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Side by Side Diff: Source/core/page/DragController.cpp

Issue 603193005: Move the Widget hierarchy to the Oilpan heap. (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master
Patch Set: Rebased upto r183571 Created 6 years, 2 months ago
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1 /* 1 /*
2 * Copyright (C) 2007, 2009, 2010 Apple Inc. All rights reserved. 2 * Copyright (C) 2007, 2009, 2010 Apple Inc. All rights reserved.
3 * Copyright (C) 2008 Google Inc. 3 * Copyright (C) 2008 Google Inc.
4 * 4 *
5 * Redistribution and use in source and binary forms, with or without 5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions 6 * modification, are permitted provided that the following conditions
7 * are met: 7 * are met:
8 * 1. Redistributions of source code must retain the above copyright 8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer. 9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright 10 * 2. Redistributions in binary form must reproduce the above copyright
(...skipping 198 matching lines...) Expand 10 before | Expand all | Expand 10 after
209 DragSession DragController::dragEntered(DragData* dragData) 209 DragSession DragController::dragEntered(DragData* dragData)
210 { 210 {
211 return dragEnteredOrUpdated(dragData); 211 return dragEnteredOrUpdated(dragData);
212 } 212 }
213 213
214 void DragController::dragExited(DragData* dragData) 214 void DragController::dragExited(DragData* dragData)
215 { 215 {
216 ASSERT(dragData); 216 ASSERT(dragData);
217 LocalFrame* mainFrame = m_page->deprecatedLocalMainFrame(); 217 LocalFrame* mainFrame = m_page->deprecatedLocalMainFrame();
218 218
219 if (RefPtr<FrameView> v = mainFrame->view()) { 219 RefPtrWillBeRawPtr<FrameView> frameView(mainFrame->view());
220 if (frameView) {
220 DataTransferAccessPolicy policy = (!m_documentUnderMouse || m_documentUn derMouse->securityOrigin()->isLocal()) ? DataTransferReadable : DataTransferType sReadable; 221 DataTransferAccessPolicy policy = (!m_documentUnderMouse || m_documentUn derMouse->securityOrigin()->isLocal()) ? DataTransferReadable : DataTransferType sReadable;
221 RefPtrWillBeRawPtr<DataTransfer> dataTransfer = createDraggingDataTransf er(policy, dragData); 222 RefPtrWillBeRawPtr<DataTransfer> dataTransfer = createDraggingDataTransf er(policy, dragData);
222 dataTransfer->setSourceOperation(dragData->draggingSourceOperationMask() ); 223 dataTransfer->setSourceOperation(dragData->draggingSourceOperationMask() );
223 mainFrame->eventHandler().cancelDragAndDrop(createMouseEvent(dragData), dataTransfer.get()); 224 mainFrame->eventHandler().cancelDragAndDrop(createMouseEvent(dragData), dataTransfer.get());
224 dataTransfer->setAccessPolicy(DataTransferNumb); // invalidate clipboard here for security 225 dataTransfer->setAccessPolicy(DataTransferNumb); // invalidate clipboard here for security
225 } 226 }
226 mouseMovedIntoDocument(0); 227 mouseMovedIntoDocument(0);
227 if (m_fileInputElementUnderMouse) 228 if (m_fileInputElementUnderMouse)
228 m_fileInputElementUnderMouse->setCanReceiveDroppedFiles(false); 229 m_fileInputElementUnderMouse->setCanReceiveDroppedFiles(false);
229 m_fileInputElementUnderMouse = nullptr; 230 m_fileInputElementUnderMouse = nullptr;
(...skipping 116 matching lines...) Expand 10 before | Expand all | Expand 10 after
346 // tryDHTMLDrag fires dragenter event. The event listener that listens 347 // tryDHTMLDrag fires dragenter event. The event listener that listens
347 // to this event may create a nested message loop (open a modal dialog), 348 // to this event may create a nested message loop (open a modal dialog),
348 // which could process dragleave event and reset m_documentUnderMouse in 349 // which could process dragleave event and reset m_documentUnderMouse in
349 // dragExited. 350 // dragExited.
350 if (!m_documentUnderMouse) 351 if (!m_documentUnderMouse)
351 return false; 352 return false;
352 } 353 }
353 354
354 // It's unclear why this check is after tryDHTMLDrag. 355 // It's unclear why this check is after tryDHTMLDrag.
355 // We send drag events in tryDHTMLDrag and that may be the reason. 356 // We send drag events in tryDHTMLDrag and that may be the reason.
356 RefPtr<FrameView> frameView = m_documentUnderMouse->view(); 357 RefPtrWillBeRawPtr<FrameView> frameView = m_documentUnderMouse->view();
357 if (!frameView) 358 if (!frameView)
358 return false; 359 return false;
359 360
360 if (isHandlingDrag) { 361 if (isHandlingDrag) {
361 m_page->dragCaretController().clear(); 362 m_page->dragCaretController().clear();
362 return true; 363 return true;
363 } 364 }
364 365
365 if ((actionMask & DragDestinationActionEdit) && canProcessDrag(dragData)) { 366 if ((actionMask & DragDestinationActionEdit) && canProcessDrag(dragData)) {
366 IntPoint point = frameView->windowToContents(dragData->clientPosition()) ; 367 IntPoint point = frameView->windowToContents(dragData->clientPosition()) ;
(...skipping 220 matching lines...) Expand 10 before | Expand all | Expand 10 after
587 } 588 }
588 589
589 bool DragController::tryDHTMLDrag(DragData* dragData, DragOperation& operation) 590 bool DragController::tryDHTMLDrag(DragData* dragData, DragOperation& operation)
590 { 591 {
591 ASSERT(dragData); 592 ASSERT(dragData);
592 ASSERT(m_documentUnderMouse); 593 ASSERT(m_documentUnderMouse);
593 RefPtrWillBeRawPtr<LocalFrame> mainFrame = m_page->deprecatedLocalMainFrame( ); 594 RefPtrWillBeRawPtr<LocalFrame> mainFrame = m_page->deprecatedLocalMainFrame( );
594 if (!mainFrame->view()) 595 if (!mainFrame->view())
595 return false; 596 return false;
596 597
597 RefPtr<FrameView> viewProtector(mainFrame->view()); 598 RefPtrWillBeRawPtr<FrameView> viewProtector(mainFrame->view());
598 DataTransferAccessPolicy policy = m_documentUnderMouse->securityOrigin()->is Local() ? DataTransferReadable : DataTransferTypesReadable; 599 DataTransferAccessPolicy policy = m_documentUnderMouse->securityOrigin()->is Local() ? DataTransferReadable : DataTransferTypesReadable;
599 RefPtrWillBeRawPtr<DataTransfer> dataTransfer = createDraggingDataTransfer(p olicy, dragData); 600 RefPtrWillBeRawPtr<DataTransfer> dataTransfer = createDraggingDataTransfer(p olicy, dragData);
600 DragOperation srcOpMask = dragData->draggingSourceOperationMask(); 601 DragOperation srcOpMask = dragData->draggingSourceOperationMask();
601 dataTransfer->setSourceOperation(srcOpMask); 602 dataTransfer->setSourceOperation(srcOpMask);
602 603
603 PlatformMouseEvent event = createMouseEvent(dragData); 604 PlatformMouseEvent event = createMouseEvent(dragData);
604 if (!mainFrame->eventHandler().updateDragAndDrop(event, dataTransfer.get())) { 605 if (!mainFrame->eventHandler().updateDragAndDrop(event, dataTransfer.get())) {
605 dataTransfer->setAccessPolicy(DataTransferNumb); // invalidate clipboard here for security 606 dataTransfer->setAccessPolicy(DataTransferNumb); // invalidate clipboard here for security
606 return false; 607 return false;
607 } 608 }
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939 940
940 return true; 941 return true;
941 } 942 }
942 943
943 void DragController::doSystemDrag(DragImage* image, const IntPoint& dragLocation , const IntPoint& eventPos, DataTransfer* dataTransfer, LocalFrame* frame, bool forLink) 944 void DragController::doSystemDrag(DragImage* image, const IntPoint& dragLocation , const IntPoint& eventPos, DataTransfer* dataTransfer, LocalFrame* frame, bool forLink)
944 { 945 {
945 m_didInitiateDrag = true; 946 m_didInitiateDrag = true;
946 m_dragInitiator = frame->document(); 947 m_dragInitiator = frame->document();
947 // Protect this frame and view, as a load may occur mid drag and attempt to unload this frame 948 // Protect this frame and view, as a load may occur mid drag and attempt to unload this frame
948 RefPtrWillBeRawPtr<LocalFrame> mainFrame = m_page->deprecatedLocalMainFrame( ); 949 RefPtrWillBeRawPtr<LocalFrame> mainFrame = m_page->deprecatedLocalMainFrame( );
949 RefPtr<FrameView> mainFrameView = mainFrame->view(); 950 RefPtrWillBeRawPtr<FrameView> mainFrameView = mainFrame->view();
950 951
951 m_client->startDrag(image, mainFrameView->rootViewToContents(frame->view()-> contentsToRootView(dragLocation)), 952 m_client->startDrag(image, mainFrameView->rootViewToContents(frame->view()-> contentsToRootView(dragLocation)),
952 mainFrameView->rootViewToContents(frame->view()->contentsToRootView(even tPos)), dataTransfer, frame, forLink); 953 mainFrameView->rootViewToContents(frame->view()->contentsToRootView(even tPos)), dataTransfer, frame, forLink);
953 // DragClient::startDrag can cause our Page to dispear, deallocating |this|. 954 // DragClient::startDrag can cause our Page to dispear, deallocating |this|.
954 if (!frame->page()) 955 if (!frame->page())
955 return; 956 return;
956 957
957 cleanupAfterSystemDrag(); 958 cleanupAfterSystemDrag();
958 } 959 }
959 960
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984 985
985 void DragController::trace(Visitor* visitor) 986 void DragController::trace(Visitor* visitor)
986 { 987 {
987 visitor->trace(m_page); 988 visitor->trace(m_page);
988 visitor->trace(m_documentUnderMouse); 989 visitor->trace(m_documentUnderMouse);
989 visitor->trace(m_dragInitiator); 990 visitor->trace(m_dragInitiator);
990 visitor->trace(m_fileInputElementUnderMouse); 991 visitor->trace(m_fileInputElementUnderMouse);
991 } 992 }
992 993
993 } // namespace blink 994 } // namespace blink
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