commit 280a64e793d081847c5dcea23ed9be38aa5332d2
author Dianne Hackborn <hackbod@google.com> Mon Jul 13 14:48:08 2015 -0700
committer Dianne Hackborn <hackbod@google.com> Wed Jul 15 09:59:07 2015 -0700
tree a9ea0a4aca5e578efb1b9e252477cedfa79c547f
parent 18709f9a0095afe6dba11f9dd71e3210c5f4e1db

Improve tracking of screen on reasons.

- New screen on app op to record the last time each app has
  caused the screen to be turned on.
- New battery stats event that tells us the reason the screen
  has been asked to turn on.
- Propagate out power manager API to specify the reason a caller
  is asking to have the screen turned on.

Note that currently the window flag to turn the screen on bypasses
much of this because it is being handled in the window manager by
just directly telling the power manager to turn the screen on.  To
make this better we need a new API where it can specify who it is
calling the API for.

Change-Id: I667e56cb1f80508d054da004db667efbcc22e971

core/java/android/os/BatteryStats.java

diff --git a/core/java/android/os/BatteryStats.java b/core/java/android/os/BatteryStats.java
index 452e4d5..ecb7f5a 100644
--- a/core/java/android/os/BatteryStats.java
+++ b/core/java/android/os/BatteryStats.java
@@ -1195,9 +1195,11 @@
         public static final int EVENT_PACKAGE_ACTIVE = 0x0010;
         // Event for a package being on the temporary whitelist.
         public static final int EVENT_TEMP_WHITELIST = 0x0011;
+        // Event for the screen waking up.
+        public static final int EVENT_SCREEN_WAKE_UP = 0x0012;
 
         // Number of event types.
-        public static final int EVENT_COUNT = 0x0012;
+        public static final int EVENT_COUNT = 0x0013;
         // Mask to extract out only the type part of the event.
         public static final int EVENT_TYPE_MASK = ~(EVENT_FLAG_START|EVENT_FLAG_FINISH);
 
@@ -1858,12 +1860,14 @@
 
     public static final String[] HISTORY_EVENT_NAMES = new String[] {
             "null", "proc", "fg", "top", "sync", "wake_lock_in", "job", "user", "userfg", "conn",
-            "active", "pkginst", "pkgunin", "alarm", "stats", "inactive", "active", "tmpwhitelist"
+            "active", "pkginst", "pkgunin", "alarm", "stats", "inactive", "active", "tmpwhitelist",
+            "screenwake",
     };
 
     public static final String[] HISTORY_EVENT_CHECKIN_NAMES = new String[] {
             "Enl", "Epr", "Efg", "Etp", "Esy", "Ewl", "Ejb", "Eur", "Euf", "Ecn",
-            "Eac", "Epi", "Epu", "Eal", "Est", "Eai", "Eaa", "Etw"
+            "Eac", "Epi", "Epu", "Eal", "Est", "Eai", "Eaa", "Etw",
+            "Esw",
     };
 
     /**