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1 /* | 1 /* |
2 * Copyright (C) 2007-2011 Google Inc. All rights reserved. | 2 * Copyright (C) 2007-2011 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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32 | 32 |
33 #include "bindings/core/v8/ExceptionState.h" | 33 #include "bindings/core/v8/ExceptionState.h" |
34 #include "bindings/core/v8/V8Binding.h" | 34 #include "bindings/core/v8/V8Binding.h" |
35 #include "core/CSSPropertyNames.h" | 35 #include "core/CSSPropertyNames.h" |
36 #include "core/css/CSSPrimitiveValue.h" | 36 #include "core/css/CSSPrimitiveValue.h" |
37 #include "core/css/CSSPropertyMetadata.h" | 37 #include "core/css/CSSPropertyMetadata.h" |
38 #include "core/css/CSSStyleDeclaration.h" | 38 #include "core/css/CSSStyleDeclaration.h" |
39 #include "core/css/CSSValue.h" | 39 #include "core/css/CSSValue.h" |
40 #include "core/css/parser/CSSParser.h" | 40 #include "core/css/parser/CSSParser.h" |
41 #include "core/events/EventTarget.h" | 41 #include "core/events/EventTarget.h" |
42 #include "core/frame/UseCounter.h" | |
43 #include "wtf/ASCIICType.h" | 42 #include "wtf/ASCIICType.h" |
44 #include "wtf/PassRefPtr.h" | 43 #include "wtf/PassRefPtr.h" |
45 #include "wtf/RefPtr.h" | 44 #include "wtf/RefPtr.h" |
46 #include "wtf/StdLibExtras.h" | 45 #include "wtf/StdLibExtras.h" |
47 #include "wtf/Vector.h" | 46 #include "wtf/Vector.h" |
48 #include "wtf/text/StringBuilder.h" | 47 #include "wtf/text/StringBuilder.h" |
49 #include "wtf/text/StringConcatenate.h" | 48 #include "wtf/text/StringConcatenate.h" |
50 #include <algorithm> | 49 #include <algorithm> |
51 | 50 |
52 using namespace WTF; | 51 using namespace WTF; |
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73 unsigned length = propertyName.length(); | 72 unsigned length = propertyName.length(); |
74 for (unsigned i = 1; i < length; ++i) { | 73 for (unsigned i = 1; i < length; ++i) { |
75 if (!prefix[i]) | 74 if (!prefix[i]) |
76 return isASCIIUpper(propertyName[i]); | 75 return isASCIIUpper(propertyName[i]); |
77 if (propertyName[i] != prefix[i]) | 76 if (propertyName[i] != prefix[i]) |
78 return false; | 77 return false; |
79 } | 78 } |
80 return false; | 79 return false; |
81 } | 80 } |
82 | 81 |
83 static CSSPropertyID parseCSSPropertyID(v8::Isolate* isolate, const String& prop
ertyName) | 82 static CSSPropertyID parseCSSPropertyID(const String& propertyName) |
84 { | 83 { |
85 unsigned length = propertyName.length(); | 84 unsigned length = propertyName.length(); |
86 if (!length) | 85 if (!length) |
87 return CSSPropertyInvalid; | 86 return CSSPropertyInvalid; |
88 | 87 |
89 StringBuilder builder; | 88 StringBuilder builder; |
90 builder.reserveCapacity(length); | 89 builder.reserveCapacity(length); |
91 | 90 |
92 unsigned i = 0; | 91 unsigned i = 0; |
93 bool hasSeenDash = false; | 92 bool hasSeenDash = false; |
94 | 93 |
95 if (hasCSSPropertyNamePrefix(propertyName, "css")) { | 94 if (hasCSSPropertyNamePrefix(propertyName, "webkit")) |
96 i += 3; | |
97 // getComputedStyle(elem).cssX is a non-standard behaviour | |
98 // Measure this behaviour as CSSXGetComputedStyleQueries. | |
99 UseCounter::countDeprecationIfNotPrivateScript(isolate, currentExecution
Context(isolate), UseCounter::CSSXGetComputedStyleQueries); | |
100 } else if (hasCSSPropertyNamePrefix(propertyName, "webkit")) | |
101 builder.append('-'); | 95 builder.append('-'); |
102 else if (isASCIIUpper(propertyName[0])) | 96 else if (isASCIIUpper(propertyName[0])) |
103 return CSSPropertyInvalid; | 97 return CSSPropertyInvalid; |
104 | 98 |
105 bool hasSeenUpper = isASCIIUpper(propertyName[i]); | 99 bool hasSeenUpper = isASCIIUpper(propertyName[i]); |
106 | 100 |
107 builder.append(toASCIILower(propertyName[i++])); | 101 builder.append(toASCIILower(propertyName[i++])); |
108 | 102 |
109 for (; i < length; ++i) { | 103 for (; i < length; ++i) { |
110 UChar c = propertyName[i]; | 104 UChar c = propertyName[i]; |
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129 | 123 |
130 // When getting properties on CSSStyleDeclarations, the name used from | 124 // When getting properties on CSSStyleDeclarations, the name used from |
131 // Javascript and the actual name of the property are not the same, so | 125 // Javascript and the actual name of the property are not the same, so |
132 // we have to do the following translation. The translation turns upper | 126 // we have to do the following translation. The translation turns upper |
133 // case characters into lower case characters and inserts dashes to | 127 // case characters into lower case characters and inserts dashes to |
134 // separate words. | 128 // separate words. |
135 // | 129 // |
136 // Example: 'backgroundPositionY' -> 'background-position-y' | 130 // Example: 'backgroundPositionY' -> 'background-position-y' |
137 // | 131 // |
138 // Also, certain prefixes such as 'css-' are stripped. | 132 // Also, certain prefixes such as 'css-' are stripped. |
139 static CSSPropertyID cssPropertyInfo(v8::Local<v8::String> v8PropertyName, v8::I
solate* isolate) | 133 static CSSPropertyID cssPropertyInfo(v8::Local<v8::String> v8PropertyName) |
140 { | 134 { |
141 String propertyName = toCoreString(v8PropertyName); | 135 String propertyName = toCoreString(v8PropertyName); |
142 typedef HashMap<String, CSSPropertyID> CSSPropertyIDMap; | 136 typedef HashMap<String, CSSPropertyID> CSSPropertyIDMap; |
143 DEFINE_STATIC_LOCAL(CSSPropertyIDMap, map, ()); | 137 DEFINE_STATIC_LOCAL(CSSPropertyIDMap, map, ()); |
144 CSSPropertyIDMap::iterator iter = map.find(propertyName); | 138 CSSPropertyIDMap::iterator iter = map.find(propertyName); |
145 if (iter != map.end()) | 139 if (iter != map.end()) |
146 return iter->value; | 140 return iter->value; |
147 | 141 |
148 CSSPropertyID unresolvedProperty = parseCSSPropertyID(isolate, propertyName)
; | 142 CSSPropertyID unresolvedProperty = parseCSSPropertyID(propertyName); |
149 map.add(propertyName, unresolvedProperty); | 143 map.add(propertyName, unresolvedProperty); |
150 ASSERT(!unresolvedProperty || CSSPropertyMetadata::isEnabledProperty(unresol
vedProperty)); | 144 ASSERT(!unresolvedProperty || CSSPropertyMetadata::isEnabledProperty(unresol
vedProperty)); |
151 return unresolvedProperty; | 145 return unresolvedProperty; |
152 } | 146 } |
153 | 147 |
154 void V8CSSStyleDeclaration::namedPropertyEnumeratorCustom(const v8::PropertyCall
backInfo<v8::Array>& info) | 148 void V8CSSStyleDeclaration::namedPropertyEnumeratorCustom(const v8::PropertyCall
backInfo<v8::Array>& info) |
155 { | 149 { |
156 typedef Vector<String, numCSSProperties - 1> PreAllocatedPropertyVector; | 150 typedef Vector<String, numCSSProperties - 1> PreAllocatedPropertyVector; |
157 DEFINE_STATIC_LOCAL(PreAllocatedPropertyVector, propertyNames, ()); | 151 DEFINE_STATIC_LOCAL(PreAllocatedPropertyVector, propertyNames, ()); |
158 static unsigned propertyNamesLength = 0; | 152 static unsigned propertyNamesLength = 0; |
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179 | 173 |
180 v8SetReturnValue(info, properties); | 174 v8SetReturnValue(info, properties); |
181 } | 175 } |
182 | 176 |
183 void V8CSSStyleDeclaration::namedPropertyQueryCustom(v8::Local<v8::Name> v8Name,
const v8::PropertyCallbackInfo<v8::Integer>& info) | 177 void V8CSSStyleDeclaration::namedPropertyQueryCustom(v8::Local<v8::Name> v8Name,
const v8::PropertyCallbackInfo<v8::Integer>& info) |
184 { | 178 { |
185 if (!v8Name->IsString()) | 179 if (!v8Name->IsString()) |
186 return; | 180 return; |
187 // NOTE: cssPropertyInfo lookups incur several mallocs. | 181 // NOTE: cssPropertyInfo lookups incur several mallocs. |
188 // Successful lookups have the same cost the first time, but are cached. | 182 // Successful lookups have the same cost the first time, but are cached. |
189 if (cssPropertyInfo(v8Name.As<v8::String>(), info.GetIsolate())) { | 183 if (cssPropertyInfo(v8Name.As<v8::String>())) { |
190 v8SetReturnValueInt(info, 0); | 184 v8SetReturnValueInt(info, 0); |
191 return; | 185 return; |
192 } | 186 } |
193 } | 187 } |
194 | 188 |
195 void V8CSSStyleDeclaration::namedPropertyGetterCustom(v8::Local<v8::Name> name,
const v8::PropertyCallbackInfo<v8::Value>& info) | 189 void V8CSSStyleDeclaration::namedPropertyGetterCustom(v8::Local<v8::Name> name,
const v8::PropertyCallbackInfo<v8::Value>& info) |
196 { | 190 { |
197 // Search the style declaration. | 191 // Search the style declaration. |
198 CSSPropertyID unresolvedProperty = cssPropertyInfo(name.As<v8::String>(), in
fo.GetIsolate()); | 192 CSSPropertyID unresolvedProperty = cssPropertyInfo(name.As<v8::String>()); |
199 | 193 |
200 // Do not handle non-property names. | 194 // Do not handle non-property names. |
201 if (!unresolvedProperty) | 195 if (!unresolvedProperty) |
202 return; | 196 return; |
203 CSSPropertyID resolvedProperty = resolveCSSPropertyID(unresolvedProperty); | 197 CSSPropertyID resolvedProperty = resolveCSSPropertyID(unresolvedProperty); |
204 | 198 |
205 CSSStyleDeclaration* impl = V8CSSStyleDeclaration::toImpl(info.Holder()); | 199 CSSStyleDeclaration* impl = V8CSSStyleDeclaration::toImpl(info.Holder()); |
206 // TODO(leviw): This API doesn't support custom properties. | 200 // TODO(leviw): This API doesn't support custom properties. |
207 RefPtrWillBeRawPtr<CSSValue> cssValue = impl->getPropertyCSSValueInternal(re
solvedProperty); | 201 RefPtrWillBeRawPtr<CSSValue> cssValue = impl->getPropertyCSSValueInternal(re
solvedProperty); |
208 if (cssValue) { | 202 if (cssValue) { |
209 v8SetReturnValueStringOrNull(info, cssValue->cssText(), info.GetIsolate(
)); | 203 v8SetReturnValueStringOrNull(info, cssValue->cssText(), info.GetIsolate(
)); |
210 return; | 204 return; |
211 } | 205 } |
212 | 206 |
213 String result = impl->getPropertyValueInternal(resolvedProperty); | 207 String result = impl->getPropertyValueInternal(resolvedProperty); |
214 v8SetReturnValueString(info, result, info.GetIsolate()); | 208 v8SetReturnValueString(info, result, info.GetIsolate()); |
215 } | 209 } |
216 | 210 |
217 void V8CSSStyleDeclaration::namedPropertySetterCustom(v8::Local<v8::Name> name,
v8::Local<v8::Value> value, const v8::PropertyCallbackInfo<v8::Value>& info) | 211 void V8CSSStyleDeclaration::namedPropertySetterCustom(v8::Local<v8::Name> name,
v8::Local<v8::Value> value, const v8::PropertyCallbackInfo<v8::Value>& info) |
218 { | 212 { |
219 if (!name->IsString()) | 213 if (!name->IsString()) |
220 return; | 214 return; |
221 CSSStyleDeclaration* impl = V8CSSStyleDeclaration::toImpl(info.Holder()); | 215 CSSStyleDeclaration* impl = V8CSSStyleDeclaration::toImpl(info.Holder()); |
222 CSSPropertyID unresolvedProperty = cssPropertyInfo(name.As<v8::String>(), in
fo.GetIsolate()); | 216 CSSPropertyID unresolvedProperty = cssPropertyInfo(name.As<v8::String>()); |
223 if (!unresolvedProperty) | 217 if (!unresolvedProperty) |
224 return; | 218 return; |
225 | 219 |
226 TOSTRING_VOID(V8StringResource<TreatNullAsNullString>, propertyValue, value)
; | 220 TOSTRING_VOID(V8StringResource<TreatNullAsNullString>, propertyValue, value)
; |
227 ExceptionState exceptionState(ExceptionState::SetterContext, getPropertyName
(resolveCSSPropertyID(unresolvedProperty)), "CSSStyleDeclaration", info.Holder()
, info.GetIsolate()); | 221 ExceptionState exceptionState(ExceptionState::SetterContext, getPropertyName
(resolveCSSPropertyID(unresolvedProperty)), "CSSStyleDeclaration", info.Holder()
, info.GetIsolate()); |
228 // TODO(leviw): This API doesn't support custom properties. | 222 // TODO(leviw): This API doesn't support custom properties. |
229 impl->setPropertyInternal(unresolvedProperty, String(), propertyValue, false
, exceptionState); | 223 impl->setPropertyInternal(unresolvedProperty, String(), propertyValue, false
, exceptionState); |
230 | 224 |
231 if (exceptionState.throwIfNeeded()) | 225 if (exceptionState.throwIfNeeded()) |
232 return; | 226 return; |
233 | 227 |
234 v8SetReturnValue(info, value); | 228 v8SetReturnValue(info, value); |
235 } | 229 } |
236 | 230 |
237 } // namespace blink | 231 } // namespace blink |
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