1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
|
/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* (C) 2001 Dirk Mueller (mueller@kde.org)
* (C) 2006 Alexey Proskuryakov (ap@webkit.org)
* Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
* Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
* Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
* Copyright (C) 2011 Google Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef TreeScopeStyleSheetCollection_h
#define TreeScopeStyleSheetCollection_h
#include "core/dom/Document.h"
#include "core/dom/DocumentOrderedList.h"
#include "core/dom/StyleSheetCollection.h"
#include "core/dom/StyleSheetScopingNodeList.h"
#include "core/dom/TreeScope.h"
#include "wtf/FastAllocBase.h"
#include "wtf/HashMap.h"
#include "wtf/ListHashSet.h"
#include "wtf/RefPtr.h"
#include "wtf/Vector.h"
#include "wtf/text/WTFString.h"
namespace WebCore {
class ContainerNode;
class DocumentStyleSheetCollector;
class StyleEngine;
class Node;
class StyleSheetContents;
class StyleSheetList;
class StyleRuleFontFace;
class TreeScopeStyleSheetCollection : public StyleSheetCollection {
public:
void addStyleSheetCandidateNode(Node*, bool createdByParser);
void removeStyleSheetCandidateNode(Node*, ContainerNode* scopingNode);
bool hasStyleSheetCandidateNodes() const { return !m_styleSheetCandidateNodes.isEmpty(); }
bool usesRemUnits() const { return m_usesRemUnits; }
DocumentOrderedList& styleSheetCandidateNodes() { return m_styleSheetCandidateNodes; }
DocumentOrderedList* scopingNodesForStyleScoped() { return m_scopingNodesForStyleScoped.scopingNodes(); }
ListHashSet<Node*, 4>* scopingNodesRemoved() { return m_scopingNodesForStyleScoped.scopingNodesRemoved(); }
void clearMediaQueryRuleSetStyleSheets();
void enableExitTransitionStylesheets();
virtual void trace(Visitor* visitor) OVERRIDE
{
StyleSheetCollection::trace(visitor);
}
protected:
explicit TreeScopeStyleSheetCollection(TreeScope&);
Document& document() const { return m_treeScope.document(); }
enum StyleResolverUpdateType {
Reconstruct,
Reset,
Additive
};
class StyleSheetChange {
STACK_ALLOCATED();
public:
StyleResolverUpdateType styleResolverUpdateType;
bool requiresFullStyleRecalc;
WillBeHeapVector<RawPtrWillBeMember<const StyleRuleFontFace> > fontFaceRulesToRemove;
StyleSheetChange()
: styleResolverUpdateType(Reconstruct)
, requiresFullStyleRecalc(true) { }
};
void analyzeStyleSheetChange(StyleResolverUpdateMode, const StyleSheetCollection&, StyleSheetChange&);
void resetAllRuleSetsInTreeScope(StyleResolver*);
void updateUsesRemUnits();
private:
static StyleResolverUpdateType compareStyleSheets(const WillBeHeapVector<RefPtrWillBeMember<CSSStyleSheet> >& oldStyleSheets, const WillBeHeapVector<RefPtrWillBeMember<CSSStyleSheet> >& newStylesheets, WillBeHeapVector<RawPtrWillBeMember<StyleSheetContents> >& addedSheets);
bool activeLoadingStyleSheetLoaded(const WillBeHeapVector<RefPtrWillBeMember<CSSStyleSheet> >& newStyleSheets);
protected:
TreeScope& m_treeScope;
bool m_hadActiveLoadingStylesheet;
bool m_usesRemUnits;
DocumentOrderedList m_styleSheetCandidateNodes;
StyleSheetScopingNodeList m_scopingNodesForStyleScoped;
};
}
#endif
|
