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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" |
| 8 #include "bindings/core/v8/V8BindingMacros.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 RawPtr<PaintWorkletGlobalScope> PaintWorkletGlobalScope::create(LocalFrame* fram
e, const KURL& url, const String& userAgent, PassRefPtr<SecurityOrigin> security
Origin, v8::Isolate* isolate) | 17 RawPtr<PaintWorkletGlobalScope> PaintWorkletGlobalScope::create(LocalFrame* fram
e, const KURL& url, const String& userAgent, PassRefPtr<SecurityOrigin> security
Origin, v8::Isolate* isolate) |
14 { | 18 { |
15 RawPtr<PaintWorkletGlobalScope> paintWorkletGlobalScope = new PaintWorkletGl
obalScope(frame, url, userAgent, securityOrigin, isolate); | 19 RawPtr<PaintWorkletGlobalScope> paintWorkletGlobalScope = new PaintWorkletGl
obalScope(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::dispose() |
| 35 { |
| 36 // Explicitly clear the paint defininitions to break a reference cycle |
| 37 // between them and this global scope. |
| 38 m_paintDefinitions.clear(); |
| 39 |
| 40 WorkletGlobalScope::dispose(); |
| 41 } |
| 42 |
| 43 void PaintWorkletGlobalScope::registerPaint(const String& name, const ScriptValu
e& ctorValue, ExceptionState& exceptionState) |
| 44 { |
| 45 if (m_paintDefinitions.contains(name)) { |
| 46 exceptionState.throwDOMException(NotSupportedError, "A class with name:'
" + name + "' is already registered."); |
| 47 return; |
| 48 } |
| 49 |
| 50 if (name.isEmpty()) { |
| 51 exceptionState.throwTypeError("The empty string is not a valid name."); |
| 52 return; |
| 53 } |
| 54 |
| 55 v8::Isolate* isolate = scriptController()->getScriptState()->isolate(); |
| 56 v8::Local<v8::Context> context = scriptController()->context(); |
| 57 |
| 58 ASSERT(ctorValue.v8Value()->IsFunction()); |
| 59 v8::Local<v8::Function> constructor = v8::Local<v8::Function>::Cast(ctorValu
e.v8Value()); |
| 60 |
| 61 v8::Local<v8::Value> inputPropertiesValue; |
| 62 if (!v8Call(constructor->Get(context, v8String(isolate, "inputProperties")),
inputPropertiesValue)) |
| 63 return; |
| 64 |
| 65 if (!isUndefinedOrNull(inputPropertiesValue)) { |
| 66 toImplArray<Vector<String>>(inputPropertiesValue, 0, isolate, exceptionS
tate); |
| 67 |
| 68 if (exceptionState.hadException()) |
| 69 return; |
| 70 |
| 71 // TODO(ikilpatrick): Hook up invalidation based on these inputPropertie
s. |
| 72 } |
| 73 |
| 74 v8::Local<v8::Value> prototypeValue; |
| 75 if (!v8Call(constructor->Get(context, v8String(isolate, "prototype")), proto
typeValue)) |
| 76 return; |
| 77 |
| 78 if (isUndefinedOrNull(prototypeValue)) { |
| 79 exceptionState.throwTypeError("The 'prototype' object on the class does
not exist."); |
| 80 return; |
| 81 } |
| 82 |
| 83 if (!prototypeValue->IsObject()) { |
| 84 exceptionState.throwTypeError("The 'prototype' property on the class is
not an object."); |
| 85 return; |
| 86 } |
| 87 |
| 88 v8::Local<v8::Object> prototype = v8::Local<v8::Object>::Cast(prototypeValue
); |
| 89 |
| 90 v8::Local<v8::Value> paintValue; |
| 91 if (!v8Call(prototype->Get(context, v8String(isolate, "paint")), paintValue)
) |
| 92 return; |
| 93 |
| 94 if (isUndefinedOrNull(paintValue)) { |
| 95 exceptionState.throwTypeError("The 'paint' function on the prototype doe
s not exist."); |
| 96 return; |
| 97 } |
| 98 |
| 99 if (!paintValue->IsFunction()) { |
| 100 exceptionState.throwTypeError("The 'paint' property on the prototype is
not a function."); |
| 101 return; |
| 102 } |
| 103 |
| 104 v8::Local<v8::Function> paint = v8::Local<v8::Function>::Cast(paintValue); |
| 105 |
| 106 RawPtr<CSSPaintDefinition> definition = CSSPaintDefinition::create(scriptCon
troller()->getScriptState(), constructor, paint); |
| 107 m_paintDefinitions.set(name, definition); |
| 108 } |
| 109 |
| 110 CSSPaintDefinition* PaintWorkletGlobalScope::findDefinition(const String& name) |
| 111 { |
| 112 return m_paintDefinitions.get(name); |
| 113 } |
| 114 |
| 115 DEFINE_TRACE(PaintWorkletGlobalScope) |
| 116 { |
| 117 visitor->trace(m_paintDefinitions); |
| 118 WorkletGlobalScope::trace(visitor); |
| 119 } |
| 120 |
30 } // namespace blink | 121 } // namespace blink |
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