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tdelibs/khtml/html/html_objectimpl.cpp

466 lines
13 KiB

/**
* 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 "khtml_part.h"
#include "dom/dom_string.h"
#include "misc/htmlhashes.h"
#include "khtmlview.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 khtml;
// -------------------------------------------------------------------------
HTMLObjectBaseElementImpl::HTMLObjectBaseElementImpl(DocumentImpl *doc)
: HTMLElementImpl(doc)
{
needWidgetUpdate = false;
m_renderAlternative = false;
}
void HTMLObjectBaseElementImpl::setServiceType(const TQString & val) {
serviceType = val.lower();
int pos = serviceType.tqfind( ";" );
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.tqfind(';');
if (index == -1)
index = url.tqfind(',');
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 = khtml::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 = khtml::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 && ::qt_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"