| /* |
| * Copyright 2014, 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.telecomm; |
| |
| import android.content.ComponentName; |
| |
| import android.net.Uri; |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.os.IBinder; |
| import android.os.Message; |
| import android.os.RemoteException; |
| import android.telecomm.CallInfo; |
| import android.telecomm.CallServiceDescriptor; |
| import android.telecomm.TelecommConstants; |
| import android.telephony.DisconnectCause; |
| |
| import com.android.internal.os.SomeArgs; |
| import com.android.internal.telecomm.ICallServiceSelector; |
| import com.android.internal.telecomm.ICallServiceSelectorAdapter; |
| |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| /** |
| * Wrapper for {@link ICallServiceSelector}s, handles binding and keeps track of when the object can |
| * safely be unbound. |
| */ |
| final class CallServiceSelectorWrapper extends ServiceBinder<ICallServiceSelector> { |
| |
| private final class Adapter extends ICallServiceSelectorAdapter.Stub { |
| private static final int MSG_SET_SELECTED_CALL_SERVICES = 0; |
| private static final int MSG_CANCEL_OUTGOING_CALL = 1; |
| private static final int MSG_SET_HANDOFF_INFO = 2; |
| |
| private final Handler mHandler = new Handler() { |
| @Override |
| public void handleMessage(Message msg) { |
| switch (msg.what) { |
| case MSG_SET_SELECTED_CALL_SERVICES: { |
| SomeArgs args = (SomeArgs) msg.obj; |
| try { |
| String callId = (String) args.arg1; |
| if (mPendingSelects.containsKey(callId)) { |
| @SuppressWarnings("unchecked") |
| List<CallServiceDescriptor> descriptors = |
| (List<CallServiceDescriptor>) args.arg2; |
| |
| mCallIdMapper.removeCall(callId); |
| mPendingSelects.remove(callId).onResult(descriptors, 0, null); |
| } else { |
| Log.w(this, "setSelectedCallServices: unknown call: %s, id: %s", |
| callId, args.arg1); |
| } |
| } finally { |
| args.recycle(); |
| } |
| break; |
| } |
| case MSG_CANCEL_OUTGOING_CALL: { |
| Call call = mCallIdMapper.getCall(msg.obj); |
| if (call != null) { |
| call.abort(); |
| } else { |
| Log.w(this, "cancelOutgoingCall: unknown call: %s, id: %s", call, |
| msg.obj); |
| } |
| break; |
| } |
| case MSG_SET_HANDOFF_INFO: { |
| SomeArgs args = (SomeArgs) msg.obj; |
| try { |
| Call call = mCallIdMapper.getCall(args.arg1); |
| Uri handle = (Uri) args.arg2; |
| Bundle extras = (Bundle) args.arg3; |
| if (call != null) { |
| mCallsManager.setHandoffInfo(call, handle, extras); |
| } else { |
| Log.w(this, "setHandoffInfo: unknown call: %s, id: %s", |
| call, args.arg1); |
| } |
| } finally { |
| args.recycle(); |
| } |
| break; |
| } |
| } |
| } |
| }; |
| |
| @Override |
| public void setSelectedCallServices(String callId, |
| List<CallServiceDescriptor> descriptors) { |
| mCallIdMapper.checkValidCallId(callId); |
| SomeArgs args = SomeArgs.obtain(); |
| args.arg1 = callId; |
| args.arg2 = descriptors; |
| mHandler.obtainMessage(MSG_SET_SELECTED_CALL_SERVICES, args).sendToTarget(); |
| } |
| |
| @Override |
| public void cancelOutgoingCall(String callId) { |
| mCallIdMapper.checkValidCallId(callId); |
| mHandler.obtainMessage(MSG_CANCEL_OUTGOING_CALL, callId).sendToTarget(); |
| } |
| |
| @Override |
| public void setHandoffInfo(String callId, Uri handle, Bundle extras) { |
| mCallIdMapper.checkValidCallId(callId); |
| SomeArgs args = SomeArgs.obtain(); |
| args.arg1 = callId; |
| args.arg2 = handle; |
| args.arg3 = extras; |
| mHandler.obtainMessage(MSG_SET_HANDOFF_INFO, args).sendToTarget(); |
| } |
| } |
| |
| private final Binder mBinder = new Binder(); |
| private final CallIdMapper mCallIdMapper = new CallIdMapper("CallServiceSelector"); |
| private final Adapter mAdapter = new Adapter(); |
| private final CallsManager mCallsManager; |
| private final Map<String, AsyncResultCallback<List<CallServiceDescriptor>>> mPendingSelects = |
| new HashMap<>(); |
| |
| private ICallServiceSelector mSelectorInterface; |
| |
| /** |
| * Creates a call-service selector for the specified component using the specified action to |
| * bind to it. |
| * |
| * @param action The action used to bind to the selector. |
| * @param componentName The component name of the service. |
| * @param callsManager The calls manager. |
| */ |
| CallServiceSelectorWrapper( |
| String action, ComponentName componentName, CallsManager callsManager) { |
| |
| super(action, componentName); |
| mCallsManager = callsManager; |
| } |
| |
| /** |
| * Creates a call-service selector for specified component and uses |
| * {@link TelecommConstants#ACTION_CALL_SERVICE_SELECTOR} as the action to bind. |
| * |
| * @param componentName The component name of the service. |
| * @param callsManager The calls manager. |
| */ |
| CallServiceSelectorWrapper(ComponentName componentName, CallsManager callsManager) { |
| this(TelecommConstants.ACTION_CALL_SERVICE_SELECTOR, componentName, callsManager); |
| } |
| |
| /** |
| * Retrieves the sorted set of call services that are preferred by this selector. Upon failure, |
| * the error callback is invoked. Can be invoked even when the call service is unbound. |
| * |
| * @param call The call being placed using the {@link CallService}s. |
| * @param descriptors The descriptors of the available {@link CallService}s with which to place |
| * the call. |
| * @param resultCallback The callback on which to return the result. |
| */ |
| void select( |
| final Call call, |
| final List<CallServiceDescriptor> descriptors, |
| final AsyncResultCallback<List<CallServiceDescriptor>> resultCallback) { |
| |
| BindCallback callback = new BindCallback() { |
| @Override |
| public void onSuccess() { |
| String callId = mCallIdMapper.getCallId(call); |
| mPendingSelects.put(callId, resultCallback); |
| |
| try { |
| CallInfo callInfo = call.toCallInfo(mCallIdMapper.getCallId(call)); |
| mSelectorInterface.select(callInfo, descriptors); |
| } catch (RemoteException e) { |
| mCallIdMapper.removeCall(call); |
| mPendingSelects.get(callId).onResult( |
| null, DisconnectCause.ERROR_UNSPECIFIED, e.toString()); |
| } |
| } |
| |
| @Override |
| public void onFailure() { |
| resultCallback.onResult(null, DisconnectCause.ERROR_UNSPECIFIED, null); |
| } |
| }; |
| |
| mBinder.bind(callback); |
| } |
| |
| void addCall(Call call) { |
| mCallIdMapper.addCall(call); |
| onCallUpdated(call.toCallInfo(mCallIdMapper.getCallId(call))); |
| } |
| |
| void removeCall(Call call) { |
| String callId = mCallIdMapper.getCallId(call); |
| mCallIdMapper.removeCall(call); |
| onCallRemoved(callId); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| protected void setServiceInterface(IBinder binder) { |
| if (binder == null) { |
| mSelectorInterface = null; |
| } else { |
| mSelectorInterface = ICallServiceSelector.Stub.asInterface(binder); |
| setCallServiceSelectorAdapter(mAdapter); |
| } |
| } |
| |
| private void setCallServiceSelectorAdapter(ICallServiceSelectorAdapter adapter) { |
| if (isServiceValid("setCallServiceSelectorAdapter")) { |
| try { |
| mSelectorInterface.setCallServiceSelectorAdapter(adapter); |
| } catch (RemoteException e) { |
| } |
| } |
| } |
| |
| private void onCallUpdated(final CallInfo callInfo) { |
| BindCallback callback = new BindCallback() { |
| @Override |
| public void onSuccess() { |
| if (isServiceValid("onCallUpdated")) { |
| try { |
| mSelectorInterface.onCallUpdated(callInfo); |
| } catch (RemoteException e) { |
| } |
| } |
| } |
| |
| @Override |
| public void onFailure() { |
| } |
| }; |
| mBinder.bind(callback); |
| } |
| |
| private void onCallRemoved(final String callId) { |
| BindCallback callback = new BindCallback() { |
| @Override |
| public void onSuccess() { |
| if (isServiceValid("onCallRemoved")) { |
| try { |
| mSelectorInterface.onCallRemoved(callId); |
| } catch (RemoteException e) { |
| } |
| } |
| } |
| |
| @Override |
| public void onFailure() { |
| } |
| }; |
| mBinder.bind(callback); |
| } |
| } |