Index: third_party/WebKit/Source/modules/webaudio/AudioWorkletProcessorDefinition.cpp |
diff --git a/third_party/WebKit/Source/modules/webaudio/AudioWorkletProcessorDefinition.cpp b/third_party/WebKit/Source/modules/webaudio/AudioWorkletProcessorDefinition.cpp |
new file mode 100644 |
index 0000000000000000000000000000000000000000..ceef16e0daca99e4afc8766e2fafcffc70755975 |
--- /dev/null |
+++ b/third_party/WebKit/Source/modules/webaudio/AudioWorkletProcessorDefinition.cpp |
@@ -0,0 +1,86 @@ |
+// 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. |
+ |
+#include "modules/webaudio/AudioWorkletProcessorDefinition.h" |
+ |
+#include "bindings/core/v8/ScriptState.h" |
+#include "bindings/core/v8/V8Binding.h" |
+#include "bindings/core/v8/V8BindingMacros.h" |
+#include "bindings/core/v8/V8ObjectConstructor.h" |
+#include "core/dom/ExecutionContext.h" |
+ |
+namespace blink { |
+ |
+AudioWorkletProcessorDefinition* AudioWorkletProcessorDefinition::create(ScriptState* scriptState, v8::Local<v8::Function> constructor, v8::Local<v8::Function> process) |
+{ |
+ return new AudioWorkletProcessorDefinition(scriptState, constructor, process); |
+} |
+ |
+AudioWorkletProcessorDefinition::AudioWorkletProcessorDefinition(ScriptState* scriptState, v8::Local<v8::Function> constructor, v8::Local<v8::Function> process) |
+ : m_scriptState(scriptState) |
+ , m_constructor(scriptState->isolate(), constructor) |
+ , m_process(scriptState->isolate(), process) |
+{ |
+} |
+ |
+AudioWorkletProcessorDefinition::~AudioWorkletProcessorDefinition() |
+{ |
+} |
+ |
+void AudioWorkletProcessorDefinition::process() |
+{ |
+ // TODO: currently this happens in the main thread!!! |
+ |
+ // ScriptState::Scope scope(m_scriptState.get()); |
+ |
+ // maybeCreateProcessInstance(); |
+ |
+ // v8::Isolate* isolate = m_scriptState->isolate(); |
+ |
+ // We may have failed to create an instance class, in which case produce an |
+ // invalid image. |
+ // if (isUndefinedOrNull(instance)) |
+ // return nullptr; |
+ |
+ // TODO: do some audio stuff. |
+ // v8::Local<v8::Value> argv[] = { |
+ // toV8(someAudioStuff, m_scriptState->context()->Global(), isolate), |
+ // }; |
+ |
+ // v8::Local<v8::Function> process = m_process.newLocal(isolate); |
+ |
+ // v8::TryCatch block(isolate); |
+ // block.SetVerbose(true); |
+ |
+ // V8ScriptRunner::callFunction(process, m_scriptState->getExecutionContext(), instance, 2, argv, isolate); |
+ |
+ // The paint function may have produced an error, in which case produce an |
+ // invalid image. |
+ // if (block.HasCaught()) { |
+ // return; |
+ // } |
+ |
+ return; |
+} |
+ |
+void AudioWorkletProcessorDefinition::maybeCreateProcessInstance() |
+{ |
+ if (m_didCallConstructor) |
+ return; |
+ |
+ // DCHECK(m_instance.isEmpty()); |
+ |
+ // v8::Isolate* isolate = m_scriptState->isolate(); |
+ // v8::Local<v8::Function> constructor = m_constructor.newLocal(isolate); |
+ // DCHECK(!isUndefinedOrNull(constructor)); |
+ |
+ // v8::Local<v8::Object> processInstance; |
+ // if (V8ObjectConstructor::newInstance(isolate, constructor).ToLocal(&processInstance)) { |
+ // m_instance.set(isolate, processInstance); |
+ // } |
+ |
+ m_didCallConstructor = true; |
+} |
+ |
+} // namespace blink |