Keep track of the last sleep reason (a380572c) · Commits · e / os / android_frameworks_base

core/java/android/os/IPowerManager.aidl

+1 −0

Original line number	Original line	Diff line number	Diff line
	@@ -56,6 +56,7 @@ interface IPowerManager
	void shutdown(boolean confirm, String reason, boolean wait);		void shutdown(boolean confirm, String reason, boolean wait);
	void crash(String message);		void crash(String message);
	int getLastShutdownReason();		int getLastShutdownReason();
			int getLastSleepReason();

	void setStayOnSetting(int val);		void setStayOnSetting(int val);
	void boostScreenBrightness(long time);		void boostScreenBrightness(long time);

core/java/android/os/PowerManager.java

+33 −0

Original line number	Original line	Diff line number	Diff line
	@@ -396,6 +396,23 @@ public final class PowerManager {
	*/		*/
	public static final int GO_TO_SLEEP_REASON_ACCESSIBILITY = 7;		public static final int GO_TO_SLEEP_REASON_ACCESSIBILITY = 7;

			/**
			* @hide
			*/
			public static String sleepReasonToString(int sleepReason) {
			switch (sleepReason) {
			case GO_TO_SLEEP_REASON_APPLICATION: return "application";
			case GO_TO_SLEEP_REASON_DEVICE_ADMIN: return "device_admin";
			case GO_TO_SLEEP_REASON_TIMEOUT: return "timeout";
			case GO_TO_SLEEP_REASON_LID_SWITCH: return "lid_switch";
			case GO_TO_SLEEP_REASON_POWER_BUTTON: return "power_button";
			case GO_TO_SLEEP_REASON_HDMI: return "hdmi";
			case GO_TO_SLEEP_REASON_SLEEP_BUTTON: return "sleep_button";
			case GO_TO_SLEEP_REASON_ACCESSIBILITY: return "accessibility";
			default: return Integer.toString(sleepReason);
			}
			}

	/**		/**
	* Go to sleep flag: Skip dozing state and directly go to full sleep.		* Go to sleep flag: Skip dozing state and directly go to full sleep.
	* @hide		* @hide
	@@ -1309,6 +1326,22 @@ public final class PowerManager {
	}		}
	}		}

			/**
			* Returns the reason the device last went to sleep (i.e. the last value of
			* the second argument of {@link #goToSleep(long, int, int) goToSleep}).
			*
			* @return One of the {@code GO_TO_SLEEP_REASON_*} constants.
			*
			* @hide
			*/
			public int getLastSleepReason() {
			try {
			return mService.getLastSleepReason();
			} catch (RemoteException e) {
			throw e.rethrowFromSystemServer();
			}
			}

	/**		/**
	* Intent that is broadcast when the state of {@link #isPowerSaveMode()} changes.		* Intent that is broadcast when the state of {@link #isPowerSaveMode()} changes.
	* This broadcast is only sent to registered receivers.		* This broadcast is only sent to registered receivers.

services/core/java/com/android/server/power/PowerManagerService.java

+24 −0

Original line number	Original line	Diff line number	Diff line
	@@ -288,6 +288,9 @@ public final class PowerManagerService extends SystemService
	private long mLastWakeTime;		private long mLastWakeTime;
	private long mLastSleepTime;		private long mLastSleepTime;

			// Last reason the device went to sleep.
			private int mLastSleepReason;

	// Timestamp of the last call to user activity.		// Timestamp of the last call to user activity.
	private long mLastUserActivityTime;		private long mLastUserActivityTime;
	private long mLastUserActivityTimeNoChangeLights;		private long mLastUserActivityTimeNoChangeLights;
	@@ -1433,6 +1436,7 @@ public final class PowerManagerService extends SystemService
	}		}

	mLastSleepTime = eventTime;		mLastSleepTime = eventTime;
			mLastSleepReason = reason;
	mSandmanSummoned = true;		mSandmanSummoned = true;
	setWakefulnessLocked(WAKEFULNESS_DOZING, reason);		setWakefulnessLocked(WAKEFULNESS_DOZING, reason);

	@@ -3266,6 +3270,7 @@ public final class PowerManagerService extends SystemService
	pw.println(" mDeviceIdleTempWhitelist=" + Arrays.toString(mDeviceIdleTempWhitelist));		pw.println(" mDeviceIdleTempWhitelist=" + Arrays.toString(mDeviceIdleTempWhitelist));
	pw.println(" mLastWakeTime=" + TimeUtils.formatUptime(mLastWakeTime));		pw.println(" mLastWakeTime=" + TimeUtils.formatUptime(mLastWakeTime));
	pw.println(" mLastSleepTime=" + TimeUtils.formatUptime(mLastSleepTime));		pw.println(" mLastSleepTime=" + TimeUtils.formatUptime(mLastSleepTime));
			pw.println(" mLastSleepReason=" + PowerManager.sleepReasonToString(mLastSleepReason));
	pw.println(" mLastUserActivityTime=" + TimeUtils.formatUptime(mLastUserActivityTime));		pw.println(" mLastUserActivityTime=" + TimeUtils.formatUptime(mLastUserActivityTime));
	pw.println(" mLastUserActivityTimeNoChangeLights="		pw.println(" mLastUserActivityTimeNoChangeLights="
	+ TimeUtils.formatUptime(mLastUserActivityTimeNoChangeLights));		+ TimeUtils.formatUptime(mLastUserActivityTimeNoChangeLights));
	@@ -4404,6 +4409,19 @@ public final class PowerManagerService extends SystemService
	}		}
	}		}

			@Override // Binder call
			public int getLastSleepReason() {
			mContext.enforceCallingOrSelfPermission(
			android.Manifest.permission.DEVICE_POWER, null);

			final long ident = Binder.clearCallingIdentity();
			try {
			return getLastSleepReasonInternal();
			} finally {
			Binder.restoreCallingIdentity(ident);
			}
			}

	/**		/**
	* Reboots the device.		* Reboots the device.
	*		*
	@@ -4619,6 +4637,12 @@ public final class PowerManagerService extends SystemService
	}		}
	}		}

			private int getLastSleepReasonInternal() {
			synchronized (mLock) {
			return mLastSleepReason;
			}
			}

	private final class LocalService extends PowerManagerInternal {		private final class LocalService extends PowerManagerInternal {
	@Override		@Override
	public void setScreenBrightnessOverrideFromWindowManager(int screenBrightness) {		public void setScreenBrightnessOverrideFromWindowManager(int screenBrightness) {