Async initialization LocationTimeZoneProviders (ac26256f) · Commits · e / os / android_frameworks_base

core/res/res/values/config.xml

+15 −8

Original line number	Diff line number	Diff line
		@@ -1605,21 +1605,28 @@
		<!-- Whether the geolocation time zone detection feature is enabled. -->
		<bool name="config_enableGeolocationTimeZoneDetection" translatable="false">true</bool>

		<!-- Whether to enable primary location time zone provider overlay which allows the primary
		location time zone provider to be replaced by an app at run-time. When disabled, only the
		<!-- Whether the primary LocationTimeZoneProvider is enabled device.
		Ignored if config_enableGeolocationTimeZoneDetection is false -->
		<bool name="config_enablePrimaryLocationTimeZoneProvider" translatable="false">false</bool>
		<!-- Used when enablePrimaryLocationTimeZoneProvider is true. Controls whether to enable primary
		location time zone provider overlay which allows the primary location time zone provider to
		be replaced by an app at run-time. When disabled, only the
		config_primaryLocationTimeZoneProviderPackageName package will be searched for the primary
		location time zone provider, otherwise any system package is eligible. Anyone who wants to
		disable the overlay mechanism can set it to false. -->
		disable the runtime overlay mechanism can set it to false. -->
		<bool name="config_enablePrimaryLocationTimeZoneOverlay" translatable="false">false</bool>
		<!-- Package name providing the primary location time zone provider. Used only when
		config_enablePrimaryLocationTimeZoneOverlay is false. -->
		<string name="config_primaryLocationTimeZoneProviderPackageName" translatable="false">@null</string>

		<!-- Whether to enable secondary location time zone provider overlay which allows the secondary
		location time zone provider to be replaced by an app at run-time. When disabled, only the
		config_secondaryLocationTimeZoneProviderPackageName package will be searched for the
		secondary location time zone provider, otherwise any system package is eligible. Anyone who
		wants to disable the overlay mechanism can set it to false. -->
		<!-- Whether the secondary LocationTimeZoneProvider is enabled device.
		Ignored if config_enableGeolocationTimeZoneDetection is false -->
		<bool name="config_enableSecondaryLocationTimeZoneProvider" translatable="false">true</bool>
		<!-- Used when enableSecondaryLocationTimeZoneProvider is true. Controls whether to enable
		secondary location time zone provider overlay which allows the primary location time zone
		provider to config_secondaryLocationTimeZoneProviderPackageName package will be searched
		for the secondary location time zone provider, otherwise any system package is eligible.
		Anyone who wants to disable the runtime overlay mechanism can set it to false. -->
		<bool name="config_enableSecondaryLocationTimeZoneOverlay" translatable="false">false</bool>
		<!-- Package name providing the secondary location time zone provider. Used only when
		config_enableSecondaryLocationTimeZoneOverlay is false.

core/res/res/values/symbols.xml

+2 −0

Original line number	Diff line number	Diff line
		@@ -2167,8 +2167,10 @@
		<java-symbol type="string" name="config_persistentDataPackageName" />
		<java-symbol type="string" name="config_deviceConfiguratorPackageName" />
		<java-symbol type="bool" name="config_enableGeolocationTimeZoneDetection" />
		<java-symbol type="bool" name="config_enablePrimaryLocationTimeZoneProvider" />
		<java-symbol type="bool" name="config_enablePrimaryLocationTimeZoneOverlay" />
		<java-symbol type="string" name="config_primaryLocationTimeZoneProviderPackageName" />
		<java-symbol type="bool" name="config_enableSecondaryLocationTimeZoneProvider" />
		<java-symbol type="bool" name="config_enableSecondaryLocationTimeZoneOverlay" />
		<java-symbol type="string" name="config_secondaryLocationTimeZoneProviderPackageName" />

services/core/java/com/android/server/location/timezone/BinderLocationTimeZoneProvider.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -55,7 +55,7 @@ class BinderLocationTimeZoneProvider extends LocationTimeZoneProvider {

		@Override
		void onInitialize() {
		mProxy.setListener(new LocationTimeZoneProviderProxy.Listener() {
		mProxy.initialize(new LocationTimeZoneProviderProxy.Listener() {
		@Override
		public void onReportLocationTimeZoneEvent(
		@NonNull LocationTimeZoneEvent locationTimeZoneEvent) {

services/core/java/com/android/server/location/timezone/LocationTimeZoneManagerService.java

+20 −24

Original line number	Diff line number	Diff line
		@@ -19,6 +19,7 @@ package com.android.server.location.timezone;
		import android.annotation.NonNull;
		import android.annotation.Nullable;
		import android.content.Context;
		import android.content.res.Resources;
		import android.os.Binder;
		import android.os.ResultReceiver;
		import android.os.ShellCallback;
		@@ -27,6 +28,7 @@ import android.util.IndentingPrintWriter;
		import android.util.Log;
		import android.util.Slog;

		import com.android.internal.R;
		import com.android.internal.annotations.GuardedBy;
		import com.android.internal.util.DumpUtils;
		import com.android.server.FgThread;
		@@ -179,36 +181,45 @@ public class LocationTimeZoneManagerService extends Binder {
		}

		private LocationTimeZoneProvider createPrimaryProvider() {
		Resources resources = mContext.getResources();
		if (!resources.getBoolean(R.bool.config_enablePrimaryLocationTimeZoneProvider)) {
		return new NullLocationTimeZoneProvider(mThreadingDomain, PRIMARY_PROVIDER_NAME);
		}

		LocationTimeZoneProviderProxy proxy;
		if (isInSimulationMode(PRIMARY_PROVIDER_NAME)) {
		proxy = new SimulatedLocationTimeZoneProviderProxy(mContext, mThreadingDomain);
		} else {
		proxy = RealLocationTimeZoneProviderProxy.createAndRegister(
		proxy = new RealLocationTimeZoneProviderProxy(
		mContext,
		mThreadingDomain,
		PRIMARY_LOCATION_TIME_ZONE_SERVICE_ACTION,
		com.android.internal.R.bool.config_enablePrimaryLocationTimeZoneOverlay,
		com.android.internal.R.string.config_primaryLocationTimeZoneProviderPackageName
		R.bool.config_enablePrimaryLocationTimeZoneOverlay,
		R.string.config_primaryLocationTimeZoneProviderPackageName
		);
		}
		return createLocationTimeZoneProvider(PRIMARY_PROVIDER_NAME, proxy);
		return new BinderLocationTimeZoneProvider(mThreadingDomain, PRIMARY_PROVIDER_NAME, proxy);
		}

		private LocationTimeZoneProvider createSecondaryProvider() {
		Resources resources = mContext.getResources();
		if (!resources.getBoolean(R.bool.config_enableSecondaryLocationTimeZoneProvider)) {
		return new NullLocationTimeZoneProvider(mThreadingDomain, SECONDARY_PROVIDER_NAME);
		}

		LocationTimeZoneProviderProxy proxy;
		if (isInSimulationMode(SECONDARY_PROVIDER_NAME)) {
		proxy = new SimulatedLocationTimeZoneProviderProxy(mContext, mThreadingDomain);
		} else {
		proxy = RealLocationTimeZoneProviderProxy.createAndRegister(
		proxy = new RealLocationTimeZoneProviderProxy(
		mContext,
		mThreadingDomain,
		SECONDARY_LOCATION_TIME_ZONE_SERVICE_ACTION,
		com.android.internal.R.bool.config_enableSecondaryLocationTimeZoneOverlay,
		com.android.internal.R.string
		.config_secondaryLocationTimeZoneProviderPackageName
		R.bool.config_enableSecondaryLocationTimeZoneOverlay,
		R.string.config_secondaryLocationTimeZoneProviderPackageName
		);
		}
		return createLocationTimeZoneProvider(SECONDARY_PROVIDER_NAME, proxy);
		return new BinderLocationTimeZoneProvider(mThreadingDomain, SECONDARY_PROVIDER_NAME, proxy);
		}

		private boolean isInSimulationMode(String providerName) {
		@@ -216,21 +227,6 @@ public class LocationTimeZoneManagerService extends Binder {
		SIMULATION_MODE_SYSTEM_PROPERTY_PREFIX + providerName, false);
		}

		private LocationTimeZoneProvider createLocationTimeZoneProvider(
		@NonNull String providerName, @NonNull LocationTimeZoneProviderProxy proxy) {
		LocationTimeZoneProvider provider;
		if (proxy != null) {
		debugLog("LocationTimeZoneProvider found for providerName=" + providerName);
		provider = new BinderLocationTimeZoneProvider(mThreadingDomain,
		providerName, proxy);
		} else {
		debugLog("No LocationTimeZoneProvider found for providerName=" + providerName
		+ ": stubbing");
		provider = new NullLocationTimeZoneProvider(mThreadingDomain, providerName);
		}
		return provider;
		}

		@Override
		public void onShellCommand(FileDescriptor in, FileDescriptor out,
		FileDescriptor err, String[] args, ShellCallback callback,

services/core/java/com/android/server/location/timezone/LocationTimeZoneProviderProxy.java

+10 −2

Original line number	Diff line number	Diff line
		@@ -70,9 +70,11 @@ abstract class LocationTimeZoneProviderProxy implements Dumpable {
		}

		/**
		* Sets the listener. The listener can expect to receive all events after this point.
		* Initializes the proxy. The supplied listener can expect to receive all events after this
		* point. This method also calls {@link #onInitialize()} for subclasses to handle their own
		* initialization.
		*/
		void setListener(@NonNull Listener listener) {
		void initialize(@NonNull Listener listener) {
		Objects.requireNonNull(listener);
		synchronized (mSharedLock) {
		if (mListener != null) {
		@@ -80,8 +82,14 @@ abstract class LocationTimeZoneProviderProxy implements Dumpable {
		}
		this.mListener = listener;
		}
		onInitialize();
		}

		/**
		* Initializes the proxy. This is called after {@link #mListener} is set.
		*/
		abstract void onInitialize();

		/**
		* Sets a new request for the provider.
		*/