[RCS] Initialize RcsFeatureManager and RcsFeatureConnection instance am: 79e54d9407 am: b72a24c7b8 (40ff4e23) · Commits · e / os / frameworks_opt_net_ims

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

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+210 −0

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		/*
		* 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.IBinder;
		import android.os.Looper;
		import android.os.RemoteException;
		import android.telephony.TelephonyManager;
		import android.telephony.ims.aidl.IImsMmTelFeature;
		import android.telephony.ims.aidl.IImsRcsFeature;
		import android.telephony.ims.feature.ImsFeature;
		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;

		/**
		* Base class of MmTelFeatureConnection and RcsFeatureConnection.
		*/
		public abstract class FeatureConnection {
		protected static final String TAG = "FeatureConnection";

		protected static boolean sImsSupportedOnDevice = true;

		protected final int mSlotId;
		protected final int mFeatureType;
		protected Context mContext;
		protected IBinder mBinder;
		@VisibleForTesting
		public Executor mExecutor;

		// We are assuming the feature is available when started.
		protected volatile boolean mIsAvailable = true;
		// ImsFeature Status from the ImsService. Cached.
		protected Integer mFeatureStateCached = null;
		protected IFeatureUpdate mStatusCallback;
		protected final Object mLock = new Object();

		public FeatureConnection(Context context, int slotId, int featureType) {
		mSlotId = slotId;
		mContext = context;
		mFeatureType = featureType;

		// Callbacks should be scheduled on the main thread.
		if (context.getMainLooper() != null) {
		mExecutor = context.getMainExecutor();
		} else {
		// Fallback to the current thread.
		if (Looper.myLooper() == null) {
		Looper.prepare();
		}
		mExecutor = new HandlerExecutor(new Handler(Looper.myLooper()));
		}
		}

		protected TelephonyManager getTelephonyManager() {
		return (TelephonyManager) mContext.getSystemService(Context.TELEPHONY_SERVICE);
		}

		public void setBinder(IBinder binder) {
		synchronized (mLock) {
		mBinder = binder;
		try {
		if (mBinder != null) {
		mBinder.linkToDeath(mDeathRecipient, 0);
		}
		} catch (RemoteException e) {
		// No need to do anything if the binder is already dead.
		}
		}
		}

		protected final IBinder.DeathRecipient mDeathRecipient = () -> {
		Log.w(TAG, "DeathRecipient triggered, binder died.");
		if (mContext != null && Looper.getMainLooper() != null) {
		// Move this signal to the main thread, notifying ImsManager of the Binder
		// death on another thread may lead to deadlocks.
		mContext.getMainExecutor().execute(this::onRemovedOrDied);
		return;
		}
		// No choice - execute on the current Binder thread.
		onRemovedOrDied();
		};

		/**
		* Called when the MmTelFeature/RcsFeature has either been removed by Telephony or crashed.
		*/
		protected void onRemovedOrDied() {
		synchronized (mLock) {
		if (mIsAvailable) {
		mIsAvailable = false;
		if (mBinder != null) {
		mBinder.unlinkToDeath(mDeathRecipient, 0);
		}
		if (mStatusCallback != null) {
		mStatusCallback.notifyUnavailable();
		}
		}
		}
		}

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

		private final IImsServiceFeatureCallback mListenerBinder =
		new IImsServiceFeatureCallback.Stub() {
		@Override
		public void imsFeatureCreated(int slotId, int feature) {
		mExecutor.execute(() -> {
		handleImsFeatureCreatedCallback(slotId, feature);
		});
		}
		@Override
		public void imsFeatureRemoved(int slotId, int feature) {
		mExecutor.execute(() -> {
		handleImsFeatureRemovedCallback(slotId, feature);
		});
		}
		@Override
		public void imsStatusChanged(int slotId, int feature, int status) {
		mExecutor.execute(() -> {
		handleImsStatusChangedCallback(slotId, feature, status);
		});
		}
		};

		protected abstract void handleImsFeatureCreatedCallback(int slotId, int feature);
		protected abstract void handleImsFeatureRemovedCallback(int slotId, int feature);
		protected abstract void handleImsStatusChangedCallback(int slotId, int feature, int status);

		protected void checkServiceIsReady() throws RemoteException {
		if (!sImsSupportedOnDevice) {
		throw new RemoteException("IMS is not supported on this device.");
		}
		if (!isBinderReady()) {
		throw new RemoteException("ImsServiceProxy is not ready to accept commands.");
		}
		}

		/**
		* @return Returns true if the ImsService is ready to take commands, false otherwise. If this
		* method returns false, it doesn't mean that the Binder connection is not available (use
		* {@link #isBinderReady()} to check that), but that the ImsService is not accepting commands
		* at this time.
		*
		* For example, for DSDS devices, only one slot can be {@link ImsFeature#STATE_READY} to take
		* commands at a time, so the other slot must stay at {@link ImsFeature#STATE_UNAVAILABLE}.
		*/
		public boolean isBinderReady() {
		return isBinderAlive() && getFeatureState() == ImsFeature.STATE_READY;
		}

		/**
		* @return false if the binder connection is no longer alive.
		*/
		public boolean isBinderAlive() {
		return mIsAvailable && mBinder != null && mBinder.isBinderAlive();
		}

		/**
		* @return an integer describing the current Feature Status, defined in
		* {@link ImsFeature.ImsState}.
		*/
		public int getFeatureState() {
		synchronized (mLock) {
		if (isBinderAlive() && mFeatureStateCached != null) {
		return mFeatureStateCached;
		}
		}
		// Don't synchronize on Binder call.
		Integer state = retrieveFeatureState();
		synchronized (mLock) {
		if (state == null) {
		return ImsFeature.STATE_UNAVAILABLE;
		}
		// Cache only non-null value for feature status.
		mFeatureStateCached = state;
		}
		Log.i(TAG, "getFeatureState - returning " + ImsFeature.STATE_LOG_MAP.get(state));
		return state;
		}

		/**
		* Internal method used to retrieve the feature status from the corresponding ImsService.
		*/
		protected abstract Integer retrieveFeatureState();
		}

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

+69 −193

Original line number	Diff line number	Diff line
		@@ -19,7 +19,6 @@ package com.android.ims;
		import android.annotation.NonNull;
		import android.annotation.Nullable;
		import android.content.Context;
		import android.os.Handler;
		import android.os.IBinder;
		import android.os.IInterface;
		import android.os.Looper;
		@@ -58,16 +57,14 @@ import java.util.ArrayList;
		import java.util.Collections;
		import java.util.List;
		import java.util.Set;
		import java.util.concurrent.Executor;
		import java.util.stream.Collectors;

		/**
		* A container of the IImsServiceController binder, which implements all of the ImsFeatures that
		* the platform currently supports: MMTel and RCS.
		* @hide
		* the platform currently supports: MMTel
		*/

		public class MmTelFeatureConnection {
		public class MmTelFeatureConnection extends FeatureConnection {
		protected static final String TAG = "MmTelFeatureConnection";

		// Manages callbacks to the associated MmTelFeature in mMmTelFeatureConnection.
		@@ -417,38 +414,14 @@ public class MmTelFeatureConnection {
		}
		}

		protected final int mSlotId;
		protected IBinder mBinder;
		private Context mContext;
		private Executor mExecutor;

		// We are assuming the feature is available when started.
		private volatile boolean mIsAvailable = true;
		// ImsFeature Status from the ImsService. Cached.
		private Integer mFeatureStateCached = null;
		private IFeatureUpdate mStatusCallback;
		private final Object mLock = new Object();
		// Updated by IImsServiceFeatureCallback when FEATURE_EMERGENCY_MMTEL is sent.
		private boolean mSupportsEmergencyCalling = false;
		private static boolean sImsSupportedOnDevice = true;

		// 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 IBinder.DeathRecipient mDeathRecipient = () -> {
		Log.w(TAG, "DeathRecipient triggered, binder died.");
		if (mContext != null && Looper.getMainLooper() != null) {
		// Move this signal to the main thread, notifying ImsManager of the Binder
		// death on another thread may lead to deadlocks.
		mContext.getMainExecutor().execute(this::onRemovedOrDied);
		return;
		}
		// No choice - execute on the current Binder thread.
		onRemovedOrDied();
		};

		private final ImsRegistrationCallbackAdapter mRegistrationCallbackManager;
		private final CapabilityCallbackManager mCapabilityCallbackManager;
		private final ProvisioningCallbackManager mProvisioningCallbackManager;
		@@ -461,7 +434,7 @@ public class MmTelFeatureConnection {
		return serviceProxy;
		}

		TelephonyManager tm = getTelephonyManager(context);
		TelephonyManager tm = serviceProxy.getTelephonyManager();
		if (tm == null) {
		Rlog.w(TAG, "create: TelephonyManager is null!");
		// Binder can be unset in this case because it will be torn down/recreated as part of
		@@ -481,10 +454,6 @@ public class MmTelFeatureConnection {
		return serviceProxy;
		}

		public static TelephonyManager getTelephonyManager(Context context) {
		return (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
		}

		public interface IFeatureUpdate {
		/**
		* Called when the ImsFeature has changed its state. Use
		@@ -499,99 +468,16 @@ public class MmTelFeatureConnection {
		void notifyUnavailable();
		}

		private final IImsServiceFeatureCallback mListenerBinder =
		new IImsServiceFeatureCallback.Stub() {

		@Override
		public void imsFeatureCreated(int slotId, int feature) {
		mExecutor.execute(() -> {
		// The feature has been enabled. This happens when the feature is first created and
		// may happen when the feature is re-enabled.
		synchronized (mLock) {
		if(mSlotId != slotId) {
		return;
		}
		switch (feature) {
		case ImsFeature.FEATURE_MMTEL: {
		if (!mIsAvailable) {
		Log.i(TAG, "MmTel enabled on slotId: " + slotId);
		mIsAvailable = true;
		}
		break;
		}
		case ImsFeature.FEATURE_EMERGENCY_MMTEL: {
		mSupportsEmergencyCalling = true;
		Log.i(TAG, "Emergency calling enabled on slotId: " + slotId);
		break;
		}
		}
		}
		});
		}

		@Override
		public void imsFeatureRemoved(int slotId, int feature) {
		mExecutor.execute(() -> {
		synchronized (mLock) {
		if (mSlotId != slotId) {
		return;
		}
		switch (feature) {
		case ImsFeature.FEATURE_MMTEL: {
		Log.i(TAG, "MmTel removed on slotId: " + slotId);
		onRemovedOrDied();
		break;
		}
		case ImsFeature.FEATURE_EMERGENCY_MMTEL: {
		mSupportsEmergencyCalling = false;
		Log.i(TAG, "Emergency calling disabled on slotId: " + slotId);
		break;
		}
		}
		}
		});
		}

		@Override
		public void imsStatusChanged(int slotId, int feature, int status) {
		mExecutor.execute(() -> {
		synchronized (mLock) {
		Log.i(TAG, "imsStatusChanged: slot: " + slotId + " feature: "
		+ ImsFeature.FEATURE_LOG_MAP.get(feature) +
		" status: " + ImsFeature.STATE_LOG_MAP.get(status));
		if (mSlotId == slotId && feature == ImsFeature.FEATURE_MMTEL) {
		mFeatureStateCached = status;
		if (mStatusCallback != null) {
		mStatusCallback.notifyStateChanged();
		}
		}
		}
		});
		}
		};

		public MmTelFeatureConnection(Context context, int slotId) {
		mSlotId = slotId;
		mContext = context;
		// Callbacks should be scheduled on the main thread.
		if (context.getMainLooper() != null) {
		mExecutor = context.getMainExecutor();
		} else {
		// Fallback to the current thread.
		if (Looper.myLooper() == null) {
		Looper.prepare();
		}
		mExecutor = new HandlerExecutor(new Handler(Looper.myLooper()));
		}
		super(context, slotId, ImsFeature.FEATURE_MMTEL);

		mRegistrationCallbackManager = new ImsRegistrationCallbackAdapter(context, mLock);
		mCapabilityCallbackManager = new CapabilityCallbackManager(context, mLock);
		mProvisioningCallbackManager = new ProvisioningCallbackManager(context, mLock);
		}

		/**
		* Called when the MmTelFeature has either been removed by Telephony or crashed.
		*/
		private void onRemovedOrDied() {
		@Override
		protected void onRemovedOrDied() {
		synchronized (mLock) {
		mRegistrationCallbackManager.close();
		mCapabilityCallbackManager.close();
		@@ -618,7 +504,7 @@ public class MmTelFeatureConnection {
		return mRegistrationBinder;
		}
		}
		TelephonyManager tm = getTelephonyManager(mContext);
		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;
		@@ -639,7 +525,7 @@ public class MmTelFeatureConnection {
		return mConfigBinder;
		}
		}
		TelephonyManager tm = getTelephonyManager(mContext);
		TelephonyManager tm = getTelephonyManager();
		IImsConfig configBinder = tm != null
		? tm.getImsConfig(mSlotId, ImsFeature.FEATURE_MMTEL) : null;
		synchronized (mLock) {
		@@ -651,27 +537,71 @@ public class MmTelFeatureConnection {
		return mConfigBinder;
		}

		public boolean isEmergencyMmTelAvailable() {
		return mSupportsEmergencyCalling;
		@Override
		protected void handleImsFeatureCreatedCallback(int slotId, int feature) {
		// The feature has been enabled. This happens when the feature is first created and
		// may happen when the feature is re-enabled.
		synchronized (mLock) {
		if(mSlotId != slotId) {
		return;
		}
		switch (feature) {
		case ImsFeature.FEATURE_MMTEL: {
		if (!mIsAvailable) {
		Log.i(TAG, "MmTel enabled on slotId: " + slotId);
		mIsAvailable = true;
		}
		break;
		}
		case ImsFeature.FEATURE_EMERGENCY_MMTEL: {
		mSupportsEmergencyCalling = true;
		Log.i(TAG, "Emergency calling enabled on slotId: " + slotId);
		break;
		}
		}
		}
		}

		public IImsServiceFeatureCallback getListener() {
		return mListenerBinder;
		@Override
		protected void handleImsFeatureRemovedCallback(int slotId, int feature) {
		synchronized (mLock) {
		if (mSlotId != slotId) {
		return;
		}
		switch (feature) {
		case ImsFeature.FEATURE_MMTEL: {
		Log.i(TAG, "MmTel removed on slotId: " + slotId);
		onRemovedOrDied();
		break;
		}
		case ImsFeature.FEATURE_EMERGENCY_MMTEL: {
		mSupportsEmergencyCalling = false;
		Log.i(TAG, "Emergency calling disabled on slotId: " + slotId);
		break;
		}
		}
		}
		}

		public void setBinder(IBinder binder) {
		@Override
		protected void handleImsStatusChangedCallback(int slotId, int feature, int status) {
		synchronized (mLock) {
		mBinder = binder;
		try {
		if (mBinder != null) {
		mBinder.linkToDeath(mDeathRecipient, 0);
		Log.i(TAG, "imsStatusChanged: slot: " + slotId + " feature: "
		+ ImsFeature.FEATURE_LOG_MAP.get(feature) +
		" status: " + ImsFeature.STATE_LOG_MAP.get(status));
		if (mSlotId == slotId && feature == ImsFeature.FEATURE_MMTEL) {
		mFeatureStateCached = status;
		if (mStatusCallback != null) {
		mStatusCallback.notifyStateChanged();
		}
		} catch (RemoteException e) {
		// No need to do anything if the binder is already dead.
		}
		}
		}

		public boolean isEmergencyMmTelAvailable() {
		return mSupportsEmergencyCalling;
		}

		/**
		* Opens the connection to the {@link MmTelFeature} and establishes a listener back to the
		* framework. Calling this method multiple times will reset the listener attached to the
		@@ -891,32 +821,14 @@ public class MmTelFeatureConnection {
		}

		/**
		* @return an integer describing the current Feature Status, defined in
		* {@link ImsFeature.ImsState}.
		* @param c Callback that will fire when the feature status has changed.
		*/
		public int getFeatureState() {
		synchronized (mLock) {
		if (isBinderAlive() && mFeatureStateCached != null) {
		return mFeatureStateCached;
		}
		}
		// Don't synchronize on Binder call.
		Integer state = retrieveFeatureState();
		synchronized (mLock) {
		if (state == null) {
		return ImsFeature.STATE_UNAVAILABLE;
		}
		// Cache only non-null value for feature status.
		mFeatureStateCached = state;
		}
		Log.i(TAG, "getFeatureState - returning " + ImsFeature.STATE_LOG_MAP.get(state));
		return state;
		public void setStatusCallback(IFeatureUpdate c) {
		mStatusCallback = c;
		}

		/**
		* Internal method used to retrieve the feature status from the corresponding ImsService.
		*/
		private Integer retrieveFeatureState() {
		@Override
		protected Integer retrieveFeatureState() {
		if (mBinder != null) {
		try {
		return getServiceInterface(mBinder).getFeatureState();
		@@ -927,42 +839,6 @@ public class MmTelFeatureConnection {
		return null;
		}

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

		/**
		* @return Returns true if the ImsService is ready to take commands, false otherwise. If this
		* method returns false, it doesn't mean that the Binder connection is not available (use
		* {@link #isBinderReady()} to check that), but that the ImsService is not accepting commands
		* at this time.
		*
		* For example, for DSDS devices, only one slot can be {@link ImsFeature#STATE_READY} to take
		* commands at a time, so the other slot must stay at {@link ImsFeature#STATE_UNAVAILABLE}.
		*/
		public boolean isBinderReady() {
		return isBinderAlive() && getFeatureState() == ImsFeature.STATE_READY;
		}

		/**
		* @return false if the binder connection is no longer alive.
		*/
		public boolean isBinderAlive() {
		return mIsAvailable && mBinder != null && mBinder.isBinderAlive();
		}

		private void checkServiceIsReady() throws RemoteException {
		if (!sImsSupportedOnDevice) {
		throw new RemoteException("IMS is not supported on this device.");
		}
		if (!isBinderReady()) {
		throw new RemoteException("ImsServiceProxy is not ready to accept commands.");
		}
		}

		private IImsMmTelFeature getServiceInterface(IBinder b) {
		return IImsMmTelFeature.Stub.asInterface(b);
		}

src/java/com/android/ims/RcsFeatureConnection.java

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src/java/com/android/ims/RcsFeatureManager.java

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