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.graphics.drawable.Drawable; 20 import android.location.Location; 21 import android.net.TrafficStats; 22 import android.os.AsyncTask; 23 import com.android.dialer.common.LogUtil; 24 import com.android.incallui.calllocation.impl.LocationPresenter.LocationUi; 25 import java.io.InputStream; 26 import java.lang.ref.WeakReference; 27 import java.net.URL; 28 29 class DownloadMapImageTask extends AsyncTask<Location, Void, Drawable> { 30 31 private static final String STATIC_MAP_SRC_NAME = "src"; 32 33 private final WeakReference<LocationUi> mUiReference; 34 DownloadMapImageTask(WeakReference<LocationUi> uiReference)35 public DownloadMapImageTask(WeakReference<LocationUi> uiReference) { 36 mUiReference = uiReference; 37 } 38 39 @Override doInBackground(Location... locations)40 protected Drawable doInBackground(Location... locations) { 41 LocationUi ui = mUiReference.get(); 42 if (ui == null) { 43 return null; 44 } 45 if (locations == null || locations.length == 0) { 46 LogUtil.e("DownloadMapImageTask.doInBackground", "No location provided"); 47 return null; 48 } 49 50 try { 51 URL mapUrl = new URL(LocationUrlBuilder.getStaticMapUrl(ui.getContext(), locations[0])); 52 InputStream content = (InputStream) mapUrl.getContent(); 53 54 TrafficStats.setThreadStatsTag(TrafficStatsTags.DOWNLOAD_LOCATION_MAP_TAG); 55 return Drawable.createFromStream(content, STATIC_MAP_SRC_NAME); 56 } catch (Exception ex) { 57 LogUtil.e("DownloadMapImageTask.doInBackground", "Exception!!!", ex); 58 return null; 59 } finally { 60 TrafficStats.clearThreadStatsTag(); 61 } 62 } 63 64 @Override onPostExecute(Drawable mapImage)65 protected void onPostExecute(Drawable mapImage) { 66 LocationUi ui = mUiReference.get(); 67 if (ui == null) { 68 return; 69 } 70 71 try { 72 ui.setMap(mapImage); 73 } catch (Exception ex) { 74 LogUtil.e("DownloadMapImageTask.onPostExecute", "Exception!!!", ex); 75 } 76 } 77 } 78