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 
getType()38     int getType() const { return mType; }
getUid()39     int getUid() const { return mId; }
isPrivate()40     bool isPrivate() const { return mIsPrivate; }
getInputPortNames()41     const Vector<String16>& getInputPortNames() const { return mInputPortNames; }
getOutputPortNames()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