From 2f4d2af93a25020175ff93f7fb6088b7360ef413 Mon Sep 17 00:00:00 2001
From: Vadim Tryshev <vadimt@google.com>
Date: Fri, 9 Mar 2018 11:08:53 -0800
Subject: Adding generation of ACTION_TOGGLE_RECENTS to shared lib

Bug: 72967764
Test: atest google/perf/app-transition/sysui-latency-test, watch for 1_*
entries in output

Change-Id: I0bfaa46df4f3167687099742cb3063e88dab30ae
---
 .../com/android/internal/util/LatencyTracker.java  | 13 +++++++--
 .../shared/system/LatencyTrackerCompat.java        | 34 ++++++++++++++++++++++
 2 files changed, 45 insertions(+), 2 deletions(-)
 create mode 100644 packages/SystemUI/shared/src/com/android/systemui/shared/system/LatencyTrackerCompat.java

diff --git a/core/java/com/android/internal/util/LatencyTracker.java b/core/java/com/android/internal/util/LatencyTracker.java
index 72cd24888dcc..6c3a58ce3908 100644
--- a/core/java/com/android/internal/util/LatencyTracker.java
+++ b/core/java/com/android/internal/util/LatencyTracker.java
@@ -147,8 +147,17 @@ public class LatencyTracker {
         }
         mStartRtc.delete(action);
         Trace.asyncTraceEnd(Trace.TRACE_TAG_APP, NAMES[action], 0);
-        long duration = endRtc - startRtc;
+        logAction(action, (int)(endRtc - startRtc));
+    }
+
+    /**
+     * Logs an action that has started and ended. This needs to be called from the main thread.
+     *
+     * @param action The action to end. One of the ACTION_* values.
+     * @param duration The duration of the action in ms.
+     */
+    public static void logAction(int action, int duration) {
         Log.i(TAG, "action=" + action + " latency=" + duration);
-        EventLog.writeEvent(EventLogTags.SYSUI_LATENCY, action, (int) duration);
+        EventLog.writeEvent(EventLogTags.SYSUI_LATENCY, action, duration);
     }
 }
diff --git a/packages/SystemUI/shared/src/com/android/systemui/shared/system/LatencyTrackerCompat.java b/packages/SystemUI/shared/src/com/android/systemui/shared/system/LatencyTrackerCompat.java
new file mode 100644
index 000000000000..0d5933e5f599
--- /dev/null
+++ b/packages/SystemUI/shared/src/com/android/systemui/shared/system/LatencyTrackerCompat.java
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2018 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.systemui.shared.system;
+
+import android.content.Context;
+
+import com.android.internal.util.LatencyTracker;
+
+/**
+ * @see LatencyTracker
+ */
+public class LatencyTrackerCompat {
+    public static boolean isEnabled(Context context) {
+        return LatencyTracker.isEnabled(context);
+    }
+
+    public static void logToggleRecents(int duration) {
+        LatencyTracker.logAction(LatencyTracker.ACTION_TOGGLE_RECENTS, duration);
+    }
+}
\ No newline at end of file
-- 
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