Charles He | 7376f6c | 2017-07-12 15:30:00 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2017 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.vpndialogs; |
| 18 | |
| 19 | import android.content.Context; |
| 20 | import android.content.DialogInterface; |
| 21 | import android.content.Intent; |
| 22 | import android.content.pm.PackageManager; |
| 23 | import android.net.IConnectivityManager; |
| 24 | import android.os.Bundle; |
| 25 | import android.os.RemoteException; |
| 26 | import android.os.ServiceManager; |
| 27 | import android.os.UserHandle; |
| 28 | import android.provider.Settings; |
| 29 | import android.text.SpannableStringBuilder; |
| 30 | import android.text.method.LinkMovementMethod; |
| 31 | import android.text.style.ClickableSpan; |
| 32 | import android.util.Log; |
| 33 | import android.view.View; |
| 34 | import android.view.WindowManager; |
| 35 | import android.widget.TextView; |
| 36 | |
| 37 | import com.android.internal.app.AlertActivity; |
| 38 | import com.android.internal.net.VpnConfig; |
| 39 | |
| 40 | public class AlwaysOnDisconnectedDialog extends AlertActivity |
| 41 | implements DialogInterface.OnClickListener{ |
| 42 | |
| 43 | private static final String TAG = "VpnDisconnected"; |
| 44 | |
| 45 | private IConnectivityManager mService; |
| 46 | private int mUserId; |
| 47 | private String mVpnPackage; |
| 48 | |
| 49 | @Override |
| 50 | public void onCreate(Bundle savedInstanceState) { |
| 51 | super.onCreate(savedInstanceState); |
| 52 | |
| 53 | mService = IConnectivityManager.Stub.asInterface( |
| 54 | ServiceManager.getService(Context.CONNECTIVITY_SERVICE)); |
| 55 | mUserId = UserHandle.myUserId(); |
| 56 | mVpnPackage = getAlwaysOnVpnPackage(); |
| 57 | if (mVpnPackage == null) { |
| 58 | finish(); |
| 59 | return; |
| 60 | } |
| 61 | |
| 62 | View view = View.inflate(this, R.layout.always_on_disconnected, null); |
| 63 | TextView messageView = view.findViewById(R.id.message); |
| 64 | messageView.setText(getMessage(getIntent().getBooleanExtra("lockdown", false))); |
| 65 | messageView.setMovementMethod(LinkMovementMethod.getInstance()); |
| 66 | |
| 67 | mAlertParams.mTitle = getString(R.string.always_on_disconnected_title); |
| 68 | mAlertParams.mPositiveButtonText = getString(R.string.open_app); |
| 69 | mAlertParams.mPositiveButtonListener = this; |
| 70 | mAlertParams.mNegativeButtonText = getString(R.string.dismiss); |
| 71 | mAlertParams.mNegativeButtonListener = this; |
| 72 | mAlertParams.mCancelable = false; |
| 73 | mAlertParams.mView = view; |
| 74 | setupAlert(); |
| 75 | |
| 76 | getWindow().setCloseOnTouchOutside(false); |
| 77 | getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ALERT); |
| 78 | getWindow().addFlags(WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM); |
| 79 | } |
| 80 | |
| 81 | @Override |
| 82 | public void onClick(DialogInterface dialog, int which) { |
| 83 | switch (which) { |
| 84 | case BUTTON_POSITIVE: |
| 85 | PackageManager pm = getPackageManager(); |
| 86 | final Intent intent = pm.getLaunchIntentForPackage(mVpnPackage); |
| 87 | if (intent != null) { |
| 88 | intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK); |
| 89 | startActivity(intent); |
| 90 | } |
| 91 | finish(); |
| 92 | break; |
| 93 | case BUTTON_NEGATIVE: |
| 94 | finish(); |
| 95 | break; |
| 96 | default: |
| 97 | break; |
| 98 | } |
| 99 | } |
| 100 | |
| 101 | private String getAlwaysOnVpnPackage() { |
| 102 | try { |
| 103 | return mService.getAlwaysOnVpnPackage(mUserId); |
| 104 | } catch (RemoteException e) { |
| 105 | Log.e(TAG, "Can't getAlwaysOnVpnPackage()", e); |
| 106 | return null; |
| 107 | } |
| 108 | } |
| 109 | |
| 110 | private CharSequence getVpnLabel() { |
| 111 | try { |
| 112 | return VpnConfig.getVpnLabel(this, mVpnPackage); |
| 113 | } catch (PackageManager.NameNotFoundException e) { |
| 114 | Log.w(TAG, "Can't getVpnLabel() for " + mVpnPackage, e); |
| 115 | return mVpnPackage; |
| 116 | } |
| 117 | } |
| 118 | |
| 119 | private CharSequence getMessage(boolean isLockdown) { |
| 120 | final SpannableStringBuilder message = new SpannableStringBuilder(); |
| 121 | final int baseMessageResId = isLockdown |
| 122 | ? R.string.always_on_disconnected_message_lockdown |
| 123 | : R.string.always_on_disconnected_message; |
| 124 | message.append(getString(baseMessageResId, getVpnLabel())); |
| 125 | message.append(getString(R.string.always_on_disconnected_message_separator)); |
| 126 | message.append(getString(R.string.always_on_disconnected_message_settings_link), |
| 127 | new VpnSpan(), 0 /*flags*/); |
| 128 | return message; |
| 129 | } |
| 130 | |
| 131 | private class VpnSpan extends ClickableSpan { |
| 132 | @Override |
| 133 | public void onClick(View unused) { |
| 134 | final Intent intent = new Intent(Settings.ACTION_VPN_SETTINGS); |
| 135 | intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK); |
| 136 | startActivity(intent); |
| 137 | } |
| 138 | } |
| 139 | } |