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Diffstat (limited to 'tdehtml/html/html_objectimpl.cpp')
-rw-r--r-- | tdehtml/html/html_objectimpl.cpp | 465 |
1 files changed, 465 insertions, 0 deletions
diff --git a/tdehtml/html/html_objectimpl.cpp b/tdehtml/html/html_objectimpl.cpp new file mode 100644 index 000000000..b224ad687 --- /dev/null +++ b/tdehtml/html/html_objectimpl.cpp @@ -0,0 +1,465 @@ +/** + * This file is part of the DOM implementation for KDE. + * + * Copyright (C) 1999 Lars Knoll (knoll@kde.org) + * (C) 1999 Antti Koivisto (koivisto@kde.org) + * (C) 2000 Stefan Schimanski (1Stein@gmx.de) + * + * 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 "html/html_objectimpl.h" + +#include "tdehtml_part.h" +#include "dom/dom_string.h" +#include "misc/htmlhashes.h" +#include "tdehtmlview.h" +#include <tqstring.h> +#include <tqvariant.h> +#include <tqmap.h> +#include <tqtimer.h> + +#include <kdebug.h> +#include <kimageio.h> + +#include "xml/dom_docimpl.h" +#include "css/cssstyleselector.h" +#include "css/csshelper.h" +#include "css/cssproperties.h" +#include "css/cssvalues.h" +#include "rendering/render_applet.h" +#include "rendering/render_frames.h" +#include "rendering/render_image.h" +#include "xml/dom2_eventsimpl.h" + +using namespace DOM; +using namespace tdehtml; + +// ------------------------------------------------------------------------- +HTMLObjectBaseElementImpl::HTMLObjectBaseElementImpl(DocumentImpl *doc) + : HTMLElementImpl(doc) +{ + needWidgetUpdate = false; + m_renderAlternative = false; +} + +void HTMLObjectBaseElementImpl::setServiceType(const TQString & val) { + serviceType = val.lower(); + int pos = serviceType.find( ";" ); + if ( pos!=-1 ) + serviceType.truncate( pos ); +} + +void HTMLObjectBaseElementImpl::parseAttribute(AttributeImpl *attr) +{ + switch ( attr->id() ) + { + case ATTR_TYPE: + case ATTR_CODETYPE: + if (attr->val()) { + DOM::DOMStringImpl *stringImpl = attr->val(); + TQString val = TQConstString( stringImpl->s, stringImpl->l ).string(); + setServiceType( val ); + needWidgetUpdate = true; + } + break; + case ATTR_WIDTH: + if (!attr->value().isEmpty()) + addCSSLength(CSS_PROP_WIDTH, attr->value()); + else + removeCSSProperty(CSS_PROP_WIDTH); + break; + case ATTR_HEIGHT: + if (!attr->value().isEmpty()) + addCSSLength(CSS_PROP_HEIGHT, attr->value()); + else + removeCSSProperty(CSS_PROP_HEIGHT); + break; + case ATTR_NAME: + if (inDocument() && m_name != attr->value()) { + getDocument()->underDocNamedCache().remove(m_name.string(), this); + getDocument()->underDocNamedCache().add (attr->value().string(), this); + } + m_name = attr->value(); + //fallthrough + default: + HTMLElementImpl::parseAttribute( attr ); + } +} + +void HTMLObjectBaseElementImpl::removedFromDocument() +{ + getDocument()->underDocNamedCache().remove(m_name.string(), this); + HTMLElementImpl::removedFromDocument(); +} + +void HTMLObjectBaseElementImpl::insertedIntoDocument() +{ + getDocument()->underDocNamedCache().add(m_name.string(), this); + HTMLElementImpl::insertedIntoDocument(); +} + +void HTMLObjectBaseElementImpl::removeId(const TQString& id) +{ + getDocument()->underDocNamedCache().remove(id, this); + HTMLElementImpl::removeId(id); +} + +void HTMLObjectBaseElementImpl::addId (const TQString& id) +{ + getDocument()->underDocNamedCache().add(id, this); + HTMLElementImpl::addId(id); +} + +void HTMLObjectBaseElementImpl::recalcStyle( StyleChange ch ) +{ + if (needWidgetUpdate) { + if(m_render && strcmp( m_render->renderName(), "RenderPartObject" ) == 0 ) + static_cast<RenderPartObject*>(m_render)->updateWidget(); + needWidgetUpdate = false; + } + HTMLElementImpl::recalcStyle( ch ); +} + +void HTMLObjectBaseElementImpl::renderAlternative() +{ + if ( m_renderAlternative ) return; + TQTimer::singleShot( 0, this, TQT_SLOT( slotRenderAlternative() ) ); +} + +void HTMLObjectBaseElementImpl::slotRenderAlternative() +{ + // the singleshot timer might have fired after we're removed + // from the document, but not yet deleted due to references + if ( !inDocument() || m_renderAlternative ) return; + + // ### there can be a m_render if this is called from our attach indirectly + if ( attached() || m_render) + detach(); + + m_renderAlternative = true; + + attach(); +} + +void HTMLObjectBaseElementImpl::attach() { + assert(!attached()); + assert(!m_render); + + if (serviceType.isEmpty() && url.startsWith("data:")) { + // Extract the MIME type from the data URL. + int index = url.find(';'); + if (index == -1) + index = url.find(','); + if (index != -1) { + int len = index - 5; + if (len > 0) + serviceType = url.mid(5, len); + else + serviceType = "text/plain"; // Data URLs with no MIME type are considered text/plain. + } + } + + bool imagelike = serviceType.startsWith("image/") && + !KImageIO::typeForMime(serviceType).isNull(); + + if (m_renderAlternative && !imagelike) { + // render alternative content + ElementImpl::attach(); + return; + } + + if (!parentNode()->renderer()) { + NodeBaseImpl::attach(); + return; + } + + RenderStyle* _style = getDocument()->styleSelector()->styleForElement(this); + _style->ref(); + + if (parentNode()->renderer() && parentNode()->renderer()->childAllowed() && + _style->display() != NONE) + { + needWidgetUpdate = false; + + if (imagelike) { + m_render = new (getDocument()->renderArena()) RenderImage(this); + // make sure we don't attach the inner contents + addCSSProperty(CSS_PROP_DISPLAY, CSS_VAL_NONE); + } + else + m_render = new (getDocument()->renderArena())RenderPartObject(this); + + m_render->setStyle(_style); + parentNode()->renderer()->addChild(m_render, nextRenderer()); + if (imagelike) + m_render->updateFromElement(); + } + + _style->deref(); + NodeBaseImpl::attach(); + + // ### do this when we are actually finished loading instead + if (m_render) dispatchHTMLEvent(EventImpl::LOAD_EVENT, false, false); +} + + +// ------------------------------------------------------------------------- + +HTMLAppletElementImpl::HTMLAppletElementImpl(DocumentImpl *doc) + : HTMLObjectBaseElementImpl(doc) +{ + serviceType = "application/x-java-applet"; + needWidgetUpdate = true; +} + +HTMLAppletElementImpl::~HTMLAppletElementImpl() +{ +} + +NodeImpl::Id HTMLAppletElementImpl::id() const +{ + return ID_APPLET; +} + +void HTMLAppletElementImpl::parseAttribute(AttributeImpl *attr) +{ + switch( attr->id() ) + { + case ATTR_CODEBASE: + case ATTR_ARCHIVE: + case ATTR_CODE: + case ATTR_OBJECT: + case ATTR_ALT: + break; + case ATTR_ALIGN: + addHTMLAlignment( attr->value() ); + break; + case ATTR_VSPACE: + addCSSLength(CSS_PROP_MARGIN_TOP, attr->value()); + addCSSLength(CSS_PROP_MARGIN_BOTTOM, attr->value()); + break; + case ATTR_HSPACE: + addCSSLength(CSS_PROP_MARGIN_LEFT, attr->value()); + addCSSLength(CSS_PROP_MARGIN_RIGHT, attr->value()); + break; + case ATTR_VALIGN: + addCSSProperty(CSS_PROP_VERTICAL_ALIGN, attr->value().lower() ); + break; + default: + HTMLObjectBaseElementImpl::parseAttribute(attr); + } +} + +void HTMLAppletElementImpl::attach() +{ + KHTMLView* w = getDocument()->view(); + +#ifndef Q_WS_QWS // FIXME? + DOMString codeBase = getAttribute( ATTR_CODEBASE ); + DOMString code = getAttribute( ATTR_CODE ); + if ( !codeBase.isEmpty() ) + url = codeBase.string(); + if ( !code.isEmpty() ) + url = code.string(); + + if (!w || !w->part()->javaEnabled()) +#endif + m_renderAlternative = true; + + HTMLObjectBaseElementImpl::attach(); +} + +// ------------------------------------------------------------------------- + +HTMLEmbedElementImpl::HTMLEmbedElementImpl(DocumentImpl *doc) + : HTMLObjectBaseElementImpl(doc) +{ +} + +HTMLEmbedElementImpl::~HTMLEmbedElementImpl() +{ +} + +NodeImpl::Id HTMLEmbedElementImpl::id() const +{ + return ID_EMBED; +} + +void HTMLEmbedElementImpl::parseAttribute(AttributeImpl *attr) +{ + switch ( attr->id() ) + { + case ATTR_CODE: + case ATTR_SRC: + url = tdehtml::parseURL(attr->val()).string(); + needWidgetUpdate = true; + break; + case ATTR_BORDER: + addCSSLength(CSS_PROP_BORDER_WIDTH, attr->value()); + addCSSProperty( CSS_PROP_BORDER_TOP_STYLE, CSS_VAL_SOLID ); + addCSSProperty( CSS_PROP_BORDER_RIGHT_STYLE, CSS_VAL_SOLID ); + addCSSProperty( CSS_PROP_BORDER_BOTTOM_STYLE, CSS_VAL_SOLID ); + addCSSProperty( CSS_PROP_BORDER_LEFT_STYLE, CSS_VAL_SOLID ); + break; + case ATTR_VSPACE: + addCSSLength(CSS_PROP_MARGIN_TOP, attr->value()); + addCSSLength(CSS_PROP_MARGIN_BOTTOM, attr->value()); + break; + case ATTR_HSPACE: + addCSSLength(CSS_PROP_MARGIN_LEFT, attr->value()); + addCSSLength(CSS_PROP_MARGIN_RIGHT, attr->value()); + break; + case ATTR_ALIGN: + addHTMLAlignment( attr->value() ); + break; + case ATTR_VALIGN: + addCSSProperty(CSS_PROP_VERTICAL_ALIGN, attr->value().lower() ); + break; + case ATTR_PLUGINPAGE: + case ATTR_PLUGINSPAGE: { + pluginPage = attr->value().string(); + break; + } + case ATTR_HIDDEN: + if (strcasecmp( attr->value(), "yes" ) == 0 || strcasecmp( attr->value() , "true") == 0 ) + hidden = true; + else + hidden = false; + break; + default: + HTMLObjectBaseElementImpl::parseAttribute( attr ); + } +} + +void HTMLEmbedElementImpl::attach() +{ + KHTMLView* w = getDocument()->view(); + + if (!w || !w->part()->pluginsEnabled()) + m_renderAlternative = true; + + if (parentNode()->id() == ID_OBJECT) + NodeBaseImpl::attach(); + else + HTMLObjectBaseElementImpl::attach(); +} + +// ------------------------------------------------------------------------- + +HTMLObjectElementImpl::HTMLObjectElementImpl(DocumentImpl *doc) + : HTMLObjectBaseElementImpl(doc) +{ +} + +HTMLObjectElementImpl::~HTMLObjectElementImpl() +{ +} + +NodeImpl::Id HTMLObjectElementImpl::id() const +{ + return ID_OBJECT; +} + +HTMLFormElementImpl *HTMLObjectElementImpl::form() const +{ + return 0; +} + +void HTMLObjectElementImpl::parseAttribute(AttributeImpl *attr) +{ + switch ( attr->id() ) + { + case ATTR_DATA: + url = tdehtml::parseURL( attr->val() ).string(); + needWidgetUpdate = true; + break; + case ATTR_CLASSID: + classId = attr->value().string(); + needWidgetUpdate = true; + break; + case ATTR_ONLOAD: // ### support load/unload on object elements + setHTMLEventListener(EventImpl::LOAD_EVENT, + getDocument()->createHTMLEventListener(attr->value().string(), "onload", this)); + break; + case ATTR_ONUNLOAD: + setHTMLEventListener(EventImpl::UNLOAD_EVENT, + getDocument()->createHTMLEventListener(attr->value().string(), "onunload", this)); + break; + case ATTR_VSPACE: + addCSSLength(CSS_PROP_MARGIN_TOP, attr->value()); + addCSSLength(CSS_PROP_MARGIN_BOTTOM, attr->value()); + break; + case ATTR_HSPACE: + addCSSLength(CSS_PROP_MARGIN_LEFT, attr->value()); + addCSSLength(CSS_PROP_MARGIN_RIGHT, attr->value()); + break; + case ATTR_ALIGN: + addHTMLAlignment( attr->value() ); + break; + case ATTR_VALIGN: + addCSSProperty(CSS_PROP_VERTICAL_ALIGN, attr->value().lower() ); + break; + default: + HTMLObjectBaseElementImpl::parseAttribute( attr ); + } +} + +DocumentImpl* HTMLObjectElementImpl::contentDocument() const +{ + if ( !m_render ) return 0; + if ( !m_render->isWidget() ) return 0; + TQWidget* widget = static_cast<RenderWidget*>( m_render )->widget(); + if( widget && ::tqqt_cast<KHTMLView*>( widget ) ) + return static_cast<KHTMLView*>( widget )->part()->xmlDocImpl(); + return 0; +} + +void HTMLObjectElementImpl::attach() +{ + KHTMLView* w = getDocument()->view(); + + if (!w || !w->part()->pluginsEnabled()) + m_renderAlternative = true; + + HTMLObjectBaseElementImpl::attach(); +} + +// ------------------------------------------------------------------------- + +NodeImpl::Id HTMLParamElementImpl::id() const +{ + return ID_PARAM; +} + +void HTMLParamElementImpl::parseAttribute(AttributeImpl *attr) +{ + switch( attr->id() ) + { + case ATTR_VALUE: + m_value = attr->value().string(); + break; + case ATTR_ID: + if (getDocument()->htmlMode() != DocumentImpl::XHtml) break; + // fall through + case ATTR_NAME: + m_name = attr->value().string(); + // fall through + default: + HTMLElementImpl::parseAttribute(attr); + } +} + +#include "html_objectimpl.moc" |