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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 Worklet_h | 5 #ifndef Worklet_h |
6 #define Worklet_h | 6 #define Worklet_h |
7 | 7 |
8 #include "bindings/core/v8/ScriptPromise.h" | 8 #include "bindings/core/v8/ScriptPromise.h" |
9 #include "core/CoreExport.h" | 9 #include "core/CoreExport.h" |
10 #include "core/dom/ContextLifecycleObserver.h" | 10 #include "core/dom/ContextLifecycleObserver.h" |
11 #include "platform/bindings/ScriptWrappable.h" | 11 #include "platform/bindings/ScriptWrappable.h" |
12 #include "platform/heap/Handle.h" | 12 #include "platform/heap/Handle.h" |
13 | 13 |
14 namespace blink { | 14 namespace blink { |
15 | 15 |
16 class LocalFrame; | 16 class LocalFrame; |
| 17 class ScriptPromiseResolver; |
17 class WorkletGlobalScopeProxy; | 18 class WorkletGlobalScopeProxy; |
18 | 19 |
19 // This is the base implementation of Worklet interface defined in the spec: | 20 // This is the base implementation of Worklet interface defined in the spec: |
20 // https://drafts.css-houdini.org/worklets/#worklet | 21 // https://drafts.css-houdini.org/worklets/#worklet |
21 // Although some worklets run off the main thread, this must be created and | 22 // Although some worklets run off the main thread, this must be created and |
22 // destroyed on the main thread. | 23 // destroyed on the main thread. |
23 class CORE_EXPORT Worklet : public GarbageCollectedFinalized<Worklet>, | 24 class CORE_EXPORT Worklet : public GarbageCollectedFinalized<Worklet>, |
24 public ScriptWrappable, | 25 public ScriptWrappable, |
25 public ContextLifecycleObserver { | 26 public ContextLifecycleObserver { |
26 DEFINE_WRAPPERTYPEINFO(); | 27 DEFINE_WRAPPERTYPEINFO(); |
27 USING_GARBAGE_COLLECTED_MIXIN(Worklet); | 28 USING_GARBAGE_COLLECTED_MIXIN(Worklet); |
28 WTF_MAKE_NONCOPYABLE(Worklet); | 29 WTF_MAKE_NONCOPYABLE(Worklet); |
29 | 30 |
30 public: | 31 public: |
31 virtual ~Worklet() = default; | 32 virtual ~Worklet() = default; |
32 | 33 |
33 // Worklet.idl | 34 // Worklet.idl |
34 // addModule() imports ES6 module scripts. | 35 // addModule() imports ES6 module scripts. |
35 virtual ScriptPromise addModule(ScriptState*, const String& module_url) = 0; | 36 virtual ScriptPromise addModule(ScriptState*, const String& module_url); |
36 | 37 |
37 // Returns a proxy to WorkletGlobalScope on the context thread. | 38 // Returns a proxy to WorkletGlobalScope on the context thread. |
38 virtual WorkletGlobalScopeProxy* GetWorkletGlobalScopeProxy() const = 0; | 39 virtual WorkletGlobalScopeProxy* GetWorkletGlobalScopeProxy() const = 0; |
39 | 40 |
40 // ContextLifecycleObserver | |
41 virtual void ContextDestroyed(ExecutionContext*); | |
42 | |
43 DECLARE_VIRTUAL_TRACE(); | 41 DECLARE_VIRTUAL_TRACE(); |
44 | 42 |
45 protected: | 43 protected: |
46 // The Worklet inherits the url and userAgent from the frame->document(). | 44 // The Worklet inherits the url and userAgent from the frame->document(). |
47 explicit Worklet(LocalFrame*); | 45 explicit Worklet(LocalFrame*); |
48 | 46 |
49 Member<LocalFrame> frame_; | 47 private: |
| 48 virtual void FetchAndInvokeScript(const KURL& module_url_record, |
| 49 ScriptPromiseResolver*) = 0; |
50 }; | 50 }; |
51 | 51 |
52 } // namespace blink | 52 } // namespace blink |
53 | 53 |
54 #endif // Worklet_h | 54 #endif // Worklet_h |
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