• Home
  • History
  • Annotate
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 /*
2  * Copyright (C) 2012 Google Inc. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  *
8  * 1.  Redistributions of source code must retain the above copyright
9  *     notice, this list of conditions and the following disclaimer.
10  * 2.  Redistributions in binary form must reproduce the above copyright
11  *     notice, this list of conditions and the following disclaimer in the
12  *     documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
16  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
18  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
19  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
20  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
21  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24  */
25 
26 #include "config.h"
27 #include "platform/exported/WebActiveGestureAnimation.h"
28 
29 #include "public/platform/WebGestureCurve.h"
30 #include "public/platform/WebGestureCurveTarget.h"
31 
32 namespace blink {
33 
createAtAnimationStart(PassOwnPtr<WebGestureCurve> curve,WebGestureCurveTarget * target)34 PassOwnPtr<WebActiveGestureAnimation> WebActiveGestureAnimation::createAtAnimationStart(PassOwnPtr<WebGestureCurve> curve, WebGestureCurveTarget* target)
35 {
36     return adoptPtr(new WebActiveGestureAnimation(curve, target, 0, true));
37 }
38 
createWithTimeOffset(PassOwnPtr<WebGestureCurve> curve,WebGestureCurveTarget * target,double startTime)39 PassOwnPtr<WebActiveGestureAnimation> WebActiveGestureAnimation::createWithTimeOffset(PassOwnPtr<WebGestureCurve> curve, WebGestureCurveTarget* target, double startTime)
40 {
41     return adoptPtr(new WebActiveGestureAnimation(curve, target, startTime, false));
42 }
43 
~WebActiveGestureAnimation()44 WebActiveGestureAnimation::~WebActiveGestureAnimation()
45 {
46 }
47 
WebActiveGestureAnimation(PassOwnPtr<WebGestureCurve> curve,WebGestureCurveTarget * target,double startTime,bool waitingForFirstTick)48 WebActiveGestureAnimation::WebActiveGestureAnimation(PassOwnPtr<WebGestureCurve> curve, WebGestureCurveTarget* target, double startTime, bool waitingForFirstTick)
49     : m_startTime(startTime)
50     , m_waitingForFirstTick(waitingForFirstTick)
51     , m_curve(curve)
52     , m_target(target)
53 {
54 }
55 
animate(double time)56 bool WebActiveGestureAnimation::animate(double time)
57 {
58     if (m_waitingForFirstTick) {
59         m_startTime = time;
60         m_waitingForFirstTick = false;
61     }
62     // All WebGestureCurves assume zero-based time, so we subtract
63     // the animation start time before passing to the curve.
64     return m_curve->apply(time - m_startTime, m_target);
65 }
66 
67 } // namespace blink
68