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-rw-r--r--dom/midi/MIDILog.h26
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diff --git a/dom/midi/MIDILog.h b/dom/midi/MIDILog.h
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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_MIDILog_h
+#define mozilla_dom_MIDILog_h
+
+#include <mozilla/Logging.h>
+#include <nsStringFwd.h>
+
+namespace mozilla::dom {
+class MIDIMessage;
+enum class MIDIPortType : uint8_t;
+} // namespace mozilla::dom
+
+extern mozilla::LazyLogModule gWebMIDILog;
+
+#define LOG(...) MOZ_LOG(gWebMIDILog, mozilla::LogLevel::Debug, (__VA_ARGS__));
+#define LOGV(x, ...) \
+ MOZ_LOG(gWebMIDILog, mozilla::LogLevel::Verbose, (__VA_ARGS__));
+
+void LogMIDIMessage(const mozilla::dom::MIDIMessage& aMessage,
+ const nsAString& aPortId,
+ mozilla::dom::MIDIPortType aDirection);
+
+#endif // mozilla_dom_MIDILog_h