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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "core/dom/custom/CustomElementsRegistry.h" | 5 #include "core/dom/custom/CustomElementsRegistry.h" |
6 | 6 |
7 // TODO(dominicc): Stop including Document.h when | 7 // TODO(dominicc): Stop including Document.h when |
8 // v0CustomElementIsDefined has been removed. | 8 // v0CustomElementIsDefined has been removed. |
9 #include "bindings/core/v8/DOMWrapperWorld.h" | 9 #include "bindings/core/v8/DOMWrapperWorld.h" |
10 #include "bindings/core/v8/ExceptionState.h" | 10 #include "bindings/core/v8/ExceptionState.h" |
11 #include "bindings/core/v8/ScriptState.h" | 11 #include "bindings/core/v8/ScriptState.h" |
12 #include "bindings/core/v8/ScriptValue.h" | 12 #include "bindings/core/v8/ScriptValue.h" |
13 #include "bindings/core/v8/V8Binding.h" | 13 #include "bindings/core/v8/V8Binding.h" |
14 #include "bindings/core/v8/V8BindingMacros.h" | 14 #include "bindings/core/v8/V8BindingMacros.h" |
15 #include "bindings/core/v8/V8HiddenValue.h" | 15 #include "bindings/core/v8/V8HiddenValue.h" |
16 #include "core/dom/Document.h" | 16 #include "core/dom/Document.h" |
17 #include "core/dom/ElementRegistrationOptions.h" | 17 #include "core/dom/ElementRegistrationOptions.h" |
18 #include "core/dom/ExceptionCode.h" | 18 #include "core/dom/ExceptionCode.h" |
19 #include "core/dom/custom/CustomElement.h" | 19 #include "core/dom/custom/CustomElement.h" |
20 #include "core/dom/custom/CustomElementDefinition.h" | 20 #include "core/dom/custom/CustomElementDefinition.h" |
21 #include "core/dom/custom/V0CustomElementRegistrationContext.h" | 21 #include "core/dom/custom/V0CustomElementRegistrationContext.h" |
22 #include "core/dom/custom/V0CustomElementRegistry.h" | 22 #include "core/dom/custom/V0CustomElementRegistry.h" |
23 | 23 |
24 namespace blink { | 24 namespace blink { |
25 | 25 |
26 CustomElementsRegistry* CustomElementsRegistry::create( | 26 CustomElementsRegistry* CustomElementsRegistry::create( |
27 ScriptState* scriptState, | |
28 V0CustomElementRegistrationContext* v0) | 27 V0CustomElementRegistrationContext* v0) |
29 { | 28 { |
30 DCHECK(scriptState->world().isMainWorld()); | |
31 CustomElementsRegistry* registry = new CustomElementsRegistry(v0); | 29 CustomElementsRegistry* registry = new CustomElementsRegistry(v0); |
32 if (v0) | 30 if (v0) |
33 v0->setV1(registry); | 31 v0->setV1(registry); |
34 | |
35 v8::Isolate* isolate = scriptState->isolate(); | |
36 v8::Local<v8::Object> wrapper = | |
37 toV8(registry, scriptState).As<v8::Object>(); | |
38 v8::Local<v8::String> name = | |
39 V8HiddenValue::customElementsRegistryMap(isolate); | |
40 v8::Local<v8::Map> map = v8::Map::New(isolate); | |
41 bool didSetPrototype = | |
42 V8HiddenValue::setHiddenValue(scriptState, wrapper, name, map); | |
43 DCHECK(didSetPrototype); | |
44 | |
45 return registry; | 32 return registry; |
46 } | 33 } |
47 | 34 |
48 CustomElementsRegistry::CustomElementsRegistry( | 35 CustomElementsRegistry::CustomElementsRegistry( |
49 const V0CustomElementRegistrationContext* v0) | 36 const V0CustomElementRegistrationContext* v0) |
50 : m_v0(v0) | 37 : m_v0(v0) |
51 { | 38 { |
52 } | 39 } |
53 | 40 |
54 // http://w3c.github.io/webcomponents/spec/custom/#dfn-element-definition | 41 // http://w3c.github.io/webcomponents/spec/custom/#dfn-element-definition |
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166 return v8CallOrCrash( | 153 return v8CallOrCrash( |
167 idMap(scriptState)->Get(scriptState->context(), idValue)) | 154 idMap(scriptState)->Get(scriptState->context(), idValue)) |
168 .As<v8::Object>(); | 155 .As<v8::Object>(); |
169 } | 156 } |
170 | 157 |
171 bool CustomElementsRegistry::nameIsDefined(const AtomicString& name) const | 158 bool CustomElementsRegistry::nameIsDefined(const AtomicString& name) const |
172 { | 159 { |
173 return m_names.contains(name); | 160 return m_names.contains(name); |
174 } | 161 } |
175 | 162 |
163 void CustomElementsRegistry::initializeScript( | |
haraken
2016/05/23 01:46:37
I'd rename the method to ensureConstructorMap() an
| |
164 ScriptState* scriptState, | |
165 v8::Local<v8::Map>& map) | |
166 { | |
167 CHECK(scriptState->world().isMainWorld()); | |
168 v8::Local<v8::Object> wrapper = toV8(this, scriptState).As<v8::Object>(); | |
169 v8::Isolate* isolate = scriptState->isolate(); | |
170 v8::Local<v8::String> name = | |
171 V8HiddenValue::customElementsRegistryMap(isolate); | |
172 DCHECK(V8HiddenValue::getHiddenValue(scriptState, wrapper, name).IsEmpty()); | |
173 map = v8::Map::New(isolate); | |
174 V8HiddenValue::setHiddenValue(scriptState, wrapper, name, map); | |
175 } | |
176 | |
176 v8::Local<v8::Map> CustomElementsRegistry::idMap(ScriptState* scriptState) | 177 v8::Local<v8::Map> CustomElementsRegistry::idMap(ScriptState* scriptState) |
177 { | 178 { |
178 DCHECK(scriptState->world().isMainWorld()); | 179 CHECK(scriptState->world().isMainWorld()); |
179 v8::Local<v8::Object> wrapper = | 180 v8::Local<v8::Object> wrapper = toV8(this, scriptState).As<v8::Object>(); |
180 toV8(this, scriptState).As<v8::Object>(); | |
181 v8::Local<v8::String> name = V8HiddenValue::customElementsRegistryMap( | 181 v8::Local<v8::String> name = V8HiddenValue::customElementsRegistryMap( |
182 scriptState->isolate()); | 182 scriptState->isolate()); |
183 return V8HiddenValue::getHiddenValue(scriptState, wrapper, name) | 183 v8::Local<v8::Value> mapValue = |
184 .As<v8::Map>(); | 184 V8HiddenValue::getHiddenValue(scriptState, wrapper, name); |
185 v8::Local<v8::Map> map; | |
186 if (!mapValue.IsEmpty()) | |
187 map = mapValue.As<v8::Map>(); | |
188 else | |
189 initializeScript(scriptState, map); | |
190 return map; | |
185 } | 191 } |
186 | 192 |
187 bool CustomElementsRegistry::idForConstructor( | 193 bool CustomElementsRegistry::idForConstructor( |
188 ScriptState* scriptState, | 194 ScriptState* scriptState, |
189 v8::Local<v8::Value> constructor, | 195 v8::Local<v8::Value> constructor, |
190 Id& id) | 196 Id& id) |
191 { | 197 { |
192 v8::Local<v8::Value> entry = v8CallOrCrash( | 198 v8::Local<v8::Value> entry = v8CallOrCrash( |
193 idMap(scriptState)->Get(scriptState->context(), constructor)); | 199 idMap(scriptState)->Get(scriptState->context(), constructor)); |
194 if (!entry->IsUint32()) | 200 if (!entry->IsUint32()) |
195 return false; | 201 return false; |
196 id = v8CallOrCrash(entry->Uint32Value(scriptState->context())); | 202 id = v8CallOrCrash(entry->Uint32Value(scriptState->context())); |
197 return true; | 203 return true; |
198 } | 204 } |
199 | 205 |
200 bool CustomElementsRegistry::v0NameIsDefined(const AtomicString& name) | 206 bool CustomElementsRegistry::v0NameIsDefined(const AtomicString& name) |
201 { | 207 { |
202 return m_v0.get() && m_v0->nameIsDefined(name); | 208 return m_v0.get() && m_v0->nameIsDefined(name); |
203 } | 209 } |
204 | 210 |
205 DEFINE_TRACE(CustomElementsRegistry) | 211 DEFINE_TRACE(CustomElementsRegistry) |
206 { | 212 { |
207 visitor->trace(m_definitions); | 213 visitor->trace(m_definitions); |
208 visitor->trace(m_v0); | 214 visitor->trace(m_v0); |
209 } | 215 } |
210 | 216 |
211 } // namespace blink | 217 } // namespace blink |
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