Remove PlatformMouseEvent and use WebMouseEvent instead

third_party/WebKit/Source/platform/scroll/Scrollbar.cpp

 /*
  * Copyright (C) 2004, 2006, 2008 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.
  */
 
 #include "platform/scroll/Scrollbar.h"
 
 #include <algorithm>
 #include "platform/HostWindow.h"
-#include "platform/PlatformMouseEvent.h"
 #include "platform/geometry/FloatRect.h"
 #include "platform/graphics/paint/CullRect.h"
 #include "platform/scroll/ScrollAnimatorBase.h"
 #include "platform/scroll/ScrollableArea.h"
 #include "platform/scroll/ScrollbarTheme.h"
 #include "public/platform/WebGestureEvent.h"
+#include "public/platform/WebMouseEvent.h"
 
 namespace blink {
 
 Scrollbar::Scrollbar(ScrollableArea* scrollableArea,
                      ScrollbarOrientation orientation,
                      ScrollbarControlSize controlSize,
                      HostWindow* hostWindow,
                      ScrollbarTheme* theme)
     : m_scrollableArea(scrollableArea),
       m_orientation(orientation),
@@ skipping 364 matching lines @@
       m_pressedPos = 0;
       setPressedPart(NoPart);
       return false;
     }
     default:
       // By default, we assume that gestures don't deselect the scrollbar.
       return true;
   }
 }
 
-void Scrollbar::mouseMoved(const PlatformMouseEvent& evt) {
+void Scrollbar::mouseMoved(const WebMouseEvent& evt) {
+  IntPoint position = flooredIntPoint(evt.positionInRootFrame());
   if (m_pressedPart == ThumbPart) {
     if (theme().shouldSnapBackToDragOrigin(*this, evt)) {
       if (m_scrollableArea) {
         m_scrollableArea->setScrollOffsetSingleAxis(
             m_orientation,
             m_dragOrigin + m_scrollableArea->minimumScrollOffset(m_orientation),
             UserScroll);
       }
     } else {
       moveThumb(m_orientation == HorizontalScrollbar
-                    ? convertFromRootFrame(evt.position()).x()
-                    : convertFromRootFrame(evt.position()).y(),
+                    ? convertFromRootFrame(position).x()
+                    : convertFromRootFrame(position).y(),
                 theme().shouldDragDocumentInsteadOfThumb(*this, evt));
     }
     return;
   }
 
-  if (m_pressedPart != NoPart)
+  if (m_pressedPart != NoPart) {
     m_pressedPos = orientation() == HorizontalScrollbar
-                       ? convertFromRootFrame(evt.position()).x()
-                       : convertFromRootFrame(evt.position()).y();
+                       ? convertFromRootFrame(position).x()
+                       : convertFromRootFrame(position).y();
+  }
 
-  ScrollbarPart part = theme().hitTest(*this, evt.position());
+  ScrollbarPart part = theme().hitTest(*this, position);
   if (part != m_hoveredPart) {
     if (m_pressedPart != NoPart) {
       if (part == m_pressedPart) {
         // The mouse is moving back over the pressed part.  We
         // need to start up the timer action again.
         startTimerIfNeeded(theme().autoscrollTimerDelay());
       } else if (m_hoveredPart == m_pressedPart) {
         // The mouse is leaving the pressed part.  Kill our timer
         // if needed.
         stopTimerIfNeeded();
@@ skipping 10 matching lines @@
   if (m_scrollableArea)
     m_scrollableArea->mouseEnteredScrollbar(*this);
 }
 
 void Scrollbar::mouseExited() {
   if (m_scrollableArea)
     m_scrollableArea->mouseExitedScrollbar(*this);
   setHoveredPart(NoPart);
 }
 
-void Scrollbar::mouseUp(const PlatformMouseEvent& mouseEvent) {
+void Scrollbar::mouseUp(const WebMouseEvent& mouseEvent) {
   bool isCaptured = m_pressedPart == ThumbPart;
   setPressedPart(NoPart);
   m_pressedPos = 0;
   m_draggingDocument = false;
   stopTimerIfNeeded();
 
   if (m_scrollableArea) {
     if (isCaptured)
       m_scrollableArea->mouseReleasedScrollbar();
 
-    ScrollbarPart part = theme().hitTest(*this, mouseEvent.position());
+    ScrollbarPart part = theme().hitTest(
+        *this, flooredIntPoint(mouseEvent.positionInRootFrame()));
     if (part == NoPart) {
       setHoveredPart(NoPart);
       m_scrollableArea->mouseExitedScrollbar(*this);
     }
   }
 }
 
-void Scrollbar::mouseDown(const PlatformMouseEvent& evt) {
+void Scrollbar::mouseDown(const WebMouseEvent& evt) {
   // Early exit for right click
-  if (evt.pointerProperties().button == WebPointerProperties::Button::Right)
+  if (evt.button == WebPointerProperties::Button::Right)
     return;
 
-  setPressedPart(theme().hitTest(*this, evt.position()));
+  IntPoint position = flooredIntPoint(evt.positionInRootFrame());
+  setPressedPart(theme().hitTest(*this, position));
   int pressedPos = orientation() == HorizontalScrollbar
-                       ? convertFromRootFrame(evt.position()).x()
-                       : convertFromRootFrame(evt.position()).y();
+                       ? convertFromRootFrame(position).x()
+                       : convertFromRootFrame(position).y();
 
   if ((m_pressedPart == BackTrackPart || m_pressedPart == ForwardTrackPart) &&
       theme().shouldCenterOnThumb(*this, evt)) {
     setHoveredPart(ThumbPart);
     setPressedPart(ThumbPart);
     m_dragOrigin = m_currentPos;
     int thumbLen = theme().thumbLength(*this);
     int desiredPos = pressedPos;
     // Set the pressed position to the middle of the thumb so that when we do
     // the move, the delta will be from the current pixel position of the thumb
@@ skipping 122 matching lines @@
     invalidParts = AllParts;
   if (invalidParts & ~ThumbPart)
     m_trackNeedsRepaint = true;
   if (invalidParts & ThumbPart)
     m_thumbNeedsRepaint = true;
   if (m_scrollableArea)
     m_scrollableArea->setScrollbarNeedsPaintInvalidation(orientation());
 }
 
 }  // namespace blink