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Merge "Settings: Use new PowerManager call to set low power mode." into lmp-dev

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This commit is contained in:
John Spurlock
2014-09-14 19:36:18 +00:00
committed by Android (Google) Code Review
parent 3e71b197f7 41e8351448
commit 2e205e9b4b
1 changed files with 55 additions and 12 deletions
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67
src/com/android/settings/fuelgauge/BatterySaverSettings.java
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@@ -16,14 +16,20 @@
package com.android.settings.fuelgauge;
import static android.os.PowerManager.ACTION_POWER_SAVE_MODE_CHANGING;
import android.content.BroadcastReceiver;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.res.Resources;
import android.database.ContentObserver;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Handler;
import android.os.PowerManager;
import android.provider.Settings.Global;
import android.util.Log;
import android.widget.Switch;
@@ -43,6 +49,7 @@ public class BatterySaverSettings extends SettingsPreferenceFragment
private final Handler mHandler = new Handler();
private final SettingsObserver mSettingsObserver = new SettingsObserver(mHandler);
private final Receiver mReceiver = new Receiver();
private Context mContext;
private boolean mCreated;
@@ -50,6 +57,7 @@ public class BatterySaverSettings extends SettingsPreferenceFragment
private SwitchBar mSwitchBar;
private Switch mSwitch;
private boolean mValidListener;
private PowerManager mPowerManager;
@Override
public void onActivityCreated(Bundle savedInstanceState) {
@@ -76,6 +84,8 @@ public class BatterySaverSettings extends SettingsPreferenceFragment
}
};
mTriggerPref.init(this);
mPowerManager = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE);
}
@Override
@@ -88,6 +98,7 @@ public class BatterySaverSettings extends SettingsPreferenceFragment
public void onResume() {
super.onResume();
mSettingsObserver.setListening(true);
mReceiver.setListening(true);
if (!mValidListener) {
mSwitchBar.addOnSwitchChangeListener(this);
mValidListener = true;
@@ -99,6 +110,7 @@ public class BatterySaverSettings extends SettingsPreferenceFragment
public void onPause() {
super.onPause();
mSettingsObserver.setListening(false);
mReceiver.setListening(false);
if (mValidListener) {
mSwitchBar.removeOnSwitchChangeListener(this);
mValidListener = false;
@@ -107,43 +119,78 @@ public class BatterySaverSettings extends SettingsPreferenceFragment
@Override
public void onSwitchChanged(Switch switchView, boolean isChecked) {
mHandler.removeCallbacks(mStartMode);
if (isChecked) {
mHandler.postDelayed(mStartMode, WAIT_FOR_SWITCH_ANIM);
} else {
if (DEBUG) Log.d(TAG, "Stopping LOW_POWER_MODE from settings");
Global.putInt(getContentResolver(), Global.LOW_POWER_MODE, 0);
if (DEBUG) Log.d(TAG, "Stopping low power mode from settings");
trySetPowerSaveMode(false);
}
}
private void trySetPowerSaveMode(boolean mode) {
if (!mPowerManager.setPowerSaveMode(mode)) {
if (DEBUG) Log.d(TAG, "Setting mode failed, fallback to current value");
mHandler.post(mUpdateSwitch);
}
}
private void updateSwitch() {
final boolean checked = Global.getInt(getContentResolver(), Global.LOW_POWER_MODE, 0) != 0;
if (checked == mSwitch.isChecked()) return;
final boolean mode = mPowerManager.isPowerSaveMode();
if (DEBUG) Log.d(TAG, "updateSwitch: isChecked=" + mSwitch.isChecked() + " mode=" + mode);
if (mode == mSwitch.isChecked()) return;
// set listener to null so that that code below doesn't trigger onCheckedChanged()
if (mValidListener) {
mSwitchBar.removeOnSwitchChangeListener(this);
}
mSwitch.setChecked(checked);
mSwitch.setChecked(mode);
if (mValidListener) {
mSwitchBar.addOnSwitchChangeListener(this);
}
}
private final Runnable mUpdateSwitch = new Runnable() {
@Override
public void run() {
updateSwitch();
}
};
private final Runnable mStartMode = new Runnable() {
@Override
public void run() {
AsyncTask.execute(new Runnable() {
@Override
public void run() {
if (DEBUG) Log.d(TAG, "Starting LOW_POWER_MODE from settings");
Global.putInt(getContentResolver(), Global.LOW_POWER_MODE, 1);
if (DEBUG) Log.d(TAG, "Starting low power mode from settings");
trySetPowerSaveMode(true);
}
});
}
};
private final class Receiver extends BroadcastReceiver {
private boolean mRegistered;
@Override
public void onReceive(Context context, Intent intent) {
if (DEBUG) Log.d(TAG, "Received " + intent.getAction());
mHandler.post(mUpdateSwitch);
}
public void setListening(boolean listening) {
if (listening && !mRegistered) {
mContext.registerReceiver(this, new IntentFilter(ACTION_POWER_SAVE_MODE_CHANGING));
mRegistered = true;
} else if (!listening && mRegistered) {
mContext.unregisterReceiver(this);
mRegistered = false;
}
}
}
private final class SettingsObserver extends ContentObserver {
private final Uri LOW_POWER_MODE_URI = Global.getUriFor(Global.LOW_POWER_MODE);
private final Uri LOW_POWER_MODE_TRIGGER_LEVEL_URI
= Global.getUriFor(Global.LOW_POWER_MODE_TRIGGER_LEVEL);
@@ -153,9 +200,6 @@ public class BatterySaverSettings extends SettingsPreferenceFragment
@Override
public void onChange(boolean selfChange, Uri uri) {
if (LOW_POWER_MODE_URI.equals(uri)) {
updateSwitch();
}
if (LOW_POWER_MODE_TRIGGER_LEVEL_URI.equals(uri)) {
mTriggerPref.update(mContext);
}
@@ -164,7 +208,6 @@ public class BatterySaverSettings extends SettingsPreferenceFragment
public void setListening(boolean listening) {
final ContentResolver cr = getContentResolver();
if (listening) {
cr.registerContentObserver(LOW_POWER_MODE_URI, false, this);
cr.registerContentObserver(LOW_POWER_MODE_TRIGGER_LEVEL_URI, false, this);
} else {
cr.unregisterContentObserver(this);