Devtools[LayoutEditor]: show resizer cursor over anchors

Source/web/ChromeClientImpl.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  *
  * 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.
@@ skipping 100 matching lines @@
 
 // Converts a AXObjectCache::AXNotification to a WebAXEvent
 static WebAXEvent toWebAXEvent(AXObjectCache::AXNotification notification)
 {
     // These enums have the same values; enforced in AssertMatchingEnums.cpp.
     return static_cast<WebAXEvent>(notification);
 }
 
 ChromeClientImpl::ChromeClientImpl(WebViewImpl* webView)
     : m_webView(webView)
+    , m_overrideCursor(nullptr)
 {
 }
 
 ChromeClientImpl::~ChromeClientImpl()
 {
 }
 
 PassOwnPtrWillBeRawPtr<ChromeClientImpl> ChromeClientImpl::create(WebViewImpl* webView)
 {
     return adoptPtrWillBeNoop(new ChromeClientImpl(webView));
@@ skipping 522 matching lines @@
 }
 
 Cursor ChromeClientImpl::lastSetCursorForTesting() const
 {
     return m_lastSetMouseCursorForTesting;
 }
 
 void ChromeClientImpl::setCursor(const Cursor& cursor)
 {
     m_lastSetMouseCursorForTesting = cursor;
-    setCursor(WebCursorInfo(cursor));
+    if (!m_overrideCursor)
+        setCursor(WebCursorInfo(cursor));
 }
 
 void ChromeClientImpl::setCursor(const WebCursorInfo& cursor)
 {
 #if OS(MACOSX)
     // On Mac the mousemove event propagates to both the popup and main window.
     // If a popup is open we don't want the main window to change the cursor.
     if (m_webView->hasOpenedPopup())
         return;
 #endif
     if (m_webView->client())
         m_webView->client()->didChangeCursor(cursor);
 }
 
 void ChromeClientImpl::setCursorForPlugin(const WebCursorInfo& cursor)
 {
     setCursor(cursor);
 }
 
+void ChromeClientImpl::setCursorOverride(PassOwnPtr<Cursor> cursor)
+{
+    m_overrideCursor = cursor;
+    if (m_overrideCursor)

[pfeldman, 2015/08/26 21:08:42]

Why is this here? You should have stored exiting cursor?

+        setCursor(WebCursorInfo(*m_overrideCursor.get()));
+    else
+        setCursor(WebCursorInfo(pointerCursor()));
+}
+
 void ChromeClientImpl::postAccessibilityNotification(AXObject* obj, AXObjectCache::AXNotification notification)
 {
     // Alert assistive technology about the accessibility object notification.
     if (!obj || !obj->document())
         return;
 
     WebLocalFrameImpl* webframe = WebLocalFrameImpl::fromFrame(obj->document()->axObjectCacheOwner().frame());
     if (webframe && webframe->client())
         webframe->client()->postAccessibilityEvent(WebAXObject(obj), toWebAXEvent(notification));
 }
@@ skipping 295 matching lines @@
     for (const auto& observer : observers)
         observer->willOpenPopup();
 }
 
 FloatSize ChromeClientImpl::elasticOverscroll() const
 {
     return m_webView->elasticOverscroll();
 }
 
 } // namespace blink