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00023 #ifndef _CSS_cssstyleselector_h_
00024 #define _CSS_cssstyleselector_h_
00025
00026 #include <qptrlist.h>
00027 #include <qvaluevector.h>
00028
00029 #include "rendering/render_style.h"
00030 #include "dom/dom_string.h"
00031
00032 class KHTMLSettings;
00033 class KHTMLView;
00034 class KHTMLPart;
00035 class KHTMLFactory;
00036 class KURL;
00037
00038 namespace DOM {
00039 class DocumentImpl;
00040 class NodeImpl;
00041 class ElementImpl;
00042 class StyleSheetImpl;
00043 class CSSStyleRuleImpl;
00044 class CSSStyleSheetImpl;
00045 class CSSSelector;
00046 class CSSStyleDeclarationImpl;
00047 class CSSProperty;
00048 class StyleSheetListImpl;
00049 class CSSValueImpl;
00050 }
00051
00052 namespace khtml
00053 {
00054 class CSSStyleSelectorList;
00055 class CSSOrderedRule;
00056 class CSSOrderedProperty;
00057 class CSSOrderedPropertyList;
00058 class RenderStyle;
00059
00060
00061
00062
00063
00064
00065 enum Source {
00066 Default = 0,
00067 NonCSSHint = 1,
00068 User = 2,
00069 Author = 3,
00070 Inline = 4,
00071 AuthorImportant = 5,
00072 InlineImportant = 6,
00073 UserImportant =7
00074 };
00075
00082 class StyleSelector
00083 {
00084 public:
00085 StyleSelector() {}
00086
00087
00088
00089
00090
00091
00092
00093 enum State {
00094 None = 0x00,
00095 Hover = 0x01,
00096 Focus = 0x02,
00097 Active = 0x04
00098 };
00099 };
00100
00101
00105 class CSSStyleSelector : public StyleSelector
00106 {
00107 public:
00116 CSSStyleSelector( DOM::DocumentImpl* doc, QString userStyleSheet, DOM::StyleSheetListImpl *styleSheets, const KURL &url,
00117 bool _strictParsing );
00121 CSSStyleSelector( DOM::CSSStyleSheetImpl *sheet );
00122
00123 ~CSSStyleSelector();
00124
00125 void addSheet( DOM::CSSStyleSheetImpl *sheet );
00126 static void clear();
00127 static void reparseConfiguration();
00128
00129 static void loadDefaultStyle(const KHTMLSettings *s = 0);
00130
00131 RenderStyle *styleForElement(DOM::ElementImpl *e);
00132
00133 QValueVector<int> fontSizes() const { return m_fontSizes; }
00134 QValueVector<int> fixedFontSizes() const { return m_fixedFontSizes; }
00135
00136 bool strictParsing;
00137 struct Encodedurl {
00138 QString host;
00139 QString path;
00140 QString file;
00141 } encodedurl;
00142
00143 void computeFontSizes(QPaintDeviceMetrics* paintDeviceMetrics, int zoomFactor);
00144 void computeFontSizesFor(QPaintDeviceMetrics* paintDeviceMetrics, int zoomFactor, QValueVector<int>& fontSizes, bool isFixed);
00145
00146 protected:
00147
00148
00149
00150 void checkSelector(int selector, DOM::ElementImpl *e);
00151
00152 bool checkOneSelector(DOM::CSSSelector *selector, DOM::ElementImpl *e);
00153
00154 #ifdef APPLE_CHANGES
00155
00156
00157 void checkForGenericFamilyChange(RenderStyle* aStyle, RenderStyle* aParentStyle);
00158 #endif
00159
00160
00161 void buildLists();
00162 void clearLists();
00163
00164 void adjustRenderStyle(RenderStyle* style, DOM::ElementImpl *e);
00165
00166 unsigned int addInlineDeclarations(DOM::ElementImpl* e, DOM::CSSStyleDeclarationImpl *decl,
00167 unsigned int numProps);
00168
00169 static DOM::CSSStyleSheetImpl *s_defaultSheet;
00170 static DOM::CSSStyleSheetImpl *s_quirksSheet;
00171 static CSSStyleSelectorList *s_defaultStyle;
00172 static CSSStyleSelectorList *s_defaultQuirksStyle;
00173 static CSSStyleSelectorList *s_defaultPrintStyle;
00174 static RenderStyle* styleNotYetAvailable;
00175
00176 CSSStyleSelectorList *defaultStyle;
00177 CSSStyleSelectorList *defaultQuirksStyle;
00178 CSSStyleSelectorList *defaultPrintStyle;
00179
00180 CSSStyleSelectorList *authorStyle;
00181 CSSStyleSelectorList *userStyle;
00182 DOM::CSSStyleSheetImpl *userSheet;
00183
00184 public:
00185
00186 private:
00187 void init(const KHTMLSettings* settings);
00188
00189 public:
00190 enum SelectorState {
00191 Unknown = 0,
00192 Applies,
00193 AppliesPseudo,
00194 Invalid
00195 };
00196
00197 enum SelectorMedia {
00198 MediaAural = 1,
00199 MediaBraille,
00200 MediaEmboss,
00201 MediaHandheld,
00202 MediaPrint,
00203 MediaProjection,
00204 MediaScreen,
00205 MediaTTY,
00206 MediaTV
00207 };
00208 protected:
00209
00210 struct SelectorCache {
00211 SelectorState state;
00212 unsigned int props_size;
00213 int *props;
00214 };
00215
00216 unsigned int selectors_size;
00217 DOM::CSSSelector **selectors;
00218 SelectorCache *selectorCache;
00219 unsigned int properties_size;
00220 CSSOrderedProperty **properties;
00221 QMemArray<CSSOrderedProperty> inlineProps;
00222 QString m_medium;
00223 CSSOrderedProperty **propsToApply;
00224 CSSOrderedProperty **pseudoProps;
00225 unsigned int propsToApplySize;
00226 unsigned int pseudoPropsSize;
00227
00228
00229 RenderStyle::PseudoId dynamicPseudo;
00230
00231 RenderStyle *style;
00232 RenderStyle *parentStyle;
00233 DOM::ElementImpl *element;
00234 DOM::NodeImpl *parentNode;
00235 KHTMLView *view;
00236 KHTMLPart *part;
00237 const KHTMLSettings *settings;
00238 QPaintDeviceMetrics *paintDeviceMetrics;
00239 QValueVector<int> m_fontSizes;
00240 QValueVector<int> m_fixedFontSizes;
00241
00242 bool fontDirty;
00243
00244 void applyRule(int id, DOM::CSSValueImpl *value);
00245 };
00246
00247
00248
00249
00250
00251
00252
00253
00254
00255 class CSSOrderedProperty
00256 {
00257 public:
00258 CSSOrderedProperty(DOM::CSSProperty *_prop, uint _selector,
00259 bool first, Source source, unsigned int specificity,
00260 unsigned int _position )
00261 : prop ( _prop ), pseudoId( RenderStyle::NOPSEUDO ), selector( _selector ),
00262 position( _position )
00263 {
00264 priority = (!first << 30) | (source << 24) | specificity;
00265 }
00266
00267 bool operator < ( const CSSOrderedProperty &other ) const {
00268 if (priority < other.priority) return true;
00269 if (priority > other.priority) return false;
00270 if (position < other.position) return true;
00271 return false;
00272 }
00273
00274 DOM::CSSProperty *prop;
00275 RenderStyle::PseudoId pseudoId;
00276 unsigned int selector;
00277 unsigned int position;
00278
00279 Q_UINT32 priority;
00280 };
00281
00282
00283
00284
00285
00286 class CSSOrderedPropertyList : public QPtrList<CSSOrderedProperty>
00287 {
00288 public:
00289 virtual int compareItems(QPtrCollection::Item i1, QPtrCollection::Item i2);
00290 void append(DOM::CSSStyleDeclarationImpl *decl, uint selector, uint specificity,
00291 Source regular, Source important );
00292 };
00293
00294 class CSSOrderedRule
00295 {
00296 public:
00297 CSSOrderedRule(DOM::CSSStyleRuleImpl *r, DOM::CSSSelector *s, int _index);
00298 ~CSSOrderedRule();
00299
00300 DOM::CSSSelector *selector;
00301 DOM::CSSStyleRuleImpl *rule;
00302 int index;
00303 };
00304
00305 class CSSStyleSelectorList : public QPtrList<CSSOrderedRule>
00306 {
00307 public:
00308 CSSStyleSelectorList();
00309 virtual ~CSSStyleSelectorList();
00310
00311 void append( DOM::CSSStyleSheetImpl *sheet,
00312 const DOM::DOMString &medium = "screen" );
00313
00314 void collect( QPtrList<DOM::CSSSelector> *selectorList, CSSOrderedPropertyList *propList,
00315 Source regular, Source important );
00316 };
00317
00318 }
00319 #endif