1 files changed, 60 insertions, 0 deletions
diff --git a/java/com/android/dialer/util/TouchPointManager.java b/java/com/android/dialer/util/TouchPointManager.java
new file mode 100644
index 000000000..0bd7371cc
--- /dev/null
+++ b/java/com/android/dialer/util/TouchPointManager.java
@@ -0,0 +1,60 @@
+/*
+ * 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.dialer.util;
+
+import android.graphics.Point;
+
+/**
+ * Singleton class to keep track of where the user last touched the screen.
+ *
+ * <p>Used to pass on to the InCallUI for animation.
+ */
+public class TouchPointManager {
+
+  public static final String TOUCH_POINT = "touchPoint";
+
+  private static TouchPointManager sInstance = new TouchPointManager();
+
+  private Point mPoint = new Point();
+
+  /** Private constructor. Instance should only be acquired through getRunningInstance(). */
+  private TouchPointManager() {}
+
+  public static TouchPointManager getInstance() {
+    return sInstance;
+  }
+
+  public Point getPoint() {
+    return mPoint;
+  }
+
+  public void setPoint(int x, int y) {
+    mPoint.set(x, y);
+  }
+
+  /**
+   * When a point is initialized, its value is (0,0). Since it is highly unlikely a user will touch
+   * at that exact point, if the point in TouchPointManager is (0,0), it is safe to assume that the
+   * TouchPointManager has not yet collected a touch.
+   *
+   * @return True if there is a valid point saved. Define a valid point as any point that is not
+   *     (0,0).
+   */
+  public boolean hasValidPoint() {
+    return mPoint.x != 0 || mPoint.y != 0;
+  }
+}