Keep screen on when in car mode and the device is powered. (e29db6a2) · Commits · e / os / android_frameworks_base

services/java/com/android/server/UiModeManagerService.java

+41 −1

Original line number	Diff line number	Diff line
		@@ -38,10 +38,12 @@ import android.location.Criteria;
		import android.location.Location;
		import android.location.LocationListener;
		import android.location.LocationManager;
		import android.os.BatteryManager;
		import android.os.Binder;
		import android.os.Bundle;
		import android.os.Handler;
		import android.os.Message;
		import android.os.PowerManager;
		import android.os.RemoteException;
		import android.os.ServiceManager;
		import android.text.format.DateUtils;
		@@ -80,6 +82,9 @@ class UiModeManagerService extends IUiModeManager.Stub {

		private int mNightMode = UiModeManager.MODE_NIGHT_NO;
		private boolean mCarModeEnabled = false;
		private boolean mCharging = false;
		private final boolean mCarModeKeepsScreenOn;
		private final boolean mDeskModeKeepsScreenOn;

		private boolean mComputedNightMode;
		private int mCurUiMode = 0;
		@@ -96,6 +101,7 @@ class UiModeManagerService extends IUiModeManager.Stub {
		private Location mLocation;
		private StatusBarManager mStatusBarManager;
		private KeyguardManager.KeyguardLock mKeyguardLock;
		private final PowerManager.WakeLock mWakeLock;

		// The broadcast receiver which receives the result of the ordered broadcast sent when
		// the dock state changes. The original ordered broadcast is sent with an initial result
		@@ -150,6 +156,18 @@ class UiModeManagerService extends IUiModeManager.Stub {
		}
		};

		private final BroadcastReceiver mBatteryReceiver = new BroadcastReceiver() {
		@Override
		public void onReceive(Context context, Intent intent) {
		mCharging = (intent.getIntExtra(BatteryManager.EXTRA_PLUGGED, 0) != 0);
		synchronized (mLock) {
		if (mSystemReady) {
		updateLocked();
		}
		}
		}
		};

		// A LocationListener to initialize the network location provider. The location updates
		// are handled through the passive location provider.
		private final LocationListener mEmptyLocationListener = new LocationListener() {
		@@ -237,8 +255,18 @@ class UiModeManagerService extends IUiModeManager.Stub {
		new IntentFilter(ACTION_UPDATE_NIGHT_MODE));
		mContext.registerReceiver(mDockModeReceiver,
		new IntentFilter(Intent.ACTION_DOCK_EVENT));
		mContext.registerReceiver(mBatteryReceiver,
		new IntentFilter(Intent.ACTION_BATTERY_CHANGED));

		PowerManager powerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE);
		mWakeLock = powerManager.newWakeLock(PowerManager.FULL_WAKE_LOCK, TAG);

		mConfiguration.setToDefaults();

		mCarModeKeepsScreenOn = (context.getResources().getInteger(
		com.android.internal.R.integer.config_carDockKeepsScreenOn) == 1);
		mDeskModeKeepsScreenOn = (context.getResources().getInteger(
		com.android.internal.R.integer.config_deskDockKeepsScreenOn) == 1);
		}

		public void disableCarMode() {
		@@ -421,6 +449,18 @@ class UiModeManagerService extends IUiModeManager.Stub {
		mContext.sendOrderedBroadcast(new Intent(action), null,
		mResultReceiver, null, Activity.RESULT_OK, null, null);
		}

		// keep screen on when charging and in car mode
		boolean keepScreenOn = mCharging &&
		((mCarModeEnabled && mCarModeKeepsScreenOn) \|\|
		(mCurUiMode == Configuration.UI_MODE_TYPE_DESK && mDeskModeKeepsScreenOn));
		if (keepScreenOn != mWakeLock.isHeld()) {
		if (keepScreenOn) {
		mWakeLock.acquire();
		} else {
		mWakeLock.release();
		}
		}
		} finally {
		Binder.restoreCallingIdentity(ident);
		}