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
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
|
/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* Copyright (C) 2004, 2008, 2010 Apple Inc. All rights reserved.
* Copyright (C) 2010 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 HTMLImageElement_h
#define HTMLImageElement_h
#include "GraphicsTypes.h"
#include "HTMLElement.h"
#include "HTMLImageLoader.h"
#include "ImageLoaderClient.h"
namespace WebCore {
class HTMLFormElement;
class ImageInnerElement;
class ImageElement {
protected:
void setImageIfNecessary(RenderObject*, ImageLoader*);
RenderObject* createRendererForImage(HTMLElement*, RenderArena*);
};
class HTMLImageElement : public HTMLElement, public ImageElement, public ImageLoaderClient {
friend class HTMLFormElement;
friend class ImageInnerElement;
public:
static PassRefPtr<HTMLImageElement> create(Document*);
static PassRefPtr<HTMLImageElement> create(const QualifiedName&, Document*, HTMLFormElement*);
static PassRefPtr<HTMLImageElement> createForJSConstructor(Document*, const int* optionalWidth, const int* optionalHeight);
virtual ~HTMLImageElement();
virtual void willAddAuthorShadowRoot() OVERRIDE;
int width(bool ignorePendingStylesheets = false);
int height(bool ignorePendingStylesheets = false);
int naturalWidth() const;
int naturalHeight() const;
bool isServerMap() const;
String altText() const;
CompositeOperator compositeOperator() const { return m_compositeOperator; }
CachedImage* cachedImage() const { return m_imageLoader.image(); }
void setCachedImage(CachedImage* i) { m_imageLoader.setImage(i); };
void setLoadManually(bool loadManually) { m_imageLoader.setLoadManually(loadManually); }
const AtomicString& alt() const;
void setHeight(int);
KURL src() const;
void setSrc(const String&);
void setWidth(int);
int x() const;
int y() const;
bool complete() const;
bool hasPendingActivity() const { return m_imageLoader.hasPendingActivity(); }
virtual bool canContainRangeEndPoint() const { return false; }
virtual void reportMemoryUsage(MemoryObjectInfo*) const OVERRIDE;
protected:
HTMLImageElement(const QualifiedName&, Document*, HTMLFormElement* = 0);
virtual void didMoveToNewDocument(Document* oldDocument) OVERRIDE;
private:
virtual void createShadowSubtree();
virtual bool areAuthorShadowsAllowed() const OVERRIDE { return false; }
// Implementation of ImageLoaderClient
Element* sourceElement() { return this; }
Element* imageElement();
void refSourceElement() { ref(); }
void derefSourceElement() { deref(); }
virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
virtual bool isPresentationAttribute(const QualifiedName&) const OVERRIDE;
virtual void collectStyleForPresentationAttribute(const Attribute&, StylePropertySet*) OVERRIDE;
virtual void attach();
virtual RenderObject* createRenderer(RenderArena*, RenderStyle*);
virtual bool canStartSelection() const;
virtual bool isURLAttribute(const Attribute&) const OVERRIDE;
virtual bool draggable() const;
virtual void addSubresourceAttributeURLs(ListHashSet<KURL>&) const;
virtual InsertionNotificationRequest insertedInto(ContainerNode*) OVERRIDE;
virtual void removedFrom(ContainerNode*) OVERRIDE;
virtual bool shouldRegisterAsNamedItem() const OVERRIDE { return true; }
virtual bool shouldRegisterAsExtraNamedItem() const OVERRIDE { return true; }
#if ENABLE(MICRODATA)
virtual String itemValueText() const OVERRIDE;
virtual void setItemValueText(const String&, ExceptionCode&) OVERRIDE;
#endif
RenderObject* imageRenderer() const { return HTMLElement::renderer(); }
HTMLImageLoader* imageLoader() { return &m_imageLoader; }
ImageInnerElement* innerElement() const;
HTMLImageLoader m_imageLoader;
HTMLFormElement* m_form;
CompositeOperator m_compositeOperator;
};
inline bool isHTMLImageElement(Node* node)
{
return node->hasTagName(HTMLNames::imgTag);
}
inline HTMLImageElement* toHTMLImageElement(Node* node)
{
ASSERT(!node || isHTMLImageElement(node));
return static_cast<HTMLImageElement*>(node);
}
} //namespace
#endif
|
