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// Copyright (c) 2012 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 REMOTING_BASE_PLUGIN_THREAD_TASK_RUNNER_H_
#define REMOTING_BASE_PLUGIN_THREAD_TASK_RUNNER_H_
#include "base/callback_forward.h"
#include "base/compiler_specific.h"
#include "base/single_thread_task_runner.h"
#include "base/synchronization/lock.h"
#include "base/threading/platform_thread.h"
namespace remoting {
// SingleThreadTaskRunner for plugin main threads.
class PluginThreadTaskRunner : public base::SingleThreadTaskRunner {
public:
class Delegate {
public:
Delegate() { }
virtual ~Delegate() { }
virtual bool RunOnPluginThread(
base::TimeDelta delay, void(function)(void*), void* data) = 0;
};
// Caller keeps ownership of delegate.
PluginThreadTaskRunner(Delegate* delegate);
void Detach();
// base::SingleThreadTaskRunner interface.
virtual bool PostDelayedTask(
const tracked_objects::Location& from_here,
const base::Closure& task,
base::TimeDelta delay) OVERRIDE;
virtual bool PostNonNestableDelayedTask(
const tracked_objects::Location& from_here,
const base::Closure& task,
base::TimeDelta delay) OVERRIDE;
virtual bool RunsTasksOnCurrentThread() const OVERRIDE;
protected:
virtual ~PluginThreadTaskRunner();
private:
static void TaskSpringboard(void* data);
void RunClosureIf(const base::Closure& task);
base::PlatformThreadId plugin_thread_id_;
// |lock_| must be acquired when accessing |delegate_|.
base::Lock lock_;
Delegate* delegate_;
DISALLOW_COPY_AND_ASSIGN(PluginThreadTaskRunner);
};
} // namespace remoting
#endif // REMOTING_BASE_PLUGIN_THREAD_TASK_RUNNER_H_
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