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00023 #ifndef _CSS_cssstyleselector_h_
00024 #define _CSS_cssstyleselector_h_
00025
00026 #include <qptrlist.h>
00027
00028 #include "rendering/render_style.h"
00029 #include "dom/dom_string.h"
00030
00031 class KHTMLSettings;
00032 class KHTMLView;
00033 class KHTMLPart;
00034 class KHTMLFactory;
00035 class KURL;
00036
00037 namespace DOM {
00038 class DocumentImpl;
00039 class NodeImpl;
00040 class ElementImpl;
00041 class StyleSheetImpl;
00042 class CSSStyleRuleImpl;
00043 class CSSStyleSheetImpl;
00044 class CSSSelector;
00045 class CSSStyleDeclarationImpl;
00046 class CSSProperty;
00047 class StyleSheetListImpl;
00048 class CSSValueImpl;
00049 }
00050
00051 namespace khtml
00052 {
00053 class CSSStyleSelectorList;
00054 class CSSOrderedRule;
00055 class CSSOrderedProperty;
00056 class CSSOrderedPropertyList;
00057 class RenderStyle;
00058
00059
00060
00061
00062
00063
00064 enum Source {
00065 Default = 0,
00066 NonCSSHint = 1,
00067 User = 2,
00068 Author = 3,
00069 Inline = 4,
00070 AuthorImportant = 5,
00071 InlineImportant = 6,
00072 UserImportant =7
00073 };
00074
00081 class StyleSelector
00082 {
00083 public:
00084 StyleSelector() {};
00085
00086
00087
00088
00089
00090
00091
00092 enum State {
00093 None = 0x00,
00094 Hover = 0x01,
00095 Focus = 0x02,
00096 Active = 0x04
00097 };
00098 };
00099
00100
00104 class CSSStyleSelector : public StyleSelector
00105 {
00106 public:
00115 CSSStyleSelector( DOM::DocumentImpl* doc, QString userStyleSheet, DOM::StyleSheetListImpl *styleSheets, const KURL &url,
00116 bool _strictParsing );
00120 CSSStyleSelector( DOM::CSSStyleSheetImpl *sheet );
00121
00122 ~CSSStyleSelector();
00123
00124 void addSheet( DOM::CSSStyleSheetImpl *sheet );
00125 static void clear();
00126 static void reparseConfiguration();
00127
00128 static void loadDefaultStyle(const KHTMLSettings *s = 0);
00129
00130 RenderStyle *styleForElement(DOM::ElementImpl *e);
00131
00132 QValueList<int> fontSizes() const { return m_fontSizes; }
00133 QValueList<int> fixedFontSizes() const { return m_fixedFontSizes; }
00134
00135 bool strictParsing;
00136 struct Encodedurl {
00137 QString host;
00138 QString path;
00139 QString file;
00140 } encodedurl;
00141
00142 void computeFontSizes(QPaintDeviceMetrics* paintDeviceMetrics, int zoomFactor);
00143 void computeFontSizesFor(QPaintDeviceMetrics* paintDeviceMetrics, int zoomFactor, QValueList<int>& fontSizes, bool isFixed);
00144
00145 protected:
00146
00147
00148
00149 void checkSelector(int selector, DOM::ElementImpl *e);
00150
00151 bool checkOneSelector(DOM::CSSSelector *selector, DOM::ElementImpl *e);
00152
00153 #ifdef APPLE_CHANGES
00154
00155
00156 void checkForGenericFamilyChange(RenderStyle* aStyle, RenderStyle* aParentStyle);
00157 #endif
00158
00159
00160 void buildLists();
00161 void clearLists();
00162
00163 void adjustRenderStyle(RenderStyle* style, DOM::ElementImpl *e);
00164
00165 unsigned int addInlineDeclarations(DOM::ElementImpl* e, DOM::CSSStyleDeclarationImpl *decl,
00166 unsigned int numProps);
00167
00168 static DOM::CSSStyleSheetImpl *s_defaultSheet;
00169 static DOM::CSSStyleSheetImpl *s_quirksSheet;
00170 static CSSStyleSelectorList *s_defaultStyle;
00171 static CSSStyleSelectorList *s_defaultQuirksStyle;
00172 static CSSStyleSelectorList *s_defaultPrintStyle;
00173 static RenderStyle* styleNotYetAvailable;
00174
00175 CSSStyleSelectorList *defaultStyle;
00176 CSSStyleSelectorList *defaultQuirksStyle;
00177 CSSStyleSelectorList *defaultPrintStyle;
00178
00179 CSSStyleSelectorList *authorStyle;
00180 CSSStyleSelectorList *userStyle;
00181 DOM::CSSStyleSheetImpl *userSheet;
00182
00183 public:
00184
00185 private:
00186 void init(const KHTMLSettings* settings);
00187
00188 public:
00189 enum SelectorState {
00190 Unknown = 0,
00191 Applies,
00192 AppliesPseudo,
00193 Invalid
00194 };
00195
00196 enum SelectorMedia {
00197 MediaAural = 1,
00198 MediaBraille,
00199 MediaEmboss,
00200 MediaHandheld,
00201 MediaPrint,
00202 MediaProjection,
00203 MediaScreen,
00204 MediaTTY,
00205 MediaTV
00206 };
00207 protected:
00208
00209 struct SelectorCache {
00210 SelectorState state;
00211 unsigned int props_size;
00212 int *props;
00213 };
00214
00215 unsigned int selectors_size;
00216 DOM::CSSSelector **selectors;
00217 SelectorCache *selectorCache;
00218 unsigned int properties_size;
00219 CSSOrderedProperty **properties;
00220 QMemArray<CSSOrderedProperty> inlineProps;
00221 QString m_medium;
00222 CSSOrderedProperty **propsToApply;
00223 CSSOrderedProperty **pseudoProps;
00224 unsigned int propsToApplySize;
00225 unsigned int pseudoPropsSize;
00226
00227
00228 RenderStyle::PseudoId dynamicPseudo;
00229
00230 RenderStyle *style;
00231 RenderStyle *parentStyle;
00232 DOM::ElementImpl *element;
00233 DOM::NodeImpl *parentNode;
00234 KHTMLView *view;
00235 KHTMLPart *part;
00236 const KHTMLSettings *settings;
00237 QPaintDeviceMetrics *paintDeviceMetrics;
00238 QValueList<int> m_fontSizes;
00239 QValueList<int> m_fixedFontSizes;
00240
00241 bool fontDirty;
00242
00243 void applyRule(int id, DOM::CSSValueImpl *value);
00244 };
00245
00246
00247
00248
00249
00250
00251
00252
00253
00254 class CSSOrderedProperty
00255 {
00256 public:
00257 CSSOrderedProperty(DOM::CSSProperty *_prop, uint _selector,
00258 bool first, Source source, unsigned int specificity,
00259 unsigned int _position )
00260 : prop ( _prop ), pseudoId( RenderStyle::NOPSEUDO ), selector( _selector ),
00261 position( _position )
00262 {
00263 priority = (!first << 30) | (source << 24) | specificity;
00264 }
00265
00266 bool operator < ( const CSSOrderedProperty &other ) const {
00267 if (priority < other.priority) return true;
00268 if (priority > other.priority) return false;
00269 if (position < other.position) return true;
00270 return false;
00271 }
00272
00273 DOM::CSSProperty *prop;
00274 RenderStyle::PseudoId pseudoId;
00275 unsigned int selector;
00276 unsigned int position;
00277
00278 Q_UINT32 priority;
00279 };
00280
00281
00282
00283
00284
00285 class CSSOrderedPropertyList : public QPtrList<CSSOrderedProperty>
00286 {
00287 public:
00288 virtual int compareItems(QPtrCollection::Item i1, QPtrCollection::Item i2);
00289 void append(DOM::CSSStyleDeclarationImpl *decl, uint selector, uint specificity,
00290 Source regular, Source important );
00291 };
00292
00293 class CSSOrderedRule
00294 {
00295 public:
00296 CSSOrderedRule(DOM::CSSStyleRuleImpl *r, DOM::CSSSelector *s, int _index);
00297 ~CSSOrderedRule();
00298
00299 DOM::CSSSelector *selector;
00300 DOM::CSSStyleRuleImpl *rule;
00301 int index;
00302 };
00303
00304 class CSSStyleSelectorList : public QPtrList<CSSOrderedRule>
00305 {
00306 public:
00307 CSSStyleSelectorList();
00308 virtual ~CSSStyleSelectorList();
00309
00310 void append( DOM::CSSStyleSheetImpl *sheet,
00311 const DOM::DOMString &medium = "screen" );
00312
00313 void collect( QPtrList<DOM::CSSSelector> *selectorList, CSSOrderedPropertyList *propList,
00314 Source regular, Source important );
00315 };
00316
00317 }
00318 #endif