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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 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 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 "CompositeEditCommand.h"
#include "NodeTraversal.h"
namespace WebCore {
class DocumentFragment;
class ReplacementFragment;
class ReplaceSelectionCommand : public CompositeEditCommand {
public:
enum CommandOption {
SelectReplacement = 1 << 0,
SmartReplace = 1 << 1,
MatchStyle = 1 << 2,
PreventNesting = 1 << 3,
MovingParagraph = 1 << 4,
SanitizeFragment = 1 << 5,
IgnoreMailBlockquote = 1 << 6,
};
typedef unsigned CommandOptions;
static Ref<ReplaceSelectionCommand> create(Document& document, RefPtr<DocumentFragment>&& fragment, CommandOptions options, EditAction editingAction = EditActionInsert)
{
return adoptRef(*new ReplaceSelectionCommand(document, WTFMove(fragment), options, editingAction));
}
private:
ReplaceSelectionCommand(Document&, RefPtr<DocumentFragment>&&, CommandOptions, EditAction);
virtual void doApply();
class InsertedNodes {
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->lastDescendant(); }
Node* pastLastLeaf() const
{
if (m_lastNodeInserted) {
ASSERT(lastLeafInserted());
return NodeTraversal::next(*lastLeafInserted());
}
return nullptr;
}
private:
RefPtr<Node> m_firstNodeInserted;
RefPtr<Node> m_lastNodeInserted;
};
Node* insertAsListItems(PassRefPtr<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(InsertedNodes&);
void moveNodeOutOfAncestor(PassRefPtr<Node>, PassRefPtr<Node> ancestor, InsertedNodes&);
void handleStyleSpans(InsertedNodes&);
void handlePasteAsQuotationNode();
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;
RefPtr<EditingStyle> m_insertionStyle;
bool m_selectReplacement;
bool m_smartReplace;
bool m_matchStyle;
RefPtr<DocumentFragment> m_documentFragment;
bool m_preventNesting;
bool m_movingParagraph;
bool m_sanitizeFragment;
bool m_shouldMergeEnd;
bool m_ignoreMailBlockquote;
};
} // namespace WebCore
#endif // ReplaceSelectionCommand_h
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