Remove PlatformGestureEvent in favour of using WebGestureEvent

third_party/WebKit/Source/platform/PlatformGestureEvent.h

Index: third_party/WebKit/Source/platform/PlatformGestureEvent.h
diff --git a/third_party/WebKit/Source/platform/PlatformGestureEvent.h b/third_party/WebKit/Source/platform/PlatformGestureEvent.h
deleted file mode 100644
index bdc5596982bb803b37be57e8b3b2e8d0a95c8955..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/platform/PlatformGestureEvent.h
+++ /dev/null
@@ -1,255 +0,0 @@
-/*
- * 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 PlatformGestureEvent_h
-#define PlatformGestureEvent_h
-
-#include "platform/PlatformEvent.h"
-#include "platform/geometry/FloatPoint.h"
-#include "platform/geometry/IntPoint.h"
-#include "platform/geometry/IntSize.h"
-#include "platform/scroll/ScrollTypes.h"
-#include "wtf/Assertions.h"
-#include <string.h>
-
-namespace blink {
-
-enum PlatformGestureSource {
-  PlatformGestureSourceUninitialized,
-  PlatformGestureSourceTouchpad,
-  PlatformGestureSourceTouchscreen
-};
-
-class PlatformGestureEvent : public PlatformEvent {
- public:
-  PlatformGestureEvent()
-      : PlatformEvent(PlatformEvent::GestureScrollBegin),
-        m_source(PlatformGestureSourceUninitialized) {
-    memset(&m_data, 0, sizeof(m_data));
-  }
-
-  PlatformGestureEvent(EventType type,
-                       const IntPoint& position,
-                       const IntPoint& globalPosition,
-                       const IntSize& area,
-                       TimeTicks timestamp,
-                       PlatformEvent::Modifiers modifiers,
-                       PlatformGestureSource source)
-      : PlatformEvent(type, modifiers, timestamp),
-        m_position(position),
-        m_globalPosition(globalPosition),
-        m_area(area),
-        m_source(source) {
-    memset(&m_data, 0, sizeof(m_data));
-  }
-
-  void setScrollGestureData(float deltaX,
-                            float deltaY,
-                            ScrollGranularity deltaUnits,
-                            float velocityX,
-                            float velocityY,
-                            ScrollInertialPhase inertialPhase,
-                            bool preventPropagation,
-                            int resendingPluginId) {
-    ASSERT(type() == PlatformEvent::GestureScrollBegin ||
-           type() == PlatformEvent::GestureScrollUpdate ||
-           type() == PlatformEvent::GestureScrollEnd);
-    if (type() != GestureScrollUpdate) {
-      ASSERT(deltaX == 0);
-      ASSERT(deltaY == 0);
-      ASSERT(velocityX == 0);
-      ASSERT(velocityY == 0);
-      ASSERT(!preventPropagation);
-    }
-
-    if (type() == PlatformEvent::GestureScrollBegin)
-      DCHECK_NE(ScrollInertialPhaseMomentum, inertialPhase);
-
-    m_data.m_scroll.m_deltaX = deltaX;
-    m_data.m_scroll.m_deltaY = deltaY;
-    m_data.m_scroll.m_deltaUnits = deltaUnits;
-    m_data.m_scroll.m_velocityX = velocityX;
-    m_data.m_scroll.m_velocityY = velocityY;
-    m_data.m_scroll.m_inertialPhase = inertialPhase;
-    m_data.m_scroll.m_resendingPluginId = resendingPluginId;
-    m_data.m_scroll.m_preventPropagation = preventPropagation;
-  }
-
-  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; }
-
-  PlatformGestureSource source() const { return m_source; }
-
-  float deltaX() const {
-    ASSERT(m_type == PlatformEvent::GestureScrollBegin ||
-           m_type == PlatformEvent::GestureScrollUpdate);
-    return m_data.m_scroll.m_deltaX;
-  }
-
-  float deltaY() const {
-    ASSERT(m_type == PlatformEvent::GestureScrollBegin ||
-           m_type == PlatformEvent::GestureScrollUpdate);
-    return m_data.m_scroll.m_deltaY;
-  }
-
-  ScrollGranularity deltaUnits() const {
-    ASSERT(m_type == PlatformEvent::GestureScrollBegin ||
-           m_type == PlatformEvent::GestureScrollUpdate ||
-           m_type == PlatformEvent::GestureScrollEnd);
-    return m_data.m_scroll.m_deltaUnits;
-  }
-
-  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::GestureFlingStart);
-    return m_data.m_scroll.m_velocityX;
-  }
-
-  float velocityY() const {
-    ASSERT(m_type == PlatformEvent::GestureScrollUpdate ||
-           m_type == PlatformEvent::GestureFlingStart);
-    return m_data.m_scroll.m_velocityY;
-  }
-
-  ScrollInertialPhase inertialPhase() const {
-    ASSERT(m_type == PlatformEvent::GestureScrollBegin ||
-           m_type == PlatformEvent::GestureScrollUpdate ||
-           m_type == PlatformEvent::GestureScrollEnd);
-    return m_data.m_scroll.m_inertialPhase;
-  }
-
-  bool synthetic() const {
-    ASSERT(m_type == PlatformEvent::GestureScrollBegin ||
-           m_type == PlatformEvent::GestureScrollEnd);
-    return m_data.m_scroll.m_synthetic;
-  }
-
-  int resendingPluginId() const {
-    if (m_type == PlatformEvent::GestureScrollUpdate ||
-        m_type == PlatformEvent::GestureScrollBegin ||
-        m_type == PlatformEvent::GestureScrollEnd)
-      return m_data.m_scroll.m_resendingPluginId;
-
-    // This function is called by *all* gesture event types in
-    // GestureEvent::Create(), so we return -1 for all other types.
-    return -1;
-  }
-
-  bool preventPropagation() const {
-    // TODO(tdresser) Once we've decided if we're getting rid of scroll
-    // chaining, we should remove all scroll chaining related logic. See
-    // crbug.com/526462 for details.
-    ASSERT(m_type == PlatformEvent::GestureScrollUpdate);
-    return true;
-  }
-
-  float scale() const {
-    ASSERT(m_type == PlatformEvent::GesturePinchUpdate);
-    return m_data.m_pinchUpdate.m_scale;
-  }
-
-  void applyTouchAdjustment(const IntPoint& adjustedPosition) {
-    // Update the window-relative position of the event so that the node that
-    // was ultimately hit is under this point (i.e. elementFromPoint for the
-    // client co-ordinates in a 'click' event should yield the target). The
-    // global position is intentionally left unmodified because it's intended to
-    // reflect raw co-ordinates unrelated to any content.
-    m_position = adjustedPosition;
-  }
-
-  bool isScrollEvent() const {
-    switch (m_type) {
-      case GestureScrollBegin:
-      case GestureScrollEnd:
-      case GestureScrollUpdate:
-      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;
-    }
-  }
-
-  uint32_t uniqueTouchEventId() const { return m_uniqueTouchEventId; }
-
- protected:
-  IntPoint m_position;
-  IntPoint m_globalPosition;
-  IntSize m_area;
-  PlatformGestureSource m_source;
-
-  union {
-    struct {
-      int m_tapCount;
-    } m_tap;
-
-    struct {
-      // |m_deltaX| and |m_deltaY| represent deltas in GSU but
-      // are only hints in GSB.
-      float m_deltaX;
-      float m_deltaY;
-      float m_velocityX;
-      float m_velocityY;
-      int m_preventPropagation;
-      ScrollInertialPhase m_inertialPhase;
-      ScrollGranularity m_deltaUnits;
-      int m_resendingPluginId;
-      bool m_synthetic;
-    } m_scroll;
-
-    struct {
-      float m_scale;
-    } m_pinchUpdate;
-  } m_data;
-
-  uint32_t m_uniqueTouchEventId;
-};
-
-}  // namespace blink
-
-#endif  // PlatformGestureEvent_h