diff options
Diffstat (limited to 'khtml/html/html_baseimpl.cpp')
| -rw-r--r-- | khtml/html/html_baseimpl.cpp | 708 |
1 files changed, 708 insertions, 0 deletions
diff --git a/khtml/html/html_baseimpl.cpp b/khtml/html/html_baseimpl.cpp new file mode 100644 index 000000000..babbac76d --- /dev/null +++ b/khtml/html/html_baseimpl.cpp @@ -0,0 +1,708 @@ +/** + * 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 "khtmlview.h" +#include "khtml_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 khtml; + +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: + { + QString url = khtml::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: { + KHTMLView* 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: { + KHTMLView* 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(); + } + QString 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(); + + KHTMLView* w = getDocument()->view(); + if(w && w->marginWidth() != -1) { + QString s; + s.sprintf( "%d", w->marginWidth() ); + addCSSLength(CSS_PROP_MARGIN_LEFT, s); + addCSSLength(CSS_PROP_MARGIN_RIGHT, s); + } + if(w && w->marginHeight() != -1) { + QString 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 = QScrollView::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(khtml::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 = QScrollView::Auto; + else if( strcasecmp( attr->value(), "yes" ) == 0 ) + scrolling = QScrollView::AlwaysOn; + else if( strcasecmp( attr->value(), "no" ) == 0 ) + scrolling = QScrollView::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; + + KHTMLView* 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 + KHTMLView *w = getDocument()->view(); + if (w) { + KHTMLPart *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); + khtml::RenderFrame *renderFrame = static_cast<khtml::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() && ::qt_cast<KHTMLView*>( render->widget()) ) + return static_cast<KHTMLView*>( render->widget() )->part()->xmlDocImpl(); + + return 0; +} + +KHTMLPart* HTMLFrameElementImpl::contentPart() const +{ + if ( !m_render ) return 0; + + RenderPart* render = static_cast<RenderPart*>( m_render ); + + if(render->widget() && ::qt_cast<KHTMLView*>( render->widget()) ) + return static_cast<KHTMLView*>( 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<khtml::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. + KHTMLView* 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 ); +} + |