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Diffstat (limited to 'Source/WebCore/dom/Clipboard.h')
-rw-r--r-- | Source/WebCore/dom/Clipboard.h | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/Source/WebCore/dom/Clipboard.h b/Source/WebCore/dom/Clipboard.h new file mode 100644 index 0000000..b8eadfb --- /dev/null +++ b/Source/WebCore/dom/Clipboard.h @@ -0,0 +1,116 @@ +/* + * Copyright (C) 2001 Peter Kelly (pmk@post.com) + * Copyright (C) 2001 Tobias Anton (anton@stud.fbi.fh-darmstadt.de) + * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com) + * Copyright (C) 2003, 2004, 2005, 2006, 2008 Apple Inc. All rights reserved. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public License + * along with this library; see the file COPYING.LIB. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + * + */ + +#ifndef Clipboard_h +#define Clipboard_h + +#include "CachedResourceHandle.h" +#include "ClipboardAccessPolicy.h" +#include "DragActions.h" +#include "DragImage.h" +#include "IntPoint.h" +#include "Node.h" + +namespace WebCore { + + class DragData; + class FileList; + class Frame; + + // State available during IE's events for drag and drop and copy/paste + class Clipboard : public RefCounted<Clipboard> { + public: + // Whether this clipboard is serving a drag-drop or copy-paste request. + enum ClipboardType { + CopyAndPaste, + DragAndDrop, + }; + static PassRefPtr<Clipboard> create(ClipboardAccessPolicy, DragData*, Frame*); + + virtual ~Clipboard() { } + + bool isForCopyAndPaste() const { return m_clipboardType == CopyAndPaste; } + bool isForDragAndDrop() const { return m_clipboardType == DragAndDrop; } + + String dropEffect() const { return dropEffectIsUninitialized() ? "none" : m_dropEffect; } + void setDropEffect(const String&); + bool dropEffectIsUninitialized() const { return m_dropEffect == "uninitialized"; } + String effectAllowed() const { return m_effectAllowed; } + void setEffectAllowed(const String&); + + virtual void clearData(const String& type) = 0; + virtual void clearAllData() = 0; + virtual String getData(const String& type, bool& success) const = 0; + virtual bool setData(const String& type, const String& data) = 0; + + // extensions beyond IE's API + virtual HashSet<String> types() const = 0; + virtual PassRefPtr<FileList> files() const = 0; + + IntPoint dragLocation() const { return m_dragLoc; } + CachedImage* dragImage() const { return m_dragImage.get(); } + virtual void setDragImage(CachedImage*, const IntPoint&) = 0; + Node* dragImageElement() const { return m_dragImageElement.get(); } + virtual void setDragImageElement(Node*, const IntPoint&) = 0; + + virtual DragImageRef createDragImage(IntPoint& dragLocation) const = 0; +#if ENABLE(DRAG_SUPPORT) + virtual void declareAndWriteDragImage(Element*, const KURL&, const String& title, Frame*) = 0; +#endif + virtual void writeURL(const KURL&, const String&, Frame*) = 0; + virtual void writeRange(Range*, Frame*) = 0; + virtual void writePlainText(const String&) = 0; + + virtual bool hasData() = 0; + + void setAccessPolicy(ClipboardAccessPolicy); + + DragOperation sourceOperation() const; + DragOperation destinationOperation() const; + void setSourceOperation(DragOperation); + void setDestinationOperation(DragOperation); + + void setDragHasStarted() { m_dragStarted = true; } + + protected: + Clipboard(ClipboardAccessPolicy, ClipboardType); + + ClipboardAccessPolicy policy() const { return m_policy; } + bool dragStarted() const { return m_dragStarted; } + + private: + ClipboardAccessPolicy m_policy; + String m_dropEffect; + String m_effectAllowed; + bool m_dragStarted; + ClipboardType m_clipboardType; + + protected: + IntPoint m_dragLoc; + CachedResourceHandle<CachedImage> m_dragImage; + RefPtr<Node> m_dragImageElement; + }; + +} // namespace WebCore + +#endif // Clipboard_h |