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Unified Diff: Source/modules/webmidi/MIDISuccessCallback.cpp

Issue 16331005: Web MIDI: implement MIDISuccessCallback and MIDIOptions (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: --similarity 90 Created 7 years, 7 months ago
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Index: Source/modules/webmidi/MIDISuccessCallback.cpp
diff --git a/Source/modules/webmidi/MIDISuccessCallback.cpp b/Source/modules/webmidi/MIDISuccessCallback.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..1a72bf9c59bffb9d6a986e44813686ada6afb649
--- /dev/null
+++ b/Source/modules/webmidi/MIDISuccessCallback.cpp
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2013 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "modules/webmidi/MIDISuccessCallback.h"
+
+#include "core/dom/ScriptExecutionContext.h"
+#include "modules/webmidi/MIDIAccess.h"
+
+namespace WebCore {
+
+namespace {
+
+class DispatchCallbackTask : public ScriptExecutionContext::Task {
+public:
+ static PassOwnPtr<DispatchCallbackTask> create(PassRefPtr<MIDISuccessCallback> callback, PassRefPtr<MIDIAccess> access)
+ {
+ return adoptPtr(new DispatchCallbackTask(callback, access));
+ }
+
+ virtual void performTask(ScriptExecutionContext*)
+ {
+ m_callback->handleEvent(m_access.get(), false);
+ }
+
+private:
+ DispatchCallbackTask(PassRefPtr<MIDISuccessCallback> callback, PassRefPtr<MIDIAccess> access)
+ : m_callback(callback)
+ , m_access(access)
+ {
+ }
+
+ RefPtr<MIDISuccessCallback> m_callback;
+ RefPtr<MIDIAccess> m_access;
+};
+
+} // namespace
+
+void MIDISuccessCallback::scheduleCallback(ScriptExecutionContext* context)
+{
+ context->postTask(DispatchCallbackTask::create(this, MIDIAccess::create(context)));
+}
+
+} // namespace WebCore

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