1/*
2 * Copyright (C) 2010, Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1.  Redistributions of source code must retain the above copyright
8 *     notice, this list of conditions and the following disclaimer.
9 * 2.  Redistributions in binary form must reproduce the above copyright
10 *     notice, this list of conditions and the following disclaimer in the
11 *     documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 */
24
25#ifndef InspectorCSSAgent_h
26#define InspectorCSSAgent_h
27
28#include "InspectorDOMAgent.h"
29#include "InspectorStyleSheet.h"
30#include "InspectorValues.h"
31#include "PlatformString.h"
32
33#include <wtf/HashMap.h>
34#include <wtf/PassRefPtr.h>
35#include <wtf/RefPtr.h>
36
37namespace WebCore {
38
39class CSSRule;
40class CSSRuleList;
41class CSSStyleDeclaration;
42class CSSStyleRule;
43class CSSStyleSheet;
44class Document;
45class Element;
46class InspectorFrontend;
47class InstrumentingAgents;
48class NameNodeMap;
49class Node;
50class StyleBase;
51
52#if ENABLE(INSPECTOR)
53
54class InspectorCSSAgent : public InspectorDOMAgent::DOMListener {
55    WTF_MAKE_NONCOPYABLE(InspectorCSSAgent);
56public:
57    static CSSStyleSheet* parentStyleSheet(StyleBase*);
58    static CSSStyleRule* asCSSStyleRule(StyleBase*);
59
60    InspectorCSSAgent(InstrumentingAgents*, InspectorDOMAgent*);
61    ~InspectorCSSAgent();
62
63    void reset();
64    void getStylesForNode(ErrorString*, int nodeId, RefPtr<InspectorObject>* result);
65    void getInlineStyleForNode(ErrorString*, int nodeId, RefPtr<InspectorObject>* style);
66    void getComputedStyleForNode(ErrorString*, int nodeId, RefPtr<InspectorObject>* style);
67    void getAllStyleSheets(ErrorString*, RefPtr<InspectorArray>* styleSheetInfos);
68    void getStyleSheet(ErrorString*, const String& styleSheetId, RefPtr<InspectorObject>* result);
69    void getStyleSheetText(ErrorString*, const String& styleSheetId, String* result);
70    void setStyleSheetText(ErrorString*, const String& styleSheetId, const String& text);
71    void setPropertyText(ErrorString*, const RefPtr<InspectorObject>& styleId, int propertyIndex, const String& text, bool overwrite, RefPtr<InspectorObject>* result);
72    void toggleProperty(ErrorString*, const RefPtr<InspectorObject>& styleId, int propertyIndex, bool disable, RefPtr<InspectorObject>* result);
73    void setRuleSelector(ErrorString*, const RefPtr<InspectorObject>& ruleId, const String& selector, RefPtr<InspectorObject>* result);
74    void addRule(ErrorString*, const int contextNodeId, const String& selector, RefPtr<InspectorObject>* result);
75    void getSupportedCSSProperties(ErrorString*, RefPtr<InspectorArray>* result);
76
77private:
78    typedef HashMap<String, RefPtr<InspectorStyleSheet> > IdToInspectorStyleSheet;
79    typedef HashMap<CSSStyleSheet*, RefPtr<InspectorStyleSheet> > CSSStyleSheetToInspectorStyleSheet;
80    typedef HashMap<Node*, RefPtr<InspectorStyleSheetForInlineStyle> > NodeToInspectorStyleSheet; // bogus "stylesheets" with elements' inline styles
81    typedef HashMap<RefPtr<Document>, RefPtr<InspectorStyleSheet> > DocumentToViaInspectorStyleSheet; // "via inspector" stylesheets
82
83    static Element* inlineStyleElement(CSSStyleDeclaration*);
84
85    InspectorStyleSheetForInlineStyle* asInspectorStyleSheet(Element* element);
86    Element* elementForId(ErrorString*, int nodeId);
87
88    InspectorStyleSheet* bindStyleSheet(CSSStyleSheet*);
89    InspectorStyleSheet* viaInspectorStyleSheet(Document*, bool createIfAbsent);
90    InspectorStyleSheet* assertStyleSheetForId(ErrorString*, const String&);
91    String detectOrigin(CSSStyleSheet* pageStyleSheet, Document* ownerDocument);
92
93    PassRefPtr<InspectorArray> buildArrayForRuleList(CSSRuleList* ruleList);
94    PassRefPtr<InspectorArray> buildArrayForAttributeStyles(Element*);
95
96    // InspectorDOMAgent::DOMListener interface
97    virtual void didRemoveDocument(Document*);
98    virtual void didRemoveDOMNode(Node*);
99    virtual void didModifyDOMAttr(Element*);
100
101    InstrumentingAgents* m_instrumentingAgents;
102    InspectorDOMAgent* m_domAgent;
103
104    IdToInspectorStyleSheet m_idToInspectorStyleSheet;
105    CSSStyleSheetToInspectorStyleSheet m_cssStyleSheetToInspectorStyleSheet;
106    NodeToInspectorStyleSheet m_nodeToInspectorStyleSheet;
107    DocumentToViaInspectorStyleSheet m_documentToInspectorStyleSheet;
108
109    int m_lastStyleSheetId;
110    int m_lastRuleId;
111    int m_lastStyleId;
112};
113
114#endif
115
116} // namespace WebCore
117
118#endif // !defined(InspectorCSSAgent_h)
119