/* * Copyright (C) 2012 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. */ #include "config.h" #include "cc/CCActiveGestureAnimation.h" #include "TraceEvent.h" #include "cc/CCGestureCurve.h" namespace WebCore { PassOwnPtr<CCActiveGestureAnimation> CCActiveGestureAnimation::create(PassOwnPtr<CCGestureCurve> curve, CCGestureCurveTarget* target) { return adoptPtr(new CCActiveGestureAnimation(curve, target)); } CCActiveGestureAnimation::CCActiveGestureAnimation(PassOwnPtr<CCGestureCurve> curve, CCGestureCurveTarget* target) : m_startTime(0) , m_waitingForFirstTick(true) , m_gestureCurve(curve) , m_gestureCurveTarget(target) { TRACE_EVENT_ASYNC_BEGIN1("input", "GestureAnimation", this, "curve", m_gestureCurve->debugName()); } CCActiveGestureAnimation::~CCActiveGestureAnimation() { TRACE_EVENT_ASYNC_END0("input", "GestureAnimation", this); } bool CCActiveGestureAnimation::animate(double monotonicTime) { if (m_waitingForFirstTick) { m_startTime = monotonicTime; m_waitingForFirstTick = false; } // CCGestureCurves used zero-based time, so subtract start-time. return m_gestureCurve->apply(monotonicTime - m_startTime, m_gestureCurveTarget); } } // namespace WebCore