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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" | |
13 #include "platform/heap/Handle.h" | 12 #include "platform/heap/Handle.h" |
14 | 13 |
15 namespace blink { | 14 namespace blink { |
16 | 15 |
17 class LocalFrame; | 16 class LocalFrame; |
18 class WorkletGlobalScopeProxy; | 17 class WorkletGlobalScopeProxy; |
19 | 18 |
20 // A ThreadedWorklet is a worklet that runs off the main thread. | 19 // A ThreadedWorklet is a worklet that runs off the main thread. |
21 // TODO(nhiroki): This is a temporary class to keep classic script loading for | 20 // TODO(nhiroki): This is a temporary class to keep classic script loading for |
22 // threaded worklets while module loading is being implemented for main thread | 21 // threaded worklets while module loading is being implemented for main thread |
23 // worklets. This and MainThreadWorklet will be merged into the base Worklet | 22 // worklets. This and MainThreadWorklet will be merged into the base Worklet |
24 // class once threaded worklets are also ready to use module loading. | 23 // class once threaded worklets are also ready to use module loading. |
25 class CORE_EXPORT ThreadedWorklet : public Worklet, | 24 class CORE_EXPORT ThreadedWorklet : public Worklet { |
26 public WorkletScriptLoader::Client { | |
27 USING_GARBAGE_COLLECTED_MIXIN(ThreadedWorklet); | 25 USING_GARBAGE_COLLECTED_MIXIN(ThreadedWorklet); |
28 WTF_MAKE_NONCOPYABLE(ThreadedWorklet); | 26 WTF_MAKE_NONCOPYABLE(ThreadedWorklet); |
29 | 27 |
30 public: | 28 public: |
31 virtual ~ThreadedWorklet() = default; | 29 virtual ~ThreadedWorklet() = default; |
32 | 30 |
33 // WorkletScriptLoader::Client | |
34 void NotifyWorkletScriptLoadingFinished(WorkletScriptLoader*, | |
35 const ScriptSourceCode&) final; | |
36 | |
37 // ContextLifecycleObserver | 31 // ContextLifecycleObserver |
38 void ContextDestroyed(ExecutionContext*) final; | 32 void ContextDestroyed(ExecutionContext*) final; |
39 | 33 |
40 // Returns a proxy to WorkletGlobalScope on the context thread. | 34 // Returns a proxy to WorkletGlobalScope on the context thread. |
41 virtual WorkletGlobalScopeProxy* GetWorkletGlobalScopeProxy() const = 0; | 35 virtual WorkletGlobalScopeProxy* GetWorkletGlobalScopeProxy() const = 0; |
42 | 36 |
43 DECLARE_VIRTUAL_TRACE(); | 37 DECLARE_VIRTUAL_TRACE(); |
44 | 38 |
45 protected: | 39 protected: |
46 explicit ThreadedWorklet(LocalFrame*); | 40 explicit ThreadedWorklet(LocalFrame*); |
47 | 41 |
48 private: | 42 private: |
49 // Worklet | 43 // Worklet |
50 void FetchAndInvokeScript(const KURL& module_url_record, | 44 void FetchAndInvokeScript(const KURL& module_url_record, |
51 const WorkletOptions&, | 45 const WorkletOptions&, |
52 ScriptPromiseResolver*) override; | 46 ScriptPromiseResolver*) override; |
53 | 47 |
54 // Called when addModule() is called for the first time. | 48 // Called when addModule() is called for the first time. |
55 virtual void Initialize() = 0; | 49 virtual void Initialize() = 0; |
56 virtual bool IsInitialized() const = 0; | 50 virtual bool IsInitialized() const = 0; |
57 | |
58 HeapHashMap<Member<WorkletScriptLoader>, Member<ScriptPromiseResolver>> | |
59 loader_to_resolver_map_; | |
60 }; | 51 }; |
61 | 52 |
62 } // namespace blink | 53 } // namespace blink |
63 | 54 |
64 #endif // ThreadedWorklet_h | 55 #endif // ThreadedWorklet_h |
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