1 files changed, 39 insertions, 0 deletions
diff --git a/src/com/android/camera/ui/motion/AnimationClock.java b/src/com/android/camera/ui/motion/AnimationClock.java
new file mode 100644
index 000000000..d2504de6b
--- /dev/null
+++ b/src/com/android/camera/ui/motion/AnimationClock.java
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2014 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.camera.ui.motion;
+
+import android.os.SystemClock;
+
+/**
+ * Wraps the SystemClock static time methods so they can be exercised in tests.
+ */
+public abstract class AnimationClock {
+
+    public abstract long getTimeMillis();
+
+    /**
+     * Forwards calls to SystemClock.uptimeMillis() since it is the most consistent clock for
+     * animations.
+     */
+    public static class SystemTimeClock extends AnimationClock {
+
+        @Override
+        public long getTimeMillis() {
+            return SystemClock.uptimeMillis();
+        }
+    }
+}