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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 // WorkletScriptLoader::Client | 33 // WorkletScriptLoader::Client |
33 void NotifyWorkletScriptLoadingFinished(WorkletScriptLoader*, | 34 void NotifyWorkletScriptLoadingFinished(WorkletScriptLoader*, |
34 const ScriptSourceCode&) final; | 35 const ScriptSourceCode&) final; |
35 | 36 |
36 // ContextLifecycleObserver | 37 // ContextLifecycleObserver |
37 void ContextDestroyed(ExecutionContext*) final; | 38 void ContextDestroyed(ExecutionContext*) final; |
38 | 39 |
| 40 // Returns a proxy to WorkletGlobalScope on the context thread. |
| 41 virtual WorkletGlobalScopeProxy* GetWorkletGlobalScopeProxy() const = 0; |
| 42 |
39 DECLARE_VIRTUAL_TRACE(); | 43 DECLARE_VIRTUAL_TRACE(); |
40 | 44 |
41 protected: | 45 protected: |
42 explicit ThreadedWorklet(LocalFrame*); | 46 explicit ThreadedWorklet(LocalFrame*); |
43 | 47 |
44 private: | 48 private: |
45 // Worklet | 49 // Worklet |
46 void FetchAndInvokeScript(const KURL& module_url_record, | 50 void FetchAndInvokeScript(const KURL& module_url_record, |
47 const WorkletOptions&, | 51 const WorkletOptions&, |
48 ScriptPromiseResolver*) override; | 52 ScriptPromiseResolver*) override; |
49 | 53 |
50 // Called when addModule() is called for the first time. | 54 // Called when addModule() is called for the first time. |
51 virtual void Initialize() = 0; | 55 virtual void Initialize() = 0; |
52 virtual bool IsInitialized() const = 0; | 56 virtual bool IsInitialized() const = 0; |
53 | 57 |
54 Member<LocalFrame> frame_; | 58 Member<LocalFrame> frame_; |
55 | 59 |
56 HeapHashMap<Member<WorkletScriptLoader>, Member<ScriptPromiseResolver>> | 60 HeapHashMap<Member<WorkletScriptLoader>, Member<ScriptPromiseResolver>> |
57 loader_to_resolver_map_; | 61 loader_to_resolver_map_; |
58 }; | 62 }; |
59 | 63 |
60 } // namespace blink | 64 } // namespace blink |
61 | 65 |
62 #endif // ThreadedWorklet_h | 66 #endif // ThreadedWorklet_h |
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