Refactoring button field and its type

third_party/WebKit/Source/core/editing/SelectionController.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2012 Digia Plc. and/or its subsidiary(-ies)
  * Copyright (C) 2015 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:
  * 1. Redistributions of source code must retain the above copyright
@@ skipping 390 matching lines @@
 bool SelectionController::handleMousePressEventDoubleClick(const MouseEventWithHitTestResults& event)
 {
     TRACE_EVENT0("blink", "SelectionController::handleMousePressEventDoubleClick");
 
     if (!selection().isAvailable())
         return false;
 
     if (!m_mouseDownAllowsMultiClick)
         return handleMousePressEventSingleClick(event);
 
-    if (event.event().button() != LeftButton)
+    if (event.event().pointerProperties().button != WebPointerProperties::Button::Left)
         return false;
 
     if (selection().isRange()) {
         // A double-click when range is already selected
         // should not change the selection.  So, do not call
         // selectClosestWordFromMouseEvent, but do set
         // m_beganSelectingText to prevent handleMouseReleaseEvent
         // from setting caret selection.
         m_selectionState = SelectionState::ExtendedSelection;
     } else {
         selectClosestWordFromMouseEvent(event);
     }
     return true;
 }
 
 bool SelectionController::handleMousePressEventTripleClick(const MouseEventWithHitTestResults& event)
 {
     TRACE_EVENT0("blink", "SelectionController::handleMousePressEventTripleClick");
 
     if (!selection().isAvailable()) {
         // editing/shadow/doubleclick-on-meter-in-shadow-crash.html reach here.
         return false;
     }
 
     if (!m_mouseDownAllowsMultiClick)
         return handleMousePressEventSingleClick(event);
 
-    if (event.event().button() != LeftButton)
+    if (event.event().pointerProperties().button != WebPointerProperties::Button::Left)
         return false;
 
     Node* innerNode = event.innerNode();
     if (!(innerNode && innerNode->layoutObject() && m_mouseDownMayStartSelect))
         return false;
 
     VisibleSelectionInFlatTree newSelection;
     const VisiblePositionInFlatTree& pos = visiblePositionOfHitTestResult(event.hitTestResult());
     if (pos.isNotNull()) {
         newSelection = VisibleSelectionInFlatTree(pos);
@@ skipping 57 matching lines @@
 
     bool handled = false;
     m_mouseDownMayStartSelect = false;
     // Clear the selection if the mouse didn't move after the last mouse
     // press and it's not a context menu click.  We do this so when clicking
     // on the selection, the selection goes away.  However, if we are
     // editing, place the caret.
     if (m_mouseDownWasSingleClickInSelection && m_selectionState != SelectionState::ExtendedSelection
         && dragStartPos == event.event().position()
         && selection().isRange()
-        && event.event().button() != RightButton) {
+        && event.event().pointerProperties().button != WebPointerProperties::Button::Right) {
         VisibleSelectionInFlatTree newSelection;
         Node* node = event.innerNode();
         bool caretBrowsing = m_frame->settings() && m_frame->settings()->caretBrowsingEnabled();
         if (node && node->layoutObject() && (caretBrowsing || hasEditableStyle(*node))) {
             const VisiblePositionInFlatTree pos = visiblePositionOfHitTestResult(event.hitTestResult());
             newSelection = VisibleSelectionInFlatTree(pos);
         }
 
         setSelectionIfNeeded(selection(), newSelection);
 
         handled = true;
     }
 
     selection().notifyLayoutObjectOfSelectionChange(UserTriggered);
 
     selection().selectFrameElementInParentIfFullySelected();
 
-    if (event.event().button() == MiddleButton && !event.isOverLink()) {
+    if (event.event().pointerProperties().button == WebPointerProperties::Button::Middle && !event.isOverLink()) {
         // Ignore handled, since we want to paste to where the caret was placed anyway.
         handled = handlePasteGlobalSelection(event.event()) || handled;
     }
 
     return handled;
 }
 
 bool SelectionController::handlePasteGlobalSelection(const PlatformMouseEvent& mouseEvent)
 {
     // If the event was a middle click, attempt to copy global selection in after
@@ skipping 126 matching lines @@
     return event.event().altKey() && event.isOverLink();
 }
 
 bool isExtendingSelection(const MouseEventWithHitTestResults& event)
 {
     bool isMouseDownOnLinkOrImage = event.isOverLink() || event.hitTestResult().image();
     return event.event().shiftKey() && !isMouseDownOnLinkOrImage;
 }
 
 } // namespace blink