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/*
* 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.
*/
package com.android.bluetooth.avrcpcontroller;
import android.support.v4.media.session.PlaybackStateCompat;
import android.util.Log;
import android.util.SparseArray;
import java.util.ArrayList;
/*
* Contains information Player Application Setting extended from BluetootAvrcpPlayerSettings
*/
class PlayerApplicationSettings {
private static final String TAG = "PlayerApplicationSettings";
/*
* Values for SetPlayerApplicationSettings from AVRCP Spec V1.6 Appendix F.
*/
static final byte EQUALIZER_STATUS = 0x01;
static final byte REPEAT_STATUS = 0x02;
static final byte SHUFFLE_STATUS = 0x03;
static final byte SCAN_STATUS = 0x04;
private static final byte JNI_EQUALIZER_STATUS_OFF = 0x01;
private static final byte JNI_EQUALIZER_STATUS_ON = 0x02;
private static final byte JNI_REPEAT_STATUS_OFF = 0x01;
private static final byte JNI_REPEAT_STATUS_SINGLE_TRACK_REPEAT = 0x02;
private static final byte JNI_REPEAT_STATUS_ALL_TRACK_REPEAT = 0x03;
private static final byte JNI_REPEAT_STATUS_GROUP_REPEAT = 0x04;
private static final byte JNI_SHUFFLE_STATUS_OFF = 0x01;
private static final byte JNI_SHUFFLE_STATUS_ALL_TRACK_SHUFFLE = 0x02;
private static final byte JNI_SHUFFLE_STATUS_GROUP_SHUFFLE = 0x03;
private static final byte JNI_SCAN_STATUS_OFF = 0x01;
private static final byte JNI_SCAN_STATUS_ALL_TRACK_SCAN = 0x02;
private static final byte JNI_SCAN_STATUS_GROUP_SCAN = 0x03;
private static final byte JNI_STATUS_INVALID = -1;
/*
* Hash map of current settings.
*/
private SparseArray<Integer> mSettings = new SparseArray<>();
/*
* Hash map of supported values, a setting should be supported by the remote in order to enable
* in mSettings.
*/
private SparseArray<ArrayList<Integer>> mSupportedValues =
new SparseArray<ArrayList<Integer>>();
/* Convert from JNI array to Java classes. */
static PlayerApplicationSettings makeSupportedSettings(byte[] btAvrcpAttributeList) {
PlayerApplicationSettings newObj = new PlayerApplicationSettings();
try {
for (int i = 0; i < btAvrcpAttributeList.length; ) {
byte attrId = btAvrcpAttributeList[i++];
byte numSupportedVals = btAvrcpAttributeList[i++];
ArrayList<Integer> supportedValues = new ArrayList<Integer>();
for (int j = 0; j < numSupportedVals; j++) {
// Yes, keep using i for array indexing.
supportedValues.add(
mapAttribIdValtoAvrcpPlayerSetting(attrId, btAvrcpAttributeList[i++]));
}
newObj.mSupportedValues.put(attrId, supportedValues);
}
} catch (ArrayIndexOutOfBoundsException exception) {
Log.e(TAG, "makeSupportedSettings attributeList index error.");
}
return newObj;
}
static PlayerApplicationSettings makeSettings(byte[] btAvrcpAttributeList) {
PlayerApplicationSettings newObj = new PlayerApplicationSettings();
try {
for (int i = 0; i < btAvrcpAttributeList.length; ) {
byte attrId = btAvrcpAttributeList[i++];
newObj.mSettings.put(attrId,
mapAttribIdValtoAvrcpPlayerSetting(attrId, btAvrcpAttributeList[i++]));
}
} catch (ArrayIndexOutOfBoundsException exception) {
Log.e(TAG, "makeSettings JNI_ATTRIButeList index error.");
}
return newObj;
}
public void setSupport(PlayerApplicationSettings updates) {
mSettings = updates.mSettings;
mSupportedValues = updates.mSupportedValues;
}
public boolean supportsSetting(int settingType, int settingValue) {
if (null == mSupportedValues.get(settingType)) return false;
return mSupportedValues.valueAt(settingType).contains(settingValue);
}
public boolean supportsSetting(int settingType) {
return (null != mSupportedValues.get(settingType));
}
public int getSetting(int settingType) {
if (null == mSettings.get(settingType)) return -1;
return mSettings.get(settingType);
}
// Convert a native Attribute Id/Value pair into the AVRCP equivalent value.
private static int mapAttribIdValtoAvrcpPlayerSetting(byte attribId, byte attribVal) {
if (attribId == REPEAT_STATUS) {
switch (attribVal) {
case JNI_REPEAT_STATUS_ALL_TRACK_REPEAT:
return PlaybackStateCompat.REPEAT_MODE_ALL;
case JNI_REPEAT_STATUS_GROUP_REPEAT:
return PlaybackStateCompat.REPEAT_MODE_GROUP;
case JNI_REPEAT_STATUS_OFF:
return PlaybackStateCompat.REPEAT_MODE_NONE;
case JNI_REPEAT_STATUS_SINGLE_TRACK_REPEAT:
return PlaybackStateCompat.REPEAT_MODE_ONE;
}
} else if (attribId == SHUFFLE_STATUS) {
switch (attribVal) {
case JNI_SHUFFLE_STATUS_ALL_TRACK_SHUFFLE:
return PlaybackStateCompat.SHUFFLE_MODE_ALL;
case JNI_SHUFFLE_STATUS_GROUP_SHUFFLE:
return PlaybackStateCompat.SHUFFLE_MODE_GROUP;
case JNI_SHUFFLE_STATUS_OFF:
return PlaybackStateCompat.SHUFFLE_MODE_NONE;
}
}
return JNI_STATUS_INVALID;
}
// Convert an AVRCP Setting/Value pair into the native equivalent value;
static byte mapAvrcpPlayerSettingstoBTattribVal(int mSetting, int mSettingVal) {
if (mSetting == REPEAT_STATUS) {
switch (mSettingVal) {
case PlaybackStateCompat.REPEAT_MODE_NONE:
return JNI_REPEAT_STATUS_OFF;
case PlaybackStateCompat.REPEAT_MODE_ONE:
return JNI_REPEAT_STATUS_SINGLE_TRACK_REPEAT;
case PlaybackStateCompat.REPEAT_MODE_ALL:
return JNI_REPEAT_STATUS_ALL_TRACK_REPEAT;
case PlaybackStateCompat.REPEAT_MODE_GROUP:
return JNI_REPEAT_STATUS_GROUP_REPEAT;
}
} else if (mSetting == SHUFFLE_STATUS) {
switch (mSettingVal) {
case PlaybackStateCompat.SHUFFLE_MODE_NONE:
return JNI_SHUFFLE_STATUS_OFF;
case PlaybackStateCompat.SHUFFLE_MODE_ALL:
return JNI_SHUFFLE_STATUS_ALL_TRACK_SHUFFLE;
case PlaybackStateCompat.SHUFFLE_MODE_GROUP:
return JNI_SHUFFLE_STATUS_GROUP_SHUFFLE;
}
}
return JNI_STATUS_INVALID;
}
}
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