Move glue/EditorClientImpl.h/cpp to webkit/api/src

webkit/api/src/EditorClientImpl.h

Index: webkit/api/src/EditorClientImpl.h
diff --git a/webkit/api/src/EditorClientImpl.h b/webkit/api/src/EditorClientImpl.h
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+/*
+ * Copyright (C) 2009 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef EditorClientImpl_h
+#define EditorClientImpl_h
+
+#include "EditorClient.h"
+#include "Timer.h"
+#include <wtf/Deque.h>
+
+namespace WebCore {
+class HTMLInputElement;
+}
+
+class WebViewImpl;
+
+namespace WebKit {
+
+class EditorClientImpl : public WebCore::EditorClient {
+public:
+    EditorClientImpl(WebViewImpl* webView);
+
+    virtual ~EditorClientImpl();
+    virtual void pageDestroyed();
+
+    virtual bool shouldShowDeleteInterface(WebCore::HTMLElement*);
+    virtual bool smartInsertDeleteEnabled();
+    virtual bool isSelectTrailingWhitespaceEnabled();
+    virtual bool isContinuousSpellCheckingEnabled();
+    virtual void toggleContinuousSpellChecking();
+    virtual bool isGrammarCheckingEnabled();
+    virtual void toggleGrammarChecking();
+    virtual int spellCheckerDocumentTag();
+    virtual bool isEditable();
+    virtual bool shouldBeginEditing(WebCore::Range*);
+    virtual bool shouldEndEditing(WebCore::Range*);
+    virtual bool shouldInsertNode(WebCore::Node*, WebCore::Range*, WebCore::EditorInsertAction);
+    virtual bool shouldInsertText(const WebCore::String&, WebCore::Range*, WebCore::EditorInsertAction);
+    virtual bool shouldDeleteRange(WebCore::Range*);
+    virtual bool shouldChangeSelectedRange(WebCore::Range* fromRange,
+                                           WebCore::Range* toRange,
+                                           WebCore::EAffinity,
+                                           bool stillSelecting);
+    virtual bool shouldApplyStyle(WebCore::CSSStyleDeclaration*, WebCore::Range*);
+    virtual bool shouldMoveRangeAfterDelete(WebCore::Range*, WebCore::Range*);
+    virtual void didBeginEditing();
+    virtual void respondToChangedContents();
+    virtual void respondToChangedSelection();
+    virtual void didEndEditing();
+    virtual void didWriteSelectionToPasteboard();
+    virtual void didSetSelectionTypesForPasteboard();
+    virtual void registerCommandForUndo(PassRefPtr<WebCore::EditCommand>);
+    virtual void registerCommandForRedo(PassRefPtr<WebCore::EditCommand>);
+    virtual void clearUndoRedoOperations();
+    virtual bool canUndo() const;
+    virtual bool canRedo() const;
+    virtual void undo();
+    virtual void redo();
+    virtual const char* interpretKeyEvent(const WebCore::KeyboardEvent*);
+    virtual bool handleEditingKeyboardEvent(WebCore::KeyboardEvent*);
+    virtual void handleKeyboardEvent(WebCore::KeyboardEvent*);
+    virtual void handleInputMethodKeydown(WebCore::KeyboardEvent*);
+    virtual void textFieldDidBeginEditing(WebCore::Element*);
+    virtual void textFieldDidEndEditing(WebCore::Element*);
+    virtual void textDidChangeInTextField(WebCore::Element*);
+    virtual bool doTextFieldCommandFromEvent(WebCore::Element*, WebCore::KeyboardEvent*);
+    virtual void textWillBeDeletedInTextField(WebCore::Element*);
+    virtual void textDidChangeInTextArea(WebCore::Element*);
+    virtual void ignoreWordInSpellDocument(const WebCore::String&);
+    virtual void learnWord(const WebCore::String&);
+    virtual void checkSpellingOfString(const UChar*, int length,
+                                       int* misspellingLocation,
+                                       int* misspellingLength);
+    virtual void checkGrammarOfString(const UChar*, int length,
+                                      WTF::Vector<WebCore::GrammarDetail>&,
+                                      int* badGrammarLocation,
+                                      int* badGrammarLength);
+    virtual WebCore::String getAutoCorrectSuggestionForMisspelledWord(const WebCore::String&);
+    virtual void updateSpellingUIWithGrammarString(const WebCore::String&, const WebCore::GrammarDetail&);
+    virtual void updateSpellingUIWithMisspelledWord(const WebCore::String&);
+    virtual void showSpellingUI(bool show);
+    virtual bool spellingUIIsShowing();
+    virtual void getGuessesForWord(const WebCore::String& word,
+                                   WTF::Vector<WebCore::String>& guesses);
+    virtual void setInputMethodState(bool enabled);
+
+    // Shows the form autofill popup for |node| if it is an HTMLInputElement and
+    // it is empty.  This is called when you press the up or down arrow in a
+    // text-field or when clicking an already focused text-field.
+    // Returns true if the autofill popup has been scheduled to be shown, false
+    // otherwise.
+    virtual bool showFormAutofillForNode(WebCore::Node*);
+
+    // Notification that the text changed due to acceptance of a suggestion
+    // provided by an autofill popup.  Having a separate callback in this case
+    // is a simple way to break the cycle that would otherwise occur if
+    // textDidChangeInTextField was called.
+    virtual void onAutofillSuggestionAccepted(WebCore::HTMLInputElement*);
+
+private:
+    void modifySelection(WebCore::Frame*, WebCore::KeyboardEvent*);
+
+    // Triggers autofill for an input element if applicable.  This can be form
+    // autofill (via a popup-menu) or password autofill depending on the
+    // input element.  If |formAutofillOnly| is true, password autofill is not
+    // triggered.
+    // |autofillOnEmptyValue| indicates whether the autofill should be shown
+    // when the text-field is empty.
+    // If |requiresCaretAtEnd| is true, the autofill popup is only shown if the
+    // caret is located at the end of the entered text.
+    // Returns true if the autofill popup has been scheduled to be shown, false
+    // otherwise.
+    bool autofill(WebCore::HTMLInputElement*,
+                  bool formAutofillOnly, bool autofillOnEmptyValue,
+                  bool requiresCaretAtEnd);
+
+    // Called to process the autofill described by m_autofillArgs.
+    // This method is invoked asynchronously if the caret position is not
+    // reflecting the last text change yet, and we need it to decide whether or
+    // not to show the autofill popup.
+    void doAutofill(WebCore::Timer<EditorClientImpl>*);
+
+    void cancelPendingAutofill();
+
+    // Returns whether or not the focused control needs spell-checking.
+    // Currently, this function just retrieves the focused node and determines
+    // whether or not it is a <textarea> element or an element whose
+    // contenteditable attribute is true.
+    // FIXME: Bug 740540: This code just implements the default behavior
+    // proposed in this issue. We should also retrieve "spellcheck" attributes
+    // for text fields and create a flag to over-write the default behavior.
+    bool shouldSpellcheckByDefault();
+
+    WebViewImpl* m_webView;
+    bool m_inRedo;
+
+    typedef Deque<RefPtr<WebCore::EditCommand> > EditCommandStack;
+    EditCommandStack m_undoStack;
+    EditCommandStack m_redoStack;
+
+    // Whether the last entered key was a backspace.
+    bool m_backspaceOrDeletePressed;
+
+    // This flag is set to false if spell check for this editor is manually
+    // turned off. The default setting is SpellCheckAutomatic.
+    enum {
+        SpellCheckAutomatic,
+        SpellCheckForcedOn,
+        SpellCheckForcedOff
+    };
+    int m_spellCheckThisFieldStatus;
+
+    // Used to delay autofill processing.
+    WebCore::Timer<EditorClientImpl> m_autofillTimer;
+
+    struct AutofillArgs {
+        RefPtr<WebCore::HTMLInputElement> inputElement;
+        bool autofillFormOnly;
+        bool autofillOnEmptyValue;
+        bool requireCaretAtEnd;
+        bool backspaceOrDeletePressed;
+    };
+    OwnPtr<AutofillArgs> m_autofillArgs;
+};
+
+} // namespace WebKit
+
+#endif