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466 lines
13 KiB
466 lines
13 KiB
/**
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* This file is part of the DOM implementation for KDE.
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*
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* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
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* (C) 1999 Antti Koivisto (koivisto@kde.org)
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* (C) 2000 Stefan Schimanski (1Stein@gmx.de)
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "html/html_objectimpl.h"
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#include "khtml_part.h"
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#include "dom/dom_string.h"
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#include "misc/htmlhashes.h"
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#include "khtmlview.h"
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#include <qstring.h>
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#include <qvariant.h>
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#include <qmap.h>
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#include <qtimer.h>
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#include <kdebug.h>
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#include <kimageio.h>
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#include "xml/dom_docimpl.h"
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#include "css/cssstyleselector.h"
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#include "css/csshelper.h"
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#include "css/cssproperties.h"
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#include "css/cssvalues.h"
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#include "rendering/render_applet.h"
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#include "rendering/render_frames.h"
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#include "rendering/render_image.h"
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#include "xml/dom2_eventsimpl.h"
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using namespace DOM;
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using namespace khtml;
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// -------------------------------------------------------------------------
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HTMLObjectBaseElementImpl::HTMLObjectBaseElementImpl(DocumentImpl *doc)
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: HTMLElementImpl(doc)
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{
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needWidgetUpdate = false;
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m_renderAlternative = false;
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}
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void HTMLObjectBaseElementImpl::setServiceType(const QString & val) {
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serviceType = val.lower();
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int pos = serviceType.find( ";" );
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if ( pos!=-1 )
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serviceType.truncate( pos );
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}
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void HTMLObjectBaseElementImpl::parseAttribute(AttributeImpl *attr)
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{
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switch ( attr->id() )
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{
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case ATTR_TYPE:
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case ATTR_CODETYPE:
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if (attr->val()) {
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DOM::DOMStringImpl *stringImpl = attr->val();
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QString val = QConstString( stringImpl->s, stringImpl->l ).string();
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setServiceType( val );
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needWidgetUpdate = true;
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}
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break;
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case ATTR_WIDTH:
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if (!attr->value().isEmpty())
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addCSSLength(CSS_PROP_WIDTH, attr->value());
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else
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removeCSSProperty(CSS_PROP_WIDTH);
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break;
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case ATTR_HEIGHT:
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if (!attr->value().isEmpty())
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addCSSLength(CSS_PROP_HEIGHT, attr->value());
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else
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removeCSSProperty(CSS_PROP_HEIGHT);
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break;
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case ATTR_NAME:
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if (inDocument() && m_name != attr->value()) {
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getDocument()->underDocNamedCache().remove(m_name.string(), this);
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getDocument()->underDocNamedCache().add (attr->value().string(), this);
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}
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m_name = attr->value();
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//fallthrough
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default:
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HTMLElementImpl::parseAttribute( attr );
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}
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}
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void HTMLObjectBaseElementImpl::removedFromDocument()
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{
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getDocument()->underDocNamedCache().remove(m_name.string(), this);
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HTMLElementImpl::removedFromDocument();
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}
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void HTMLObjectBaseElementImpl::insertedIntoDocument()
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{
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getDocument()->underDocNamedCache().add(m_name.string(), this);
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HTMLElementImpl::insertedIntoDocument();
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}
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void HTMLObjectBaseElementImpl::removeId(const QString& id)
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{
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getDocument()->underDocNamedCache().remove(id, this);
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HTMLElementImpl::removeId(id);
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}
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void HTMLObjectBaseElementImpl::addId (const QString& id)
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{
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getDocument()->underDocNamedCache().add(id, this);
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HTMLElementImpl::addId(id);
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}
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void HTMLObjectBaseElementImpl::recalcStyle( StyleChange ch )
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{
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if (needWidgetUpdate) {
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if(m_render && strcmp( m_render->renderName(), "RenderPartObject" ) == 0 )
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static_cast<RenderPartObject*>(m_render)->updateWidget();
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needWidgetUpdate = false;
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}
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HTMLElementImpl::recalcStyle( ch );
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}
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void HTMLObjectBaseElementImpl::renderAlternative()
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{
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if ( m_renderAlternative ) return;
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QTimer::singleShot( 0, this, SLOT( slotRenderAlternative() ) );
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}
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void HTMLObjectBaseElementImpl::slotRenderAlternative()
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{
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// the singleshot timer might have fired after we're removed
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// from the document, but not yet deleted due to references
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if ( !inDocument() || m_renderAlternative ) return;
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// ### there can be a m_render if this is called from our attach indirectly
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if ( attached() || m_render)
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detach();
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m_renderAlternative = true;
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attach();
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}
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void HTMLObjectBaseElementImpl::attach() {
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assert(!attached());
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assert(!m_render);
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if (serviceType.isEmpty() && url.startsWith("data:")) {
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// Extract the MIME type from the data URL.
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int index = url.find(';');
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if (index == -1)
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index = url.find(',');
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if (index != -1) {
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int len = index - 5;
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if (len > 0)
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serviceType = url.mid(5, len);
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else
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serviceType = "text/plain"; // Data URLs with no MIME type are considered text/plain.
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}
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}
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bool imagelike = serviceType.startsWith("image/") &&
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!KImageIO::typeForMime(serviceType).isNull();
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if (m_renderAlternative && !imagelike) {
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// render alternative content
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ElementImpl::attach();
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return;
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}
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if (!parentNode()->renderer()) {
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NodeBaseImpl::attach();
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return;
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}
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RenderStyle* _style = getDocument()->styleSelector()->styleForElement(this);
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_style->ref();
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if (parentNode()->renderer() && parentNode()->renderer()->childAllowed() &&
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_style->display() != NONE)
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{
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needWidgetUpdate = false;
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if (imagelike) {
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m_render = new (getDocument()->renderArena()) RenderImage(this);
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// make sure we don't attach the inner contents
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addCSSProperty(CSS_PROP_DISPLAY, CSS_VAL_NONE);
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}
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else
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m_render = new (getDocument()->renderArena())RenderPartObject(this);
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m_render->setStyle(_style);
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parentNode()->renderer()->addChild(m_render, nextRenderer());
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if (imagelike)
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m_render->updateFromElement();
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}
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_style->deref();
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NodeBaseImpl::attach();
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// ### do this when we are actually finished loading instead
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if (m_render) dispatchHTMLEvent(EventImpl::LOAD_EVENT, false, false);
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}
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// -------------------------------------------------------------------------
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HTMLAppletElementImpl::HTMLAppletElementImpl(DocumentImpl *doc)
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: HTMLObjectBaseElementImpl(doc)
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{
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serviceType = "application/x-java-applet";
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needWidgetUpdate = true;
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}
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HTMLAppletElementImpl::~HTMLAppletElementImpl()
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{
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}
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NodeImpl::Id HTMLAppletElementImpl::id() const
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{
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return ID_APPLET;
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}
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void HTMLAppletElementImpl::parseAttribute(AttributeImpl *attr)
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{
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switch( attr->id() )
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{
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case ATTR_CODEBASE:
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case ATTR_ARCHIVE:
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case ATTR_CODE:
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case ATTR_OBJECT:
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case ATTR_ALT:
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break;
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case ATTR_ALIGN:
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addHTMLAlignment( attr->value() );
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break;
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case ATTR_VSPACE:
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addCSSLength(CSS_PROP_MARGIN_TOP, attr->value());
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addCSSLength(CSS_PROP_MARGIN_BOTTOM, attr->value());
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break;
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case ATTR_HSPACE:
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addCSSLength(CSS_PROP_MARGIN_LEFT, attr->value());
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addCSSLength(CSS_PROP_MARGIN_RIGHT, attr->value());
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break;
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case ATTR_VALIGN:
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addCSSProperty(CSS_PROP_VERTICAL_ALIGN, attr->value().lower() );
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break;
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default:
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HTMLObjectBaseElementImpl::parseAttribute(attr);
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}
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}
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void HTMLAppletElementImpl::attach()
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{
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KHTMLView* w = getDocument()->view();
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#ifndef Q_WS_QWS // FIXME?
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DOMString codeBase = getAttribute( ATTR_CODEBASE );
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DOMString code = getAttribute( ATTR_CODE );
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if ( !codeBase.isEmpty() )
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url = codeBase.string();
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if ( !code.isEmpty() )
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url = code.string();
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if (!w || !w->part()->javaEnabled())
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#endif
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m_renderAlternative = true;
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HTMLObjectBaseElementImpl::attach();
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}
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// -------------------------------------------------------------------------
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HTMLEmbedElementImpl::HTMLEmbedElementImpl(DocumentImpl *doc)
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: HTMLObjectBaseElementImpl(doc)
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{
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}
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HTMLEmbedElementImpl::~HTMLEmbedElementImpl()
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{
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}
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NodeImpl::Id HTMLEmbedElementImpl::id() const
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{
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return ID_EMBED;
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}
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void HTMLEmbedElementImpl::parseAttribute(AttributeImpl *attr)
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{
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switch ( attr->id() )
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{
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case ATTR_CODE:
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case ATTR_SRC:
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url = khtml::parseURL(attr->val()).string();
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needWidgetUpdate = true;
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break;
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case ATTR_BORDER:
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addCSSLength(CSS_PROP_BORDER_WIDTH, attr->value());
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addCSSProperty( CSS_PROP_BORDER_TOP_STYLE, CSS_VAL_SOLID );
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addCSSProperty( CSS_PROP_BORDER_RIGHT_STYLE, CSS_VAL_SOLID );
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addCSSProperty( CSS_PROP_BORDER_BOTTOM_STYLE, CSS_VAL_SOLID );
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addCSSProperty( CSS_PROP_BORDER_LEFT_STYLE, CSS_VAL_SOLID );
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break;
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case ATTR_VSPACE:
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addCSSLength(CSS_PROP_MARGIN_TOP, attr->value());
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addCSSLength(CSS_PROP_MARGIN_BOTTOM, attr->value());
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break;
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case ATTR_HSPACE:
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addCSSLength(CSS_PROP_MARGIN_LEFT, attr->value());
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addCSSLength(CSS_PROP_MARGIN_RIGHT, attr->value());
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break;
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case ATTR_ALIGN:
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addHTMLAlignment( attr->value() );
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break;
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case ATTR_VALIGN:
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addCSSProperty(CSS_PROP_VERTICAL_ALIGN, attr->value().lower() );
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break;
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case ATTR_PLUGINPAGE:
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case ATTR_PLUGINSPAGE: {
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pluginPage = attr->value().string();
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break;
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}
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case ATTR_HIDDEN:
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if (strcasecmp( attr->value(), "yes" ) == 0 || strcasecmp( attr->value() , "true") == 0 )
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hidden = true;
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else
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hidden = false;
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break;
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default:
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HTMLObjectBaseElementImpl::parseAttribute( attr );
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}
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}
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void HTMLEmbedElementImpl::attach()
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{
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KHTMLView* w = getDocument()->view();
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if (!w || !w->part()->pluginsEnabled())
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m_renderAlternative = true;
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if (parentNode()->id() == ID_OBJECT)
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NodeBaseImpl::attach();
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else
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HTMLObjectBaseElementImpl::attach();
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}
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// -------------------------------------------------------------------------
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HTMLObjectElementImpl::HTMLObjectElementImpl(DocumentImpl *doc)
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: HTMLObjectBaseElementImpl(doc)
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{
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}
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HTMLObjectElementImpl::~HTMLObjectElementImpl()
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{
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}
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NodeImpl::Id HTMLObjectElementImpl::id() const
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{
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return ID_OBJECT;
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}
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HTMLFormElementImpl *HTMLObjectElementImpl::form() const
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{
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return 0;
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}
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void HTMLObjectElementImpl::parseAttribute(AttributeImpl *attr)
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{
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switch ( attr->id() )
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{
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case ATTR_DATA:
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url = khtml::parseURL( attr->val() ).string();
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needWidgetUpdate = true;
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break;
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case ATTR_CLASSID:
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classId = attr->value().string();
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needWidgetUpdate = true;
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break;
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case ATTR_ONLOAD: // ### support load/unload on object elements
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setHTMLEventListener(EventImpl::LOAD_EVENT,
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getDocument()->createHTMLEventListener(attr->value().string(), "onload", this));
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break;
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case ATTR_ONUNLOAD:
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setHTMLEventListener(EventImpl::UNLOAD_EVENT,
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getDocument()->createHTMLEventListener(attr->value().string(), "onunload", this));
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break;
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case ATTR_VSPACE:
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addCSSLength(CSS_PROP_MARGIN_TOP, attr->value());
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addCSSLength(CSS_PROP_MARGIN_BOTTOM, attr->value());
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break;
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case ATTR_HSPACE:
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addCSSLength(CSS_PROP_MARGIN_LEFT, attr->value());
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addCSSLength(CSS_PROP_MARGIN_RIGHT, attr->value());
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break;
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case ATTR_ALIGN:
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addHTMLAlignment( attr->value() );
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break;
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case ATTR_VALIGN:
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addCSSProperty(CSS_PROP_VERTICAL_ALIGN, attr->value().lower() );
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break;
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default:
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HTMLObjectBaseElementImpl::parseAttribute( attr );
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}
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}
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DocumentImpl* HTMLObjectElementImpl::contentDocument() const
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{
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if ( !m_render ) return 0;
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if ( !m_render->isWidget() ) return 0;
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QWidget* widget = static_cast<RenderWidget*>( m_render )->widget();
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if( widget && ::qt_cast<KHTMLView*>( widget ) )
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return static_cast<KHTMLView*>( widget )->part()->xmlDocImpl();
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return 0;
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}
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void HTMLObjectElementImpl::attach()
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{
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KHTMLView* w = getDocument()->view();
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if (!w || !w->part()->pluginsEnabled())
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m_renderAlternative = true;
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HTMLObjectBaseElementImpl::attach();
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}
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// -------------------------------------------------------------------------
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NodeImpl::Id HTMLParamElementImpl::id() const
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{
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return ID_PARAM;
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}
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void HTMLParamElementImpl::parseAttribute(AttributeImpl *attr)
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{
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switch( attr->id() )
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{
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case ATTR_VALUE:
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m_value = attr->value().string();
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break;
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case ATTR_ID:
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if (getDocument()->htmlMode() != DocumentImpl::XHtml) break;
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// fall through
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case ATTR_NAME:
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m_name = attr->value().string();
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// fall through
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default:
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HTMLElementImpl::parseAttribute(attr);
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}
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}
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#include "html_objectimpl.moc"
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