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 34 PassOwnPtr<WebActiveGestureAnimation> WebActiveGestureAnimation::createAtAnimationStart(PassOwnPtr<WebGestureCurve> curve, WebGestureCurveTarget* target) 35 { 36 return adoptPtr(new WebActiveGestureAnimation(curve, target, 0, true)); 37 } 38 39 PassOwnPtr<WebActiveGestureAnimation> WebActiveGestureAnimation::createWithTimeOffset(PassOwnPtr<WebGestureCurve> curve, WebGestureCurveTarget* target, double startTime) 40 { 41 return adoptPtr(new WebActiveGestureAnimation(curve, target, startTime, false)); 42 } 43 44 WebActiveGestureAnimation::~WebActiveGestureAnimation() 45 { 46 } 47 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 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
