📄 html_elementimpl.cpp
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DOMString HTMLElementImpl::outerText() const{ // Getting outerText is the same as getting innerText, only // setting is different. You would think this should get the plain // text for the outer range, but this is wrong, <br> for instance // would return different values for inner and outer text by such // a rule, but it doesn't. return innerText();}DocumentFragmentImpl *HTMLElementImpl::createContextualFragment( const DOMString &html ){ // the following is in accordance with the definition as used by IE if( endTag[id()] == FORBIDDEN ) return NULL; // IE disallows innerHTML on inline elements. I don't see why we should have this restriction, as our // dhtml engine can cope with it. Lars //if ( isInline() ) return false; switch( id() ) { case ID_COL: case ID_COLGROUP: case ID_FRAMESET: case ID_HEAD: case ID_STYLE: case ID_TABLE: case ID_TBODY: case ID_TFOOT: case ID_THEAD: case ID_TITLE: return NULL; default: break; } if ( !getDocument()->isHTMLDocument() ) return NULL; DocumentFragmentImpl *fragment = new DocumentFragmentImpl( docPtr() ); fragment->ref(); { HTMLTokenizer tok( docPtr(), fragment ); tok.begin(); tok.write( html.string(), true ); tok.end(); } // Exceptions are ignored because none ought to happen here. int ignoredExceptionCode; // we need to pop <html> and <body> elements and remove <head> to // accomadate folks passing complete HTML documents to make the // child of an element. NodeImpl *nextNode; for (NodeImpl *node = fragment->firstChild(); node != NULL; node = nextNode) { nextNode = node->nextSibling(); if (node->id() == ID_HTML || node->id() == ID_BODY) { NodeImpl *firstChild = node->firstChild(); if (firstChild != NULL) { nextNode = firstChild; } NodeImpl *nextChild; for (NodeImpl *child = firstChild; child != NULL; child = nextChild) { nextChild = child->nextSibling(); child->ref(); node->removeChild(child, ignoredExceptionCode); fragment->insertBefore(child, node, ignoredExceptionCode); child->deref(); } fragment->removeChild(node, ignoredExceptionCode); // FIXME: Does node leak here? } else if (node->id() == ID_HEAD) { fragment->removeChild(node, ignoredExceptionCode); // FIXME: Does node leak here? } } // Trick to get the fragment back to the floating state, with 0 // refs but not destroyed. fragment->setParent(this); fragment->deref(); fragment->setParent(0); return fragment;}bool HTMLElementImpl::setInnerHTML( const DOMString &html ){ DocumentFragmentImpl *fragment = createContextualFragment( html ); if (fragment == NULL) { return false; } removeChildren(); int ec = 0; appendChild( fragment, ec ); delete fragment; return !ec;}bool HTMLElementImpl::setOuterHTML( const DOMString &html ){ DocumentFragmentImpl *fragment = createContextualFragment( html ); if (fragment == NULL) { return false; } int ec = 0; parentNode()->replaceChild(fragment, this, ec); return !ec;}bool HTMLElementImpl::setInnerText( const DOMString &text ){ // following the IE specs. if( endTag[id()] == FORBIDDEN ) return false; // IE disallows innerText on inline elements. I don't see why we should have this restriction, as our // dhtml engine can cope with it. Lars //if ( isInline() ) return false; switch( id() ) { case ID_COL: case ID_COLGROUP: case ID_FRAMESET: case ID_HEAD: case ID_HTML: case ID_TABLE: case ID_TBODY: case ID_TFOOT: case ID_THEAD: case ID_TR: return false; default: break; } removeChildren(); TextImpl *t = new TextImpl( docPtr(), text ); int ec = 0; appendChild( t, ec ); if ( !ec ) return true; return false;}bool HTMLElementImpl::setOuterText( const DOMString &text ){ // following the IE specs. if( endTag[id()] == FORBIDDEN ) return false; switch( id() ) { case ID_COL: case ID_COLGROUP: case ID_FRAMESET: case ID_HEAD: case ID_HTML: case ID_TABLE: case ID_TBODY: case ID_TFOOT: case ID_THEAD: case ID_TR: return false; default: break; } NodeBaseImpl *parent = static_cast<NodeBaseImpl *>(parentNode()); if (!parent) { return false; } TextImpl *t = new TextImpl( docPtr(), text ); int ec = 0; parent->replaceChild(t, this, ec); if ( ec ) return false; // is previous node a text node? if so, merge into it NodeImpl *prev = t->previousSibling(); if (prev && prev->isTextNode()) { TextImpl *textPrev = static_cast<TextImpl *>(prev); textPrev->appendData(t->data(), ec); t->parentNode()->removeChild(t, ec); t = textPrev; } if ( ec ) return false; // is next node a text node? if so, merge it in NodeImpl *next = t->nextSibling(); if (next && next->isTextNode()) { TextImpl *textNext = static_cast<TextImpl *>(next); t->appendData(textNext->data(), ec); textNext->parentNode()->removeChild(textNext, ec); } if ( ec ) return false; return true;}DOMString HTMLElementImpl::namespaceURI() const{ // For HTML documents, we treat HTML elements as having no namespace. But for XML documents // the elements have the namespace defined in the XHTML spec if (getDocument()->isHTMLDocument()) return DOMString(); else return XHTML_NAMESPACE;}void HTMLElementImpl::addHTMLAlignment(HTMLAttributeImpl* attr){ //qDebug("alignment is %s", alignment.string().latin1() ); // vertical alignment with respect to the current baseline of the text // right or left means floating images int propfloat = -1; int propvalign = -1; const AtomicString& alignment = attr->value(); if ( strcasecmp( alignment, "absmiddle" ) == 0 ) { propvalign = CSS_VAL_MIDDLE; } else if ( strcasecmp( alignment, "absbottom" ) == 0 ) { propvalign = CSS_VAL_BOTTOM; } else if ( strcasecmp( alignment, "left" ) == 0 ) { propfloat = CSS_VAL_LEFT; propvalign = CSS_VAL_TOP; } else if ( strcasecmp( alignment, "right" ) == 0 ) { propfloat = CSS_VAL_RIGHT; propvalign = CSS_VAL_TOP; } else if ( strcasecmp( alignment, "top" ) == 0 ) { propvalign = CSS_VAL_TOP; } else if ( strcasecmp( alignment, "middle" ) == 0 ) { propvalign = CSS_VAL__KHTML_BASELINE_MIDDLE; } else if ( strcasecmp( alignment, "center" ) == 0 ) { propvalign = CSS_VAL_MIDDLE; } else if ( strcasecmp( alignment, "bottom" ) == 0 ) { propvalign = CSS_VAL_BASELINE; } else if ( strcasecmp ( alignment, "texttop") == 0 ) { propvalign = CSS_VAL_TEXT_TOP; } if ( propfloat != -1 ) addCSSProperty( attr, CSS_PROP_FLOAT, propfloat ); if ( propvalign != -1 ) addCSSProperty( attr, CSS_PROP_VERTICAL_ALIGN, propvalign );}bool HTMLElementImpl::isFocusable() const{ return isContentEditable() && parent() && !parent()->isContentEditable();}bool HTMLElementImpl::isContentEditable() const { if (getDocument()->part() && getDocument()->part()->isContentEditable()) return true; getDocument()->updateRendering(); if (!renderer()) { if (parentNode()) return parentNode()->isContentEditable(); else return false; } return renderer()->style()->userModify() == READ_WRITE;}DOMString HTMLElementImpl::contentEditable() const { getDocument()->updateRendering(); if (!renderer()) return "false"; switch (renderer()->style()->userModify()) { case READ_WRITE: return "true"; case READ_ONLY: return "false"; default: return "inherit"; } return "inherit";}void HTMLElementImpl::setContentEditable(HTMLAttributeImpl* attr) { const AtomicString& enabled = attr->value(); if (enabled.isEmpty() || strcasecmp(enabled, "true") == 0) addCSSProperty(attr, CSS_PROP__KHTML_USER_MODIFY, CSS_VAL_READ_WRITE); else if (strcasecmp(enabled, "false") == 0) addCSSProperty(attr, CSS_PROP__KHTML_USER_MODIFY, CSS_VAL_READ_ONLY); else if (strcasecmp(enabled, "inherit") == 0) addCSSProperty(attr, CSS_PROP__KHTML_USER_MODIFY, CSS_VAL_INHERIT);}void HTMLElementImpl::setContentEditable(const DOMString &enabled) { if (enabled == "inherit") { int exceptionCode; removeAttribute(ATTR_CONTENTEDITABLE, exceptionCode); } else setAttribute(ATTR_CONTENTEDITABLE, enabled.isEmpty() ? "true" : enabled);}void HTMLElementImpl::click(){ int x = 0; int y = 0; if (renderer()) { renderer()->absolutePosition(x,y); x += renderer()->width() / 2; y += renderer()->height() / 2; } // always send click QMouseEvent evt(QEvent::MouseButtonRelease, QPoint(x,y), Qt::LeftButton, 0); dispatchMouseEvent(&evt, EventImpl::KHTML_CLICK_EVENT);}DOMString HTMLElementImpl::toString() const{ if (!hasChildNodes()) { DOMString result = openTagStartToString(); result += ">"; if (endTag[id()] == REQUIRED) { result += "</"; result += tagName(); result += ">"; } return result; } return ElementImpl::toString();}// -------------------------------------------------------------------------HTMLGenericElementImpl::HTMLGenericElementImpl(DocumentPtr *doc, ushort i) : HTMLElementImpl(doc){ _id = i;}HTMLGenericElementImpl::~HTMLGenericElementImpl(){}⌨️ 快捷键说明
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