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