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
|
/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.launcher3.util;
import android.content.ComponentName;
import android.os.UserHandle;
import com.android.launcher3.FolderInfo;
import com.android.launcher3.ItemInfo;
import com.android.launcher3.LauncherAppWidgetInfo;
import com.android.launcher3.LauncherSettings.Favorites;
import com.android.launcher3.WorkspaceItemInfo;
import com.android.launcher3.shortcuts.ShortcutKey;
import java.util.HashSet;
/**
* A utility class to check for {@link ItemInfo}
*/
public interface ItemInfoMatcher {
boolean matches(ItemInfo info, ComponentName cn);
/**
* Filters {@param infos} to those satisfying the {@link #matches(ItemInfo, ComponentName)}.
*/
default HashSet<ItemInfo> filterItemInfos(Iterable<ItemInfo> infos) {
HashSet<ItemInfo> filtered = new HashSet<>();
for (ItemInfo i : infos) {
if (i instanceof WorkspaceItemInfo) {
WorkspaceItemInfo info = (WorkspaceItemInfo) i;
ComponentName cn = info.getTargetComponent();
if (cn != null && matches(info, cn)) {
filtered.add(info);
}
} else if (i instanceof FolderInfo) {
FolderInfo info = (FolderInfo) i;
for (WorkspaceItemInfo s : info.contents) {
ComponentName cn = s.getTargetComponent();
if (cn != null && matches(s, cn)) {
filtered.add(s);
}
}
} else if (i instanceof LauncherAppWidgetInfo) {
LauncherAppWidgetInfo info = (LauncherAppWidgetInfo) i;
ComponentName cn = info.providerName;
if (cn != null && matches(info, cn)) {
filtered.add(info);
}
}
}
return filtered;
}
/**
* Returns a new matcher with returns true if either this or {@param matcher} returns true.
*/
default ItemInfoMatcher or(ItemInfoMatcher matcher) {
return (info, cn) -> matches(info, cn) || matcher.matches(info, cn);
}
/**
* Returns a new matcher with returns true if both this and {@param matcher} returns true.
*/
default ItemInfoMatcher and(ItemInfoMatcher matcher) {
return (info, cn) -> matches(info, cn) && matcher.matches(info, cn);
}
/**
* Returns a new matcher which returns the opposite boolean value of the provided
* {@param matcher}.
*/
static ItemInfoMatcher not(ItemInfoMatcher matcher) {
return (info, cn) -> !matcher.matches(info, cn);
}
static ItemInfoMatcher ofUser(UserHandle user) {
return (info, cn) -> info.user.equals(user);
}
static ItemInfoMatcher ofComponents(HashSet<ComponentName> components, UserHandle user) {
return (info, cn) -> components.contains(cn) && info.user.equals(user);
}
static ItemInfoMatcher ofPackages(HashSet<String> packageNames, UserHandle user) {
return (info, cn) -> packageNames.contains(cn.getPackageName()) && info.user.equals(user);
}
static ItemInfoMatcher ofShortcutKeys(HashSet<ShortcutKey> keys) {
return (info, cn) -> info.itemType == Favorites.ITEM_TYPE_DEEP_SHORTCUT &&
keys.contains(ShortcutKey.fromItemInfo(info));
}
static ItemInfoMatcher ofItemIds(IntSparseArrayMap<Boolean> ids, Boolean matchDefault) {
return (info, cn) -> ids.get(info.id, matchDefault);
}
}
|
