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26 #ifndef ApplyStyleCommand_h
27 #define ApplyStyleCommand_h
29 #include "CompositeEditCommand.h"
33 class CSSPrimitiveValue;
37 enum ShouldIncludeTypingStyle {
42 class ApplyStyleCommand : public CompositeEditCommand {
44 enum EPropertyLevel { PropertyDefault, ForceBlockProperties };
45 enum InlineStyleRemovalMode { RemoveIfNeeded, RemoveAlways, RemoveNone };
46 enum EAddStyledElement { AddStyledElement, DoNotAddStyledElement };
48 static PassRefPtr<ApplyStyleCommand> create(Document* document, CSSStyleDeclaration* style, EditAction action = EditActionChangeAttributes, EPropertyLevel level = PropertyDefault)
50 return adoptRef(new ApplyStyleCommand(document, style, action, level));
52 static PassRefPtr<ApplyStyleCommand> create(Document* document, CSSStyleDeclaration* style, const Position& start, const Position& end, EditAction action = EditActionChangeAttributes, EPropertyLevel level = PropertyDefault)
54 return adoptRef(new ApplyStyleCommand(document, style, start, end, action, level));
56 static PassRefPtr<ApplyStyleCommand> create(PassRefPtr<Element> element, bool removeOnly = false, EditAction action = EditActionChangeAttributes)
58 return adoptRef(new ApplyStyleCommand(element, removeOnly, action));
61 static RefPtr<CSSMutableStyleDeclaration> removeNonEditingProperties(CSSStyleDeclaration* style);
62 static PassRefPtr<CSSMutableStyleDeclaration> editingStyleAtPosition(Position pos, ShouldIncludeTypingStyle shouldIncludeTypingStyle = IgnoreTypingStyle);
65 ApplyStyleCommand(Document*, CSSStyleDeclaration*, EditAction, EPropertyLevel);
66 ApplyStyleCommand(Document*, CSSStyleDeclaration*, const Position& start, const Position& end, EditAction, EPropertyLevel);
67 ApplyStyleCommand(PassRefPtr<Element>, bool removeOnly, EditAction);
69 virtual void doApply();
70 virtual EditAction editingAction() const;
72 CSSMutableStyleDeclaration* style() const { return m_style.get(); }
74 // style-removal helpers
75 bool removeStyleFromRunBeforeApplyingStyle(CSSMutableStyleDeclaration* style, Node*& runStart, Node*& runEnd);
76 bool removeInlineStyleFromElement(CSSMutableStyleDeclaration*, HTMLElement*, InlineStyleRemovalMode = RemoveIfNeeded, CSSMutableStyleDeclaration* extractedStyle = 0);
77 inline bool shouldRemoveInlineStyleFromElement(CSSMutableStyleDeclaration* style, HTMLElement* element) {return removeInlineStyleFromElement(style, element, RemoveNone);}
78 bool removeImplicitlyStyledElement(CSSMutableStyleDeclaration*, HTMLElement*, InlineStyleRemovalMode, CSSMutableStyleDeclaration* extractedStyle);
79 void replaceWithSpanOrRemoveIfWithoutAttributes(HTMLElement*&);
80 bool removeCSSStyle(CSSMutableStyleDeclaration*, HTMLElement*, InlineStyleRemovalMode = RemoveIfNeeded, CSSMutableStyleDeclaration* extractedStyle = 0);
81 HTMLElement* highestAncestorWithConflictingInlineStyle(CSSMutableStyleDeclaration*, Node*);
82 void applyInlineStyleToPushDown(Node*, CSSMutableStyleDeclaration *style);
83 void pushDownInlineStyleAroundNode(CSSMutableStyleDeclaration*, Node*);
84 void removeInlineStyle(PassRefPtr<CSSMutableStyleDeclaration>, const Position& start, const Position& end);
85 bool nodeFullySelected(Node*, const Position& start, const Position& end) const;
86 bool nodeFullyUnselected(Node*, const Position& start, const Position& end) const;
88 // style-application helpers
89 void applyBlockStyle(CSSMutableStyleDeclaration*);
90 void applyRelativeFontStyleChange(CSSMutableStyleDeclaration*);
91 void applyInlineStyle(CSSMutableStyleDeclaration*);
92 void fixRangeAndApplyInlineStyle(CSSMutableStyleDeclaration*, const Position& start, const Position& end);
93 void applyInlineStyleToNodeRange(CSSMutableStyleDeclaration*, Node* startNode, Node* pastEndNode);
94 void addBlockStyle(const StyleChange&, HTMLElement*);
95 void addInlineStyleIfNeeded(CSSMutableStyleDeclaration*, Node* start, Node* end, EAddStyledElement addStyledElement = AddStyledElement);
96 void splitTextAtStart(const Position& start, const Position& end);
97 void splitTextAtEnd(const Position& start, const Position& end);
98 void splitTextElementAtStart(const Position& start, const Position& end);
99 void splitTextElementAtEnd(const Position& start, const Position& end);
100 bool shouldSplitTextElement(Element* elem, CSSMutableStyleDeclaration*);
101 bool isValidCaretPositionInTextNode(const Position& position);
102 bool mergeStartWithPreviousIfIdentical(const Position& start, const Position& end);
103 bool mergeEndWithNextIfIdentical(const Position& start, const Position& end);
104 void cleanupUnstyledAppleStyleSpans(Node* dummySpanAncestor);
106 void surroundNodeRangeWithElement(Node* start, Node* end, PassRefPtr<Element>);
107 float computedFontSize(const Node*);
108 void joinChildTextNodes(Node*, const Position& start, const Position& end);
110 HTMLElement* splitAncestorsWithUnicodeBidi(Node*, bool before, int allowedDirection);
111 void removeEmbeddingUpToEnclosingBlock(Node* node, Node* unsplitAncestor);
113 void updateStartEnd(const Position& newStart, const Position& newEnd);
114 Position startPosition();
115 Position endPosition();
117 RefPtr<CSSMutableStyleDeclaration> m_style;
118 EditAction m_editingAction;
119 EPropertyLevel m_propertyLevel;
122 bool m_useEndingSelection;
123 RefPtr<Element> m_styledInlineElement;
127 bool isStyleSpan(const Node*);
128 PassRefPtr<HTMLElement> createStyleSpanElement(Document*);
129 RefPtr<CSSMutableStyleDeclaration> getPropertiesNotIn(CSSStyleDeclaration* styleWithRedundantProperties, CSSStyleDeclaration* baseStyle);
131 void prepareEditingStyleToApplyAt(CSSMutableStyleDeclaration*, Position);
132 void removeStylesAddedByNode(CSSMutableStyleDeclaration*, Node*);
134 } // namespace WebCore