mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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192 lines
5.2 KiB
C++
192 lines
5.2 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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*
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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 "ContentProcessParent.h"
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#include "mozilla/ipc/GeckoThread.h"
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#include "TabParent.h"
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#include "mozilla/ipc/TestShellParent.h"
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#include "mozilla/net/NeckoParent.h"
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#include "nsIObserverService.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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using namespace mozilla::ipc;
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using namespace mozilla::net;
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using mozilla::MonitorAutoEnter;
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namespace {
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PRBool gSingletonDied = PR_FALSE;
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}
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namespace mozilla {
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namespace dom {
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ContentProcessParent* ContentProcessParent::gSingleton;
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ContentProcessParent*
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ContentProcessParent::GetSingleton()
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{
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if (!gSingleton && !gSingletonDied) {
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nsRefPtr<ContentProcessParent> parent = new ContentProcessParent();
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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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}
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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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TabParent*
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ContentProcessParent::CreateTab()
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{
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return static_cast<TabParent*>(SendPIFrameEmbeddingConstructor());
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}
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TestShellParent*
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ContentProcessParent::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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ContentProcessParent::DestroyTestShell(TestShellParent* aTestShell)
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{
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return SendPTestShellDestructor(aTestShell);
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}
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ContentProcessParent::ContentProcessParent()
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: mMonitor("ContentProcessParent::mMonitor")
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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// TODO: async launching!
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mSubprocess = new GeckoChildProcessHost(GeckoProcessType_Content, this);
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mSubprocess->SyncLaunch();
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Open(mSubprocess->GetChannel(), mSubprocess->GetChildProcessHandle());
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}
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ContentProcessParent::~ContentProcessParent()
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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NS_ASSERTION(gSingleton == this, "More than one singleton?!");
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gSingletonDied = PR_TRUE;
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gSingleton = nsnull;
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}
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NS_IMPL_ISUPPORTS1(ContentProcessParent, nsIObserver)
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NS_IMETHODIMP
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ContentProcessParent::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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SendQuit();
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#ifdef OS_WIN
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MonitorAutoEnter mon(mMonitor);
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while (mSubprocess) {
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mon.Wait();
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}
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#endif
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}
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return NS_OK;
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}
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void
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ContentProcessParent::OnWaitableEventSignaled(base::WaitableEvent *event)
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{
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// The child process has died! Sadly we're on the wrong thread to do much.
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NS_ASSERTION(!NS_IsMainThread(), "Wrong thread!");
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MonitorAutoEnter mon(mMonitor);
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mSubprocess = nsnull;
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mon.Notify();
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}
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PIFrameEmbeddingParent*
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ContentProcessParent::AllocPIFrameEmbedding()
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{
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return new TabParent();
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}
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bool
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ContentProcessParent::DeallocPIFrameEmbedding(PIFrameEmbeddingParent* frame)
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{
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delete frame;
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return true;
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}
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PTestShellParent*
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ContentProcessParent::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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ContentProcessParent::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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ContentProcessParent::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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ContentProcessParent::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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} // namespace dom
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} // namespace mozilla
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