| /* |
| * 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 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 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 "ActivePlatformGestureAnimation.h" |
| |
| #include "PlatformGestureCurve.h" |
| #include "PlatformGestureCurveTarget.h" |
| |
| #if PLATFORM(CHROMIUM) |
| #include "TraceEvent.h" |
| #endif |
| |
| namespace WebCore { |
| |
| PassOwnPtr<ActivePlatformGestureAnimation> ActivePlatformGestureAnimation::create(PassOwnPtr<PlatformGestureCurve> curve, PlatformGestureCurveTarget* target) |
| { |
| return adoptPtr(new ActivePlatformGestureAnimation(curve, target)); |
| } |
| |
| PassOwnPtr<ActivePlatformGestureAnimation> ActivePlatformGestureAnimation::create(PassOwnPtr<PlatformGestureCurve> curve, PlatformGestureCurveTarget* target, double startTime) |
| { |
| return adoptPtr(new ActivePlatformGestureAnimation(curve, target, startTime)); |
| } |
| |
| ActivePlatformGestureAnimation::~ActivePlatformGestureAnimation() |
| { |
| #if PLATFORM(CHROMIUM) |
| TRACE_EVENT_ASYNC_END0("input", "GestureAnimation", this); |
| #endif |
| } |
| |
| ActivePlatformGestureAnimation::ActivePlatformGestureAnimation(PassOwnPtr<PlatformGestureCurve> curve, PlatformGestureCurveTarget* target) |
| : m_startTime(0) |
| , m_waitingForFirstTick(true) |
| , m_curve(curve) |
| , m_target(target) |
| { |
| #if PLATFORM(CHROMIUM) |
| TRACE_EVENT_ASYNC_BEGIN1("input", "GestureAnimation", this, "curve", m_curve->debugName()); |
| #endif |
| } |
| |
| ActivePlatformGestureAnimation::ActivePlatformGestureAnimation(PassOwnPtr<PlatformGestureCurve> curve, PlatformGestureCurveTarget* target, double startTime) |
| : m_startTime(startTime) |
| , m_waitingForFirstTick(false) |
| , m_curve(curve) |
| , m_target(target) |
| { |
| #if PLATFORM(CHROMIUM) |
| TRACE_EVENT_ASYNC_BEGIN1("input", "GestureAnimation", this, "curve", m_curve->debugName()); |
| #endif |
| } |
| |
| bool ActivePlatformGestureAnimation::animate(double time) |
| { |
| if (m_waitingForFirstTick) { |
| m_startTime = time; |
| m_waitingForFirstTick = false; |
| } |
| // All PlatformGestureCurves assume zero-based time, so we subtract |
| // the animation start time before passing to the curve. |
| return m_curve->apply(time - m_startTime, m_target); |
| } |
| |
| } // namespace WebCore |