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1 // Copyright 2011 The Chromium Authors. All rights reserved. | 1 // Copyright 2012 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 CCTimeSource_h | 5 // Temporary forwarding header |
6 #define CCTimeSource_h | 6 #include "cc/time_source.h" |
7 | |
8 #include "base/time.h" | |
9 #include <wtf/RefCounted.h> | |
10 | |
11 namespace cc { | |
12 | |
13 class CCThread; | |
14 | |
15 class CCTimeSourceClient { | |
16 public: | |
17 virtual void onTimerTick() = 0; | |
18 | |
19 protected: | |
20 virtual ~CCTimeSourceClient() { } | |
21 }; | |
22 | |
23 // An generic interface for getting a reliably-ticking timesource of | |
24 // a specified rate. | |
25 // | |
26 // Be sure to call setActive(false) before releasing your reference to the | |
27 // timer, or it will keep on ticking! | |
28 class CCTimeSource : public RefCounted<CCTimeSource> { | |
29 public: | |
30 virtual ~CCTimeSource() { } | |
31 virtual void setClient(CCTimeSourceClient*) = 0; | |
32 virtual void setActive(bool) = 0; | |
33 virtual bool active() const = 0; | |
34 virtual void setTimebaseAndInterval(base::TimeTicks timebase, base::TimeDelt
a interval) = 0; | |
35 virtual base::TimeTicks lastTickTime() = 0; | |
36 virtual base::TimeTicks nextTickTime() = 0; | |
37 }; | |
38 | |
39 } | |
40 #endif // CCSmoothedTimer_h | |
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