Added implementation for time zone change notifications (13198e7a) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/timezonedetector/NotifyingTimeZoneChangeListener.java

0 → 100644

+649 −0

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services/core/java/com/android/server/timezonedetector/TimeZoneChangeListener.java

+24 −0

Original line number	Diff line number	Diff line
		@@ -102,5 +102,29 @@ public interface TimeZoneChangeListener {
		+ ", mCause='" + mCause + '\''
		+ '}';
		}

		@Override
		public boolean equals(Object o) {
		if (this == o) {
		return true;
		}
		if (o instanceof TimeZoneChangeEvent that) {
		return mElapsedRealtimeMillis == that.mElapsedRealtimeMillis
		&& mUnixEpochTimeMillis == that.mUnixEpochTimeMillis
		&& mOrigin == that.mOrigin
		&& mUserId == that.mUserId
		&& Objects.equals(mOldZoneId, that.mOldZoneId)
		&& Objects.equals(mNewZoneId, that.mNewZoneId)
		&& mNewConfidence == that.mNewConfidence
		&& Objects.equals(mCause, that.mCause);
		}
		return false;
		}

		@Override
		public int hashCode() {
		return Objects.hash(mElapsedRealtimeMillis, mUnixEpochTimeMillis, mOrigin, mUserId,
		mOldZoneId, mNewZoneId, mNewConfidence, mCause);
		}
		}
		}

services/core/java/com/android/server/timezonedetector/TimeZoneDetectorStrategyImpl.java

+35 −2

Original line number	Diff line number	Diff line
		@@ -42,6 +42,7 @@ import android.app.timezonedetector.ManualTimeZoneSuggestion;
		import android.app.timezonedetector.TelephonyTimeZoneSuggestion;
		import android.content.Context;
		import android.os.Handler;
		import android.os.SystemClock;
		import android.os.TimestampedValue;
		import android.os.UserHandle;
		import android.util.IndentingPrintWriter;
		@@ -50,6 +51,7 @@ import android.util.Slog;
		import com.android.internal.annotations.GuardedBy;
		import com.android.internal.annotations.VisibleForTesting;
		import com.android.server.SystemTimeZone.TimeZoneConfidence;
		import com.android.server.flags.Flags;
		import com.android.server.timezonedetector.ConfigurationInternal.DetectionMode;

		import java.io.PrintWriter;
		@@ -214,6 +216,13 @@ public final class TimeZoneDetectorStrategyImpl implements TimeZoneDetectorStrat
		@NonNull
		private final List<StateChangeListener> mStateChangeListeners = new ArrayList<>();

		/**
		* A component adjunct to the detection behavior that tracks time zone changes and implements
		* behavior associated with time zone changes.
		*/
		@NonNull
		private final TimeZoneChangeListener mChangeTracker;

		/**
		* A snapshot of the current detector status. A local copy is cached because it is relatively
		* heavyweight to obtain and is used more often than it is expected to change.
		@@ -256,15 +265,20 @@ public final class TimeZoneDetectorStrategyImpl implements TimeZoneDetectorStrat
		@NonNull ServiceConfigAccessor serviceConfigAccessor) {

		Environment environment = new EnvironmentImpl(handler);
		return new TimeZoneDetectorStrategyImpl(serviceConfigAccessor, environment);
		TimeZoneChangeListener changeEventTracker =
		NotifyingTimeZoneChangeListener.create(handler, context, serviceConfigAccessor);
		return new TimeZoneDetectorStrategyImpl(
		serviceConfigAccessor, environment, changeEventTracker);
		}

		@VisibleForTesting
		public TimeZoneDetectorStrategyImpl(
		@NonNull ServiceConfigAccessor serviceConfigAccessor,
		@NonNull Environment environment) {
		@NonNull Environment environment,
		@NonNull TimeZoneChangeListener changeEventTracker) {
		mEnvironment = Objects.requireNonNull(environment);
		mServiceConfigAccessor = Objects.requireNonNull(serviceConfigAccessor);
		mChangeTracker = Objects.requireNonNull(changeEventTracker);

		// Start with telephony fallback enabled.
		mTelephonyTimeZoneFallbackEnabled =
		@@ -833,6 +847,17 @@ public final class TimeZoneDetectorStrategyImpl implements TimeZoneDetectorStrat
		Slog.d(LOG_TAG, logInfo);
		}
		mEnvironment.setDeviceTimeZoneAndConfidence(newZoneId, newConfidence, logInfo);

		if (Flags.datetimeNotifications()) {
		// Record the fact that the time zone was changed so that it can be tracked, i.e.
		// whether the device / user sticks with it.
		TimeZoneChangeListener.TimeZoneChangeEvent changeEvent =
		new TimeZoneChangeListener.TimeZoneChangeEvent(
		SystemClock.elapsedRealtime(), System.currentTimeMillis(), origin,
		userId,
		currentZoneId, newZoneId, newConfidence, cause);
		mChangeTracker.process(changeEvent);
		}
		}

		@GuardedBy("this")
		@@ -947,6 +972,14 @@ public final class TimeZoneDetectorStrategyImpl implements TimeZoneDetectorStrat
		ipw.increaseIndent(); // level 2
		mTelephonySuggestionsBySlotIndex.dump(ipw);
		ipw.decreaseIndent(); // level 2

		if (Flags.datetimeNotifications()) {
		ipw.println("Time zone change tracker:");
		ipw.increaseIndent(); // level 2
		mChangeTracker.dump(ipw);
		ipw.decreaseIndent(); // level 2
		}

		ipw.decreaseIndent(); // level 1
		}

services/tests/timetests/src/com/android/server/timezonedetector/NotifyingTimeZoneChangeListenerTest.java

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+527 −0

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services/tests/timetests/src/com/android/server/timezonedetector/TimeZoneDetectorStrategyImplTest.java

+285 −1

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