ReplaceSelectionCommand.h [plain text]
#ifndef replace_selection_command_h__
#define replace_selection_command_h__
#include "CompositeEditCommand.h"
#include <wtf/HashMap.h>
#include <wtf/Vector.h>
namespace WebCore {
class DocumentFragment;
enum EFragmentType { EmptyFragment, SingleTextNodeFragment, TreeFragment };
class RenderingInfo : public Shared<RenderingInfo> {
public:
RenderingInfo(PassRefPtr<CSSMutableStyleDeclaration>, bool);
CSSMutableStyleDeclaration* style() const { return m_style.get(); }
bool isBlockFlow() const { return m_isBlockFlow; }
private:
RefPtr<CSSMutableStyleDeclaration> m_style;
bool m_isBlockFlow;
};
typedef Vector<RefPtr<Node> > NodeVector;
typedef HashMap<Node*, RefPtr<RenderingInfo> > RenderingInfoMap;
class ReplacementFragment : Noncopyable
{
public:
ReplacementFragment(Document*, DocumentFragment*, bool matchStyle, const Selection&);
Node* firstChild() const;
Node* lastChild() const;
Node* mergeStartNode() const;
const RenderingInfoMap& renderingInfo() const { return m_renderingInfo; }
const NodeVector& nodes() const { return m_nodes; }
bool isEmpty() const;
bool hasMoreThanOneBlock() const { return m_hasMoreThanOneBlock; }
bool hasInterchangeNewlineAtStart() const { return m_hasInterchangeNewlineAtStart; }
bool hasInterchangeNewlineAtEnd() const { return m_hasInterchangeNewlineAtEnd; }
bool isBlockFlow(Node*) const;
void removeNode(PassRefPtr<Node>);
private:
static bool isInterchangeNewlineNode(const Node*);
static bool isInterchangeConvertedSpaceSpan(const Node*);
PassRefPtr<Node> insertFragmentForTestRendering(Node* context);
void saveRenderingInfo(Node*);
void computeStylesUsingTestRendering(Node*);
void removeUnrenderedNodes(Node*);
void restoreTestRenderingNodesToFragment(Node*);
int renderedBlocks(Node*);
void removeStyleNodes();
Node* enclosingBlock(Node*) const;
void removeNodePreservingChildren(Node*);
void insertNodeBefore(Node* node, Node* refNode);
RefPtr<Document> m_document;
RefPtr<DocumentFragment> m_fragment;
RenderingInfoMap m_renderingInfo;
NodeVector m_nodes;
bool m_matchStyle;
bool m_hasInterchangeNewlineAtStart;
bool m_hasInterchangeNewlineAtEnd;
bool m_hasMoreThanOneBlock;
};
class ReplaceSelectionCommand : public CompositeEditCommand
{
public:
ReplaceSelectionCommand(Document *document, DocumentFragment *fragment, bool selectReplacement=true, bool smartReplace=false, bool matchStyle=false, bool forceMergeStart=false, EditAction action=EditActionPaste);
virtual ~ReplaceSelectionCommand();
virtual void doApply();
virtual EditAction editingAction() const;
private:
void completeHTMLReplacement(const Position &lastPositionToSelect);
void insertNodeAfterAndUpdateNodesInserted(Node *insertChild, Node *refChild);
void insertNodeAtAndUpdateNodesInserted(Node *insertChild, Node *refChild, int offset);
void insertNodeBeforeAndUpdateNodesInserted(Node *insertChild, Node *refChild);
void updateNodesInserted(Node *);
void fixupNodeStyles(const NodeVector&, const RenderingInfoMap&);
bool shouldRemoveEndBR(Node*);
bool shouldMergeStart(const ReplacementFragment&, const Selection&);
bool shouldMergeEnd(const VisiblePosition&, bool selectionEndWasEndOfParagraph);
RefPtr<Node> m_firstNodeInserted;
RefPtr<Node> m_lastNodeInserted;
RefPtr<Node> m_lastTopNodeInserted;
RefPtr<CSSMutableStyleDeclaration> m_insertionStyle;
bool m_selectReplacement;
bool m_smartReplace;
bool m_matchStyle;
RefPtr<DocumentFragment> m_documentFragment;
bool m_forceMergeStart;
EditAction m_editAction;
};
}
#endif // __replace_selection_command_h__