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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 "modules/csspaint/PaintWorkletGlobalScope.h" | 5 #include "modules/csspaint/PaintWorkletGlobalScope.h" |
6 | 6 |
7 #include "bindings/core/v8/ScopedPersistent.h" | |
7 #include "bindings/core/v8/WorkerOrWorkletScriptController.h" | 8 #include "bindings/core/v8/WorkerOrWorkletScriptController.h" |
9 #include "core/dom/ExceptionCode.h" | |
8 #include "core/inspector/MainThreadDebugger.h" | 10 #include "core/inspector/MainThreadDebugger.h" |
11 #include "modules/csspaint/CSSPaintDefinition.h" | |
9 | 12 |
10 namespace blink { | 13 namespace blink { |
11 | 14 |
12 // static | 15 // static |
13 PassRefPtrWillBeRawPtr<PaintWorkletGlobalScope> PaintWorkletGlobalScope::create( LocalFrame* frame, const KURL& url, const String& userAgent, PassRefPtr<Security Origin> securityOrigin, v8::Isolate* isolate) | 16 PassRefPtrWillBeRawPtr<PaintWorkletGlobalScope> PaintWorkletGlobalScope::create( LocalFrame* frame, const KURL& url, const String& userAgent, PassRefPtr<Security Origin> securityOrigin, v8::Isolate* isolate) |
14 { | 17 { |
15 RefPtrWillBeRawPtr<PaintWorkletGlobalScope> paintWorkletGlobalScope = adoptR efWillBeNoop(new PaintWorkletGlobalScope(frame, url, userAgent, securityOrigin, isolate)); | 18 RefPtrWillBeRawPtr<PaintWorkletGlobalScope> paintWorkletGlobalScope = adoptR efWillBeNoop(new PaintWorkletGlobalScope(frame, url, userAgent, securityOrigin, isolate)); |
16 paintWorkletGlobalScope->scriptController()->initializeContextIfNeeded(); | 19 paintWorkletGlobalScope->scriptController()->initializeContextIfNeeded(); |
17 MainThreadDebugger::instance()->contextCreated(paintWorkletGlobalScope->scri ptController()->getScriptState(), paintWorkletGlobalScope->frame(), paintWorklet GlobalScope->getSecurityOrigin()); | 20 MainThreadDebugger::instance()->contextCreated(paintWorkletGlobalScope->scri ptController()->getScriptState(), paintWorkletGlobalScope->frame(), paintWorklet GlobalScope->getSecurityOrigin()); |
18 return paintWorkletGlobalScope.release(); | 21 return paintWorkletGlobalScope.release(); |
19 } | 22 } |
20 | 23 |
21 PaintWorkletGlobalScope::PaintWorkletGlobalScope(LocalFrame* frame, const KURL& url, const String& userAgent, PassRefPtr<SecurityOrigin> securityOrigin, v8::Iso late* isolate) | 24 PaintWorkletGlobalScope::PaintWorkletGlobalScope(LocalFrame* frame, const KURL& url, const String& userAgent, PassRefPtr<SecurityOrigin> securityOrigin, v8::Iso late* isolate) |
22 : WorkletGlobalScope(frame, url, userAgent, securityOrigin, isolate) | 25 : WorkletGlobalScope(frame, url, userAgent, securityOrigin, isolate) |
23 { | 26 { |
24 } | 27 } |
25 | 28 |
26 PaintWorkletGlobalScope::~PaintWorkletGlobalScope() | 29 PaintWorkletGlobalScope::~PaintWorkletGlobalScope() |
27 { | 30 { |
28 } | 31 } |
29 | 32 |
33 void PaintWorkletGlobalScope::dispose() | |
34 { | |
35 // Explicitly clear the paint defininitions to break a reference cycle | |
36 // between them and this global scope. | |
37 m_paintDefinitions.clear(); | |
38 | |
39 WorkletGlobalScope::dispose(); | |
40 } | |
41 | |
42 void PaintWorkletGlobalScope::registerPaint(const String& name, const ScriptValu e& ctorValue, ExceptionState& exceptionState) | |
43 { | |
44 if (m_paintDefinitions.contains(name)) { | |
45 exceptionState.throwDOMException(NotSupportedError, "A class with name:' " + name + "' is already registered."); | |
46 return; | |
47 } | |
48 | |
49 if (name.isEmpty()) { | |
50 exceptionState.throwTypeError("The empty string is not a valid name."); | |
51 return; | |
52 } | |
53 | |
54 v8::Isolate* isolate = scriptController()->getScriptState()->isolate(); | |
55 | |
56 v8::TryCatch block(isolate); | |
haraken
2016/04/01 00:16:06
I don't think you need this TryCatch block.
ikilpatrick
2016/04/01 03:08:43
Done.
| |
57 v8::Local<v8::Context> context = scriptController()->context(); | |
58 | |
59 ASSERT(ctorValue.v8Value()->IsFunction()); | |
60 v8::Local<v8::Function> constructor = v8::Local<v8::Function>::Cast(ctorValu e.v8Value()); | |
61 | |
62 v8::Local<v8::Value> inputPropertiesValue; | |
63 if (!constructor->Get(context, v8String(isolate, "inputProperties")).ToLocal (&inputPropertiesValue)) { | |
haraken
2016/04/01 00:16:06
Would you use v8Call macros in V8BindingMacros.h?
ikilpatrick
2016/04/01 03:08:43
Get can also fail if the developer does something
| |
64 exceptionState.rethrowV8Exception(block.Exception()); | |
65 return; | |
66 } | |
67 | |
68 if (!isUndefinedOrNull(inputPropertiesValue)) { | |
69 toImplArray<Vector<String>>(inputPropertiesValue, 0, isolate, exceptionS tate); | |
70 | |
71 if (exceptionState.hadException()) | |
72 return; | |
73 | |
74 // TODO(ikilpatrick): Hook up invalidation based on these inputPropertie s. | |
75 } | |
76 | |
77 v8::Local<v8::Value> prototypeValue; | |
78 if (!constructor->Get(context, v8String(isolate, "prototype")).ToLocal(&prot otypeValue)) { | |
79 exceptionState.rethrowV8Exception(block.Exception()); | |
80 return; | |
81 } | |
82 | |
83 if (isUndefinedOrNull(prototypeValue)) { | |
84 exceptionState.throwTypeError("The 'prototype' object on the class does not exist."); | |
85 return; | |
86 } | |
87 | |
88 if (!prototypeValue->IsObject()) { | |
89 exceptionState.throwTypeError("The 'prototype' property on the class is not an object."); | |
90 return; | |
91 } | |
92 | |
93 v8::Local<v8::Object> prototype = v8::Local<v8::Object>::Cast(prototypeValue ); | |
94 | |
95 v8::Local<v8::Value> paintValue; | |
96 if (!prototype->Get(context, v8String(isolate, "paint")).ToLocal(&paintValue )) { | |
97 exceptionState.rethrowV8Exception(block.Exception()); | |
98 return; | |
99 } | |
100 | |
101 if (isUndefinedOrNull(paintValue)) { | |
102 exceptionState.throwTypeError("The 'paint' function on the prototype doe s not exist."); | |
103 return; | |
104 } | |
105 | |
106 if (!paintValue->IsFunction()) { | |
107 exceptionState.throwTypeError("The 'paint' property on the prototype is not a function."); | |
108 return; | |
109 } | |
110 | |
111 v8::Local<v8::Function> paint = v8::Local<v8::Function>::Cast(paintValue); | |
112 | |
113 RefPtrWillBeRawPtr<CSSPaintDefinition> definition = CSSPaintDefinition::crea te(scriptController()->getScriptState(), constructor, paint); | |
114 m_paintDefinitions.set(name, definition); | |
115 } | |
116 | |
117 CSSPaintDefinition* PaintWorkletGlobalScope::findDefinition(const String& name) | |
118 { | |
119 return m_paintDefinitions.get(name); | |
120 } | |
121 | |
122 DEFINE_TRACE(PaintWorkletGlobalScope) | |
123 { | |
124 #if ENABLE(OILPAN) | |
125 visitor->trace(m_paintDefinitions); | |
126 #endif | |
127 WorkletGlobalScope::trace(visitor); | |
128 } | |
129 | |
30 } // namespace blink | 130 } // namespace blink |
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