OLD | NEW |
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 AudioWorkletThread_h | 5 #ifndef AudioWorkletThread_h |
6 #define AudioWorkletThread_h | 6 #define AudioWorkletThread_h |
7 | 7 |
8 #include "core/workers/WorkerLoaderProxy.h" | |
9 #include "core/workers/WorkerThread.h" | 8 #include "core/workers/WorkerThread.h" |
10 #include "core/workers/WorkletThreadHolder.h" | 9 #include "core/workers/WorkletThreadHolder.h" |
11 #include "modules/ModulesExport.h" | 10 #include "modules/ModulesExport.h" |
12 #include <memory> | 11 #include <memory> |
13 | 12 |
14 namespace blink { | 13 namespace blink { |
15 | 14 |
16 class WorkerReportingProxy; | 15 class WorkerReportingProxy; |
17 | 16 |
18 // AudioWorkletThread is a per-frame singleton object that represents the | 17 // AudioWorkletThread is a per-frame singleton object that represents the |
19 // backing thread for the processing of AudioWorkletNode/AudioWorkletProcessor. | 18 // backing thread for the processing of AudioWorkletNode/AudioWorkletProcessor. |
20 // It is supposed to run an instance of V8 isolate. | 19 // It is supposed to run an instance of V8 isolate. |
21 | 20 |
22 class MODULES_EXPORT AudioWorkletThread final : public WorkerThread { | 21 class MODULES_EXPORT AudioWorkletThread final : public WorkerThread { |
23 public: | 22 public: |
24 static std::unique_ptr<AudioWorkletThread> Create( | 23 static std::unique_ptr<AudioWorkletThread> Create(ThreadableLoadingContext*, |
25 PassRefPtr<WorkerLoaderProxy>, | 24 WorkerReportingProxy&); |
26 WorkerReportingProxy&); | |
27 ~AudioWorkletThread() override; | 25 ~AudioWorkletThread() override; |
28 | 26 |
29 WorkerBackingThread& GetWorkerBackingThread() override; | 27 WorkerBackingThread& GetWorkerBackingThread() override; |
30 | 28 |
31 // The backing thread is cleared by clearSharedBackingThread(). | 29 // The backing thread is cleared by clearSharedBackingThread(). |
32 void ClearWorkerBackingThread() override {} | 30 void ClearWorkerBackingThread() override {} |
33 | 31 |
34 // This may block the main thread. | 32 // This may block the main thread. |
35 static void CollectAllGarbage(); | 33 static void CollectAllGarbage(); |
36 | 34 |
37 static void EnsureSharedBackingThread(); | 35 static void EnsureSharedBackingThread(); |
38 static void ClearSharedBackingThread(); | 36 static void ClearSharedBackingThread(); |
39 | 37 |
40 static void CreateSharedBackingThreadForTest(); | 38 static void CreateSharedBackingThreadForTest(); |
41 | 39 |
42 protected: | 40 protected: |
43 WorkerOrWorkletGlobalScope* CreateWorkerGlobalScope( | 41 WorkerOrWorkletGlobalScope* CreateWorkerGlobalScope( |
44 std::unique_ptr<WorkerThreadStartupData>) final; | 42 std::unique_ptr<WorkerThreadStartupData>) final; |
45 | 43 |
46 bool IsOwningBackingThread() const override { return false; } | 44 bool IsOwningBackingThread() const override { return false; } |
47 | 45 |
48 private: | 46 private: |
49 AudioWorkletThread(PassRefPtr<WorkerLoaderProxy>, WorkerReportingProxy&); | 47 AudioWorkletThread(ThreadableLoadingContext*, WorkerReportingProxy&); |
50 }; | 48 }; |
51 | 49 |
52 } // namespace blink | 50 } // namespace blink |
53 | 51 |
54 #endif // AudioWorkletThread_h | 52 #endif // AudioWorkletThread_h |
OLD | NEW |