1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/js/xpconnect/src/XPCRuntimeService.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,205 @@
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 +#include "nsContentUtils.h"
1.11 +#include "BackstagePass.h"
1.12 +#include "nsIProgrammingLanguage.h"
1.13 +#include "nsDOMClassInfo.h"
1.14 +#include "nsIPrincipal.h"
1.15 +
1.16 +#include "mozilla/dom/workers/Workers.h"
1.17 +
1.18 +using mozilla::dom::workers::ResolveWorkerClasses;
1.19 +
1.20 +NS_INTERFACE_MAP_BEGIN(BackstagePass)
1.21 + NS_INTERFACE_MAP_ENTRY(nsIGlobalObject)
1.22 + NS_INTERFACE_MAP_ENTRY(nsIXPCScriptable)
1.23 + NS_INTERFACE_MAP_ENTRY(nsIClassInfo)
1.24 + NS_INTERFACE_MAP_ENTRY(nsIScriptObjectPrincipal)
1.25 + NS_INTERFACE_MAP_ENTRY(nsISupportsWeakReference)
1.26 + NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIXPCScriptable)
1.27 +NS_INTERFACE_MAP_END
1.28 +
1.29 +NS_IMPL_ADDREF(BackstagePass)
1.30 +NS_IMPL_RELEASE(BackstagePass)
1.31 +
1.32 +// The nsIXPCScriptable map declaration that will generate stubs for us...
1.33 +#define XPC_MAP_CLASSNAME BackstagePass
1.34 +#define XPC_MAP_QUOTED_CLASSNAME "BackstagePass"
1.35 +#define XPC_MAP_WANT_NEWRESOLVE
1.36 +#define XPC_MAP_WANT_FINALIZE
1.37 +#define XPC_MAP_WANT_PRECREATE
1.38 +
1.39 +#define XPC_MAP_FLAGS nsIXPCScriptable::USE_JSSTUB_FOR_ADDPROPERTY | \
1.40 + nsIXPCScriptable::USE_JSSTUB_FOR_DELPROPERTY | \
1.41 + nsIXPCScriptable::USE_JSSTUB_FOR_SETPROPERTY | \
1.42 + nsIXPCScriptable::DONT_ENUM_STATIC_PROPS | \
1.43 + nsIXPCScriptable::DONT_ENUM_QUERY_INTERFACE | \
1.44 + nsIXPCScriptable::IS_GLOBAL_OBJECT | \
1.45 + nsIXPCScriptable::DONT_REFLECT_INTERFACE_NAMES
1.46 +#include "xpc_map_end.h" /* This will #undef the above */
1.47 +
1.48 +/* bool newResolve (in nsIXPConnectWrappedNative wrapper, in JSContextPtr cx, in JSObjectPtr obj, in jsval id, out JSObjectPtr objp); */
1.49 +NS_IMETHODIMP
1.50 +BackstagePass::NewResolve(nsIXPConnectWrappedNative *wrapper,
1.51 + JSContext * cx, JSObject * objArg,
1.52 + jsid idArg, JSObject * *objpArg,
1.53 + bool *_retval)
1.54 +{
1.55 + JS::RootedObject obj(cx, objArg);
1.56 + JS::RootedId id(cx, idArg);
1.57 +
1.58 + bool resolved;
1.59 + *objpArg = nullptr;
1.60 +
1.61 + *_retval = !!JS_ResolveStandardClass(cx, obj, id, &resolved);
1.62 + NS_ENSURE_TRUE(*_retval, NS_ERROR_FAILURE);
1.63 +
1.64 + if (resolved) {
1.65 + *objpArg = obj;
1.66 + return NS_OK;
1.67 + }
1.68 +
1.69 + JS::RootedObject objp(cx, *objpArg);
1.70 +
1.71 + *_retval = ResolveWorkerClasses(cx, obj, id, &objp);
1.72 + NS_ENSURE_TRUE(*_retval, NS_ERROR_FAILURE);
1.73 +
1.74 + if (objp) {
1.75 + *objpArg = objp;
1.76 + return NS_OK;
1.77 + }
1.78 +
1.79 + return NS_OK;
1.80 +}
1.81 +
1.82 +/***************************************************************************/
1.83 +/* void getInterfaces (out uint32_t count, [array, size_is (count), retval]
1.84 + out nsIIDPtr array); */
1.85 +NS_IMETHODIMP
1.86 +BackstagePass::GetInterfaces(uint32_t *aCount, nsIID * **aArray)
1.87 +{
1.88 + const uint32_t count = 2;
1.89 + *aCount = count;
1.90 + nsIID **array;
1.91 + *aArray = array = static_cast<nsIID**>(nsMemory::Alloc(count * sizeof(nsIID*)));
1.92 + if (!array)
1.93 + return NS_ERROR_OUT_OF_MEMORY;
1.94 +
1.95 + uint32_t index = 0;
1.96 + nsIID* clone;
1.97 +#define PUSH_IID(id) \
1.98 + clone = static_cast<nsIID *>(nsMemory::Clone(&NS_GET_IID( id ), \
1.99 + sizeof(nsIID))); \
1.100 + if (!clone) \
1.101 + goto oom; \
1.102 + array[index++] = clone;
1.103 +
1.104 + PUSH_IID(nsIXPCScriptable)
1.105 + PUSH_IID(nsIScriptObjectPrincipal)
1.106 +#undef PUSH_IID
1.107 +
1.108 + return NS_OK;
1.109 +oom:
1.110 + while (index)
1.111 + nsMemory::Free(array[--index]);
1.112 + nsMemory::Free(array);
1.113 + *aArray = nullptr;
1.114 + return NS_ERROR_OUT_OF_MEMORY;
1.115 +}
1.116 +
1.117 +/* nsISupports getHelperForLanguage (in uint32_t language); */
1.118 +NS_IMETHODIMP
1.119 +BackstagePass::GetHelperForLanguage(uint32_t language,
1.120 + nsISupports **retval)
1.121 +{
1.122 + nsCOMPtr<nsISupports> supports =
1.123 + do_QueryInterface(static_cast<nsIGlobalObject *>(this));
1.124 + supports.forget(retval);
1.125 + return NS_OK;
1.126 +}
1.127 +
1.128 +/* readonly attribute string contractID; */
1.129 +NS_IMETHODIMP
1.130 +BackstagePass::GetContractID(char * *aContractID)
1.131 +{
1.132 + *aContractID = nullptr;
1.133 + return NS_ERROR_NOT_AVAILABLE;
1.134 +}
1.135 +
1.136 +/* readonly attribute string classDescription; */
1.137 +NS_IMETHODIMP
1.138 +BackstagePass::GetClassDescription(char * *aClassDescription)
1.139 +{
1.140 + static const char classDescription[] = "BackstagePass";
1.141 + *aClassDescription = (char*)nsMemory::Clone(classDescription, sizeof(classDescription));
1.142 + return *aClassDescription ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
1.143 +}
1.144 +
1.145 +/* readonly attribute nsCIDPtr classID; */
1.146 +NS_IMETHODIMP
1.147 +BackstagePass::GetClassID(nsCID * *aClassID)
1.148 +{
1.149 + *aClassID = nullptr;
1.150 + return NS_OK;
1.151 +}
1.152 +
1.153 +/* readonly attribute uint32_t implementationLanguage; */
1.154 +NS_IMETHODIMP
1.155 +BackstagePass::GetImplementationLanguage(uint32_t *aImplementationLanguage)
1.156 +{
1.157 + *aImplementationLanguage = nsIProgrammingLanguage::CPLUSPLUS;
1.158 + return NS_OK;
1.159 +}
1.160 +
1.161 +/* readonly attribute uint32_t flags; */
1.162 +NS_IMETHODIMP
1.163 +BackstagePass::GetFlags(uint32_t *aFlags)
1.164 +{
1.165 + *aFlags = nsIClassInfo::MAIN_THREAD_ONLY;
1.166 + return NS_OK;
1.167 +}
1.168 +
1.169 +/* [notxpcom] readonly attribute nsCID classIDNoAlloc; */
1.170 +NS_IMETHODIMP
1.171 +BackstagePass::GetClassIDNoAlloc(nsCID *aClassIDNoAlloc)
1.172 +{
1.173 + return NS_ERROR_NOT_AVAILABLE;
1.174 +}
1.175 +
1.176 +NS_IMETHODIMP
1.177 +BackstagePass::Finalize(nsIXPConnectWrappedNative *wrapper, JSFreeOp * fop, JSObject * obj)
1.178 +{
1.179 + nsCOMPtr<nsIGlobalObject> bsp(do_QueryWrappedNative(wrapper));
1.180 + MOZ_ASSERT(bsp);
1.181 + static_cast<BackstagePass*>(bsp.get())->ForgetGlobalObject();
1.182 + return NS_OK;
1.183 +}
1.184 +
1.185 +NS_IMETHODIMP
1.186 +BackstagePass::PreCreate(nsISupports *nativeObj, JSContext *cx,
1.187 + JSObject *globalObj, JSObject **parentObj)
1.188 +{
1.189 + // We do the same trick here as for WindowSH. Return the js global
1.190 + // as parent, so XPConenct can find the right scope and the wrapper
1.191 + // that already exists.
1.192 + nsCOMPtr<nsIGlobalObject> global(do_QueryInterface(nativeObj));
1.193 + MOZ_ASSERT(global, "nativeObj not a global object!");
1.194 +
1.195 + JSObject *jsglobal = global->GetGlobalJSObject();
1.196 + if (jsglobal)
1.197 + *parentObj = jsglobal;
1.198 + return NS_OK;
1.199 +}
1.200 +
1.201 +nsresult
1.202 +NS_NewBackstagePass(BackstagePass** ret)
1.203 +{
1.204 + nsRefPtr<BackstagePass> bsp = new BackstagePass(
1.205 + nsContentUtils::GetSystemPrincipal());
1.206 + bsp.forget(ret);
1.207 + return NS_OK;
1.208 +}
