| // 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 |