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.dialer.constants.TrafficStatsTags;
     25 import com.android.incallui.calllocation.impl.LocationPresenter.LocationUi;
     26 import java.io.InputStream;
     27 import java.lang.ref.WeakReference;
     28 import java.net.URL;
     29 
     30 class DownloadMapImageTask extends AsyncTask<Location, Void, Drawable> {
     31 
     32   private static final String STATIC_MAP_SRC_NAME = "src";
     33 
     34   private final WeakReference<LocationUi> mUiReference;
     35 
     36   public DownloadMapImageTask(WeakReference<LocationUi> uiReference) {
     37     mUiReference = uiReference;
     38   }
     39 
     40   @Override
     41   protected Drawable doInBackground(Location... locations) {
     42     LocationUi ui = mUiReference.get();
     43     if (ui == null) {
     44       return null;
     45     }
     46     if (locations == null || locations.length == 0) {
     47       LogUtil.e("DownloadMapImageTask.doInBackground", "No location provided");
     48       return null;
     49     }
     50 
     51     try {
     52       URL mapUrl = new URL(LocationUrlBuilder.getStaticMapUrl(ui.getContext(), locations[0]));
     53       InputStream content = (InputStream) mapUrl.getContent();
     54 
     55       TrafficStats.setThreadStatsTag(TrafficStatsTags.DOWNLOAD_LOCATION_MAP_TAG);
     56       return Drawable.createFromStream(content, STATIC_MAP_SRC_NAME);
     57     } catch (Exception ex) {
     58       LogUtil.e("DownloadMapImageTask.doInBackground", "Exception!!!", ex);
     59       return null;
     60     } finally {
     61       TrafficStats.clearThreadStatsTag();
     62     }
     63   }
     64 
     65   @Override
     66   protected void onPostExecute(Drawable mapImage) {
     67     LocationUi ui = mUiReference.get();
     68     if (ui == null) {
     69       return;
     70     }
     71 
     72     try {
     73       ui.setMap(mapImage);
     74     } catch (Exception ex) {
     75       LogUtil.e("DownloadMapImageTask.onPostExecute", "Exception!!!", ex);
     76     }
     77   }
     78 }
     79