, objp); 1.1458 + } 1.1459 + 1.1460 + return NS_OK; 1.1461 +} 1.1462 + 1.1463 +NS_IMETHODIMP 1.1464 +nsDOMClassInfo::Convert(nsIXPConnectWrappedNative *wrapper, JSContext *cx, 1.1465 + JSObject *obj, uint32_t type, jsval *vp, 1.1466 + bool *_retval) 1.1467 +{ 1.1468 + NS_WARNING("nsDOMClassInfo::Convert Don't call me!"); 1.1469 + 1.1470 + return NS_ERROR_UNEXPECTED; 1.1471 +} 1.1472 + 1.1473 +NS_IMETHODIMP 1.1474 +nsDOMClassInfo::Finalize(nsIXPConnectWrappedNative *wrapper, JSFreeOp *fop, 1.1475 + JSObject *obj) 1.1476 +{ 1.1477 + NS_WARNING("nsDOMClassInfo::Finalize Don't call me!"); 1.1478 + 1.1479 + return NS_ERROR_UNEXPECTED; 1.1480 +} 1.1481 + 1.1482 +NS_IMETHODIMP 1.1483 +nsDOMClassInfo::Call(nsIXPConnectWrappedNative *wrapper, JSContext *cx, 1.1484 + JSObject *obj, const JS::CallArgs &args, bool *_retval) 1.1485 +{ 1.1486 + NS_WARNING("nsDOMClassInfo::Call Don't call me!"); 1.1487 + 1.1488 + return NS_ERROR_UNEXPECTED; 1.1489 +} 1.1490 + 1.1491 +NS_IMETHODIMP 1.1492 +nsDOMClassInfo::Construct(nsIXPConnectWrappedNative *wrapper, JSContext *cx, 1.1493 + JSObject *obj, const JS::CallArgs &args, 1.1494 + bool *_retval) 1.1495 +{ 1.1496 + NS_WARNING("nsDOMClassInfo::Construct Don't call me!"); 1.1497 + 1.1498 + return NS_ERROR_UNEXPECTED; 1.1499 +} 1.1500 + 1.1501 +NS_IMETHODIMP 1.1502 +nsDOMClassInfo::HasInstance(nsIXPConnectWrappedNative *wrapper, JSContext *cx, 1.1503 + JSObject *obj, JS::Handle<JS::Value> val, bool *bp, 1.1504 + bool *_retval) 1.1505 +{ 1.1506 + NS_WARNING("nsDOMClassInfo::HasInstance Don't call me!"); 1.1507 + 1.1508 + return NS_ERROR_UNEXPECTED; 1.1509 +} 1.1510 + 1.1511 +NS_IMETHODIMP 1.1512 +nsDOMClassInfo::OuterObject(nsIXPConnectWrappedNative *wrapper, JSContext * cx, 1.1513 + JSObject * obj, JSObject * *_retval) 1.1514 +{ 1.1515 + NS_WARNING("nsDOMClassInfo::OuterObject Don't call me!"); 1.1516 + 1.1517 + return NS_ERROR_UNEXPECTED; 1.1518 +} 1.1519 + 1.1520 +static nsresult 1.1521 +GetExternalClassInfo(nsScriptNameSpaceManager *aNameSpaceManager, 1.1522 + const nsAString &aName, 1.1523 + const nsGlobalNameStruct *aStruct, 1.1524 + const nsGlobalNameStruct **aResult) 1.1525 +{ 1.1526 + NS_ASSERTION(aStruct->mType == 1.1527 + nsGlobalNameStruct::eTypeExternalClassInfoCreator, 1.1528 + "Wrong type!"); 1.1529 + 1.1530 + nsresult rv; 1.1531 + nsCOMPtr<nsIDOMCIExtension> creator(do_CreateInstance(aStruct->mCID, &rv)); 1.1532 + NS_ENSURE_SUCCESS(rv, rv); 1.1533 + 1.1534 + nsCOMPtr<nsIDOMScriptObjectFactory> sof(do_GetService(kDOMSOF_CID)); 1.1535 + NS_ENSURE_TRUE(sof, NS_ERROR_FAILURE); 1.1536 + 1.1537 + rv = creator->RegisterDOMCI(NS_ConvertUTF16toUTF8(aName).get(), sof); 1.1538 + NS_ENSURE_SUCCESS(rv, rv); 1.1539 + 1.1540 + const nsGlobalNameStruct *name_struct = aNameSpaceManager->LookupName(aName); 1.1541 + if (name_struct && 1.1542 + name_struct->mType == nsGlobalNameStruct::eTypeExternalClassInfo) { 1.1543 + *aResult = name_struct; 1.1544 + } 1.1545 + else { 1.1546 + NS_ERROR("Couldn't get the DOM ClassInfo data."); 1.1547 + 1.1548 + *aResult = nullptr; 1.1549 + } 1.1550 + 1.1551 + return NS_OK; 1.1552 +} 1.1553 + 1.1554 + 1.1555 +static nsresult 1.1556 +ResolvePrototype(nsIXPConnect *aXPConnect, nsGlobalWindow *aWin, JSContext *cx, 1.1557 + JS::Handle<JSObject*> obj, const char16_t *name, 1.1558 + const nsDOMClassInfoData *ci_data, 1.1559 + const nsGlobalNameStruct *name_struct, 1.1560 + nsScriptNameSpaceManager *nameSpaceManager, 1.1561 + JSObject *dot_prototype, 1.1562 + JS::MutableHandle<JSPropertyDescriptor> ctorDesc); 1.1563 + 1.1564 +NS_IMETHODIMP 1.1565 +nsDOMClassInfo::PostCreatePrototype(JSContext * cx, JSObject * aProto) 1.1566 +{ 1.1567 + uint32_t flags = (mData->mScriptableFlags & DONT_ENUM_STATIC_PROPS) 1.1568 + ? 0 1.1569 + : JSPROP_ENUMERATE; 1.1570 + 1.1571 + uint32_t count = 0; 1.1572 + while (mData->mInterfaces[count]) { 1.1573 + count++; 1.1574 + } 1.1575 + 1.1576 + JS::Rooted<JSObject*> proto(cx, aProto); 1.1577 + if (!xpc::DOM_DefineQuickStubs(cx, proto, flags, count, mData->mInterfaces)) { 1.1578 + JS_ClearPendingException(cx); 1.1579 + } 1.1580 + 1.1581 + // This is called before any other location that requires 1.1582 + // sObjectClass, so compute it here. We assume that nobody has had a 1.1583 + // chance to monkey around with proto's prototype chain before this. 1.1584 + if (!sObjectClass) { 1.1585 + FindObjectClass(cx, proto); 1.1586 + NS_ASSERTION(sObjectClass && !strcmp(sObjectClass->name, "Object"), 1.1587 + "Incorrect object class!"); 1.1588 + } 1.1589 + 1.1590 +#ifdef DEBUG 1.1591 + JS::Rooted<JSObject*> proto2(cx); 1.1592 + JS_GetPrototype(cx, proto, &proto2); 1.1593 + NS_ASSERTION(proto2 && JS_GetClass(proto2) == sObjectClass, 1.1594 + "Hmm, somebody did something evil?"); 1.1595 +#endif 1.1596 + 1.1597 +#ifdef DEBUG 1.1598 + if (mData->mHasClassInterface && mData->mProtoChainInterface && 1.1599 + mData->mProtoChainInterface != &NS_GET_IID(nsISupports)) { 1.1600 + nsCOMPtr<nsIInterfaceInfoManager> 1.1601 + iim(do_GetService(NS_INTERFACEINFOMANAGER_SERVICE_CONTRACTID)); 1.1602 + 1.1603 + if (iim) { 1.1604 + nsCOMPtr<nsIInterfaceInfo> if_info; 1.1605 + iim->GetInfoForIID(mData->mProtoChainInterface, 1.1606 + getter_AddRefs(if_info)); 1.1607 + 1.1608 + if (if_info) { 1.1609 + nsXPIDLCString name; 1.1610 + if_info->GetName(getter_Copies(name)); 1.1611 + NS_ASSERTION(nsCRT::strcmp(CutPrefix(name), mData->mName) == 0, 1.1612 + "Class name and proto chain interface name mismatch!"); 1.1613 + } 1.1614 + } 1.1615 + } 1.1616 +#endif 1.1617 + 1.1618 + // Make prototype delegation work correctly. Consider if a site sets 1.1619 + // HTMLElement.prototype.foopy = function () { ... } Now, calling 1.1620 + // document.body.foopy() needs to ensure that looking up foopy on 1.1621 + // document.body's prototype will find the right function. 1.1622 + JS::Rooted<JSObject*> global(cx, ::JS_GetGlobalForObject(cx, proto)); 1.1623 + 1.1624 + // Only do this if the global object is a window. 1.1625 + // XXX Is there a better way to check this? 1.1626 + nsISupports *globalNative = XPConnect()->GetNativeOfWrapper(cx, global); 1.1627 + nsCOMPtr<nsPIDOMWindow> piwin = do_QueryInterface(globalNative); 1.1628 + if (!piwin) { 1.1629 + return NS_OK; 1.1630 + } 1.1631 + 1.1632 + nsGlobalWindow *win = nsGlobalWindow::FromSupports(globalNative); 1.1633 + if (win->IsClosedOrClosing()) { 1.1634 + return NS_OK; 1.1635 + } 1.1636 + 1.1637 + // If the window is in a different compartment than the global object, then 1.1638 + // it's likely that global is a sandbox object whose prototype is a window. 1.1639 + // Don't do anything in this case. 1.1640 + if (win->FastGetGlobalJSObject() && 1.1641 + js::GetObjectCompartment(global) != js::GetObjectCompartment(win->FastGetGlobalJSObject())) { 1.1642 + return NS_OK; 1.1643 + } 1.1644 + 1.1645 + if (win->IsOuterWindow()) { 1.1646 + // XXXjst: Do security checks here when we remove the security 1.1647 + // checks on the inner window. 1.1648 + 1.1649 + win = win->GetCurrentInnerWindowInternal(); 1.1650 + 1.1651 + if (!win || !(global = win->GetGlobalJSObject()) || 1.1652 + win->IsClosedOrClosing()) { 1.1653 + return NS_OK; 1.1654 + } 1.1655 + } 1.1656 + 1.1657 + // Don't overwrite a property set by content. 1.1658 + bool contentDefinedProperty; 1.1659 + if (!::JS_AlreadyHasOwnUCProperty(cx, global, reinterpret_cast<const jschar*>(mData->mNameUTF16), 1.1660 + NS_strlen(mData->mNameUTF16), 1.1661 + &contentDefinedProperty)) { 1.1662 + return NS_ERROR_FAILURE; 1.1663 + } 1.1664 + 1.1665 + nsScriptNameSpaceManager *nameSpaceManager = GetNameSpaceManager(); 1.1666 + NS_ENSURE_TRUE(nameSpaceManager, NS_OK); 1.1667 + 1.1668 + JS::Rooted<JSPropertyDescriptor> desc(cx); 1.1669 + nsresult rv = ResolvePrototype(sXPConnect, win, cx, global, mData->mNameUTF16, 1.1670 + mData, nullptr, nameSpaceManager, proto, 1.1671 + &desc); 1.1672 + NS_ENSURE_SUCCESS(rv, rv); 1.1673 + if (!contentDefinedProperty && desc.object() && !desc.value().isUndefined() && 1.1674 + !JS_DefineUCProperty(cx, global, mData->mNameUTF16, 1.1675 + NS_strlen(mData->mNameUTF16), 1.1676 + desc.value(), desc.getter(), desc.setter(), 1.1677 + desc.attributes())) { 1.1678 + return NS_ERROR_UNEXPECTED; 1.1679 + } 1.1680 + 1.1681 + return NS_OK; 1.1682 +} 1.1683 + 1.1684 +// static 1.1685 +nsIClassInfo * 1.1686 +NS_GetDOMClassInfoInstance(nsDOMClassInfoID aID) 1.1687 +{ 1.1688 + if (aID >= eDOMClassInfoIDCount) { 1.1689 + NS_ERROR("Bad ID!"); 1.1690 + 1.1691 + return nullptr; 1.1692 + } 1.1693 + 1.1694 + if (!nsDOMClassInfo::sIsInitialized) { 1.1695 + nsresult rv = nsDOMClassInfo::Init(); 1.1696 + 1.1697 + NS_ENSURE_SUCCESS(rv, nullptr); 1.1698 + } 1.1699 + 1.1700 + if (!sClassInfoData[aID].mCachedClassInfo) { 1.1701 + nsDOMClassInfoData& data = sClassInfoData[aID]; 1.1702 + 1.1703 + data.mCachedClassInfo = data.u.mConstructorFptr(&data); 1.1704 + NS_ENSURE_TRUE(data.mCachedClassInfo, nullptr); 1.1705 + 1.1706 + NS_ADDREF(data.mCachedClassInfo); 1.1707 + } 1.1708 + 1.1709 + NS_ASSERTION(!IS_EXTERNAL(sClassInfoData[aID].mCachedClassInfo), 1.1710 + "This is bad, internal class marked as external!"); 1.1711 + 1.1712 + return sClassInfoData[aID].mCachedClassInfo; 1.1713 +} 1.1714 + 1.1715 +// static 1.1716 +nsIClassInfo * 1.1717 +nsDOMClassInfo::GetClassInfoInstance(nsDOMClassInfoData* aData) 1.1718 +{ 1.1719 + NS_ASSERTION(IS_EXTERNAL(aData->mCachedClassInfo) 1.1720 + || !aData->mCachedClassInfo, 1.1721 + "This is bad, external class marked as internal!"); 1.1722 + 1.1723 + if (!aData->mCachedClassInfo) { 1.1724 + if (aData->u.mExternalConstructorFptr) { 1.1725 + aData->mCachedClassInfo = 1.1726 + aData->u.mExternalConstructorFptr(aData->mName); 1.1727 + } else { 1.1728 + aData->mCachedClassInfo = nsDOMGenericSH::doCreate(aData); 1.1729 + } 1.1730 + NS_ENSURE_TRUE(aData->mCachedClassInfo, nullptr); 1.1731 + 1.1732 + NS_ADDREF(aData->mCachedClassInfo); 1.1733 + aData->mCachedClassInfo = MARK_EXTERNAL(aData->mCachedClassInfo); 1.1734 + } 1.1735 + 1.1736 + return GET_CLEAN_CI_PTR(aData->mCachedClassInfo); 1.1737 +} 1.1738 + 1.1739 + 1.1740 +// static 1.1741 +void 1.1742 +nsDOMClassInfo::ShutDown() 1.1743 +{ 1.1744 + if (sClassInfoData[0].u.mConstructorFptr) { 1.1745 + uint32_t i; 1.1746 + 1.1747 + for (i = 0; i < eDOMClassInfoIDCount; i++) { 1.1748 + NS_IF_RELEASE(sClassInfoData[i].mCachedClassInfo); 1.1749 + } 1.1750 + } 1.1751 + 1.1752 + sLocation_id = JSID_VOID; 1.1753 + sConstructor_id = JSID_VOID; 1.1754 + sLength_id = JSID_VOID; 1.1755 + sItem_id = JSID_VOID; 1.1756 + sEnumerate_id = JSID_VOID; 1.1757 + sTop_id = JSID_VOID; 1.1758 + sDocument_id = JSID_VOID; 1.1759 + sWrappedJSObject_id = JSID_VOID; 1.1760 + 1.1761 + NS_IF_RELEASE(sXPConnect); 1.1762 + NS_IF_RELEASE(sSecMan); 1.1763 + sIsInitialized = false; 1.1764 +} 1.1765 + 1.1766 +// Window helper 1.1767 + 1.1768 +NS_IMETHODIMP 1.1769 +nsWindowSH::PreCreate(nsISupports *nativeObj, JSContext *cx, 1.1770 + JSObject *globalObj, JSObject **parentObj) 1.1771 +{ 1.1772 + // Normally ::PreCreate() is used to give XPConnect the parent 1.1773 + // object for the object that's being wrapped, this parent object is 1.1774 + // set as the parent of the wrapper and it's also used to find the 1.1775 + // right scope for the object being wrapped. Now, in the case of the 1.1776 + // global object the wrapper shouldn't have a parent but we supply 1.1777 + // one here anyway (the global object itself) and this will be used 1.1778 + // by XPConnect only to find the right scope, once the scope is 1.1779 + // found XPConnect will find the existing wrapper (which always 1.1780 + // exists since it's created on window construction), since an 1.1781 + // existing wrapper is found the parent we supply here is ignored 1.1782 + // after the wrapper is found. 1.1783 + 1.1784 + nsCOMPtr<nsIScriptGlobalObject> sgo(do_QueryInterface(nativeObj)); 1.1785 + NS_ASSERTION(sgo, "nativeObj not a global object!"); 1.1786 + 1.1787 + nsGlobalWindow *win = nsGlobalWindow::FromSupports(nativeObj); 1.1788 + NS_ASSERTION(win->IsInnerWindow(), "Should be inner window."); 1.1789 + 1.1790 + // We sometimes get a disconnected window during file api test. :-( 1.1791 + if (!win->GetOuterWindowInternal()) 1.1792 + return NS_ERROR_FAILURE; 1.1793 + 1.1794 + // If we're bootstrapping, we don't have a JS object yet. 1.1795 + if (win->GetOuterWindowInternal()->IsCreatingInnerWindow()) 1.1796 + return NS_OK; 1.1797 + 1.1798 + return SetParentToWindow(win, parentObj); 1.1799 +} 1.1800 + 1.1801 +NS_IMETHODIMP 1.1802 +nsWindowSH::PostCreatePrototype(JSContext* aCx, JSObject* aProto) 1.1803 +{ 1.1804 + JS::Rooted<JSObject*> proto(aCx, aProto); 1.1805 + 1.1806 + nsresult rv = nsDOMClassInfo::PostCreatePrototype(aCx, proto); 1.1807 + NS_ENSURE_SUCCESS(rv, rv); 1.1808 + 1.1809 + // We should probably move this into the CreateInterfaceObjects for Window 1.1810 + // once it is on WebIDL bindings. 1.1811 + WindowNamedPropertiesHandler::Install(aCx, proto); 1.1812 + return NS_OK; 1.1813 +} 1.1814 + 1.1815 +NS_IMETHODIMP 1.1816 +nsWindowSH::PostCreate(nsIXPConnectWrappedNative *wrapper, 1.1817 + JSContext *cx, JSObject *obj) 1.1818 +{ 1.1819 + JS::Rooted<JSObject*> window(cx, obj); 1.1820 + 1.1821 +#ifdef DEBUG 1.1822 + nsCOMPtr<nsIScriptGlobalObject> sgo(do_QueryWrappedNative(wrapper)); 1.1823 + 1.1824 + NS_ASSERTION(sgo && sgo->GetGlobalJSObject() == obj, 1.1825 + "Multiple wrappers created for global object!"); 1.1826 +#endif 1.1827 + 1.1828 + const NativeProperties* windowProperties = 1.1829 + WindowBinding::sNativePropertyHooks->mNativeProperties.regular; 1.1830 + const NativeProperties* eventTargetProperties = 1.1831 + EventTargetBinding::sNativePropertyHooks->mNativeProperties.regular; 1.1832 + 1.1833 + return DefineWebIDLBindingPropertiesOnXPCObject(cx, window, windowProperties, true) && 1.1834 + DefineWebIDLBindingPropertiesOnXPCObject(cx, window, eventTargetProperties, true) ? 1.1835 + NS_OK : NS_ERROR_FAILURE; 1.1836 +} 1.1837 + 1.1838 +struct ResolveGlobalNameClosure 1.1839 +{ 1.1840 + JSContext* cx; 1.1841 + JS::Handle<JSObject*> obj; 1.1842 + bool* retval; 1.1843 +}; 1.1844 + 1.1845 +static PLDHashOperator 1.1846 +ResolveGlobalName(const nsAString& aName, 1.1847 + const nsGlobalNameStruct& aNameStruct, 1.1848 + void* aClosure) 1.1849 +{ 1.1850 + ResolveGlobalNameClosure* closure = 1.1851 + static_cast<ResolveGlobalNameClosure*>(aClosure); 1.1852 + JS::Rooted<JS::Value> dummy(closure->cx); 1.1853 + bool ok = JS_LookupUCProperty(closure->cx, closure->obj, 1.1854 + aName.BeginReading(), aName.Length(), 1.1855 + &dummy); 1.1856 + if (!ok) { 1.1857 + *closure->retval = false; 1.1858 + return PL_DHASH_STOP; 1.1859 + } 1.1860 + return PL_DHASH_NEXT; 1.1861 +} 1.1862 + 1.1863 +NS_IMETHODIMP 1.1864 +nsWindowSH::Enumerate(nsIXPConnectWrappedNative *wrapper, JSContext *cx, 1.1865 + JSObject *aObj, bool *_retval) 1.1866 +{ 1.1867 + JS::Rooted<JSObject*> obj(cx, aObj); 1.1868 + if (!xpc::WrapperFactory::IsXrayWrapper(obj)) { 1.1869 + *_retval = JS_EnumerateStandardClasses(cx, obj); 1.1870 + if (!*_retval) { 1.1871 + return NS_OK; 1.1872 + } 1.1873 + 1.1874 + // Now resolve everything from the namespace manager 1.1875 + nsScriptNameSpaceManager *nameSpaceManager = GetNameSpaceManager(); 1.1876 + if (!nameSpaceManager) { 1.1877 + NS_ERROR("Can't get namespace manager."); 1.1878 + return NS_ERROR_UNEXPECTED; 1.1879 + } 1.1880 + ResolveGlobalNameClosure closure = { cx, obj, _retval }; 1.1881 + nameSpaceManager->EnumerateGlobalNames(ResolveGlobalName, &closure); 1.1882 + } 1.1883 + 1.1884 + return NS_OK; 1.1885 +} 1.1886 + 1.1887 +static nsDOMConstructorFunc 1.1888 +FindConstructorFunc(const nsDOMClassInfoData *aDOMClassInfoData) 1.1889 +{ 1.1890 + for (uint32_t i = 0; i < ArrayLength(kConstructorFuncMap); ++i) { 1.1891 + if (&sClassInfoData[kConstructorFuncMap[i].mDOMClassInfoID] == 1.1892 + aDOMClassInfoData) { 1.1893 + return kConstructorFuncMap[i].mConstructorFunc; 1.1894 + } 1.1895 + } 1.1896 + return nullptr; 1.1897 +} 1.1898 + 1.1899 +static nsresult 1.1900 +BaseStubConstructor(nsIWeakReference* aWeakOwner, 1.1901 + const nsGlobalNameStruct *name_struct, JSContext *cx, 1.1902 + JS::Handle<JSObject*> obj, const JS::CallArgs &args) 1.1903 +{ 1.1904 + MOZ_ASSERT(obj); 1.1905 + 1.1906 + nsresult rv; 1.1907 + nsCOMPtr<nsISupports> native; 1.1908 + if (name_struct->mType == nsGlobalNameStruct::eTypeClassConstructor) { 1.1909 + const nsDOMClassInfoData* ci_data = 1.1910 + &sClassInfoData[name_struct->mDOMClassInfoID]; 1.1911 + nsDOMConstructorFunc func = FindConstructorFunc(ci_data); 1.1912 + if (func) { 1.1913 + rv = func(getter_AddRefs(native)); 1.1914 + } else { 1.1915 + rv = NS_ERROR_NOT_AVAILABLE; 1.1916 + } 1.1917 + } else if (name_struct->mType == nsGlobalNameStruct::eTypeExternalConstructor) { 1.1918 + native = do_CreateInstance(name_struct->mCID, &rv); 1.1919 + } else if (name_struct->mType == nsGlobalNameStruct::eTypeExternalConstructorAlias) { 1.1920 + native = do_CreateInstance(name_struct->mAlias->mCID, &rv); 1.1921 + } else { 1.1922 + native = do_CreateInstance(*name_struct->mData->mConstructorCID, &rv); 1.1923 + } 1.1924 + if (NS_FAILED(rv)) { 1.1925 + NS_ERROR("Failed to create the object"); 1.1926 + return rv; 1.1927 + } 1.1928 + 1.1929 + nsCOMPtr<nsIJSNativeInitializer> initializer(do_QueryInterface(native)); 1.1930 + nsCOMPtr<nsIDOMGlobalObjectConstructor> constructor(do_QueryInterface(native)); 1.1931 + if (initializer || constructor) { 1.1932 + // Initialize object using the current inner window, but only if 1.1933 + // the caller can access it. 1.1934 + nsCOMPtr<nsPIDOMWindow> owner = do_QueryReferent(aWeakOwner); 1.1935 + nsPIDOMWindow* outerWindow = owner ? owner->GetOuterWindow() : nullptr; 1.1936 + nsPIDOMWindow* currentInner = 1.1937 + outerWindow ? outerWindow->GetCurrentInnerWindow() : nullptr; 1.1938 + if (!currentInner || 1.1939 + (owner != currentInner && 1.1940 + !nsContentUtils::CanCallerAccess(currentInner))) { 1.1941 + return NS_ERROR_DOM_SECURITY_ERR; 1.1942 + } 1.1943 + 1.1944 + if (initializer) { 1.1945 + rv = initializer->Initialize(currentInner, cx, obj, args); 1.1946 + if (NS_FAILED(rv)) { 1.1947 + return rv; 1.1948 + } 1.1949 + } else { 1.1950 + nsCOMPtr<nsIXPConnectWrappedJS> wrappedJS = do_QueryInterface(native); 1.1951 + 1.1952 + JS::Rooted<JSObject*> thisObject(cx, wrappedJS->GetJSObject()); 1.1953 + if (!thisObject) { 1.1954 + return NS_ERROR_UNEXPECTED; 1.1955 + } 1.1956 + 1.1957 + nsCxPusher pusher; 1.1958 + pusher.Push(cx); 1.1959 + 1.1960 + JSAutoCompartment ac(cx, thisObject); 1.1961 + 1.1962 + JS::Rooted<JS::Value> funval(cx); 1.1963 + if (!JS_GetProperty(cx, thisObject, "constructor", &funval) || 1.1964 + !funval.isObject()) { 1.1965 + return NS_ERROR_UNEXPECTED; 1.1966 + } 1.1967 + 1.1968 + // Check if the object is even callable. 1.1969 + NS_ENSURE_STATE(JS_ObjectIsCallable(cx, &funval.toObject())); 1.1970 + { 1.1971 + // wrap parameters in the target compartment 1.1972 + // we also pass in the calling window as the first argument 1.1973 + unsigned argc = args.length() + 1; 1.1974 + JS::AutoValueVector argv(cx); 1.1975 + if (!argv.resize(argc)) { 1.1976 + return NS_ERROR_OUT_OF_MEMORY; 1.1977 + } 1.1978 + 1.1979 + nsCOMPtr<nsIDOMWindow> currentWin(do_GetInterface(currentInner)); 1.1980 + rv = WrapNative(cx, currentWin, &NS_GET_IID(nsIDOMWindow), 1.1981 + true, argv.handleAt(0)); 1.1982 + 1.1983 + for (size_t i = 1; i < argc; ++i) { 1.1984 + argv[i] = args[i - 1]; 1.1985 + if (!JS_WrapValue(cx, argv.handleAt(i))) 1.1986 + return NS_ERROR_FAILURE; 1.1987 + } 1.1988 + 1.1989 + JS::Rooted<JS::Value> frval(cx); 1.1990 + bool ret = JS_CallFunctionValue(cx, thisObject, funval, argv, &frval); 1.1991 + 1.1992 + if (!ret) { 1.1993 + return NS_ERROR_FAILURE; 1.1994 + } 1.1995 + } 1.1996 + } 1.1997 + } 1.1998 + 1.1999 + js::AssertSameCompartment(cx, obj); 1.2000 + return WrapNative(cx, native, true, args.rval()); 1.2001 +} 1.2002 + 1.2003 +static nsresult 1.2004 +DefineInterfaceConstants(JSContext *cx, JS::Handle<JSObject*> obj, const nsIID *aIID) 1.2005 +{ 1.2006 + nsCOMPtr<nsIInterfaceInfoManager> 1.2007 + iim(do_GetService(NS_INTERFACEINFOMANAGER_SERVICE_CONTRACTID)); 1.2008 + NS_ENSURE_TRUE(iim, NS_ERROR_UNEXPECTED); 1.2009 + 1.2010 + nsCOMPtr<nsIInterfaceInfo> if_info; 1.2011 + 1.2012 + nsresult rv = iim->GetInfoForIID(aIID, getter_AddRefs(if_info)); 1.2013 + NS_ENSURE_TRUE(NS_SUCCEEDED(rv) && if_info, rv); 1.2014 + 1.2015 + uint16_t constant_count; 1.2016 + 1.2017 + if_info->GetConstantCount(&constant_count); 1.2018 + 1.2019 + if (!constant_count) { 1.2020 + return NS_OK; 1.2021 + } 1.2022 + 1.2023 + nsCOMPtr<nsIInterfaceInfo> parent_if_info; 1.2024 + 1.2025 + rv = if_info->GetParent(getter_AddRefs(parent_if_info)); 1.2026 + NS_ENSURE_TRUE(NS_SUCCEEDED(rv) && parent_if_info, rv); 1.2027 + 1.2028 + uint16_t parent_constant_count, i; 1.2029 + parent_if_info->GetConstantCount(&parent_constant_count); 1.2030 + 1.2031 + JS::Rooted<JS::Value> v(cx); 1.2032 + for (i = parent_constant_count; i < constant_count; i++) { 1.2033 + const nsXPTConstant *c = nullptr; 1.2034 + 1.2035 + rv = if_info->GetConstant(i, &c); 1.2036 + NS_ENSURE_TRUE(NS_SUCCEEDED(rv) && c, rv); 1.2037 + 1.2038 + uint16_t type = c->GetType().TagPart(); 1.2039 + 1.2040 + v.setUndefined(); 1.2041 + switch (type) { 1.2042 + case nsXPTType::T_I8: 1.2043 + case nsXPTType::T_U8: 1.2044 + { 1.2045 + v.setInt32(c->GetValue()->val.u8); 1.2046 + break; 1.2047 + } 1.2048 + case nsXPTType::T_I16: 1.2049 + case nsXPTType::T_U16: 1.2050 + { 1.2051 + v.setInt32(c->GetValue()->val.u16); 1.2052 + break; 1.2053 + } 1.2054 + case nsXPTType::T_I32: 1.2055 + { 1.2056 + v = JS_NumberValue(c->GetValue()->val.i32); 1.2057 + break; 1.2058 + } 1.2059 + case nsXPTType::T_U32: 1.2060 + { 1.2061 + v = JS_NumberValue(c->GetValue()->val.u32); 1.2062 + break; 1.2063 + } 1.2064 + default: 1.2065 + { 1.2066 +#ifdef DEBUG 1.2067 + NS_ERROR("Non-numeric constant found in interface."); 1.2068 +#endif 1.2069 + continue; 1.2070 + } 1.2071 + } 1.2072 + 1.2073 + if (!::JS_DefineProperty(cx, obj, c->GetName(), v, 1.2074 + JSPROP_ENUMERATE | JSPROP_READONLY | 1.2075 + JSPROP_PERMANENT, 1.2076 + JS_PropertyStub, JS_StrictPropertyStub)) { 1.2077 + return NS_ERROR_UNEXPECTED; 1.2078 + } 1.2079 + } 1.2080 + 1.2081 + return NS_OK; 1.2082 +} 1.2083 + 1.2084 +class nsDOMConstructor MOZ_FINAL : public nsIDOMDOMConstructor 1.2085 +{ 1.2086 +protected: 1.2087 + nsDOMConstructor(const char16_t* aName, 1.2088 + bool aIsConstructable, 1.2089 + nsPIDOMWindow* aOwner) 1.2090 + : mClassName(aName), 1.2091 + mConstructable(aIsConstructable), 1.2092 + mWeakOwner(do_GetWeakReference(aOwner)) 1.2093 + { 1.2094 + } 1.2095 + 1.2096 +public: 1.2097 + 1.2098 + static nsresult Create(const char16_t* aName, 1.2099 + const nsDOMClassInfoData* aData, 1.2100 + const nsGlobalNameStruct* aNameStruct, 1.2101 + nsPIDOMWindow* aOwner, 1.2102 + nsDOMConstructor** aResult); 1.2103 + 1.2104 + NS_DECL_ISUPPORTS 1.2105 + NS_DECL_NSIDOMDOMCONSTRUCTOR 1.2106 + 1.2107 + nsresult PreCreate(JSContext *cx, JSObject *globalObj, JSObject **parentObj); 1.2108 + 1.2109 + nsresult Construct(nsIXPConnectWrappedNative *wrapper, JSContext *cx, 1.2110 + JS::Handle<JSObject*> obj, const JS::CallArgs &args, 1.2111 + bool *_retval); 1.2112 + 1.2113 + nsresult HasInstance(nsIXPConnectWrappedNative *wrapper, JSContext *cx, 1.2114 + JS::Handle<JSObject*> obj, const jsval &val, bool *bp, 1.2115 + bool *_retval); 1.2116 + 1.2117 + nsresult ResolveInterfaceConstants(JSContext *cx, JS::Handle<JSObject*> obj); 1.2118 + 1.2119 +private: 1.2120 + const nsGlobalNameStruct *GetNameStruct() 1.2121 + { 1.2122 + if (!mClassName) { 1.2123 + NS_ERROR("Can't get name"); 1.2124 + return nullptr; 1.2125 + } 1.2126 + 1.2127 + const nsGlobalNameStruct *nameStruct; 1.2128 +#ifdef DEBUG 1.2129 + nsresult rv = 1.2130 +#endif 1.2131 + GetNameStruct(nsDependentString(mClassName), &nameStruct); 1.2132 + 1.2133 + NS_ASSERTION(NS_FAILED(rv) || nameStruct, "Name isn't in hash."); 1.2134 + 1.2135 + return nameStruct; 1.2136 + } 1.2137 + 1.2138 + static nsresult GetNameStruct(const nsAString& aName, 1.2139 + const nsGlobalNameStruct **aNameStruct) 1.2140 + { 1.2141 + *aNameStruct = nullptr; 1.2142 + 1.2143 + nsScriptNameSpaceManager *nameSpaceManager = GetNameSpaceManager(); 1.2144 + if (!nameSpaceManager) { 1.2145 + NS_ERROR("Can't get namespace manager."); 1.2146 + return NS_ERROR_UNEXPECTED; 1.2147 + } 1.2148 + 1.2149 + *aNameStruct = nameSpaceManager->LookupName(aName); 1.2150 + 1.2151 + // Return NS_OK here, aName just isn't a DOM class but nothing failed. 1.2152 + return NS_OK; 1.2153 + } 1.2154 + 1.2155 + static bool IsConstructable(const nsDOMClassInfoData *aData) 1.2156 + { 1.2157 + if (IS_EXTERNAL(aData->mCachedClassInfo)) { 1.2158 + const nsExternalDOMClassInfoData* data = 1.2159 + static_cast<const nsExternalDOMClassInfoData*>(aData); 1.2160 + return data->mConstructorCID != nullptr; 1.2161 + } 1.2162 + 1.2163 + return FindConstructorFunc(aData); 1.2164 + } 1.2165 + static bool IsConstructable(const nsGlobalNameStruct *aNameStruct) 1.2166 + { 1.2167 + return 1.2168 + (aNameStruct->mType == nsGlobalNameStruct::eTypeClassConstructor && 1.2169 + IsConstructable(&sClassInfoData[aNameStruct->mDOMClassInfoID])) || 1.2170 + (aNameStruct->mType == nsGlobalNameStruct::eTypeExternalClassInfo && 1.2171 + IsConstructable(aNameStruct->mData)) || 1.2172 + aNameStruct->mType == nsGlobalNameStruct::eTypeExternalConstructor || 1.2173 + aNameStruct->mType == nsGlobalNameStruct::eTypeExternalConstructorAlias; 1.2174 + } 1.2175 + 1.2176 + const char16_t* mClassName; 1.2177 + const bool mConstructable; 1.2178 + nsWeakPtr mWeakOwner; 1.2179 +}; 1.2180 + 1.2181 +//static 1.2182 +nsresult 1.2183 +nsDOMConstructor::Create(const char16_t* aName, 1.2184 + const nsDOMClassInfoData* aData, 1.2185 + const nsGlobalNameStruct* aNameStruct, 1.2186 + nsPIDOMWindow* aOwner, 1.2187 + nsDOMConstructor** aResult) 1.2188 +{ 1.2189 + *aResult = nullptr; 1.2190 + // Prevent creating a constructor if aOwner is inner window which doesn't have 1.2191 + // an outer window. If the outer window doesn't have an inner window or the 1.2192 + // caller can't access the outer window's current inner window then try to use 1.2193 + // the owner (so long as it is, in fact, an inner window). If that doesn't 1.2194 + // work then prevent creation also. 1.2195 + nsPIDOMWindow* outerWindow = aOwner->GetOuterWindow(); 1.2196 + nsPIDOMWindow* currentInner = 1.2197 + outerWindow ? outerWindow->GetCurrentInnerWindow() : aOwner; 1.2198 + if (!currentInner || 1.2199 + (aOwner != currentInner && 1.2200 + !nsContentUtils::CanCallerAccess(currentInner) && 1.2201 + !(currentInner = aOwner)->IsInnerWindow())) { 1.2202 + return NS_ERROR_DOM_SECURITY_ERR; 1.2203 + } 1.2204 + 1.2205 + bool constructable = aNameStruct ? 1.2206 + IsConstructable(aNameStruct) : 1.2207 + IsConstructable(aData); 1.2208 + 1.2209 + *aResult = new nsDOMConstructor(aName, constructable, currentInner); 1.2210 + NS_ENSURE_TRUE(*aResult, NS_ERROR_OUT_OF_MEMORY); 1.2211 + NS_ADDREF(*aResult); 1.2212 + return NS_OK; 1.2213 +} 1.2214 + 1.2215 +NS_IMPL_ADDREF(nsDOMConstructor) 1.2216 +NS_IMPL_RELEASE(nsDOMConstructor) 1.2217 +NS_INTERFACE_MAP_BEGIN(nsDOMConstructor) 1.2218 + NS_INTERFACE_MAP_ENTRY(nsIDOMDOMConstructor) 1.2219 + NS_INTERFACE_MAP_ENTRY(nsISupports) 1.2220 + if (aIID.Equals(NS_GET_IID(nsIClassInfo))) { 1.2221 +#ifdef DEBUG 1.2222 + { 1.2223 + const nsGlobalNameStruct *name_struct = GetNameStruct(); 1.2224 + NS_ASSERTION(!name_struct || 1.2225 + mConstructable == IsConstructable(name_struct), 1.2226 + "Can't change constructability dynamically!"); 1.2227 + } 1.2228 +#endif 1.2229 + foundInterface = 1.2230 + NS_GetDOMClassInfoInstance(mConstructable ? 1.2231 + eDOMClassInfo_DOMConstructor_id : 1.2232 + eDOMClassInfo_DOMPrototype_id); 1.2233 + if (!foundInterface) { 1.2234 + *aInstancePtr = nullptr; 1.2235 + return NS_ERROR_OUT_OF_MEMORY; 1.2236 + } 1.2237 + } else 1.2238 +NS_INTERFACE_MAP_END 1.2239 + 1.2240 +nsresult 1.2241 +nsDOMConstructor::PreCreate(JSContext *cx, JSObject *globalObj, JSObject **parentObj) 1.2242 +{ 1.2243 + nsCOMPtr<nsPIDOMWindow> owner(do_QueryReferent(mWeakOwner)); 1.2244 + if (!owner) { 1.2245 + // Can't do anything. 1.2246 + return NS_OK; 1.2247 + } 1.2248 + 1.2249 + nsGlobalWindow *win = static_cast<nsGlobalWindow *>(owner.get()); 1.2250 + return SetParentToWindow(win, parentObj); 1.2251 +} 1.2252 + 1.2253 +nsresult 1.2254 +nsDOMConstructor::Construct(nsIXPConnectWrappedNative *wrapper, JSContext * cx, 1.2255 + JS::Handle<JSObject*> obj, const JS::CallArgs &args, 1.2256 + bool *_retval) 1.2257 +{ 1.2258 + MOZ_ASSERT(obj); 1.2259 + 1.2260 + const nsGlobalNameStruct *name_struct = GetNameStruct(); 1.2261 + NS_ENSURE_TRUE(name_struct, NS_ERROR_FAILURE); 1.2262 + 1.2263 + if (!IsConstructable(name_struct)) { 1.2264 + // ignore return value, we return false anyway 1.2265 + return NS_ERROR_DOM_NOT_SUPPORTED_ERR; 1.2266 + } 1.2267 + 1.2268 + return BaseStubConstructor(mWeakOwner, name_struct, cx, obj, args); 1.2269 +} 1.2270 + 1.2271 +nsresult 1.2272 +nsDOMConstructor::HasInstance(nsIXPConnectWrappedNative *wrapper, 1.2273 + JSContext * cx, JS::Handle<JSObject*> obj, 1.2274 + const jsval &v, bool *bp, bool *_retval) 1.2275 + 1.2276 +{ 1.2277 + // No need to look these up in the hash. 1.2278 + *bp = false; 1.2279 + if (JSVAL_IS_PRIMITIVE(v)) { 1.2280 + return NS_OK; 1.2281 + } 1.2282 + 1.2283 + JS::Rooted<JSObject*> dom_obj(cx, v.toObjectOrNull()); 1.2284 + NS_ASSERTION(dom_obj, "nsDOMConstructor::HasInstance couldn't get object"); 1.2285 + 1.2286 + // This might not be the right object, if there are wrappers. Unwrap if we can. 1.2287 + JSObject *wrapped_obj = js::CheckedUnwrap(dom_obj, /* stopAtOuter = */ false); 1.2288 + if (wrapped_obj) 1.2289 + dom_obj = wrapped_obj; 1.2290 + 1.2291 + const JSClass *dom_class = JS_GetClass(dom_obj); 1.2292 + if (!dom_class) { 1.2293 + NS_ERROR("nsDOMConstructor::HasInstance can't get class."); 1.2294 + return NS_ERROR_UNEXPECTED; 1.2295 + } 1.2296 + 1.2297 + const nsGlobalNameStruct *name_struct; 1.2298 + nsresult rv = GetNameStruct(NS_ConvertASCIItoUTF16(dom_class->name), &name_struct); 1.2299 + if (NS_FAILED(rv)) { 1.2300 + return rv; 1.2301 + } 1.2302 + 1.2303 + if (!name_struct) { 1.2304 + // This isn't a normal DOM object, see if this constructor lives on its 1.2305 + // prototype chain. 1.2306 + JS::Rooted<JS::Value> val(cx); 1.2307 + if (!JS_GetProperty(cx, obj, "prototype", &val)) { 1.2308 + return NS_ERROR_UNEXPECTED; 1.2309 + } 1.2310 + 1.2311 + if (JSVAL_IS_PRIMITIVE(val)) { 1.2312 + return NS_OK; 1.2313 + } 1.2314 + 1.2315 + JS::Rooted<JSObject*> dot_prototype(cx, val.toObjectOrNull()); 1.2316 + 1.2317 + JS::Rooted<JSObject*> proto(cx, dom_obj); 1.2318 + for (;;) { 1.2319 + if (!JS_GetPrototype(cx, proto, &proto)) { 1.2320 + return NS_ERROR_UNEXPECTED; 1.2321 + } 1.2322 + if (!proto) { 1.2323 + break; 1.2324 + } 1.2325 + if (proto == dot_prototype) { 1.2326 + *bp = true; 1.2327 + break; 1.2328 + } 1.2329 + } 1.2330 + 1.2331 + return NS_OK; 1.2332 + } 1.2333 + 1.2334 + if (name_struct->mType != nsGlobalNameStruct::eTypeClassConstructor && 1.2335 + name_struct->mType != nsGlobalNameStruct::eTypeExternalClassInfo && 1.2336 + name_struct->mType != nsGlobalNameStruct::eTypeExternalConstructorAlias) { 1.2337 + // Doesn't have DOM interfaces. 1.2338 + return NS_OK; 1.2339 + } 1.2340 + 1.2341 + const nsGlobalNameStruct *class_name_struct = GetNameStruct(); 1.2342 + NS_ENSURE_TRUE(class_name_struct, NS_ERROR_FAILURE); 1.2343 + 1.2344 + if (name_struct == class_name_struct) { 1.2345 + *bp = true; 1.2346 + 1.2347 + return NS_OK; 1.2348 + } 1.2349 + 1.2350 + nsScriptNameSpaceManager *nameSpaceManager = GetNameSpaceManager(); 1.2351 + NS_ASSERTION(nameSpaceManager, "Can't get namespace manager?"); 1.2352 + 1.2353 + const nsIID *class_iid; 1.2354 + if (class_name_struct->mType == nsGlobalNameStruct::eTypeInterface || 1.2355 + class_name_struct->mType == nsGlobalNameStruct::eTypeClassProto) { 1.2356 + class_iid = &class_name_struct->mIID; 1.2357 + } else if (class_name_struct->mType == nsGlobalNameStruct::eTypeClassConstructor) { 1.2358 + class_iid = 1.2359 + sClassInfoData[class_name_struct->mDOMClassInfoID].mProtoChainInterface; 1.2360 + } else if (class_name_struct->mType == nsGlobalNameStruct::eTypeExternalClassInfo) { 1.2361 + class_iid = class_name_struct->mData->mProtoChainInterface; 1.2362 + } else if (class_name_struct->mType == nsGlobalNameStruct::eTypeExternalConstructorAlias) { 1.2363 + const nsGlobalNameStruct* alias_struct = 1.2364 + nameSpaceManager->GetConstructorProto(class_name_struct); 1.2365 + if (!alias_struct) { 1.2366 + NS_ERROR("Couldn't get constructor prototype."); 1.2367 + return NS_ERROR_UNEXPECTED; 1.2368 + } 1.2369 + 1.2370 + if (alias_struct->mType == nsGlobalNameStruct::eTypeClassConstructor) { 1.2371 + class_iid = 1.2372 + sClassInfoData[alias_struct->mDOMClassInfoID].mProtoChainInterface; 1.2373 + } else if (alias_struct->mType == nsGlobalNameStruct::eTypeExternalClassInfo) { 1.2374 + class_iid = alias_struct->mData->mProtoChainInterface; 1.2375 + } else { 1.2376 + NS_ERROR("Expected eTypeClassConstructor or eTypeExternalClassInfo."); 1.2377 + return NS_ERROR_UNEXPECTED; 1.2378 + } 1.2379 + } else { 1.2380 + *bp = false; 1.2381 + 1.2382 + return NS_OK; 1.2383 + } 1.2384 + 1.2385 + if (name_struct->mType == nsGlobalNameStruct::eTypeExternalConstructorAlias) { 1.2386 + name_struct = nameSpaceManager->GetConstructorProto(name_struct); 1.2387 + if (!name_struct) { 1.2388 + NS_ERROR("Couldn't get constructor prototype."); 1.2389 + return NS_ERROR_UNEXPECTED; 1.2390 + } 1.2391 + } 1.2392 + 1.2393 + NS_ASSERTION(name_struct->mType == nsGlobalNameStruct::eTypeClassConstructor || 1.2394 + name_struct->mType == nsGlobalNameStruct::eTypeExternalClassInfo, 1.2395 + "The constructor was set up with a struct of the wrong type."); 1.2396 + 1.2397 + const nsDOMClassInfoData *ci_data = nullptr; 1.2398 + if (name_struct->mType == nsGlobalNameStruct::eTypeClassConstructor && 1.2399 + name_struct->mDOMClassInfoID >= 0) { 1.2400 + ci_data = &sClassInfoData[name_struct->mDOMClassInfoID]; 1.2401 + } else if (name_struct->mType == nsGlobalNameStruct::eTypeExternalClassInfo) { 1.2402 + ci_data = name_struct->mData; 1.2403 + } 1.2404 + 1.2405 + nsCOMPtr<nsIInterfaceInfoManager> 1.2406 + iim(do_GetService(NS_INTERFACEINFOMANAGER_SERVICE_CONTRACTID)); 1.2407 + if (!iim) { 1.2408 + NS_ERROR("nsDOMConstructor::HasInstance can't get interface info mgr."); 1.2409 + return NS_ERROR_UNEXPECTED; 1.2410 + } 1.2411 + 1.2412 + nsCOMPtr<nsIInterfaceInfo> if_info; 1.2413 + uint32_t count = 0; 1.2414 + const nsIID* class_interface; 1.2415 + while ((class_interface = ci_data->mInterfaces[count++])) { 1.2416 + if (class_iid->Equals(*class_interface)) { 1.2417 + *bp = true; 1.2418 + 1.2419 + return NS_OK; 1.2420 + } 1.2421 + 1.2422 + iim->GetInfoForIID(class_interface, getter_AddRefs(if_info)); 1.2423 + if (!if_info) { 1.2424 + NS_ERROR("nsDOMConstructor::HasInstance can't get interface info."); 1.2425 + return NS_ERROR_UNEXPECTED; 1.2426 + } 1.2427 + 1.2428 + if_info->HasAncestor(class_iid, bp); 1.2429 + 1.2430 + if (*bp) { 1.2431 + return NS_OK; 1.2432 + } 1.2433 + } 1.2434 + 1.2435 + return NS_OK; 1.2436 +} 1.2437 + 1.2438 +nsresult 1.2439 +nsDOMConstructor::ResolveInterfaceConstants(JSContext *cx, JS::Handle<JSObject*> obj) 1.2440 +{ 1.2441 + const nsGlobalNameStruct *class_name_struct = GetNameStruct(); 1.2442 + if (!class_name_struct) 1.2443 + return NS_ERROR_UNEXPECTED; 1.2444 + 1.2445 + const nsIID *class_iid; 1.2446 + if (class_name_struct->mType == nsGlobalNameStruct::eTypeInterface || 1.2447 + class_name_struct->mType == nsGlobalNameStruct::eTypeClassProto) { 1.2448 + class_iid = &class_name_struct->mIID; 1.2449 + } else if (class_name_struct->mType == nsGlobalNameStruct::eTypeClassConstructor) { 1.2450 + class_iid = 1.2451 + sClassInfoData[class_name_struct->mDOMClassInfoID].mProtoChainInterface; 1.2452 + } else if (class_name_struct->mType == nsGlobalNameStruct::eTypeExternalClassInfo) { 1.2453 + class_iid = class_name_struct->mData->mProtoChainInterface; 1.2454 + } else { 1.2455 + return NS_OK; 1.2456 + } 1.2457 + 1.2458 + nsresult rv = DefineInterfaceConstants(cx, obj, class_iid); 1.2459 + NS_ENSURE_SUCCESS(rv, rv); 1.2460 + 1.2461 + return NS_OK; 1.2462 +} 1.2463 + 1.2464 +NS_IMETHODIMP 1.2465 +nsDOMConstructor::ToString(nsAString &aResult) 1.2466 +{ 1.2467 + aResult.AssignLiteral("[object "); 1.2468 + aResult.Append(mClassName); 1.2469 + aResult.Append(char16_t(']')); 1.2470 + 1.2471 + return NS_OK; 1.2472 +} 1.2473 + 1.2474 + 1.2475 +static nsresult 1.2476 +GetXPCProto(nsIXPConnect *aXPConnect, JSContext *cx, nsGlobalWindow *aWin, 1.2477 + const nsGlobalNameStruct *aNameStruct, 1.2478 + nsIXPConnectJSObjectHolder **aProto) 1.2479 +{ 1.2480 + NS_ASSERTION(aNameStruct->mType == 1.2481 + nsGlobalNameStruct::eTypeClassConstructor || 1.2482 + aNameStruct->mType == nsGlobalNameStruct::eTypeExternalClassInfo, 1.2483 + "Wrong type!"); 1.2484 + 1.2485 + nsCOMPtr<nsIClassInfo> ci; 1.2486 + if (aNameStruct->mType == nsGlobalNameStruct::eTypeClassConstructor) { 1.2487 + int32_t id = aNameStruct->mDOMClassInfoID; 1.2488 + NS_ABORT_IF_FALSE(id >= 0, "Negative DOM classinfo?!?"); 1.2489 + 1.2490 + nsDOMClassInfoID ci_id = (nsDOMClassInfoID)id; 1.2491 + 1.2492 + ci = NS_GetDOMClassInfoInstance(ci_id); 1.2493 + 1.2494 + // In most cases we want to find the wrapped native prototype in 1.2495 + // aWin's scope and use that prototype for 1.2496 + // ClassName.prototype. But in the case where we're setting up 1.2497 + // "Window.prototype" or "ChromeWindow.prototype" we want to do 1.2498 + // the look up in aWin's outer window's scope since the inner 1.2499 + // window's wrapped native prototype comes from the outer 1.2500 + // window's scope. 1.2501 + if (ci_id == eDOMClassInfo_Window_id || 1.2502 + ci_id == eDOMClassInfo_ModalContentWindow_id || 1.2503 + ci_id == eDOMClassInfo_ChromeWindow_id) { 1.2504 + nsGlobalWindow *scopeWindow = aWin->GetOuterWindowInternal(); 1.2505 + 1.2506 + if (scopeWindow) { 1.2507 + aWin = scopeWindow; 1.2508 + } 1.2509 + } 1.2510 + } 1.2511 + else { 1.2512 + ci = nsDOMClassInfo::GetClassInfoInstance(aNameStruct->mData); 1.2513 + } 1.2514 + NS_ENSURE_TRUE(ci, NS_ERROR_UNEXPECTED); 1.2515 + 1.2516 + nsresult rv = 1.2517 + aXPConnect->GetWrappedNativePrototype(cx, aWin->GetGlobalJSObject(), ci, 1.2518 + aProto); 1.2519 + NS_ENSURE_SUCCESS(rv, rv); 1.2520 + 1.2521 + JS::Rooted<JSObject*> proto_obj(cx, (*aProto)->GetJSObject()); 1.2522 + if (!JS_WrapObject(cx, &proto_obj)) { 1.2523 + return NS_ERROR_FAILURE; 1.2524 + } 1.2525 + 1.2526 + NS_IF_RELEASE(*aProto); 1.2527 + return aXPConnect->HoldObject(cx, proto_obj, aProto); 1.2528 +} 1.2529 + 1.2530 +// Either ci_data must be non-null or name_struct must be non-null and of type 1.2531 +// eTypeClassProto. 1.2532 +static nsresult 1.2533 +ResolvePrototype(nsIXPConnect *aXPConnect, nsGlobalWindow *aWin, JSContext *cx, 1.2534 + JS::Handle<JSObject*> obj, const char16_t *name, 1.2535 + const nsDOMClassInfoData *ci_data, 1.2536 + const nsGlobalNameStruct *name_struct, 1.2537 + nsScriptNameSpaceManager *nameSpaceManager, 1.2538 + JSObject* aDot_prototype, 1.2539 + JS::MutableHandle<JSPropertyDescriptor> ctorDesc) 1.2540 +{ 1.2541 + JS::Rooted<JSObject*> dot_prototype(cx, aDot_prototype); 1.2542 + NS_ASSERTION(ci_data || 1.2543 + (name_struct && 1.2544 + name_struct->mType == nsGlobalNameStruct::eTypeClassProto), 1.2545 + "Wrong type or missing ci_data!"); 1.2546 + 1.2547 + nsRefPtr<nsDOMConstructor> constructor; 1.2548 + nsresult rv = nsDOMConstructor::Create(name, ci_data, name_struct, aWin, 1.2549 + getter_AddRefs(constructor)); 1.2550 + NS_ENSURE_SUCCESS(rv, rv); 1.2551 + 1.2552 + JS::Rooted<JS::Value> v(cx); 1.2553 + 1.2554 + js::AssertSameCompartment(cx, obj); 1.2555 + rv = WrapNative(cx, constructor, &NS_GET_IID(nsIDOMDOMConstructor), 1.2556 + false, &v); 1.2557 + NS_ENSURE_SUCCESS(rv, rv); 1.2558 + 1.2559 + FillPropertyDescriptor(ctorDesc, obj, 0, v); 1.2560 + // And make sure we wrap the value into the right compartment. Note that we 1.2561 + // do this with ctorDesc.value(), not with v, because we need v to be in the 1.2562 + // right compartment (that of the reflector of |constructor|) below. 1.2563 + if (!JS_WrapValue(cx, ctorDesc.value())) { 1.2564 + return NS_ERROR_UNEXPECTED; 1.2565 + } 1.2566 + 1.2567 + JS::Rooted<JSObject*> class_obj(cx, &v.toObject()); 1.2568 + 1.2569 + const nsIID *primary_iid = &NS_GET_IID(nsISupports); 1.2570 + 1.2571 + if (!ci_data) { 1.2572 + primary_iid = &name_struct->mIID; 1.2573 + } 1.2574 + else if (ci_data->mProtoChainInterface) { 1.2575 + primary_iid = ci_data->mProtoChainInterface; 1.2576 + } 1.2577 + 1.2578 + nsCOMPtr<nsIInterfaceInfo> if_info; 1.2579 + nsCOMPtr<nsIInterfaceInfo> parent; 1.2580 + const char *class_parent_name = nullptr; 1.2581 + 1.2582 + if (!primary_iid->Equals(NS_GET_IID(nsISupports))) { 1.2583 + JSAutoCompartment ac(cx, class_obj); 1.2584 + 1.2585 + rv = DefineInterfaceConstants(cx, class_obj, primary_iid); 1.2586 + NS_ENSURE_SUCCESS(rv, rv); 1.2587 + 1.2588 + nsCOMPtr<nsIInterfaceInfoManager> 1.2589 + iim(do_GetService(NS_INTERFACEINFOMANAGER_SERVICE_CONTRACTID)); 1.2590 + NS_ENSURE_TRUE(iim, NS_ERROR_NOT_AVAILABLE); 1.2591 + 1.2592 + iim->GetInfoForIID(primary_iid, getter_AddRefs(if_info)); 1.2593 + NS_ENSURE_TRUE(if_info, NS_ERROR_UNEXPECTED); 1.2594 + 1.2595 + const nsIID *iid = nullptr; 1.2596 + 1.2597 + if (ci_data && !ci_data->mHasClassInterface) { 1.2598 + if_info->GetIIDShared(&iid); 1.2599 + } else { 1.2600 + if_info->GetParent(getter_AddRefs(parent)); 1.2601 + NS_ENSURE_TRUE(parent, NS_ERROR_UNEXPECTED); 1.2602 + 1.2603 + parent->GetIIDShared(&iid); 1.2604 + } 1.2605 + 1.2606 + if (iid) { 1.2607 + if (!iid->Equals(NS_GET_IID(nsISupports))) { 1.2608 + if (ci_data && !ci_data->mHasClassInterface) { 1.2609 + // If the class doesn't have a class interface the primary 1.2610 + // interface is the interface that should be 1.2611 + // constructor.prototype.__proto__. 1.2612 + 1.2613 + if_info->GetNameShared(&class_parent_name); 1.2614 + } else { 1.2615 + // If the class does have a class interface (or there's no 1.2616 + // real class for this name) then the parent of the 1.2617 + // primary interface is what we want on 1.2618 + // constructor.prototype.__proto__. 1.2619 + 1.2620 + NS_ASSERTION(parent, "Whoa, this is bad, null parent here!"); 1.2621 + 1.2622 + parent->GetNameShared(&class_parent_name); 1.2623 + } 1.2624 + } 1.2625 + } 1.2626 + } 1.2627 + 1.2628 + { 1.2629 + JS::Rooted<JSObject*> winobj(cx, aWin->FastGetGlobalJSObject()); 1.2630 + 1.2631 + JS::Rooted<JSObject*> proto(cx); 1.2632 + 1.2633 + if (class_parent_name) { 1.2634 + JSAutoCompartment ac(cx, winobj); 1.2635 + 1.2636 + JS::Rooted<JS::Value> val(cx); 1.2637 + if (!JS_LookupProperty(cx, winobj, CutPrefix(class_parent_name), &val)) { 1.2638 + return NS_ERROR_UNEXPECTED; 1.2639 + } 1.2640 + 1.2641 + if (val.isObject()) { 1.2642 + JS::Rooted<JSObject*> obj(cx, &val.toObject()); 1.2643 + if (!JS_LookupProperty(cx, obj, "prototype", &val)) { 1.2644 + return NS_ERROR_UNEXPECTED; 1.2645 + } 1.2646 + 1.2647 + if (val.isObject()) { 1.2648 + proto = &val.toObject(); 1.2649 + } 1.2650 + } 1.2651 + } 1.2652 + 1.2653 + if (dot_prototype) { 1.2654 + JSAutoCompartment ac(cx, dot_prototype); 1.2655 + JS::Rooted<JSObject*> xpc_proto_proto(cx); 1.2656 + if (!::JS_GetPrototype(cx, dot_prototype, &xpc_proto_proto)) { 1.2657 + return NS_ERROR_UNEXPECTED; 1.2658 + } 1.2659 + 1.2660 + if (proto && 1.2661 + (!xpc_proto_proto || 1.2662 + JS_GetClass(xpc_proto_proto) == sObjectClass)) { 1.2663 + if (!JS_WrapObject(cx, &proto) || 1.2664 + !JS_SetPrototype(cx, dot_prototype, proto)) { 1.2665 + return NS_ERROR_UNEXPECTED; 1.2666 + } 1.2667 + } 1.2668 + } else { 1.2669 + JSAutoCompartment ac(cx, winobj); 1.2670 + if (!proto) { 1.2671 + proto = JS_GetObjectPrototype(cx, winobj); 1.2672 + } 1.2673 + dot_prototype = ::JS_NewObjectWithUniqueType(cx, 1.2674 + &sDOMConstructorProtoClass, 1.2675 + proto, 1.2676 + winobj); 1.2677 + NS_ENSURE_TRUE(dot_prototype, NS_ERROR_OUT_OF_MEMORY); 1.2678 + } 1.2679 + } 1.2680 + 1.2681 + v = OBJECT_TO_JSVAL(dot_prototype); 1.2682 + 1.2683 + JSAutoCompartment ac(cx, class_obj); 1.2684 + 1.2685 + // Per ECMA, the prototype property is {DontEnum, DontDelete, ReadOnly} 1.2686 + if (!JS_WrapValue(cx, &v) || 1.2687 + !JS_DefineProperty(cx, class_obj, "prototype", v, 1.2688 + JSPROP_PERMANENT | JSPROP_READONLY, 1.2689 + JS_PropertyStub, JS_StrictPropertyStub)) { 1.2690 + return NS_ERROR_UNEXPECTED; 1.2691 + } 1.2692 + 1.2693 + return NS_OK; 1.2694 +} 1.2695 + 1.2696 +static bool 1.2697 +OldBindingConstructorEnabled(const nsGlobalNameStruct *aStruct, 1.2698 + nsGlobalWindow *aWin, JSContext *cx) 1.2699 +{ 1.2700 + MOZ_ASSERT(aStruct->mType == nsGlobalNameStruct::eTypeProperty || 1.2701 + aStruct->mType == nsGlobalNameStruct::eTypeClassConstructor || 1.2702 + aStruct->mType == nsGlobalNameStruct::eTypeExternalClassInfo); 1.2703 + 1.2704 + // Don't expose chrome only constructors to content windows. 1.2705 + if (aStruct->mChromeOnly) { 1.2706 + bool expose; 1.2707 + if (aStruct->mAllowXBL) { 1.2708 + expose = IsChromeOrXBL(cx, nullptr); 1.2709 + } else { 1.2710 + expose = nsContentUtils::IsSystemPrincipal(aWin->GetPrincipal()); 1.2711 + } 1.2712 + 1.2713 + if (!expose) { 1.2714 + return false; 1.2715 + } 1.2716 + } 1.2717 + 1.2718 + // Don't expose CSSSupportsRule unless @supports processing is enabled. 1.2719 + if (aStruct->mDOMClassInfoID == eDOMClassInfo_CSSSupportsRule_id) { 1.2720 + if (!CSSSupportsRule::PrefEnabled()) { 1.2721 + return false; 1.2722 + } 1.2723 + } 1.2724 + 1.2725 + // Don't expose CSSFontFeatureValuesRule unless the pref is enabled 1.2726 + if (aStruct->mDOMClassInfoID == eDOMClassInfo_CSSFontFeatureValuesRule_id) { 1.2727 + return nsCSSFontFeatureValuesRule::PrefEnabled(); 1.2728 + } 1.2729 + 1.2730 + return true; 1.2731 +} 1.2732 + 1.2733 +bool 1.2734 +nsWindowSH::NameStructEnabled(JSContext* aCx, nsGlobalWindow *aWin, 1.2735 + const nsAString& aName, 1.2736 + const nsGlobalNameStruct& aNameStruct) 1.2737 +{ 1.2738 + const nsGlobalNameStruct* nameStruct = &aNameStruct; 1.2739 + if (nameStruct->mType == nsGlobalNameStruct::eTypeExternalClassInfoCreator) { 1.2740 + nsresult rv = GetExternalClassInfo(GetNameSpaceManager(), aName, nameStruct, 1.2741 + &nameStruct); 1.2742 + if (NS_FAILED(rv) || !nameStruct) { 1.2743 + return false; 1.2744 + } 1.2745 + } 1.2746 + 1.2747 + return (nameStruct->mType != nsGlobalNameStruct::eTypeProperty && 1.2748 + nameStruct->mType != nsGlobalNameStruct::eTypeClassConstructor && 1.2749 + nameStruct->mType != nsGlobalNameStruct::eTypeExternalClassInfo) || 1.2750 + OldBindingConstructorEnabled(nameStruct, aWin, aCx); 1.2751 +} 1.2752 + 1.2753 +#ifdef RELEASE_BUILD 1.2754 +#define USE_CONTROLLERS_SHIM 1.2755 +#endif 1.2756 + 1.2757 +#ifdef USE_CONTROLLERS_SHIM 1.2758 +static const JSClass ControllersShimClass = { 1.2759 + "XULControllers", 0, 1.2760 + JS_PropertyStub, JS_DeletePropertyStub, JS_PropertyStub, JS_StrictPropertyStub, 1.2761 + JS_EnumerateStub, JS_ResolveStub, JS_ConvertStub, nullptr 1.2762 +}; 1.2763 +#endif 1.2764 + 1.2765 +// static 1.2766 +nsresult 1.2767 +nsWindowSH::GlobalResolve(nsGlobalWindow *aWin, JSContext *cx, 1.2768 + JS::Handle<JSObject*> obj, JS::Handle<jsid> id, 1.2769 + JS::MutableHandle<JSPropertyDescriptor> desc) 1.2770 +{ 1.2771 +#ifdef USE_CONTROLLERS_SHIM 1.2772 + if (id == XPCJSRuntime::Get()->GetStringID(XPCJSRuntime::IDX_CONTROLLERS) && 1.2773 + !xpc::IsXrayWrapper(obj) && 1.2774 + !nsContentUtils::IsSystemPrincipal(aWin->GetPrincipal())) 1.2775 + { 1.2776 + if (aWin->GetDoc()) { 1.2777 + aWin->GetDoc()->WarnOnceAbout(nsIDocument::eWindow_Controllers); 1.2778 + } 1.2779 + JS::Rooted<JSObject*> shim(cx, JS_NewObject(cx, &ControllersShimClass, JS::NullPtr(), obj)); 1.2780 + if (NS_WARN_IF(!shim)) { 1.2781 + return NS_ERROR_OUT_OF_MEMORY; 1.2782 + } 1.2783 + FillPropertyDescriptor(desc, obj, JS::ObjectValue(*shim), /* readOnly = */ false); 1.2784 + return NS_OK; 1.2785 + } 1.2786 +#endif 1.2787 + 1.2788 + nsScriptNameSpaceManager *nameSpaceManager = GetNameSpaceManager(); 1.2789 + NS_ENSURE_TRUE(nameSpaceManager, NS_ERROR_NOT_INITIALIZED); 1.2790 + 1.2791 + nsDependentJSString name(id); 1.2792 + 1.2793 + const char16_t *class_name = nullptr; 1.2794 + const nsGlobalNameStruct *name_struct = 1.2795 + nameSpaceManager->LookupName(name, &class_name); 1.2796 + 1.2797 + if (!name_struct) { 1.2798 + return NS_OK; 1.2799 + } 1.2800 + 1.2801 + // The class_name had better match our name 1.2802 + MOZ_ASSERT(name.Equals(class_name)); 1.2803 + 1.2804 + NS_ENSURE_TRUE(class_name, NS_ERROR_UNEXPECTED); 1.2805 + 1.2806 + nsresult rv = NS_OK; 1.2807 + 1.2808 + if (name_struct->mType == nsGlobalNameStruct::eTypeExternalClassInfoCreator) { 1.2809 + rv = GetExternalClassInfo(nameSpaceManager, name, name_struct, 1.2810 + &name_struct); 1.2811 + if (NS_FAILED(rv) || !name_struct) { 1.2812 + return rv; 1.2813 + } 1.2814 + } 1.2815 + 1.2816 + if (name_struct->mType == nsGlobalNameStruct::eTypeNewDOMBinding || 1.2817 + name_struct->mType == nsGlobalNameStruct::eTypeInterface || 1.2818 + name_struct->mType == nsGlobalNameStruct::eTypeClassProto || 1.2819 + name_struct->mType == nsGlobalNameStruct::eTypeClassConstructor) { 1.2820 + // Lookup new DOM bindings. 1.2821 + DefineInterface getOrCreateInterfaceObject = 1.2822 + name_struct->mDefineDOMInterface; 1.2823 + if (getOrCreateInterfaceObject) { 1.2824 + if (name_struct->mType == nsGlobalNameStruct::eTypeClassConstructor && 1.2825 + !OldBindingConstructorEnabled(name_struct, aWin, cx)) { 1.2826 + return NS_OK; 1.2827 + } 1.2828 + 1.2829 + ConstructorEnabled* checkEnabledForScope = name_struct->mConstructorEnabled; 1.2830 + // We do the enabled check on the current compartment of cx, but for the 1.2831 + // actual object we pass in the underlying object in the Xray case. That 1.2832 + // way the callee can decide whether to allow access based on the caller 1.2833 + // or the window being touched. 1.2834 + JS::Rooted<JSObject*> global(cx, 1.2835 + js::CheckedUnwrap(obj, /* stopAtOuter = */ false)); 1.2836 + if (!global) { 1.2837 + return NS_ERROR_DOM_SECURITY_ERR; 1.2838 + } 1.2839 + if (checkEnabledForScope && !checkEnabledForScope(cx, global)) { 1.2840 + return NS_OK; 1.2841 + } 1.2842 + 1.2843 + // The DOM constructor resolve machinery interacts with Xrays in tricky 1.2844 + // ways, and there are some asymmetries that are important to understand. 1.2845 + // 1.2846 + // In the regular (non-Xray) case, we only want to resolve constructors 1.2847 + // once (so that if they're deleted, they don't reappear). We do this by 1.2848 + // stashing the constructor in a slot on the global, such that we can see 1.2849 + // during resolve whether we've created it already. This is rather 1.2850 + // memory-intensive, so we don't try to maintain these semantics when 1.2851 + // manipulating a global over Xray (so the properties just re-resolve if 1.2852 + // they've been deleted). 1.2853 + // 1.2854 + // Unfortunately, there's a bit of an impedance-mismatch between the Xray 1.2855 + // and non-Xray machinery. The Xray machinery wants an API that returns a 1.2856 + // JSPropertyDescriptor, so that the resolve hook doesn't have to get 1.2857 + // snared up with trying to define a property on the Xray holder. At the 1.2858 + // same time, the DefineInterface callbacks are set up to define things 1.2859 + // directly on the global. And re-jiggering them to return property 1.2860 + // descriptors is tricky, because some DefineInterface callbacks define 1.2861 + // multiple things (like the Image() alias for HTMLImageElement). 1.2862 + // 1.2863 + // So the setup is as-follows: 1.2864 + // 1.2865 + // * The resolve function takes a JSPropertyDescriptor, but in the 1.2866 + // non-Xray case, callees may define things directly on the global, and 1.2867 + // set the value on the property descriptor to |undefined| to indicate 1.2868 + // that there's nothing more for the caller to do. We assert against 1.2869 + // this behavior in the Xray case. 1.2870 + // 1.2871 + // * We make sure that we do a non-Xray resolve first, so that all the 1.2872 + // slots are set up. In the Xray case, this means unwrapping and doing 1.2873 + // a non-Xray resolve before doing the Xray resolve. 1.2874 + // 1.2875 + // This all could use some grand refactoring, but for now we just limp 1.2876 + // along. 1.2877 + if (xpc::WrapperFactory::IsXrayWrapper(obj)) { 1.2878 + JS::Rooted<JSObject*> interfaceObject(cx); 1.2879 + { 1.2880 + JSAutoCompartment ac(cx, global); 1.2881 + interfaceObject = getOrCreateInterfaceObject(cx, global, id, false); 1.2882 + } 1.2883 + if (NS_WARN_IF(!interfaceObject)) { 1.2884 + return NS_ERROR_FAILURE; 1.2885 + } 1.2886 + if (!JS_WrapObject(cx, &interfaceObject)) { 1.2887 + return NS_ERROR_FAILURE; 1.2888 + } 1.2889 + 1.2890 + FillPropertyDescriptor(desc, obj, 0, JS::ObjectValue(*interfaceObject)); 1.2891 + } else { 1.2892 + JS::Rooted<JSObject*> interfaceObject(cx, 1.2893 + getOrCreateInterfaceObject(cx, obj, id, true)); 1.2894 + if (NS_WARN_IF(!interfaceObject)) { 1.2895 + return NS_ERROR_FAILURE; 1.2896 + } 1.2897 + // We've already defined the property. We indicate this to the caller 1.2898 + // by filling a property descriptor with JS::UndefinedValue() as the 1.2899 + // value. We still have to fill in a property descriptor, though, so 1.2900 + // that the caller knows the property is in fact on this object. It 1.2901 + // doesn't matter what we pass for the "readonly" argument here. 1.2902 + FillPropertyDescriptor(desc, obj, JS::UndefinedValue(), false); 1.2903 + } 1.2904 + 1.2905 + return NS_OK; 1.2906 + } 1.2907 + } 1.2908 + 1.2909 + if (name_struct->mType == nsGlobalNameStruct::eTypeInterface) { 1.2910 + // We're resolving a name of a DOM interface for which there is no 1.2911 + // direct DOM class, create a constructor object... 1.2912 + nsRefPtr<nsDOMConstructor> constructor; 1.2913 + rv = nsDOMConstructor::Create(class_name, 1.2914 + nullptr, 1.2915 + name_struct, 1.2916 + static_cast<nsPIDOMWindow*>(aWin), 1.2917 + getter_AddRefs(constructor)); 1.2918 + NS_ENSURE_SUCCESS(rv, rv); 1.2919 + 1.2920 + JS::Rooted<JS::Value> v(cx); 1.2921 + js::AssertSameCompartment(cx, obj); 1.2922 + rv = WrapNative(cx, constructor, &NS_GET_IID(nsIDOMDOMConstructor), 1.2923 + false, &v); 1.2924 + NS_ENSURE_SUCCESS(rv, rv); 1.2925 + 1.2926 + JS::Rooted<JSObject*> class_obj(cx, &v.toObject()); 1.2927 + 1.2928 + // ... and define the constants from the DOM interface on that 1.2929 + // constructor object. 1.2930 + 1.2931 + { 1.2932 + JSAutoCompartment ac(cx, class_obj); 1.2933 + rv = DefineInterfaceConstants(cx, class_obj, &name_struct->mIID); 1.2934 + NS_ENSURE_SUCCESS(rv, rv); 1.2935 + } 1.2936 + 1.2937 + if (!JS_WrapValue(cx, &v)) { 1.2938 + return NS_ERROR_UNEXPECTED; 1.2939 + } 1.2940 + 1.2941 + FillPropertyDescriptor(desc, obj, 0, v); 1.2942 + return NS_OK; 1.2943 + } 1.2944 + 1.2945 + if (name_struct->mType == nsGlobalNameStruct::eTypeClassConstructor || 1.2946 + name_struct->mType == nsGlobalNameStruct::eTypeExternalClassInfo) { 1.2947 + if (!OldBindingConstructorEnabled(name_struct, aWin, cx)) { 1.2948 + return NS_OK; 1.2949 + } 1.2950 + 1.2951 + // Create the XPConnect prototype for our classinfo, PostCreateProto will 1.2952 + // set up the prototype chain. This will go ahead and define things on the 1.2953 + // actual window's global. 1.2954 + nsCOMPtr<nsIXPConnectJSObjectHolder> proto_holder; 1.2955 + rv = GetXPCProto(sXPConnect, cx, aWin, name_struct, 1.2956 + getter_AddRefs(proto_holder)); 1.2957 + NS_ENSURE_SUCCESS(rv, rv); 1.2958 + bool isXray = xpc::WrapperFactory::IsXrayWrapper(obj); 1.2959 + MOZ_ASSERT_IF(obj != aWin->GetGlobalJSObject(), isXray); 1.2960 + if (!isXray) { 1.2961 + // GetXPCProto already defined the property for us 1.2962 + FillPropertyDescriptor(desc, obj, JS::UndefinedValue(), false); 1.2963 + return NS_OK; 1.2964 + } 1.2965 + 1.2966 + // This is the Xray case. Look up the constructor object for this 1.2967 + // prototype. 1.2968 + JS::Rooted<JSObject*> dot_prototype(cx, proto_holder->GetJSObject()); 1.2969 + NS_ENSURE_STATE(dot_prototype); 1.2970 + 1.2971 + const nsDOMClassInfoData *ci_data; 1.2972 + if (name_struct->mType == nsGlobalNameStruct::eTypeClassConstructor) { 1.2973 + ci_data = &sClassInfoData[name_struct->mDOMClassInfoID]; 1.2974 + } else { 1.2975 + ci_data = name_struct->mData; 1.2976 + } 1.2977 + 1.2978 + return ResolvePrototype(sXPConnect, aWin, cx, obj, class_name, ci_data, 1.2979 + name_struct, nameSpaceManager, dot_prototype, 1.2980 + desc); 1.2981 + } 1.2982 + 1.2983 + if (name_struct->mType == nsGlobalNameStruct::eTypeClassProto) { 1.2984 + // We don't have a XPConnect prototype object, let ResolvePrototype create 1.2985 + // one. 1.2986 + return ResolvePrototype(sXPConnect, aWin, cx, obj, class_name, nullptr, 1.2987 + name_struct, nameSpaceManager, nullptr, desc); 1.2988 + } 1.2989 + 1.2990 + if (name_struct->mType == nsGlobalNameStruct::eTypeExternalConstructorAlias) { 1.2991 + const nsGlobalNameStruct *alias_struct = 1.2992 + nameSpaceManager->GetConstructorProto(name_struct); 1.2993 + NS_ENSURE_TRUE(alias_struct, NS_ERROR_UNEXPECTED); 1.2994 + 1.2995 + // We need to use the XPConnect prototype for the DOM class that this 1.2996 + // constructor is an alias for (for example for Image we need the prototype 1.2997 + // for HTMLImageElement). 1.2998 + nsCOMPtr<nsIXPConnectJSObjectHolder> proto_holder; 1.2999 + rv = GetXPCProto(sXPConnect, cx, aWin, alias_struct, 1.3000 + getter_AddRefs(proto_holder)); 1.3001 + NS_ENSURE_SUCCESS(rv, rv); 1.3002 + 1.3003 + JSObject* dot_prototype = proto_holder->GetJSObject(); 1.3004 + NS_ENSURE_STATE(dot_prototype); 1.3005 + 1.3006 + const nsDOMClassInfoData *ci_data; 1.3007 + if (alias_struct->mType == nsGlobalNameStruct::eTypeClassConstructor) { 1.3008 + ci_data = &sClassInfoData[alias_struct->mDOMClassInfoID]; 1.3009 + } else if (alias_struct->mType == nsGlobalNameStruct::eTypeExternalClassInfo) { 1.3010 + ci_data = alias_struct->mData; 1.3011 + } else { 1.3012 + return NS_ERROR_UNEXPECTED; 1.3013 + } 1.3014 + 1.3015 + return ResolvePrototype(sXPConnect, aWin, cx, obj, class_name, ci_data, 1.3016 + name_struct, nameSpaceManager, nullptr, desc); 1.3017 + } 1.3018 + 1.3019 + if (name_struct->mType == nsGlobalNameStruct::eTypeExternalConstructor) { 1.3020 + nsRefPtr<nsDOMConstructor> constructor; 1.3021 + rv = nsDOMConstructor::Create(class_name, nullptr, name_struct, 1.3022 + static_cast<nsPIDOMWindow*>(aWin), 1.3023 + getter_AddRefs(constructor)); 1.3024 + NS_ENSURE_SUCCESS(rv, rv); 1.3025 + 1.3026 + JS::Rooted<JS::Value> val(cx); 1.3027 + js::AssertSameCompartment(cx, obj); 1.3028 + rv = WrapNative(cx, constructor, &NS_GET_IID(nsIDOMDOMConstructor), 1.3029 + true, &val); 1.3030 + NS_ENSURE_SUCCESS(rv, rv); 1.3031 + 1.3032 + NS_ASSERTION(val.isObject(), "Why didn't we get a JSObject?"); 1.3033 + 1.3034 + FillPropertyDescriptor(desc, obj, 0, val); 1.3035 + 1.3036 + return NS_OK; 1.3037 + } 1.3038 + 1.3039 + if (name_struct->mType == nsGlobalNameStruct::eTypeProperty) { 1.3040 + if (!OldBindingConstructorEnabled(name_struct, aWin, cx)) 1.3041 + return NS_OK; 1.3042 + 1.3043 + // Before defining a global property, check for a named subframe of the 1.3044 + // same name. If it exists, we don't want to shadow it. 1.3045 + nsCOMPtr<nsIDOMWindow> childWin = aWin->GetChildWindow(name); 1.3046 + if (childWin) 1.3047 + return NS_OK; 1.3048 + 1.3049 + nsCOMPtr<nsISupports> native(do_CreateInstance(name_struct->mCID, &rv)); 1.3050 + NS_ENSURE_SUCCESS(rv, rv); 1.3051 + 1.3052 + JS::Rooted<JS::Value> prop_val(cx, JS::UndefinedValue()); // Property value. 1.3053 + 1.3054 + nsCOMPtr<nsIDOMGlobalPropertyInitializer> gpi(do_QueryInterface(native)); 1.3055 + if (gpi) { 1.3056 + rv = gpi->Init(aWin, &prop_val); 1.3057 + NS_ENSURE_SUCCESS(rv, rv); 1.3058 + } 1.3059 + 1.3060 + if (JSVAL_IS_PRIMITIVE(prop_val) && !JSVAL_IS_NULL(prop_val)) { 1.3061 + if (aWin->IsOuterWindow()) { 1.3062 + nsGlobalWindow *inner = aWin->GetCurrentInnerWindowInternal(); 1.3063 + NS_ENSURE_TRUE(inner, NS_ERROR_UNEXPECTED); 1.3064 + } 1.3065 + 1.3066 + rv = WrapNative(cx, native, true, &prop_val); 1.3067 + } 1.3068 + 1.3069 + NS_ENSURE_SUCCESS(rv, rv); 1.3070 + 1.3071 + if (!JS_WrapValue(cx, &prop_val)) { 1.3072 + return NS_ERROR_UNEXPECTED; 1.3073 + } 1.3074 + 1.3075 + FillPropertyDescriptor(desc, obj, prop_val, false); 1.3076 + 1.3077 + return NS_OK; 1.3078 + } 1.3079 + 1.3080 + return rv; 1.3081 +} 1.3082 + 1.3083 +template<class Interface> 1.3084 +static nsresult 1.3085 +LocationSetterGuts(JSContext *cx, JSObject *obj, JS::MutableHandle<JS::Value> vp) 1.3086 +{ 1.3087 + // This function duplicates some of the logic in XPC_WN_HelperSetProperty 1.3088 + obj = js::CheckedUnwrap(obj, /* stopAtOuter = */ false); 1.3089 + if (!IS_WN_REFLECTOR(obj)) 1.3090 + return NS_ERROR_XPC_BAD_CONVERT_JS; 1.3091 + XPCWrappedNative *wrapper = XPCWrappedNative::Get(obj); 1.3092 + 1.3093 + // The error checks duplicate code in THROW_AND_RETURN_IF_BAD_WRAPPER 1.3094 + NS_ENSURE_TRUE(!wrapper || wrapper->IsValid(), NS_ERROR_XPC_HAS_BEEN_SHUTDOWN); 1.3095 + 1.3096 + nsCOMPtr<Interface> xpcomObj = do_QueryWrappedNative(wrapper, obj); 1.3097 + NS_ENSURE_TRUE(xpcomObj, NS_ERROR_UNEXPECTED); 1.3098 + 1.3099 + nsCOMPtr<nsIDOMLocation> location; 1.3100 + nsresult rv = xpcomObj->GetLocation(getter_AddRefs(location)); 1.3101 + NS_ENSURE_SUCCESS(rv, rv); 1.3102 + 1.3103 + // Grab the value we're being set to before we stomp on |vp| 1.3104 + JS::Rooted<JSString*> val(cx, JS::ToString(cx, vp)); 1.3105 + NS_ENSURE_TRUE(val, NS_ERROR_UNEXPECTED); 1.3106 + 1.3107 + // Make sure |val| stays alive below 1.3108 + JS::Anchor<JSString *> anchor(val); 1.3109 + 1.3110 + // We have to wrap location into vp before null-checking location, to 1.3111 + // avoid assigning the wrong thing into the slot. 1.3112 + rv = WrapNative(cx, location, &NS_GET_IID(nsIDOMLocation), true, vp); 1.3113 + NS_ENSURE_SUCCESS(rv, rv); 1.3114 + 1.3115 + if (!location) { 1.3116 + // Make this a no-op 1.3117 + return NS_OK; 1.3118 + } 1.3119 + 1.3120 + nsDependentJSString depStr; 1.3121 + NS_ENSURE_TRUE(depStr.init(cx, val), NS_ERROR_UNEXPECTED); 1.3122 + 1.3123 + return location->SetHref(depStr); 1.3124 +} 1.3125 + 1.3126 +template<class Interface> 1.3127 +static bool 1.3128 +LocationSetter(JSContext *cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, bool strict, 1.3129 + JS::MutableHandle<JS::Value> vp) 1.3130 +{ 1.3131 + nsresult rv = LocationSetterGuts<Interface>(cx, obj, vp); 1.3132 + if (NS_FAILED(rv)) { 1.3133 + xpc::Throw(cx, rv); 1.3134 + return false; 1.3135 + } 1.3136 + 1.3137 + return true; 1.3138 +} 1.3139 + 1.3140 +static bool 1.3141 +LocationSetterUnwrapper(JSContext *cx, JS::Handle<JSObject*> obj_, JS::Handle<jsid> id, 1.3142 + bool strict, JS::MutableHandle<JS::Value> vp) 1.3143 +{ 1.3144 + JS::Rooted<JSObject*> obj(cx, obj_); 1.3145 + 1.3146 + JSObject *wrapped = XPCWrapper::UnsafeUnwrapSecurityWrapper(obj); 1.3147 + if (wrapped) { 1.3148 + obj = wrapped; 1.3149 + } 1.3150 + 1.3151 + return LocationSetter<nsIDOMWindow>(cx, obj, id, strict, vp); 1.3152 +} 1.3153 + 1.3154 +NS_IMETHODIMP 1.3155 +nsWindowSH::NewResolve(nsIXPConnectWrappedNative *wrapper, JSContext *cx, 1.3156 + JSObject *obj_, jsid id_, JSObject **objp, 1.3157 + bool *_retval) 1.3158 +{ 1.3159 + JS::Rooted<JSObject*> obj(cx, obj_); 1.3160 + JS::Rooted<jsid> id(cx, id_); 1.3161 + 1.3162 + if (!JSID_IS_STRING(id)) { 1.3163 + return NS_OK; 1.3164 + } 1.3165 + 1.3166 + MOZ_ASSERT(*_retval == true); // guaranteed by XPC_WN_Helper_NewResolve 1.3167 + 1.3168 + nsGlobalWindow *win = nsGlobalWindow::FromWrapper(wrapper); 1.3169 + MOZ_ASSERT(win->IsInnerWindow()); 1.3170 + 1.3171 + // Don't resolve standard classes on XrayWrappers, only resolve them if we're 1.3172 + // resolving on the real global object. 1.3173 + bool isXray = xpc::WrapperFactory::IsXrayWrapper(obj); 1.3174 + if (!isXray) { 1.3175 + bool did_resolve = false; 1.3176 + if (!JS_ResolveStandardClass(cx, obj, id, &did_resolve)) { 1.3177 + // Return NS_OK to avoid stomping over the exception that was passed 1.3178 + // down from the ResolveStandardClass call. 1.3179 + *_retval = false; 1.3180 + return NS_OK; 1.3181 + } 1.3182 + 1.3183 + if (did_resolve) { 1.3184 + *objp = obj; 1.3185 + return NS_OK; 1.3186 + } 1.3187 + } 1.3188 + 1.3189 + // WebIDL quickstubs handle location for us, but Xrays don't see those. So if 1.3190 + // we're an Xray, we have to resolve stuff here to make "window.location = 1.3191 + // someString" work. 1.3192 + if (sLocation_id == id && isXray) { 1.3193 + nsCOMPtr<nsIDOMLocation> location; 1.3194 + nsresult rv = win->GetLocation(getter_AddRefs(location)); 1.3195 + NS_ENSURE_SUCCESS(rv, rv); 1.3196 + 1.3197 + JS::Rooted<JS::Value> v(cx); 1.3198 + rv = WrapNative(cx, location, &NS_GET_IID(nsIDOMLocation), true, &v); 1.3199 + NS_ENSURE_SUCCESS(rv, rv); 1.3200 + 1.3201 + bool ok = JS_DefinePropertyById(cx, obj, id, v, JS_PropertyStub, 1.3202 + LocationSetterUnwrapper, 1.3203 + JSPROP_PERMANENT | JSPROP_ENUMERATE); 1.3204 + 1.3205 + if (!ok) { 1.3206 + return NS_ERROR_FAILURE; 1.3207 + } 1.3208 + 1.3209 + *objp = obj; 1.3210 + 1.3211 + return NS_OK; 1.3212 + } 1.3213 + 1.3214 + // WebIDL quickstubs handle "top" for us, but Xrays don't see those. So if 1.3215 + // we're an Xray and we want "top" to be JSPROP_PERMANENT, we need to resolve 1.3216 + // it here. 1.3217 + if (sTop_id == id && isXray) { 1.3218 + nsCOMPtr<nsIDOMWindow> top; 1.3219 + nsresult rv = win->GetScriptableTop(getter_AddRefs(top)); 1.3220 + NS_ENSURE_SUCCESS(rv, rv); 1.3221 + 1.3222 + JS::Rooted<JS::Value> v(cx); 1.3223 + js::AssertSameCompartment(cx, obj); 1.3224 + rv = WrapNative(cx, top, &NS_GET_IID(nsIDOMWindow), true, &v); 1.3225 + NS_ENSURE_SUCCESS(rv, rv); 1.3226 + 1.3227 + // Hold on to the top window object as a global property so we 1.3228 + // don't need to worry about losing expando properties etc. 1.3229 + if (!JS_DefinePropertyById(cx, obj, id, v, JS_PropertyStub, JS_StrictPropertyStub, 1.3230 + JSPROP_READONLY | JSPROP_PERMANENT | 1.3231 + JSPROP_ENUMERATE)) { 1.3232 + return NS_ERROR_FAILURE; 1.3233 + } 1.3234 + *objp = obj; 1.3235 + 1.3236 + return NS_OK; 1.3237 + } 1.3238 + 1.3239 + if (isXray) { 1.3240 + // We promise to resolve on the underlying object first. That will create 1.3241 + // the actual interface object if needed and store it in a data structure 1.3242 + // hanging off the global. Then our second call will wrap up in an Xray as 1.3243 + // needed. We do things this way because we use the existence of the 1.3244 + // object in that data structure as a flag that indicates that its name 1.3245 + // (and any relevant named constructor names) has been resolved before; 1.3246 + // this allows us to avoid re-resolving in the Xray case if the property is 1.3247 + // deleted by page script. 1.3248 + JS::Rooted<JSObject*> global(cx, 1.3249 + js::UncheckedUnwrap(obj, /* stopAtOuter = */ false)); 1.3250 + JSAutoCompartment ac(cx, global); 1.3251 + JS::Rooted<JSPropertyDescriptor> desc(cx); 1.3252 + if (!win->DoNewResolve(cx, global, id, &desc)) { 1.3253 + return NS_ERROR_FAILURE; 1.3254 + } 1.3255 + // If we have an object here, that means we resolved the property. 1.3256 + // But if the value is undefined, that means that GlobalResolve 1.3257 + // also already defined it, so we don't have to. 1.3258 + if (desc.object() && !desc.value().isUndefined() && 1.3259 + !JS_DefinePropertyById(cx, global, id, desc.value(), 1.3260 + desc.getter(), desc.setter(), 1.3261 + desc.attributes())) { 1.3262 + return NS_ERROR_FAILURE; 1.3263 + } 1.3264 + } 1.3265 + 1.3266 + JS::Rooted<JSPropertyDescriptor> desc(cx); 1.3267 + if (!win->DoNewResolve(cx, obj, id, &desc)) { 1.3268 + return NS_ERROR_FAILURE; 1.3269 + } 1.3270 + if (desc.object()) { 1.3271 + // If we have an object here, that means we resolved the property. 1.3272 + // But if the value is undefined, that means that GlobalResolve 1.3273 + // also already defined it, so we don't have to. Note that in the 1.3274 + // Xray case we should never see undefined. 1.3275 + MOZ_ASSERT_IF(isXray, !desc.value().isUndefined()); 1.3276 + if (!desc.value().isUndefined() && 1.3277 + !JS_DefinePropertyById(cx, obj, id, desc.value(), 1.3278 + desc.getter(), desc.setter(), 1.3279 + desc.attributes())) { 1.3280 + return NS_ERROR_FAILURE; 1.3281 + } 1.3282 + 1.3283 + *objp = obj; 1.3284 + return NS_OK; 1.3285 + } 1.3286 + 1.3287 + if (sDocument_id == id) { 1.3288 + nsCOMPtr<nsIDocument> document = win->GetDoc(); 1.3289 + JS::Rooted<JS::Value> v(cx); 1.3290 + nsresult rv = WrapNative(cx, document, document, 1.3291 + &NS_GET_IID(nsIDOMDocument), &v, false); 1.3292 + NS_ENSURE_SUCCESS(rv, rv); 1.3293 + 1.3294 + // nsIDocument::WrapObject will handle defining the property. 1.3295 + *objp = obj; 1.3296 + 1.3297 + // NB: We need to do this for any Xray wrapper. 1.3298 + if (xpc::WrapperFactory::IsXrayWrapper(obj)) { 1.3299 + *_retval = JS_WrapValue(cx, &v) && 1.3300 + JS_DefineProperty(cx, obj, "document", v, 1.3301 + JSPROP_READONLY | JSPROP_ENUMERATE, 1.3302 + JS_PropertyStub, JS_StrictPropertyStub); 1.3303 + if (!*_retval) { 1.3304 + return NS_ERROR_UNEXPECTED; 1.3305 + } 1.3306 + } 1.3307 + 1.3308 + return NS_OK; 1.3309 + } 1.3310 + 1.3311 + return nsDOMGenericSH::NewResolve(wrapper, cx, obj, id, objp, _retval); 1.3312 +} 1.3313 + 1.3314 +NS_IMETHODIMP 1.3315 +nsWindowSH::OuterObject(nsIXPConnectWrappedNative *wrapper, JSContext * cx, 1.3316 + JSObject * obj, JSObject * *_retval) 1.3317 +{ 1.3318 + nsGlobalWindow *origWin = nsGlobalWindow::FromWrapper(wrapper); 1.3319 + nsGlobalWindow *win = origWin->GetOuterWindowInternal(); 1.3320 + 1.3321 + if (!win) { 1.3322 + // If we no longer have an outer window. No code should ever be 1.3323 + // running on a window w/o an outer, which means this hook should 1.3324 + // never be called when we have no outer. But just in case, return 1.3325 + // null to prevent leaking an inner window to code in a different 1.3326 + // window. 1.3327 + *_retval = nullptr; 1.3328 + return NS_ERROR_UNEXPECTED; 1.3329 + } 1.3330 + 1.3331 + JS::Rooted<JSObject*> winObj(cx, win->FastGetGlobalJSObject()); 1.3332 + MOZ_ASSERT(winObj); 1.3333 + 1.3334 + // Note that while |wrapper| is same-compartment with cx, the outer window 1.3335 + // might not be. If we're running script in an inactive scope and evalute 1.3336 + // |this|, the outer window is actually a cross-compartment wrapper. So we 1.3337 + // need to wrap here. 1.3338 + if (!JS_WrapObject(cx, &winObj)) { 1.3339 + *_retval = nullptr; 1.3340 + return NS_ERROR_UNEXPECTED; 1.3341 + } 1.3342 + 1.3343 + *_retval = winObj; 1.3344 + return NS_OK; 1.3345 +} 1.3346 + 1.3347 +NS_IMETHODIMP 1.3348 +nsLocationSH::PreCreate(nsISupports *nativeObj, JSContext *cx, 1.3349 + JSObject *globalObj, JSObject **parentObj) 1.3350 +{ 1.3351 + // window.location can be held onto by both evil pages that want to track the 1.3352 + // user's progress on the web and bookmarklets that want to use the location 1.3353 + // object. Parent it to the outer window so that access checks do the Right 1.3354 + // Thing. 1.3355 + *parentObj = globalObj; 1.3356 + 1.3357 + nsCOMPtr<nsIDOMLocation> safeLoc(do_QueryInterface(nativeObj)); 1.3358 + if (!safeLoc) { 1.3359 + // Oops, this wasn't really a location object. This can happen if someone 1.3360 + // tries to use our scriptable helper as a real object and tries to wrap 1.3361 + // it, see bug 319296 1.3362 + return NS_OK; 1.3363 + } 1.3364 + 1.3365 + nsLocation *loc = (nsLocation *)safeLoc.get(); 1.3366 + nsIDocShell *ds = loc->GetDocShell(); 1.3367 + if (!ds) { 1.3368 + NS_WARNING("Refusing to create a location in the wrong scope"); 1.3369 + return NS_ERROR_UNEXPECTED; 1.3370 + } 1.3371 + 1.3372 + nsCOMPtr<nsIScriptGlobalObject> sgo = do_GetInterface(ds); 1.3373 + if (!sgo) { 1.3374 + NS_WARNING("Refusing to create a location in the wrong scope because the " 1.3375 + "docshell is being destroyed"); 1.3376 + return NS_ERROR_UNEXPECTED; 1.3377 + } 1.3378 + 1.3379 + *parentObj = sgo->GetGlobalJSObject(); 1.3380 + return *parentObj ? NS_OK : NS_ERROR_FAILURE; 1.3381 +} 1.3382 + 1.3383 +NS_IMETHODIMP 1.3384 +nsLocationSH::AddProperty(nsIXPConnectWrappedNative *wrapper, JSContext *cx, 1.3385 + JSObject *obj, jsid aId, jsval *vp, bool *_retval) 1.3386 +{ 1.3387 + JS::Rooted<JSObject*> rootedObj(cx, obj); 1.3388 + 1.3389 + // Shadowing protection. This will go away when nsLocation moves to the new 1.3390 + // bindings. 1.3391 + JS::Rooted<jsid> id(cx, aId); 1.3392 + if (wrapper->HasNativeMember(id)) { 1.3393 + JS_ReportError(cx, "Permission denied to shadow native property"); 1.3394 + return NS_ERROR_FAILURE; 1.3395 + } 1.3396 + 1.3397 + nsLocation* location = static_cast<nsLocation*>(GetNative(wrapper, rootedObj)); 1.3398 + location->PreserveWrapper(location); 1.3399 + 1.3400 + return NS_OK; 1.3401 +} 1.3402 + 1.3403 +// EventTarget helper 1.3404 + 1.3405 +NS_IMETHODIMP 1.3406 +nsEventTargetSH::PreCreate(nsISupports *nativeObj, JSContext *cx, 1.3407 + JSObject *aGlobalObj, JSObject **parentObj) 1.3408 +{ 1.3409 + JS::Rooted<JSObject*> globalObj(cx, aGlobalObj); 1.3410 + DOMEventTargetHelper* target = DOMEventTargetHelper::FromSupports(nativeObj); 1.3411 + 1.3412 + nsCOMPtr<nsIScriptGlobalObject> native_parent; 1.3413 + target->GetParentObject(getter_AddRefs(native_parent)); 1.3414 + 1.3415 + *parentObj = native_parent ? native_parent->GetGlobalJSObject() : globalObj; 1.3416 + 1.3417 + return *parentObj ? NS_OK : NS_ERROR_FAILURE; 1.3418 +} 1.3419 + 1.3420 +NS_IMETHODIMP 1.3421 +nsEventTargetSH::AddProperty(nsIXPConnectWrappedNative *wrapper, JSContext *cx, 1.3422 + JSObject *obj, jsid id, jsval *vp, bool *_retval) 1.3423 +{ 1.3424 + nsEventTargetSH::PreserveWrapper(GetNative(wrapper, obj)); 1.3425 + 1.3426 + return NS_OK; 1.3427 +} 1.3428 + 1.3429 +void 1.3430 +nsEventTargetSH::PreserveWrapper(nsISupports *aNative) 1.3431 +{ 1.3432 + DOMEventTargetHelper* target = DOMEventTargetHelper::FromSupports(aNative); 1.3433 + target->PreserveWrapper(aNative); 1.3434 +} 1.3435 + 1.3436 +// Generic array scriptable helper. 1.3437 + 1.3438 +NS_IMETHODIMP 1.3439 +nsGenericArraySH::NewResolve(nsIXPConnectWrappedNative *wrapper, JSContext *cx, 1.3440 + JSObject *aObj, jsid aId, JSObject **objp, 1.3441 + bool *_retval) 1.3442 +{ 1.3443 + JS::Rooted<JSObject*> obj(cx, aObj); 1.3444 + JS::Rooted<jsid> id(cx, aId); 1.3445 + if (id == sLength_id) { 1.3446 + // Bail early; this isn't something we're interested in 1.3447 + return NS_OK; 1.3448 + } 1.3449 + 1.3450 + bool is_number = false; 1.3451 + int32_t n = GetArrayIndexFromId(cx, id, &is_number); 1.3452 + 1.3453 + if (is_number && n >= 0) { 1.3454 + // XXX The following is a cheap optimization to avoid hitting xpconnect to 1.3455 + // get the length. We may want to consider asking our concrete 1.3456 + // implementation for the length, and falling back onto the GetProperty if 1.3457 + // it doesn't provide one. 1.3458 + 1.3459 + uint32_t length; 1.3460 + nsresult rv = GetLength(wrapper, cx, obj, &length); 1.3461 + NS_ENSURE_SUCCESS(rv, rv); 1.3462 + 1.3463 + uint32_t index = uint32_t(n); 1.3464 + if (index < length) { 1.3465 + *_retval = ::JS_DefineElement(cx, obj, index, JSVAL_VOID, nullptr, nullptr, 1.3466 + JSPROP_ENUMERATE | JSPROP_SHARED); 1.3467 + *objp = obj; 1.3468 + } 1.3469 + } 1.3470 + 1.3471 + return NS_OK; 1.3472 +} 1.3473 + 1.3474 +nsresult 1.3475 +nsGenericArraySH::GetLength(nsIXPConnectWrappedNative *wrapper, JSContext *cx, 1.3476 + JS::Handle<JSObject*> obj, uint32_t *length) 1.3477 +{ 1.3478 + *length = 0; 1.3479 + 1.3480 + JS::Rooted<JS::Value> lenval(cx); 1.3481 + if (!JS_GetProperty(cx, obj, "length", &lenval)) { 1.3482 + return NS_ERROR_UNEXPECTED; 1.3483 + } 1.3484 + 1.3485 + if (!JSVAL_IS_INT(lenval)) { 1.3486 + // This can apparently happen with some sparse array impls falling back 1.3487 + // onto this code. 1.3488 + return NS_OK; 1.3489 + } 1.3490 + 1.3491 + int32_t slen = JSVAL_TO_INT(lenval); 1.3492 + if (slen < 0) { 1.3493 + return NS_OK; 1.3494 + } 1.3495 + 1.3496 + *length = (uint32_t)slen; 1.3497 + 1.3498 + return NS_OK; 1.3499 +} 1.3500 + 1.3501 +NS_IMETHODIMP 1.3502 +nsGenericArraySH::Enumerate(nsIXPConnectWrappedNative *wrapper, JSContext *cx, 1.3503 + JSObject *aObj, bool *_retval) 1.3504 +{ 1.3505 + // Recursion protection in case someone tries to be smart and call 1.3506 + // the enumerate hook from a user defined .length getter, or 1.3507 + // somesuch. 1.3508 + 1.3509 + JS::Rooted<JSObject*> obj(cx, aObj); 1.3510 + static bool sCurrentlyEnumerating; 1.3511 + 1.3512 + if (sCurrentlyEnumerating) { 1.3513 + // Don't recurse to death. 1.3514 + return NS_OK; 1.3515 + } 1.3516 + 1.3517 + sCurrentlyEnumerating = true; 1.3518 + 1.3519 + JS::Rooted<JS::Value> len_val(cx); 1.3520 + bool ok = ::JS_GetProperty(cx, obj, "length", &len_val); 1.3521 + 1.3522 + if (ok && JSVAL_IS_INT(len_val)) { 1.3523 + int32_t length = JSVAL_TO_INT(len_val); 1.3524 + 1.3525 + for (int32_t i = 0; ok && i < length; ++i) { 1.3526 + ok = ::JS_DefineElement(cx, obj, i, JSVAL_VOID, nullptr, nullptr, 1.3527 + JSPROP_ENUMERATE | JSPROP_SHARED); 1.3528 + } 1.3529 + } 1.3530 + 1.3531 + sCurrentlyEnumerating = false; 1.3532 + 1.3533 + return ok ? NS_OK : NS_ERROR_UNEXPECTED; 1.3534 +} 1.3535 + 1.3536 +// Array scriptable helper 1.3537 + 1.3538 +NS_IMETHODIMP 1.3539 +nsArraySH::GetProperty(nsIXPConnectWrappedNative *wrapper, JSContext *cx, 1.3540 + JSObject *aObj, jsid aId, jsval *vp, bool *_retval) 1.3541 +{ 1.3542 + JS::Rooted<JSObject*> obj(cx, aObj); 1.3543 + JS::Rooted<jsid> id(cx, aId); 1.3544 + bool is_number = false; 1.3545 + int32_t n = GetArrayIndexFromId(cx, id, &is_number); 1.3546 + 1.3547 + nsresult rv = NS_OK; 1.3548 + 1.3549 + if (is_number) { 1.3550 + if (n < 0) { 1.3551 + return NS_ERROR_DOM_INDEX_SIZE_ERR; 1.3552 + } 1.3553 + 1.3554 + // Make sure rv == NS_OK here, so GetItemAt implementations that never fail 1.3555 + // don't have to set rv. 1.3556 + rv = NS_OK; 1.3557 + nsWrapperCache *cache = nullptr; 1.3558 + nsISupports* array_item = 1.3559 + GetItemAt(GetNative(wrapper, obj), n, &cache, &rv); 1.3560 + NS_ENSURE_SUCCESS(rv, rv); 1.3561 + 1.3562 + if (array_item) { 1.3563 + JS::Rooted<JS::Value> rval(cx); 1.3564 + rv = WrapNative(cx, array_item, cache, true, &rval); 1.3565 + NS_ENSURE_SUCCESS(rv, rv); 1.3566 + *vp = rval; 1.3567 + 1.3568 + rv = NS_SUCCESS_I_DID_SOMETHING; 1.3569 + } 1.3570 + } 1.3571 + 1.3572 + return rv; 1.3573 +} 1.3574 + 1.3575 + 1.3576 +// CSSRuleList scriptable helper 1.3577 + 1.3578 +nsISupports* 1.3579 +nsCSSRuleListSH::GetItemAt(nsISupports *aNative, uint32_t aIndex, 1.3580 + nsWrapperCache **aCache, nsresult *aResult) 1.3581 +{ 1.3582 + nsICSSRuleList* list = static_cast<nsICSSRuleList*>(aNative); 1.3583 +#ifdef DEBUG 1.3584 + { 1.3585 + nsCOMPtr<nsICSSRuleList> list_qi = do_QueryInterface(aNative); 1.3586 + 1.3587 + // If this assertion fires the QI implementation for the object in 1.3588 + // question doesn't use the nsICSSRuleList pointer as the nsISupports 1.3589 + // pointer. That must be fixed, or we'll crash... 1.3590 + NS_ABORT_IF_FALSE(list_qi == list, "Uh, fix QI!"); 1.3591 + } 1.3592 +#endif 1.3593 + 1.3594 + return list->Item(aIndex); 1.3595 +} 1.3596 + 1.3597 + 1.3598 +// Storage2SH 1.3599 + 1.3600 +// One reason we need a newResolve hook is that in order for 1.3601 +// enumeration of storage object keys to work the keys we're 1.3602 +// enumerating need to exist on the storage object for the JS engine 1.3603 +// to find them. 1.3604 + 1.3605 +NS_IMETHODIMP 1.3606 +nsStorage2SH::NewResolve(nsIXPConnectWrappedNative *wrapper, JSContext *cx, 1.3607 + JSObject *obj, jsid aId, JSObject **objp, 1.3608 + bool *_retval) 1.3609 +{ 1.3610 + JS::Rooted<jsid> id(cx, aId); 1.3611 + if (ObjectIsNativeWrapper(cx, obj)) { 1.3612 + return NS_OK; 1.3613 + } 1.3614 + 1.3615 + JS::Rooted<JSObject*> realObj(cx, wrapper->GetJSObject()); 1.3616 + 1.3617 + JSAutoCompartment ac(cx, realObj); 1.3618 + 1.3619 + // First check to see if the property is defined on our prototype, 1.3620 + // after converting id to a string if it's an integer. 1.3621 + 1.3622 + JS::Rooted<JSString*> jsstr(cx, IdToString(cx, id)); 1.3623 + if (!jsstr) { 1.3624 + return NS_OK; 1.3625 + } 1.3626 + 1.3627 + JS::Rooted<JSObject*> proto(cx); 1.3628 + if (!::JS_GetPrototype(cx, realObj, &proto)) { 1.3629 + return NS_ERROR_FAILURE; 1.3630 + } 1.3631 + bool hasProp; 1.3632 + 1.3633 + if (proto && 1.3634 + (::JS_HasPropertyById(cx, proto, id, &hasProp) && 1.3635 + hasProp)) { 1.3636 + // We found the property we're resolving on the prototype, 1.3637 + // nothing left to do here then. 1.3638 + 1.3639 + return NS_OK; 1.3640 + } 1.3641 + 1.3642 + // We're resolving property that doesn't exist on the prototype, 1.3643 + // check if the key exists in the storage object. 1.3644 + 1.3645 + nsCOMPtr<nsIDOMStorage> storage(do_QueryWrappedNative(wrapper)); 1.3646 + 1.3647 + nsDependentJSString depStr; 1.3648 + NS_ENSURE_TRUE(depStr.init(cx, jsstr), NS_ERROR_UNEXPECTED); 1.3649 + 1.3650 + // GetItem() will return null if the caller can't access the session 1.3651 + // storage item. 1.3652 + nsAutoString data; 1.3653 + nsresult rv = storage->GetItem(depStr, data); 1.3654 + NS_ENSURE_SUCCESS(rv, rv); 1.3655 + 1.3656 + if (!DOMStringIsNull(data)) { 1.3657 + if (!::JS_DefinePropertyById(cx, realObj, id, JSVAL_VOID, nullptr, 1.3658 + nullptr, JSPROP_ENUMERATE)) { 1.3659 + return NS_ERROR_FAILURE; 1.3660 + } 1.3661 + 1.3662 + *objp = realObj; 1.3663 + } 1.3664 + 1.3665 + return NS_OK; 1.3666 +} 1.3667 + 1.3668 +NS_IMETHODIMP 1.3669 +nsStorage2SH::GetProperty(nsIXPConnectWrappedNative *wrapper, JSContext *cx, 1.3670 + JSObject *aObj, jsid aId, jsval *vp, bool *_retval) 1.3671 +{ 1.3672 + JS::Rooted<JSObject*> obj(cx, aObj); 1.3673 + JS::Rooted<jsid> id(cx, aId); 1.3674 + nsCOMPtr<nsIDOMStorage> storage(do_QueryWrappedNative(wrapper)); 1.3675 + NS_ENSURE_TRUE(storage, NS_ERROR_UNEXPECTED); 1.3676 + 1.3677 + JSString* key = IdToString(cx, id); 1.3678 + NS_ENSURE_TRUE(key, NS_ERROR_UNEXPECTED); 1.3679 + 1.3680 + nsDependentJSString keyStr; 1.3681 + NS_ENSURE_TRUE(keyStr.init(cx, key), NS_ERROR_UNEXPECTED); 1.3682 + 1.3683 + // For native wrappers, do not get random names on storage objects. 1.3684 + if (ObjectIsNativeWrapper(cx, obj)) { 1.3685 + return NS_ERROR_NOT_AVAILABLE; 1.3686 + } 1.3687 + 1.3688 + nsAutoString val; 1.3689 + nsresult rv = storage->GetItem(keyStr, val); 1.3690 + NS_ENSURE_SUCCESS(rv, rv); 1.3691 + 1.3692 + if (DOMStringIsNull(val)) { 1.3693 + // No such key. 1.3694 + *vp = JSVAL_VOID; 1.3695 + } else { 1.3696 + JSString* str = 1.3697 + JS_NewUCStringCopyN(cx, static_cast<const jschar *>(val.get()), 1.3698 + val.Length()); 1.3699 + NS_ENSURE_TRUE(str, NS_ERROR_OUT_OF_MEMORY); 1.3700 + 1.3701 + *vp = STRING_TO_JSVAL(str); 1.3702 + } 1.3703 + 1.3704 + return NS_SUCCESS_I_DID_SOMETHING; 1.3705 +} 1.3706 + 1.3707 +NS_IMETHODIMP 1.3708 +nsStorage2SH::SetProperty(nsIXPConnectWrappedNative *wrapper, 1.3709 + JSContext *cx, JSObject *obj, jsid aId, 1.3710 + jsval *vp, bool *_retval) 1.3711 +{ 1.3712 + JS::Rooted<jsid> id(cx, aId); 1.3713 + nsCOMPtr<nsIDOMStorage> storage(do_QueryWrappedNative(wrapper)); 1.3714 + NS_ENSURE_TRUE(storage, NS_ERROR_UNEXPECTED); 1.3715 + 1.3716 + JSString *key = IdToString(cx, id); 1.3717 + NS_ENSURE_TRUE(key, NS_ERROR_UNEXPECTED); 1.3718 + 1.3719 + nsDependentJSString keyStr; 1.3720 + NS_ENSURE_TRUE(keyStr.init(cx, key), NS_ERROR_UNEXPECTED); 1.3721 + 1.3722 + JS::Rooted<JS::Value> val(cx, *vp); 1.3723 + JSString *value = JS::ToString(cx, val); 1.3724 + NS_ENSURE_TRUE(value, NS_ERROR_UNEXPECTED); 1.3725 + 1.3726 + nsDependentJSString valueStr; 1.3727 + NS_ENSURE_TRUE(valueStr.init(cx, value), NS_ERROR_UNEXPECTED); 1.3728 + 1.3729 + nsresult rv = storage->SetItem(keyStr, valueStr); 1.3730 + if (NS_SUCCEEDED(rv)) { 1.3731 + rv = NS_SUCCESS_I_DID_SOMETHING; 1.3732 + } 1.3733 + 1.3734 + return rv; 1.3735 +} 1.3736 + 1.3737 +NS_IMETHODIMP 1.3738 +nsStorage2SH::DelProperty(nsIXPConnectWrappedNative *wrapper, 1.3739 + JSContext *cx, JSObject *obj, jsid aId, 1.3740 + bool *_retval) 1.3741 +{ 1.3742 + JS::Rooted<jsid> id(cx, aId); 1.3743 + nsCOMPtr<nsIDOMStorage> storage(do_QueryWrappedNative(wrapper)); 1.3744 + NS_ENSURE_TRUE(storage, NS_ERROR_UNEXPECTED); 1.3745 + 1.3746 + JSString *key = IdToString(cx, id); 1.3747 + NS_ENSURE_TRUE(key, NS_ERROR_UNEXPECTED); 1.3748 + 1.3749 + nsDependentJSString keyStr; 1.3750 + NS_ENSURE_TRUE(keyStr.init(cx, key), NS_ERROR_UNEXPECTED); 1.3751 + 1.3752 + nsresult rv = storage->RemoveItem(keyStr); 1.3753 + if (NS_FAILED(rv)) { 1.3754 + return rv; 1.3755 + } 1.3756 + 1.3757 + *_retval = true; 1.3758 + return NS_SUCCESS_I_DID_SOMETHING; 1.3759 +} 1.3760 + 1.3761 + 1.3762 +NS_IMETHODIMP 1.3763 +nsStorage2SH::NewEnumerate(nsIXPConnectWrappedNative *wrapper, JSContext *cx, 1.3764 + JSObject *obj, uint32_t enum_op, jsval *statep, 1.3765 + jsid *idp, bool *_retval) 1.3766 +{ 1.3767 + if (enum_op == JSENUMERATE_INIT || enum_op == JSENUMERATE_INIT_ALL) { 1.3768 + nsCOMPtr<nsPIDOMStorage> storage(do_QueryWrappedNative(wrapper)); 1.3769 + 1.3770 + // XXXndeakin need to free the keys afterwards 1.3771 + nsTArray<nsString> *keys = storage->GetKeys(); 1.3772 + NS_ENSURE_TRUE(keys, NS_ERROR_OUT_OF_MEMORY); 1.3773 + 1.3774 + *statep = PRIVATE_TO_JSVAL(keys); 1.3775 + 1.3776 + if (idp) { 1.3777 + *idp = INT_TO_JSID(keys->Length()); 1.3778 + } 1.3779 + return NS_OK; 1.3780 + } 1.3781 + 1.3782 + nsTArray<nsString> *keys = 1.3783 + (nsTArray<nsString> *)JSVAL_TO_PRIVATE(*statep); 1.3784 + 1.3785 + if (enum_op == JSENUMERATE_NEXT && keys->Length() != 0) { 1.3786 + nsString& key = keys->ElementAt(0); 1.3787 + JS::Rooted<JSString*> str(cx, JS_NewUCStringCopyN(cx, key.get(), key.Length())); 1.3788 + NS_ENSURE_TRUE(str, NS_ERROR_OUT_OF_MEMORY); 1.3789 + 1.3790 + JS::Rooted<jsid> id(cx); 1.3791 + JS_StringToId(cx, str, &id); 1.3792 + *idp = id; 1.3793 + 1.3794 + keys->RemoveElementAt(0); 1.3795 + 1.3796 + return NS_OK; 1.3797 + } 1.3798 + 1.3799 + // destroy the keys array if we have no keys or if we're done 1.3800 + NS_ABORT_IF_FALSE(enum_op == JSENUMERATE_DESTROY || 1.3801 + (enum_op == JSENUMERATE_NEXT && keys->Length() == 0), 1.3802 + "Bad call from the JS engine"); 1.3803 + delete keys; 1.3804 + 1.3805 + *statep = JSVAL_NULL; 1.3806 + 1.3807 + return NS_OK; 1.3808 +} 1.3809 + 1.3810 +// nsIDOMEventListener::HandleEvent() 'this' converter helper 1.3811 + 1.3812 +NS_INTERFACE_MAP_BEGIN(nsEventListenerThisTranslator) 1.3813 + NS_INTERFACE_MAP_ENTRY(nsIXPCFunctionThisTranslator) 1.3814 + NS_INTERFACE_MAP_ENTRY(nsISupports) 1.3815 +NS_INTERFACE_MAP_END 1.3816 + 1.3817 + 1.3818 +NS_IMPL_ADDREF(nsEventListenerThisTranslator) 1.3819 +NS_IMPL_RELEASE(nsEventListenerThisTranslator) 1.3820 + 1.3821 + 1.3822 +NS_IMETHODIMP 1.3823 +nsEventListenerThisTranslator::TranslateThis(nsISupports *aInitialThis, 1.3824 + nsISupports **_retval) 1.3825 +{ 1.3826 + nsCOMPtr<nsIDOMEvent> event(do_QueryInterface(aInitialThis)); 1.3827 + NS_ENSURE_TRUE(event, NS_ERROR_UNEXPECTED); 1.3828 + 1.3829 + nsCOMPtr<EventTarget> target = event->InternalDOMEvent()->GetCurrentTarget(); 1.3830 + target.forget(_retval); 1.3831 + return NS_OK; 1.3832 +} 1.3833 + 1.3834 +NS_IMETHODIMP 1.3835 +nsDOMConstructorSH::PreCreate(nsISupports *nativeObj, JSContext *cx, 1.3836 + JSObject *aGlobalObj, JSObject **parentObj) 1.3837 +{ 1.3838 + JS::Rooted<JSObject*> globalObj(cx, aGlobalObj); 1.3839 + nsDOMConstructor *wrapped = static_cast<nsDOMConstructor *>(nativeObj); 1.3840 + 1.3841 +#ifdef DEBUG 1.3842 + { 1.3843 + nsCOMPtr<nsIDOMDOMConstructor> is_constructor = 1.3844 + do_QueryInterface(nativeObj); 1.3845 + NS_ASSERTION(is_constructor, "How did we not get a constructor?"); 1.3846 + } 1.3847 +#endif 1.3848 + 1.3849 + return wrapped->PreCreate(cx, globalObj, parentObj); 1.3850 +} 1.3851 + 1.3852 +NS_IMETHODIMP 1.3853 +nsDOMConstructorSH::NewResolve(nsIXPConnectWrappedNative *wrapper, JSContext *cx, 1.3854 + JSObject *aObj, jsid aId, JSObject **objp, 1.3855 + bool *_retval) 1.3856 +{ 1.3857 + JS::Rooted<JSObject*> obj(cx, aObj); 1.3858 + JS::Rooted<jsid> id(cx, aId); 1.3859 + // For regular DOM constructors, we have our interface constants defined on 1.3860 + // us by nsWindowSH::GlobalResolve. However, XrayWrappers can't see these 1.3861 + // interface constants (as they look like expando properties) so we have to 1.3862 + // specially resolve those constants here, but only for Xray wrappers. 1.3863 + if (!ObjectIsNativeWrapper(cx, obj)) { 1.3864 + return NS_OK; 1.3865 + } 1.3866 + 1.3867 + JS::Rooted<JSObject*> nativePropsObj(cx, xpc::XrayUtils::GetNativePropertiesObject(cx, obj)); 1.3868 + nsDOMConstructor *wrapped = 1.3869 + static_cast<nsDOMConstructor *>(wrapper->Native()); 1.3870 + nsresult rv = wrapped->ResolveInterfaceConstants(cx, nativePropsObj); 1.3871 + NS_ENSURE_SUCCESS(rv, rv); 1.3872 + 1.3873 + // Now re-lookup the ID to see if we should report back that we resolved the 1.3874 + // looked-for constant. Note that we don't have to worry about infinitely 1.3875 + // recurring back here because the Xray wrapper's holder object doesn't call 1.3876 + // NewResolve hooks. 1.3877 + bool found; 1.3878 + if (!JS_HasPropertyById(cx, nativePropsObj, id, &found)) { 1.3879 + *_retval = false; 1.3880 + return NS_OK; 1.3881 + } 1.3882 + 1.3883 + if (found) { 1.3884 + *objp = obj; 1.3885 + } 1.3886 + return NS_OK; 1.3887 +} 1.3888 + 1.3889 +NS_IMETHODIMP 1.3890 +nsDOMConstructorSH::Call(nsIXPConnectWrappedNative *wrapper, JSContext *cx, 1.3891 + JSObject *aObj, const JS::CallArgs &args, bool *_retval) 1.3892 +{ 1.3893 + JS::Rooted<JSObject*> obj(cx, aObj); 1.3894 + MOZ_ASSERT(obj); 1.3895 + 1.3896 + nsDOMConstructor *wrapped = 1.3897 + static_cast<nsDOMConstructor *>(wrapper->Native()); 1.3898 + 1.3899 +#ifdef DEBUG 1.3900 + { 1.3901 + nsCOMPtr<nsIDOMDOMConstructor> is_constructor = 1.3902 + do_QueryWrappedNative(wrapper); 1.3903 + NS_ASSERTION(is_constructor, "How did we not get a constructor?"); 1.3904 + } 1.3905 +#endif 1.3906 + 1.3907 + return wrapped->Construct(wrapper, cx, obj, args, _retval); 1.3908 +} 1.3909 + 1.3910 +NS_IMETHODIMP 1.3911 +nsDOMConstructorSH::Construct(nsIXPConnectWrappedNative *wrapper, JSContext *cx, 1.3912 + JSObject *aObj, const JS::CallArgs &args, bool *_retval) 1.3913 +{ 1.3914 + JS::Rooted<JSObject*> obj(cx, aObj); 1.3915 + MOZ_ASSERT(obj); 1.3916 + 1.3917 + nsDOMConstructor *wrapped = 1.3918 + static_cast<nsDOMConstructor *>(wrapper->Native()); 1.3919 + 1.3920 +#ifdef DEBUG 1.3921 + { 1.3922 + nsCOMPtr<nsIDOMDOMConstructor> is_constructor = 1.3923 + do_QueryWrappedNative(wrapper); 1.3924 + NS_ASSERTION(is_constructor, "How did we not get a constructor?"); 1.3925 + } 1.3926 +#endif 1.3927 + 1.3928 + return wrapped->Construct(wrapper, cx, obj, args, _retval); 1.3929 +} 1.3930 + 1.3931 +NS_IMETHODIMP 1.3932 +nsDOMConstructorSH::HasInstance(nsIXPConnectWrappedNative *wrapper, 1.3933 + JSContext *cx, JSObject *aObj, JS::Handle<JS::Value> val, 1.3934 + bool *bp, bool *_retval) 1.3935 +{ 1.3936 + JS::Rooted<JSObject*> obj(cx, aObj); 1.3937 + nsDOMConstructor *wrapped = 1.3938 + static_cast<nsDOMConstructor *>(wrapper->Native()); 1.3939 + 1.3940 +#ifdef DEBUG 1.3941 + { 1.3942 + nsCOMPtr<nsIDOMDOMConstructor> is_constructor = 1.3943 + do_QueryWrappedNative(wrapper); 1.3944 + NS_ASSERTION(is_constructor, "How did we not get a constructor?"); 1.3945 + } 1.3946 +#endif 1.3947 + 1.3948 + return wrapped->HasInstance(wrapper, cx, obj, val, bp, _retval); 1.3949 +} 1.3950 + 1.3951 +NS_IMETHODIMP 1.3952 +nsNonDOMObjectSH::GetFlags(uint32_t *aFlags) 1.3953 +{ 1.3954 + // This is NOT a DOM Object. Use this helper class for cases when you need 1.3955 + // to do something like implement nsISecurityCheckedComponent in a meaningful 1.3956 + // way. 1.3957 + *aFlags = nsIClassInfo::MAIN_THREAD_ONLY | nsIClassInfo::SINGLETON_CLASSINFO; 1.3958 + return NS_OK; 1.3959 +}