Make MidiDeviceInfo accessible to native code
Add a native class that supports serialization via Parcel.
Bug: 25945784
Test: using a PoC app
Change-Id: I10ff8dec38e5584a8e5a4c96b1f6978f708c305e
diff --git a/include/media/MidiDeviceInfo.h b/include/media/MidiDeviceInfo.h
new file mode 100644
index 0000000..5b4a241
--- /dev/null
+++ b/include/media/MidiDeviceInfo.h
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_MEDIA_MIDI_DEVICE_INFO_H
+#define ANDROID_MEDIA_MIDI_DEVICE_INFO_H
+
+#include <binder/Parcelable.h>
+#include <binder/PersistableBundle.h>
+#include <utils/String16.h>
+#include <utils/Vector.h>
+
+namespace android {
+namespace media {
+namespace midi {
+
+class MidiDeviceInfo : public Parcelable {
+public:
+ MidiDeviceInfo() = default;
+ virtual ~MidiDeviceInfo() = default;
+ MidiDeviceInfo(const MidiDeviceInfo& midiDeviceInfo) = default;
+
+ status_t writeToParcel(Parcel* parcel) const override;
+ status_t readFromParcel(const Parcel* parcel) override;
+
+ int getType() const { return mType; }
+ int getUid() const { return mId; }
+ bool isPrivate() const { return mIsPrivate; }
+ const Vector<String16>& getInputPortNames() const { return mInputPortNames; }
+ const Vector<String16>& getOutputPortNames() const { return mOutputPortNames; }
+ String16 getProperty(const char* propertyName);
+
+ // The constants need to be kept in sync with MidiDeviceInfo.java
+ enum {
+ TYPE_USB = 1,
+ TYPE_VIRTUAL = 2,
+ TYPE_BLUETOOTH = 3,
+ };
+ static const char* const PROPERTY_NAME;
+ static const char* const PROPERTY_MANUFACTURER;
+ static const char* const PROPERTY_PRODUCT;
+ static const char* const PROPERTY_VERSION;
+ static const char* const PROPERTY_SERIAL_NUMBER;
+ static const char* const PROPERTY_ALSA_CARD;
+ static const char* const PROPERTY_ALSA_DEVICE;
+
+ friend bool operator==(const MidiDeviceInfo& lhs, const MidiDeviceInfo& rhs);
+ friend bool operator!=(const MidiDeviceInfo& lhs, const MidiDeviceInfo& rhs) {
+ return !(lhs == rhs);
+ }
+
+private:
+ status_t readStringVector(
+ const Parcel* parcel, Vector<String16> *vectorPtr, size_t defaultLength);
+ status_t writeStringVector(Parcel* parcel, const Vector<String16>& vector) const;
+
+ int32_t mType;
+ int32_t mId;
+ Vector<String16> mInputPortNames;
+ Vector<String16> mOutputPortNames;
+ os::PersistableBundle mProperties;
+ bool mIsPrivate;
+};
+
+} // namespace midi
+} // namespace media
+} // namespace android
+
+#endif // ANDROID_MEDIA_MIDI_DEVICE_INFO_H