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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ScriptStreamerThread_h
#define ScriptStreamerThread_h
#include "platform/TaskSynchronizer.h"
#include "public/platform/WebThread.h"
#include "wtf/OwnPtr.h"
#include <v8.h>
namespace blink {
class ScriptStreamer;
// A singleton thread for running background tasks for script streaming.
class ScriptStreamerThread {
WTF_MAKE_NONCOPYABLE(ScriptStreamerThread);
public:
static void init();
static void shutdown();
static ScriptStreamerThread* shared();
void postTask(WebThread::Task*);
bool isRunningTask() const
{
MutexLocker locker(m_mutex);
return m_runningTask;
}
void taskDone();
private:
ScriptStreamerThread()
: m_runningTask(false) { }
bool isRunning() const
{
return !!m_thread;
}
blink::WebThread& platformThread();
// At the moment, we only use one thread, so we can only stream one script
// at a time. FIXME: Use a thread pool and stream multiple scripts.
WTF::OwnPtr<blink::WebThread> m_thread;
bool m_runningTask;
mutable Mutex m_mutex; // Guards m_runningTask.
};
class ScriptStreamingTask : public WebThread::Task {
WTF_MAKE_NONCOPYABLE(ScriptStreamingTask);
public:
ScriptStreamingTask(WTF::PassOwnPtr<v8::ScriptCompiler::ScriptStreamingTask>, ScriptStreamer*);
virtual void run() override;
private:
WTF::OwnPtr<v8::ScriptCompiler::ScriptStreamingTask> m_v8Task;
ScriptStreamer* m_streamer;
};
} // namespace blink
#endif // ScriptStreamerThread_h
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