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// Copyright 2015 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 UI_OZONE_PLATFORM_DRM_GPU_PROXY_HELPERS_H_
#define UI_OZONE_PLATFORM_DRM_GPU_PROXY_HELPERS_H_
#include "base/bind.h"
#include "base/location.h"
#include "base/memory/ref_counted.h"
#include "base/thread_task_runner_handle.h"
namespace ui {
namespace internal {
template <typename... Args>
void PostAsyncTask(
const scoped_refptr<base::SingleThreadTaskRunner>& task_runner,
const base::Callback<void(Args...)>& callback,
Args... args) {
task_runner->PostTask(FROM_HERE, base::Bind(callback, args...));
}
} // namespace internal
// Posts a task to a different thread and blocks waiting for the task to finish
// executing.
void PostSyncTask(
const scoped_refptr<base::SingleThreadTaskRunner>& task_runner,
const base::Closure& callback);
// Creates a callback that will run |callback| on the calling thread. Useful
// when posting a task on a different thread and expecting a callback when the
// task finished (and the callback needs to run on the original thread).
template <typename... Args>
base::Callback<void(Args...)> CreateSafeCallback(
const base::Callback<void(Args...)>& callback) {
return base::Bind(&internal::PostAsyncTask<Args...>,
base::ThreadTaskRunnerHandle::Get(), callback);
}
} // namespace ui
#endif // UI_OZONE_PLATFORM_DRM_GPU_PROXY_HELPERS_H_
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