1 files changed, 50 insertions, 0 deletions
diff --git a/common/src/com/android/tv/common/util/Debug.java b/common/src/com/android/tv/common/util/Debug.java
new file mode 100644
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+++ b/common/src/com/android/tv/common/util/Debug.java
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+/*
+ * 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.tv.common.util;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.concurrent.TimeUnit;
+
+/** A class only for help developers. */
+public class Debug {
+    /**
+     * A threshold of start up time, when the start up time of Live TV is more than it, a
+     * warning will show to the developer.
+     */
+    public static final long TIME_START_UP_DURATION_THRESHOLD = TimeUnit.SECONDS.toMillis(6);
+    /** Tag for measuring start up time of Live TV. */
+    public static final String TAG_START_UP_TIMER = "start_up_timer";
+
+    /** A global map for duration timers. */
+    private static final Map<String, DurationTimer> sTimerMap = new HashMap<>();
+
+    /** Returns the global duration timer by tag. */
+    public static DurationTimer getTimer(String tag) {
+        if (sTimerMap.get(tag) != null) {
+            return sTimerMap.get(tag);
+        }
+        DurationTimer timer = new DurationTimer(tag, true);
+        sTimerMap.put(tag, timer);
+        return timer;
+    }
+
+    /** Removes the global duration timer by tag. */
+    public static DurationTimer removeTimer(String tag) {
+        return sTimerMap.remove(tag);
+    }
+}