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/*
* 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 android.util.Log;
import androidx.annotation.NonNull;
import com.android.launcher3.LauncherSettings.Favorites;
import com.android.launcher3.model.data.FolderInfo;
import com.android.launcher3.model.data.ItemInfo;
import com.android.launcher3.shortcuts.ShortcutKey;
import com.android.launcher3.testing.shared.TestProtocol;
import java.util.Collection;
import java.util.HashSet;
import java.util.Set;
import java.util.function.Predicate;
/**
* A utility class to check for {@link ItemInfo}
*/
public abstract class ItemInfoMatcher {
/**
* Empty component used for match testing
*/
private static final ComponentName EMPTY_COMPONENT = new ComponentName("", "");
public static Predicate<ItemInfo> ofUser(UserHandle user) {
return info -> {
if (TestProtocol.sDebugTracing) {
Log.d(TestProtocol.WORK_TAB_MISSING, "userHandle: " + user
+ ", itemUserHandle: " + info.user
+ " package: " + info.getTargetPackage());
}
return info != null && info.user.equals(user);
};
}
public static Predicate<ItemInfo> ofComponents(
HashSet<ComponentName> components, UserHandle user) {
return info -> info != null && info.user.equals(user)
&& components.contains(getNonNullComponent(info));
}
public static Predicate<ItemInfo> ofPackages(Set<String> packageNames, UserHandle user) {
return info -> info != null && info.user.equals(user)
&& packageNames.contains(getNonNullComponent(info).getPackageName());
}
public static Predicate<ItemInfo> ofShortcutKeys(Set<ShortcutKey> keys) {
return info -> info != null && info.itemType == Favorites.ITEM_TYPE_DEEP_SHORTCUT
&& keys.contains(ShortcutKey.fromItemInfo(info));
}
/**
* Returns a matcher for items within folders.
*/
public static Predicate<ItemInfo> forFolderMatch(Predicate<ItemInfo> childOperator) {
return info -> info instanceof FolderInfo && ((FolderInfo) info).contents.stream()
.anyMatch(childOperator);
}
/**
* Returns a matcher for items with provided ids
*/
public static Predicate<ItemInfo> ofItemIds(IntSet ids) {
return info -> info != null && ids.contains(info.id);
}
/**
* Returns a matcher for items with provided items
*/
public static Predicate<ItemInfo> ofItems(Collection<? extends ItemInfo> items) {
IntSet ids = new IntSet();
items.forEach(item -> ids.add(item.id));
return ofItemIds(ids);
}
private static ComponentName getNonNullComponent(@NonNull ItemInfo info) {
ComponentName cn = info.getTargetComponent();
return cn != null ? cn : EMPTY_COMPONENT;
}
}
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