diff options
Diffstat (limited to 'src/3rdparty/webkit/WebCore/wml/WMLImageElement.cpp')
-rw-r--r-- | src/3rdparty/webkit/WebCore/wml/WMLImageElement.cpp | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/src/3rdparty/webkit/WebCore/wml/WMLImageElement.cpp b/src/3rdparty/webkit/WebCore/wml/WMLImageElement.cpp new file mode 100644 index 0000000..05ed9a0 --- /dev/null +++ b/src/3rdparty/webkit/WebCore/wml/WMLImageElement.cpp @@ -0,0 +1,148 @@ +/** + * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/) + * + * 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. + * + */ + +#include "config.h" + +#if ENABLE(WML) +#include "WMLImageElement.h" + +#include "CSSPropertyNames.h" +#include "CSSValueKeywords.h" +#include "HTMLElement.h" +#include "HTMLNames.h" +#include "RenderImage.h" +#include "WMLNames.h" +#include "WMLVariables.h" + +namespace WebCore { + +using namespace WMLNames; + +WMLImageElement::WMLImageElement(const QualifiedName& tagName, Document* doc) + : WMLElement(tagName, doc) + , m_imageLoader(this) + , m_useFallbackAttribute(false) +{ +} + +WMLImageElement::~WMLImageElement() +{ +} + +bool WMLImageElement::mapToEntry(const QualifiedName& attrName, MappedAttributeEntry& result) const +{ + if (attrName == HTMLNames::widthAttr || + attrName == HTMLNames::heightAttr || + attrName == HTMLNames::vspaceAttr || + attrName == HTMLNames::hspaceAttr) { + result = eUniversal; + return false; + } + + if (attrName == HTMLNames::alignAttr) { + result = eReplaced; + return false; + } + + return WMLElement::mapToEntry(attrName, result); +} + +void WMLImageElement::parseMappedAttribute(MappedAttribute* attr) +{ + const QualifiedName& attrName = attr->name(); + + if (attrName == HTMLNames::altAttr) { + if (renderer() && renderer()->isImage()) + static_cast<RenderImage*>(renderer())->updateAltText(); + } else if (attrName == HTMLNames::srcAttr || attrName == localsrcAttr) + m_imageLoader.updateFromElementIgnoringPreviousError(); + else if (attrName == HTMLNames::widthAttr) + addCSSLength(attr, CSSPropertyWidth, attr->value()); + else if (attrName == HTMLNames::heightAttr) + addCSSLength(attr, CSSPropertyHeight, attr->value()); + else if (attrName == HTMLNames::vspaceAttr) { + addCSSLength(attr, CSSPropertyMarginTop, attr->value()); + addCSSLength(attr, CSSPropertyMarginBottom, attr->value()); + } else if (attrName == HTMLNames::hspaceAttr) { + addCSSLength(attr, CSSPropertyMarginLeft, attr->value()); + addCSSLength(attr, CSSPropertyMarginRight, attr->value()); + } else if (attrName == HTMLNames::alignAttr) + HTMLElement::addHTMLAlignmentToStyledElement(this, attr); + else + WMLElement::parseMappedAttribute(attr); +} + +void WMLImageElement::attach() +{ + WMLElement::attach(); + + if (renderer() && renderer()->isImage()) { + RenderImage* imageObj = static_cast<RenderImage*>(renderer()); + if (imageObj->hasImage()) + return; + + imageObj->setCachedImage(m_imageLoader.image()); + + // If we have no image at all because we have no src attribute, set + // image height and width for the alt text instead. + if (!m_imageLoader.image() && !imageObj->cachedImage()) + imageObj->setImageSizeForAltText(); + } +} + +RenderObject* WMLImageElement::createRenderer(RenderArena* arena, RenderStyle*) +{ + return new (arena) RenderImage(this); +} + +void WMLImageElement::insertedIntoDocument() +{ + // If we have been inserted from a renderer-less document, + // our loader may have not fetched the image, so do it now. + if (!m_imageLoader.image()) + m_imageLoader.updateFromElement(); + + WMLElement::insertedIntoDocument(); +} + +bool WMLImageElement::isURLAttribute(Attribute* attr) const +{ + return attr->name() == HTMLNames::srcAttr + || attr->name() == localsrcAttr; +} + +const QualifiedName& WMLImageElement::imageSourceAttributeName() const +{ + // Spec: Any 'localsrc' parameter specified takes precedence over the + // image specified in the src parameter. + if (hasAttribute(localsrcAttr) && !m_useFallbackAttribute) + return localsrcAttr; + + return HTMLNames::srcAttr; +} + +String WMLImageElement::altText() const +{ + return substituteVariableReferences(getAttribute(HTMLNames::altAttr), document()); +} + +} + +#endif |