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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 "core/page/EditorClient.h"
#include "core/platform/Timer.h"
#include "core/platform/text/TextCheckerClient.h"
#include "wtf/Deque.h"
#include "wtf/HashSet.h"
namespace WebCore {
class Frame;
class HTMLInputElement;
}
namespace WebKit {
class WebViewImpl;
class WebTextCheckingCompletionImpl;
class EditorClientImpl : public WebCore::EditorClient, public WebCore::TextCheckerClient {
public:
EditorClientImpl(WebViewImpl* webView);
virtual ~EditorClientImpl();
virtual bool smartInsertDeleteEnabled() OVERRIDE;
virtual bool isSelectTrailingWhitespaceEnabled() OVERRIDE;
virtual bool isContinuousSpellCheckingEnabled() OVERRIDE;
virtual void toggleContinuousSpellChecking() OVERRIDE;
virtual bool isGrammarCheckingEnabled() OVERRIDE;
virtual bool shouldBeginEditing(WebCore::Range*) OVERRIDE;
virtual bool shouldEndEditing(WebCore::Range*) OVERRIDE;
virtual bool shouldInsertNode(WebCore::Node*, WebCore::Range*, WebCore::EditorInsertAction) OVERRIDE;
virtual bool shouldInsertText(const WTF::String&, WebCore::Range*, WebCore::EditorInsertAction) OVERRIDE;
virtual bool shouldDeleteRange(WebCore::Range*) OVERRIDE;
virtual bool shouldChangeSelectedRange(WebCore::Range* fromRange, WebCore::Range* toRange,
WebCore::EAffinity, bool stillSelecting) OVERRIDE;
virtual bool shouldApplyStyle(WebCore::StylePropertySet*, WebCore::Range*) OVERRIDE;
virtual void didBeginEditing() OVERRIDE;
virtual void respondToChangedContents() OVERRIDE;
virtual void respondToChangedSelection(WebCore::Frame*) OVERRIDE;
virtual void didEndEditing() OVERRIDE;
virtual void didCancelCompositionOnSelectionChange() OVERRIDE;
virtual void registerUndoStep(PassRefPtr<WebCore::UndoStep>) OVERRIDE;
virtual void registerRedoStep(PassRefPtr<WebCore::UndoStep>) OVERRIDE;
virtual void clearUndoRedoOperations() OVERRIDE;
virtual bool canCopyCut(WebCore::Frame*, bool defaultValue) const OVERRIDE;
virtual bool canPaste(WebCore::Frame*, bool defaultValue) const OVERRIDE;
virtual bool canUndo() const OVERRIDE;
virtual bool canRedo() const OVERRIDE;
virtual void undo() OVERRIDE;
virtual void redo() OVERRIDE;
virtual void handleKeyboardEvent(WebCore::KeyboardEvent*) OVERRIDE;
virtual void textFieldDidEndEditing(WebCore::Element*) OVERRIDE;
virtual void textDidChangeInTextField(WebCore::Element*) OVERRIDE;
virtual bool doTextFieldCommandFromEvent(WebCore::Element*, WebCore::KeyboardEvent*) OVERRIDE;
virtual bool shouldEraseMarkersAfterChangeSelection(WebCore::TextCheckingType) const OVERRIDE;
virtual void checkSpellingOfString(const String&, int* misspellingLocation, int* misspellingLength) OVERRIDE;
virtual void checkGrammarOfString(const String&, WTF::Vector<WebCore::GrammarDetail>&,
int* badGrammarLocation, int* badGrammarLength) OVERRIDE;
virtual WTF::String getAutoCorrectSuggestionForMisspelledWord(const WTF::String&) OVERRIDE;
virtual void updateSpellingUIWithMisspelledWord(const WTF::String&) OVERRIDE;
virtual void showSpellingUI(bool show) OVERRIDE;
virtual bool spellingUIIsShowing() OVERRIDE;
virtual void willSetInputMethodState() OVERRIDE;
virtual void requestCheckingOfString(WTF::PassRefPtr<WebCore::TextCheckingRequest>) OVERRIDE;
virtual bool supportsGlobalSelection() OVERRIDE;
virtual WebCore::TextCheckerClient& textChecker() { return *this; }
const char* interpretKeyEvent(const WebCore::KeyboardEvent*);
private:
bool handleEditingKeyboardEvent(WebCore::KeyboardEvent*);
void modifySelection(WebCore::Frame*, WebCore::KeyboardEvent*);
// 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::UndoStep> > UndoManagerStack;
UndoManagerStack m_undoStack;
UndoManagerStack m_redoStack;
// 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;
};
} // namespace WebKit
#endif
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