Home | History | Annotate | Download | only in impl 
      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 
     35   public DownloadMapImageTask(WeakReference<LocationUi> uiReference) {
     36     mUiReference = uiReference;
     37   }
     38 
     39   @Override
     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
     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