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
|
/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc.
* All rights reserved.
* Copyright (C) 2013 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 ElementStyleResources_h
#define ElementStyleResources_h
#include "core/CSSPropertyNames.h"
#include "core/css/CSSPropertyIDTemplates.h"
#include "platform/CrossOriginAttributeValue.h"
#include "platform/graphics/Color.h"
#include "platform/heap/Handle.h"
#include "wtf/HashMap.h"
#include "wtf/Noncopyable.h"
namespace blink {
class CSSImageGeneratorValue;
class CSSImageSetValue;
class CSSImageValue;
class CSSURIValue;
class CSSValue;
class ComputedStyle;
class Document;
class SVGElementProxy;
class StyleImage;
class StylePendingImage;
// Holds information about resources, requested by stylesheets.
// Lifetime: per-element style resolve.
class ElementStyleResources {
STACK_ALLOCATED();
WTF_MAKE_NONCOPYABLE(ElementStyleResources);
public:
ElementStyleResources(Document&, float deviceScaleFactor);
StyleImage* styleImage(CSSPropertyID, const CSSValue&);
StyleImage* cachedOrPendingFromValue(CSSPropertyID, const CSSImageValue&);
StyleImage* setOrPendingFromValue(CSSPropertyID, const CSSImageSetValue&);
SVGElementProxy& cachedOrPendingFromValue(const CSSURIValue&);
void loadPendingResources(ComputedStyle*);
private:
StyleImage* generatedOrPendingFromValue(CSSPropertyID,
const CSSImageGeneratorValue&);
void loadPendingSVGDocuments(ComputedStyle*);
void loadPendingImages(ComputedStyle*);
StyleImage* loadPendingImage(
ComputedStyle*,
StylePendingImage*,
CrossOriginAttributeValue = CrossOriginAttributeNotSet);
Member<Document> m_document;
HashSet<CSSPropertyID> m_pendingImageProperties;
float m_deviceScaleFactor;
};
} // namespace blink
#endif // ElementStyleResources_h
|
