Juan Lang | 5efe8f0 | 2017-05-04 16:59:46 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2016 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 | package com.android.settingslib.core.lifecycle; |
| 17 | |
Tony Mantler | ece840b | 2017-11-10 13:16:59 -0800 | [diff] [blame] | 18 | import static android.arch.lifecycle.Lifecycle.Event.ON_CREATE; |
| 19 | import static android.arch.lifecycle.Lifecycle.Event.ON_DESTROY; |
| 20 | import static android.arch.lifecycle.Lifecycle.Event.ON_PAUSE; |
| 21 | import static android.arch.lifecycle.Lifecycle.Event.ON_RESUME; |
| 22 | import static android.arch.lifecycle.Lifecycle.Event.ON_START; |
| 23 | import static android.arch.lifecycle.Lifecycle.Event.ON_STOP; |
| 24 | |
Juan Lang | 5efe8f0 | 2017-05-04 16:59:46 -0700 | [diff] [blame] | 25 | import android.app.DialogFragment; |
Tony Mantler | ece840b | 2017-11-10 13:16:59 -0800 | [diff] [blame] | 26 | import android.arch.lifecycle.LifecycleOwner; |
Juan Lang | 5efe8f0 | 2017-05-04 16:59:46 -0700 | [diff] [blame] | 27 | import android.content.Context; |
Tony Mantler | ece840b | 2017-11-10 13:16:59 -0800 | [diff] [blame] | 28 | import android.os.Bundle; |
Juan Lang | 5efe8f0 | 2017-05-04 16:59:46 -0700 | [diff] [blame] | 29 | import android.view.Menu; |
| 30 | import android.view.MenuInflater; |
| 31 | import android.view.MenuItem; |
| 32 | |
| 33 | /** |
| 34 | * {@link DialogFragment} that has hooks to observe fragment lifecycle events. |
| 35 | */ |
Tony Mantler | ece840b | 2017-11-10 13:16:59 -0800 | [diff] [blame] | 36 | public class ObservableDialogFragment extends DialogFragment implements LifecycleOwner { |
Juan Lang | 5efe8f0 | 2017-05-04 16:59:46 -0700 | [diff] [blame] | 37 | |
Tony Mantler | ece840b | 2017-11-10 13:16:59 -0800 | [diff] [blame] | 38 | protected final Lifecycle mLifecycle = new Lifecycle(this); |
Juan Lang | 5efe8f0 | 2017-05-04 16:59:46 -0700 | [diff] [blame] | 39 | |
| 40 | @Override |
| 41 | public void onAttach(Context context) { |
| 42 | super.onAttach(context); |
| 43 | mLifecycle.onAttach(context); |
| 44 | } |
| 45 | |
| 46 | @Override |
Tony Mantler | ece840b | 2017-11-10 13:16:59 -0800 | [diff] [blame] | 47 | public void onCreate(Bundle savedInstanceState) { |
| 48 | mLifecycle.onCreate(savedInstanceState); |
| 49 | mLifecycle.handleLifecycleEvent(ON_CREATE); |
| 50 | super.onCreate(savedInstanceState); |
| 51 | } |
| 52 | |
| 53 | @Override |
Juan Lang | 5efe8f0 | 2017-05-04 16:59:46 -0700 | [diff] [blame] | 54 | public void onStart() { |
Tony Mantler | ece840b | 2017-11-10 13:16:59 -0800 | [diff] [blame] | 55 | mLifecycle.handleLifecycleEvent(ON_START); |
Juan Lang | 5efe8f0 | 2017-05-04 16:59:46 -0700 | [diff] [blame] | 56 | super.onStart(); |
| 57 | } |
| 58 | |
| 59 | @Override |
| 60 | public void onResume() { |
Tony Mantler | ece840b | 2017-11-10 13:16:59 -0800 | [diff] [blame] | 61 | mLifecycle.handleLifecycleEvent(ON_RESUME); |
Juan Lang | 5efe8f0 | 2017-05-04 16:59:46 -0700 | [diff] [blame] | 62 | super.onResume(); |
| 63 | } |
| 64 | |
| 65 | @Override |
| 66 | public void onPause() { |
Tony Mantler | ece840b | 2017-11-10 13:16:59 -0800 | [diff] [blame] | 67 | mLifecycle.handleLifecycleEvent(ON_PAUSE); |
Juan Lang | 5efe8f0 | 2017-05-04 16:59:46 -0700 | [diff] [blame] | 68 | super.onPause(); |
| 69 | } |
| 70 | |
| 71 | @Override |
| 72 | public void onStop() { |
Tony Mantler | ece840b | 2017-11-10 13:16:59 -0800 | [diff] [blame] | 73 | mLifecycle.handleLifecycleEvent(ON_STOP); |
Juan Lang | 5efe8f0 | 2017-05-04 16:59:46 -0700 | [diff] [blame] | 74 | super.onStop(); |
| 75 | } |
| 76 | |
| 77 | @Override |
| 78 | public void onDestroy() { |
Tony Mantler | ece840b | 2017-11-10 13:16:59 -0800 | [diff] [blame] | 79 | mLifecycle.handleLifecycleEvent(ON_DESTROY); |
Juan Lang | 5efe8f0 | 2017-05-04 16:59:46 -0700 | [diff] [blame] | 80 | super.onDestroy(); |
| 81 | } |
| 82 | |
| 83 | @Override |
| 84 | public void onCreateOptionsMenu(final Menu menu, final MenuInflater inflater) { |
| 85 | mLifecycle.onCreateOptionsMenu(menu, inflater); |
| 86 | super.onCreateOptionsMenu(menu, inflater); |
| 87 | } |
| 88 | |
| 89 | @Override |
| 90 | public void onPrepareOptionsMenu(final Menu menu) { |
| 91 | mLifecycle.onPrepareOptionsMenu(menu); |
| 92 | super.onPrepareOptionsMenu(menu); |
| 93 | } |
| 94 | |
| 95 | @Override |
| 96 | public boolean onOptionsItemSelected(final MenuItem menuItem) { |
| 97 | boolean lifecycleHandled = mLifecycle.onOptionsItemSelected(menuItem); |
| 98 | if (!lifecycleHandled) { |
| 99 | return super.onOptionsItemSelected(menuItem); |
| 100 | } |
| 101 | return lifecycleHandled; |
| 102 | } |
| 103 | |
Tony Mantler | ece840b | 2017-11-10 13:16:59 -0800 | [diff] [blame] | 104 | @Override |
| 105 | public Lifecycle getLifecycle() { |
| 106 | return mLifecycle; |
Juan Lang | 5efe8f0 | 2017-05-04 16:59:46 -0700 | [diff] [blame] | 107 | } |
| 108 | } |