#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 PassRefPtr<ReplaceSelectionCommand> create(Document& document, PassRefPtr<DocumentFragment> fragment, CommandOptions options, EditAction action = EditActionPaste)
{
return adoptRef(new ReplaceSelectionCommand(document, fragment, options, action));
}
private:
ReplaceSelectionCommand(Document&, PassRefPtr<DocumentFragment>, CommandOptions, EditAction);
virtual void doApply() OVERRIDE;
virtual EditAction editingAction() const OVERRIDE;
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 ? &m_lastNodeInserted->lastDescendant() : 0; }
Node* pastLastLeaf() const { return m_lastNodeInserted ? NodeTraversal::next(m_lastNodeInserted->lastDescendant()) : 0; }
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(const InsertedNodes&);
void moveNodeOutOfAncestor(PassRefPtr<Node>, PassRefPtr<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;
RefPtr<EditingStyle> m_insertionStyle;
bool m_selectReplacement;
bool m_smartReplace;
bool m_matchStyle;
RefPtr<DocumentFragment> m_documentFragment;
bool m_preventNesting;
bool m_movingParagraph;
EditAction m_editAction;
bool m_sanitizeFragment;
bool m_shouldMergeEnd;
};
}
#endif