| /* |
| * Copyright (C) 2010-2020 Apple Inc. All rights reserved. |
| * Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies) |
| * |
| * 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 |
| |
| #include "WebEvent.h" |
| #include <WebCore/IntPoint.h> |
| |
| namespace WebKit { |
| |
| #if ENABLE(TOUCH_EVENTS) |
| #if PLATFORM(IOS_FAMILY) |
| |
| // FIXME: Having "Platform" in the name makes it sound like this event is platform-specific or |
| // low-level in some way. That doesn't seem to be the case. |
| class WebPlatformTouchPoint { |
| public: |
| enum TouchPointState { |
| TouchReleased, |
| TouchPressed, |
| TouchMoved, |
| TouchStationary, |
| TouchCancelled |
| }; |
| |
| enum class TouchType { |
| Direct, |
| Stylus |
| }; |
| |
| WebPlatformTouchPoint() = default; |
| WebPlatformTouchPoint(unsigned identifier, WebCore::IntPoint location, TouchPointState phase) |
| : m_identifier(identifier) |
| , m_location(location) |
| , m_phase(phase) |
| { |
| } |
| |
| unsigned identifier() const { return m_identifier; } |
| WebCore::IntPoint location() const { return m_location; } |
| TouchPointState phase() const { return static_cast<TouchPointState>(m_phase); } |
| TouchPointState state() const { return phase(); } |
| |
| #if ENABLE(IOS_TOUCH_EVENTS) |
| void setRadiusX(double radiusX) { m_radiusX = radiusX; } |
| double radiusX() const { return m_radiusX; } |
| void setRadiusY(double radiusY) { m_radiusY = radiusY; } |
| double radiusY() const { return m_radiusY; } |
| void setRotationAngle(double rotationAngle) { m_rotationAngle = rotationAngle; } |
| double rotationAngle() const { return m_rotationAngle; } |
| void setForce(double force) { m_force = force; } |
| double force() const { return m_force; } |
| void setAltitudeAngle(double altitudeAngle) { m_altitudeAngle = altitudeAngle; } |
| double altitudeAngle() const { return m_altitudeAngle; } |
| void setAzimuthAngle(double azimuthAngle) { m_azimuthAngle = azimuthAngle; } |
| double azimuthAngle() const { return m_azimuthAngle; } |
| void setTouchType(TouchType touchType) { m_touchType = static_cast<uint32_t>(touchType); } |
| TouchType touchType() const { return static_cast<TouchType>(m_touchType); } |
| #endif |
| |
| void encode(IPC::Encoder&) const; |
| static std::optional<WebPlatformTouchPoint> decode(IPC::Decoder&); |
| |
| private: |
| unsigned m_identifier { 0 }; |
| WebCore::IntPoint m_location; |
| uint32_t m_phase { TouchReleased }; |
| #if ENABLE(IOS_TOUCH_EVENTS) |
| double m_radiusX { 0 }; |
| double m_radiusY { 0 }; |
| double m_rotationAngle { 0 }; |
| double m_force { 0 }; |
| double m_altitudeAngle { 0 }; |
| double m_azimuthAngle { 0 }; |
| uint32_t m_touchType { static_cast<uint32_t>(TouchType::Direct) }; |
| #endif |
| }; |
| |
| class WebTouchEvent : public WebEvent { |
| public: |
| WebTouchEvent() = default; |
| WebTouchEvent(WebEvent::Type type, OptionSet<Modifier> modifiers, WallTime timestamp, const Vector<WebPlatformTouchPoint>& touchPoints, WebCore::IntPoint position, bool isPotentialTap, bool isGesture, float gestureScale, float gestureRotation) |
| : WebEvent(type, modifiers, timestamp) |
| , m_touchPoints(touchPoints) |
| , m_position(position) |
| , m_canPreventNativeGestures(true) |
| , m_isPotentialTap(isPotentialTap) |
| , m_isGesture(isGesture) |
| , m_gestureScale(gestureScale) |
| , m_gestureRotation(gestureRotation) |
| { |
| ASSERT(type == TouchStart || type == TouchMove || type == TouchEnd || type == TouchCancel); |
| } |
| |
| const Vector<WebPlatformTouchPoint>& touchPoints() const { return m_touchPoints; } |
| |
| WebCore::IntPoint position() const { return m_position; } |
| |
| bool isPotentialTap() const { return m_isPotentialTap; } |
| |
| bool isGesture() const { return m_isGesture; } |
| float gestureScale() const { return m_gestureScale; } |
| float gestureRotation() const { return m_gestureRotation; } |
| |
| bool canPreventNativeGestures() const { return m_canPreventNativeGestures; } |
| void setCanPreventNativeGestures(bool canPreventNativeGestures) { m_canPreventNativeGestures = canPreventNativeGestures; } |
| |
| bool allTouchPointsAreReleased() const; |
| |
| void encode(IPC::Encoder&) const; |
| static WARN_UNUSED_RETURN bool decode(IPC::Decoder&, WebTouchEvent&); |
| |
| private: |
| Vector<WebPlatformTouchPoint> m_touchPoints; |
| |
| WebCore::IntPoint m_position; |
| bool m_canPreventNativeGestures { false }; |
| bool m_isPotentialTap { false }; |
| bool m_isGesture { false }; |
| float m_gestureScale { 0 }; |
| float m_gestureRotation { 0 }; |
| }; |
| |
| #else // !PLATFORM(IOS_FAMILY) |
| |
| class WebPlatformTouchPoint { |
| public: |
| enum TouchPointState { |
| TouchReleased, |
| TouchPressed, |
| TouchMoved, |
| TouchStationary, |
| TouchCancelled |
| }; |
| |
| WebPlatformTouchPoint() |
| : m_rotationAngle(0.0), m_force(0.0) { } |
| |
| WebPlatformTouchPoint(uint32_t id, TouchPointState, const WebCore::IntPoint& screenPosition, const WebCore::IntPoint& position); |
| |
| WebPlatformTouchPoint(uint32_t id, TouchPointState, const WebCore::IntPoint& screenPosition, const WebCore::IntPoint& position, const WebCore::IntSize& radius, float rotationAngle = 0.0, float force = 0.0); |
| |
| uint32_t id() const { return m_id; } |
| TouchPointState state() const { return static_cast<TouchPointState>(m_state); } |
| |
| const WebCore::IntPoint& screenPosition() const { return m_screenPosition; } |
| const WebCore::IntPoint& position() const { return m_position; } |
| const WebCore::IntSize& radius() const { return m_radius; } |
| float rotationAngle() const { return m_rotationAngle; } |
| float force() const { return m_force; } |
| |
| void setState(TouchPointState state) { m_state = state; } |
| |
| void encode(IPC::Encoder&) const; |
| static std::optional<WebPlatformTouchPoint> decode(IPC::Decoder&); |
| |
| private: |
| uint32_t m_id; |
| uint32_t m_state; |
| WebCore::IntPoint m_screenPosition; |
| WebCore::IntPoint m_position; |
| WebCore::IntSize m_radius; |
| float m_rotationAngle; |
| float m_force; |
| }; |
| |
| class WebTouchEvent : public WebEvent { |
| public: |
| WebTouchEvent() { } |
| WebTouchEvent(Type, Vector<WebPlatformTouchPoint>&&, OptionSet<Modifier>, WallTime timestamp); |
| |
| const Vector<WebPlatformTouchPoint>& touchPoints() const { return m_touchPoints; } |
| |
| bool allTouchPointsAreReleased() const; |
| |
| void encode(IPC::Encoder&) const; |
| static WARN_UNUSED_RETURN bool decode(IPC::Decoder&, WebTouchEvent&); |
| |
| private: |
| static bool isTouchEventType(Type); |
| |
| Vector<WebPlatformTouchPoint> m_touchPoints; |
| }; |
| |
| #endif // PLATFORM(IOS_FAMILY) |
| #endif // ENABLE(TOUCH_EVENTS) |
| |
| } // namespace WebKit |