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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef WorkletScriptLoader_h | |
6 #define WorkletScriptLoader_h | |
7 | |
8 #include "bindings/core/v8/ScriptPromiseResolver.h" | |
9 #include "core/fetch/ResourceClient.h" | |
10 #include "core/fetch/ResourceOwner.h" | |
11 #include "core/fetch/ScriptResource.h" | |
12 | |
13 namespace blink { | |
14 | |
15 class Worklet; | |
16 | |
17 // Class that is responsible for processing {@code resource} that is associated
with worklet's import promise. | |
18 class WorkletScriptLoader final : public GarbageCollectedFinalized<WorkletScript
Loader>, public ResourceOwner<ScriptResource, ScriptResourceClient> { | |
19 USING_GARBAGE_COLLECTED_MIXIN(WorkletScriptLoader); | |
20 WTF_MAKE_NONCOPYABLE(WorkletScriptLoader); | |
21 public: | |
22 static WorkletScriptLoader* create(ScriptPromiseResolver* scriptPromiseResol
ver, Worklet* worklet, ScriptResource* resource) | |
23 { | |
24 return new WorkletScriptLoader(scriptPromiseResolver, worklet, resource)
; | |
25 } | |
26 | |
27 ~WorkletScriptLoader() override = default; | |
28 | |
29 // Cancels loading of {@code m_resource}. | |
30 // | |
31 // Typically it gets called when WorkletScriptLoader's host is about to be d
isposed off. | |
32 void cancel(); | |
33 | |
34 DECLARE_TRACE(); | |
35 | |
36 private: | |
37 // Default constructor. | |
38 // | |
39 // @param resolver Promise resolver that is used to reject/resolve the promi
se on ScriptResourceClient::notifyFinished event. | |
40 // @param host Host that needs be notified when the resource is downloaded. | |
41 // @param resource that needs to be downloaded. | |
42 WorkletScriptLoader(ScriptPromiseResolver*, Worklet* host, ScriptResource*); | |
43 | |
44 // ResourceClient | |
45 void notifyFinished(Resource*) final; | |
46 String debugName() const final { return "WorkletLoader"; } | |
47 | |
48 Member<ScriptPromiseResolver> m_resolver; | |
49 Member<Worklet> m_host; | |
50 }; | |
51 | |
52 } // namespace blink | |
53 | |
54 #endif // WorkletScriptLoader_h | |
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