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+/*
+ * Copyright (C) 2005, 2006 Apple Computer, 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 CompositeEditCommand_h
+#define CompositeEditCommand_h
+
+#include "EditCommand.h"
+#include <wtf/Vector.h>
+
+namespace WebCore {
+
+class CSSStyleDeclaration;
+class Text;
+
+class CompositeEditCommand : public EditCommand {
+public:
+ CompositeEditCommand(Document*);
+
+ bool isFirstCommand(EditCommand* c) { return !m_commands.isEmpty() && m_commands.first() == c; }
+
+protected:
+ //
+ // sugary-sweet convenience functions to help create and apply edit commands in composite commands
+ //
+ void appendNode(Node* appendChild, Node* parentNode);
+ void applyCommandToComposite(PassRefPtr<EditCommand>);
+ void applyStyle(CSSStyleDeclaration*, EditAction = EditActionChangeAttributes);
+ void applyStyle(CSSStyleDeclaration*, const Position& start, const Position& end, EditAction = EditActionChangeAttributes);
+ void applyStyledElement(Element*);
+ void removeStyledElement(Element*);
+ void deleteSelection(bool smartDelete = false, bool mergeBlocksAfterDelete = true, bool replace = false, bool expandForSpecialElements = true);
+ void deleteSelection(const Selection&, bool smartDelete = false, bool mergeBlocksAfterDelete = true, bool replace = false, bool expandForSpecialElements = true);
+ virtual void deleteTextFromNode(Text* node, int offset, int count);
+ void inputText(const String&, bool selectInsertedText = false);
+ void insertNodeAfter(Node* insertChild, Node* refChild);
+ void insertNodeAt(Node* insertChild, const Position&);
+ void insertNodeBefore(Node* insertChild, Node* refChild);
+ void insertParagraphSeparator(bool useDefaultParagraphElement = false);
+ void insertLineBreak();
+ void insertTextIntoNode(Text* node, int offset, const String& text);
+ void joinTextNodes(Text*, Text*);
+ void rebalanceWhitespace();
+ void rebalanceWhitespaceAt(const Position&);
+ void prepareWhitespaceAtPositionForSplit(Position& position);
+ void removeCSSProperty(CSSStyleDeclaration*, int property);
+ void removeNodeAttribute(Element*, const QualifiedName& attribute);
+ void removeChildrenInRange(Node*, int from, int to);
+ virtual void removeNode(Node*);
+ void removeNodePreservingChildren(Node*);
+ void removeNodeAndPruneAncestors(Node*);
+ void prune(PassRefPtr<Node>);
+ void replaceTextInNode(Text* node, int offset, int count, const String& replacementText);
+ Position positionOutsideTabSpan(const Position&);
+ void insertNodeAtTabSpanPosition(Node*, const Position&);
+ void setNodeAttribute(Element*, const QualifiedName& attribute, const String& value);
+ void splitTextNode(Text*, int offset);
+ void splitElement(Element*, Node* atChild);
+ void mergeIdenticalElements(Element*, Element*);
+ void wrapContentsInDummySpan(Element*);
+ void splitTextNodeContainingElement(Text*, int offset);
+
+ void deleteInsignificantText(Text*, int start, int end);
+ void deleteInsignificantText(const Position& start, const Position& end);
+ void deleteInsignificantTextDownstream(const Position&);
+
+ Node *appendBlockPlaceholder(Node*);
+ Node *insertBlockPlaceholder(const Position&);
+ Node *addBlockPlaceholderIfNeeded(Node*);
+ void removePlaceholderAt(const VisiblePosition&);
+
+ Node* moveParagraphContentsToNewBlockIfNecessary(const Position&);
+
+ void pushAnchorElementDown(Node*);
+ void pushPartiallySelectedAnchorElementsDown();
+
+ void moveParagraph(const VisiblePosition&, const VisiblePosition&, const VisiblePosition&, bool preserveSelection = false, bool preserveStyle = true);
+ void moveParagraphs(const VisiblePosition&, const VisiblePosition&, const VisiblePosition&, bool preserveSelection = false, bool preserveStyle = true);
+
+ bool breakOutOfEmptyListItem();
+
+ Position positionAvoidingSpecialElementBoundary(const Position&, bool alwaysAvoidAnchors = true);
+
+ Node* splitTreeToNode(Node*, Node*, bool splitAncestor = false);
+
+ Vector<RefPtr<EditCommand> > m_commands;
+
+private:
+ virtual void doUnapply();
+ virtual void doReapply();
+};
+
+} // namespace WebCore
+
+#endif // CompositeEditCommand_h