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1 // Copyright 2011 The Chromium Authors. All rights reserved. | 1 // Copyright 2011 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 CC_SCHEDULER_SCHEDULER_H_ | 5 #ifndef CC_SCHEDULER_SCHEDULER_H_ |
6 #define CC_SCHEDULER_SCHEDULER_H_ | 6 #define CC_SCHEDULER_SCHEDULER_H_ |
7 | 7 |
8 #include <deque> | 8 #include <deque> |
9 #include <string> | 9 #include <string> |
10 | 10 |
11 #include "base/basictypes.h" | 11 #include "base/basictypes.h" |
12 #include "base/cancelable_callback.h" | 12 #include "base/cancelable_callback.h" |
13 #include "base/memory/scoped_ptr.h" | 13 #include "base/memory/scoped_ptr.h" |
14 #include "base/time/time.h" | 14 #include "base/time/time.h" |
15 #include "cc/base/cc_export.h" | |
16 #include "cc/output/begin_frame_args.h" | 15 #include "cc/output/begin_frame_args.h" |
17 #include "cc/output/vsync_parameter_observer.h" | 16 #include "cc/output/vsync_parameter_observer.h" |
18 #include "cc/scheduler/begin_frame_source.h" | 17 #include "cc/scheduler/begin_frame_source.h" |
19 #include "cc/scheduler/delay_based_time_source.h" | 18 #include "cc/scheduler/delay_based_time_source.h" |
20 #include "cc/scheduler/draw_result.h" | 19 #include "cc/scheduler/draw_result.h" |
21 #include "cc/scheduler/scheduler_settings.h" | 20 #include "cc/scheduler/scheduler_settings.h" |
22 #include "cc/scheduler/scheduler_state_machine.h" | 21 #include "cc/scheduler/scheduler_state_machine.h" |
23 | 22 |
24 namespace base { | 23 namespace base { |
25 namespace trace_event { | 24 namespace trace_event { |
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51 | 50 |
52 protected: | 51 protected: |
53 virtual ~SchedulerClient() {} | 52 virtual ~SchedulerClient() {} |
54 }; | 53 }; |
55 | 54 |
56 class Scheduler; | 55 class Scheduler; |
57 // This class exists to allow tests to override the frame source construction. | 56 // This class exists to allow tests to override the frame source construction. |
58 // A virtual method can't be used as this needs to happen in the constructor | 57 // A virtual method can't be used as this needs to happen in the constructor |
59 // (see C++ FAQ / Section 23 - http://goo.gl/fnrwom for why). | 58 // (see C++ FAQ / Section 23 - http://goo.gl/fnrwom for why). |
60 // This class exists solely long enough to construct the frame sources. | 59 // This class exists solely long enough to construct the frame sources. |
61 class CC_EXPORT SchedulerFrameSourcesConstructor { | 60 class SchedulerFrameSourcesConstructor { |
62 public: | 61 public: |
63 virtual ~SchedulerFrameSourcesConstructor() {} | 62 virtual ~SchedulerFrameSourcesConstructor() {} |
64 virtual BeginFrameSource* ConstructPrimaryFrameSource(Scheduler* scheduler); | 63 virtual BeginFrameSource* ConstructPrimaryFrameSource(Scheduler* scheduler); |
65 virtual BeginFrameSource* ConstructBackgroundFrameSource( | 64 virtual BeginFrameSource* ConstructBackgroundFrameSource( |
66 Scheduler* scheduler); | 65 Scheduler* scheduler); |
67 virtual BeginFrameSource* ConstructUnthrottledFrameSource( | 66 virtual BeginFrameSource* ConstructUnthrottledFrameSource( |
68 Scheduler* scheduler); | 67 Scheduler* scheduler); |
69 | 68 |
70 protected: | 69 protected: |
71 SchedulerFrameSourcesConstructor() {} | 70 SchedulerFrameSourcesConstructor() {} |
72 | 71 |
73 friend class Scheduler; | 72 friend class Scheduler; |
74 }; | 73 }; |
75 | 74 |
76 class CC_EXPORT Scheduler : public BeginFrameObserverMixIn { | 75 class Scheduler : public BeginFrameObserverMixIn { |
77 public: | 76 public: |
78 static scoped_ptr<Scheduler> Create( | 77 static scoped_ptr<Scheduler> Create( |
79 SchedulerClient* client, | 78 SchedulerClient* client, |
80 const SchedulerSettings& scheduler_settings, | 79 const SchedulerSettings& scheduler_settings, |
81 int layer_tree_host_id, | 80 int layer_tree_host_id, |
82 const scoped_refptr<base::SingleThreadTaskRunner>& task_runner, | 81 const scoped_refptr<base::SingleThreadTaskRunner>& task_runner, |
83 scoped_ptr<BeginFrameSource> external_begin_frame_source) { | 82 scoped_ptr<BeginFrameSource> external_begin_frame_source) { |
84 SchedulerFrameSourcesConstructor frame_sources_constructor; | 83 SchedulerFrameSourcesConstructor frame_sources_constructor; |
85 return make_scoped_ptr(new Scheduler(client, | 84 return make_scoped_ptr(new Scheduler(client, |
86 scheduler_settings, | 85 scheduler_settings, |
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246 | 245 |
247 friend class SchedulerFrameSourcesConstructor; | 246 friend class SchedulerFrameSourcesConstructor; |
248 friend class TestSchedulerFrameSourcesConstructor; | 247 friend class TestSchedulerFrameSourcesConstructor; |
249 | 248 |
250 DISALLOW_COPY_AND_ASSIGN(Scheduler); | 249 DISALLOW_COPY_AND_ASSIGN(Scheduler); |
251 }; | 250 }; |
252 | 251 |
253 } // namespace cc | 252 } // namespace cc |
254 | 253 |
255 #endif // CC_SCHEDULER_SCHEDULER_H_ | 254 #endif // CC_SCHEDULER_SCHEDULER_H_ |
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