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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 com.android.launcher3.LauncherSettings.Favorites;
import com.android.launcher3.model.data.ItemInfo;
import com.android.launcher3.shortcuts.ShortcutKey;
import java.util.HashSet;
import java.util.Set;
/**
* A utility class to check for {@link ItemInfo}
*/
public interface ItemInfoMatcher {
boolean matches(ItemInfo info, ComponentName cn);
/**
* Returns true if the itemInfo matches this check
*/
default boolean matchesInfo(ItemInfo info) {
if (info != null) {
ComponentName cn = info.getTargetComponent();
return cn != null && matches(info, cn);
} else {
return false;
}
}
/**
* 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 with returns the opposite value of this.
*/
default ItemInfoMatcher negate() {
return (info, cn) -> !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(Set<String> packageNames, UserHandle user) {
return (info, cn) -> packageNames.contains(cn.getPackageName()) && info.user.equals(user);
}
static ItemInfoMatcher ofShortcutKeys(Set<ShortcutKey> keys) {
return (info, cn) -> info.itemType == Favorites.ITEM_TYPE_DEEP_SHORTCUT &&
keys.contains(ShortcutKey.fromItemInfo(info));
}
/**
* Returns a matcher for items with provided ids
*/
static ItemInfoMatcher ofItemIds(IntSet ids) {
return (info, cn) -> ids.contains(info.id);
}
}
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