| /* |
| * 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 "core/html/HTMLElement.h" |
| #include "core/html/HTMLImageLoader.h" |
| #include "core/html/canvas/CanvasImageSource.h" |
| #include "platform/graphics/GraphicsTypes.h" |
| #include "wtf/WeakPtr.h" |
| |
| namespace WebCore { |
| |
| class HTMLFormElement; |
| class ImageCandidate; |
| |
| class HTMLImageElement FINAL : public HTMLElement, public CanvasImageSource { |
| public: |
| static PassRefPtrWillBeRawPtr<HTMLImageElement> create(Document&); |
| static PassRefPtrWillBeRawPtr<HTMLImageElement> create(Document&, HTMLFormElement*, bool createdByParser); |
| static PassRefPtrWillBeRawPtr<HTMLImageElement> createForJSConstructor(Document&, int width, int height); |
| |
| virtual ~HTMLImageElement(); |
| virtual void trace(Visitor*) OVERRIDE; |
| |
| int width(bool ignorePendingStylesheets = false); |
| int height(bool ignorePendingStylesheets = false); |
| |
| int naturalWidth() const; |
| int naturalHeight() const; |
| const String& currentSrc() const; |
| |
| bool isServerMap() const; |
| |
| const AtomicString& altText() const; |
| |
| CompositeOperator compositeOperator() const { return m_compositeOperator; } |
| |
| ImageResource* cachedImage() const { return imageLoader().image(); } |
| void setImageResource(ImageResource* i) { imageLoader().setImage(i); }; |
| |
| void setLoadManually(bool loadManually) { 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 imageLoader().hasPendingActivity(); } |
| |
| virtual bool canContainRangeEndPoint() const OVERRIDE { return false; } |
| |
| void addClient(ImageLoaderClient* client) { imageLoader().addClient(client); } |
| void removeClient(ImageLoaderClient* client) { imageLoader().removeClient(client); } |
| |
| virtual const AtomicString imageSourceURL() const OVERRIDE; |
| |
| virtual HTMLFormElement* formOwner() const OVERRIDE; |
| void formRemovedFromTree(const Node& formRoot); |
| |
| // CanvasImageSourceImplementations |
| virtual PassRefPtr<Image> getSourceImageForCanvas(SourceImageMode, SourceImageStatus*) const; |
| virtual bool wouldTaintOrigin(SecurityOrigin*) const OVERRIDE; |
| virtual FloatSize sourceSize() const OVERRIDE; |
| virtual FloatSize defaultDestinationSize() const OVERRIDE; |
| virtual const KURL& sourceURL() const OVERRIDE; |
| |
| enum UpdateFromElementBehavior { |
| UpdateNormal, |
| UpdateIgnorePreviousError |
| }; |
| // public so that HTMLPictureElement can call this as well. |
| void selectSourceURL(UpdateFromElementBehavior); |
| protected: |
| explicit HTMLImageElement(Document&, HTMLFormElement* = 0, bool createdByParser = false); |
| |
| virtual void didMoveToNewDocument(Document& oldDocument) OVERRIDE; |
| |
| private: |
| virtual bool areAuthorShadowsAllowed() const OVERRIDE { return false; } |
| |
| virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE; |
| virtual bool isPresentationAttribute(const QualifiedName&) const OVERRIDE; |
| virtual void collectStyleForPresentationAttribute(const QualifiedName&, const AtomicString&, MutableStylePropertySet*) OVERRIDE; |
| |
| virtual void attach(const AttachContext& = AttachContext()) OVERRIDE; |
| virtual RenderObject* createRenderer(RenderStyle*) OVERRIDE; |
| |
| virtual bool canStartSelection() const OVERRIDE; |
| |
| virtual bool isURLAttribute(const Attribute&) const OVERRIDE; |
| virtual bool hasLegalLinkAttribute(const QualifiedName&) const OVERRIDE; |
| virtual const QualifiedName& subResourceAttributeName() const OVERRIDE; |
| |
| virtual bool draggable() const OVERRIDE; |
| |
| virtual InsertionNotificationRequest insertedInto(ContainerNode*) OVERRIDE; |
| virtual void removedFrom(ContainerNode*) OVERRIDE; |
| virtual bool shouldRegisterAsNamedItem() const OVERRIDE { return true; } |
| virtual bool shouldRegisterAsExtraNamedItem() const OVERRIDE { return true; } |
| virtual bool isInteractiveContent() const OVERRIDE; |
| virtual Image* imageContents() OVERRIDE; |
| |
| void resetFormOwner(); |
| ImageCandidate findBestFitImageFromPictureParent(); |
| void setBestFitURLAndDPRFromImageCandidate(const ImageCandidate&); |
| HTMLImageLoader& imageLoader() const { return *m_imageLoader; } |
| |
| OwnPtrWillBeMember<HTMLImageLoader> m_imageLoader; |
| #if ENABLE(OILPAN) |
| Member<HTMLFormElement> m_form; |
| #else |
| WeakPtr<HTMLFormElement> m_form; |
| #endif |
| CompositeOperator m_compositeOperator; |
| AtomicString m_bestFitImageURL; |
| float m_imageDevicePixelRatio; |
| bool m_formWasSetByParser; |
| bool m_elementCreatedByParser; |
| }; |
| |
| } //namespace |
| |
| #endif |