| /* |
| * Copyright (C) 2007, 2009 Apple 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 |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef DragController_h |
| #define DragController_h |
| |
| #include "core/page/DragActions.h" |
| #include "platform/geometry/IntPoint.h" |
| #include "platform/weborigin/KURL.h" |
| #include "wtf/Forward.h" |
| |
| namespace WebCore { |
| |
| class Clipboard; |
| class Document; |
| class DragClient; |
| class DragData; |
| class DragImage; |
| struct DragSession; |
| struct DragState; |
| class Element; |
| class Frame; |
| class FrameSelection; |
| class HTMLInputElement; |
| class Image; |
| class IntRect; |
| class Node; |
| class Page; |
| class PlatformMouseEvent; |
| class Range; |
| |
| class DragController { |
| WTF_MAKE_NONCOPYABLE(DragController); WTF_MAKE_FAST_ALLOCATED; |
| public: |
| ~DragController(); |
| |
| static PassOwnPtr<DragController> create(Page*, DragClient*); |
| |
| DragSession dragEntered(DragData*); |
| void dragExited(DragData*); |
| DragSession dragUpdated(DragData*); |
| bool performDrag(DragData*); |
| |
| enum SelectionDragPolicy { |
| ImmediateSelectionDragResolution, |
| DelayedSelectionDragResolution, |
| }; |
| Node* draggableNode(const Frame*, Node*, const IntPoint&, SelectionDragPolicy, DragSourceAction&) const; |
| void dragEnded(); |
| |
| bool populateDragClipboard(Frame* src, const DragState&, const IntPoint& dragOrigin); |
| bool startDrag(Frame* src, const DragState&, const PlatformMouseEvent& dragEvent, const IntPoint& dragOrigin); |
| |
| static const int DragIconRightInset; |
| static const int DragIconBottomInset; |
| |
| private: |
| DragController(Page*, DragClient*); |
| |
| bool dispatchTextInputEventFor(Frame*, DragData*); |
| bool canProcessDrag(DragData*); |
| bool concludeEditDrag(DragData*); |
| DragSession dragEnteredOrUpdated(DragData*); |
| DragOperation operationForLoad(DragData*); |
| bool tryDocumentDrag(DragData*, DragDestinationAction, DragSession&); |
| bool tryDHTMLDrag(DragData*, DragOperation&); |
| DragOperation dragOperation(DragData*); |
| void cancelDrag(); |
| bool dragIsMove(FrameSelection&, DragData*); |
| bool isCopyKeyDown(DragData*); |
| |
| void mouseMovedIntoDocument(Document*); |
| |
| void doSystemDrag(DragImage*, const IntPoint& dragLocation, const IntPoint& dragOrigin, Clipboard*, Frame*, bool forLink); |
| void cleanupAfterSystemDrag(); |
| |
| Page* m_page; |
| DragClient* m_client; |
| |
| RefPtr<Document> m_documentUnderMouse; // The document the mouse was last dragged over. |
| RefPtr<Document> m_dragInitiator; // The Document (if any) that initiated the drag. |
| RefPtr<HTMLInputElement> m_fileInputElementUnderMouse; |
| bool m_documentIsHandlingDrag; |
| |
| DragDestinationAction m_dragDestinationAction; |
| bool m_didInitiateDrag; |
| }; |
| |
| } |
| |
| #endif |