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68 lines
2.7 KiB
C++
68 lines
2.7 KiB
C++
/*
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* Copyright (C) 2012 Google Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "platform/exported/WebActiveGestureAnimation.h"
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#include "public/platform/WebGestureCurve.h"
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#include "public/platform/WebGestureCurveTarget.h"
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namespace blink {
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PassOwnPtr<WebActiveGestureAnimation> WebActiveGestureAnimation::createAtAnimationStart(PassOwnPtr<WebGestureCurve> curve, WebGestureCurveTarget* target)
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{
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return adoptPtr(new WebActiveGestureAnimation(curve, target, 0, true));
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}
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PassOwnPtr<WebActiveGestureAnimation> WebActiveGestureAnimation::createWithTimeOffset(PassOwnPtr<WebGestureCurve> curve, WebGestureCurveTarget* target, double startTime)
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{
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return adoptPtr(new WebActiveGestureAnimation(curve, target, startTime, false));
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}
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WebActiveGestureAnimation::~WebActiveGestureAnimation()
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{
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}
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WebActiveGestureAnimation::WebActiveGestureAnimation(PassOwnPtr<WebGestureCurve> curve, WebGestureCurveTarget* target, double startTime, bool waitingForFirstTick)
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: m_startTime(startTime)
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, m_waitingForFirstTick(waitingForFirstTick)
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, m_curve(curve)
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, m_target(target)
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{
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}
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bool WebActiveGestureAnimation::animate(double time)
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{
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if (m_waitingForFirstTick) {
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m_startTime = time;
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m_waitingForFirstTick = false;
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}
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// All WebGestureCurves assume zero-based time, so we subtract
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// the animation start time before passing to the curve.
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return m_curve->apply(time - m_startTime, m_target);
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}
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} // namespace blink
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