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      1 /*
      2  * Copyright (C) 2011 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.dialer.app.calllog;
     18 
     19 import android.app.Activity;
     20 import android.app.AlertDialog;
     21 import android.app.Dialog;
     22 import android.app.DialogFragment;
     23 import android.app.FragmentManager;
     24 import android.app.ProgressDialog;
     25 import android.content.ContentResolver;
     26 import android.content.Context;
     27 import android.content.DialogInterface;
     28 import android.content.DialogInterface.OnClickListener;
     29 import android.os.AsyncTask;
     30 import android.os.Bundle;
     31 import android.provider.CallLog.Calls;
     32 import com.android.dialer.app.R;
     33 import com.android.dialer.phonenumbercache.CachedNumberLookupService;
     34 import com.android.dialer.phonenumbercache.PhoneNumberCache;
     35 
     36 /** Dialog that clears the call log after confirming with the user */
     37 public class ClearCallLogDialog extends DialogFragment {
     38 
     39   /** Preferred way to show this dialog */
     40   public static void show(FragmentManager fragmentManager) {
     41     ClearCallLogDialog dialog = new ClearCallLogDialog();
     42     dialog.show(fragmentManager, "deleteCallLog");
     43   }
     44 
     45   @Override
     46   public Dialog onCreateDialog(Bundle savedInstanceState) {
     47     final ContentResolver resolver = getActivity().getContentResolver();
     48     final Context context = getActivity().getApplicationContext();
     49     final OnClickListener okListener =
     50         new OnClickListener() {
     51           @Override
     52           public void onClick(DialogInterface dialog, int which) {
     53             final ProgressDialog progressDialog =
     54                 ProgressDialog.show(
     55                     getActivity(), getString(R.string.clearCallLogProgress_title), "", true, false);
     56             progressDialog.setOwnerActivity(getActivity());
     57             CallLogNotificationsService.markNewMissedCallsAsOld(getContext(), null);
     58             final AsyncTask<Void, Void, Void> task =
     59                 new AsyncTask<Void, Void, Void>() {
     60                   @Override
     61                   protected Void doInBackground(Void... params) {
     62                     resolver.delete(Calls.CONTENT_URI, null, null);
     63                     CachedNumberLookupService cachedNumberLookupService =
     64                         PhoneNumberCache.get(context).getCachedNumberLookupService();
     65                     if (cachedNumberLookupService != null) {
     66                       cachedNumberLookupService.clearAllCacheEntries(context);
     67                     }
     68                     return null;
     69                   }
     70 
     71                   @Override
     72                   protected void onPostExecute(Void result) {
     73                     final Activity activity = progressDialog.getOwnerActivity();
     74 
     75                     if (activity == null || activity.isDestroyed() || activity.isFinishing()) {
     76                       return;
     77                     }
     78 
     79                     if (progressDialog != null && progressDialog.isShowing()) {
     80                       progressDialog.dismiss();
     81                     }
     82                   }
     83                 };
     84             // TODO: Once we have the API, we should configure this ProgressDialog
     85             // to only show up after a certain time (e.g. 150ms)
     86             progressDialog.show();
     87             task.execute();
     88           }
     89         };
     90     return new AlertDialog.Builder(getActivity())
     91         .setTitle(R.string.clearCallLogConfirmation_title)
     92         .setIconAttribute(android.R.attr.alertDialogIcon)
     93         .setMessage(R.string.clearCallLogConfirmation)
     94         .setNegativeButton(android.R.string.cancel, null)
     95         .setPositiveButton(android.R.string.ok, okListener)
     96         .setCancelable(true)
     97         .create();
     98   }
     99 }
    100