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1 /*
2  * Copyright 2007, The Android Open Source Project
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  *  * Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  *  * Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24  */
25 
26 #ifndef EditorClientAndroid_h
27 #define EditorClientAndroid_h
28 
29 #include "config.h"
30 
31 
32 #include "EditorClient.h"
33 #include "Page.h"
34 #include "TextCheckerClient.h"
35 #include "autofill/WebAutofill.h"
36 
37 #include <wtf/OwnPtr.h>
38 
39 using namespace WebCore;
40 
41 namespace android {
42 
43 class EditorClientAndroid : public EditorClient, public TextCheckerClient {
44 public:
EditorClientAndroid()45     EditorClientAndroid() {
46         m_shouldChangeSelectedRange = true;
47         m_uiGeneratedSelectionChange = false;
48     }
49     virtual void pageDestroyed();
50 
51     virtual bool shouldDeleteRange(Range*);
52     virtual bool shouldShowDeleteInterface(HTMLElement*);
53     virtual bool smartInsertDeleteEnabled();
54     virtual bool isSelectTrailingWhitespaceEnabled();
55     virtual bool isContinuousSpellCheckingEnabled();
56     virtual void toggleContinuousSpellChecking();
57     virtual bool isGrammarCheckingEnabled();
58     virtual void toggleGrammarChecking();
59     virtual int spellCheckerDocumentTag();
60 
61     virtual bool isEditable();
62 
63     virtual bool shouldBeginEditing(Range*);
64     virtual bool shouldEndEditing(Range*);
65     virtual bool shouldInsertNode(Node*, Range*, EditorInsertAction);
66     virtual bool shouldInsertText(const String&, Range*, EditorInsertAction);
67     virtual bool shouldChangeSelectedRange(Range* fromRange, Range* toRange, EAffinity, bool stillSelecting);
68 
69     virtual bool shouldApplyStyle(CSSStyleDeclaration*, Range*);
70 //  virtual bool shouldChangeTypingStyle(CSSStyleDeclaration* fromStyle, CSSStyleDeclaration* toStyle);
71 //  virtual bool doCommandBySelector(SEL selector);
72     virtual bool shouldMoveRangeAfterDelete(Range*, Range*);
73 
74     virtual void didBeginEditing();
75     virtual void respondToChangedContents();
76     virtual void respondToChangedSelection();
77     virtual void didEndEditing();
78     virtual void didWriteSelectionToPasteboard();
79     virtual void didSetSelectionTypesForPasteboard();
80 //  virtual void didChangeTypingStyle:(NSNotification *)notification;
81 //  virtual void didChangeSelection:(NSNotification *)notification;
82 //  virtual NSUndoManager* undoManager:(WebView *)webView;
83 
84     virtual void registerCommandForUndo(PassRefPtr<EditCommand>);
85     virtual void registerCommandForRedo(PassRefPtr<EditCommand>);
86     virtual void clearUndoRedoOperations();
87 
88     virtual bool canCopyCut(bool defaultValue) const;
89     virtual bool canPaste(bool defaultValue) const;
90     virtual bool canUndo() const;
91     virtual bool canRedo() const;
92 
93     virtual void undo();
94     virtual void redo();
95 
96     virtual void handleKeyboardEvent(KeyboardEvent*);
97     virtual void handleInputMethodKeydown(KeyboardEvent*);
98 
99     virtual void textFieldDidBeginEditing(Element*);
100     virtual void textFieldDidEndEditing(Element*);
101     virtual void textDidChangeInTextField(Element*);
102     virtual bool doTextFieldCommandFromEvent(Element*, KeyboardEvent*);
103     virtual void textWillBeDeletedInTextField(Element*);
104     virtual void textDidChangeInTextArea(Element*);
105 
106     virtual void ignoreWordInSpellDocument(const String&);
107     virtual void learnWord(const String&);
108     virtual void checkSpellingOfString(const UChar*, int length, int* misspellingLocation, int* misspellingLength);
109     virtual String getAutoCorrectSuggestionForMisspelledWord(const String& misspelledWorld);
110     virtual void checkGrammarOfString(const UChar*, int length, WTF::Vector<GrammarDetail>&, int* badGrammarLocation, int* badGrammarLength);
111     virtual void updateSpellingUIWithGrammarString(const String&, const GrammarDetail& detail);
112     virtual void updateSpellingUIWithMisspelledWord(const String&);
113     virtual void showSpellingUI(bool show);
114     virtual bool spellingUIIsShowing();
115     virtual void getGuessesForWord(const String&, const String& context, WTF::Vector<String>& guesses);
116     virtual void willSetInputMethodState();
117     virtual void setInputMethodState(bool);
118     virtual void requestCheckingOfString(SpellChecker*, int, TextCheckingTypeMask, const String&);
119 
textChecker()120     virtual TextCheckerClient* textChecker() { return this; }
121 
122     // Android specific:
setPage(Page * page)123     void setPage(Page* page) { m_page = page; }
setShouldChangeSelectedRange(bool shouldChangeSelectedRange)124     void setShouldChangeSelectedRange(bool shouldChangeSelectedRange) { m_shouldChangeSelectedRange = shouldChangeSelectedRange; }
setUiGeneratedSelectionChange(bool uiGenerated)125     void setUiGeneratedSelectionChange(bool uiGenerated) { m_uiGeneratedSelectionChange = uiGenerated; }
126 #if ENABLE(WEB_AUTOFILL)
127     WebAutofill* getAutofill();
128 #endif
129 private:
130     Page* m_page;
131     bool  m_shouldChangeSelectedRange;
132     bool  m_uiGeneratedSelectionChange;
133 #if ENABLE(WEB_AUTOFILL)
134     OwnPtr<WebAutofill> m_autoFill;
135 #endif
136 };
137 
138 }
139 
140 #endif
141