Tell PhoneWindowManager when we start/finish interactive changes. (416c49c4) · Commits · e / os / android_frameworks_base

core/java/android/view/WindowManagerPolicy.java

+19 −6

Original line number	Diff line number	Diff line
		@@ -941,17 +941,30 @@ public interface WindowManagerPolicy {
		public int focusChangedLw(WindowState lastFocus, WindowState newFocus);

		/**
		* Called when the device is waking up.
		* Called when the device has started waking up.
		*/
		public void wakingUp();
		public void startedWakingUp();

		/**
		* Called when the device is going to sleep.
		* Called when the device has finished waking up.
		*/
		public void finishedWakingUp();

		/**
		* Called when the device has started going to sleep.
		*
		* @param why {@link #OFF_BECAUSE_OF_USER}, {@link #OFF_BECAUSE_OF_ADMIN},
		* or {@link #OFF_BECAUSE_OF_TIMEOUT}.
		*/
		public void startedGoingToSleep(int why);

		/**
		* Called when the device has finished going to sleep.
		*
		* @param why {@link #OFF_BECAUSE_OF_USER} or
		* {@link #OFF_BECAUSE_OF_TIMEOUT}.
		* @param why {@link #OFF_BECAUSE_OF_USER}, {@link #OFF_BECAUSE_OF_ADMIN},
		* or {@link #OFF_BECAUSE_OF_TIMEOUT}.
		*/
		public void goingToSleep(int why);
		public void finishedGoingToSleep(int why);

		/**
		* Called when the device is about to turn on the screen to show content.

services/core/java/com/android/server/policy/PhoneWindowManager.java

+32 −19

Original line number	Diff line number	Diff line
		@@ -1451,7 +1451,8 @@ public class PhoneWindowManager implements WindowManagerPolicy {

		// Match current screen state.
		if (!mPowerManager.isInteractive()) {
		goingToSleep(WindowManagerPolicy.OFF_BECAUSE_OF_USER);
		startedGoingToSleep(WindowManagerPolicy.OFF_BECAUSE_OF_USER);
		finishedGoingToSleep(WindowManagerPolicy.OFF_BECAUSE_OF_USER);
		}

		mWindowManagerInternal.registerAppTransitionListener(
		@@ -5215,9 +5216,15 @@ public class PhoneWindowManager implements WindowManagerPolicy {

		// Called on the PowerManager's Notifier thread.
		@Override
		public void goingToSleep(int why) {
		public void startedGoingToSleep(int why) {
		if (DEBUG_WAKEUP) Slog.i(TAG, "Started going to sleep... (why=" + why + ")");
		}

		// Called on the PowerManager's Notifier thread.
		@Override
		public void finishedGoingToSleep(int why) {
		EventLog.writeEvent(70000, 0);
		if (DEBUG_WAKEUP) Slog.i(TAG, "Going to sleep...");
		if (DEBUG_WAKEUP) Slog.i(TAG, "Finished going to sleep... (why=" + why + ")");

		// We must get this work done here because the power manager will drop
		// the wake lock and let the system suspend once this function returns.
		@@ -5234,24 +5241,11 @@ public class PhoneWindowManager implements WindowManagerPolicy {
		}
		}

		private void wakeUpFromPowerKey(long eventTime) {
		wakeUp(eventTime, mAllowTheaterModeWakeFromPowerKey);
		}

		private boolean wakeUp(long wakeTime, boolean wakeInTheaterMode) {
		if (!wakeInTheaterMode && isTheaterModeEnabled()) {
		return false;
		}

		mPowerManager.wakeUp(wakeTime);
		return true;
		}

		// Called on the PowerManager's Notifier thread.
		@Override
		public void wakingUp() {
		public void startedWakingUp() {
		EventLog.writeEvent(70000, 1);
		if (DEBUG_WAKEUP) Slog.i(TAG, "Waking up...");
		if (DEBUG_WAKEUP) Slog.i(TAG, "Started waking up...");

		// Since goToSleep performs these functions synchronously, we must
		// do the same here. We cannot post this work to a handler because
		@@ -5279,6 +5273,25 @@ public class PhoneWindowManager implements WindowManagerPolicy {
		}
		}

		// Called on the PowerManager's Notifier thread.
		@Override
		public void finishedWakingUp() {
		if (DEBUG_WAKEUP) Slog.i(TAG, "Finished waking up...");
		}

		private void wakeUpFromPowerKey(long eventTime) {
		wakeUp(eventTime, mAllowTheaterModeWakeFromPowerKey);
		}

		private boolean wakeUp(long wakeTime, boolean wakeInTheaterMode) {
		if (!wakeInTheaterMode && isTheaterModeEnabled()) {
		return false;
		}

		mPowerManager.wakeUp(wakeTime);
		return true;
		}

		private void finishKeyguardDrawn() {
		synchronized (mLock) {
		if (!mAwake \|\| mKeyguardDrawComplete) {
		@@ -5771,7 +5784,7 @@ public class PhoneWindowManager implements WindowManagerPolicy {
		synchronized (mLock) {
		mSystemBooted = true;
		}
		wakingUp();
		startedWakingUp();
		screenTurningOn(null);
		}

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

+136 −88

Original line number	Diff line number	Diff line
		@@ -95,11 +95,19 @@ final class Notifier {
		private final Intent mScreenOffIntent;
		private final Intent mScreenBrightnessBoostIntent;

		// The current interactive state.
		private int mActualInteractiveState;
		private int mLastReason;

		// True if there is a pending transition that needs to be reported.
		// The current interactive state. This is set as soon as an interactive state
		// transition begins so as to capture the reason that it happened. At some point
		// this state will propagate to the pending state then eventually to the
		// broadcasted state over the course of reporting the transition asynchronously.
		private boolean mInteractive = true;
		private int mInteractiveChangeReason;
		private boolean mInteractiveChanging;

		// The pending interactive state that we will eventually want to broadcast.
		// This is designed so that we can collapse redundant sequences of awake/sleep
		// transition pairs while still guaranteeing that at least one transition is observed
		// whenever this happens.
		private int mPendingInteractiveState;
		private boolean mPendingWakeUpBroadcast;
		private boolean mPendingGoToSleepBroadcast;

		@@ -244,113 +252,152 @@ final class Notifier {

		/**
		* Notifies that the device is changing wakefulness.
		* This function may be called even if the previous change hasn't finished in
		* which case it will assume that the state did not fully converge before the
		* next transition began and will recover accordingly.
		*/
		public void onWakefulnessChangeStarted(int wakefulness, int reason) {
		public void onWakefulnessChangeStarted(final int wakefulness, int reason) {
		final boolean interactive = PowerManagerInternal.isInteractive(wakefulness);
		if (DEBUG) {
		Slog.d(TAG, "onWakefulnessChangeStarted: wakefulness=" + wakefulness
		+ ", reason=" + reason);
		+ ", reason=" + reason + ", interactive=" + interactive);
		}

		// We handle interactive state changes once they start so that the system can
		// set everything up or the user to begin interacting with applications.
		final boolean interactive = PowerManagerInternal.isInteractive(wakefulness);
		if (interactive) {
		handleWakefulnessChange(wakefulness, interactive, reason);
		} else {
		mLastReason = reason;
		// Tell the activity manager about changes in wakefulness, not just interactivity.
		// It needs more granularity than other components.
		mHandler.post(new Runnable() {
		@Override
		public void run() {
		mActivityManagerInternal.onWakefulnessChanged(wakefulness);
		}
		});

		// Handle any early interactive state changes.
		// Finish pending incomplete ones from a previous cycle.
		if (mInteractive != interactive) {
		// Finish up late behaviors if needed.
		if (mInteractiveChanging) {
		handleLateInteractiveChange();
		}

		// Start input as soon as we start waking up or going to sleep.
		mInputManagerInternal.setInteractive(interactive);

		// Notify battery stats.
		try {
		mBatteryStats.noteInteractive(interactive);
		} catch (RemoteException ex) { }

		// Handle early behaviors.
		mInteractive = interactive;
		mInteractiveChangeReason = reason;
		mInteractiveChanging = true;
		handleEarlyInteractiveChange();
		}
		}

		/**
		* Notifies that the device has finished changing wakefulness.
		*/
		public void onWakefulnessChangeFinished(int wakefulness) {
		public void onWakefulnessChangeFinished() {
		if (DEBUG) {
		Slog.d(TAG, "onWakefulnessChangeFinished: wakefulness=" + wakefulness);
		Slog.d(TAG, "onWakefulnessChangeFinished");
		}

		// Handle interactive state changes once they are finished so that the system can
		// finish pending transitions (such as turning the screen off) before causing
		// applications to change state visibly.
		final boolean interactive = PowerManagerInternal.isInteractive(wakefulness);
		if (!interactive) {
		handleWakefulnessChange(wakefulness, interactive, mLastReason);
		if (mInteractiveChanging) {
		mInteractiveChanging = false;
		handleLateInteractiveChange();
		}
		}

		private void handleWakefulnessChange(final int wakefulness, boolean interactive,
		final int reason) {
		// Tell the activity manager about changes in wakefulness, not just interactivity.
		// It needs more granularity than other components.
		/**
		* Handle early interactive state changes such as getting applications or the lock
		* screen running and ready for the user to see (such as when turning on the screen).
		*/
		private void handleEarlyInteractiveChange() {
		synchronized (mLock) {
		if (mInteractive) {
		// Waking up...
		mHandler.post(new Runnable() {
		@Override
		public void run() {
		mActivityManagerInternal.onWakefulnessChanged(wakefulness);
		EventLog.writeEvent(EventLogTags.POWER_SCREEN_STATE, 1, 0, 0, 0);
		mPolicy.startedWakingUp();
		}
		});

		// Handle changes in the overall interactive state.
		boolean interactiveChanged = false;
		synchronized (mLock) {
		// Broadcast interactive state changes.
		if (interactive) {
		// Waking up...
		interactiveChanged = (mActualInteractiveState != INTERACTIVE_STATE_AWAKE);
		if (interactiveChanged) {
		mActualInteractiveState = INTERACTIVE_STATE_AWAKE;
		// Send interactive broadcast.
		mPendingInteractiveState = INTERACTIVE_STATE_AWAKE;
		mPendingWakeUpBroadcast = true;
		updatePendingBroadcastLocked();
		} else {
		// Going to sleep...
		// Tell the policy that we started going to sleep.
		final int why = translateOffReason(mInteractiveChangeReason);
		mHandler.post(new Runnable() {
		@Override
		public void run() {
		EventLog.writeEvent(EventLogTags.POWER_SCREEN_STATE, 1, 0, 0, 0);
		mPolicy.wakingUp();
		mPolicy.startedGoingToSleep(why);
		}
		});
		updatePendingBroadcastLocked();
		}
		}
		}

		/**
		* Handle late interactive state changes once they are finished so that the system can
		* finish pending transitions (such as turning the screen off) before causing
		* applications to change state visibly.
		*/
		private void handleLateInteractiveChange() {
		synchronized (mLock) {
		if (mInteractive) {
		// Finished waking up...
		mHandler.post(new Runnable() {
		@Override
		public void run() {
		mPolicy.finishedWakingUp();
		}
		});
		} else {
		// Going to sleep...
		// Finished going to sleep...
		// This is a good time to make transitions that we don't want the user to see,
		// such as bringing the key guard to focus. There's no guarantee for this,
		// such as bringing the key guard to focus. There's no guarantee for this
		// however because the user could turn the device on again at any time.
		// Some things may need to be protected by other mechanisms that defer screen on.
		interactiveChanged = (mActualInteractiveState != INTERACTIVE_STATE_ASLEEP);
		if (interactiveChanged) {
		mActualInteractiveState = INTERACTIVE_STATE_ASLEEP;
		mPendingGoToSleepBroadcast = true;

		// Cancel pending user activity.
		if (mUserActivityPending) {
		mUserActivityPending = false;
		mHandler.removeMessages(MSG_USER_ACTIVITY);
		}

		// Tell the policy we finished going to sleep.
		final int why = translateOffReason(mInteractiveChangeReason);
		mHandler.post(new Runnable() {
		@Override
		public void run() {
		int why = WindowManagerPolicy.OFF_BECAUSE_OF_USER;
		switch (reason) {
		case PowerManager.GO_TO_SLEEP_REASON_DEVICE_ADMIN:
		why = WindowManagerPolicy.OFF_BECAUSE_OF_ADMIN;
		break;
		case PowerManager.GO_TO_SLEEP_REASON_TIMEOUT:
		why = WindowManagerPolicy.OFF_BECAUSE_OF_TIMEOUT;
		break;
		}
		EventLog.writeEvent(EventLogTags.POWER_SCREEN_STATE, 0, why, 0, 0);
		mPolicy.goingToSleep(why);
		mPolicy.finishedGoingToSleep(why);
		}
		});

		// Send non-interactive broadcast.
		mPendingInteractiveState = INTERACTIVE_STATE_ASLEEP;
		mPendingGoToSleepBroadcast = true;
		updatePendingBroadcastLocked();
		}
		}
		}

		// Notify battery stats.
		if (interactiveChanged) {
		try {
		mBatteryStats.noteInteractive(interactive);
		} catch (RemoteException ex) { }
		private static int translateOffReason(int reason) {
		switch (reason) {
		case PowerManager.GO_TO_SLEEP_REASON_DEVICE_ADMIN:
		return WindowManagerPolicy.OFF_BECAUSE_OF_ADMIN;
		case PowerManager.GO_TO_SLEEP_REASON_TIMEOUT:
		return WindowManagerPolicy.OFF_BECAUSE_OF_TIMEOUT;
		default:
		return WindowManagerPolicy.OFF_BECAUSE_OF_USER;
		}
		}

		@@ -367,6 +414,7 @@ final class Notifier {
		msg.setAsynchronous(true);
		mHandler.sendMessage(msg);
		}

		/**
		* Called when there has been user activity.
		*/
		@@ -407,9 +455,9 @@ final class Notifier {

		private void updatePendingBroadcastLocked() {
		if (!mBroadcastInProgress
		&& mActualInteractiveState != INTERACTIVE_STATE_UNKNOWN
		&& mPendingInteractiveState != INTERACTIVE_STATE_UNKNOWN
		&& (mPendingWakeUpBroadcast \|\| mPendingGoToSleepBroadcast
		\|\| mActualInteractiveState != mBroadcastedInteractiveState)) {
		\|\| mPendingInteractiveState != mBroadcastedInteractiveState)) {
		mBroadcastInProgress = true;
		mSuspendBlocker.acquire();
		Message msg = mHandler.obtainMessage(MSG_BROADCAST);
		@@ -444,7 +492,7 @@ final class Notifier {
		} else if (mBroadcastedInteractiveState == INTERACTIVE_STATE_AWAKE) {
		// Broadcasted power state is awake. Send asleep if needed.
		if (mPendingWakeUpBroadcast \|\| mPendingGoToSleepBroadcast
		\|\| mActualInteractiveState == INTERACTIVE_STATE_ASLEEP) {
		\|\| mPendingInteractiveState == INTERACTIVE_STATE_ASLEEP) {
		mPendingGoToSleepBroadcast = false;
		mBroadcastedInteractiveState = INTERACTIVE_STATE_ASLEEP;
		} else {
		@@ -454,7 +502,7 @@ final class Notifier {
		} else {
		// Broadcasted power state is asleep. Send awake if needed.
		if (mPendingWakeUpBroadcast \|\| mPendingGoToSleepBroadcast
		\|\| mActualInteractiveState == INTERACTIVE_STATE_AWAKE) {
		\|\| mPendingInteractiveState == INTERACTIVE_STATE_AWAKE) {
		mPendingWakeUpBroadcast = false;
		mBroadcastedInteractiveState = INTERACTIVE_STATE_AWAKE;
		} else {

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

+8 −8

Original line number	Diff line number	Diff line
		@@ -1217,8 +1217,6 @@ public final class PowerManagerService extends SystemService

		private void setWakefulnessLocked(int wakefulness, int reason) {
		if (mWakefulness != wakefulness) {
		finishWakefulnessChangeLocked();

		mWakefulness = wakefulness;
		mWakefulnessChanging = true;
		mDirty \|= DIRTY_WAKEFULNESS;
		@@ -1226,10 +1224,14 @@ public final class PowerManagerService extends SystemService
		}
		}

		private void finishWakefulnessChangeLocked() {
		if (mWakefulnessChanging) {
		mNotifier.onWakefulnessChangeFinished(mWakefulness);
		private void finishWakefulnessChangeIfNeededLocked() {
		if (mWakefulnessChanging && mDisplayReady) {
		if (mWakefulness == WAKEFULNESS_DOZING
		&& (mWakeLockSummary & WAKE_LOCK_DOZE) == 0) {
		return; // wait until dream has enabled dozing
		}
		mWakefulnessChanging = false;
		mNotifier.onWakefulnessChangeFinished();
		}
		}

		@@ -1280,9 +1282,7 @@ public final class PowerManagerService extends SystemService
		updateDreamLocked(dirtyPhase2, displayBecameReady);

		// Phase 4: Send notifications, if needed.
		if (mDisplayReady) {
		finishWakefulnessChangeLocked();
		}
		finishWakefulnessChangeIfNeededLocked();

		// Phase 5: Update suspend blocker.
		// Because we might release the last suspend blocker here, we need to make sure