Move GestureEvent to NewEventDispatcher

sky/engine/platform/PlatformGestureEvent.h

-/*
- * Copyright (C) 2011 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 COMPUTER, INC. ``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 COMPUTER, INC. OR
- * 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.
- */
-
-#ifndef SKY_ENGINE_PLATFORM_PLATFORMGESTUREEVENT_H_
-#define SKY_ENGINE_PLATFORM_PLATFORMGESTUREEVENT_H_
-
-#include <string.h>
-#include "sky/engine/platform/PlatformEvent.h"
-#include "sky/engine/platform/geometry/FloatPoint.h"
-#include "sky/engine/platform/geometry/IntPoint.h"
-#include "sky/engine/platform/geometry/IntSize.h"
-#include "sky/engine/wtf/Assertions.h"
-
-namespace blink {
-
-class PlatformGestureEvent : public PlatformEvent {
-public:
-    PlatformGestureEvent()
-        : PlatformEvent(PlatformEvent::GestureScrollBegin)
-    {
-        memset(&m_data, 0, sizeof(m_data));
-    }
-
-    PlatformGestureEvent(Type type, const IntPoint& position, const IntPoint& globalPosition, const IntSize& area, double timestamp, bool shiftKey, bool ctrlKey, bool altKey, bool metaKey, float deltaX, float deltaY, float velocityX, float velocityY)
-        : PlatformEvent(type, shiftKey, ctrlKey, altKey, metaKey, timestamp)
-        , m_position(position)
-        , m_globalPosition(globalPosition)
-        , m_area(area)
-    {
-        memset(&m_data, 0, sizeof(m_data));
-        if (type == PlatformEvent::GestureScrollBegin
-            || type == PlatformEvent::GestureScrollEnd
-            || type == PlatformEvent::GestureScrollUpdate
-            || type == PlatformEvent::GestureScrollUpdateWithoutPropagation) {
-            m_data.m_scrollUpdate.m_deltaX = deltaX;
-            m_data.m_scrollUpdate.m_deltaY = deltaY;
-            m_data.m_scrollUpdate.m_velocityX = velocityX;
-            m_data.m_scrollUpdate.m_velocityY = velocityY;
-        }
-    }
-
-    const IntPoint& position() const { return m_position; } // PlatformWindow coordinates.
-    const IntPoint& globalPosition() const { return m_globalPosition; } // Screen coordinates.
-
-    const IntSize& area() const { return m_area; }
-
-    float deltaX() const
-    {
-        ASSERT(m_type == PlatformEvent::GestureScrollUpdate
-            || m_type == PlatformEvent::GestureScrollUpdateWithoutPropagation);
-        return m_data.m_scrollUpdate.m_deltaX;
-    }
-
-    float deltaY() const
-    {
-        ASSERT(m_type == PlatformEvent::GestureScrollUpdate
-            || m_type == PlatformEvent::GestureScrollUpdateWithoutPropagation);
-        return m_data.m_scrollUpdate.m_deltaY;
-    }
-
-    int tapCount() const
-    {
-        ASSERT(m_type == PlatformEvent::GestureTap);
-        return m_data.m_tap.m_tapCount;
-    }
-
-    float velocityX() const
-    {
-        ASSERT(m_type == PlatformEvent::GestureScrollUpdate
-            || m_type == PlatformEvent::GestureScrollUpdateWithoutPropagation);
-        return m_data.m_scrollUpdate.m_velocityX;
-    }
-
-    float velocityY() const
-    {
-        ASSERT(m_type == PlatformEvent::GestureScrollUpdate
-            || m_type == PlatformEvent::GestureScrollUpdateWithoutPropagation);
-        return m_data.m_scrollUpdate.m_velocityY;
-    }
-
-    float scale() const
-    {
-        ASSERT(m_type == PlatformEvent::GesturePinchUpdate);
-        return m_data.m_pinchUpdate.m_scale;
-    }
-
-    bool isScrollEvent() const
-    {
-        switch (m_type) {
-        case GestureScrollBegin:
-        case GestureScrollEnd:
-        case GestureScrollUpdate:
-        case GestureScrollUpdateWithoutPropagation:
-        case GestureFlingStart:
-        case GesturePinchBegin:
-        case GesturePinchEnd:
-        case GesturePinchUpdate:
-            return true;
-        case GestureTap:
-        case GestureTapUnconfirmed:
-        case GestureTapDown:
-        case GestureShowPress:
-        case GestureTapDownCancel:
-        case GestureTwoFingerTap:
-        case GestureLongPress:
-        case GestureLongTap:
-            return false;
-        default:
-            ASSERT_NOT_REACHED();
-            return false;
-        }
-    }
-
-protected:
-    IntPoint m_position;
-    IntPoint m_globalPosition;
-    IntSize m_area;
-
-    union {
-        struct {
-            int m_tapCount;
-        } m_tap;
-
-        struct {
-            float m_deltaX;
-            float m_deltaY;
-            float m_velocityX;
-            float m_velocityY;
-        } m_scrollUpdate;
-
-        struct {
-            float m_scale;
-        } m_pinchUpdate;
-    } m_data;
-};
-
-} // namespace blink
-
-#endif  // SKY_ENGINE_PLATFORM_PLATFORMGESTUREEVENT_H_