1 files changed, 64 insertions, 0 deletions
diff --git a/src/com/android/launcher3/dot/FolderDotInfo.java b/src/com/android/launcher3/dot/FolderDotInfo.java
new file mode 100644
index 000000000..b5eb8cd58
--- /dev/null
+++ b/src/com/android/launcher3/dot/FolderDotInfo.java
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2017 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.dot;
+
+import android.view.ViewDebug;
+
+import com.android.launcher3.Utilities;
+
+/**
+ * Subclass of DotInfo that only contains the dot count, which is
+ * the sum of all the Folder's items' notifications (each counts as 1).
+ */
+public class FolderDotInfo extends DotInfo {
+
+    private static final int MIN_COUNT = 0;
+
+    private int mNumNotifications;
+
+    public FolderDotInfo() {
+        super(null);
+    }
+
+    public void addDotInfo(DotInfo dotToAdd) {
+        if (dotToAdd == null) {
+            return;
+        }
+        mNumNotifications += dotToAdd.getNotificationKeys().size();
+        mNumNotifications = Utilities.boundToRange(
+                mNumNotifications, MIN_COUNT, DotInfo.MAX_COUNT);
+    }
+
+    public void subtractDotInfo(DotInfo dotToSubtract) {
+        if (dotToSubtract == null) {
+            return;
+        }
+        mNumNotifications -= dotToSubtract.getNotificationKeys().size();
+        mNumNotifications = Utilities.boundToRange(
+                mNumNotifications, MIN_COUNT, DotInfo.MAX_COUNT);
+    }
+
+    @Override
+    public int getNotificationCount() {
+        return mNumNotifications;
+    }
+
+    @ViewDebug.ExportedProperty(category = "launcher")
+    public boolean hasDot() {
+        return mNumNotifications > 0;
+    }
+}