mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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381 lines
12 KiB
C++
381 lines
12 KiB
C++
/* -*- Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 8; -*- */
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/* vim: set sw=4 ts=8 et tw=80 : */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Content App.
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*
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* The Initial Developer of the Original Code is
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* The Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2010
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsInProcessTabChildGlobal.h"
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#include "nsContentUtils.h"
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#include "nsIScriptSecurityManager.h"
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#include "nsIInterfaceRequestorUtils.h"
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#include "nsEventDispatcher.h"
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#include "nsIComponentManager.h"
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#include "nsIServiceManager.h"
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#include "nsIJSRuntimeService.h"
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#include "nsComponentManagerUtils.h"
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#include "nsNetUtil.h"
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#include "nsScriptLoader.h"
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#include "nsIJSContextStack.h"
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#include "nsFrameLoader.h"
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#include "nsIPrivateDOMEvent.h"
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#include "xpcpublic.h"
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bool SendSyncMessageToParent(void* aCallbackData,
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const nsAString& aMessage,
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const nsAString& aJSON,
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InfallibleTArray<nsString>* aJSONRetVal)
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{
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nsInProcessTabChildGlobal* tabChild =
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static_cast<nsInProcessTabChildGlobal*>(aCallbackData);
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nsCOMPtr<nsIContent> owner = tabChild->mOwner;
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nsTArray<nsCOMPtr<nsIRunnable> > asyncMessages;
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asyncMessages.SwapElements(tabChild->mASyncMessages);
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PRUint32 len = asyncMessages.Length();
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for (PRUint32 i = 0; i < len; ++i) {
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nsCOMPtr<nsIRunnable> async = asyncMessages[i];
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async->Run();
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}
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if (tabChild->mChromeMessageManager) {
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nsRefPtr<nsFrameMessageManager> mm = tabChild->mChromeMessageManager;
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mm->ReceiveMessage(owner, aMessage, true, aJSON, nsnull, aJSONRetVal);
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}
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return true;
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}
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class nsAsyncMessageToParent : public nsRunnable
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{
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public:
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nsAsyncMessageToParent(nsInProcessTabChildGlobal* aTabChild,
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const nsAString& aMessage, const nsAString& aJSON)
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: mTabChild(aTabChild), mMessage(aMessage), mJSON(aJSON) {}
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NS_IMETHOD Run()
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{
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mTabChild->mASyncMessages.RemoveElement(this);
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if (mTabChild->mChromeMessageManager) {
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nsRefPtr<nsFrameMessageManager> mm = mTabChild->mChromeMessageManager;
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mm->ReceiveMessage(mTabChild->mOwner, mMessage, false,
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mJSON, nsnull, nsnull);
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}
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return NS_OK;
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}
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nsRefPtr<nsInProcessTabChildGlobal> mTabChild;
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nsString mMessage;
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nsString mJSON;
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};
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bool SendAsyncMessageToParent(void* aCallbackData,
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const nsAString& aMessage,
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const nsAString& aJSON)
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{
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nsInProcessTabChildGlobal* tabChild =
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static_cast<nsInProcessTabChildGlobal*>(aCallbackData);
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nsCOMPtr<nsIRunnable> ev =
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new nsAsyncMessageToParent(tabChild, aMessage, aJSON);
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tabChild->mASyncMessages.AppendElement(ev);
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NS_DispatchToCurrentThread(ev);
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return true;
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}
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nsInProcessTabChildGlobal::nsInProcessTabChildGlobal(nsIDocShell* aShell,
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nsIContent* aOwner,
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nsFrameMessageManager* aChrome)
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: mDocShell(aShell), mInitialized(false), mLoadingScript(false),
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mDelayedDisconnect(false), mOwner(aOwner), mChromeMessageManager(aChrome)
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{
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}
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nsInProcessTabChildGlobal::~nsInProcessTabChildGlobal()
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{
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NS_ASSERTION(!mCx, "Couldn't release JSContext?!?");
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if (mListenerManager) {
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mListenerManager->Disconnect();
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}
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}
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nsresult
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nsInProcessTabChildGlobal::Init()
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{
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#ifdef DEBUG
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nsresult rv =
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#endif
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InitTabChildGlobal();
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NS_WARN_IF_FALSE(NS_SUCCEEDED(rv),
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"Couldn't initialize nsInProcessTabChildGlobal");
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mMessageManager = new nsFrameMessageManager(false,
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SendSyncMessageToParent,
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SendAsyncMessageToParent,
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nsnull,
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this,
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nsnull,
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mCx);
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return NS_OK;
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}
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NS_IMPL_CYCLE_COLLECTION_CLASS(nsInProcessTabChildGlobal)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(nsInProcessTabChildGlobal,
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nsDOMEventTargetWrapperCache)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mMessageManager)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mGlobal)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(nsInProcessTabChildGlobal,
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nsDOMEventTargetWrapperCache)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR(mMessageManager)
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nsFrameScriptExecutor::Traverse(tmp, cb);
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(nsInProcessTabChildGlobal)
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NS_INTERFACE_MAP_ENTRY(nsIFrameMessageManager)
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NS_INTERFACE_MAP_ENTRY(nsISyncMessageSender)
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NS_INTERFACE_MAP_ENTRY(nsIContentFrameMessageManager)
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NS_INTERFACE_MAP_ENTRY(nsIInProcessContentFrameMessageManager)
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NS_INTERFACE_MAP_ENTRY(nsIScriptContextPrincipal)
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NS_INTERFACE_MAP_ENTRY(nsIScriptObjectPrincipal)
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NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(ContentFrameMessageManager)
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NS_INTERFACE_MAP_END_INHERITING(nsDOMEventTargetWrapperCache)
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NS_IMPL_ADDREF_INHERITED(nsInProcessTabChildGlobal, nsDOMEventTargetHelper)
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NS_IMPL_RELEASE_INHERITED(nsInProcessTabChildGlobal, nsDOMEventTargetHelper)
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NS_IMETHODIMP
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nsInProcessTabChildGlobal::GetContent(nsIDOMWindow** aContent)
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{
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*aContent = nsnull;
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nsCOMPtr<nsIDOMWindow> window = do_GetInterface(mDocShell);
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window.swap(*aContent);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsInProcessTabChildGlobal::GetDocShell(nsIDocShell** aDocShell)
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{
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NS_IF_ADDREF(*aDocShell = mDocShell);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsInProcessTabChildGlobal::Btoa(const nsAString& aBinaryData,
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nsAString& aAsciiBase64String)
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{
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return nsContentUtils::Btoa(aBinaryData, aAsciiBase64String);
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}
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NS_IMETHODIMP
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nsInProcessTabChildGlobal::Atob(const nsAString& aAsciiString,
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nsAString& aBinaryData)
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{
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return nsContentUtils::Atob(aAsciiString, aBinaryData);
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}
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NS_IMETHODIMP
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nsInProcessTabChildGlobal::PrivateNoteIntentionalCrash()
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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void
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nsInProcessTabChildGlobal::Disconnect()
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{
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// Let the frame scripts know the child is being closed. We do any other
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// cleanup after the event has been fired. See DelayedDisconnect
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nsContentUtils::AddScriptRunner(
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NS_NewRunnableMethod(this, &nsInProcessTabChildGlobal::DelayedDisconnect)
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);
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}
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void
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nsInProcessTabChildGlobal::DelayedDisconnect()
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{
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// Don't let the event escape
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mOwner = nsnull;
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// Fire the "unload" event
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nsCOMPtr<nsIDOMEvent> event;
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NS_NewDOMEvent(getter_AddRefs(event), nsnull, nsnull);
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if (event) {
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event->InitEvent(NS_LITERAL_STRING("unload"), false, false);
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nsCOMPtr<nsIPrivateDOMEvent> privateEvent(do_QueryInterface(event));
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privateEvent->SetTrusted(true);
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bool dummy;
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nsDOMEventTargetHelper::DispatchEvent(event, &dummy);
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}
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// Continue with the Disconnect cleanup
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nsCOMPtr<nsIDOMWindow> win = do_GetInterface(mDocShell);
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nsCOMPtr<nsPIDOMWindow> pwin = do_QueryInterface(win);
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if (pwin) {
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pwin->SetChromeEventHandler(pwin->GetChromeEventHandler());
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}
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mDocShell = nsnull;
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mChromeMessageManager = nsnull;
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if (mMessageManager) {
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static_cast<nsFrameMessageManager*>(mMessageManager.get())->Disconnect();
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mMessageManager = nsnull;
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}
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if (mListenerManager) {
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mListenerManager->Disconnect();
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}
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if (!mLoadingScript) {
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if (mCx) {
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DestroyCx();
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}
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} else {
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mDelayedDisconnect = true;
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}
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}
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NS_IMETHODIMP_(nsIContent *)
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nsInProcessTabChildGlobal::GetOwnerContent()
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{
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return mOwner;
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}
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nsresult
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nsInProcessTabChildGlobal::PreHandleEvent(nsEventChainPreVisitor& aVisitor)
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{
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aVisitor.mCanHandle = true;
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aVisitor.mParentTarget = mOwner;
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#ifdef DEBUG
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if (mOwner) {
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nsCOMPtr<nsIFrameLoaderOwner> owner = do_QueryInterface(mOwner);
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nsRefPtr<nsFrameLoader> fl = owner->GetFrameLoader();
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if (fl) {
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NS_ASSERTION(this == fl->GetTabChildGlobalAsEventTarget(),
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"Wrong event target!");
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NS_ASSERTION(fl->mMessageManager == mChromeMessageManager,
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"Wrong message manager!");
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}
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}
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#endif
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return NS_OK;
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}
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nsresult
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nsInProcessTabChildGlobal::InitTabChildGlobal()
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{
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nsCOMPtr<nsIJSRuntimeService> runtimeSvc =
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do_GetService("@mozilla.org/js/xpc/RuntimeService;1");
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NS_ENSURE_STATE(runtimeSvc);
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JSRuntime* rt = nsnull;
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runtimeSvc->GetRuntime(&rt);
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NS_ENSURE_STATE(rt);
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JSContext* cx = JS_NewContext(rt, 8192);
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NS_ENSURE_STATE(cx);
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mCx = cx;
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nsContentUtils::XPConnect()->SetSecurityManagerForJSContext(cx, nsContentUtils::GetSecurityManager(), 0);
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nsContentUtils::GetSecurityManager()->GetSystemPrincipal(getter_AddRefs(mPrincipal));
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JS_SetNativeStackQuota(cx, 128 * sizeof(size_t) * 1024);
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JS_SetOptions(cx, JS_GetOptions(cx) | JSOPTION_JIT | JSOPTION_PRIVATE_IS_NSISUPPORTS);
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JS_SetVersion(cx, JSVERSION_LATEST);
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JS_SetErrorReporter(cx, ContentScriptErrorReporter);
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xpc_LocalizeContext(cx);
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JSAutoRequest ar(cx);
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nsIXPConnect* xpc = nsContentUtils::XPConnect();
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const PRUint32 flags = nsIXPConnect::INIT_JS_STANDARD_CLASSES |
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/*nsIXPConnect::OMIT_COMPONENTS_OBJECT ? |*/
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nsIXPConnect::FLAG_SYSTEM_GLOBAL_OBJECT;
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nsISupports* scopeSupports =
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NS_ISUPPORTS_CAST(nsIDOMEventTarget*, this);
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JS_SetContextPrivate(cx, scopeSupports);
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nsresult rv =
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xpc->InitClassesWithNewWrappedGlobal(cx, scopeSupports,
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NS_GET_IID(nsISupports),
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GetPrincipal(), nsnull,
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flags, getter_AddRefs(mGlobal));
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NS_ENSURE_SUCCESS(rv, false);
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JSObject* global = nsnull;
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rv = mGlobal->GetJSObject(&global);
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NS_ENSURE_SUCCESS(rv, false);
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JS_SetGlobalObject(cx, global);
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DidCreateCx();
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return NS_OK;
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}
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class nsAsyncScriptLoad : public nsRunnable
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{
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public:
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nsAsyncScriptLoad(nsInProcessTabChildGlobal* aTabChild, const nsAString& aURL)
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: mTabChild(aTabChild), mURL(aURL) {}
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NS_IMETHOD Run()
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{
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mTabChild->LoadFrameScript(mURL);
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return NS_OK;
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}
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nsRefPtr<nsInProcessTabChildGlobal> mTabChild;
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nsString mURL;
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};
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void
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nsInProcessTabChildGlobal::LoadFrameScript(const nsAString& aURL)
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{
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if (!nsContentUtils::IsSafeToRunScript()) {
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nsContentUtils::AddScriptRunner(new nsAsyncScriptLoad(this, aURL));
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return;
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}
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if (!mInitialized) {
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mInitialized = true;
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Init();
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}
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bool tmp = mLoadingScript;
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mLoadingScript = true;
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LoadFrameScriptInternal(aURL);
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mLoadingScript = tmp;
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if (!mLoadingScript && mDelayedDisconnect) {
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mDelayedDisconnect = false;
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Disconnect();
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}
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}
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