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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 WebTaskRunner_h
#define WebTaskRunner_h
#include "WebCommon.h"
#ifdef INSIDE_BLINK
#include "wtf/Functional.h"
#endif
namespace blink {
class WebTraceLocation;
// The blink representation of a chromium SingleThreadTaskRunner.
class BLINK_PLATFORM_EXPORT WebTaskRunner {
public:
virtual ~WebTaskRunner() {}
class BLINK_PLATFORM_EXPORT Task {
public:
virtual ~Task() { }
virtual void run() = 0;
};
// Schedule a task to be run on the the associated WebThread.
// Takes ownership of |Task|. Can be called from any thread.
virtual void postTask(const WebTraceLocation&, Task*) {}
// Schedule a task to be run after |delayMs| on the the associated WebThread.
// Takes ownership of |Task|. Can be called from any thread.
virtual void postDelayedTask(const WebTraceLocation&, Task*, double delayMs) {}
#ifdef INSIDE_BLINK
// Helpers for posting bound functions as tasks.
typedef Function<void()> ClosureTask;
void postTask(const WebTraceLocation&, PassOwnPtr<ClosureTask>);
// TODO(alexclarke): Remove this when possible.
void postDelayedTask(const WebTraceLocation&, PassOwnPtr<ClosureTask>, long long delayMs);
void postDelayedTask(const WebTraceLocation&, PassOwnPtr<ClosureTask>, double delayMs);
#endif
};
} // namespace blink
#endif // WebTaskRunner_h
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