1 /* 2 * Copyright (C) 2015 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 package android.bluetooth; 18 19 import android.annotation.NonNull; 20 import android.os.Parcel; 21 import android.os.Parcelable; 22 import android.util.Log; 23 24 import java.util.HashMap; 25 import java.util.Map; 26 27 /** 28 * Class used to identify settings associated with the player on AG. 29 * 30 * {@hide} 31 */ 32 public final class BluetoothAvrcpPlayerSettings implements Parcelable { 33 public static final String TAG = "BluetoothAvrcpPlayerSettings"; 34 35 /** 36 * Equalizer setting. 37 */ 38 public static final int SETTING_EQUALIZER = 0x01; 39 40 /** 41 * Repeat setting. 42 */ 43 public static final int SETTING_REPEAT = 0x02; 44 45 /** 46 * Shuffle setting. 47 */ 48 public static final int SETTING_SHUFFLE = 0x04; 49 50 /** 51 * Scan mode setting. 52 */ 53 public static final int SETTING_SCAN = 0x08; 54 55 /** 56 * Invalid state. 57 * 58 * Used for returning error codes. 59 */ 60 public static final int STATE_INVALID = -1; 61 62 /** 63 * OFF state. 64 * 65 * Denotes a general OFF state. Applies to all settings. 66 */ 67 public static final int STATE_OFF = 0x00; 68 69 /** 70 * ON state. 71 * 72 * Applies to {@link SETTING_EQUALIZER}. 73 */ 74 public static final int STATE_ON = 0x01; 75 76 /** 77 * Single track repeat. 78 * 79 * Applies only to {@link SETTING_REPEAT}. 80 */ 81 public static final int STATE_SINGLE_TRACK = 0x02; 82 83 /** 84 * All track repeat/shuffle. 85 * 86 * Applies to {@link #SETTING_REPEAT}, {@link #SETTING_SHUFFLE} and {@link #SETTING_SCAN}. 87 */ 88 public static final int STATE_ALL_TRACK = 0x03; 89 90 /** 91 * Group repeat/shuffle. 92 * 93 * Applies to {@link #SETTING_REPEAT}, {@link #SETTING_SHUFFLE} and {@link #SETTING_SCAN}. 94 */ 95 public static final int STATE_GROUP = 0x04; 96 97 /** 98 * List of supported settings ORed. 99 */ 100 private int mSettings; 101 102 /** 103 * Hash map of current capability values. 104 */ 105 private Map<Integer, Integer> mSettingsValue = new HashMap<Integer, Integer>(); 106 107 @Override describeContents()108 public int describeContents() { 109 return 0; 110 } 111 112 @Override writeToParcel(Parcel out, int flags)113 public void writeToParcel(Parcel out, int flags) { 114 out.writeInt(mSettings); 115 out.writeInt(mSettingsValue.size()); 116 for (int k : mSettingsValue.keySet()) { 117 out.writeInt(k); 118 out.writeInt(mSettingsValue.get(k)); 119 } 120 } 121 122 public static final @NonNull Creator<BluetoothAvrcpPlayerSettings> CREATOR = new Creator<>() { 123 public BluetoothAvrcpPlayerSettings createFromParcel(Parcel in) { 124 return new BluetoothAvrcpPlayerSettings(in); 125 } 126 127 public BluetoothAvrcpPlayerSettings[] newArray(int size) { 128 return new BluetoothAvrcpPlayerSettings[size]; 129 } 130 }; 131 BluetoothAvrcpPlayerSettings(Parcel in)132 private BluetoothAvrcpPlayerSettings(Parcel in) { 133 mSettings = in.readInt(); 134 int numSettings = in.readInt(); 135 for (int i = 0; i < numSettings; i++) { 136 mSettingsValue.put(in.readInt(), in.readInt()); 137 } 138 } 139 140 /** 141 * Create a new player settings object. 142 * 143 * @param settings a ORed value of SETTINGS_* defined above. 144 */ BluetoothAvrcpPlayerSettings(int settings)145 public BluetoothAvrcpPlayerSettings(int settings) { 146 mSettings = settings; 147 } 148 149 /** 150 * Get the supported settings. 151 * 152 * @return int ORed value of supported settings. 153 */ getSettings()154 public int getSettings() { 155 return mSettings; 156 } 157 158 /** 159 * Add a setting value. 160 * 161 * The setting must be part of possible settings in {@link getSettings()}. 162 * 163 * @param setting setting config. 164 * @param value value for the setting. 165 * @throws IllegalStateException if the setting is not supported. 166 */ addSettingValue(int setting, int value)167 public void addSettingValue(int setting, int value) { 168 if ((setting & mSettings) == 0) { 169 Log.e(TAG, "Setting not supported: " + setting + " " + mSettings); 170 throw new IllegalStateException("Setting not supported: " + setting); 171 } 172 mSettingsValue.put(setting, value); 173 } 174 175 /** 176 * Get a setting value. 177 * 178 * The setting must be part of possible settings in {@link getSettings()}. 179 * 180 * @param setting setting config. 181 * @return value value for the setting. 182 * @throws IllegalStateException if the setting is not supported. 183 */ getSettingValue(int setting)184 public int getSettingValue(int setting) { 185 if ((setting & mSettings) == 0) { 186 Log.e(TAG, "Setting not supported: " + setting + " " + mSettings); 187 throw new IllegalStateException("Setting not supported: " + setting); 188 } 189 Integer i = mSettingsValue.get(setting); 190 if (i == null) return -1; 191 return i; 192 } 193 } 194