Index: third_party/WebKit/Source/modules/webaudio/WindowAudioWorklet.cpp |
diff --git a/third_party/WebKit/Source/modules/webaudio/WindowAudioWorklet.cpp b/third_party/WebKit/Source/modules/webaudio/WindowAudioWorklet.cpp |
new file mode 100644 |
index 0000000000000000000000000000000000000000..97d3836488d2e917460c8213142dd6ec6ce11f96 |
--- /dev/null |
+++ b/third_party/WebKit/Source/modules/webaudio/WindowAudioWorklet.cpp |
@@ -0,0 +1,56 @@ |
+// 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/WindowAudioWorklet.h" |
+ |
+#include "core/frame/LocalDOMWindow.h" |
+#include "core/frame/LocalFrame.h" |
+#include "modules/webaudio/AudioWorklet.h" |
+ |
+namespace blink { |
+ |
+WindowAudioWorklet::WindowAudioWorklet(LocalDOMWindow& window) |
+ : DOMWindowProperty(window.frame()) |
+{ |
+} |
+ |
+const char* WindowAudioWorklet::supplementName() |
+{ |
+ return "WindowAudioWorklet"; |
+} |
+ |
+// static |
+WindowAudioWorklet& WindowAudioWorklet::from(LocalDOMWindow& window) |
+{ |
+ WindowAudioWorklet* supplement = static_cast<WindowAudioWorklet*>(Supplement<LocalDOMWindow>::from(window, supplementName())); |
+ if (!supplement) { |
+ supplement = new WindowAudioWorklet(window); |
+ provideTo(window, supplementName(), supplement); |
+ } |
+ return *supplement; |
+} |
+ |
+// static |
+// TODO: why this returns Worklet*? This seems to be the connection to the |
+// window name space. |
+Worklet* WindowAudioWorklet::audioWorklet(ExecutionContext* executionContext, DOMWindow& window) |
+{ |
+ return from(toLocalDOMWindow(window)).audioWorklet(executionContext); |
+} |
+ |
+AudioWorklet* WindowAudioWorklet::audioWorklet(ExecutionContext* executionContext) const |
+{ |
+ if (!m_audioWorklet && frame()) |
+ m_audioWorklet = AudioWorklet::create(frame(), executionContext); |
+ return m_audioWorklet.get(); |
+} |
+ |
+DEFINE_TRACE(WindowAudioWorklet) |
+{ |
+ visitor->trace(m_audioWorklet); |
+ Supplement<LocalDOMWindow>::trace(visitor); |
+ DOMWindowProperty::trace(visitor); |
+} |
+ |
+} // namespace blink |