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/*
* 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 ReplaceSelectionCommand_h
#define ReplaceSelectionCommand_h
#include "core/dom/NodeTraversal.h"
#include "core/editing/CompositeEditCommand.h"
namespace WebCore {
class DocumentFragment;
class ReplacementFragment;
class ReplaceSelectionCommand FINAL : public CompositeEditCommand {
public:
enum CommandOption {
SelectReplacement = 1 << 0,
SmartReplace = 1 << 1,
MatchStyle = 1 << 2,
PreventNesting = 1 << 3,
MovingParagraph = 1 << 4,
SanitizeFragment = 1 << 5
};
typedef unsigned CommandOptions;
static PassRefPtrWillBeRawPtr<ReplaceSelectionCommand> create(Document& document, PassRefPtrWillBeRawPtr<DocumentFragment> fragment, CommandOptions options, EditAction action = EditActionPaste)
{
return adoptRefWillBeNoop(new ReplaceSelectionCommand(document, fragment, options, action));
}
virtual void trace(Visitor*) OVERRIDE;
private:
ReplaceSelectionCommand(Document&, PassRefPtrWillBeRawPtr<DocumentFragment>, CommandOptions, EditAction);
virtual void doApply() OVERRIDE;
virtual EditAction editingAction() const OVERRIDE;
class InsertedNodes {
STACK_ALLOCATED();
public:
void respondToNodeInsertion(Node&);
void willRemoveNodePreservingChildren(Node&);
void willRemoveNode(Node&);
void didReplaceNode(Node&, Node& newNode);
Node* firstNodeInserted() const { return m_firstNodeInserted.get(); }
Node* lastLeafInserted() const { return m_lastNodeInserted ? &m_lastNodeInserted->lastDescendantOrSelf() : 0; }
Node* pastLastLeaf() const { return m_lastNodeInserted ? NodeTraversal::next(m_lastNodeInserted->lastDescendantOrSelf()) : 0; }
private:
RefPtrWillBeMember<Node> m_firstNodeInserted;
RefPtrWillBeMember<Node> m_lastNodeInserted;
};
Node* insertAsListItems(PassRefPtrWillBeRawPtr<HTMLElement> listElement, Node* insertionNode, const Position&, InsertedNodes&);
void updateNodesInserted(Node*);
bool shouldRemoveEndBR(Node*, const VisiblePosition&);
bool shouldMergeStart(bool, bool, bool);
bool shouldMergeEnd(bool selectionEndWasEndOfParagraph);
bool shouldMerge(const VisiblePosition&, const VisiblePosition&);
void mergeEndIfNeeded();
void removeUnrenderedTextNodesAtEnds(InsertedNodes&);
void removeRedundantStylesAndKeepStyleSpanInline(InsertedNodes&);
void makeInsertedContentRoundTrippableWithHTMLTreeBuilder(const InsertedNodes&);
void moveNodeOutOfAncestor(PassRefPtrWillBeRawPtr<Node>, PassRefPtrWillBeRawPtr<Node> ancestor);
void handleStyleSpans(InsertedNodes&);
VisiblePosition positionAtStartOfInsertedContent() const;
VisiblePosition positionAtEndOfInsertedContent() const;
bool shouldPerformSmartReplace() const;
void addSpacesForSmartReplace();
void completeHTMLReplacement(const Position& lastPositionToSelect);
void mergeTextNodesAroundPosition(Position&, Position& positionOnlyToBeUpdated);
bool performTrivialReplace(const ReplacementFragment&);
Position m_startOfInsertedContent;
Position m_endOfInsertedContent;
RefPtrWillBeMember<EditingStyle> m_insertionStyle;
bool m_selectReplacement;
bool m_smartReplace;
bool m_matchStyle;
RefPtrWillBeMember<DocumentFragment> m_documentFragment;
bool m_preventNesting;
bool m_movingParagraph;
EditAction m_editAction;
bool m_sanitizeFragment;
bool m_shouldMergeEnd;
};
} // namespace WebCore
#endif // ReplaceSelectionCommand_h
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