add wireless charger support

bug: 6879638

- add new enum value BATTERY_PLUGGED_WIRELESS
- check for sys online file with contents "Wireless"

Change-Id: I22dc3c40f50573c98643e7b5cbcb237d0216530d

Author: Brian Muramatsu

api/current.txt

@@ -15515,6 +15515,7 @@ package android.os {
     field public static final int BATTERY_HEALTH_UNSPECIFIED_FAILURE = 6; // 0x6
     field public static final int BATTERY_PLUGGED_AC = 1; // 0x1
     field public static final int BATTERY_PLUGGED_USB = 2; // 0x2
+    field public static final int BATTERY_PLUGGED_WIRELESS = 4; // 0x4
     field public static final int BATTERY_STATUS_CHARGING = 2; // 0x2
     field public static final int BATTERY_STATUS_DISCHARGING = 3; // 0x3
     field public static final int BATTERY_STATUS_FULL = 5; // 0x5

cmds/svc/src/com/android/commands/svc/PowerCommand.java

@@ -37,7 +37,7 @@ public String shortHelp() {
     public String longHelp() {
         return shortHelp() + "\n"
                 + "\n"
-                + "usage: svc power stayon [true|false|usb|ac]\n"
+                + "usage: svc power stayon [true|false|usb|ac|wireless]\n"
                 + "         Set the 'keep awake while plugged in' setting.\n";
     }
 
@@ -48,16 +48,18 @@ public void run(String[] args) {
                     int val;
                     if ("true".equals(args[2])) {
                         val = BatteryManager.BATTERY_PLUGGED_AC |
-                                BatteryManager.BATTERY_PLUGGED_USB;
+                                BatteryManager.BATTERY_PLUGGED_USB |
+                                BatteryManager.BATTERY_PLUGGED_WIRELESS;
                     }
                     else if ("false".equals(args[2])) {
                         val = 0;
                     } else if ("usb".equals(args[2])) {
                         val = BatteryManager.BATTERY_PLUGGED_USB;
                     } else if ("ac".equals(args[2])) {
                         val = BatteryManager.BATTERY_PLUGGED_AC;
-                    }
-                    else {
+                    } else if ("wireless".equals(args[2])) {
+                        val = BatteryManager.BATTERY_PLUGGED_WIRELESS;
+                    } else {
                         break fail;
                     }
                     IPowerManager pm

core/java/android/os/BatteryManager.java

@@ -115,4 +115,6 @@ public class BatteryManager {
     public static final int BATTERY_PLUGGED_AC = 1;
     /** Power source is a USB port. */
     public static final int BATTERY_PLUGGED_USB = 2;
+    /** Power source is wireless. */
+    public static final int BATTERY_PLUGGED_WIRELESS = 4;
 }

core/java/android/os/BatteryStats.java

@@ -2071,6 +2071,9 @@ public void printNextItem(PrintWriter pw, HistoryItem rec, long now) {
                         case BatteryManager.BATTERY_PLUGGED_USB:
                             pw.print("usb");
                             break;
+                        case BatteryManager.BATTERY_PLUGGED_WIRELESS:
+                            pw.print("wireless");
+                            break;
                         default:
                             pw.print(oldPlug);
                             break;

core/java/android/provider/Settings.java

@@ -1147,6 +1147,7 @@ public static void setShowGTalkServiceStatus(ContentResolver cr, boolean flag) {
          * <li>{@code 0} to never stay on while plugged in</li>
          * <li>{@link BatteryManager#BATTERY_PLUGGED_AC} to stay on for AC charger</li>
          * <li>{@link BatteryManager#BATTERY_PLUGGED_USB} to stay on for USB charger</li>
+         * <li>{@link BatteryManager#BATTERY_PLUGGED_WIRELESS} to stay on for wireless charger</li>
          * </ul>
          * These values can be OR-ed together.
          */

policy/src/com/android/internal/policy/impl/KeyguardUpdateMonitor.java

@@ -259,7 +259,8 @@ public BatteryStatus(int status, int level, int plugged, int health) {
          */
         boolean isPluggedIn() {
             return plugged == BatteryManager.BATTERY_PLUGGED_AC
-                    || plugged == BatteryManager.BATTERY_PLUGGED_USB;
+                    || plugged == BatteryManager.BATTERY_PLUGGED_USB
+                    || plugged == BatteryManager.BATTERY_PLUGGED_WIRELESS;
         }
 
         /**

services/java/com/android/server/BatteryService.java

@@ -93,6 +93,7 @@ public class BatteryService extends Binder {
 
     private boolean mAcOnline;
     private boolean mUsbOnline;
+    private boolean mWirelessOnline;
     private int mBatteryStatus;
     private int mBatteryHealth;
     private boolean mBatteryPresent;
@@ -150,7 +151,8 @@ public BatteryService(Context context, LightsService lights) {
 
     public final boolean isPowered() {
         // assume we are powered if battery state is unknown so the "stay on while plugged in" option will work.
-        return (mAcOnline || mUsbOnline || mBatteryStatus == BatteryManager.BATTERY_STATUS_UNKNOWN);
+        return (mAcOnline || mUsbOnline || mWirelessOnline
+                || mBatteryStatus == BatteryManager.BATTERY_STATUS_UNKNOWN);
     }
 
     public final boolean isPowered(int plugTypeSet) {
@@ -169,6 +171,9 @@ public final boolean isPowered(int plugTypeSet) {
         if (mUsbOnline) {
             plugTypeBit |= BatteryManager.BATTERY_PLUGGED_USB;
         }
+        if (mWirelessOnline) {
+            plugTypeBit |= BatteryManager.BATTERY_PLUGGED_WIRELESS;
+        }
         return (plugTypeSet & plugTypeBit) != 0;
     }
 
@@ -243,6 +248,8 @@ private void processValues() {
             mPlugType = BatteryManager.BATTERY_PLUGGED_AC;
         } else if (mUsbOnline) {
             mPlugType = BatteryManager.BATTERY_PLUGGED_USB;
+        } else if (mWirelessOnline) {
+            mPlugType = BatteryManager.BATTERY_PLUGGED_WIRELESS;
         } else {
             mPlugType = BATTERY_PLUGGED_NONE;
         }
@@ -398,6 +405,7 @@ private final void sendIntent() {
                     " temperature: " + mBatteryTemperature +
                     " technology: " + mBatteryTechnology +
                     " AC powered:" + mAcOnline + " USB powered:" + mUsbOnline +
+                    " Wireless powered:" + mWirelessOnline +
                     " icon:" + icon  + " invalid charger:" + mInvalidCharger);
         }
 
@@ -503,6 +511,7 @@ protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
                 pw.println("Current Battery Service state:");
                 pw.println("  AC powered: " + mAcOnline);
                 pw.println("  USB powered: " + mUsbOnline);
+                pw.println("  Wireless powered: " + mWirelessOnline);
                 pw.println("  status: " + mBatteryStatus);
                 pw.println("  health: " + mBatteryHealth);
                 pw.println("  present: " + mBatteryPresent);
@@ -523,6 +532,8 @@ protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
                         mAcOnline = Integer.parseInt(value) != 0;
                     } else if ("usb".equals(key)) {
                         mUsbOnline = Integer.parseInt(value) != 0;
+                    } else if ("wireless".equals(key)) {
+                        mWirelessOnline = Integer.parseInt(value) != 0;
                     } else if ("status".equals(key)) {
                         mBatteryStatus = Integer.parseInt(value);
                     } else if ("level".equals(key)) {
@@ -603,4 +614,3 @@ void updateLightsLocked() {
         }
     }
 }
-

services/jni/com_android_server_BatteryService.cpp

@@ -42,6 +42,7 @@ struct FieldIds {
     // members
     jfieldID mAcOnline;
     jfieldID mUsbOnline;
+    jfieldID mWirelessOnline;
     jfieldID mBatteryStatus;
     jfieldID mBatteryHealth;
     jfieldID mBatteryPresent;
@@ -71,6 +72,7 @@ static BatteryManagerConstants gConstants;
 struct PowerSupplyPaths {
     char* acOnlinePath;
     char* usbOnlinePath;
+    char* wirelessOnlinePath;
     char* batteryStatusPath;
     char* batteryHealthPath;
     char* batteryPresentPath;
@@ -198,6 +200,7 @@ static void android_server_BatteryService_update(JNIEnv* env, jobject obj)
 {
     setBooleanField(env, obj, gPaths.acOnlinePath, gFieldIds.mAcOnline);
     setBooleanField(env, obj, gPaths.usbOnlinePath, gFieldIds.mUsbOnline);
+    setBooleanField(env, obj, gPaths.wirelessOnlinePath, gFieldIds.mWirelessOnline);
     setBooleanField(env, obj, gPaths.batteryPresentPath, gFieldIds.mBatteryPresent);
 
     setIntField(env, obj, gPaths.batteryCapacityPath, gFieldIds.mBatteryLevel);
@@ -260,6 +263,11 @@ int register_android_server_BatteryService(JNIEnv* env)
                     if (access(path, R_OK) == 0)
                         gPaths.usbOnlinePath = strdup(path);
                 }
+                else if (strcmp(buf, "Wireless") == 0) {
+                    snprintf(path, sizeof(path), "%s/%s/online", POWER_SUPPLY_PATH, name);
+                    if (access(path, R_OK) == 0)
+                        gPaths.wirelessOnlinePath = strdup(path);
+                }
                 else if (strcmp(buf, "Battery") == 0) {
                     snprintf(path, sizeof(path), "%s/%s/status", POWER_SUPPLY_PATH, name);
                     if (access(path, R_OK) == 0)
@@ -307,6 +315,8 @@ int register_android_server_BatteryService(JNIEnv* env)
         ALOGE("acOnlinePath not found");
     if (!gPaths.usbOnlinePath)
         ALOGE("usbOnlinePath not found");
+    if (!gPaths.wirelessOnlinePath)
+        ALOGE("wirelessOnlinePath not found");
     if (!gPaths.batteryStatusPath)
         ALOGE("batteryStatusPath not found");
     if (!gPaths.batteryHealthPath)
@@ -331,6 +341,7 @@ int register_android_server_BatteryService(JNIEnv* env)
 
     gFieldIds.mAcOnline = env->GetFieldID(clazz, "mAcOnline", "Z");
     gFieldIds.mUsbOnline = env->GetFieldID(clazz, "mUsbOnline", "Z");
+    gFieldIds.mWirelessOnline = env->GetFieldID(clazz, "mWirelessOnline", "Z");
     gFieldIds.mBatteryStatus = env->GetFieldID(clazz, "mBatteryStatus", "I");
     gFieldIds.mBatteryHealth = env->GetFieldID(clazz, "mBatteryHealth", "I");
     gFieldIds.mBatteryPresent = env->GetFieldID(clazz, "mBatteryPresent", "Z");
@@ -341,6 +352,7 @@ int register_android_server_BatteryService(JNIEnv* env)
 
     LOG_FATAL_IF(gFieldIds.mAcOnline == NULL, "Unable to find BatteryService.AC_ONLINE_PATH");
     LOG_FATAL_IF(gFieldIds.mUsbOnline == NULL, "Unable to find BatteryService.USB_ONLINE_PATH");
+    LOG_FATAL_IF(gFieldIds.mWirelessOnline == NULL, "Unable to find BatteryService.WIRELESS_ONLINE_PATH");
     LOG_FATAL_IF(gFieldIds.mBatteryStatus == NULL, "Unable to find BatteryService.BATTERY_STATUS_PATH");
     LOG_FATAL_IF(gFieldIds.mBatteryHealth == NULL, "Unable to find BatteryService.BATTERY_HEALTH_PATH");
     LOG_FATAL_IF(gFieldIds.mBatteryPresent == NULL, "Unable to find BatteryService.BATTERY_PRESENT_PATH");