Convert drag event position to root frame.

third_party/WebKit/Source/web/WebViewImpl.cpp

 /*
  * Copyright (C) 2011, 2012 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 3625 matching lines @@
 
 HitTestResult WebViewImpl::coreHitTestResultAt(const WebPoint& pointInViewport)
 {
     DocumentLifecycle::AllowThrottlingScope throttlingScope(mainFrameImpl()->frame()->document()->lifecycle());
     FrameView* view = mainFrameImpl()->frameView();
     IntPoint pointInRootFrame = view->contentsToFrame(view->viewportToContents(pointInViewport));
     return hitTestResultForRootFramePos(pointInRootFrame);
 }
 
 void WebViewImpl::dragSourceEndedAt(
-    const WebPoint& clientPoint,
+    const WebPoint& pointInViewport,
     const WebPoint& screenPoint,
     WebDragOperation operation)
 {
-    PlatformMouseEvent pme(clientPoint, screenPoint, WebPointerProperties::Button::Left, PlatformEvent::MouseMoved,
+    WebPoint pointInRootFrame(page()->frameHost().visualViewport().viewportToRootFrame(pointInViewport));
+    PlatformMouseEvent pme(pointInRootFrame, screenPoint, WebPointerProperties::Button::Left, PlatformEvent::MouseMoved,
         0, PlatformEvent::NoModifiers, PlatformMouseEvent::RealOrIndistinguishable, WTF::monotonicallyIncreasingTime());
     m_page->deprecatedLocalMainFrame()->eventHandler().dragSourceEndedAt(pme,
         static_cast<DragOperation>(operation));
 }
 
 void WebViewImpl::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 (m_doingDragAndDrop) {
         m_page->dragController().dragEnded();
         m_doingDragAndDrop = false;
     }
 }
 
 WebDragOperation WebViewImpl::dragTargetDragEnter(
     const WebDragData& webDragData,
-    const WebPoint& clientPoint,
+    const WebPoint& pointInViewport,
     const WebPoint& screenPoint,
     WebDragOperationsMask operationsAllowed,
     int modifiers)
 {
     DCHECK(!m_currentDragData);
 
     m_currentDragData = DataObject::create(webDragData);
     m_operationsAllowed = operationsAllowed;
 
-    return dragTargetDragEnterOrOver(clientPoint, screenPoint, DragEnter, modifiers);
+    return dragTargetDragEnterOrOver(pointInViewport, screenPoint, DragEnter, modifiers);
 }
 
 WebDragOperation WebViewImpl::dragTargetDragOver(
-    const WebPoint& clientPoint,
+    const WebPoint& pointInViewport,
     const WebPoint& screenPoint,
     WebDragOperationsMask operationsAllowed,
     int modifiers)
 {
     m_operationsAllowed = operationsAllowed;
 
-    return dragTargetDragEnterOrOver(clientPoint, screenPoint, DragOver, modifiers);
+    return dragTargetDragEnterOrOver(pointInViewport, screenPoint, DragOver, modifiers);
 }
 
 void WebViewImpl::dragTargetDragLeave()
 {
     DCHECK(m_currentDragData);
 
     DragData dragData(
         m_currentDragData.get(),
         IntPoint(),
         IntPoint(),
         static_cast<DragOperation>(m_operationsAllowed));
 
     m_page->dragController().dragExited(&dragData);
 
     // FIXME: why is the drag scroll timer not stopped here?
 
     m_dragOperation = WebDragOperationNone;
     m_currentDragData = nullptr;
 }
 
-void WebViewImpl::dragTargetDrop(const WebDragData& webDragData, const WebPoint& clientPoint,
+void WebViewImpl::dragTargetDrop(const WebDragData& webDragData, const WebPoint& pointInViewport,
     const WebPoint& screenPoint,
     int modifiers)
 {
+    WebPoint pointInRootFrame(page()->frameHost().visualViewport().viewportToRootFrame(pointInViewport));
+
     DCHECK(m_currentDragData);
     m_currentDragData = DataObject::create(webDragData);
 
     WebAutofillClient* autofillClient = mainFrameImpl() ? mainFrameImpl()->autofillClient() : 0;
     UserGestureNotifier notifier(autofillClient, &m_userGestureObserved);
 
     // If this webview transitions from the "drop accepting" state to the "not
     // accepting" state, then our IPC message reply indicating that may be in-
     // flight, or else delayed by javascript processing in this webview.  If a
     // drop happens before our IPC reply has reached the browser process, then
     // the browser forwards the drop to this webview.  So only allow a drop to
     // proceed if our webview m_dragOperation state is not DragOperationNone.
 
     if (m_dragOperation == WebDragOperationNone) { // IPC RACE CONDITION: do not allow this drop.
         dragTargetDragLeave();
         return;
     }
 
     m_currentDragData->setModifiers(modifiers);
     DragData dragData(
         m_currentDragData.get(),
-        clientPoint,
+        pointInRootFrame,
         screenPoint,
         static_cast<DragOperation>(m_operationsAllowed));
 
     UserGestureIndicator gesture(DefinitelyProcessingNewUserGesture);
     m_page->dragController().performDrag(&dragData);
 
     m_dragOperation = WebDragOperationNone;
     m_currentDragData = nullptr;
 }
 
@@ skipping 14 matching lines @@
 {
     Vector<String> convertedWords;
     convertedWords.append(words.data(), words.size());
 
     for (Frame* frame = m_page->mainFrame(); frame; frame = frame->tree().traverseNext()) {
         if (frame->isLocalFrame())
             toLocalFrame(frame)->removeSpellingMarkersUnderWords(convertedWords);
     }
 }
 
-WebDragOperation WebViewImpl::dragTargetDragEnterOrOver(const WebPoint& clientPoint, const WebPoint& screenPoint, DragAction dragAction, int modifiers)
+WebDragOperation WebViewImpl::dragTargetDragEnterOrOver(const WebPoint& pointInViewport, const WebPoint& screenPoint, DragAction dragAction, int modifiers)
 {
     DCHECK(m_currentDragData);
+    WebPoint pointInRootFrame(page()->frameHost().visualViewport().viewportToRootFrame(pointInViewport));
 
     m_currentDragData->setModifiers(modifiers);
     DragData dragData(
         m_currentDragData.get(),
-        clientPoint,
+        pointInRootFrame,
         screenPoint,
         static_cast<DragOperation>(m_operationsAllowed));
 
     DragSession dragSession;
     if (dragAction == DragEnter)
         dragSession = m_page->dragController().dragEntered(&dragData);
     else
         dragSession = m_page->dragController().dragUpdated(&dragData);
 
     DragOperation dropEffect = dragSession.operation;
@@ skipping 814 matching lines @@
         return nullptr;
     return focusedFrame;
 }
 
 LocalFrame* WebViewImpl::focusedLocalFrameAvailableForIme() const
 {
     return m_imeAcceptEvents ? focusedLocalFrameInWidget() : nullptr;
 }
 
 } // namespace blink