Mercurial > dillo_port1.3
view src/styleengine.hh @ 1734:90feb0de4310
add StyleEngine::restyle()
author | Johannes Hofmann <Johannes.Hofmann@gmx.de> |
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date | Mon, 11 Oct 2010 21:50:13 +0200 |
parents | f39cfc38ea10 |
children | 7974b38cc036 |
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#ifndef __STYLEENGINE_HH__ #define __STYLEENGINE_HH__ class StyleEngine; #include "dw/core.hh" #include "doctree.hh" #include "css.hh" #include "cssparser.hh" /** * \brief This class provides the glue between HTML parser and CSS subsystem. * * It maintains a document tree and creates and caches style objects for use * by the HTML parser. * The HTML parser in turn informs StyleEngine about opened or closed * HTML elements and their attributes via the startElement() / endElement() * methods. */ class StyleEngine { private: struct Node { CssPropertyList *styleAttrProperties; CssPropertyList *nonCssProperties; dw::core::style::Style *style; dw::core::style::Style *wordStyle; bool inheritBackgroundColor; }; dw::core::Layout *layout; lout::misc::SimpleVector <Node> *stack; CssContext *cssContext; Doctree *doctree; int importDepth; dw::core::style::Style *style0 (int i); dw::core::style::Style *wordStyle0 (); void setNonCssHint(CssPropertyName name, CssValueType type, CssPropertyValue value); void preprocessAttrs (dw::core::style::StyleAttrs *attrs); void postprocessAttrs (dw::core::style::StyleAttrs *attrs); void apply (dw::core::style::StyleAttrs *attrs, CssPropertyList *props); bool computeValue (int *dest, CssLength value, dw::core::style::Font *font); bool computeValue (int *dest, CssLength value, dw::core::style::Font *font, int percentageBase); bool computeLength (dw::core::style::Length *dest, CssLength value, dw::core::style::Font *font); void computeBorderWidth (int *dest, CssProperty *p, dw::core::style::Font *font); public: StyleEngine (dw::core::Layout *layout); ~StyleEngine (); void parse (DilloHtml *html, DilloUrl *url, const char *buf, int buflen, CssOrigin origin); void startElement (int tag); void startElement (const char *tagname); void setId (const char *id); const char * getId () { return doctree->top ()->id; }; void setClass (const char *klass); void setStyle (const char *style); void endElement (int tag); void setPseudoLink (); void setPseudoVisited (); void setNonCssHint(CssPropertyName name, CssValueType type, int value) { CssPropertyValue v; v.intVal = value; setNonCssHint (name, type, v); } void setNonCssHint(CssPropertyName name, CssValueType type, const char *value) { CssPropertyValue v; v.strVal = dStrdup(value); setNonCssHint (name, type, v); } void inheritNonCssHints (); void clearNonCssHints (); void restyle (); void inheritBackgroundColor (); /* \todo get rid of this somehow */ dw::core::style::Style *backgroundStyle (); inline dw::core::style::Style *style () { dw::core::style::Style *s = stack->getRef (stack->size () - 1)->style; if (s) return s; else return style0 (stack->size () - 1); }; inline dw::core::style::Style *wordStyle () { dw::core::style::Style *s = stack->getRef(stack->size()-1)->wordStyle; if (s) return s; else return wordStyle0 (); }; }; #endif