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31 #ifndef EditorClientImpl_h
32 #define EditorClientImpl_h
34 #include "EditorClient.h"
35 #include "TextCheckerClient.h"
37 #include <wtf/Deque.h>
40 class HTMLInputElement;
47 class EditorClientImpl : public WebCore::EditorClient, public WebCore::TextCheckerClient {
49 EditorClientImpl(WebViewImpl* webView);
51 virtual ~EditorClientImpl();
52 virtual void pageDestroyed();
54 virtual bool shouldShowDeleteInterface(WebCore::HTMLElement*);
55 virtual bool smartInsertDeleteEnabled();
56 virtual bool isSelectTrailingWhitespaceEnabled();
57 virtual bool isContinuousSpellCheckingEnabled();
58 virtual void toggleContinuousSpellChecking();
59 virtual bool isGrammarCheckingEnabled();
60 virtual void toggleGrammarChecking();
61 virtual int spellCheckerDocumentTag();
62 virtual bool shouldBeginEditing(WebCore::Range*);
63 virtual bool shouldEndEditing(WebCore::Range*);
64 virtual bool shouldInsertNode(WebCore::Node*, WebCore::Range*, WebCore::EditorInsertAction);
65 virtual bool shouldInsertText(const WTF::String&, WebCore::Range*, WebCore::EditorInsertAction);
66 virtual bool shouldDeleteRange(WebCore::Range*);
67 virtual bool shouldChangeSelectedRange(WebCore::Range* fromRange,
68 WebCore::Range* toRange,
71 virtual bool shouldApplyStyle(WebCore::CSSStyleDeclaration*, WebCore::Range*);
72 virtual bool shouldMoveRangeAfterDelete(WebCore::Range*, WebCore::Range*);
73 virtual void didBeginEditing();
74 virtual void respondToChangedContents();
75 virtual void respondToChangedSelection();
76 virtual void didEndEditing();
77 virtual void didWriteSelectionToPasteboard();
78 virtual void didSetSelectionTypesForPasteboard();
79 virtual void registerCommandForUndo(PassRefPtr<WebCore::EditCommand>);
80 virtual void registerCommandForRedo(PassRefPtr<WebCore::EditCommand>);
81 virtual void clearUndoRedoOperations();
82 virtual bool canCopyCut(WebCore::Frame*, bool defaultValue) const;
83 virtual bool canPaste(WebCore::Frame*, bool defaultValue) const;
84 virtual bool canUndo() const;
85 virtual bool canRedo() const;
88 virtual const char* interpretKeyEvent(const WebCore::KeyboardEvent*);
89 virtual bool handleEditingKeyboardEvent(WebCore::KeyboardEvent*);
90 virtual void handleKeyboardEvent(WebCore::KeyboardEvent*);
91 virtual void handleInputMethodKeydown(WebCore::KeyboardEvent*);
92 virtual void textFieldDidBeginEditing(WebCore::Element*);
93 virtual void textFieldDidEndEditing(WebCore::Element*);
94 virtual void textDidChangeInTextField(WebCore::Element*);
95 virtual bool doTextFieldCommandFromEvent(WebCore::Element*, WebCore::KeyboardEvent*);
96 virtual void textWillBeDeletedInTextField(WebCore::Element*);
97 virtual void textDidChangeInTextArea(WebCore::Element*);
98 virtual void ignoreWordInSpellDocument(const WTF::String&);
99 virtual void learnWord(const WTF::String&);
100 virtual void checkSpellingOfString(const UChar*, int length,
101 int* misspellingLocation,
102 int* misspellingLength);
103 virtual void checkGrammarOfString(const UChar*, int length,
104 WTF::Vector<WebCore::GrammarDetail>&,
105 int* badGrammarLocation,
106 int* badGrammarLength);
107 virtual WTF::String getAutoCorrectSuggestionForMisspelledWord(const WTF::String&);
108 virtual void updateSpellingUIWithGrammarString(const WTF::String&, const WebCore::GrammarDetail&);
109 virtual void updateSpellingUIWithMisspelledWord(const WTF::String&);
110 virtual void showSpellingUI(bool show);
111 virtual bool spellingUIIsShowing();
112 virtual void getGuessesForWord(const WTF::String& word,
113 const WTF::String& context,
114 WTF::Vector<WTF::String>& guesses);
115 virtual void willSetInputMethodState();
116 virtual void setInputMethodState(bool enabled);
117 virtual void requestCheckingOfString(WebCore::SpellChecker*, int, WebCore::TextCheckingTypeMask, const WTF::String&);
119 virtual WebCore::TextCheckerClient* textChecker() { return this; }
121 // Shows the form autofill popup for |node| if it is an HTMLInputElement and
122 // it is empty. This is called when you press the up or down arrow in a
123 // text-field or when clicking an already focused text-field.
124 // Returns true if the autofill popup has been scheduled to be shown, false
126 virtual bool showFormAutofillForNode(WebCore::Node*);
129 void modifySelection(WebCore::Frame*, WebCore::KeyboardEvent*);
131 // Triggers autofill for an input element if applicable. This can be form
132 // autofill (via a popup-menu) or password autofill depending on the
133 // input element. If |formAutofillOnly| is true, password autofill is not
135 // |autofillOnEmptyValue| indicates whether the autofill should be shown
136 // when the text-field is empty.
137 // If |requiresCaretAtEnd| is true, the autofill popup is only shown if the
138 // caret is located at the end of the entered text.
139 // Returns true if the autofill popup has been scheduled to be shown, false
141 bool autofill(WebCore::HTMLInputElement*,
142 bool formAutofillOnly, bool autofillOnEmptyValue,
143 bool requiresCaretAtEnd);
145 // Called to process the autofill described by m_autofillArgs.
146 // This method is invoked asynchronously if the caret position is not
147 // reflecting the last text change yet, and we need it to decide whether or
148 // not to show the autofill popup.
149 void doAutofill(WebCore::Timer<EditorClientImpl>*);
151 void cancelPendingAutofill();
153 // Returns whether or not the focused control needs spell-checking.
154 // Currently, this function just retrieves the focused node and determines
155 // whether or not it is a <textarea> element or an element whose
156 // contenteditable attribute is true.
157 // FIXME: Bug 740540: This code just implements the default behavior
158 // proposed in this issue. We should also retrieve "spellcheck" attributes
159 // for text fields and create a flag to over-write the default behavior.
160 bool shouldSpellcheckByDefault();
162 WebViewImpl* m_webView;
165 typedef Deque<RefPtr<WebCore::EditCommand> > EditCommandStack;
166 EditCommandStack m_undoStack;
167 EditCommandStack m_redoStack;
169 // Whether the last entered key was a backspace.
170 bool m_backspaceOrDeletePressed;
172 // This flag is set to false if spell check for this editor is manually
173 // turned off. The default setting is SpellCheckAutomatic.
179 int m_spellCheckThisFieldStatus;
181 // Used to delay autofill processing.
182 WebCore::Timer<EditorClientImpl> m_autofillTimer;
184 struct AutofillArgs {
185 RefPtr<WebCore::HTMLInputElement> inputElement;
186 bool autofillFormOnly;
187 bool autofillOnEmptyValue;
188 bool requireCaretAtEnd;
189 bool backspaceOrDeletePressed;
191 OwnPtr<AutofillArgs> m_autofillArgs;
194 } // namespace WebKit