1 files changed, 64 insertions, 0 deletions
diff --git a/src/com/android/launcher3/util/ItemInfoMatcher.java b/src/com/android/launcher3/util/ItemInfoMatcher.java
new file mode 100644
index 000000000..6189bf2f4
--- /dev/null
+++ b/src/com/android/launcher3/util/ItemInfoMatcher.java
@@ -0,0 +1,64 @@
+/*
+ * 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 com.android.launcher3.ItemInfo;
+import com.android.launcher3.LauncherSettings.Favorites;
+import com.android.launcher3.compat.UserHandleCompat;
+import com.android.launcher3.shortcuts.ShortcutKey;
+
+import java.util.HashSet;
+
+/**
+ * A utility class to check for {@link ItemInfo}
+ */
+public abstract class ItemInfoMatcher {
+
+    public abstract boolean matches(ItemInfo info, ComponentName cn);
+
+    public static ItemInfoMatcher ofComponents(
+            final HashSet<ComponentName> components, final UserHandleCompat user) {
+        return new ItemInfoMatcher() {
+            @Override
+            public boolean matches(ItemInfo info, ComponentName cn) {
+                return components.contains(cn) && info.user.equals(user);
+            }
+        };
+    }
+
+    public static ItemInfoMatcher ofPackages(
+            final HashSet<String> packageNames, final UserHandleCompat user) {
+        return new ItemInfoMatcher() {
+            @Override
+            public boolean matches(ItemInfo info, ComponentName cn) {
+                return packageNames.contains(cn.getPackageName()) && info.user.equals(user);
+            }
+        };
+    }
+
+    public static ItemInfoMatcher ofShortcutKeys(final HashSet<ShortcutKey> keys) {
+        return new ItemInfoMatcher() {
+            @Override
+            public boolean matches(ItemInfo info, ComponentName cn) {
+                return info.itemType == Favorites.ITEM_TYPE_DEEP_SHORTCUT &&
+                        keys.contains(ShortcutKey.fromItemInfo(info));
+            }
+        };
+    }
+}