2 * Copyright (C) 2011 Andreas Kling (kling@webkit.org)
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 #include "CSSAspectRatioValue.h"
31 #include "CSSBorderImageSliceValue.h"
32 #include "CSSCalculationValue.h"
33 #include "CSSCanvasValue.h"
34 #include "CSSCrossfadeValue.h"
35 #include "CSSCursorImageValue.h"
36 #include "CSSFontFaceSrcValue.h"
37 #include "CSSFunctionValue.h"
38 #include "CSSGradientValue.h"
39 #include "CSSImageGeneratorValue.h"
40 #include "CSSImageSetValue.h"
41 #include "CSSImageValue.h"
42 #include "CSSInheritedValue.h"
43 #include "CSSInitialValue.h"
44 #include "CSSLineBoxContainValue.h"
45 #include "CSSPrimitiveValue.h"
46 #include "CSSReflectValue.h"
47 #include "CSSTimingFunctionValue.h"
48 #include "CSSUnicodeRangeValue.h"
49 #include "CSSValueList.h"
50 #if ENABLE(CSS_VARIABLES)
51 #include "CSSVariableValue.h"
53 #include "FontValue.h"
54 #include "FontFeatureValue.h"
55 #include "ShadowValue.h"
58 #include "WebKitCSSFilterValue.h"
59 #include "WebKitCSSShaderValue.h"
60 #include "WebKitCSSTransformValue.h"
63 #include "WebKitCSSSVGDocumentValue.h"
68 struct SameSizeAsCSSValue : public RefCounted<SameSizeAsCSSValue> {
72 COMPILE_ASSERT(sizeof(CSSValue) == sizeof(SameSizeAsCSSValue), CSS_value_should_stay_small);
74 class TextCloneCSSValue : public CSSValue {
76 static PassRefPtr<TextCloneCSSValue> create(ClassType classType, const String& text) { return adoptRef(new TextCloneCSSValue(classType, text)); }
78 String cssText() const { return m_cssText; }
81 TextCloneCSSValue(ClassType classType, const String& text)
82 : CSSValue(classType, /*isCSSOMSafe*/ true)
91 bool CSSValue::isImplicitInitialValue() const
93 return m_classType == InitialClass && static_cast<const CSSInitialValue*>(this)->isImplicit();
96 CSSValue::Type CSSValue::cssValueType() const
98 if (isInheritedValue())
100 if (isPrimitiveValue())
101 return CSS_PRIMITIVE_VALUE;
103 return CSS_VALUE_LIST;
104 if (isInitialValue())
109 void CSSValue::addSubresourceStyleURLs(ListHashSet<KURL>& urls, const StyleSheetContents* styleSheet) const
111 // This should get called for internal instances only.
112 ASSERT(!isCSSOMSafe());
114 if (isPrimitiveValue())
115 static_cast<const CSSPrimitiveValue*>(this)->addSubresourceStyleURLs(urls, styleSheet);
116 else if (isValueList())
117 static_cast<const CSSValueList*>(this)->addSubresourceStyleURLs(urls, styleSheet);
118 else if (classType() == FontFaceSrcClass)
119 static_cast<const CSSFontFaceSrcValue*>(this)->addSubresourceStyleURLs(urls, styleSheet);
120 else if (classType() == ReflectClass)
121 static_cast<const CSSReflectValue*>(this)->addSubresourceStyleURLs(urls, styleSheet);
124 String CSSValue::cssText() const
127 ASSERT(isCSSOMSafe());
128 return static_cast<const TextCloneCSSValue*>(this)->cssText();
130 ASSERT(!isCSSOMSafe() || isSubtypeExposedToCSSOM());
132 switch (classType()) {
133 case AspectRatioClass:
134 return static_cast<const CSSAspectRatioValue*>(this)->customCssText();
135 case BorderImageSliceClass:
136 return static_cast<const CSSBorderImageSliceValue*>(this)->customCssText();
138 return static_cast<const CSSCanvasValue*>(this)->customCssText();
139 case CursorImageClass:
140 return static_cast<const CSSCursorImageValue*>(this)->customCssText();
142 return static_cast<const FontValue*>(this)->customCssText();
143 case FontFaceSrcClass:
144 return static_cast<const CSSFontFaceSrcValue*>(this)->customCssText();
145 case FontFeatureClass:
146 return static_cast<const FontFeatureValue*>(this)->customCssText();
148 return static_cast<const CSSFunctionValue*>(this)->customCssText();
149 case LinearGradientClass:
150 return static_cast<const CSSLinearGradientValue*>(this)->customCssText();
151 case RadialGradientClass:
152 return static_cast<const CSSRadialGradientValue*>(this)->customCssText();
154 return static_cast<const CSSCrossfadeValue*>(this)->customCssText();
156 return static_cast<const CSSImageValue*>(this)->customCssText();
158 return static_cast<const CSSInheritedValue*>(this)->customCssText();
160 return static_cast<const CSSInitialValue*>(this)->customCssText();
162 return static_cast<const CSSPrimitiveValue*>(this)->customCssText();
164 return static_cast<const CSSReflectValue*>(this)->customCssText();
166 return static_cast<const ShadowValue*>(this)->customCssText();
167 case LinearTimingFunctionClass:
168 return static_cast<const CSSLinearTimingFunctionValue*>(this)->customCssText();
169 case CubicBezierTimingFunctionClass:
170 return static_cast<const CSSCubicBezierTimingFunctionValue*>(this)->customCssText();
171 case StepsTimingFunctionClass:
172 return static_cast<const CSSStepsTimingFunctionValue*>(this)->customCssText();
173 case UnicodeRangeClass:
174 return static_cast<const CSSUnicodeRangeValue*>(this)->customCssText();
176 return static_cast<const CSSValueList*>(this)->customCssText();
177 case WebKitCSSTransformClass:
178 return static_cast<const WebKitCSSTransformValue*>(this)->customCssText();
179 case LineBoxContainClass:
180 return static_cast<const CSSLineBoxContainValue*>(this)->customCssText();
181 case CalculationClass:
182 return static_cast<const CSSCalcValue*>(this)->customCssText();
183 #if ENABLE(CSS_IMAGE_SET)
185 return static_cast<const CSSImageSetValue*>(this)->customCssText();
187 #if ENABLE(CSS_FILTERS)
188 case WebKitCSSFilterClass:
189 return static_cast<const WebKitCSSFilterValue*>(this)->customCssText();
190 #if ENABLE(CSS_SHADERS)
191 case WebKitCSSShaderClass:
192 return static_cast<const WebKitCSSShaderValue*>(this)->customCssText();
195 #if ENABLE(CSS_VARIABLES)
197 return static_cast<const CSSVariableValue*>(this)->value();
201 return static_cast<const SVGColor*>(this)->customCssText();
203 return static_cast<const SVGPaint*>(this)->customCssText();
204 case WebKitCSSSVGDocumentClass:
205 return static_cast<const WebKitCSSSVGDocumentValue*>(this)->customCssText();
208 ASSERT_NOT_REACHED();
212 #if ENABLE(CSS_VARIABLES)
213 String CSSValue::serializeResolvingVariables(const HashMap<AtomicString, String>& variables) const
215 switch (classType()) {
217 return static_cast<const CSSPrimitiveValue*>(this)->customSerializeResolvingVariables(variables);
219 return static_cast<const CSSValueList*>(this)->customSerializeResolvingVariables(variables);
220 case WebKitCSSTransformClass:
221 return static_cast<const WebKitCSSTransformValue*>(this)->customSerializeResolvingVariables(variables);
228 void CSSValue::destroy()
231 ASSERT(isCSSOMSafe());
232 delete static_cast<TextCloneCSSValue*>(this);
235 ASSERT(!isCSSOMSafe() || isSubtypeExposedToCSSOM());
237 switch (classType()) {
238 case AspectRatioClass:
239 delete static_cast<CSSAspectRatioValue*>(this);
241 case BorderImageSliceClass:
242 delete static_cast<CSSBorderImageSliceValue*>(this);
245 delete static_cast<CSSCanvasValue*>(this);
247 case CursorImageClass:
248 delete static_cast<CSSCursorImageValue*>(this);
251 delete static_cast<FontValue*>(this);
253 case FontFaceSrcClass:
254 delete static_cast<CSSFontFaceSrcValue*>(this);
256 case FontFeatureClass:
257 delete static_cast<FontFeatureValue*>(this);
260 delete static_cast<CSSFunctionValue*>(this);
262 case LinearGradientClass:
263 delete static_cast<CSSLinearGradientValue*>(this);
265 case RadialGradientClass:
266 delete static_cast<CSSRadialGradientValue*>(this);
269 delete static_cast<CSSCrossfadeValue*>(this);
272 delete static_cast<CSSImageValue*>(this);
275 delete static_cast<CSSInheritedValue*>(this);
278 delete static_cast<CSSInitialValue*>(this);
281 delete static_cast<CSSPrimitiveValue*>(this);
284 delete static_cast<CSSReflectValue*>(this);
287 delete static_cast<ShadowValue*>(this);
289 case LinearTimingFunctionClass:
290 delete static_cast<CSSLinearTimingFunctionValue*>(this);
292 case CubicBezierTimingFunctionClass:
293 delete static_cast<CSSCubicBezierTimingFunctionValue*>(this);
295 case StepsTimingFunctionClass:
296 delete static_cast<CSSStepsTimingFunctionValue*>(this);
298 case UnicodeRangeClass:
299 delete static_cast<CSSUnicodeRangeValue*>(this);
302 delete static_cast<CSSValueList*>(this);
304 case WebKitCSSTransformClass:
305 delete static_cast<WebKitCSSTransformValue*>(this);
307 case LineBoxContainClass:
308 delete static_cast<CSSLineBoxContainValue*>(this);
310 case CalculationClass:
311 delete static_cast<CSSCalcValue*>(this);
313 #if ENABLE(CSS_IMAGE_SET)
315 delete static_cast<CSSImageSetValue*>(this);
318 #if ENABLE(CSS_FILTERS)
319 case WebKitCSSFilterClass:
320 delete static_cast<WebKitCSSFilterValue*>(this);
322 #if ENABLE(CSS_SHADERS)
323 case WebKitCSSShaderClass:
324 delete static_cast<WebKitCSSShaderValue*>(this);
328 #if ENABLE(CSS_VARIABLES)
330 delete static_cast<CSSVariableValue*>(this);
335 delete static_cast<SVGColor*>(this);
338 delete static_cast<SVGPaint*>(this);
340 case WebKitCSSSVGDocumentClass:
341 delete static_cast<WebKitCSSSVGDocumentValue*>(this);
345 ASSERT_NOT_REACHED();
348 PassRefPtr<CSSValue> CSSValue::cloneForCSSOM() const
350 switch (classType()) {
352 return static_cast<const CSSPrimitiveValue*>(this)->cloneForCSSOM();
354 return static_cast<const CSSValueList*>(this)->cloneForCSSOM();
356 case CursorImageClass:
357 return static_cast<const CSSImageValue*>(this)->cloneForCSSOM();
358 #if ENABLE(CSS_FILTERS)
359 case WebKitCSSFilterClass:
360 return static_cast<const WebKitCSSFilterValue*>(this)->cloneForCSSOM();
362 case WebKitCSSTransformClass:
363 return static_cast<const WebKitCSSTransformValue*>(this)->cloneForCSSOM();
364 #if ENABLE(CSS_IMAGE_SET)
366 return static_cast<const CSSImageSetValue*>(this)->cloneForCSSOM();
370 return static_cast<const SVGColor*>(this)->cloneForCSSOM();
372 return static_cast<const SVGPaint*>(this)->cloneForCSSOM();
375 ASSERT(!isSubtypeExposedToCSSOM());
376 return TextCloneCSSValue::create(classType(), cssText());