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1 /*
2  * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
3  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
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 EditorClient_h
28 #define EditorClient_h
29 
30 #include "SpellingCorrectionController.h"
31 #include "EditorInsertAction.h"
32 #include "FloatRect.h"
33 #include "PlatformString.h"
34 #include "TextAffinity.h"
35 #include <wtf/Forward.h>
36 #include <wtf/Vector.h>
37 
38 #if PLATFORM(MAC)
39 #ifdef __OBJC__
40 @class NSArray;
41 @class NSAttributedString;
42 @class NSData;
43 @class NSPasteboard;
44 @class NSString;
45 @class NSURL;
46 #else
47 class NSArray;
48 class NSAttributedString;
49 class NSData;
50 class NSPasteboard;
51 class NSString;
52 class NSURL;
53 #endif
54 #endif
55 
56 namespace WebCore {
57 
58 class ArchiveResource;
59 class CSSStyleDeclaration;
60 class DocumentFragment;
61 class EditCommand;
62 class Editor;
63 class Element;
64 class Frame;
65 class HTMLElement;
66 class KeyboardEvent;
67 class Node;
68 class Range;
69 class SpellChecker;
70 class TextCheckerClient;
71 class VisibleSelection;
72 class VisiblePosition;
73 
74 struct GrammarDetail;
75 
76 class EditorClient {
77 public:
~EditorClient()78     virtual ~EditorClient() {  }
79     virtual void pageDestroyed() = 0;
80 
81     virtual bool shouldDeleteRange(Range*) = 0;
82     virtual bool shouldShowDeleteInterface(HTMLElement*) = 0;
83     virtual bool smartInsertDeleteEnabled() = 0;
84     virtual bool isSelectTrailingWhitespaceEnabled() = 0;
85     virtual bool isContinuousSpellCheckingEnabled() = 0;
86     virtual void toggleContinuousSpellChecking() = 0;
87     virtual bool isGrammarCheckingEnabled() = 0;
88     virtual void toggleGrammarChecking() = 0;
89     virtual int spellCheckerDocumentTag() = 0;
90 
91     virtual bool shouldBeginEditing(Range*) = 0;
92     virtual bool shouldEndEditing(Range*) = 0;
93     virtual bool shouldInsertNode(Node*, Range*, EditorInsertAction) = 0;
94     virtual bool shouldInsertText(const String&, Range*, EditorInsertAction) = 0;
95     virtual bool shouldChangeSelectedRange(Range* fromRange, Range* toRange, EAffinity, bool stillSelecting) = 0;
96 
97     virtual bool shouldApplyStyle(CSSStyleDeclaration*, Range*) = 0;
98     virtual bool shouldMoveRangeAfterDelete(Range*, Range*) = 0;
99 
100     virtual void didBeginEditing() = 0;
101     virtual void respondToChangedContents() = 0;
102     virtual void respondToChangedSelection() = 0;
103     virtual void didEndEditing() = 0;
104     virtual void didWriteSelectionToPasteboard() = 0;
105     virtual void didSetSelectionTypesForPasteboard() = 0;
106 
107     virtual void registerCommandForUndo(PassRefPtr<EditCommand>) = 0;
108     virtual void registerCommandForRedo(PassRefPtr<EditCommand>) = 0;
109     virtual void clearUndoRedoOperations() = 0;
110 
111     virtual bool canCopyCut(bool defaultValue) const = 0;
112     virtual bool canPaste(bool defaultValue) const = 0;
113     virtual bool canUndo() const = 0;
114     virtual bool canRedo() const = 0;
115 
116     virtual void undo() = 0;
117     virtual void redo() = 0;
118 
119     virtual void handleKeyboardEvent(KeyboardEvent*) = 0;
120     virtual void handleInputMethodKeydown(KeyboardEvent*) = 0;
121 
122     virtual void textFieldDidBeginEditing(Element*) = 0;
123     virtual void textFieldDidEndEditing(Element*) = 0;
124     virtual void textDidChangeInTextField(Element*) = 0;
125     virtual bool doTextFieldCommandFromEvent(Element*, KeyboardEvent*) = 0;
126     virtual void textWillBeDeletedInTextField(Element*) = 0;
127     virtual void textDidChangeInTextArea(Element*) = 0;
128 
129 #if PLATFORM(MAC)
130     virtual NSString* userVisibleString(NSURL*) = 0;
131     virtual DocumentFragment* documentFragmentFromAttributedString(NSAttributedString*, Vector< RefPtr<ArchiveResource> >&) = 0;
132     virtual void setInsertionPasteboard(NSPasteboard*) = 0;
133     virtual NSURL* canonicalizeURL(NSURL*) = 0;
134     virtual NSURL* canonicalizeURLString(NSString*) = 0;
135 #ifdef BUILDING_ON_TIGER
136     virtual NSArray* pasteboardTypesForSelection(Frame*) = 0;
137 #endif
138 #endif
139 
140 #if PLATFORM(MAC) && !defined(BUILDING_ON_TIGER) && !defined(BUILDING_ON_LEOPARD)
141     virtual void uppercaseWord() = 0;
142     virtual void lowercaseWord() = 0;
143     virtual void capitalizeWord() = 0;
144     virtual void showSubstitutionsPanel(bool show) = 0;
145     virtual bool substitutionsPanelIsShowing() = 0;
146     virtual void toggleSmartInsertDelete() = 0;
147     virtual bool isAutomaticQuoteSubstitutionEnabled() = 0;
148     virtual void toggleAutomaticQuoteSubstitution() = 0;
149     virtual bool isAutomaticLinkDetectionEnabled() = 0;
150     virtual void toggleAutomaticLinkDetection() = 0;
151     virtual bool isAutomaticDashSubstitutionEnabled() = 0;
152     virtual void toggleAutomaticDashSubstitution() = 0;
153     virtual bool isAutomaticTextReplacementEnabled() = 0;
154     virtual void toggleAutomaticTextReplacement() = 0;
155     virtual bool isAutomaticSpellingCorrectionEnabled() = 0;
156     virtual void toggleAutomaticSpellingCorrection() = 0;
157 #endif
158 
159     virtual TextCheckerClient* textChecker() = 0;
160 
161     enum AutocorrectionResponseType {
162         AutocorrectionEdited,
163         AutocorrectionReverted
164     };
165 
166 #if SUPPORT_AUTOCORRECTION_PANEL
167     virtual void showCorrectionPanel(CorrectionPanelInfo::PanelType, const FloatRect& boundingBoxOfReplacedString, const String& replacedString, const String& replacmentString, const Vector<String>& alternativeReplacementStrings) = 0;
168     virtual void dismissCorrectionPanel(ReasonForDismissingCorrectionPanel) = 0;
169     virtual String dismissCorrectionPanelSoon(ReasonForDismissingCorrectionPanel) = 0;
170     virtual void recordAutocorrectionResponse(AutocorrectionResponseType, const String& replacedString, const String& replacementString) = 0;
171 #endif
172 
173     virtual void updateSpellingUIWithGrammarString(const String&, const GrammarDetail& detail) = 0;
174     virtual void updateSpellingUIWithMisspelledWord(const String&) = 0;
175     virtual void showSpellingUI(bool show) = 0;
176     virtual bool spellingUIIsShowing() = 0;
177     virtual void willSetInputMethodState() = 0;
178     virtual void setInputMethodState(bool enabled) = 0;
179 };
180 
181 }
182 
183 #endif // EditorClient_h
184