зеркало из https://github.com/mozilla/gecko-dev.git
137 строки
3.4 KiB
C++
137 строки
3.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/ArrayUtils.h"
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// JavaScript includes
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#include "jsapi.h"
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#include "jsfriendapi.h"
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#include "WrapperFactory.h"
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#include "AccessCheck.h"
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#include "XrayWrapper.h"
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#include "xpcpublic.h"
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#include "xpcprivate.h"
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#include "xpc_make_class.h"
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#include "XPCWrapper.h"
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#include "mozilla/DOMEventTargetHelper.h"
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#include "mozilla/dom/RegisterBindings.h"
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#include "nscore.h"
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#include "nsDOMClassInfo.h"
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#include "nsIDOMClassInfo.h"
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#include "nsCRT.h"
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#include "nsCRTGlue.h"
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#include "nsICategoryManager.h"
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#include "nsIComponentRegistrar.h"
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#include "nsXPCOM.h"
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#include "nsISimpleEnumerator.h"
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#include "nsISupportsPrimitives.h"
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#include "nsIXPConnect.h"
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#include "xptcall.h"
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#include "nsTArray.h"
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// General helper includes
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#include "nsGlobalWindow.h"
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#include "nsIContent.h"
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#include "nsIDocument.h"
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#include "nsIDOMDocument.h"
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#include "nsIDOMEvent.h"
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#include "nsIDOMEventListener.h"
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#include "nsContentUtils.h"
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#include "nsIDOMGlobalPropertyInitializer.h"
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#include "mozilla/Attributes.h"
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#include "mozilla/Telemetry.h"
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// DOM base includes
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#include "nsIDOMWindow.h"
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#include "nsPIDOMWindow.h"
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// DOM core includes
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#include "nsError.h"
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// Event related includes
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#include "nsIDOMEventTarget.h"
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// CSS related includes
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#include "nsMemory.h"
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// includes needed for the prototype chain interfaces
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#include "nsIEventListenerService.h"
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#include "mozilla/dom/TouchEvent.h"
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#include "nsWrapperCacheInlines.h"
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#include "mozilla/dom/HTMLCollectionBinding.h"
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#include "nsDebug.h"
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#include "mozilla/dom/BindingUtils.h"
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#include "mozilla/Likely.h"
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#include "nsIInterfaceInfoManager.h"
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#ifdef MOZ_TIME_MANAGER
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#include "TimeManager.h"
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#endif
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using namespace mozilla;
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using namespace mozilla::dom;
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bool nsDOMClassInfo::sIsInitialized = false;
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// static
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nsresult
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nsDOMClassInfo::Init()
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{
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/* Errors that can trigger early returns are done first,
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otherwise nsDOMClassInfo is left in a half inited state. */
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static_assert(sizeof(uintptr_t) == sizeof(void*),
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"BAD! You'll need to adjust the size of uintptr_t to the "
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"size of a pointer on your platform.");
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NS_ENSURE_TRUE(!sIsInitialized, NS_ERROR_ALREADY_INITIALIZED);
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nsCOMPtr<nsIXPCFunctionThisTranslator> elt = new nsEventListenerThisTranslator();
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nsContentUtils::XPConnect()->SetFunctionThisTranslator(NS_GET_IID(nsIDOMEventListener), elt);
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sIsInitialized = true;
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return NS_OK;
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}
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// static
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void
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nsDOMClassInfo::ShutDown()
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{
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sIsInitialized = false;
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}
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// nsIDOMEventListener::HandleEvent() 'this' converter helper
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NS_INTERFACE_MAP_BEGIN(nsEventListenerThisTranslator)
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NS_INTERFACE_MAP_ENTRY(nsIXPCFunctionThisTranslator)
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NS_INTERFACE_MAP_ENTRY(nsISupports)
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NS_INTERFACE_MAP_END
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NS_IMPL_ADDREF(nsEventListenerThisTranslator)
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NS_IMPL_RELEASE(nsEventListenerThisTranslator)
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NS_IMETHODIMP
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nsEventListenerThisTranslator::TranslateThis(nsISupports *aInitialThis,
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nsISupports **_retval)
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{
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nsCOMPtr<nsIDOMEvent> event(do_QueryInterface(aInitialThis));
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NS_ENSURE_TRUE(event, NS_ERROR_UNEXPECTED);
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nsCOMPtr<EventTarget> target = event->InternalDOMEvent()->GetCurrentTarget();
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target.forget(_retval);
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return NS_OK;
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}
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