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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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_PUBLIC_PLATFORM_SCHEDULER_RENDERER_RENDERER_SCHEDULER
_H_ | 5 #ifndef THIRD_PARTY_WEBKIT_PUBLIC_PLATFORM_SCHEDULER_RENDERER_RENDERER_SCHEDULER
_H_ |
| 6 #define THIRD_PARTY_WEBKIT_PUBLIC_PLATFORM_SCHEDULER_RENDERER_RENDERER_SCHEDULER
_H_ | 6 #define THIRD_PARTY_WEBKIT_PUBLIC_PLATFORM_SCHEDULER_RENDERER_RENDERER_SCHEDULER
_H_ |
| 7 | 7 |
| 8 #include <memory> | 8 #include <memory> |
| 9 | 9 |
| 10 #include "base/macros.h" | 10 #include "base/macros.h" |
| 11 #include "base/message_loop/message_loop.h" | 11 #include "base/message_loop/message_loop.h" |
| 12 #include "base/threading/thread.h" | 12 #include "base/threading/thread.h" |
| 13 #include "public/platform/WebCommon.h" | 13 #include "public/platform/WebCommon.h" |
| 14 #include "public/platform/WebInputEvent.h" | |
| 15 #include "public/platform/WebInputEventResult.h" | 14 #include "public/platform/WebInputEventResult.h" |
| 16 #include "public/platform/WebScheduler.h" | |
| 17 #include "public/platform/scheduler/child/child_scheduler.h" | 15 #include "public/platform/scheduler/child/child_scheduler.h" |
| 18 #include "public/platform/scheduler/child/single_thread_idle_task_runner.h" | 16 #include "public/platform/scheduler/child/single_thread_idle_task_runner.h" |
| 19 #include "public/platform/scheduler/renderer/render_widget_scheduling_state.h" | 17 #include "public/platform/scheduler/renderer/render_widget_scheduling_state.h" |
| 20 #include "v8/include/v8.h" | 18 #include "v8/include/v8.h" |
| 21 | 19 |
| 22 namespace base { | 20 namespace base { |
| 23 namespace trace_event { | 21 namespace trace_event { |
| 24 class BlameContext; | 22 class BlameContext; |
| 25 } | 23 } |
| 26 } | 24 } |
| 27 | 25 |
| 28 namespace cc { | 26 namespace cc { |
| 29 struct BeginFrameArgs; | 27 struct BeginFrameArgs; |
| 30 } | 28 } |
| 31 | 29 |
| 32 namespace blink { | 30 namespace blink { |
| 33 class WebThread; | 31 class WebThread; |
| 32 class WebInputEvent; |
| 34 } | 33 } |
| 35 | 34 |
| 36 namespace blink { | 35 namespace blink { |
| 37 namespace scheduler { | 36 namespace scheduler { |
| 38 | 37 |
| 39 class RenderWidgetSchedulingState; | 38 class RenderWidgetSchedulingState; |
| 40 | 39 |
| 41 class BLINK_PLATFORM_EXPORT RendererScheduler : public ChildScheduler { | 40 class BLINK_PLATFORM_EXPORT RendererScheduler : public ChildScheduler { |
| 42 public: | 41 public: |
| 43 class BLINK_PLATFORM_EXPORT RAILModeObserver { | 42 class BLINK_PLATFORM_EXPORT RAILModeObserver { |
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| 123 // only be done when the renderer is backgrounded. The renderer will be | 122 // only be done when the renderer is backgrounded. The renderer will be |
| 124 // automatically resumed when foregrounded. | 123 // automatically resumed when foregrounded. |
| 125 virtual void SuspendRenderer() = 0; | 124 virtual void SuspendRenderer() = 0; |
| 126 | 125 |
| 127 // Tells the scheduler that the render process should be resumed. This can | 126 // Tells the scheduler that the render process should be resumed. This can |
| 128 // only be done when the renderer is suspended. TabManager (in the future, | 127 // only be done when the renderer is suspended. TabManager (in the future, |
| 129 // MemoryCoordinator) will suspend the renderer again if continuously | 128 // MemoryCoordinator) will suspend the renderer again if continuously |
| 130 // backgrounded. | 129 // backgrounded. |
| 131 virtual void ResumeRenderer() = 0; | 130 virtual void ResumeRenderer() = 0; |
| 132 | 131 |
| 132 enum class NavigatingFrameType { kMainFrame, kChildFrame }; |
| 133 |
| 133 // Tells the scheduler that a navigation task is pending. While any main-frame | 134 // Tells the scheduler that a navigation task is pending. While any main-frame |
| 134 // navigation tasks are pending, the scheduler will ensure that loading tasks | 135 // navigation tasks are pending, the scheduler will ensure that loading tasks |
| 135 // are not blocked even if they are expensive. Must be called on the main | 136 // are not blocked even if they are expensive. Must be called on the main |
| 136 // thread. | 137 // thread. |
| 137 virtual void AddPendingNavigation(WebScheduler::NavigatingFrameType type) = 0; | 138 virtual void AddPendingNavigation(NavigatingFrameType type) = 0; |
| 138 | 139 |
| 139 // Tells the scheduler that a navigation task is no longer pending. | 140 // Tells the scheduler that a navigation task is no longer pending. |
| 140 // Must be called on the main thread. | 141 // Must be called on the main thread. |
| 141 virtual void RemovePendingNavigation( | 142 virtual void RemovePendingNavigation(NavigatingFrameType type) = 0; |
| 142 WebScheduler::NavigatingFrameType type) = 0; | |
| 143 | 143 |
| 144 // Tells the scheduler that a navigation has started. The scheduler will | 144 // Tells the scheduler that a navigation has started. The scheduler will |
| 145 // prioritize loading tasks for a short duration afterwards. | 145 // prioritize loading tasks for a short duration afterwards. |
| 146 // Must be called from the main thread. | 146 // Must be called from the main thread. |
| 147 virtual void OnNavigationStarted() = 0; | 147 virtual void OnNavigationStarted() = 0; |
| 148 | 148 |
| 149 // Returns true if the scheduler has reason to believe that high priority work | 149 // Returns true if the scheduler has reason to believe that high priority work |
| 150 // may soon arrive on the main thread, e.g., if gesture events were observed | 150 // may soon arrive on the main thread, e.g., if gesture events were observed |
| 151 // recently. | 151 // recently. |
| 152 // Must be called from the main thread. | 152 // Must be called from the main thread. |
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| 184 | 184 |
| 185 protected: | 185 protected: |
| 186 RendererScheduler(); | 186 RendererScheduler(); |
| 187 DISALLOW_COPY_AND_ASSIGN(RendererScheduler); | 187 DISALLOW_COPY_AND_ASSIGN(RendererScheduler); |
| 188 }; | 188 }; |
| 189 | 189 |
| 190 } // namespace scheduler | 190 } // namespace scheduler |
| 191 } // namespace blink | 191 } // namespace blink |
| 192 | 192 |
| 193 #endif // THIRD_PARTY_WEBKIT_PUBLIC_PLATFORM_SCHEDULER_RENDERER_RENDERER_SCHEDU
LER_H_ | 193 #endif // THIRD_PARTY_WEBKIT_PUBLIC_PLATFORM_SCHEDULER_RENDERER_RENDERER_SCHEDU
LER_H_ |
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