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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 #ifndef PaintWorkletGlobalScope_h | 5 #ifndef PaintWorkletGlobalScope_h |
| 6 #define PaintWorkletGlobalScope_h | 6 #define PaintWorkletGlobalScope_h |
| 7 | 7 |
| 8 #include "bindings/core/v8/ScriptValue.h" | 8 #include "bindings/core/v8/ScriptValue.h" |
| 9 #include "core/dom/ExecutionContext.h" | 9 #include "core/dom/ExecutionContext.h" |
| 10 #include "core/workers/MainThreadWorkletGlobalScope.h" | 10 #include "core/workers/MainThreadWorkletGlobalScope.h" |
| 11 #include "modules/ModulesExport.h" | 11 #include "modules/ModulesExport.h" |
| 12 #include "platform/graphics/ImageBuffer.h" | 12 #include "platform/graphics/ImageBuffer.h" |
| 13 | 13 |
| 14 namespace blink { | 14 namespace blink { |
| 15 | 15 |
| 16 class CSSPaintDefinition; | 16 class CSSPaintDefinition; |
| 17 class CSSPaintImageGeneratorImpl; | 17 class CSSPaintImageGeneratorImpl; |
| 18 class ExceptionState; | 18 class ExceptionState; |
| 19 | 19 |
| 20 class MODULES_EXPORT PaintWorkletGlobalScope final | 20 class MODULES_EXPORT PaintWorkletGlobalScope final |
| 21 : public MainThreadWorkletGlobalScope { | 21 : public MainThreadWorkletGlobalScope { |
| 22 DEFINE_WRAPPERTYPEINFO(); | 22 DEFINE_WRAPPERTYPEINFO(); |
| 23 USING_GARBAGE_COLLECTED_MIXIN(PaintWorkletGlobalScope); | 23 USING_GARBAGE_COLLECTED_MIXIN(PaintWorkletGlobalScope); |
| 24 | 24 |
| 25 public: | 25 public: |
| 26 static PaintWorkletGlobalScope* Create(LocalFrame*, | 26 static PaintWorkletGlobalScope* Create(LocalFrame*, |
| 27 const KURL&, | 27 const KURL&, |
| 28 const String& user_agent, | 28 const String& user_agent, |
| 29 PassRefPtr<SecurityOrigin>, | 29 PassRefPtr<SecurityOrigin>, |
| 30 v8::Isolate*); | 30 v8::Isolate*, |
| 31 WorkletObjectProxy*); |
| 31 ~PaintWorkletGlobalScope() override; | 32 ~PaintWorkletGlobalScope() override; |
| 32 void Dispose() final; | 33 void Dispose() final; |
| 33 | 34 |
| 34 bool IsPaintWorkletGlobalScope() const final { return true; } | 35 bool IsPaintWorkletGlobalScope() const final { return true; } |
| 35 void registerPaint(const String& name, | 36 void registerPaint(const String& name, |
| 36 const ScriptValue& ctor, | 37 const ScriptValue& ctor, |
| 37 ExceptionState&); | 38 ExceptionState&); |
| 38 | 39 |
| 39 CSSPaintDefinition* FindDefinition(const String& name); | 40 CSSPaintDefinition* FindDefinition(const String& name); |
| 40 void AddPendingGenerator(const String& name, CSSPaintImageGeneratorImpl*); | 41 void AddPendingGenerator(const String& name, CSSPaintImageGeneratorImpl*); |
| 41 | 42 |
| 42 DECLARE_VIRTUAL_TRACE(); | 43 DECLARE_VIRTUAL_TRACE(); |
| 43 | 44 |
| 44 private: | 45 private: |
| 45 PaintWorkletGlobalScope(LocalFrame*, | 46 PaintWorkletGlobalScope(LocalFrame*, |
| 46 const KURL&, | 47 const KURL&, |
| 47 const String& user_agent, | 48 const String& user_agent, |
| 48 PassRefPtr<SecurityOrigin>, | 49 PassRefPtr<SecurityOrigin>, |
| 49 v8::Isolate*); | 50 v8::Isolate*, |
| 51 WorkletObjectProxy*); |
| 50 | 52 |
| 51 typedef HeapHashMap<String, Member<CSSPaintDefinition>> DefinitionMap; | 53 typedef HeapHashMap<String, Member<CSSPaintDefinition>> DefinitionMap; |
| 52 DefinitionMap paint_definitions_; | 54 DefinitionMap paint_definitions_; |
| 53 | 55 |
| 54 // The map of CSSPaintImageGeneratorImpl which are waiting for a | 56 // The map of CSSPaintImageGeneratorImpl which are waiting for a |
| 55 // CSSPaintDefinition to be registered. The global scope is expected to | 57 // CSSPaintDefinition to be registered. The global scope is expected to |
| 56 // outlive the generators hence are held onto with a WeakMember. | 58 // outlive the generators hence are held onto with a WeakMember. |
| 57 typedef HeapHashSet<WeakMember<CSSPaintImageGeneratorImpl>> GeneratorHashSet; | 59 typedef HeapHashSet<WeakMember<CSSPaintImageGeneratorImpl>> GeneratorHashSet; |
| 58 typedef HeapHashMap<String, Member<GeneratorHashSet>> PendingGeneratorMap; | 60 typedef HeapHashMap<String, Member<GeneratorHashSet>> PendingGeneratorMap; |
| 59 PendingGeneratorMap pending_generators_; | 61 PendingGeneratorMap pending_generators_; |
| 60 }; | 62 }; |
| 61 | 63 |
| 62 DEFINE_TYPE_CASTS(PaintWorkletGlobalScope, | 64 DEFINE_TYPE_CASTS(PaintWorkletGlobalScope, |
| 63 ExecutionContext, | 65 ExecutionContext, |
| 64 context, | 66 context, |
| 65 context->IsPaintWorkletGlobalScope(), | 67 context->IsPaintWorkletGlobalScope(), |
| 66 context.IsPaintWorkletGlobalScope()); | 68 context.IsPaintWorkletGlobalScope()); |
| 67 | 69 |
| 68 } // namespace blink | 70 } // namespace blink |
| 69 | 71 |
| 70 #endif // PaintWorkletGlobalScope_h | 72 #endif // PaintWorkletGlobalScope_h |
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