1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
/*
* Copyright © 2018 Samuel Holland <samuel@sholland.org>
* Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
* SPDX-License-Identifier: GPL-2.0-or-later
*/
package com.wireguard.android.databinding;
import android.databinding.BindingAdapter;
import android.databinding.ObservableList;
import android.databinding.adapters.ListenerUtil;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.text.InputFilter;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.TextView;
import com.wireguard.android.R;
import com.wireguard.android.util.ObservableKeyedList;
import com.wireguard.android.widget.ToggleSwitch;
import com.wireguard.android.widget.ToggleSwitch.OnBeforeCheckedChangeListener;
import com.wireguard.util.Keyed;
/**
* Static methods for use by generated code in the Android data binding library.
*/
@SuppressWarnings("unused")
public final class BindingAdapters {
private BindingAdapters() {
// Prevent instantiation.
}
@BindingAdapter("checked")
public static void setChecked(final ToggleSwitch view, final boolean checked) {
view.setCheckedInternal(checked);
}
@BindingAdapter("filter")
public static void setFilter(final TextView view, final InputFilter filter) {
view.setFilters(new InputFilter[]{filter});
}
@BindingAdapter({"items", "layout"})
public static <E> void setItems(final LinearLayout view,
final ObservableList<E> oldList, final int oldLayoutId,
final ObservableList<E> newList, final int newLayoutId) {
if (oldList == newList && oldLayoutId == newLayoutId)
return;
ItemChangeListener<E> listener = ListenerUtil.getListener(view, R.id.item_change_listener);
// If the layout changes, any existing listener must be replaced.
if (listener != null && oldList != null && oldLayoutId != newLayoutId) {
listener.setList(null);
listener = null;
// Stop tracking the old listener.
ListenerUtil.trackListener(view, null, R.id.item_change_listener);
}
// Avoid adding a listener when there is no new list or layout.
if (newList == null || newLayoutId == 0)
return;
if (listener == null) {
listener = new ItemChangeListener<>(view, newLayoutId);
ListenerUtil.trackListener(view, listener, R.id.item_change_listener);
}
// Either the list changed, or this is an entirely new listener because the layout changed.
listener.setList(newList);
}
@BindingAdapter({"items", "layout"})
public static <K, E extends Keyed<? extends K>>
void setItems(final ListView view,
final ObservableKeyedList<K, E> oldList, final int oldLayoutId,
final ObservableKeyedList<K, E> newList, final int newLayoutId) {
if (oldList == newList && oldLayoutId == newLayoutId)
return;
// The ListAdapter interface is not generic, so this cannot be checked.
@SuppressWarnings("unchecked") ObservableKeyedListAdapter<K, E> adapter =
(ObservableKeyedListAdapter<K, E>) view.getAdapter();
// If the layout changes, any existing adapter must be replaced.
if (adapter != null && oldList != null && oldLayoutId != newLayoutId) {
adapter.setList(null);
adapter = null;
}
// Avoid setting an adapter when there is no new list or layout.
if (newList == null || newLayoutId == 0)
return;
if (adapter == null) {
adapter = new ObservableKeyedListAdapter<>(view.getContext(), newLayoutId, newList);
view.setAdapter(adapter);
}
// Either the list changed, or this is an entirely new listener because the layout changed.
adapter.setList(newList);
}
@BindingAdapter({"items", "layout"})
public static <K, E extends Keyed<? extends K>>
void setItems(final RecyclerView view,
final ObservableKeyedList<K, E> oldList, final int oldLayoutId,
final ObservableKeyedList<K, E> newList, final int newLayoutId) {
if (view.getLayoutManager() == null)
view.setLayoutManager(new LinearLayoutManager(view.getContext(), RecyclerView.VERTICAL, false));
if (oldList == newList && oldLayoutId == newLayoutId)
return;
// The ListAdapter interface is not generic, so this cannot be checked.
@SuppressWarnings("unchecked") ObservableKeyedRecyclerViewAdapter<K, E> adapter =
(ObservableKeyedRecyclerViewAdapter<K, E>) view.getAdapter();
// If the layout changes, any existing adapter must be replaced.
if (adapter != null && oldList != null && oldLayoutId != newLayoutId) {
adapter.setList(null);
adapter = null;
}
// Avoid setting an adapter when there is no new list or layout.
if (newList == null || newLayoutId == 0)
return;
if (adapter == null) {
adapter = new ObservableKeyedRecyclerViewAdapter<>(view.getContext(), newLayoutId, newList);
view.setAdapter(adapter);
}
// Either the list changed, or this is an entirely new listener because the layout changed.
adapter.setList(newList);
}
@BindingAdapter("onBeforeCheckedChanged")
public static void setOnBeforeCheckedChanged(final ToggleSwitch view,
final OnBeforeCheckedChangeListener listener) {
view.setOnBeforeCheckedChangeListener(listener);
}
}
|
