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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 CCDelayBasedTimeSource_h | 5 #ifndef CCDelayBasedTimeSource_h |
6 #define CCDelayBasedTimeSource_h | 6 #define CCDelayBasedTimeSource_h |
7 | 7 |
8 #include "CCTimeSource.h" | 8 #include "CCTimeSource.h" |
9 #include "CCTimer.h" | 9 #include "CCTimer.h" |
10 #include <wtf/PassRefPtr.h> | 10 #include <wtf/PassRefPtr.h> |
11 | 11 |
12 namespace cc { | 12 namespace cc { |
13 | 13 |
14 class CCThread; | 14 class CCThread; |
15 | 15 |
16 // This timer implements a time source that achieves the specified interval | 16 // This timer implements a time source that achieves the specified interval |
17 // in face of millisecond-precision delayed callbacks and random queueing delays
. | 17 // in face of millisecond-precision delayed callbacks and random queueing delays
. |
18 class CCDelayBasedTimeSource : public CCTimeSource, CCTimerClient { | 18 class CCDelayBasedTimeSource : public CCTimeSource, CCTimerClient { |
19 public: | 19 public: |
20 static PassRefPtr<CCDelayBasedTimeSource> create(base::TimeDelta interval, C
CThread*); | 20 static PassRefPtr<CCDelayBasedTimeSource> create(base::TimeDelta interval, C
CThread*); |
21 | 21 |
22 virtual ~CCDelayBasedTimeSource() { } | 22 virtual ~CCDelayBasedTimeSource(); |
23 | 23 |
24 virtual void setClient(CCTimeSourceClient* client) OVERRIDE { m_client = cli
ent; } | 24 virtual void setClient(CCTimeSourceClient* client) OVERRIDE; |
25 | 25 |
26 // CCTimeSource implementation | 26 // CCTimeSource implementation |
27 virtual void setTimebaseAndInterval(base::TimeTicks timebase, base::TimeDelt
a interval) OVERRIDE; | 27 virtual void setTimebaseAndInterval(base::TimeTicks timebase, base::TimeDelt
a interval) OVERRIDE; |
28 | 28 |
29 virtual void setActive(bool) OVERRIDE; | 29 virtual void setActive(bool) OVERRIDE; |
30 virtual bool active() const OVERRIDE { return m_state != STATE_INACTIVE; } | 30 virtual bool active() const OVERRIDE; |
31 | 31 |
32 // Get the last and next tick times. | 32 // Get the last and next tick times. |
33 virtual base::TimeTicks lastTickTime() OVERRIDE; | 33 virtual base::TimeTicks lastTickTime() OVERRIDE; |
34 virtual base::TimeTicks nextTickTimeIfActivated() OVERRIDE; | 34 virtual base::TimeTicks nextTickTimeIfActivated() OVERRIDE; |
35 | 35 |
36 // CCTimerClient implementation. | 36 // CCTimerClient implementation. |
37 virtual void onTimerFired() OVERRIDE; | 37 virtual void onTimerFired() OVERRIDE; |
38 | 38 |
39 // Virtual for testing. | 39 // Virtual for testing. |
40 virtual base::TimeTicks now() const; | 40 virtual base::TimeTicks now() const; |
(...skipping 28 matching lines...) Expand all Loading... |
69 Parameters m_currentParameters; | 69 Parameters m_currentParameters; |
70 Parameters m_nextParameters; | 70 Parameters m_nextParameters; |
71 | 71 |
72 State m_state; | 72 State m_state; |
73 CCThread* m_thread; | 73 CCThread* m_thread; |
74 CCTimer m_timer; | 74 CCTimer m_timer; |
75 }; | 75 }; |
76 | 76 |
77 } | 77 } |
78 #endif // CCDelayBasedTimeSource_h | 78 #endif // CCDelayBasedTimeSource_h |
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