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Side by Side Diff: third_party/WebKit/Source/platform/scheduler/renderer/task_queue_throttler.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_TASK_QUEUE_THROTTL ER_H_ 5 #ifndef THIRD_PARTY_WEBKIT_SOURCE_PLATFORM_SCHEDULER_RENDERER_TASK_QUEUE_THROTTL ER_H_
6 #define THIRD_PARTY_WEBKIT_SOURCE_PLATFORM_SCHEDULER_RENDERER_TASK_QUEUE_THROTTL ER_H_ 6 #define THIRD_PARTY_WEBKIT_SOURCE_PLATFORM_SCHEDULER_RENDERER_TASK_QUEUE_THROTTL ER_H_
7 7
8 #include <set> 8 #include <set>
9 #include <unordered_map> 9 #include <unordered_map>
10 10
11 #include "base/logging.h" 11 #include "base/logging.h"
12 #include "base/macros.h" 12 #include "base/macros.h"
13 #include "base/optional.h" 13 #include "base/optional.h"
14 #include "base/threading/thread_checker.h" 14 #include "base/threading/thread_checker.h"
15 #include "platform/PlatformExport.h"
15 #include "platform/scheduler/base/cancelable_closure_holder.h" 16 #include "platform/scheduler/base/cancelable_closure_holder.h"
16 #include "platform/scheduler/base/time_domain.h" 17 #include "platform/scheduler/base/time_domain.h"
17 #include "platform/scheduler/renderer/budget_pool.h" 18 #include "platform/scheduler/renderer/budget_pool.h"
18 #include "platform/scheduler/renderer/web_view_scheduler.h" 19 #include "platform/scheduler/renderer/web_view_scheduler.h"
19 20
20 namespace base { 21 namespace base {
21 namespace trace_event { 22 namespace trace_event {
22 class TracedValue; 23 class TracedValue;
23 } 24 }
24 } 25 }
25 26
26 namespace blink { 27 namespace blink {
27 namespace scheduler { 28 namespace scheduler {
28 29
29 class BudgetPool; 30 class BudgetPool;
30 class RendererSchedulerImpl; 31 class RendererSchedulerImpl;
31 class ThrottledTimeDomain; 32 class ThrottledTimeDomain;
32 class CPUTimeBudgetPool; 33 class CPUTimeBudgetPool;
33 34
34 // Interface for BudgetPool to interact with TaskQueueThrottler. 35 // Interface for BudgetPool to interact with TaskQueueThrottler.
35 class BLINK_PLATFORM_EXPORT BudgetPoolController { 36 class PLATFORM_EXPORT BudgetPoolController {
36 public: 37 public:
37 virtual ~BudgetPoolController() {} 38 virtual ~BudgetPoolController() {}
38 39
39 // To be used by BudgetPool only, use BudgetPool::{Add,Remove}Queue 40 // To be used by BudgetPool only, use BudgetPool::{Add,Remove}Queue
40 // methods instead. 41 // methods instead.
41 virtual void AddQueueToBudgetPool(TaskQueue* queue, 42 virtual void AddQueueToBudgetPool(TaskQueue* queue,
42 BudgetPool* budget_pool) = 0; 43 BudgetPool* budget_pool) = 0;
43 virtual void RemoveQueueFromBudgetPool(TaskQueue* queue, 44 virtual void RemoveQueueFromBudgetPool(TaskQueue* queue,
44 BudgetPool* budget_pool) = 0; 45 BudgetPool* budget_pool) = 0;
45 46
(...skipping 27 matching lines...) Expand all
73 // policy reasons. To prevent the systems from fighting, clients of 74 // policy reasons. To prevent the systems from fighting, clients of
74 // TaskQueueThrottler must use SetQueueEnabled rather than calling the function 75 // TaskQueueThrottler must use SetQueueEnabled rather than calling the function
75 // directly on the queue. 76 // directly on the queue.
76 // 77 //
77 // There may be more than one system that wishes to throttle a queue (e.g. 78 // There may be more than one system that wishes to throttle a queue (e.g.
78 // renderer suspension vs tab level suspension) so the TaskQueueThrottler keeps 79 // renderer suspension vs tab level suspension) so the TaskQueueThrottler keeps
79 // a count of the number of systems that wish a queue to be throttled. 80 // a count of the number of systems that wish a queue to be throttled.
80 // See IncreaseThrottleRefCount & DecreaseThrottleRefCount. 81 // See IncreaseThrottleRefCount & DecreaseThrottleRefCount.
81 // 82 //
82 // This class is main-thread only. 83 // This class is main-thread only.
83 class BLINK_PLATFORM_EXPORT TaskQueueThrottler : public TaskQueue::Observer, 84 class PLATFORM_EXPORT TaskQueueThrottler : public TaskQueue::Observer,
84 public BudgetPoolController { 85 public BudgetPoolController {
85 public: 86 public:
86 // TODO(altimin): Do not pass tracing category as const char*, 87 // TODO(altimin): Do not pass tracing category as const char*,
87 // hard-code string instead. 88 // hard-code string instead.
88 TaskQueueThrottler(RendererSchedulerImpl* renderer_scheduler, 89 TaskQueueThrottler(RendererSchedulerImpl* renderer_scheduler,
89 const char* tracing_category); 90 const char* tracing_category);
90 91
91 ~TaskQueueThrottler() override; 92 ~TaskQueueThrottler() override;
92 93
93 // TaskQueue::Observer implementation: 94 // TaskQueue::Observer implementation:
94 void OnQueueNextWakeUpChanged(TaskQueue* queue, 95 void OnQueueNextWakeUpChanged(TaskQueue* queue,
(...skipping 95 matching lines...) Expand 10 before | Expand all | Expand 10 after
190 191
191 base::WeakPtrFactory<TaskQueueThrottler> weak_factory_; 192 base::WeakPtrFactory<TaskQueueThrottler> weak_factory_;
192 193
193 DISALLOW_COPY_AND_ASSIGN(TaskQueueThrottler); 194 DISALLOW_COPY_AND_ASSIGN(TaskQueueThrottler);
194 }; 195 };
195 196
196 } // namespace scheduler 197 } // namespace scheduler
197 } // namespace blink 198 } // namespace blink
198 199
199 #endif // THIRD_PARTY_WEBKIT_SOURCE_PLATFORM_SCHEDULER_RENDERER_TASK_QUEUE_THRO TTLER_H_ 200 #endif // THIRD_PARTY_WEBKIT_SOURCE_PLATFORM_SCHEDULER_RENDERER_TASK_QUEUE_THRO TTLER_H_
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