1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
|
/*
* Copyright (C) 2011 Google Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef ScriptedAnimationController_h
#define ScriptedAnimationController_h
#if ENABLE(REQUEST_ANIMATION_FRAME)
#include "DOMTimeStamp.h"
#if USE(REQUEST_ANIMATION_FRAME_TIMER)
#if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR)
#include "Chrome.h"
#include "ChromeClient.h"
#include "DisplayRefreshMonitorClient.h"
#endif
#include "Timer.h"
#endif
#include "PlatformScreen.h"
#include <wtf/RefCounted.h>
#include <wtf/RefPtr.h>
#include <wtf/Vector.h>
namespace WebCore {
class Document;
class RequestAnimationFrameCallback;
class ScriptedAnimationController : public RefCounted<ScriptedAnimationController>
#if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR)
, public DisplayRefreshMonitorClient
#endif
{
public:
static PassRefPtr<ScriptedAnimationController> create(Document* document, PlatformDisplayID displayID)
{
return adoptRef(new ScriptedAnimationController(document, displayID));
}
~ScriptedAnimationController();
void clearDocumentPointer() { m_document = 0; }
typedef int CallbackId;
CallbackId registerCallback(PassRefPtr<RequestAnimationFrameCallback>);
void cancelCallback(CallbackId);
void serviceScriptedAnimations(double monotonicTimeNow);
void suspend();
void resume();
void setThrottled(bool);
void windowScreenDidChange(PlatformDisplayID);
private:
ScriptedAnimationController(Document*, PlatformDisplayID);
typedef Vector<RefPtr<RequestAnimationFrameCallback>> CallbackList;
CallbackList m_callbacks;
Document* m_document;
CallbackId m_nextCallbackId;
int m_suspendCount;
void scheduleAnimation();
#if USE(REQUEST_ANIMATION_FRAME_TIMER)
void animationTimerFired(Timer<ScriptedAnimationController>&);
Timer<ScriptedAnimationController> m_animationTimer;
double m_lastAnimationFrameTimeMonotonic;
#if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR)
// Override for DisplayRefreshMonitorClient
virtual void displayRefreshFired(double timestamp) override;
virtual PassRefPtr<DisplayRefreshMonitor> createDisplayRefreshMonitor(PlatformDisplayID) const override;
bool m_isUsingTimer;
bool m_isThrottled;
#endif
#endif
};
}
#endif // ENABLE(REQUEST_ANIMATION_FRAME)
#endif // ScriptedAnimationController_h
|
