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 | |
| 18 | import android.app.DialogFragment; |
| 19 | import android.content.Context; |
| 20 | import android.support.annotation.VisibleForTesting; |
| 21 | import android.view.Menu; |
| 22 | import android.view.MenuInflater; |
| 23 | import android.view.MenuItem; |
| 24 | |
| 25 | /** |
| 26 | * {@link DialogFragment} that has hooks to observe fragment lifecycle events. |
| 27 | */ |
| 28 | public class ObservableDialogFragment extends DialogFragment { |
| 29 | |
| 30 | protected final Lifecycle mLifecycle = createLifecycle(); |
| 31 | |
| 32 | @Override |
| 33 | public void onAttach(Context context) { |
| 34 | super.onAttach(context); |
| 35 | mLifecycle.onAttach(context); |
| 36 | } |
| 37 | |
| 38 | @Override |
| 39 | public void onStart() { |
| 40 | mLifecycle.onStart(); |
| 41 | super.onStart(); |
| 42 | } |
| 43 | |
| 44 | @Override |
| 45 | public void onResume() { |
| 46 | mLifecycle.onResume(); |
| 47 | super.onResume(); |
| 48 | } |
| 49 | |
| 50 | @Override |
| 51 | public void onPause() { |
| 52 | mLifecycle.onPause(); |
| 53 | super.onPause(); |
| 54 | } |
| 55 | |
| 56 | @Override |
| 57 | public void onStop() { |
| 58 | mLifecycle.onStop(); |
| 59 | super.onStop(); |
| 60 | } |
| 61 | |
| 62 | @Override |
| 63 | public void onDestroy() { |
| 64 | mLifecycle.onDestroy(); |
| 65 | super.onDestroy(); |
| 66 | } |
| 67 | |
| 68 | @Override |
| 69 | public void onCreateOptionsMenu(final Menu menu, final MenuInflater inflater) { |
| 70 | mLifecycle.onCreateOptionsMenu(menu, inflater); |
| 71 | super.onCreateOptionsMenu(menu, inflater); |
| 72 | } |
| 73 | |
| 74 | @Override |
| 75 | public void onPrepareOptionsMenu(final Menu menu) { |
| 76 | mLifecycle.onPrepareOptionsMenu(menu); |
| 77 | super.onPrepareOptionsMenu(menu); |
| 78 | } |
| 79 | |
| 80 | @Override |
| 81 | public boolean onOptionsItemSelected(final MenuItem menuItem) { |
| 82 | boolean lifecycleHandled = mLifecycle.onOptionsItemSelected(menuItem); |
| 83 | if (!lifecycleHandled) { |
| 84 | return super.onOptionsItemSelected(menuItem); |
| 85 | } |
| 86 | return lifecycleHandled; |
| 87 | } |
| 88 | |
| 89 | @VisibleForTesting(otherwise = VisibleForTesting.NONE) |
| 90 | /** @return a new lifecycle. */ |
| 91 | public static Lifecycle createLifecycle() { |
| 92 | return new Lifecycle(); |
| 93 | } |
| 94 | } |