Introduce AbstractBluetoothA2dpPreferenceCtrl

- Refactor BluetoothAudioSampleRatePreferenceController into
  AbstractBluetoothA2dpPreferenceController
 - Make it easier to implement future bluetooth a2dp preferences

Bug: 34203528
Test: make RunSettingsRoboTests -j40
Change-Id: Ie94273c2b97504f4fb63f11b1afc21abc6944ffb
This commit is contained in:
jeffreyhuang
2017-10-11 17:45:48 -07:00
parent eb905ea4e2
commit 027da329fe
5 changed files with 454 additions and 221 deletions

View File

@@ -16,53 +16,26 @@
package com.android.settings.development;
import android.bluetooth.BluetoothA2dp;
import android.bluetooth.BluetoothCodecConfig;
import android.content.Context;
import android.support.annotation.VisibleForTesting;
import android.support.v7.preference.ListPreference;
import android.support.v7.preference.Preference;
import android.support.v7.preference.PreferenceScreen;
import com.android.settings.R;
import com.android.settings.core.PreferenceControllerMixin;
import com.android.settingslib.core.lifecycle.Lifecycle;
import com.android.settingslib.core.lifecycle.LifecycleObserver;
import com.android.settingslib.core.lifecycle.events.OnDestroy;
import com.android.settingslib.development.DeveloperOptionsPreferenceController;
public class BluetoothAudioSampleRatePreferenceController extends
DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener,
PreferenceControllerMixin, BluetoothServiceConnectionListener, LifecycleObserver,
OnDestroy {
AbstractBluetoothA2dpPreferenceController {
private static final int DEFAULT_INDEX = 0;
private static final String BLUETOOTH_SELECT_A2DP_SAMPLE_RATE_KEY =
"bluetooth_select_a2dp_sample_rate";
@VisibleForTesting
static final int STREAMING_LABEL_ID = R.string.bluetooth_select_a2dp_codec_streaming_label;
private final String[] mListValues;
private final String[] mListSummaries;
private final Object mBluetoothA2dpLock;
private final BluetoothA2dpConfigStore mBluetoothA2dpConfigStore;
private ListPreference mPreference;
private BluetoothA2dp mBluetoothA2dp;
public BluetoothAudioSampleRatePreferenceController(Context context, Lifecycle lifecycle,
Object bluetoothA2dpLock, BluetoothA2dpConfigStore store) {
super(context);
mBluetoothA2dpLock = bluetoothA2dpLock;
mBluetoothA2dpConfigStore = store;
mListValues = context.getResources().getStringArray(
R.array.bluetooth_a2dp_codec_sample_rate_values);
mListSummaries = context.getResources().getStringArray(
R.array.bluetooth_a2dp_codec_sample_rate_summaries);
if (lifecycle != null) {
lifecycle.addObserver(this);
}
super(context, lifecycle, bluetoothA2dpLock, store);
}
@Override
@@ -78,80 +51,52 @@ public class BluetoothAudioSampleRatePreferenceController extends
}
@Override
public boolean onPreferenceChange(Preference preference, Object newValue) {
if (mBluetoothA2dp == null) {
return false;
protected String[] getListValues() {
return mContext.getResources().getStringArray(
R.array.bluetooth_a2dp_codec_sample_rate_values);
}
@Override
protected String[] getListSummaries() {
return mContext.getResources().getStringArray(
R.array.bluetooth_a2dp_codec_sample_rate_summaries);
}
@Override
protected int getDefaultIndex() {
return DEFAULT_INDEX;
}
@Override
protected void writeConfigurationValues(Object newValue) {
final int index = mPreference.findIndexOfValue(newValue.toString());
int sampleRateValue = BluetoothCodecConfig.SAMPLE_RATE_NONE; // default
switch (index) {
case 0:
sampleRateValue = BluetoothCodecConfig.SAMPLE_RATE_NONE;
break;
case 1:
sampleRateValue = BluetoothCodecConfig.SAMPLE_RATE_44100;
break;
case 2:
sampleRateValue = BluetoothCodecConfig.SAMPLE_RATE_48000;
break;
case 3:
sampleRateValue = BluetoothCodecConfig.SAMPLE_RATE_88200;
break;
case 4:
sampleRateValue = BluetoothCodecConfig.SAMPLE_RATE_96000;
break;
default:
break;
}
final int sampleRate = mapPreferenceValueToSampleRate(newValue.toString());
mBluetoothA2dpConfigStore.setSampleRate(sampleRate);
// get values from shared store
BluetoothCodecConfig codecConfig = mBluetoothA2dpConfigStore.createCodecConfig();
synchronized (mBluetoothA2dpLock) {
if (mBluetoothA2dp != null) {
setCodecConfigPreference(codecConfig);
}
}
updateState(mPreference);
return true;
mBluetoothA2dpConfigStore.setSampleRate(sampleRateValue);
}
@Override
public void updateState(Preference preference) {
if (getCodecConfig() == null || mPreference == null) {
return;
}
BluetoothCodecConfig codecConfig;
synchronized (mBluetoothA2dpLock) {
codecConfig = getCodecConfig();
}
final int sampleRate = codecConfig.getSampleRate();
final int index = mapSampleRateToIndex(sampleRate);
mPreference.setValue(mListValues[index]);
mPreference.setSummary(
mContext.getResources().getString(STREAMING_LABEL_ID, mListSummaries[index]));
// write value to shared store
mBluetoothA2dpConfigStore.setSampleRate(sampleRate);
}
@Override
public void onBluetoothServiceConnected(BluetoothA2dp bluetoothA2dp) {
mBluetoothA2dp = bluetoothA2dp;
updateState(mPreference);
}
@Override
public void onBluetoothCodecUpdated() {
updateState(mPreference);
}
@Override
public void onBluetoothServiceDisconnected() {
mBluetoothA2dp = null;
}
@Override
public void onDestroy() {
mBluetoothA2dp = null;
}
@Override
protected void onDeveloperOptionsSwitchEnabled() {
mPreference.setEnabled(true);
}
@Override
protected void onDeveloperOptionsSwitchDisabled() {
mPreference.setEnabled(false);
}
private int mapSampleRateToIndex(int sampleRate) {
int index = 0;
protected int getCurrentA2dpSettingIndex(BluetoothCodecConfig config) {
final int sampleRate = config.getSampleRate();
int index = DEFAULT_INDEX;
switch (sampleRate) {
case BluetoothCodecConfig.SAMPLE_RATE_44100:
index = 1;
@@ -173,44 +118,4 @@ public class BluetoothAudioSampleRatePreferenceController extends
}
return index;
}
private int mapPreferenceValueToSampleRate(String value) {
final int index = mPreference.findIndexOfValue(value);
int sampleRateValue = 0;
switch (index) {
case 0:
// Reset to default
sampleRateValue = BluetoothCodecConfig.SAMPLE_RATE_NONE;
break;
case 1:
sampleRateValue = BluetoothCodecConfig.SAMPLE_RATE_44100;
break;
case 2:
sampleRateValue = BluetoothCodecConfig.SAMPLE_RATE_48000;
break;
case 3:
sampleRateValue = BluetoothCodecConfig.SAMPLE_RATE_88200;
break;
case 4:
sampleRateValue = BluetoothCodecConfig.SAMPLE_RATE_96000;
break;
default:
break;
}
return sampleRateValue;
}
@VisibleForTesting
void setCodecConfigPreference(BluetoothCodecConfig config) {
mBluetoothA2dp.setCodecConfigPreference(config);
}
@VisibleForTesting
BluetoothCodecConfig getCodecConfig() {
if (mBluetoothA2dp == null || mBluetoothA2dp.getCodecStatus() == null) {
return null;
}
return mBluetoothA2dp.getCodecStatus().getCodecConfig();
}
}