File: StyleCachedImage.h

package info (click to toggle)
webkit2gtk 2.48.5-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 429,764 kB
  • sloc: cpp: 3,697,587; javascript: 194,444; ansic: 169,997; python: 46,499; asm: 19,295; ruby: 18,528; perl: 16,602; xml: 4,650; yacc: 2,360; sh: 2,098; java: 1,993; lex: 1,327; pascal: 366; makefile: 298
file content (100 lines) | stat: -rw-r--r-- 3,978 bytes parent folder | download | duplicates (7)
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
/*
 * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
 *           (C) 2000 Antti Koivisto (koivisto@kde.org)
 *           (C) 2000 Dirk Mueller (mueller@kde.org)
 * Copyright (C) 2003-2023 Apple 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.
 *
 */

#pragma once

#include "CachedResourceHandle.h"
#include "StyleImage.h"
#include <wtf/TZoneMalloc.h>

namespace WebCore {

class CSSValue;
class CSSImageValue;
class CachedImage;
class Document;
class LegacyRenderSVGResourceContainer;
class RenderElement;
class RenderSVGResourceContainer;
class TreeScope;

class StyleCachedImage final : public StyleImage {
    WTF_MAKE_TZONE_ALLOCATED(StyleCachedImage);
public:
    static Ref<StyleCachedImage> create(Ref<CSSImageValue>, float scaleFactor = 1);
    static Ref<StyleCachedImage> copyOverridingScaleFactor(StyleCachedImage&, float scaleFactor);
    virtual ~StyleCachedImage();

    bool operator==(const StyleImage&) const final;
    bool equals(const StyleCachedImage&) const;

    CachedImage* cachedImage() const final;

    WrappedImagePtr data() const final { return m_cachedImage.get(); }

    Ref<CSSValue> computedStyleValue(const RenderStyle&) const final;
    
    bool canRender(const RenderElement*, float multiplier) const final;
    bool isPending() const final;
    void load(CachedResourceLoader&, const ResourceLoaderOptions&) final;
    bool isLoaded(const RenderElement*) const final;
    bool errorOccurred() const final;
    FloatSize imageSize(const RenderElement*, float multiplier) const final;
    bool imageHasRelativeWidth() const final;
    bool imageHasRelativeHeight() const final;
    void computeIntrinsicDimensions(const RenderElement*, Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio) final;
    bool usesImageContainerSize() const final;
    void setContainerContextForRenderer(const RenderElement&, const FloatSize&, float) final;
    void addClient(RenderElement&) final;
    void removeClient(RenderElement&) final;
    bool hasClient(RenderElement&) const final;
    bool hasImage() const final;
    RefPtr<Image> image(const RenderElement*, const FloatSize&, bool isForFirstLine) const final;
    float imageScaleFactor() const final;
    bool knownToBeOpaque(const RenderElement&) const final;
    bool usesDataProtocol() const final;

    URL reresolvedURL(const Document&) const;

    URL imageURL() const;

private:
    StyleCachedImage(Ref<CSSImageValue>&&, float);

    LegacyRenderSVGResourceContainer* uncheckedRenderSVGResource(TreeScope&, const AtomString& fragment) const;
    LegacyRenderSVGResourceContainer* uncheckedRenderSVGResource(const RenderElement*) const;
    LegacyRenderSVGResourceContainer* legacyRenderSVGResource(const RenderElement*) const;
    RenderSVGResourceContainer* renderSVGResource(const RenderElement*) const;
    bool isRenderSVGResource(const RenderElement*) const;

    Ref<CSSImageValue> m_cssValue;
    bool m_isPending { true };
    mutable float m_scaleFactor { 1 };
    mutable CachedResourceHandle<CachedImage> m_cachedImage;
    mutable std::optional<bool> m_isRenderSVGResource;
    FloatSize m_containerSize;
};

} // namespace WebCore

SPECIALIZE_TYPE_TRAITS_STYLE_IMAGE(StyleCachedImage, isCachedImage)