[RCS] Enable/Disable UCE capability after RcsFeature created am: 12a4f89360 (4fbdb2d5) · Commits · e / os / frameworks_opt_net_ims

src/java/com/android/ims/FeatureConnection.java

+67 −4

Original line number	Diff line number	Diff line
		@@ -11,11 +11,12 @@
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License
		* limitations under the License.
		*/

		package com.android.ims;

		import android.annotation.Nullable;
		import android.content.Context;
		import android.os.Handler;
		import android.os.IBinder;
		@@ -24,14 +25,14 @@ import android.os.RemoteException;
		import android.telephony.TelephonyManager;
		import android.telephony.ims.aidl.IImsMmTelFeature;
		import android.telephony.ims.aidl.IImsRcsFeature;
		import android.telephony.ims.aidl.IImsRegistration;
		import android.telephony.ims.feature.ImsFeature;
		import android.telephony.ims.stub.ImsRegistrationImplBase;
		import android.telephony.Rlog;
		import android.telephony.SubscriptionManager;
		import android.util.Log;

		import com.android.internal.annotations.VisibleForTesting;
		import com.android.ims.internal.IImsServiceFeatureCallback;
		import com.android.ims.MmTelFeatureConnection.IFeatureUpdate;

		import java.util.concurrent.Executor;

		@@ -41,6 +42,20 @@ import java.util.concurrent.Executor;
		public abstract class FeatureConnection {
		protected static final String TAG = "FeatureConnection";

		public interface IFeatureUpdate {
		/**
		* Called when the ImsFeature has changed its state. Use
		* {@link ImsFeature#getFeatureState()} to get the new state.
		*/
		void notifyStateChanged();

		/**
		* Called when the ImsFeature has become unavailable due to the binder switching or app
		* crashing. A new ImsServiceProxy should be requested for that feature.
		*/
		void notifyUnavailable();
		}

		protected static boolean sImsSupportedOnDevice = true;

		protected final int mSlotId;
		@@ -55,6 +70,7 @@ public abstract class FeatureConnection {
		// ImsFeature Status from the ImsService. Cached.
		protected Integer mFeatureStateCached = null;
		protected IFeatureUpdate mStatusCallback;
		protected IImsRegistration mRegistrationBinder;
		protected final Object mLock = new Object();

		public FeatureConnection(Context context, int slotId, int featureType) {
		@@ -78,6 +94,10 @@ public abstract class FeatureConnection {
		return (TelephonyManager) mContext.getSystemService(Context.TELEPHONY_SERVICE);
		}

		/**
		* Set the binder which type is IImsMmTelFeature or IImsRcsFeature to connect to MmTelFeature
		* or RcsFeature.
		*/
		public void setBinder(IBinder binder) {
		synchronized (mLock) {
		mBinder = binder;
		@@ -110,6 +130,7 @@ public abstract class FeatureConnection {
		synchronized (mLock) {
		if (mIsAvailable) {
		mIsAvailable = false;
		mRegistrationBinder = null;
		if (mBinder != null) {
		mBinder.unlinkToDeath(mDeathRecipient, 0);
		}
		@@ -120,11 +141,22 @@ public abstract class FeatureConnection {
		}
		}

		/**
		* The listener for ImsManger and RcsFeatureManager to receive IMS feature status changed.
		* @param callback Callback that will fire when the feature status has changed.
		*/
		public void setStatusCallback(IFeatureUpdate callback) {
		mStatusCallback = callback;
		}

		@VisibleForTesting
		public IImsServiceFeatureCallback getListener() {
		return mListenerBinder;
		}

		/**
		* The callback to receive ImsFeature status changed.
		*/
		private final IImsServiceFeatureCallback mListenerBinder =
		new IImsServiceFeatureCallback.Stub() {
		@Override
		@@ -151,6 +183,37 @@ public abstract class FeatureConnection {
		protected abstract void handleImsFeatureRemovedCallback(int slotId, int feature);
		protected abstract void handleImsStatusChangedCallback(int slotId, int feature, int status);

		public @ImsRegistrationImplBase.ImsRegistrationTech int getRegistrationTech()
		throws RemoteException {
		IImsRegistration registration = getRegistration();
		if (registration != null) {
		return registration.getRegistrationTechnology();
		} else {
		return ImsRegistrationImplBase.REGISTRATION_TECH_NONE;
		}
		}

		protected @Nullable IImsRegistration getRegistration() {
		synchronized (mLock) {
		// null if cache is invalid;
		if (mRegistrationBinder != null) {
		return mRegistrationBinder;
		}
		}
		TelephonyManager tm = getTelephonyManager();
		// We don't want to synchronize on a binder call to another process.
		IImsRegistration regBinder = tm != null
		? tm.getImsRegistration(mSlotId, mFeatureType) : null;
		synchronized (mLock) {
		// mRegistrationBinder may have changed while we tried to get the registration
		// interface.
		if (mRegistrationBinder == null) {
		mRegistrationBinder = regBinder;
		}
		}
		return mRegistrationBinder;
		}

		protected void checkServiceIsReady() throws RemoteException {
		if (!sImsSupportedOnDevice) {
		throw new RemoteException("IMS is not supported on this device.");

src/java/com/android/ims/FeatureConnector.java

0 → 100644

+288 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (c) 2019 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package com.android.ims;

		import android.content.Context;
		import android.os.Handler;
		import android.os.Looper;
		import android.telephony.ims.feature.ImsFeature;
		import android.util.Log;

		import com.android.internal.annotations.VisibleForTesting;

		import java.util.concurrent.Executor;

		/**
		* Helper class for managing a connection to the ImsFeature manager.
		*/
		public class FeatureConnector<T extends IFeatureConnector> extends Handler {
		private static final String TAG = "FeatureConnector";

		// Initial condition for ims connection retry.
		private static final int IMS_RETRY_STARTING_TIMEOUT_MS = 500; // ms

		// Ceiling bitshift amount for service query timeout, calculated as:
		// 2^mImsServiceRetryCount * IMS_RETRY_STARTING_TIMEOUT_MS, where
		// mImsServiceRetryCount ∊ [0, CEILING_SERVICE_RETRY_COUNT].
		private static final int CEILING_SERVICE_RETRY_COUNT = 6;

		public interface Listener<T> {
		/**
		* Check if ImsFeature supported
		*/
		boolean isSupported();

		/**
		* Get ImsFeature manager instance
		*/
		T getFeatureManager();

		/**
		* ImsFeature manager is connected to the underlying IMS implementation.
		*/
		void connectionReady(T manager) throws ImsException;

		/**
		* The underlying IMS implementation is unavailable and can not be used to communicate.
		*/
		void connectionUnavailable();
		}

		public interface RetryTimeout {
		int get();
		}

		protected final int mPhoneId;
		protected final Context mContext;
		protected final Executor mExecutor;
		protected final Object mLock = new Object();
		protected final String mLogPrefix;

		@VisibleForTesting
		public Listener mListener;

		// The IMS feature manager which interacts with ImsService
		@VisibleForTesting
		public T mManager;

		protected int mRetryCount = 0;

		@VisibleForTesting
		public RetryTimeout mRetryTimeout = () -> {
		synchronized (mLock) {
		int timeout = (1 << mRetryCount) * IMS_RETRY_STARTING_TIMEOUT_MS;
		if (mRetryCount <= CEILING_SERVICE_RETRY_COUNT) {
		mRetryCount++;
		}
		return timeout;
		}
		};

		public FeatureConnector(Context context, int phoneId, Listener listener) {
		mContext = context;
		mPhoneId = phoneId;
		mListener = listener;
		mExecutor = new HandlerExecutor(this);
		mLogPrefix = "?";
		}

		public FeatureConnector(Context context, int phoneId, Listener listener,
		String logPrefix) {
		mContext = context;
		mPhoneId = phoneId;
		mListener = listener;
		mExecutor = new HandlerExecutor(this);
		mLogPrefix = logPrefix;
		}

		@VisibleForTesting
		public FeatureConnector(Context context, int phoneId, Listener listener,
		Executor executor, String logPrefix) {
		mContext = context;
		mPhoneId = phoneId;
		mListener= listener;
		mExecutor = executor;
		mLogPrefix = logPrefix;
		}

		@VisibleForTesting
		public FeatureConnector(Context context, int phoneId, Listener listener,
		Executor executor, Looper looper) {
		super(looper);
		mContext = context;
		mPhoneId = phoneId;
		mListener= listener;
		mExecutor = executor;
		mLogPrefix = "?";
		}

		/**
		* Start the creation of a connection to the underlying ImsService implementation. When the
		* service is connected, {@link FeatureConnector.Listener#connectionReady(T manager)} will be
		* called with an active instance.
		*
		* If this device does not support an ImsStack (i.e. doesn't support
		* {@link PackageManager#FEATURE_TELEPHONY_IMS} feature), this method will do nothing.
		*/
		public void connect() {
		Log.i(TAG, "connect");
		if (!isSupported()) {
		Log.i(TAG, "connect: NOT support!");
		return;
		}
		mRetryCount = 0;
		// Send a message to connect to the Ims Service and open a connection through
		// getImsService().
		post(mGetServiceRunnable);
		}

		// Check if this ImsFeature is supported or not.
		private boolean isSupported() {
		return mListener.isSupported();
		}

		/**
		* Disconnect from the ImsService Implementation and clean up. When this is complete,
		* {@link FeatureConnector.Listener#connectionUnavailable()} will be called one last time.
		*/
		public void disconnect() {
		Log.i(TAG, "disconnect");
		removeCallbacks(mGetServiceRunnable);
		synchronized (mLock) {
		if (mManager != null) {
		mManager.removeNotifyStatusChangedCallback(mNotifyStatusChangedCallback);
		}
		}
		notifyNotReady();
		}

		private final Runnable mGetServiceRunnable = () -> {
		try {
		createImsService();
		} catch (ImsException e) {
		retryGetImsService();
		}
		};

		@VisibleForTesting
		public void createImsService() throws ImsException {
		synchronized (mLock) {
		Log.d(TAG, "createImsService");
		mManager = (T) mListener.getFeatureManager();
		// Adding to set, will be safe adding multiple times. If the ImsService is not
		// active yet, this method will throw an ImsException.
		mManager.addNotifyStatusChangedCallbackIfAvailable(mNotifyStatusChangedCallback);
		}
		// Wait for ImsService.STATE_READY to start listening for calls.
		// Call the callback right away for compatibility with older devices that do not use
		// states.
		mNotifyStatusChangedCallback.notifyStateChanged();
		}

		/**
		* Remove callback and re-running mGetServiceRunnable
		*/
		public void retryGetImsService() {
		if (mManager != null) {
		// remove callback so we do not receive updates from old ImsServiceProxy when
		// switching between ImsServices.
		mManager.removeNotifyStatusChangedCallback(mNotifyStatusChangedCallback);
		//Leave mImsManager as null, then CallStateException will be thrown when dialing
		mManager = null;
		}

		// Exponential backoff during retry, limited to 32 seconds.
		removeCallbacks(mGetServiceRunnable);
		int timeout = mRetryTimeout.get();
		postDelayed(mGetServiceRunnable, timeout);
		Log.i(TAG, getLogMessage("retryGetImsService: unavailable, retrying in " + timeout
		+ " seconds"));
		}

		// Callback fires when IMS Feature changes state
		public FeatureConnection.IFeatureUpdate mNotifyStatusChangedCallback =
		new FeatureConnection.IFeatureUpdate() {
		@Override
		public void notifyStateChanged() {
		mExecutor.execute(() -> {
		try {
		int status = ImsFeature.STATE_UNAVAILABLE;
		synchronized (mLock) {
		if (mManager != null) {
		status = mManager.getImsServiceState();
		}
		}
		switch (status) {
		case ImsFeature.STATE_READY: {
		notifyReady();
		break;
		}
		case ImsFeature.STATE_INITIALIZING:
		// fall through
		case ImsFeature.STATE_UNAVAILABLE: {
		notifyNotReady();
		break;
		}
		default: {
		Log.w(TAG, "Unexpected State!");
		}
		}
		} catch (ImsException e) {
		// Could not get the ImsService, retry!
		notifyNotReady();
		retryGetImsService();
		}
		});
		}

		@Override
		public void notifyUnavailable() {
		mExecutor.execute(() -> {
		notifyNotReady();
		retryGetImsService();
		});
		}
		};

		private void notifyReady() throws ImsException {
		T manager;
		synchronized (mLock) {
		manager = mManager;
		}
		try {
		Log.i(TAG, "notifyReady");
		mListener.connectionReady(manager);
		}
		catch (ImsException e) {
		Log.w(TAG, getLogMessage("notifyReady exception: " + e.getMessage()));
		throw e;
		}
		// Only reset retry count if connectionReady does not generate an ImsException/
		synchronized (mLock) {
		mRetryCount = 0;
		}
		}

		protected void notifyNotReady() {
		Log.i(TAG, "notifyNotReady");
		mListener.connectionUnavailable();
		}

		protected String getLogMessage(String message) {
		return "Connector-[" + mLogPrefix + "] " + message;
		}
		}

src/java/com/android/ims/IFeatureConnector.java

0 → 100644

+24 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (c) 2019 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package com.android.ims;

		public interface IFeatureConnector {
		int getImsServiceState() throws ImsException;
		void addNotifyStatusChangedCallbackIfAvailable(FeatureConnection.IFeatureUpdate callback)
		throws ImsException;
		void removeNotifyStatusChangedCallback(FeatureConnection.IFeatureUpdate callback);
		}
		No newline at end of file

src/java/com/android/ims/ImsManager.java

+10 −230

File changed.

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src/java/com/android/ims/MmTelFeatureConnection.java

+0 −54

Original line number	Diff line number	Diff line
		@@ -414,13 +414,11 @@ public class MmTelFeatureConnection extends FeatureConnection {
		}
		}

		private IFeatureUpdate mStatusCallback;
		// Updated by IImsServiceFeatureCallback when FEATURE_EMERGENCY_MMTEL is sent.
		private boolean mSupportsEmergencyCalling = false;

		// Cache the Registration and Config interfaces as long as the MmTel feature is connected. If
		// it becomes disconnected, invalidate.
		private IImsRegistration mRegistrationBinder;
		private IImsConfig mConfigBinder;
		private final ImsRegistrationCallbackAdapter mRegistrationCallbackManager;
		private final CapabilityCallbackManager mCapabilityCallbackManager;
		@@ -454,20 +452,6 @@ public class MmTelFeatureConnection extends FeatureConnection {
		return serviceProxy;
		}

		public interface IFeatureUpdate {
		/**
		* Called when the ImsFeature has changed its state. Use
		* {@link ImsFeature#getFeatureState()} to get the new state.
		*/
		void notifyStateChanged();

		/**
		* Called when the ImsFeature has become unavailable due to the binder switching or app
		* crashing. A new ImsServiceProxy should be requested for that feature.
		*/
		void notifyUnavailable();
		}

		public MmTelFeatureConnection(Context context, int slotId) {
		super(context, slotId, ImsFeature.FEATURE_MMTEL);

		@@ -497,27 +481,6 @@ public class MmTelFeatureConnection extends FeatureConnection {
		}
		}

		private @Nullable IImsRegistration getRegistration() {
		synchronized (mLock) {
		// null if cache is invalid;
		if (mRegistrationBinder != null) {
		return mRegistrationBinder;
		}
		}
		TelephonyManager tm = getTelephonyManager();
		// We don't want to synchronize on a binder call to another process.
		IImsRegistration regBinder = tm != null
		? tm.getImsRegistration(mSlotId, ImsFeature.FEATURE_MMTEL) : null;
		synchronized (mLock) {
		// mRegistrationBinder may have changed while we tried to get the registration
		// interface.
		if (mRegistrationBinder == null) {
		mRegistrationBinder = regBinder;
		}
		}
		return mRegistrationBinder;
		}

		private IImsConfig getConfig() {
		synchronized (mLock) {
		// null if cache is invalid;
		@@ -729,16 +692,6 @@ public class MmTelFeatureConnection extends FeatureConnection {
		return getConfig();
		}

		public @ImsRegistrationImplBase.ImsRegistrationTech int getRegistrationTech()
		throws RemoteException {
		IImsRegistration registration = getRegistration();
		if (registration != null) {
		return registration.getRegistrationTechnology();
		} else {
		return ImsRegistrationImplBase.REGISTRATION_TECH_NONE;
		}
		}

		public IImsEcbm getEcbmInterface() throws RemoteException {
		synchronized (mLock) {
		checkServiceIsReady();
		@@ -820,13 +773,6 @@ public class MmTelFeatureConnection extends FeatureConnection {
		}
		}

		/**
		* @param c Callback that will fire when the feature status has changed.
		*/
		public void setStatusCallback(IFeatureUpdate c) {
		mStatusCallback = c;
		}

		@Override
		protected Integer retrieveFeatureState() {
		if (mBinder != null) {