Index: third_party/WebKit/Source/modules/webaudio/AudioWorkletProcessorDefinition.h |
diff --git a/third_party/WebKit/Source/modules/webaudio/AudioWorkletProcessorDefinition.h b/third_party/WebKit/Source/modules/webaudio/AudioWorkletProcessorDefinition.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..fe6081a6172deca7de4efbfa03ff846c09a929ff |
--- /dev/null |
+++ b/third_party/WebKit/Source/modules/webaudio/AudioWorkletProcessorDefinition.h |
@@ -0,0 +1,48 @@ |
+// Copyright 2016 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef AudioWorkletProcessorDefinition_h |
+#define AudioWorkletProcessorDefinition_h |
+ |
+#include "bindings/core/v8/ScopedPersistent.h" |
+#include "platform/heap/Handle.h" |
+#include <v8.h> |
+ |
+namespace blink { |
+ |
+class ScriptState; |
+ |
+class AudioWorkletProcessorDefinition final : public GarbageCollectedFinalized<AudioWorkletProcessorDefinition> { |
+public: |
+ static AudioWorkletProcessorDefinition* create(ScriptState*, v8::Local<v8::Function> constructor, v8::Local<v8::Function> process); |
+ virtual ~AudioWorkletProcessorDefinition(); |
+ |
+ // TODO: connect this to WebAudio render callback. |
+ void process(); |
+ |
+ ScriptState* getScriptState() const { return m_scriptState.get(); } |
+ |
+ v8::Local<v8::Function> processFunctionForTesting(v8::Isolate* isolate) { return m_process.newLocal(isolate); } |
+ |
+ DEFINE_INLINE_TRACE() {}; |
+ |
+private: |
+ AudioWorkletProcessorDefinition(ScriptState*, v8::Local<v8::Function> constructor, v8::Local<v8::Function> process); |
+ |
+ void maybeCreateProcessInstance(); |
+ |
+ RefPtr<ScriptState> m_scriptState; |
+ |
+ // This object keeps the class instance object, constructor function and |
+ // process function alive. This object needs to be destroyed to break a |
+ // reference cycle between it and the AudioWorkletGlobalScope. |
+ ScopedPersistent<v8::Function> m_constructor; |
+ ScopedPersistent<v8::Function> m_process; |
+ |
+ bool m_didCallConstructor; |
+}; |
+ |
+} // namespace blink |
+ |
+#endif // AudioWorkletProcessorDefinition_h |