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1 // Copyright 2017 The Chromium Authors. All rights reserved. | 1 // Copyright 2017 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 ThreadedWorklet_h | 5 #ifndef ThreadedWorklet_h |
6 #define ThreadedWorklet_h | 6 #define ThreadedWorklet_h |
7 | 7 |
8 #include "core/workers/Worklet.h" | 8 #include "core/workers/Worklet.h" |
9 | 9 |
10 #include "bindings/core/v8/ScriptPromiseResolver.h" | 10 #include "bindings/core/v8/ScriptPromiseResolver.h" |
11 #include "core/CoreExport.h" | 11 #include "core/CoreExport.h" |
12 #include "core/loader/WorkletScriptLoader.h" | 12 #include "core/loader/WorkletScriptLoader.h" |
13 #include "platform/heap/Handle.h" | 13 #include "platform/heap/Handle.h" |
14 | 14 |
15 namespace blink { | 15 namespace blink { |
16 | 16 |
17 class LocalFrame; | 17 class LocalFrame; |
| 18 class WorkletGlobalScopeProxy; |
18 | 19 |
19 // A ThreadedWorklet is a worklet that runs off the main thread. | 20 // A ThreadedWorklet is a worklet that runs off the main thread. |
20 // TODO(nhiroki): This is a temporary class to keep classic script loading for | 21 // TODO(nhiroki): This is a temporary class to keep classic script loading for |
21 // threaded worklets while module loading is being implemented for main thread | 22 // threaded worklets while module loading is being implemented for main thread |
22 // worklets. This and MainThreadWorklet will be merged into the base Worklet | 23 // worklets. This and MainThreadWorklet will be merged into the base Worklet |
23 // class once threaded worklets are also ready to use module loading. | 24 // class once threaded worklets are also ready to use module loading. |
24 class CORE_EXPORT ThreadedWorklet : public Worklet, | 25 class CORE_EXPORT ThreadedWorklet : public Worklet, |
25 public WorkletScriptLoader::Client { | 26 public WorkletScriptLoader::Client { |
26 USING_GARBAGE_COLLECTED_MIXIN(ThreadedWorklet); | 27 USING_GARBAGE_COLLECTED_MIXIN(ThreadedWorklet); |
27 WTF_MAKE_NONCOPYABLE(ThreadedWorklet); | 28 WTF_MAKE_NONCOPYABLE(ThreadedWorklet); |
28 | 29 |
29 public: | 30 public: |
30 virtual ~ThreadedWorklet() = default; | 31 virtual ~ThreadedWorklet() = default; |
31 | 32 |
32 // Worklet | 33 // Worklet |
33 ScriptPromise addModule(ScriptState*, const String& url) final; | 34 ScriptPromise addModule(ScriptState*, const String& url) final; |
34 | 35 |
35 // WorkletScriptLoader::Client | 36 // WorkletScriptLoader::Client |
36 void NotifyWorkletScriptLoadingFinished(WorkletScriptLoader*, | 37 void NotifyWorkletScriptLoadingFinished(WorkletScriptLoader*, |
37 const ScriptSourceCode&) final; | 38 const ScriptSourceCode&) final; |
38 | 39 |
39 // ContextLifecycleObserver | 40 // ContextLifecycleObserver |
40 void ContextDestroyed(ExecutionContext*) final; | 41 void ContextDestroyed(ExecutionContext*) final; |
41 | 42 |
| 43 // Returns a proxy to WorkletGlobalScope on the context thread. |
| 44 virtual WorkletGlobalScopeProxy* GetWorkletGlobalScopeProxy() const = 0; |
| 45 |
42 DECLARE_VIRTUAL_TRACE(); | 46 DECLARE_VIRTUAL_TRACE(); |
43 | 47 |
44 protected: | 48 protected: |
45 explicit ThreadedWorklet(LocalFrame*); | 49 explicit ThreadedWorklet(LocalFrame*); |
46 | 50 |
47 private: | 51 private: |
48 HeapHashMap<Member<WorkletScriptLoader>, Member<ScriptPromiseResolver>> | 52 HeapHashMap<Member<WorkletScriptLoader>, Member<ScriptPromiseResolver>> |
49 loader_to_resolver_map_; | 53 loader_to_resolver_map_; |
50 }; | 54 }; |
51 | 55 |
52 } // namespace blink | 56 } // namespace blink |
53 | 57 |
54 #endif // ThreadedWorklet_h | 58 #endif // ThreadedWorklet_h |
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