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
17package com.android.dialer.app.calllog;
18
19import android.app.Activity;
20import android.app.AlertDialog;
21import android.app.Dialog;
22import android.app.DialogFragment;
23import android.app.FragmentManager;
24import android.app.ProgressDialog;
25import android.content.ContentResolver;
26import android.content.Context;
27import android.content.DialogInterface;
28import android.content.DialogInterface.OnClickListener;
29import android.os.AsyncTask;
30import android.os.Bundle;
31import android.provider.CallLog.Calls;
32import android.support.annotation.NonNull;
33import com.android.dialer.app.R;
34import com.android.dialer.common.Assert;
35import com.android.dialer.phonenumbercache.CachedNumberLookupService;
36import com.android.dialer.phonenumbercache.PhoneNumberCache;
37
38/** Dialog that clears the call log after confirming with the user */
39public class ClearCallLogDialog extends DialogFragment {
40
41  private Listener listener;
42
43  /** Preferred way to show this dialog */
44  public static void show(FragmentManager fragmentManager, @NonNull Listener listener) {
45    ClearCallLogDialog dialog = new ClearCallLogDialog();
46    dialog.listener = Assert.isNotNull(listener);
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 =
55        new OnClickListener() {
56          @Override
57          public void onClick(DialogInterface dialog, int which) {
58            final ProgressDialog progressDialog =
59                ProgressDialog.show(
60                    getActivity(), getString(R.string.clearCallLogProgress_title), "", true, false);
61            progressDialog.setOwnerActivity(getActivity());
62            CallLogNotificationsService.cancelAllMissedCalls(getContext());
63            final AsyncTask<Void, Void, Void> task =
64                new AsyncTask<Void, Void, Void>() {
65                  @Override
66                  protected Void doInBackground(Void... params) {
67                    resolver.delete(Calls.CONTENT_URI, null, null);
68                    CachedNumberLookupService cachedNumberLookupService =
69                        PhoneNumberCache.get(context).getCachedNumberLookupService();
70                    if (cachedNumberLookupService != null) {
71                      cachedNumberLookupService.clearAllCacheEntries(context);
72                    }
73                    return null;
74                  }
75
76                  @Override
77                  protected void onPostExecute(Void result) {
78                    final Activity activity = progressDialog.getOwnerActivity();
79
80                    if (activity == null || activity.isDestroyed() || activity.isFinishing()) {
81                      return;
82                    }
83
84                    listener.callHistoryDeleted();
85                    if (progressDialog != null && progressDialog.isShowing()) {
86                      progressDialog.dismiss();
87                    }
88                  }
89                };
90            // TODO: Once we have the API, we should configure this ProgressDialog
91            // to only show up after a certain time (e.g. 150ms)
92            progressDialog.show();
93            task.execute();
94          }
95        };
96    return new AlertDialog.Builder(getActivity())
97        .setTitle(R.string.clearCallLogConfirmation_title)
98        .setIconAttribute(android.R.attr.alertDialogIcon)
99        .setMessage(R.string.clearCallLogConfirmation)
100        .setNegativeButton(android.R.string.cancel, null)
101        .setPositiveButton(android.R.string.ok, okListener)
102        .setCancelable(true)
103        .create();
104  }
105
106  interface Listener {
107    void callHistoryDeleted();
108  }
109}
110