/* * Copyright (C) 2018 Apple 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. */ #pragma once #if ENABLE(FULLSCREEN_API) && PLATFORM(IOS_FAMILY) #include <wtf/Seconds.h> namespace WebKit { class FullscreenTouchSecheuristic { public: double scoreOfNextTouch(CGPoint location); void reset(); void setRampUpSpeed(Seconds speed) { m_rampUpSpeed = speed; } void setRampDownSpeed(Seconds speed) { m_rampDownSpeed = speed; } void setXWeight(double weight) { m_xWeight = weight; } void setYWeight(double weight) { m_yWeight = weight; } void setSize(CGSize size) { m_size = size; } void setGamma(double gamma) { m_gamma = gamma; } void setGammaCutoff(double cutoff) { m_cutoff = cutoff; } private: double distanceScore(const CGPoint& nextLocation, const CGPoint& lastLocation, const Seconds& deltaTime); double attenuationFactor(Seconds delta); double m_weight { 0.1 }; Seconds m_rampUpSpeed { 1 }; Seconds m_rampDownSpeed { 1 }; double m_xWeight { 1 }; double m_yWeight { 1 }; double m_gamma { 1 }; double m_cutoff { 1 }; CGSize m_size { }; Seconds m_lastTouchTime { 0 }; CGPoint m_lastTouchLocation { }; double m_lastScore { 0 }; }; } #endif // ENABLE(FULLSCREEN_API) && PLATFORM(IOS_FAMILY)