XmppFragment.java

 1/*
 2 * Copyright (c) 2018, Daniel Gultsch All rights reserved.
 3 *
 4 * Redistribution and use in source and binary forms, with or without modification,
 5 * are permitted provided that the following conditions are met:
 6 *
 7 * 1. Redistributions of source code must retain the above copyright notice, this
 8 * list of conditions and the following disclaimer.
 9 *
10 * 2. Redistributions in binary form must reproduce the above copyright notice,
11 * this list of conditions and the following disclaimer in the documentation and/or
12 * other materials provided with the distribution.
13 *
14 * 3. Neither the name of the copyright holder nor the names of its contributors
15 * may be used to endorse or promote products derived from this software without
16 * specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
22 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
25 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30package eu.siacs.conversations.ui;
31
32import android.app.Activity;
33import android.app.Fragment;
34
35import androidx.lifecycle.Lifecycle;
36import androidx.lifecycle.LifecycleRegistry;
37import androidx.lifecycle.LifecycleOwner;
38
39import java.util.Set;
40
41import eu.siacs.conversations.ui.interfaces.OnBackendConnected;
42import eu.siacs.conversations.xmpp.Jid;
43
44public abstract class XmppFragment extends Fragment implements OnBackendConnected, LifecycleOwner {
45
46	protected LifecycleRegistry lifecycle = new LifecycleRegistry(this);
47
48	abstract protected void refresh();
49	public void refreshForNewCaps(final Set<Jid> newCapsJids) { }
50
51	protected void runOnUiThread(Runnable runnable) {
52		final Activity activity = getActivity();
53		if (activity != null) {
54			activity.runOnUiThread(runnable);
55		}
56	}
57
58	@Override
59	public void onStart() {
60		super.onStart();
61		lifecycle.handleLifecycleEvent(Lifecycle.Event.ON_START);
62	}
63
64	@Override
65	public void onResume() {
66		super.onResume();
67		lifecycle.handleLifecycleEvent(Lifecycle.Event.ON_RESUME);
68	}
69
70	@Override
71	public void onPause() {
72		lifecycle.handleLifecycleEvent(Lifecycle.Event.ON_PAUSE);
73		super.onPause();
74	}
75
76	@Override
77	public void onStop() {
78		lifecycle.handleLifecycleEvent(Lifecycle.Event.ON_STOP);
79		super.onStop();
80	}
81
82	@Override
83	public void onDestroy() {
84		if (lifecycle.getCurrentState().isAtLeast(Lifecycle.State.CREATED)) {
85			try {
86				lifecycle.handleLifecycleEvent(Lifecycle.Event.ON_DESTROY);
87			} catch (IllegalStateException e) {  }
88		}
89		super.onDestroy();
90	}
91
92	@Override
93	public Lifecycle getLifecycle() {
94		return lifecycle;
95	}
96}