Add uptimeMillis to the Clock interface

PiperOrigin-RevId: 185434148
Change-Id: I4033341070991a9e883d2f4874913d70045058b2

2 files changed, 21 insertions, 2 deletions

diff --git a/common/src/com/android/tv/common/util/Clock.java b/common/src/com/android/tv/common/util/Clock.java
index a8c4366c..cd6ede86 100644
--- a/common/src/com/android/tv/common/util/Clock.java
+++ b/common/src/com/android/tv/common/util/Clock.java
@@ -23,8 +23,9 @@ import android.os.SystemClock;
  */
 public interface Clock {
     /**
-     * Returns the current time in milliseconds since January 1, 1970 00:00:00.0 UTC. See {@link
-     * System#currentTimeMillis()}.
+     * Returns the current time in milliseconds since January 1, 1970 00:00:00.0 UTC.
+     *
+     * @see System#currentTimeMillis().
      */
     long currentTimeMillis();
 
@@ -36,6 +37,14 @@ public interface Clock {
     long elapsedRealtime();
 
     /**
+     * Returns milliseconds since boot, not counting time spent in deep sleep.
+     *
+     * @return milliseconds of non-sleep uptime since boot.
+     * @see SystemClock#uptimeMillis()
+     */
+    long uptimeMillis();
+
+    /**
      * Waits a given number of milliseconds (of uptimeMillis) before returning.
      *
      * @param ms to sleep before returning, in milliseconds of uptime.
@@ -60,5 +69,10 @@ public interface Clock {
                 public void sleep(long ms) {
                     SystemClock.sleep(ms);
                 }
+
+                @Override
+                public long uptimeMillis() {
+                    return SystemClock.uptimeMillis();
+                }
             };
 }
diff --git a/tests/common/src/com/android/tv/testing/FakeClock.java b/tests/common/src/com/android/tv/testing/FakeClock.java
index 66978a3d..fc4ca6df 100644
--- a/tests/common/src/com/android/tv/testing/FakeClock.java
+++ b/tests/common/src/com/android/tv/testing/FakeClock.java
@@ -89,6 +89,11 @@ public class FakeClock implements Clock {
         return mCurrentTimeMillis - mBootTimeMillis;
     }
 
+    @Override
+    public long uptimeMillis() {
+        return elapsedRealtime();
+    }
+
     /** Sleep does not block it just updates the current time. */
     @Override
     public void sleep(long ms) {