1/*
2 * Copyright 2014, 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 */
16package com.android.managedprovisioning;
17
18import android.app.admin.DevicePolicyManager;
19import android.content.Intent;
20import android.os.Bundle;
21import android.os.ServiceManager;
22import android.os.storage.IMountService;
23import android.os.RemoteException;
24import android.view.View;
25import android.widget.TextView;
26
27/**
28 * Activity to ask for permission to activate full-filesystem encryption.
29 *
30 * Pressing 'settings' will launch settings to prompt the user to encrypt
31 * the device.
32 */
33public class EncryptDeviceActivity extends SetupLayoutActivity {
34    protected static final String EXTRA_RESUME = "com.android.managedprovisioning.RESUME";
35    protected static final String EXTRA_RESUME_TARGET =
36            "com.android.managedprovisioning.RESUME_TARGET";
37    protected static final String TARGET_PROFILE_OWNER = "profile_owner";
38    protected static final String TARGET_DEVICE_OWNER = "device_owner";
39
40    private Bundle mResumeInfo;
41    private String mResumeTarget;
42
43    @Override
44    public void onCreate(Bundle savedInstanceState) {
45        super.onCreate(savedInstanceState);
46
47        mResumeInfo = getIntent().getBundleExtra(EXTRA_RESUME);
48        mResumeTarget = mResumeInfo.getString(EXTRA_RESUME_TARGET);
49
50        if (TARGET_PROFILE_OWNER.equals(mResumeTarget)) {
51            initializeLayoutParams(R.layout.encrypt_device, R.string.setup_work_profile, false);
52            setTitle(R.string.setup_profile_encryption);
53            ((TextView) findViewById(R.id.encrypt_main_text)).setText(
54                    R.string.encrypt_device_text_for_profile_owner_setup);
55        } else if (TARGET_DEVICE_OWNER.equals(mResumeTarget)) {
56            initializeLayoutParams(R.layout.encrypt_device, R.string.setup_work_device, false);
57            setTitle(R.string.setup_device_encryption);
58            ((TextView) findViewById(R.id.encrypt_main_text)).setText(
59                    R.string.encrypt_device_text_for_device_owner_setup);
60        }
61        configureNavigationButtons(R.string.encrypt_device_launch_settings,
62            View.VISIBLE, View.VISIBLE);
63    }
64
65    public static boolean isDeviceEncrypted() {
66        IMountService mountService = IMountService.Stub.asInterface(
67                ServiceManager.getService("mount"));
68
69        try {
70            return (mountService.getEncryptionState() == IMountService.ENCRYPTION_STATE_OK);
71        } catch (RemoteException e) {
72            return false;
73        }
74    }
75
76    @Override
77    public void onNavigateNext() {
78        BootReminder.setProvisioningReminder(EncryptDeviceActivity.this, mResumeInfo);
79        // Use settings so user confirms password/pattern and its passed
80        // to encryption tool.
81        Intent intent = new Intent();
82        intent.setAction(DevicePolicyManager.ACTION_START_ENCRYPTION);
83        startActivity(intent);
84    }
85}