John Spurlock | 76b52b3 | 2015-04-03 00:00:12 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2015 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.systemui.volume; |
| 18 | |
| 19 | import android.content.BroadcastReceiver; |
| 20 | import android.content.Context; |
| 21 | import android.content.DialogInterface; |
| 22 | import android.content.Intent; |
| 23 | import android.content.IntentFilter; |
| 24 | import android.media.AudioManager; |
| 25 | import android.util.Log; |
| 26 | import android.view.KeyEvent; |
| 27 | import android.view.WindowManager; |
| 28 | |
| 29 | import com.android.systemui.statusbar.phone.SystemUIDialog; |
| 30 | |
| 31 | abstract public class SafetyWarningDialog extends SystemUIDialog |
| 32 | implements DialogInterface.OnDismissListener, DialogInterface.OnClickListener { |
| 33 | |
| 34 | private static final String TAG = Util.logTag(SafetyWarningDialog.class); |
| 35 | |
| 36 | private static final int KEY_CONFIRM_ALLOWED_AFTER = 1000; // milliseconds |
| 37 | |
| 38 | private final Context mContext; |
| 39 | private final AudioManager mAudioManager; |
| 40 | |
| 41 | private long mShowTime; |
| 42 | private boolean mNewVolumeUp; |
| 43 | |
| 44 | public SafetyWarningDialog(Context context, AudioManager audioManager) { |
| 45 | super(context); |
| 46 | mContext = context; |
| 47 | mAudioManager = audioManager; |
| 48 | |
| 49 | getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ERROR); |
qinglian.x.zhang | a967b62 | 2016-01-14 13:18:37 +0800 | [diff] [blame] | 50 | setShowForAllUsers(true); |
John Spurlock | 76b52b3 | 2015-04-03 00:00:12 -0400 | [diff] [blame] | 51 | setMessage(mContext.getString(com.android.internal.R.string.safe_media_volume_warning)); |
| 52 | setButton(DialogInterface.BUTTON_POSITIVE, |
| 53 | mContext.getString(com.android.internal.R.string.yes), this); |
| 54 | setButton(DialogInterface.BUTTON_NEGATIVE, |
| 55 | mContext.getString(com.android.internal.R.string.no), (OnClickListener) null); |
| 56 | setOnDismissListener(this); |
| 57 | |
| 58 | final IntentFilter filter = new IntentFilter(Intent.ACTION_CLOSE_SYSTEM_DIALOGS); |
| 59 | context.registerReceiver(mReceiver, filter); |
| 60 | } |
| 61 | |
| 62 | abstract protected void cleanUp(); |
| 63 | |
| 64 | @Override |
| 65 | public boolean onKeyDown(int keyCode, KeyEvent event) { |
| 66 | if (keyCode == KeyEvent.KEYCODE_VOLUME_UP && event.getRepeatCount() == 0) { |
| 67 | mNewVolumeUp = true; |
| 68 | } |
| 69 | return super.onKeyDown(keyCode, event); |
| 70 | } |
| 71 | |
| 72 | @Override |
| 73 | public boolean onKeyUp(int keyCode, KeyEvent event) { |
| 74 | if (keyCode == KeyEvent.KEYCODE_VOLUME_UP && mNewVolumeUp |
| 75 | && (System.currentTimeMillis() - mShowTime) > KEY_CONFIRM_ALLOWED_AFTER) { |
| 76 | if (D.BUG) Log.d(TAG, "Confirmed warning via VOLUME_UP"); |
| 77 | mAudioManager.disableSafeMediaVolume(); |
| 78 | dismiss(); |
| 79 | } |
| 80 | return super.onKeyUp(keyCode, event); |
| 81 | } |
| 82 | |
| 83 | @Override |
| 84 | public void onClick(DialogInterface dialog, int which) { |
| 85 | mAudioManager.disableSafeMediaVolume(); |
| 86 | } |
| 87 | |
| 88 | @Override |
| 89 | protected void onStart() { |
| 90 | super.onStart(); |
| 91 | mShowTime = System.currentTimeMillis(); |
| 92 | } |
| 93 | |
| 94 | @Override |
| 95 | public void onDismiss(DialogInterface unused) { |
| 96 | mContext.unregisterReceiver(mReceiver); |
| 97 | cleanUp(); |
| 98 | } |
| 99 | |
| 100 | private final BroadcastReceiver mReceiver = new BroadcastReceiver() { |
| 101 | @Override |
| 102 | public void onReceive(Context context, Intent intent) { |
| 103 | if (Intent.ACTION_CLOSE_SYSTEM_DIALOGS.equals(intent.getAction())) { |
| 104 | if (D.BUG) Log.d(TAG, "Received ACTION_CLOSE_SYSTEM_DIALOGS"); |
| 105 | cancel(); |
| 106 | cleanUp(); |
| 107 | } |
| 108 | } |
| 109 | }; |
| 110 | } |