2 * Copyright (c) 2008, 2009, Google Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
14 * * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 #include "core/clipboard/DataObjectItem.h"
35 #include "platform/PasteMode.h"
36 #include "platform/Supplementable.h"
37 #include "platform/heap/Handle.h"
38 #include "wtf/ListHashSet.h"
39 #include "wtf/RefCounted.h"
40 #include "wtf/RefPtr.h"
41 #include "wtf/Vector.h"
42 #include "wtf/text/StringHash.h"
43 #include "wtf/text/WTFString.h"
50 // A data object for holding data that would be in a clipboard or moved
51 // during a drag-n-drop operation. This is the data that WebCore is aware
52 // of and is not specific to a platform.
53 class DataObject : public RefCountedWillBeGarbageCollectedFinalized<DataObject>, public WillBeHeapSupplementable<DataObject> {
54 WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(DataObject);
56 static PassRefPtrWillBeRawPtr<DataObject> createFromPasteboard(PasteMode);
57 static PassRefPtrWillBeRawPtr<DataObject> create();
59 PassRefPtrWillBeRawPtr<DataObject> copy() const;
61 virtual ~DataObject();
63 // DataTransferItemList support.
64 size_t length() const;
65 PassRefPtrWillBeRawPtr<DataObjectItem> item(unsigned long index);
66 // FIXME: Implement V8DataTransferItemList::indexedPropertyDeleter to get this called.
67 void deleteItem(unsigned long index);
69 // Returns null if an item already exists with the provided type.
70 PassRefPtrWillBeRawPtr<DataObjectItem> add(const String& data, const String& type);
71 PassRefPtrWillBeRawPtr<DataObjectItem> add(PassRefPtrWillBeRawPtr<File>);
74 void clearData(const String& type);
76 ListHashSet<String> types() const;
77 String getData(const String& type) const;
78 bool setData(const String& type, const String& data);
80 void urlAndTitle(String& url, String* title = 0) const;
81 void setURLAndTitle(const String& url, const String& title);
82 void htmlAndBaseURL(String& html, KURL& baseURL) const;
83 void setHTMLAndBaseURL(const String& html, const KURL& baseURL);
85 // Used for dragging in files from the desktop.
86 bool containsFilenames() const;
87 Vector<String> filenames() const;
88 void addFilename(const String& filename, const String& displayName);
90 // Used for dragging in filesystem from the desktop.
91 void setFilesystemId(const String& fileSystemId) { m_filesystemId = fileSystemId; }
92 const String& filesystemId() const { ASSERT(!m_filesystemId.isEmpty()); return m_filesystemId; }
94 // Used to handle files (images) being dragged out.
95 void addSharedBuffer(const String& name, PassRefPtr<SharedBuffer>);
97 int modifierKeyState() const { return m_modifierKeyState; }
98 void setModifierKeyState(int modifierKeyState) { m_modifierKeyState = modifierKeyState; }
100 void trace(Visitor*);
104 explicit DataObject(const DataObject&);
106 PassRefPtrWillBeRawPtr<DataObjectItem> findStringItem(const String& type) const;
107 bool internalAddStringItem(PassRefPtrWillBeRawPtr<DataObjectItem>);
108 void internalAddFileItem(PassRefPtrWillBeRawPtr<DataObjectItem>);
110 WillBeHeapVector<RefPtrWillBeMember<DataObjectItem> > m_itemList;
112 // State of Shift/Ctrl/Alt/Meta keys.
113 int m_modifierKeyState;
114 String m_filesystemId;
117 } // namespace WebCore