1 /* 2 * Copyright (C) 2022 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.server.nearby.fastpair.halfsheet; 18 19 import static com.android.server.nearby.fastpair.Constant.TAG; 20 21 import android.nearby.FastPairDevice; 22 import android.nearby.FastPairStatusCallback; 23 import android.nearby.PairStatusMetadata; 24 import android.nearby.aidl.IFastPairStatusCallback; 25 import android.nearby.aidl.IFastPairUiService; 26 import android.os.IBinder; 27 import android.os.RemoteException; 28 import android.util.Log; 29 30 import com.android.server.nearby.fastpair.FastPairController; 31 32 /** 33 * Service implementing Fast Pair functionality. 34 * 35 * @hide 36 */ 37 public class FastPairUiServiceImpl extends IFastPairUiService.Stub { 38 39 private IBinder mStatusCallbackProxy; 40 private FastPairController mFastPairController; 41 private FastPairStatusCallback mFastPairStatusCallback; 42 43 /** 44 * Registers the Binder call back in the server notifies the proxy when there is an update 45 * in the server. 46 */ 47 @Override registerCallback(IFastPairStatusCallback iFastPairStatusCallback)48 public void registerCallback(IFastPairStatusCallback iFastPairStatusCallback) { 49 mStatusCallbackProxy = iFastPairStatusCallback.asBinder(); 50 mFastPairStatusCallback = new FastPairStatusCallback() { 51 @Override 52 public void onPairUpdate(FastPairDevice fastPairDevice, 53 PairStatusMetadata pairStatusMetadata) { 54 try { 55 iFastPairStatusCallback.onPairUpdate(fastPairDevice, pairStatusMetadata); 56 } catch (RemoteException e) { 57 Log.w(TAG, "Failed to update pair status.", e); 58 } 59 } 60 }; 61 } 62 63 /** 64 * Unregisters the Binder call back in the server. 65 */ 66 @Override unregisterCallback(IFastPairStatusCallback iFastPairStatusCallback)67 public void unregisterCallback(IFastPairStatusCallback iFastPairStatusCallback) { 68 mStatusCallbackProxy = null; 69 mFastPairStatusCallback = null; 70 } 71 72 /** 73 * Asks the Fast Pair service to pair the device. initial pairing. 74 */ 75 @Override connect(FastPairDevice fastPairDevice)76 public void connect(FastPairDevice fastPairDevice) { 77 if (mFastPairController != null) { 78 mFastPairController.pair(fastPairDevice); 79 } else { 80 Log.w(TAG, "Failed to connect because there is no FastPairController."); 81 } 82 } 83 84 /** 85 * Cancels Fast Pair connection and dismisses half sheet. 86 */ 87 @Override cancel(FastPairDevice fastPairDevice)88 public void cancel(FastPairDevice fastPairDevice) { 89 } 90 getPairStatusCallback()91 public FastPairStatusCallback getPairStatusCallback() { 92 return mFastPairStatusCallback; 93 } 94 95 /** 96 * Sets function for Fast Pair controller. 97 */ setFastPairController(FastPairController fastPairController)98 public void setFastPairController(FastPairController fastPairController) { 99 mFastPairController = fastPairController; 100 } 101 } 102