1 /* 2 * Copyright (C) 2017 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.incallui.calllocation.impl; 18 19 import android.content.Context; 20 import android.graphics.drawable.Drawable; 21 import android.location.Location; 22 import android.os.AsyncTask; 23 import com.android.dialer.common.LogUtil; 24 import com.android.dialer.logging.DialerImpression; 25 import com.android.dialer.logging.Logger; 26 import com.android.incallui.baseui.Presenter; 27 import com.android.incallui.baseui.Ui; 28 import com.google.android.gms.location.LocationListener; 29 import java.lang.ref.WeakReference; 30 import java.util.Objects; 31 32 /** 33 * Presenter for the {@code LocationFragment}. 34 * 35 * <p>Performs lookup for the address and map image to show. 36 */ 37 public class LocationPresenter extends Presenter<LocationPresenter.LocationUi> 38 implements LocationListener { 39 40 private Location mLastLocation; 41 private AsyncTask mDownloadMapTask; 42 private AsyncTask mReverseGeocodeTask; 43 LocationPresenter()44 LocationPresenter() {} 45 46 @Override onUiReady(LocationUi ui)47 public void onUiReady(LocationUi ui) { 48 LogUtil.i("LocationPresenter.onUiReady", ""); 49 super.onUiReady(ui); 50 updateLocation(mLastLocation, true); 51 } 52 53 @Override onUiUnready(LocationUi ui)54 public void onUiUnready(LocationUi ui) { 55 LogUtil.i("LocationPresenter.onUiUnready", ""); 56 super.onUiUnready(ui); 57 58 if (mDownloadMapTask != null) { 59 mDownloadMapTask.cancel(true); 60 } 61 if (mReverseGeocodeTask != null) { 62 mReverseGeocodeTask.cancel(true); 63 } 64 } 65 66 @Override onLocationChanged(Location location)67 public void onLocationChanged(Location location) { 68 LogUtil.i("LocationPresenter.onLocationChanged", ""); 69 updateLocation(location, false); 70 } 71 updateLocation(Location location, boolean forceUpdate)72 private void updateLocation(Location location, boolean forceUpdate) { 73 LogUtil.i("LocationPresenter.updateLocation", "location: " + location); 74 if (forceUpdate || !Objects.equals(mLastLocation, location)) { 75 mLastLocation = location; 76 int status = LocationHelper.checkLocation(location); 77 LocationUi ui = getUi(); 78 if (status == LocationHelper.LOCATION_STATUS_OK) { 79 mDownloadMapTask = new DownloadMapImageTask(new WeakReference<>(ui)).execute(location); 80 mReverseGeocodeTask = new ReverseGeocodeTask(new WeakReference<>(ui)).execute(location); 81 if (ui != null) { 82 ui.setLocation(location); 83 } else { 84 LogUtil.i("LocationPresenter.updateLocation", "no Ui"); 85 } 86 } else if (status != LocationHelper.LOCATION_STATUS_NO_LOCATION) { 87 // Log impression indicating why the location is not valid 88 // Note: its possible for this to be called before the UI has been initialized. 89 Context context = (ui != null) ? ui.getContext() : null; 90 if (context != null) { 91 if (status == LocationHelper.LOCATION_STATUS_STALE) { 92 Logger.get(context).logImpression(DialerImpression.Type.EMERGENCY_STALE_LOCATION); 93 } else if (status == LocationHelper.LOCATION_STATUS_INACCURATE) { 94 Logger.get(context).logImpression(DialerImpression.Type.EMERGENCY_INACCURATE_LOCATION); 95 } 96 } 97 } 98 } 99 } 100 101 /** UI interface */ 102 public interface LocationUi extends Ui { 103 setAddress(String address)104 void setAddress(String address); 105 setMap(Drawable mapImage)106 void setMap(Drawable mapImage); 107 setLocation(Location location)108 void setLocation(Location location); 109 getContext()110 Context getContext(); 111 } 112 } 113