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      1 /*
      2  * Copyright (C) 2016 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #ifndef ANDROID_MEDIA_MIDI_DEVICE_INFO_H
     18 #define ANDROID_MEDIA_MIDI_DEVICE_INFO_H
     19 
     20 #include <binder/Parcelable.h>
     21 #include <binder/PersistableBundle.h>
     22 #include <utils/String16.h>
     23 #include <utils/Vector.h>
     24 
     25 namespace android {
     26 namespace media {
     27 namespace midi {
     28 
     29 class MidiDeviceInfo : public Parcelable {
     30 public:
     31     MidiDeviceInfo() = default;
     32     virtual ~MidiDeviceInfo() = default;
     33     MidiDeviceInfo(const MidiDeviceInfo& midiDeviceInfo) = default;
     34 
     35     status_t writeToParcel(Parcel* parcel) const override;
     36     status_t readFromParcel(const Parcel* parcel) override;
     37 
     38     int getType() const { return mType; }
     39     int getUid() const { return mId; }
     40     bool isPrivate() const { return mIsPrivate; }
     41     const Vector<String16>& getInputPortNames() const { return mInputPortNames; }
     42     const Vector<String16>&  getOutputPortNames() const { return mOutputPortNames; }
     43     String16 getProperty(const char* propertyName);
     44 
     45     // The constants need to be kept in sync with MidiDeviceInfo.java
     46     enum {
     47         TYPE_USB = 1,
     48         TYPE_VIRTUAL = 2,
     49         TYPE_BLUETOOTH = 3,
     50     };
     51     static const char* const PROPERTY_NAME;
     52     static const char* const PROPERTY_MANUFACTURER;
     53     static const char* const PROPERTY_PRODUCT;
     54     static const char* const PROPERTY_VERSION;
     55     static const char* const PROPERTY_SERIAL_NUMBER;
     56     static const char* const PROPERTY_ALSA_CARD;
     57     static const char* const PROPERTY_ALSA_DEVICE;
     58 
     59     friend bool operator==(const MidiDeviceInfo& lhs, const MidiDeviceInfo& rhs);
     60     friend bool operator!=(const MidiDeviceInfo& lhs, const MidiDeviceInfo& rhs) {
     61         return !(lhs == rhs);
     62     }
     63 
     64 private:
     65     status_t readStringVector(
     66             const Parcel* parcel, Vector<String16> *vectorPtr, size_t defaultLength);
     67     status_t writeStringVector(Parcel* parcel, const Vector<String16>& vector) const;
     68 
     69     int32_t mType;
     70     int32_t mId;
     71     Vector<String16> mInputPortNames;
     72     Vector<String16> mOutputPortNames;
     73     os::PersistableBundle mProperties;
     74     bool mIsPrivate;
     75 };
     76 
     77 }  // namespace midi
     78 }  // namespace media
     79 }  // namespace android
     80 
     81 #endif  // ANDROID_MEDIA_MIDI_DEVICE_INFO_H
     82