Remove mouse events from Sky

sky/engine/platform/scroll/ScrollAnimator.cpp

 /*
  * Copyright (c) 2010, Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 56 matching lines @@
     return true;
 }
 
 void ScrollAnimator::scrollToOffsetWithoutAnimation(const FloatPoint& offset)
 {
     m_currentPosX = offset.x();
     m_currentPosY = offset.y();
     notifyPositionChanged();
 }
 
-bool ScrollAnimator::handleWheelEvent(const PlatformWheelEvent& e)
-{
-    bool canScrollX = m_scrollableArea->userInputScrollable(HorizontalScrollbar);
-    bool canScrollY = m_scrollableArea->userInputScrollable(VerticalScrollbar);
-
-    // Accept the event if we are scrollable in that direction and can still
-    // scroll any further.
-    float deltaX = canScrollX ? e.deltaX() : 0;
-    float deltaY = canScrollY ? e.deltaY() : 0;
-
-    bool handled = false;
-
-    ScrollGranularity granularity = e.hasPreciseScrollingDeltas() ? ScrollByPrecisePixel : ScrollByPixel;
-
-    IntSize maxForwardScrollDelta = m_scrollableArea->maximumScrollPosition() - m_scrollableArea->scrollPosition();
-    IntSize maxBackwardScrollDelta = m_scrollableArea->scrollPosition() - m_scrollableArea->minimumScrollPosition();
-    if ((deltaX < 0 && maxForwardScrollDelta.width() > 0)
-        || (deltaX > 0 && maxBackwardScrollDelta.width() > 0)
-        || (deltaY < 0 && maxForwardScrollDelta.height() > 0)
-        || (deltaY > 0 && maxBackwardScrollDelta.height() > 0)) {
-        handled = true;
-
-        if (deltaY) {
-            if (e.granularity() == ScrollByPageWheelEvent) {
-                bool negative = deltaY < 0;
-                deltaY = m_scrollableArea->pageStep(VerticalScrollbar);
-                if (negative)
-                    deltaY = -deltaY;
-            }
-
-            scroll(VerticalScrollbar, granularity, m_scrollableArea->pixelStep(VerticalScrollbar), -deltaY);
-        }
-
-        if (deltaX) {
-            if (e.granularity() == ScrollByPageWheelEvent) {
-                bool negative = deltaX < 0;
-                deltaX = m_scrollableArea->pageStep(HorizontalScrollbar);
-                if (negative)
-                    deltaX = -deltaX;
-            }
-
-            scroll(HorizontalScrollbar, granularity, m_scrollableArea->pixelStep(HorizontalScrollbar), -deltaX);
-        }
-    }
-    return handled;
-}
-
 void ScrollAnimator::setCurrentPosition(const FloatPoint& position)
 {
     m_currentPosX = position.x();
     m_currentPosY = position.y();
 }
 
 FloatPoint ScrollAnimator::currentPosition() const
 {
     return FloatPoint(m_currentPosX, m_currentPosY);
 }
 
 void ScrollAnimator::notifyPositionChanged()
 {
     m_scrollableArea->setScrollOffsetFromAnimation(IntPoint(m_currentPosX, m_currentPosY));
 }
 
 float ScrollAnimator::clampScrollPosition(ScrollbarOrientation orientation, float pos)
 {
     float maxScrollPos = m_scrollableArea->maximumScrollPosition(orientation);
     float minScrollPos = m_scrollableArea->minimumScrollPosition(orientation);
     return std::max(std::min(pos, maxScrollPos), minScrollPos);
 }
 
 } // namespace blink