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Support custom V8 bindings on WebWorker threads (issue #451).

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- Add CefRenderProcessHandler callbacks for WebWorker context creation, release and uncaught exceptions.
- Add CefTaskRunner class that supports posting of tasks to standard threads and WebWorker threads.
- Organize V8 internal state information on a per-thread/per-Isolate basis.
- Add webkit_451.patch that provides the WebKit implementation.

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@972 5089003a-bbd8-11dd-ad1f-f1f9622dbc98
This commit is contained in:
Marshall Greenblatt
2013-01-03 17:24:24 +00:00
parent f30fbb3d48
commit afe3cb1d67
44 changed files with 2434 additions and 406 deletions
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108
libcef/common/task_impl.cc
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@@ -1,108 +1,38 @@
// Copyright (c) 2012 The Chromium Embedded Framework Authors. All rights
// Copyright (c) 2013 The Chromium Embedded Framework Authors. All rights
// reserved. Use of this source code is governed by a BSD-style license that can
// be found in the LICENSE file.
#include "include/cef_task.h"
#include "libcef/browser/thread_util.h"
#include "libcef/renderer/thread_util.h"
#include "libcef/common/task_runner_impl.h"
#include "base/bind.h"
using content::BrowserThread;
namespace {
const int kRenderThreadId = -1;
const int kInvalidThreadId = -10;
int GetThreadId(CefThreadId threadId) {
int id = kInvalidThreadId;
switch (threadId) {
case TID_UI:
id = BrowserThread::UI;
break;
case TID_DB:
id = BrowserThread::DB;
break;
case TID_FILE:
id = BrowserThread::FILE;
break;
case TID_FILE_USER_BLOCKING:
id = BrowserThread::FILE_USER_BLOCKING;
break;
case TID_PROCESS_LAUNCHER:
id = BrowserThread::PROCESS_LAUNCHER;
break;
case TID_CACHE:
id = BrowserThread::CACHE;
break;
case TID_IO:
id = BrowserThread::IO;
break;
case TID_RENDERER:
id = kRenderThreadId;
break;
default:
NOTREACHED() << "invalid thread id " << threadId;
return kInvalidThreadId;
};
if (id >= 0) {
// Verify that we're on the browser process.
if (content::GetContentClient()->browser())
return id;
NOTREACHED() << "called on invalid process";
} else if (id == kRenderThreadId) {
// Verify that we're on the renderer process.
if (content::GetContentClient()->renderer())
return id;
NOTREACHED() << "called on invalid process";
}
return kInvalidThreadId;
}
} // namespace
#include "base/location.h"
bool CefCurrentlyOn(CefThreadId threadId) {
int id = GetThreadId(threadId);
if (id >= 0) {
// Browser process.
return CEF_CURRENTLY_ON(static_cast<BrowserThread::ID>(id));
} else if (id == kRenderThreadId) {
// Renderer process.
return CEF_CURRENTLY_ON_RT();
}
scoped_refptr<base::SequencedTaskRunner> task_runner =
CefTaskRunnerImpl::GetTaskRunner(threadId);
if (task_runner.get())
return task_runner->RunsTasksOnCurrentThread();
return false;
}
bool CefPostTask(CefThreadId threadId, CefRefPtr<CefTask> task) {
int id = GetThreadId(threadId);
if (id >= 0) {
// Browser process.
return CEF_POST_TASK(static_cast<BrowserThread::ID>(id),
base::Bind(&CefTask::Execute, task, threadId));
} else if (id == kRenderThreadId) {
// Renderer process.
return CEF_POST_TASK_RT(base::Bind(&CefTask::Execute, task, threadId));
scoped_refptr<base::SequencedTaskRunner> task_runner =
CefTaskRunnerImpl::GetTaskRunner(threadId);
if (task_runner.get()) {
return task_runner->PostTask(FROM_HERE,
base::Bind(&CefTask::Execute, task));
}
return false;
}
bool CefPostDelayedTask(CefThreadId threadId, CefRefPtr<CefTask> task,
int64 delay_ms) {
int id = GetThreadId(threadId);
if (id >= 0) {
// Browser process.
return CEF_POST_DELAYED_TASK(static_cast<BrowserThread::ID>(id),
base::Bind(&CefTask::Execute, task, threadId),
base::TimeDelta::FromMilliseconds(delay_ms));
} else if (id == kRenderThreadId) {
// Renderer process.
return CEF_POST_DELAYED_TASK_RT(
base::Bind(&CefTask::Execute, task, threadId),
base::TimeDelta::FromMilliseconds(delay_ms));
bool CefPostDelayedTask(CefThreadId threadId, CefRefPtr<CefTask> task, int64 delay_ms) {
scoped_refptr<base::SequencedTaskRunner> task_runner =
CefTaskRunnerImpl::GetTaskRunner(threadId);
if (task_runner.get()) {
return task_runner->PostDelayedTask(FROM_HERE,
base::Bind(&CefTask::Execute, task),
base::TimeDelta::FromMilliseconds(delay_ms));
}
return false;
}