Drag-and-drop: dragSourceEndedAt, dragSourceSystemDragEnded

third_party/WebKit/Source/web/WebFrameWidgetBase.cpp

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "web/WebFrameWidgetBase.h"
 
 #include "core/frame/FrameHost.h"
 #include "core/frame/VisualViewport.h"
+#include "core/input/EventHandler.h"
 #include "core/page/DragActions.h"
 #include "core/page/DragController.h"
 #include "core/page/DragData.h"
 #include "core/page/DragSession.h"
 #include "core/page/Page.h"
 #include "public/web/WebAutofillClient.h"
 #include "public/web/WebDocument.h"
 #include "web/WebLocalFrameImpl.h"
 #include "web/WebViewImpl.h"
 
@@ skipping 65 matching lines @@
   m_currentDragData->setModifiers(modifiers);
   DragData dragData(m_currentDragData.get(), pointInRootFrame, screenPoint,
                     static_cast<DragOperation>(m_operationsAllowed));
 
   page()->dragController().performDrag(&dragData);
 
   m_dragOperation = WebDragOperationNone;
   m_currentDragData = nullptr;
 }
 
+void WebFrameWidgetBase::dragSourceEndedAt(const WebPoint& pointInViewport,
+                                           const WebPoint& screenPoint,
+                                           WebDragOperation operation) {
+  WebPoint pointInRootFrame(
+      page()->frameHost().visualViewport().viewportToRootFrame(
+          pointInViewport));
+  PlatformMouseEvent pme(
+      pointInRootFrame, screenPoint, WebPointerProperties::Button::Left,
+      PlatformEvent::MouseMoved, 0, PlatformEvent::NoModifiers,
+      PlatformMouseEvent::RealOrIndistinguishable,
+      WTF::monotonicallyIncreasingTime());
+  page()->deprecatedLocalMainFrame()->eventHandler().dragSourceEndedAt(
+      pme, static_cast<DragOperation>(operation));
+}
+
+void WebFrameWidgetBase::dragSourceSystemDragEnded() {
+  // It's possible for us to get this callback while not doing a drag if it's
+  // from a previous page that got unloaded.
+  if (view()->doingDragAndDrop()) {
+    page()->dragController().dragEnded();
+    view()->setDoingDragAndDrop(false);
+  }
+}
+
 WebDragOperation WebFrameWidgetBase::dragTargetDragEnterOrOver(
     const WebPoint& pointInViewport,
     const WebPoint& screenPoint,
     DragAction dragAction,
     int modifiers) {
   DCHECK(m_currentDragData);
 
   WebPoint pointInRootFrame(viewportToRootFrame(pointInViewport));
 
   m_currentDragData->setModifiers(modifiers);
@@ skipping 23 matching lines @@
 
 WebViewImpl* WebFrameWidgetBase::view() const {
   return static_cast<WebLocalFrameImpl*>(localRoot())->viewImpl();
 }
 
 Page* WebFrameWidgetBase::page() const {
   return view()->page();
 }
 
 }  // namespace blink