1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/js/xpconnect/src/nsDOMQS.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,256 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
1.5 +/* vim: set ts=8 sts=4 et sw=4 tw=99: */
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 +#ifndef nsDOMQS_h__
1.11 +#define nsDOMQS_h__
1.12 +
1.13 +#include "nsDOMClassInfoID.h"
1.14 +#include "nsGenericHTMLElement.h"
1.15 +#include "mozilla/dom/HTMLCanvasElement.h"
1.16 +#include "mozilla/dom/HTMLFormElement.h"
1.17 +#include "mozilla/dom/HTMLImageElement.h"
1.18 +#include "mozilla/dom/HTMLOptionElement.h"
1.19 +#include "HTMLOptGroupElement.h"
1.20 +#include "mozilla/dom/HTMLVideoElement.h"
1.21 +#include "nsHTMLDocument.h"
1.22 +#include "nsICSSDeclaration.h"
1.23 +#include "nsSVGElement.h"
1.24 +#include "mozilla/dom/Event.h"
1.25 +#include "mozilla/dom/UIEvent.h"
1.26 +#include "mozilla/dom/MouseEvent.h"
1.27 +#include "mozilla/dom/EventTargetBinding.h"
1.28 +#include "mozilla/dom/NodeBinding.h"
1.29 +#include "mozilla/dom/ElementBinding.h"
1.30 +#include "mozilla/dom/HTMLElementBinding.h"
1.31 +#include "mozilla/dom/DocumentBinding.h"
1.32 +#include "mozilla/dom/SVGElementBinding.h"
1.33 +#include "mozilla/dom/HTMLDocumentBinding.h"
1.34 +#include "XPCQuickStubs.h"
1.35 +#include "nsGlobalWindow.h"
1.36 +
1.37 +template<class T>
1.38 +struct ProtoIDAndDepth
1.39 +{
1.40 + enum {
1.41 + PrototypeID = mozilla::dom::prototypes::id::_ID_Count,
1.42 + Depth = -1
1.43 + };
1.44 +};
1.45 +
1.46 +#define NEW_BINDING(_native, _id) \
1.47 +template<> \
1.48 +struct ProtoIDAndDepth<_native> \
1.49 +{ \
1.50 + enum { \
1.51 + PrototypeID = mozilla::dom::prototypes::id::_id, \
1.52 + Depth = mozilla::dom::PrototypeTraits< \
1.53 + static_cast<mozilla::dom::prototypes::ID>(PrototypeID)>::Depth \
1.54 + }; \
1.55 +}
1.56 +
1.57 +NEW_BINDING(mozilla::dom::EventTarget, EventTarget);
1.58 +NEW_BINDING(nsINode, Node);
1.59 +NEW_BINDING(mozilla::dom::Element, Element);
1.60 +NEW_BINDING(nsGenericHTMLElement, HTMLElement);
1.61 +NEW_BINDING(nsIDocument, Document);
1.62 +NEW_BINDING(nsDocument, Document);
1.63 +NEW_BINDING(nsHTMLDocument, HTMLDocument);
1.64 +NEW_BINDING(nsSVGElement, SVGElement);
1.65 +NEW_BINDING(mozilla::dom::Event, Event);
1.66 +NEW_BINDING(mozilla::dom::UIEvent, UIEvent);
1.67 +NEW_BINDING(mozilla::dom::MouseEvent, MouseEvent);
1.68 +NEW_BINDING(nsGlobalWindow, Window);
1.69 +
1.70 +#define DEFINE_UNWRAP_CAST(_interface, _base, _bit) \
1.71 +template <> \
1.72 +MOZ_ALWAYS_INLINE bool \
1.73 +xpc_qsUnwrapThis<_interface>(JSContext *cx, \
1.74 + JS::HandleObject obj, \
1.75 + _interface **ppThis, \
1.76 + nsISupports **pThisRef, \
1.77 + JS::MutableHandleValue pThisVal, \
1.78 + bool failureFatal) \
1.79 +{ \
1.80 + nsresult rv; \
1.81 + nsISupports *native = \
1.82 + castNativeFromWrapper(cx, obj, _bit, \
1.83 + ProtoIDAndDepth<_interface>::PrototypeID, \
1.84 + ProtoIDAndDepth<_interface>::Depth, \
1.85 + pThisRef, pThisVal, &rv); \
1.86 + *ppThis = nullptr; /* avoids uninitialized warnings in callers */ \
1.87 + if (failureFatal && !native) \
1.88 + return xpc_qsThrow(cx, rv); \
1.89 + *ppThis = static_cast<_interface*>(static_cast<_base*>(native)); \
1.90 + return true; \
1.91 +} \
1.92 + \
1.93 +template <> \
1.94 +MOZ_ALWAYS_INLINE nsresult \
1.95 +xpc_qsUnwrapArg<_interface>(JSContext *cx, \
1.96 + JS::HandleValue v, \
1.97 + _interface **ppArg, \
1.98 + nsISupports **ppArgRef, \
1.99 + JS::MutableHandleValue vp) \
1.100 +{ \
1.101 + nsresult rv; \
1.102 + nsISupports *native = \
1.103 + castNativeArgFromWrapper(cx, v, _bit, \
1.104 + ProtoIDAndDepth<_interface>::PrototypeID, \
1.105 + ProtoIDAndDepth<_interface>::Depth, \
1.106 + ppArgRef, vp, &rv); \
1.107 + if (NS_SUCCEEDED(rv)) \
1.108 + *ppArg = static_cast<_interface*>(static_cast<_base*>(native)); \
1.109 + return rv; \
1.110 +} \
1.111 + \
1.112 +template <> \
1.113 +inline nsresult \
1.114 +xpc_qsUnwrapArg<_interface>(JSContext *cx, \
1.115 + JS::HandleValue v, \
1.116 + _interface **ppArg, \
1.117 + _interface **ppArgRef, \
1.118 + JS::MutableHandleValue vp) \
1.119 +{ \
1.120 + nsISupports* argRef = static_cast<_base*>(*ppArgRef); \
1.121 + nsresult rv = xpc_qsUnwrapArg<_interface>(cx, v, ppArg, &argRef, vp); \
1.122 + *ppArgRef = static_cast<_interface*>(static_cast<_base*>(argRef)); \
1.123 + return rv; \
1.124 +} \
1.125 + \
1.126 +namespace mozilla { \
1.127 +namespace dom { \
1.128 + \
1.129 +template <> \
1.130 +MOZ_ALWAYS_INLINE nsresult \
1.131 +UnwrapArg<_interface>(JSContext *cx, \
1.132 + JS::HandleValue v, \
1.133 + _interface **ppArg, \
1.134 + nsISupports **ppArgRef, \
1.135 + JS::MutableHandleValue vp) \
1.136 +{ \
1.137 + return xpc_qsUnwrapArg<_interface>(cx, v, ppArg, ppArgRef, vp); \
1.138 +} \
1.139 + \
1.140 +template <> \
1.141 +inline nsresult \
1.142 +UnwrapArg<_interface>(JSContext *cx, \
1.143 + JS::HandleValue v, \
1.144 + _interface **ppArg, \
1.145 + _interface **ppArgRef, \
1.146 + JS::MutableHandleValue vp) \
1.147 +{ \
1.148 + return xpc_qsUnwrapArg<_interface>(cx, v, ppArg, ppArgRef, vp); \
1.149 +} \
1.150 + \
1.151 +} /* namespace dom */ \
1.152 +} /* namespace mozilla */
1.153 +
1.154 +#undef DOMCI_CASTABLE_INTERFACE
1.155 +
1.156 +#undef DOMCI_CASTABLE_INTERFACE
1.157 +#define DOMCI_CASTABLE_INTERFACE(_interface, _base, _bit, _extra) \
1.158 + DEFINE_UNWRAP_CAST(_interface, _base, _bit)
1.159 +
1.160 +DOMCI_CASTABLE_INTERFACES(unused)
1.161 +
1.162 +#undef DOMCI_CASTABLE_INTERFACE
1.163 +
1.164 +inline nsresult
1.165 +xpc_qsUnwrapArg_HTMLElement(JSContext *cx,
1.166 + JS::HandleValue v,
1.167 + nsIAtom *aTag,
1.168 + nsIContent **ppArg,
1.169 + nsISupports **ppArgRef,
1.170 + JS::MutableHandleValue vp)
1.171 +{
1.172 + nsGenericHTMLElement *elem;
1.173 + JS::RootedValue val(cx);
1.174 + nsresult rv =
1.175 + xpc_qsUnwrapArg<nsGenericHTMLElement>(cx, v, &elem, ppArgRef, &val);
1.176 + if (NS_SUCCEEDED(rv)) {
1.177 + if (elem->IsHTML(aTag)) {
1.178 + *ppArg = elem;
1.179 + vp.set(val);
1.180 + } else {
1.181 + rv = NS_ERROR_XPC_BAD_CONVERT_JS;
1.182 + }
1.183 + }
1.184 + return rv;
1.185 +}
1.186 +
1.187 +#define DEFINE_UNWRAP_CAST_HTML(_tag, _clazz) \
1.188 +template <> \
1.189 +inline nsresult \
1.190 +xpc_qsUnwrapArg<_clazz>(JSContext *cx, \
1.191 + JS::HandleValue v, \
1.192 + _clazz **ppArg, \
1.193 + nsISupports **ppArgRef, \
1.194 + JS::MutableHandleValue vp) \
1.195 +{ \
1.196 + nsIContent *elem; \
1.197 + nsresult rv = xpc_qsUnwrapArg_HTMLElement(cx, v, nsGkAtoms::_tag, &elem, \
1.198 + ppArgRef, vp); \
1.199 + if (NS_SUCCEEDED(rv)) \
1.200 + *ppArg = static_cast<_clazz*>(elem); \
1.201 + return rv; \
1.202 +} \
1.203 + \
1.204 +template <> \
1.205 +inline nsresult \
1.206 +xpc_qsUnwrapArg<_clazz>(JSContext *cx, JS::HandleValue v, _clazz **ppArg, \
1.207 + _clazz **ppArgRef, JS::MutableHandleValue vp) \
1.208 +{ \
1.209 + nsISupports* argRef = static_cast<nsIContent*>(*ppArgRef); \
1.210 + nsresult rv = xpc_qsUnwrapArg<_clazz>(cx, v, ppArg, &argRef, vp); \
1.211 + *ppArgRef = static_cast<_clazz*>(static_cast<nsIContent*>(argRef)); \
1.212 + return rv; \
1.213 +} \
1.214 + \
1.215 +namespace mozilla { \
1.216 +namespace dom { \
1.217 + \
1.218 +template <> \
1.219 +inline nsresult \
1.220 +UnwrapArg<_clazz>(JSContext *cx, \
1.221 + JS::HandleValue v, \
1.222 + _clazz **ppArg, \
1.223 + nsISupports **ppArgRef, \
1.224 + JS::MutableHandleValue vp) \
1.225 +{ \
1.226 + return xpc_qsUnwrapArg<_clazz>(cx, v, ppArg, ppArgRef, vp); \
1.227 +} \
1.228 + \
1.229 +template <> \
1.230 +inline nsresult \
1.231 +UnwrapArg<_clazz>(JSContext *cx, JS::HandleValue v, _clazz **ppArg, \
1.232 + _clazz **ppArgRef, JS::MutableHandleValue vp) \
1.233 +{ \
1.234 + return xpc_qsUnwrapArg<_clazz>(cx, v, ppArg, ppArgRef, vp); \
1.235 +} \
1.236 + \
1.237 +} /* namespace dom */ \
1.238 +} /* namespace mozilla */
1.239 +
1.240 +DEFINE_UNWRAP_CAST_HTML(canvas, mozilla::dom::HTMLCanvasElement)
1.241 +DEFINE_UNWRAP_CAST_HTML(form, mozilla::dom::HTMLFormElement)
1.242 +DEFINE_UNWRAP_CAST_HTML(img, mozilla::dom::HTMLImageElement)
1.243 +DEFINE_UNWRAP_CAST_HTML(optgroup, mozilla::dom::HTMLOptGroupElement)
1.244 +DEFINE_UNWRAP_CAST_HTML(option, mozilla::dom::HTMLOptionElement)
1.245 +DEFINE_UNWRAP_CAST_HTML(video, mozilla::dom::HTMLVideoElement)
1.246 +
1.247 +inline nsISupports*
1.248 +ToSupports(nsContentList *p)
1.249 +{
1.250 + return static_cast<nsINodeList*>(p);
1.251 +}
1.252 +
1.253 +inline nsISupports*
1.254 +ToCanonicalSupports(nsContentList *p)
1.255 +{
1.256 + return static_cast<nsINodeList*>(p);
1.257 +}
1.258 +
1.259 +#endif /* nsDOMQS_h__ */
