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1 /*
2  * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
3  * Copyright (C) 2007, Holger Hans Peter Freyther
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
18  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  */
26 
27 #ifndef ClipboardGtk_h
28 #define ClipboardGtk_h
29 
30 #include "CachedResourceClient.h"
31 #include "Clipboard.h"
32 #include "DataObjectGtk.h"
33 
34 namespace WebCore {
35     class CachedImage;
36     class Frame;
37     class PasteboardHelper;
38 
39     // State available during IE's events for drag and drop and copy/paste
40     // Created from the EventHandlerGtk to be used by the dom
41     class ClipboardGtk : public Clipboard, public CachedResourceClient {
42         WTF_MAKE_FAST_ALLOCATED;
43     public:
create(ClipboardAccessPolicy policy,GtkClipboard * clipboard,Frame * frame)44         static PassRefPtr<ClipboardGtk> create(ClipboardAccessPolicy policy, GtkClipboard* clipboard, Frame* frame)
45         {
46             return adoptRef(new ClipboardGtk(policy, clipboard, frame));
47         }
48 
create(ClipboardAccessPolicy policy,PassRefPtr<DataObjectGtk> dataObject,ClipboardType clipboardType,Frame * frame)49         static PassRefPtr<ClipboardGtk> create(ClipboardAccessPolicy policy, PassRefPtr<DataObjectGtk> dataObject, ClipboardType clipboardType, Frame* frame)
50         {
51             return adoptRef(new ClipboardGtk(policy, dataObject, clipboardType, frame));
52         }
53         virtual ~ClipboardGtk();
54 
55         void clearData(const String&);
56         void clearAllData();
57         String getData(const String&, bool&) const;
58         bool setData(const String&, const String&);
59 
60         virtual HashSet<String> types() const;
61         virtual PassRefPtr<FileList> files() const;
62 
63         void setDragImage(CachedImage*, const IntPoint&);
64         void setDragImageElement(Node*, const IntPoint&);
65         void setDragImage(CachedImage*, Node*, const IntPoint&);
66 
67         virtual DragImageRef createDragImage(IntPoint&) const;
68 #if ENABLE(DRAG_SUPPORT)
69         virtual void declareAndWriteDragImage(Element*, const KURL&, const String&, Frame*);
70 #endif
71         virtual void writeURL(const KURL&, const String&, Frame*);
72         virtual void writeRange(Range*, Frame*);
73         virtual void writePlainText(const String&);
74 
75         virtual bool hasData();
76 
helper()77         PasteboardHelper* helper() { return m_helper; }
dataObject()78         PassRefPtr<DataObjectGtk> dataObject() { return m_dataObject; }
79 
80     private:
81         ClipboardGtk(ClipboardAccessPolicy, GtkClipboard*, Frame*);
82         ClipboardGtk(ClipboardAccessPolicy, PassRefPtr<DataObjectGtk>, ClipboardType, Frame*);
83 
84         RefPtr<DataObjectGtk> m_dataObject;
85         GtkClipboard* m_clipboard;
86         PasteboardHelper* m_helper;
87         Frame* m_frame;
88     };
89 }
90 
91 #endif
92