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Side by Side Diff: third_party/WebKit/Source/platform/scheduler/renderer/deadline_task_runner.h

Issue 2836853003: scheduler: Use PLATFORM_EXPORT instead of BLINK_PLATFORM_EXPORT (Closed)
Patch Set: Rebased Created 3 years, 7 months ago
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1 // Copyright 2015 The Chromium Authors. All rights reserved. 1 // Copyright 2015 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef THIRD_PARTY_WEBKIT_SOURCE_PLATFORM_SCHEDULER_RENDERER_DEADLINE_TASK_RUNN ER_H_ 5 #ifndef THIRD_PARTY_WEBKIT_SOURCE_PLATFORM_SCHEDULER_RENDERER_DEADLINE_TASK_RUNN ER_H_
6 #define THIRD_PARTY_WEBKIT_SOURCE_PLATFORM_SCHEDULER_RENDERER_DEADLINE_TASK_RUNN ER_H_ 6 #define THIRD_PARTY_WEBKIT_SOURCE_PLATFORM_SCHEDULER_RENDERER_DEADLINE_TASK_RUNN ER_H_
7 7
8 #include "base/callback.h" 8 #include "base/callback.h"
9 #include "base/macros.h" 9 #include "base/macros.h"
10 #include "base/memory/weak_ptr.h" 10 #include "base/memory/weak_ptr.h"
11 #include "base/single_thread_task_runner.h" 11 #include "base/single_thread_task_runner.h"
12 #include "base/time/time.h" 12 #include "base/time/time.h"
13 #include "platform/PlatformExport.h"
13 #include "platform/scheduler/base/cancelable_closure_holder.h" 14 #include "platform/scheduler/base/cancelable_closure_holder.h"
14 #include "public/platform/WebCommon.h"
15 15
16 namespace blink { 16 namespace blink {
17 namespace scheduler { 17 namespace scheduler {
18 18
19 // Runs a posted task at latest by a given deadline, but possibly sooner. 19 // Runs a posted task at latest by a given deadline, but possibly sooner.
20 class BLINK_PLATFORM_EXPORT DeadlineTaskRunner { 20 class PLATFORM_EXPORT DeadlineTaskRunner {
21 public: 21 public:
22 DeadlineTaskRunner(const base::Closure& callback, 22 DeadlineTaskRunner(const base::Closure& callback,
23 scoped_refptr<base::SingleThreadTaskRunner> task_runner); 23 scoped_refptr<base::SingleThreadTaskRunner> task_runner);
24 24
25 ~DeadlineTaskRunner(); 25 ~DeadlineTaskRunner();
26 26
27 // If there is no outstanding task then a task is posted to run after |delay|. 27 // If there is no outstanding task then a task is posted to run after |delay|.
28 // If there is an outstanding task which is scheduled to run: 28 // If there is an outstanding task which is scheduled to run:
29 // a) sooner - then this is a NOP. 29 // a) sooner - then this is a NOP.
30 // b) later - then the outstanding task is cancelled and a new task is 30 // b) later - then the outstanding task is cancelled and a new task is
(...skipping 12 matching lines...) Expand all
43 base::TimeTicks deadline_; 43 base::TimeTicks deadline_;
44 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; 44 scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
45 45
46 DISALLOW_COPY_AND_ASSIGN(DeadlineTaskRunner); 46 DISALLOW_COPY_AND_ASSIGN(DeadlineTaskRunner);
47 }; 47 };
48 48
49 } // namespace scheduler 49 } // namespace scheduler
50 } // namespace blink 50 } // namespace blink
51 51
52 #endif // THIRD_PARTY_WEBKIT_SOURCE_PLATFORM_SCHEDULER_RENDERER_DEADLINE_TASK_R UNNER_H_ 52 #endif // THIRD_PARTY_WEBKIT_SOURCE_PLATFORM_SCHEDULER_RENDERER_DEADLINE_TASK_R UNNER_H_
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