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 "core/html/HTMLElement.h" 28 #include "core/html/HTMLImageLoader.h" 29 #include "platform/graphics/GraphicsTypes.h" 30 31 namespace WebCore { 32 33 class HTMLFormElement; 34 35 class HTMLImageElement FINAL : public HTMLElement { 36 friend class HTMLFormElement; 37 public: 38 static PassRefPtr<HTMLImageElement> create(Document&); 39 static PassRefPtr<HTMLImageElement> create(Document&, HTMLFormElement*); 40 static PassRefPtr<HTMLImageElement> createForJSConstructor(Document&, int width, int height); 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 const AtomicString& altText() const; 53 compositeOperator()54 CompositeOperator compositeOperator() const { return m_compositeOperator; } 55 cachedImage()56 ImageResource* cachedImage() const { return m_imageLoader.image(); } setImageResource(ImageResource * i)57 void setImageResource(ImageResource* i) { m_imageLoader.setImage(i); }; 58 setLoadManually(bool loadManually)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 hasPendingActivity()75 bool hasPendingActivity() const { return m_imageLoader.hasPendingActivity(); } 76 canContainRangeEndPoint()77 virtual bool canContainRangeEndPoint() const { return false; } 78 addClient(ImageLoaderClient * client)79 void addClient(ImageLoaderClient* client) { m_imageLoader.addClient(client); } removeClient(ImageLoaderClient * client)80 void removeClient(ImageLoaderClient* client) { m_imageLoader.removeClient(client); } 81 82 virtual const AtomicString imageSourceURL() const OVERRIDE; 83 84 virtual HTMLFormElement* formOwner() const OVERRIDE; 85 86 protected: 87 explicit HTMLImageElement(Document&, HTMLFormElement* = 0); 88 89 virtual void didMoveToNewDocument(Document& oldDocument) OVERRIDE; 90 91 private: areAuthorShadowsAllowed()92 virtual bool areAuthorShadowsAllowed() const OVERRIDE { return false; } 93 94 virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE; 95 virtual bool isPresentationAttribute(const QualifiedName&) const OVERRIDE; 96 virtual void collectStyleForPresentationAttribute(const QualifiedName&, const AtomicString&, MutableStylePropertySet*) OVERRIDE; 97 98 virtual void attach(const AttachContext& = AttachContext()) OVERRIDE; 99 virtual RenderObject* createRenderer(RenderStyle*); 100 101 virtual bool canStartSelection() const; 102 103 virtual bool isURLAttribute(const Attribute&) const OVERRIDE; 104 105 virtual bool draggable() const; 106 107 virtual void addSubresourceAttributeURLs(ListHashSet<KURL>&) const; 108 109 virtual InsertionNotificationRequest insertedInto(ContainerNode*) OVERRIDE; 110 virtual void removedFrom(ContainerNode*) OVERRIDE; shouldRegisterAsNamedItem()111 virtual bool shouldRegisterAsNamedItem() const OVERRIDE { return true; } shouldRegisterAsExtraNamedItem()112 virtual bool shouldRegisterAsExtraNamedItem() const OVERRIDE { return true; } 113 virtual bool isInteractiveContent() const OVERRIDE; 114 virtual Image* imageContents() OVERRIDE; 115 116 HTMLImageLoader m_imageLoader; 117 HTMLFormElement* m_form; 118 CompositeOperator m_compositeOperator; 119 AtomicString m_bestFitImageURL; 120 float m_imageDevicePixelRatio; 121 }; 122 123 DEFINE_NODE_TYPE_CASTS(HTMLImageElement, hasTagName(HTMLNames::imgTag)); 124 125 } //namespace 126 127 #endif 128