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Diffstat (limited to 'remoting/base/plugin_thread_task_runner.h')
-rw-r--r-- | remoting/base/plugin_thread_task_runner.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/remoting/base/plugin_thread_task_runner.h b/remoting/base/plugin_thread_task_runner.h new file mode 100644 index 0000000..5ebafe1 --- /dev/null +++ b/remoting/base/plugin_thread_task_runner.h @@ -0,0 +1,64 @@ +// 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_ |