--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/editing/DeleteSelectionCommand.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,100 @@
+/*
+ * Copyright (C) 2005, 2006, 2008 Apple 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:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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 DeleteSelectionCommand_h
+#define DeleteSelectionCommand_h
+
+#include "CompositeEditCommand.h"
+
+namespace WebCore {
+
+class DeleteSelectionCommand : public CompositeEditCommand { 
+public:
+    static PassRefPtr<DeleteSelectionCommand> create(Document* document, bool smartDelete = false, bool mergeBlocksAfterDelete = true, bool replace = false, bool expandForSpecialElements = false)
+    {
+        return adoptRef(new DeleteSelectionCommand(document, smartDelete, mergeBlocksAfterDelete, replace, expandForSpecialElements));
+    }
+    static PassRefPtr<DeleteSelectionCommand> create(const VisibleSelection& selection, bool smartDelete = false, bool mergeBlocksAfterDelete = true, bool replace = false, bool expandForSpecialElements = false)
+    {
+        return adoptRef(new DeleteSelectionCommand(selection, smartDelete, mergeBlocksAfterDelete, replace, expandForSpecialElements));
+    }
+
+private:
+    DeleteSelectionCommand(Document*, bool smartDelete, bool mergeBlocksAfterDelete, bool replace, bool expandForSpecialElements);
+    DeleteSelectionCommand(const VisibleSelection&, bool smartDelete, bool mergeBlocksAfterDelete, bool replace, bool expandForSpecialElements);
+
+    virtual void doApply();
+    virtual EditAction editingAction() const;
+    
+    virtual bool preservesTypingStyle() const;
+
+    void initializeStartEnd(Position&, Position&);
+    void setStartingSelectionOnSmartDelete(const Position&, const Position&);
+    void initializePositionData();
+    void saveTypingStyleState();
+    void insertPlaceholderForAncestorBlockContent();
+    bool handleSpecialCaseBRDelete();
+    void handleGeneralDelete();
+    void fixupWhitespace();
+    void mergeParagraphs();
+    void removePreviouslySelectedEmptyTableRows();
+    void calculateEndingPosition();
+    void calculateTypingStyleAfterDelete();
+    void clearTransientState();
+    virtual void removeNode(PassRefPtr<Node>);
+    virtual void deleteTextFromNode(PassRefPtr<Text>, unsigned, unsigned);
+
+    bool m_hasSelectionToDelete;
+    bool m_smartDelete;
+    bool m_mergeBlocksAfterDelete;
+    bool m_needPlaceholder;
+    bool m_replace;
+    bool m_expandForSpecialElements;
+    bool m_pruneStartBlockIfNecessary;
+    bool m_startsAtEmptyLine;
+
+    // This data is transient and should be cleared at the end of the doApply function.
+    VisibleSelection m_selectionToDelete;
+    Position m_upstreamStart;
+    Position m_downstreamStart;
+    Position m_upstreamEnd;
+    Position m_downstreamEnd;
+    Position m_endingPosition;
+    Position m_leadingWhitespace;
+    Position m_trailingWhitespace;
+    RefPtr<Node> m_startBlock;
+    RefPtr<Node> m_endBlock;
+    RefPtr<CSSMutableStyleDeclaration> m_typingStyle;
+    RefPtr<CSSMutableStyleDeclaration> m_deleteIntoBlockquoteStyle;
+    RefPtr<Node> m_startRoot;
+    RefPtr<Node> m_endRoot;
+    RefPtr<Node> m_startTableRow;
+    RefPtr<Node> m_endTableRow;
+    RefPtr<Node> m_temporaryPlaceholder;
+};
+
+} // namespace WebCore
+
+#endif // DeleteSelectionCommand_h