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tdelibs/tdehtml/html/html_baseimpl.cpp

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/**
* 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 Simon Hausmann (hausmann@kde.org)
* (C) 2001-2003 Dirk Mueller (mueller@kde.org)
*
* 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_baseimpl.h"
#include "html/html_documentimpl.h"
#include "tdehtmlview.h"
#include "tdehtml_part.h"
#include "rendering/render_frames.h"
#include "rendering/render_body.h"
#include "css/cssstyleselector.h"
#include "css/css_stylesheetimpl.h"
#include "css/cssproperties.h"
#include "css/cssvalues.h"
#include "css/csshelper.h"
#include "misc/loader.h"
#include "misc/htmlhashes.h"
#include "dom/dom_string.h"
#include "dom/dom_doc.h"
#include "xml/dom2_eventsimpl.h"
#include <kurl.h>
#include <kdebug.h>
using namespace DOM;
using namespace tdehtml;
HTMLBodyElementImpl::HTMLBodyElementImpl(DocumentImpl *doc)
: HTMLElementImpl(doc),
m_bgSet( false ), m_fgSet( false )
{
m_styleSheet = 0;
}
HTMLBodyElementImpl::~HTMLBodyElementImpl()
{
if(m_styleSheet) m_styleSheet->deref();
}
NodeImpl::Id HTMLBodyElementImpl::id() const
{
return ID_BODY;
}
void HTMLBodyElementImpl::parseAttribute(AttributeImpl *attr)
{
switch(attr->id())
{
case ATTR_BACKGROUND:
{
TQString url = tdehtml::parseURL( attr->value() ).string();
if (!url.isEmpty()) {
url = getDocument()->completeURL( url );
addCSSProperty(CSS_PROP_BACKGROUND_IMAGE, "url('"+url+"')" );
m_bgSet = true;
}
else {
removeCSSProperty(CSS_PROP_BACKGROUND_IMAGE);
m_bgSet = false;
}
break;
}
case ATTR_MARGINWIDTH: {
TDEHTMLView* w = getDocument()->view();
if (w)
w->setMarginWidth( -1 ); // unset this, so it doesn't override the setting here
addCSSLength(CSS_PROP_MARGIN_RIGHT, attr->value() );
}
/* nobreak; */
case ATTR_LEFTMARGIN:
addCSSLength(CSS_PROP_MARGIN_LEFT, attr->value() );
break;
case ATTR_MARGINHEIGHT: {
TDEHTMLView* w = getDocument()->view();
if (w)
w->setMarginHeight( -1 ); // unset this, so it doesn't override the setting here
addCSSLength(CSS_PROP_MARGIN_BOTTOM, attr->value());
}
/* nobreak */
case ATTR_TOPMARGIN:
addCSSLength(CSS_PROP_MARGIN_TOP, attr->value());
break;
case ATTR_BGCOLOR:
addHTMLColor(CSS_PROP_BACKGROUND_COLOR, attr->value());
m_bgSet = !attr->value().isNull();
break;
case ATTR_TEXT:
addHTMLColor(CSS_PROP_COLOR, attr->value());
m_fgSet = !attr->value().isNull();
break;
case ATTR_BGPROPERTIES:
if ( strcasecmp( attr->value(), "fixed" ) == 0)
addCSSProperty(CSS_PROP_BACKGROUND_ATTACHMENT, CSS_VAL_FIXED);
break;
case ATTR_VLINK:
case ATTR_ALINK:
case ATTR_LINK:
{
if(!m_styleSheet) {
m_styleSheet = new CSSStyleSheetImpl(this,DOMString(),true);
m_styleSheet->ref();
}
TQString aStr;
if ( attr->id() == ATTR_LINK )
aStr = "a:link";
else if ( attr->id() == ATTR_VLINK )
aStr = "a:visited";
else if ( attr->id() == ATTR_ALINK )
aStr = "a:active";
aStr += " { color: " + attr->value().string() + "; }";
m_styleSheet->parseString(aStr, !getDocument()->inCompatMode());
m_styleSheet->setNonCSSHints();
if (attached())
getDocument()->updateStyleSelector();
break;
}
case ATTR_ONLOAD:
getDocument()->setHTMLWindowEventListener(EventImpl::LOAD_EVENT,
getDocument()->createHTMLEventListener(attr->value().string(), "onload", NULL));
break;
case ATTR_ONUNLOAD:
getDocument()->setHTMLWindowEventListener(EventImpl::UNLOAD_EVENT,
getDocument()->createHTMLEventListener(attr->value().string(), "onunload", NULL));
break;
case ATTR_ONBLUR:
getDocument()->setHTMLWindowEventListener(EventImpl::BLUR_EVENT,
getDocument()->createHTMLEventListener(attr->value().string(), "onblur", NULL));
break;
case ATTR_ONFOCUS:
getDocument()->setHTMLWindowEventListener(EventImpl::FOCUS_EVENT,
getDocument()->createHTMLEventListener(attr->value().string(), "onfocus", NULL));
break;
case ATTR_ONRESIZE:
getDocument()->setHTMLWindowEventListener(EventImpl::RESIZE_EVENT,
getDocument()->createHTMLEventListener(attr->value().string(), "onresize", NULL));
break;
case ATTR_ONKEYUP:
getDocument()->setHTMLWindowEventListener(EventImpl::KEYUP_EVENT,
getDocument()->createHTMLEventListener(attr->value().string(), "onkeyup", NULL));
break;
case ATTR_ONKEYDOWN:
getDocument()->setHTMLWindowEventListener(EventImpl::KEYDOWN_EVENT,
getDocument()->createHTMLEventListener(attr->value().string(), "onkeydown", NULL));
break;
case ATTR_ONKEYPRESS:
getDocument()->setHTMLWindowEventListener(EventImpl::KEYPRESS_EVENT,
getDocument()->createHTMLEventListener(attr->value().string(), "onkeypress", NULL));
break;
case ATTR_ONSCROLL:
getDocument()->setHTMLWindowEventListener(EventImpl::SCROLL_EVENT,
getDocument()->createHTMLEventListener(attr->value().string(), "onscroll", NULL));
break;
case ATTR_NOSAVE:
break;
default:
HTMLElementImpl::parseAttribute(attr);
}
}
void HTMLBodyElementImpl::insertedIntoDocument()
{
HTMLElementImpl::insertedIntoDocument();
TDEHTMLView* w = getDocument()->view();
if(w && w->marginWidth() != -1) {
TQString s;
s.sprintf( "%d", w->marginWidth() );
addCSSLength(CSS_PROP_MARGIN_LEFT, s);
addCSSLength(CSS_PROP_MARGIN_RIGHT, s);
}
if(w && w->marginHeight() != -1) {
TQString s;
s.sprintf( "%d", w->marginHeight() );
addCSSLength(CSS_PROP_MARGIN_TOP, s);
addCSSLength(CSS_PROP_MARGIN_BOTTOM, s);
}
if ( m_bgSet && !m_fgSet )
addCSSProperty(CSS_PROP_COLOR, CSS_VAL_BLACK);
if (m_styleSheet)
getDocument()->updateStyleSelector();
}
void HTMLBodyElementImpl::removedFromDocument()
{
HTMLElementImpl::removedFromDocument();
if (m_styleSheet)
getDocument()->updateStyleSelector();
}
void HTMLBodyElementImpl::attach()
{
assert(!m_render);
assert(parentNode());
RenderStyle* style = getDocument()->styleSelector()->styleForElement(this);
style->ref();
if (parentNode()->renderer() && style->display() != NONE) {
if (style->display() == BLOCK)
// only use the quirky class for block display
m_render = new (getDocument()->renderArena()) RenderBody(this);
else
m_render = RenderObject::createObject(this, style);
m_render->setStyle(style);
parentNode()->renderer()->addChild(m_render, nextRenderer());
}
style->deref();
NodeBaseImpl::attach();
}
// -------------------------------------------------------------------------
HTMLFrameElementImpl::HTMLFrameElementImpl(DocumentImpl *doc)
: HTMLElementImpl(doc)
{
frameBorder = true;
frameBorderSet = false;
marginWidth = -1;
marginHeight = -1;
scrolling = TQScrollView::Auto;
noresize = false;
url = "about:blank";
}
HTMLFrameElementImpl::~HTMLFrameElementImpl()
{
}
NodeImpl::Id HTMLFrameElementImpl::id() const
{
return ID_FRAME;
}
void HTMLFrameElementImpl::parseAttribute(AttributeImpl *attr)
{
switch(attr->id())
{
case ATTR_SRC:
setLocation(tdehtml::parseURL(attr->val()));
break;
case ATTR_FRAMEBORDER:
{
frameBorder = attr->value().toInt();
frameBorderSet = ( attr->val() != 0 );
// FIXME: when attached, has no effect
}
break;
case ATTR_MARGINWIDTH:
marginWidth = attr->val()->toInt();
// FIXME: when attached, has no effect
break;
case ATTR_MARGINHEIGHT:
marginHeight = attr->val()->toInt();
// FIXME: when attached, has no effect
break;
case ATTR_NORESIZE:
noresize = true;
// FIXME: when attached, has no effect
break;
case ATTR_SCROLLING:
if( strcasecmp( attr->value(), "auto" ) == 0 )
scrolling = TQScrollView::Auto;
else if( strcasecmp( attr->value(), "yes" ) == 0 )
scrolling = TQScrollView::AlwaysOn;
else if( strcasecmp( attr->value(), "no" ) == 0 )
scrolling = TQScrollView::AlwaysOff;
// when attached, has no effect
break;
case ATTR_ONLOAD:
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_ID:
case ATTR_NAME:
// FIXME: if already attached, doesn't change the frame name
// FIXME: frame name conflicts, no unique frame name anymore
name = attr->value();
//fallthrough intentional, let the base handle it
default:
HTMLElementImpl::parseAttribute(attr);
}
}
void HTMLFrameElementImpl::attach()
{
assert(!attached());
assert(parentNode());
name = getAttribute(ATTR_NAME);
if (name.isNull())
name = getAttribute(ATTR_ID);
// inherit default settings from parent frameset
HTMLElementImpl* node = static_cast<HTMLElementImpl*>(parentNode());
while(node)
{
if(node->id() == ID_FRAMESET)
{
HTMLFrameSetElementImpl* frameset = static_cast<HTMLFrameSetElementImpl*>(node);
if(!frameBorderSet) frameBorder = frameset->frameBorder();
if(!noresize) noresize = frameset->noResize();
break;
}
node = static_cast<HTMLElementImpl*>(node->parentNode());
}
if (parentNode()->renderer() && getDocument()->isURLAllowed(url.string())) {
RenderStyle* _style = getDocument()->styleSelector()->styleForElement(this);
_style->ref();
if ( _style->display() != NONE ) {
m_render = new (getDocument()->renderArena()) RenderFrame(this);
m_render->setStyle(_style);
parentNode()->renderer()->addChild(m_render, nextRenderer());
}
_style->deref();
}
NodeBaseImpl::attach();
if (!m_render)
return;
TDEHTMLView* w = getDocument()->view();
if (w) {
// we need a unique name for every frame in the frameset. Hope that's unique enough.
if(name.isEmpty() || w->part()->frameExists( name.string() ) )
name = DOMString(w->part()->requestFrameName());
// load the frame contents
w->part()->requestFrame( static_cast<RenderFrame*>(m_render), url.string(), name.string() );
}
}
void HTMLFrameElementImpl::setLocation( const DOMString& str )
{
url = str;
if( !attached() )
return;
if( !m_render ) {
detach();
attach();
return;
}
if( !getDocument()->isURLAllowed(url.string()) )
return;
// load the frame contents
TDEHTMLView *w = getDocument()->view();
if (w) {
TDEHTMLPart *part = w->part()->findFrame( name.string() );
if ( part ) {
part->openURL( KURL( getDocument()->completeURL( url.string() ) ) );
} else {
w->part()->requestFrame( static_cast<RenderFrame*>( m_render ), url.string(), name.string() );
}
}
}
bool HTMLFrameElementImpl::isFocusable() const
{
return m_render!=0;
}
void HTMLFrameElementImpl::setFocus(bool received)
{
HTMLElementImpl::setFocus(received);
tdehtml::RenderFrame *renderFrame = static_cast<tdehtml::RenderFrame *>(m_render);
if (!renderFrame || !renderFrame->widget())
return;
if (received)
renderFrame->widget()->setFocus();
else
renderFrame->widget()->clearFocus();
}
DocumentImpl* HTMLFrameElementImpl::contentDocument() const
{
if ( !m_render ) return 0;
RenderPart* render = static_cast<RenderPart*>( m_render );
if(render->widget() && ::tqt_cast<TDEHTMLView*>( render->widget()) )
return static_cast<TDEHTMLView*>( render->widget() )->part()->xmlDocImpl();
return 0;
}
TDEHTMLPart* HTMLFrameElementImpl::contentPart() const
{
if ( !m_render ) return 0;
RenderPart* render = static_cast<RenderPart*>( m_render );
if(render->widget() && ::tqt_cast<TDEHTMLView*>( render->widget()) )
return static_cast<TDEHTMLView*>( render->widget() )->part();
return 0;
}
// -------------------------------------------------------------------------
HTMLFrameSetElementImpl::HTMLFrameSetElementImpl(DocumentImpl *doc)
: HTMLElementImpl(doc)
{
// default value for rows and cols...
m_totalRows = 1;
m_totalCols = 1;
m_rows = m_cols = 0;
frameborder = true;
frameBorderSet = false;
m_border = 4;
noresize = false;
m_resizing = false;
m_onLoad = m_onUnLoad = 0;
}
HTMLFrameSetElementImpl::~HTMLFrameSetElementImpl()
{
//### this is likely not quite right since we may be effectively "overriding" some old value,
//which needs to be recomputed, but this is better than crashing...
if (getDocument()) {
if (m_onLoad && getDocument()->getHTMLEventListener(EventImpl::LOAD_EVENT) == m_onLoad)
getDocument()->setHTMLEventListener(EventImpl::LOAD_EVENT, 0);
if (m_onUnLoad && getDocument()->getHTMLEventListener(EventImpl::UNLOAD_EVENT) == m_onUnLoad)
getDocument()->setHTMLEventListener(EventImpl::UNLOAD_EVENT, 0);
}
delete [] m_rows;
delete [] m_cols;
}
NodeImpl::Id HTMLFrameSetElementImpl::id() const
{
return ID_FRAMESET;
}
void HTMLFrameSetElementImpl::parseAttribute(AttributeImpl *attr)
{
switch(attr->id())
{
case ATTR_ROWS:
if (!attr->val()) break;
delete [] m_rows;
m_rows = attr->val()->toLengthArray(m_totalRows);
setChanged();
break;
case ATTR_COLS:
if (!attr->val()) break;
delete [] m_cols;
m_cols = attr->val()->toLengthArray(m_totalCols);
setChanged();
break;
case ATTR_FRAMEBORDER:
// false or "no" or "0"..
if ( attr->value().toInt() == 0 ) {
frameborder = false;
m_border = 0;
}
frameBorderSet = true;
break;
case ATTR_NORESIZE:
noresize = true;
break;
case ATTR_BORDER:
m_border = attr->val()->toInt();
if(!m_border)
frameborder = false;
break;
case ATTR_ONLOAD:
m_onLoad = getDocument()->createHTMLEventListener(attr->value().string(), "onload", this);
getDocument()->setHTMLEventListener(EventImpl::LOAD_EVENT, m_onLoad);
break;
case ATTR_ONUNLOAD:
m_onUnLoad = getDocument()->createHTMLEventListener(attr->value().string(), "onunload", this);
getDocument()->setHTMLEventListener(EventImpl::UNLOAD_EVENT, m_onUnLoad);
break;
default:
HTMLElementImpl::parseAttribute(attr);
}
}
void HTMLFrameSetElementImpl::attach()
{
assert(!attached() );
assert(parentNode());
// inherit default settings from parent frameset
HTMLElementImpl* node = static_cast<HTMLElementImpl*>(parentNode());
while(node)
{
if(node->id() == ID_FRAMESET)
{
HTMLFrameSetElementImpl* frameset = static_cast<HTMLFrameSetElementImpl*>(node);
if(!frameBorderSet) frameborder = frameset->frameBorder();
if(!noresize) noresize = frameset->noResize();
break;
}
node = static_cast<HTMLElementImpl*>(node->parentNode());
}
// ignore display: none
if ( parentNode()->renderer() ) {
m_render = new (getDocument()->renderArena()) RenderFrameSet(this);
m_render->setStyle(getDocument()->styleSelector()->styleForElement(this));
parentNode()->renderer()->addChild(m_render, nextRenderer());
}
NodeBaseImpl::attach();
}
void HTMLFrameSetElementImpl::defaultEventHandler(EventImpl *evt)
{
if (evt->isMouseEvent() && !noresize && m_render)
static_cast<tdehtml::RenderFrameSet *>(m_render)->userResize(static_cast<MouseEventImpl*>(evt));
evt->setDefaultHandled();
HTMLElementImpl::defaultEventHandler(evt);
}
void HTMLFrameSetElementImpl::detach()
{
if(attached())
// ### send the event when we actually get removed from the doc instead of here
getDocument()->dispatchHTMLEvent(EventImpl::UNLOAD_EVENT,false,false);
HTMLElementImpl::detach();
}
void HTMLFrameSetElementImpl::recalcStyle( StyleChange ch )
{
if (changed() && m_render) {
m_render->setNeedsLayout(true);
// m_render->layout();
setChanged(false);
}
HTMLElementImpl::recalcStyle( ch );
}
// -------------------------------------------------------------------------
NodeImpl::Id HTMLHeadElementImpl::id() const
{
return ID_HEAD;
}
// -------------------------------------------------------------------------
NodeImpl::Id HTMLHtmlElementImpl::id() const
{
return ID_HTML;
}
// -------------------------------------------------------------------------
HTMLIFrameElementImpl::HTMLIFrameElementImpl(DocumentImpl *doc) : HTMLFrameElementImpl(doc)
{
frameBorder = false;
marginWidth = 0;
marginHeight = 0;
needWidgetUpdate = false;
m_frame = true;
}
HTMLIFrameElementImpl::~HTMLIFrameElementImpl()
{
}
NodeImpl::Id HTMLIFrameElementImpl::id() const
{
return ID_IFRAME;
}
void HTMLIFrameElementImpl::parseAttribute(AttributeImpl *attr )
{
switch ( attr->id() )
{
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_ALIGN:
addHTMLAlignment( attr->value() );
break;
case ATTR_SRC:
needWidgetUpdate = true; // ### do this for scrolling, margins etc?
HTMLFrameElementImpl::parseAttribute( attr );
break;
case ATTR_FRAMEBORDER:
{
m_frame = (!attr->val() || attr->value().toInt() > 0);
if (attached()) updateFrame();
}
default:
HTMLFrameElementImpl::parseAttribute( attr );
}
}
void HTMLIFrameElementImpl::updateFrame()
{
if (m_frame) {
addCSSProperty(CSS_PROP_BORDER_TOP_STYLE, CSS_VAL_OUTSET);
addCSSProperty(CSS_PROP_BORDER_BOTTOM_STYLE, CSS_VAL_OUTSET);
addCSSProperty(CSS_PROP_BORDER_LEFT_STYLE, CSS_VAL_OUTSET);
addCSSProperty(CSS_PROP_BORDER_RIGHT_STYLE, CSS_VAL_OUTSET);
addCSSLength(CSS_PROP_BORDER_WIDTH, "2");
} else {
addCSSProperty(CSS_PROP_BORDER_TOP_STYLE, CSS_VAL_NONE);
addCSSProperty(CSS_PROP_BORDER_BOTTOM_STYLE, CSS_VAL_NONE);
addCSSProperty(CSS_PROP_BORDER_LEFT_STYLE, CSS_VAL_NONE);
addCSSProperty(CSS_PROP_BORDER_RIGHT_STYLE, CSS_VAL_NONE);
removeCSSProperty(CSS_PROP_BORDER_WIDTH);
}
}
void HTMLIFrameElementImpl::attach()
{
assert(!attached());
assert(!m_render);
assert(parentNode());
updateFrame();
name = getAttribute(ATTR_NAME);
if (name.isNull())
name = getAttribute(ATTR_ID);
RenderStyle* style = getDocument()->styleSelector()->styleForElement(this);
style->ref();
if (getDocument()->isURLAllowed(url.string()) &&
parentNode()->renderer() && style->display() != NONE) {
m_render = new (getDocument()->renderArena()) RenderPartObject(this);
m_render->setStyle(style);
parentNode()->renderer()->addChild(m_render, nextRenderer());
}
style->deref();
NodeBaseImpl::attach();
if (m_render) {
// we need a unique name for every frame in the frameset. Hope that's unique enough.
TDEHTMLView* w = getDocument()->view();
if(w && (name.isEmpty() || w->part()->frameExists( name.string() )))
name = DOMString(w->part()->requestFrameName());
needWidgetUpdate = false;
static_cast<RenderPartObject*>(m_render)->updateWidget();
}
}
void HTMLIFrameElementImpl::recalcStyle( StyleChange ch )
{
if (needWidgetUpdate) {
needWidgetUpdate = false;
if(m_render) static_cast<RenderPartObject*>(m_render)->updateWidget();
}
HTMLElementImpl::recalcStyle( ch );
}
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