1 files changed, 41 insertions, 0 deletions
diff --git a/src/com/android/launcher3/util/PillWidthRevealOutlineProvider.java b/src/com/android/launcher3/util/PillWidthRevealOutlineProvider.java
new file mode 100644
index 000000000..89dda3b26
--- /dev/null
+++ b/src/com/android/launcher3/util/PillWidthRevealOutlineProvider.java
@@ -0,0 +1,41 @@
+/*
+ * 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.graphics.Rect;
+
+/**
+ * Extension of {@link PillRevealOutlineProvider} which only changes the width of the pill.
+ */
+public class PillWidthRevealOutlineProvider extends PillRevealOutlineProvider {
+
+    private final int mStartLeft;
+    private final int mStartRight;
+
+    public PillWidthRevealOutlineProvider(Rect pillRect, int left, int right) {
+        super(0, 0, pillRect);
+        mOutline.set(pillRect);
+        mStartLeft = left;
+        mStartRight = right;
+    }
+
+    @Override
+    public void setProgress(float progress) {
+        mOutline.left = (int) (progress * mPillRect.left + (1 - progress) * mStartLeft);
+        mOutline.right = (int) (progress * mPillRect.right + (1 - progress) * mStartRight);
+    }
+}