OLD | NEW |
---|---|
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 "modules/csspaint/PaintWorkletGlobalScope.h" | 5 #include "modules/csspaint/PaintWorkletGlobalScope.h" |
6 | 6 |
7 #include "bindings/core/v8/CSSPaintBinding.h" | |
8 #include "bindings/core/v8/ScopedPersistent.h" | |
7 #include "bindings/core/v8/WorkerOrWorkletScriptController.h" | 9 #include "bindings/core/v8/WorkerOrWorkletScriptController.h" |
10 #include "core/dom/ExceptionCode.h" | |
8 #include "core/inspector/MainThreadDebugger.h" | 11 #include "core/inspector/MainThreadDebugger.h" |
12 #include "modules/csspaint/CSSPaintDefinition.h" | |
9 | 13 |
10 namespace blink { | 14 namespace blink { |
11 | 15 |
12 // static | 16 // static |
13 PassRefPtrWillBeRawPtr<PaintWorkletGlobalScope> PaintWorkletGlobalScope::create( LocalFrame* frame, const KURL& url, const String& userAgent, PassRefPtr<Security Origin> securityOrigin, v8::Isolate* isolate) | 17 PassRefPtrWillBeRawPtr<PaintWorkletGlobalScope> PaintWorkletGlobalScope::create( LocalFrame* frame, const KURL& url, const String& userAgent, PassRefPtr<Security Origin> securityOrigin, v8::Isolate* isolate) |
14 { | 18 { |
15 RefPtrWillBeRawPtr<PaintWorkletGlobalScope> paintWorkletGlobalScope = adoptR efWillBeNoop(new PaintWorkletGlobalScope(frame, url, userAgent, securityOrigin, isolate)); | 19 RefPtrWillBeRawPtr<PaintWorkletGlobalScope> paintWorkletGlobalScope = adoptR efWillBeNoop(new PaintWorkletGlobalScope(frame, url, userAgent, securityOrigin, isolate)); |
16 paintWorkletGlobalScope->scriptController()->initializeContextIfNeeded(); | 20 paintWorkletGlobalScope->scriptController()->initializeContextIfNeeded(); |
17 MainThreadDebugger::instance()->contextCreated(paintWorkletGlobalScope->scri ptController()->getScriptState(), paintWorkletGlobalScope->frame(), paintWorklet GlobalScope->getSecurityOrigin()); | 21 MainThreadDebugger::instance()->contextCreated(paintWorkletGlobalScope->scri ptController()->getScriptState(), paintWorkletGlobalScope->frame(), paintWorklet GlobalScope->getSecurityOrigin()); |
18 return paintWorkletGlobalScope.release(); | 22 return paintWorkletGlobalScope.release(); |
19 } | 23 } |
20 | 24 |
21 PaintWorkletGlobalScope::PaintWorkletGlobalScope(LocalFrame* frame, const KURL& url, const String& userAgent, PassRefPtr<SecurityOrigin> securityOrigin, v8::Iso late* isolate) | 25 PaintWorkletGlobalScope::PaintWorkletGlobalScope(LocalFrame* frame, const KURL& url, const String& userAgent, PassRefPtr<SecurityOrigin> securityOrigin, v8::Iso late* isolate) |
22 : WorkletGlobalScope(frame, url, userAgent, securityOrigin, isolate) | 26 : WorkletGlobalScope(frame, url, userAgent, securityOrigin, isolate) |
23 { | 27 { |
24 } | 28 } |
25 | 29 |
26 PaintWorkletGlobalScope::~PaintWorkletGlobalScope() | 30 PaintWorkletGlobalScope::~PaintWorkletGlobalScope() |
27 { | 31 { |
28 } | 32 } |
29 | 33 |
34 void PaintWorkletGlobalScope::registerPaint(const String& name, const ScriptValu e& ctorValue, ExceptionState& exceptionState) | |
35 { | |
36 if (m_paintDefinitions.contains(name)) { | |
37 exceptionState.throwDOMException(NotSupportedError, "A class with name:' " + name + "' is already registered."); | |
38 return; | |
39 } | |
40 | |
41 if (name.isEmpty()) { | |
42 exceptionState.throwTypeError("The empty string is not a valid name."); | |
43 return; | |
44 } | |
45 | |
46 v8::Isolate* isolate = scriptController()->getScriptState()->isolate(); | |
47 | |
48 v8::TryCatch block(isolate); | |
49 v8::Local<v8::Context> context = scriptController()->context(); | |
50 | |
51 ASSERT(ctorValue.v8Value()->IsFunction()); | |
52 v8::Local<v8::Function> constructor = v8::Local<v8::Function>::Cast(ctorValu e.v8Value()); | |
53 | |
54 v8::Local<v8::Value> inputPropertiesValue; | |
55 if (!constructor->Get(context, v8String(isolate, "inputProperties")).ToLocal (&inputPropertiesValue)) { | |
56 exceptionState.rethrowV8Exception(block.Exception()); | |
57 return; | |
58 } | |
59 | |
60 if (!isUndefinedOrNull(inputPropertiesValue)) { | |
61 toImplArray<Vector<String>>(inputPropertiesValue, 0, isolate, exceptionS tate); | |
62 | |
63 if (exceptionState.hadException()) | |
64 return; | |
65 | |
66 // TODO(ikilpatrick): Hook up invalidation based on these inputPropertie s. | |
67 } | |
68 | |
69 v8::Local<v8::Value> prototypeValue; | |
70 if (!constructor->Get(context, v8String(isolate, "prototype")).ToLocal(&prot otypeValue)) { | |
71 exceptionState.rethrowV8Exception(block.Exception()); | |
72 return; | |
73 } | |
74 | |
75 if (isUndefinedOrNull(prototypeValue)) { | |
76 exceptionState.throwTypeError("The 'prototype' object on the class does not exist."); | |
77 return; | |
78 } | |
79 | |
80 if (!prototypeValue->IsObject()) { | |
81 exceptionState.throwTypeError("The 'prototype' property on the class is not an object."); | |
82 return; | |
83 } | |
84 | |
85 v8::Local<v8::Object> prototype = v8::Local<v8::Object>::Cast(prototypeValue ); | |
86 | |
87 v8::Local<v8::Value> paintValue; | |
88 if (!prototype->Get(context, v8String(isolate, "paint")).ToLocal(&paintValue )) { | |
89 exceptionState.rethrowV8Exception(block.Exception()); | |
90 return; | |
91 } | |
92 | |
93 if (isUndefinedOrNull(paintValue)) { | |
94 exceptionState.throwTypeError("The 'paint' function on the prototype doe s not exist."); | |
95 return; | |
96 } | |
97 | |
98 if (!paintValue->IsFunction()) { | |
99 exceptionState.throwTypeError("The 'paint' property on the prototype is not a function."); | |
100 return; | |
101 } | |
102 | |
103 v8::Local<v8::Function> paint = v8::Local<v8::Function>::Cast(paintValue); | |
104 | |
105 RefPtrWillBeRawPtr<CSSPaintDefinition> definition = CSSPaintDefinition::crea te(scriptController()->getScriptState(), constructor, paint); | |
haraken
2016/03/31 02:01:59
Just to confirm: Once registerPaint is called, you
ikilpatrick
2016/03/31 21:59:05
Yes that's correct. Sounds good. Done.
| |
106 m_paintDefinitions.set(name, definition); | |
107 | |
108 setBindingOnPerContextData(CSSPaintBinding::create(isolate, constructor, pai nt)); | |
109 } | |
110 | |
111 CSSPaintDefinition* PaintWorkletGlobalScope::findDefinition(const String& name) | |
112 { | |
113 return m_paintDefinitions.get(name); | |
114 } | |
115 | |
116 void PaintWorkletGlobalScope::setBindingOnPerContextData(PassOwnPtr<CSSPaintBind ing> binding) | |
117 { | |
118 v8::Local<v8::Context> context = scriptController()->getScriptState()->conte xt(); | |
119 ASSERT(!context.IsEmpty()); | |
120 | |
121 V8PerContextData* perContextData = V8PerContextData::from(context); | |
122 ASSERT(perContextData); | |
123 | |
124 // The context is responsible for keeping the constructor and paint | |
125 // functions alive. | |
126 perContextData->addCSSPaintBinding(std::move(binding)); | |
127 } | |
128 | |
129 DEFINE_TRACE(PaintWorkletGlobalScope) | |
130 { | |
131 #if ENABLE(OILPAN) | |
132 visitor->trace(m_paintDefinitions); | |
133 #endif | |
134 WorkletGlobalScope::trace(visitor); | |
135 } | |
136 | |
30 } // namespace blink | 137 } // namespace blink |
OLD | NEW |