summaryrefslogtreecommitdiffstats
path: root/src/com/android/settings/MasterClearConfirm.java
blob: bc3656abde6fb6f2cfdcd0c96daaed50d3d820ba (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
/*
 * Copyright (C) 2010 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.settings;

import android.app.ProgressDialog;
import android.content.Context;
import android.content.pm.ActivityInfo;
import android.os.AsyncTask;
import android.service.persistentdata.PersistentDataBlockManager;
import com.android.internal.logging.MetricsLogger;
import com.android.internal.os.storage.ExternalStorageFormatter;

import android.app.Fragment;
import android.content.Intent;
import android.os.Bundle;
import android.os.UserManager;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;

/**
 * Confirm and execute a reset of the device to a clean "just out of the box"
 * state.  Multiple confirmations are required: first, a general "are you sure
 * you want to do this?" prompt, followed by a keyguard pattern trace if the user
 * has defined one, followed by a final strongly-worded "THIS WILL ERASE EVERYTHING
 * ON THE PHONE" prompt.  If at any time the phone is allowed to go to sleep, is
 * locked, et cetera, then the confirmation sequence is abandoned.
 *
 * This is the confirmation screen.
 */
public class MasterClearConfirm extends InstrumentedFragment {

    private View mContentView;
    private boolean mEraseSdCard;

    /**
     * The user has gone through the multiple confirmation, so now we go ahead
     * and invoke the Checkin Service to reset the device to its factory-default
     * state (rebooting in the process).
     */
    private Button.OnClickListener mFinalClickListener = new Button.OnClickListener() {

        public void onClick(View v) {
            if (Utils.isMonkeyRunning()) {
                return;
            }

            final PersistentDataBlockManager pdbManager = (PersistentDataBlockManager)
                    getActivity().getSystemService(Context.PERSISTENT_DATA_BLOCK_SERVICE);

            if (pdbManager != null && !pdbManager.getOemUnlockEnabled()) {
                // if OEM unlock is enabled, this will be wiped during FR process.
                final ProgressDialog progressDialog = getProgressDialog();
                progressDialog.show();

                // need to prevent orientation changes as we're about to go into
                // a long IO request, so we won't be able to access inflate resources on flash
                final int oldOrientation = getActivity().getRequestedOrientation();
                getActivity().setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LOCKED);
                new AsyncTask<Void, Void, Void>() {
                    @Override
                    protected Void doInBackground(Void... params) {
                        pdbManager.wipe();
                        return null;
                    }

                    @Override
                    protected void onPostExecute(Void aVoid) {
                        progressDialog.hide();
                        getActivity().setRequestedOrientation(oldOrientation);
                        doMasterClear();
                    }
                }.execute();
            } else {
                doMasterClear();
            }
        }

        private ProgressDialog getProgressDialog() {
            final ProgressDialog progressDialog = new ProgressDialog(getActivity());
            progressDialog.setIndeterminate(true);
            progressDialog.setCancelable(false);
            progressDialog.setTitle(
                    getActivity().getString(R.string.master_clear_progress_title));
            progressDialog.setMessage(
                    getActivity().getString(R.string.master_clear_progress_text));
            return progressDialog;
        }
    };

    private void doMasterClear() {
        if (mEraseSdCard) {
            Intent intent = new Intent(ExternalStorageFormatter.FORMAT_AND_FACTORY_RESET);
            intent.putExtra(Intent.EXTRA_REASON, "MasterClearConfirm");
            intent.setComponent(ExternalStorageFormatter.COMPONENT_NAME);
            getActivity().startService(intent);
        } else {
            Intent intent = new Intent(Intent.ACTION_MASTER_CLEAR);
            intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND);
            intent.putExtra(Intent.EXTRA_REASON, "MasterClearConfirm");
            getActivity().sendBroadcast(intent);
            // Intent handling is asynchronous -- assume it will happen soon.
        }
    }

    /**
     * Configure the UI for the final confirmation interaction
     */
    private void establishFinalConfirmationState() {
        mContentView.findViewById(R.id.execute_master_clear)
                .setOnClickListener(mFinalClickListener);
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
            Bundle savedInstanceState) {
        if (UserManager.get(getActivity()).hasUserRestriction(
                UserManager.DISALLOW_FACTORY_RESET)) {
            return inflater.inflate(R.layout.master_clear_disallowed_screen, null);
        }
        mContentView = inflater.inflate(R.layout.master_clear_confirm, null);
        establishFinalConfirmationState();
        return mContentView;
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        Bundle args = getArguments();
        mEraseSdCard = args != null && args.getBoolean(MasterClear.ERASE_EXTERNAL_EXTRA);
    }

    @Override
    protected int getMetricsCategory() {
        return MetricsLogger.MASTER_CLEAR_CONFIRM;
    }
}