1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74
|
/*
* 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 "platform/exported/WebActiveGestureAnimation.h"
#include "public/platform/WebGestureCurve.h"
#include "public/platform/WebGestureCurveTarget.h"
#include "wtf/PtrUtil.h"
#include <memory>
namespace blink {
std::unique_ptr<WebActiveGestureAnimation>
WebActiveGestureAnimation::createAtAnimationStart(
std::unique_ptr<WebGestureCurve> curve,
WebGestureCurveTarget* target) {
return WTF::wrapUnique(
new WebActiveGestureAnimation(std::move(curve), target, 0, true));
}
std::unique_ptr<WebActiveGestureAnimation>
WebActiveGestureAnimation::createWithTimeOffset(
std::unique_ptr<WebGestureCurve> curve,
WebGestureCurveTarget* target,
double startTime) {
return WTF::wrapUnique(new WebActiveGestureAnimation(std::move(curve), target,
startTime, false));
}
WebActiveGestureAnimation::~WebActiveGestureAnimation() {}
WebActiveGestureAnimation::WebActiveGestureAnimation(
std::unique_ptr<WebGestureCurve> curve,
WebGestureCurveTarget* target,
double startTime,
bool waitingForFirstTick)
: m_startTime(startTime),
m_waitingForFirstTick(waitingForFirstTick),
m_curve(std::move(curve)),
m_target(target) {}
bool WebActiveGestureAnimation::animate(double time) {
if (m_waitingForFirstTick) {
m_startTime = time;
m_waitingForFirstTick = false;
}
// All WebGestureCurves 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 blink
|