Source/core/dom/Clipboard.h - Issue 153343003: Move Clipboard-related code from core/dom to core/clipboard

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Issue 153343003: Move Clipboard-related code from core/dom to core/clipboard (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Created 6 years, 10 months ago

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1 /*

2 * Copyright (C) 2001 Peter Kelly (pmk@post.com)

3 * Copyright (C) 2001 Tobias Anton (anton@stud.fbi.fh-darmstadt.de)

4 * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)

5 * Copyright (C) 2003, 2004, 2005, 2006, 2008 Apple Inc. All rights reserved.

6 *

7 * This library is free software; you can redistribute it and/or

8 * modify it under the terms of the GNU Library General Public

9 * License as published by the Free Software Foundation; either

10 * version 2 of the License, or (at your option) any later version.

11 *

12 * This library is distributed in the hope that it will be useful,

13 * but WITHOUT ANY WARRANTY; without even the implied warranty of

14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

15 * Library General Public License for more details.

16 *

17 * You should have received a copy of the GNU Library General Public License

18 * along with this library; see the file COPYING.LIB. If not, write to

19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,

20 * Boston, MA 02110-1301, USA.

21 *

22 */

23

24 #ifndef Clipboard_h

25 #define Clipboard_h

26

27 #include "bindings/v8/ScriptWrappable.h"

28 #include "core/dom/ClipboardAccessPolicy.h"

29 #include "core/fetch/ResourcePtr.h"

30 #include "core/page/DragActions.h"

31 #include "platform/geometry/IntPoint.h"

32 #include "wtf/Forward.h"

33 #include "wtf/RefCounted.h"

34 #include "wtf/RefPtr.h"

35 #include "wtf/Vector.h"

36

37 namespace WebCore {

38

39 class DataObject;

40 class DataTransferItemList;

41 class DragImage;

42 class Element;

43 class ExceptionState;

44 class FileList;

45 class Frame;

46 class ImageResource;

47 class Node;

48 class Range;

49

50 // State available during IE's events for drag and drop and copy/paste

51 class Clipboard : public RefCounted<Clipboard>, public ScriptWrappable {

52 public:

53 // Whether this clipboard is serving a drag-drop or copy-paste request.

54 enum ClipboardType {

55 CopyAndPaste,

56 DragAndDrop,

57 };

58

59 static PassRefPtr<Clipboard> create(ClipboardType, ClipboardAccessPolicy, Pa ssRefPtr<DataObject>);

60 ~Clipboard();

61

62 bool isForCopyAndPaste() const { return m_clipboardType == CopyAndPaste; }

63 bool isForDragAndDrop() const { return m_clipboardType == DragAndDrop; }

64

65 String dropEffect() const { return dropEffectIsUninitialized() ? "none" : m_ dropEffect; }

66 void setDropEffect(const String&);

67 bool dropEffectIsUninitialized() const { return m_dropEffect == "uninitializ ed"; }

68 String effectAllowed() const { return m_effectAllowed; }

69 void setEffectAllowed(const String&);

70

71 void clearData(const String& type = String());

72 String getData(const String& type) const;

73 bool setData(const String& type, const String& data);

74

75 // extensions beyond IE's API

76 Vector<String> types() const;

77 PassRefPtr<FileList> files() const;

78

79 IntPoint dragLocation() const { return m_dragLoc; }

80 void setDragImage(Element*, int x, int y, ExceptionState&);

81 ImageResource* dragImageResource() const { return m_dragImage.get(); }

82 void setDragImageResource(ImageResource*, const IntPoint&);

83 Node* dragImageElement() const { return m_dragImageElement.get(); }

84 void setDragImageElement(Node*, const IntPoint&);

85

86 PassOwnPtr<DragImage> createDragImage(IntPoint& dragLocation, Frame*) const;

87 void declareAndWriteDragImage(Element*, const KURL&, const String& title);

88 void writeURL(const KURL&, const String&);

89 void writeRange(Range, Frame);

90 void writePlainText(const String&);

91

92 bool hasData();

93

94 void setAccessPolicy(ClipboardAccessPolicy);

95 bool canReadTypes() const;

96 bool canReadData() const;

97 bool canWriteData() const;

98 // Note that the spec doesn't actually allow drag image modification outside the dragstart

99 // event. This capability is maintained for backwards compatiblity for ports that have

100 // supported this in the past. On many ports, attempting to set a drag image outside the

101 // dragstart operation is a no-op anyway.

102 bool canSetDragImage() const;

103

104 DragOperation sourceOperation() const;

105 DragOperation destinationOperation() const;

106 void setSourceOperation(DragOperation);

107 void setDestinationOperation(DragOperation);

108

109 bool hasDropZoneType(const String&);

110

111 PassRefPtr<DataTransferItemList> items();

112

113 PassRefPtr<DataObject> dataObject() const;

114

115 private:

116 Clipboard(ClipboardType, ClipboardAccessPolicy, PassRefPtr<DataObject>);

117

118 void setDragImage(ImageResource, Node, const IntPoint&);

119

120 bool hasFileOfType(const String&) const;

121 bool hasStringOfType(const String&) const;

122

123 // Instead of using this member directly, prefer to use the can*() methods a bove.

124 ClipboardAccessPolicy m_policy;

125 String m_dropEffect;

126 String m_effectAllowed;

127 ClipboardType m_clipboardType;

128 RefPtr<DataObject> m_dataObject;

129

130 IntPoint m_dragLoc;

131 ResourcePtr<ImageResource> m_dragImage;

132 RefPtr<Node> m_dragImageElement;

133 };

134

135 DragOperation convertDropZoneOperationToDragOperation(const String& dragOperatio n);

136 String convertDragOperationToDropZoneOperation(DragOperation);

137

138 } // namespace WebCore

139

140 #endif // Clipboard_h

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