зеркало из https://github.com/mozilla/pjs.git
562 строки
15 KiB
C++
562 строки
15 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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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) 2009
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Frederic Plourde <frederic.plourde@collabora.co.uk>
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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 "ContentParent.h"
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#include "TabParent.h"
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#include "History.h"
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#include "mozilla/ipc/TestShellParent.h"
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#include "mozilla/net/NeckoParent.h"
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#include "nsIPrefBranch.h"
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#include "nsIPrefBranch2.h"
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#include "nsIPrefLocalizedString.h"
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#include "nsIObserverService.h"
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#include "nsContentUtils.h"
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#include "nsAutoPtr.h"
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#include "nsCOMPtr.h"
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#include "nsServiceManagerUtils.h"
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#include "nsThreadUtils.h"
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#include "nsChromeRegistryChrome.h"
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#include "nsExternalHelperAppService.h"
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#include "nsCExternalHandlerService.h"
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#ifdef ANDROID
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#include "AndroidBridge.h"
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using namespace mozilla;
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#endif
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using namespace mozilla::ipc;
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using namespace mozilla::net;
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using namespace mozilla::places;
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using mozilla::MonitorAutoEnter;
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namespace mozilla {
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namespace dom {
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#define NS_IPC_IOSERVICE_SET_OFFLINE_TOPIC "ipc:network:set-offline"
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ContentParent* ContentParent::gSingleton;
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ContentParent*
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ContentParent::GetSingleton(PRBool aForceNew)
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{
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if (gSingleton && !gSingleton->IsAlive())
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gSingleton = nsnull;
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if (!gSingleton && aForceNew) {
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nsRefPtr<ContentParent> parent = new ContentParent();
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if (parent) {
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nsCOMPtr<nsIObserverService> obs =
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do_GetService("@mozilla.org/observer-service;1");
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if (obs) {
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if (NS_SUCCEEDED(obs->AddObserver(parent, "xpcom-shutdown",
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PR_FALSE))) {
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gSingleton = parent;
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nsCOMPtr<nsIPrefBranch2> prefs
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(do_GetService(NS_PREFSERVICE_CONTRACTID));
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if (prefs) {
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prefs->AddObserver("", parent, PR_FALSE);
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}
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}
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obs->AddObserver(
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parent, NS_IPC_IOSERVICE_SET_OFFLINE_TOPIC, PR_FALSE);
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}
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nsCOMPtr<nsIThreadInternal>
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threadInt(do_QueryInterface(NS_GetCurrentThread()));
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if (threadInt) {
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threadInt->GetObserver(getter_AddRefs(parent->mOldObserver));
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threadInt->SetObserver(parent);
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}
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}
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}
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return gSingleton;
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}
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void
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ContentParent::ActorDestroy(ActorDestroyReason why)
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{
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nsCOMPtr<nsIThreadObserver>
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kungFuDeathGrip(static_cast<nsIThreadObserver*>(this));
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nsCOMPtr<nsIObserverService>
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obs(do_GetService("@mozilla.org/observer-service;1"));
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if (obs)
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obs->RemoveObserver(static_cast<nsIObserver*>(this), "xpcom-shutdown");
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nsCOMPtr<nsIThreadInternal>
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threadInt(do_QueryInterface(NS_GetCurrentThread()));
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if (threadInt)
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threadInt->SetObserver(mOldObserver);
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if (mRunToCompletionDepth)
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mRunToCompletionDepth = 0;
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mIsAlive = false;
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}
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TabParent*
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ContentParent::CreateTab(PRUint32 aChromeFlags)
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{
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return static_cast<TabParent*>(SendPBrowserConstructor(aChromeFlags));
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}
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TestShellParent*
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ContentParent::CreateTestShell()
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{
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return static_cast<TestShellParent*>(SendPTestShellConstructor());
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}
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bool
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ContentParent::DestroyTestShell(TestShellParent* aTestShell)
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{
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return PTestShellParent::Send__delete__(aTestShell);
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}
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ContentParent::ContentParent()
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: mMonitor("ContentParent::mMonitor")
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, mRunToCompletionDepth(0)
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, mShouldCallUnblockChild(false)
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, mIsAlive(true)
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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mSubprocess = new GeckoChildProcessHost(GeckoProcessType_Content);
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mSubprocess->AsyncLaunch();
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Open(mSubprocess->GetChannel(), mSubprocess->GetChildProcessHandle());
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nsCOMPtr<nsIChromeRegistry> registrySvc = nsChromeRegistry::GetService();
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nsChromeRegistryChrome* chromeRegistry =
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static_cast<nsChromeRegistryChrome*>(registrySvc.get());
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chromeRegistry->SendRegisteredChrome(this);
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}
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ContentParent::~ContentParent()
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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//If the previous content process has died, a new one could have
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//been started since.
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if (gSingleton == this)
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gSingleton = nsnull;
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}
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bool
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ContentParent::IsAlive()
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{
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return mIsAlive;
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}
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bool
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ContentParent::RecvGetPrefType(const nsCString& prefName,
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PRInt32* retValue, nsresult* rv)
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{
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*retValue = 0;
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EnsurePrefService();
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*rv = mPrefService->GetPrefType(prefName.get(), retValue);
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return true;
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}
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bool
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ContentParent::RecvGetBoolPref(const nsCString& prefName,
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PRBool* retValue, nsresult* rv)
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{
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*retValue = PR_FALSE;
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EnsurePrefService();
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*rv = mPrefService->GetBoolPref(prefName.get(), retValue);
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return true;
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}
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bool
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ContentParent::RecvGetIntPref(const nsCString& prefName,
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PRInt32* retValue, nsresult* rv)
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{
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*retValue = 0;
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EnsurePrefService();
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*rv = mPrefService->GetIntPref(prefName.get(), retValue);
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return true;
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}
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bool
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ContentParent::RecvGetCharPref(const nsCString& prefName,
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nsCString* retValue, nsresult* rv)
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{
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EnsurePrefService();
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*rv = mPrefService->GetCharPref(prefName.get(), getter_Copies(*retValue));
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return true;
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}
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bool
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ContentParent::RecvGetPrefLocalizedString(const nsCString& prefName,
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nsString* retValue, nsresult* rv)
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{
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EnsurePrefService();
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nsCOMPtr<nsIPrefLocalizedString> string;
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*rv = mPrefService->GetComplexValue(prefName.get(),
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NS_GET_IID(nsIPrefLocalizedString), getter_AddRefs(string));
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if (NS_SUCCEEDED(*rv))
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string->GetData(getter_Copies(*retValue));
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return true;
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}
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bool
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ContentParent::RecvPrefHasUserValue(const nsCString& prefName,
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PRBool* retValue, nsresult* rv)
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{
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*retValue = PR_FALSE;
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EnsurePrefService();
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*rv = mPrefService->PrefHasUserValue(prefName.get(), retValue);
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return true;
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}
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bool
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ContentParent::RecvPrefIsLocked(const nsCString& prefName,
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PRBool* retValue, nsresult* rv)
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{
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*retValue = PR_FALSE;
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EnsurePrefService();
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*rv = mPrefService->PrefIsLocked(prefName.get(), retValue);
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return true;
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}
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bool
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ContentParent::RecvGetChildList(const nsCString& domain,
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nsTArray<nsCString>* list, nsresult* rv)
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{
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EnsurePrefService();
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PRUint32 count;
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char **childArray;
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*rv = mPrefService->GetChildList(domain.get(), &count, &childArray);
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if (NS_SUCCEEDED(*rv)) {
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list->SetCapacity(count);
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for (PRUint32 i = 0; i < count; ++i)
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*(list->AppendElement()) = childArray[i];
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}
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return true;
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}
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bool
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ContentParent::RecvTestPermission(const IPC::URI& aUri,
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const nsCString& aType,
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const PRBool& aExact,
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PRUint32* retValue)
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{
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EnsurePermissionService();
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nsCOMPtr<nsIURI> uri(aUri);
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if (aExact) {
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mPermissionService->TestExactPermission(uri, aType.get(), retValue);
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} else {
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mPermissionService->TestPermission(uri, aType.get(), retValue);
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}
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return true;
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}
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void
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ContentParent::EnsurePrefService()
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{
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nsresult rv;
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if (!mPrefService) {
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mPrefService = do_GetService(NS_PREFSERVICE_CONTRACTID, &rv);
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NS_ASSERTION(NS_SUCCEEDED(rv),
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"We lost prefService in the Chrome process !");
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}
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}
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void
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ContentParent::EnsurePermissionService()
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{
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nsresult rv;
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if (!mPermissionService) {
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mPermissionService = do_GetService(
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NS_PERMISSIONMANAGER_CONTRACTID, &rv);
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NS_ASSERTION(NS_SUCCEEDED(rv),
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"We lost permissionService in the Chrome process !");
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}
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}
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NS_IMPL_THREADSAFE_ISUPPORTS2(ContentParent,
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nsIObserver,
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nsIThreadObserver)
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namespace {
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void
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DeleteSubprocess(GeckoChildProcessHost* aSubprocess)
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{
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delete aSubprocess;
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}
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}
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NS_IMETHODIMP
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ContentParent::Observe(nsISupports* aSubject,
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const char* aTopic,
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const PRUnichar* aData)
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{
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if (!strcmp(aTopic, "xpcom-shutdown") && mSubprocess) {
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// remove the global remote preferences observers
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nsCOMPtr<nsIPrefBranch2> prefs
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(do_GetService(NS_PREFSERVICE_CONTRACTID));
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if (prefs) {
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if (gSingleton) {
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prefs->RemoveObserver("", this);
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}
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}
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Close();
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XRE_GetIOMessageLoop()->PostTask(
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FROM_HERE,
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NewRunnableFunction(DeleteSubprocess, mSubprocess));
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mSubprocess = nsnull;
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}
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if (!mIsAlive || !mSubprocess)
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return NS_OK;
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// listening for remotePrefs...
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if (!strcmp(aTopic, "nsPref:changed")) {
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// We know prefs are ASCII here.
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NS_LossyConvertUTF16toASCII strData(aData);
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if (!SendNotifyRemotePrefObserver(strData))
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return NS_ERROR_NOT_AVAILABLE;
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}
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else if (!strcmp(aTopic, NS_IPC_IOSERVICE_SET_OFFLINE_TOPIC)) {
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NS_ConvertUTF16toUTF8 dataStr(aData);
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const char *offline = dataStr.get();
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if (!SendSetOffline(!strcmp(offline, "true") ? true : false))
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return NS_ERROR_NOT_AVAILABLE;
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}
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return NS_OK;
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}
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PBrowserParent*
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ContentParent::AllocPBrowser(const PRUint32& aChromeFlags)
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{
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TabParent* parent = new TabParent();
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if (parent){
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NS_ADDREF(parent);
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}
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return parent;
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}
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bool
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ContentParent::DeallocPBrowser(PBrowserParent* frame)
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{
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TabParent* parent = static_cast<TabParent*>(frame);
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NS_RELEASE(parent);
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return true;
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}
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PTestShellParent*
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ContentParent::AllocPTestShell()
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{
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return new TestShellParent();
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}
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bool
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ContentParent::DeallocPTestShell(PTestShellParent* shell)
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{
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delete shell;
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return true;
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}
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PNeckoParent*
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ContentParent::AllocPNecko()
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{
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return new NeckoParent();
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}
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bool
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ContentParent::DeallocPNecko(PNeckoParent* necko)
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{
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delete necko;
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return true;
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}
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void
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ContentParent::ReportChildAlreadyBlocked()
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{
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if (!mRunToCompletionDepth) {
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#ifdef DEBUG
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printf("Running to completion...\n");
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#endif
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mRunToCompletionDepth = 1;
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mShouldCallUnblockChild = false;
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}
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}
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bool
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ContentParent::RequestRunToCompletion()
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{
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if (!mRunToCompletionDepth &&
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BlockChild()) {
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#ifdef DEBUG
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printf("Running to completion...\n");
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#endif
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mRunToCompletionDepth = 1;
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mShouldCallUnblockChild = true;
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}
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return !!mRunToCompletionDepth;
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}
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bool
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ContentParent::RecvStartVisitedQuery(const IPC::URI& aURI)
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{
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nsCOMPtr<nsIURI> newURI(aURI);
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IHistory *history = nsContentUtils::GetHistory();
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history->RegisterVisitedCallback(newURI, nsnull);
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return true;
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}
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bool
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ContentParent::RecvVisitURI(const IPC::URI& uri,
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const IPC::URI& referrer,
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const PRUint32& flags)
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{
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nsCOMPtr<nsIURI> ourURI(uri);
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nsCOMPtr<nsIURI> ourReferrer(referrer);
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IHistory *history = nsContentUtils::GetHistory();
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history->VisitURI(ourURI, ourReferrer, flags);
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return true;
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}
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bool
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ContentParent::RecvSetURITitle(const IPC::URI& uri,
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const nsString& title)
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{
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nsCOMPtr<nsIURI> ourURI(uri);
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IHistory *history = nsContentUtils::GetHistory();
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history->SetURITitle(ourURI, title);
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return true;
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}
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bool
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ContentParent::RecvLoadURIExternal(const IPC::URI& uri)
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{
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nsCOMPtr<nsIExternalProtocolService> extProtService(do_GetService(NS_EXTERNALPROTOCOLSERVICE_CONTRACTID));
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if (!extProtService)
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return true;
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nsCOMPtr<nsIURI> ourURI(uri);
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extProtService->LoadURI(ourURI, nsnull);
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return true;
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}
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/* void onDispatchedEvent (in nsIThreadInternal thread); */
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NS_IMETHODIMP
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ContentParent::OnDispatchedEvent(nsIThreadInternal *thread)
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{
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if (mOldObserver)
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return mOldObserver->OnDispatchedEvent(thread);
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return NS_OK;
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}
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/* void onProcessNextEvent (in nsIThreadInternal thread, in boolean mayWait, in unsigned long recursionDepth); */
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NS_IMETHODIMP
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ContentParent::OnProcessNextEvent(nsIThreadInternal *thread,
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PRBool mayWait,
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PRUint32 recursionDepth)
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{
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if (mRunToCompletionDepth)
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++mRunToCompletionDepth;
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if (mOldObserver)
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return mOldObserver->OnProcessNextEvent(thread, mayWait, recursionDepth);
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return NS_OK;
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}
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/* void afterProcessNextEvent (in nsIThreadInternal thread, in unsigned long recursionDepth); */
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NS_IMETHODIMP
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ContentParent::AfterProcessNextEvent(nsIThreadInternal *thread,
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PRUint32 recursionDepth)
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{
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if (mRunToCompletionDepth &&
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!--mRunToCompletionDepth) {
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#ifdef DEBUG
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printf("... ran to completion.\n");
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#endif
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if (mShouldCallUnblockChild) {
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mShouldCallUnblockChild = false;
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UnblockChild();
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}
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}
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if (mOldObserver)
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return mOldObserver->AfterProcessNextEvent(thread, recursionDepth);
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return NS_OK;
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}
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bool
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ContentParent::RecvNotifyIMEChange(const nsString& aText,
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const PRUint32& aTextLen,
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const int& aStart, const int& aEnd,
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const int& aNewEnd)
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{
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#ifdef ANDROID
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AndroidBridge::Bridge()->NotifyIMEChange(aText.get(), aTextLen,
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aStart, aEnd, aNewEnd);
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return true;
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#else
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return false;
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#endif
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}
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bool
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ContentParent::RecvNotifyIME(const int& aType, const int& aStatus)
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{
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#ifdef ANDROID
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AndroidBridge::Bridge()->NotifyIME(aType, aStatus);
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return true;
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#else
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return false;
|
|
#endif
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|
}
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|
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} // namespace dom
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} // namespace mozilla
|