1/*
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
3 *           (C) 1999 Antti Koivisto (koivisto@kde.org)
4 * Copyright (C) 2004, 2008, 2010 Apple Inc. All rights reserved.
5 * Copyright (C) 2010 Google Inc. All rights reserved.
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15 * Library General Public License for more details.
16 *
17 * You should have received a copy of the GNU Library General Public License
18 * along with this library; see the file COPYING.LIB.  If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 * Boston, MA 02110-1301, USA.
21 *
22 */
23
24#ifndef HTMLImageElement_h
25#define HTMLImageElement_h
26
27#include "GraphicsTypes.h"
28#include "HTMLElement.h"
29#include "HTMLImageLoader.h"
30
31namespace WebCore {
32
33class HTMLFormElement;
34
35class HTMLImageElement : public HTMLElement {
36    friend class HTMLFormElement;
37public:
38    static PassRefPtr<HTMLImageElement> create(Document*);
39    static PassRefPtr<HTMLImageElement> create(const QualifiedName&, Document*, HTMLFormElement*);
40    static PassRefPtr<HTMLImageElement> createForJSConstructor(Document*, const int* optionalWidth, const int* optionalHeight);
41
42    virtual ~HTMLImageElement();
43
44    int width(bool ignorePendingStylesheets = false);
45    int height(bool ignorePendingStylesheets = false);
46
47    int naturalWidth() const;
48    int naturalHeight() const;
49
50    bool isServerMap() const;
51
52    String altText() const;
53
54    CompositeOperator compositeOperator() const { return m_compositeOperator; }
55
56    CachedImage* cachedImage() const { return m_imageLoader.image(); }
57    void setCachedImage(CachedImage* i) { m_imageLoader.setImage(i); };
58
59    void setLoadManually(bool loadManually) { m_imageLoader.setLoadManually(loadManually); }
60
61    const AtomicString& alt() const;
62
63    void setHeight(int);
64
65    KURL src() const;
66    void setSrc(const String&);
67
68    void setWidth(int);
69
70    int x() const;
71    int y() const;
72
73    bool complete() const;
74
75    bool hasPendingActivity() const { return m_imageLoader.hasPendingActivity(); }
76
77    virtual bool canContainRangeEndPoint() const { return false; }
78
79protected:
80    HTMLImageElement(const QualifiedName&, Document*, HTMLFormElement* = 0);
81
82    virtual void didMoveToNewDocument(Document* oldDocument) OVERRIDE;
83
84private:
85    virtual bool areAuthorShadowsAllowed() const OVERRIDE { return false; }
86
87    virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
88    virtual bool isPresentationAttribute(const QualifiedName&) const OVERRIDE;
89    virtual void collectStyleForPresentationAttribute(const QualifiedName&, const AtomicString&, MutableStylePropertySet*) OVERRIDE;
90
91    virtual void attach(const AttachContext& = AttachContext()) OVERRIDE;
92    virtual RenderObject* createRenderer(RenderArena*, RenderStyle*);
93
94    virtual bool canStartSelection() const;
95
96    virtual bool isURLAttribute(const Attribute&) const OVERRIDE;
97
98    virtual bool draggable() const;
99
100    virtual void addSubresourceAttributeURLs(ListHashSet<KURL>&) const;
101
102    virtual InsertionNotificationRequest insertedInto(ContainerNode*) OVERRIDE;
103    virtual void removedFrom(ContainerNode*) OVERRIDE;
104
105#if ENABLE(MICRODATA)
106    virtual String itemValueText() const OVERRIDE;
107    virtual void setItemValueText(const String&, ExceptionCode&) OVERRIDE;
108#endif
109
110    HTMLImageLoader m_imageLoader;
111    HTMLFormElement* m_form;
112    CompositeOperator m_compositeOperator;
113};
114
115} //namespace
116
117#endif
118