Merge "Settings: Use new PowerManager call to set low power mode." into lmp-dev (2e205e9b) · Commits · e / os / android_packages_apps_Settings

src/com/android/settings/fuelgauge/BatterySaverSettings.java

+55 −12

Original line number	Diff line number	Diff line
		@@ -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);