am 9c013a21: Merge "Show charging speed on Keyguard" into mnc-dr-dev

* commit '9c013a211768c661f1142aba31c690daa76c66f7':
  Show charging speed on Keyguard

4 files changed, 65 insertions, 5 deletions

diff --git a/packages/Keyguard/res/values/config.xml b/packages/Keyguard/res/values/config.xml
index 8d9d6ee..b398ab2 100644
--- a/packages/Keyguard/res/values/config.xml
+++ b/packages/Keyguard/res/values/config.xml
@@ -22,4 +22,10 @@
 
     <!-- Allow the menu hard key to be disabled in LockScreen on some devices [DO NOT TRANSLATE] -->
     <bool name="config_disableMenuKeyInLockScreen">false</bool>
+
+    <!-- Threshold in micro amperes below which a charger is rated as "slow" -->
+    <integer name="config_chargingSlowlyThreshold">1000000</integer>
+
+    <!-- Threshold in micro amperes above which a charger is rated as "fast" -->
+    <integer name="config_chargingFastThreshold">1500000</integer>
 </resources>
diff --git a/packages/Keyguard/res/values/strings.xml b/packages/Keyguard/res/values/strings.xml
index 748129c..14c8a2c 100644
--- a/packages/Keyguard/res/values/strings.xml
+++ b/packages/Keyguard/res/values/strings.xml
@@ -56,6 +56,14 @@
          is not fully charged, say that it's charging.  -->
     <string name="keyguard_plugged_in">Charging</string>
 
+    <!-- When the lock screen is showing and the phone plugged in, and the battery
+         is not fully charged, and it's plugged into a fast charger, say that it's charging fast.  -->
+    <string name="keyguard_plugged_in_charging_fast">Charging rapidly</string>
+
+    <!-- When the lock screen is showing and the phone plugged in, and the battery
+         is not fully charged, and it's plugged into a slow charger, say that it's charging slowly.  -->
+    <string name="keyguard_plugged_in_charging_slowly">Charging slowly</string>
+
     <!-- When the lock screen is showing and the battery is low, warn user to plug
          in the phone soon. -->
     <string name="keyguard_low_battery">Connect your charger.</string>
diff --git a/packages/Keyguard/src/com/android/keyguard/KeyguardUpdateMonitor.java b/packages/Keyguard/src/com/android/keyguard/KeyguardUpdateMonitor.java
index 6574e4e..786919d 100644
--- a/packages/Keyguard/src/com/android/keyguard/KeyguardUpdateMonitor.java
+++ b/packages/Keyguard/src/com/android/keyguard/KeyguardUpdateMonitor.java
@@ -37,6 +37,7 @@ import static android.os.BatteryManager.EXTRA_STATUS;
 import static android.os.BatteryManager.EXTRA_PLUGGED;
 import static android.os.BatteryManager.EXTRA_LEVEL;
 import static android.os.BatteryManager.EXTRA_HEALTH;
+import static android.os.BatteryManager.EXTRA_MAX_CHARGING_CURRENT;
 
 import android.media.AudioManager;
 import android.os.BatteryManager;
@@ -489,8 +490,10 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener {
                 final int plugged = intent.getIntExtra(EXTRA_PLUGGED, 0);
                 final int level = intent.getIntExtra(EXTRA_LEVEL, 0);
                 final int health = intent.getIntExtra(EXTRA_HEALTH, BATTERY_HEALTH_UNKNOWN);
+                final int maxChargingCurrent = intent.getIntExtra(EXTRA_MAX_CHARGING_CURRENT, -1);
                 final Message msg = mHandler.obtainMessage(
-                        MSG_BATTERY_UPDATE, new BatteryStatus(status, level, plugged, health));
+                        MSG_BATTERY_UPDATE, new BatteryStatus(status, level, plugged, health,
+                        maxChargingCurrent));
                 mHandler.sendMessage(msg);
             } else if (TelephonyIntents.ACTION_SIM_STATE_CHANGED.equals(action)) {
                 SimData args = SimData.fromIntent(intent);
@@ -641,15 +644,22 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener {
     }
 
     public static class BatteryStatus {
+        public static final int CHARGING_UNKNOWN = -1;
+        public static final int CHARGING_SLOWLY = 0;
+        public static final int CHARGING_REGULAR = 1;
+        public static final int CHARGING_FAST = 2;
+
         public final int status;
         public final int level;
         public final int plugged;
         public final int health;
-        public BatteryStatus(int status, int level, int plugged, int health) {
+        public final int maxChargingCurrent;
+        public BatteryStatus(int status, int level, int plugged, int health, int maxChargingCurrent) {
             this.status = status;
             this.level = level;
             this.plugged = plugged;
             this.health = health;
+            this.maxChargingCurrent = maxChargingCurrent;
         }
 
         /**
@@ -680,6 +690,12 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener {
             return level < LOW_BATTERY_THRESHOLD;
         }
 
+        public final int getChargingSpeed(int slowThreshold, int fastThreshold) {
+            return maxChargingCurrent <= 0 ? CHARGING_UNKNOWN :
+                    maxChargingCurrent < slowThreshold ? CHARGING_SLOWLY :
+                    maxChargingCurrent > fastThreshold ? CHARGING_FAST :
+                    CHARGING_REGULAR;
+        }
     }
 
     public static KeyguardUpdateMonitor getInstance(Context context) {
@@ -746,7 +762,7 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener {
         }
 
         // Take a guess at initial SIM state, battery status and PLMN until we get an update
-        mBatteryStatus = new BatteryStatus(BATTERY_STATUS_UNKNOWN, 100, 0, 0);
+        mBatteryStatus = new BatteryStatus(BATTERY_STATUS_UNKNOWN, 100, 0, 0, 0);
 
         // Watch for interesting updates
         final IntentFilter filter = new IntentFilter();
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardIndicationController.java b/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardIndicationController.java
index 07a055c..fc2b1ec 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardIndicationController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardIndicationController.java
@@ -26,6 +26,7 @@ import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
+import android.content.res.Resources;
 import android.graphics.Color;
 import android.os.BatteryManager;
 import android.os.BatteryStats;
@@ -45,6 +46,7 @@ import android.view.View;
 public class KeyguardIndicationController {
 
     private static final String TAG = "KeyguardIndicationController";
+    private static final boolean DEBUG_CHARGING_CURRENT = false;
 
     private static final int MSG_HIDE_TRANSIENT = 1;
 
@@ -52,6 +54,9 @@ public class KeyguardIndicationController {
     private final KeyguardIndicationTextView mTextView;
     private final IBatteryStats mBatteryInfo;
 
+    private final int mSlowThreshold;
+    private final int mFastThreshold;
+
     private String mRestingIndication;
     private String mTransientIndication;
     private int mTransientTextColor;
@@ -59,11 +64,18 @@ public class KeyguardIndicationController {
 
     private boolean mPowerPluggedIn;
     private boolean mPowerCharged;
+    private int mChargingSpeed;
+    private int mChargingCurrent;
 
     public KeyguardIndicationController(Context context, KeyguardIndicationTextView textView) {
         mContext = context;
         mTextView = textView;
 
+        Resources res = context.getResources();
+        mSlowThreshold = res.getInteger(R.integer.config_chargingSlowlyThreshold);
+        mFastThreshold = res.getInteger(R.integer.config_chargingFastThreshold);
+
+
         mBatteryInfo = IBatteryStats.Stub.asInterface(
                 ServiceManager.getService(BatteryStats.SERVICE_NAME));
         KeyguardUpdateMonitor.getInstance(context).registerCallback(mUpdateMonitor);
@@ -150,7 +162,11 @@ public class KeyguardIndicationController {
             return mTransientIndication;
         }
         if (mPowerPluggedIn) {
-            return computePowerIndication();
+            String indication = computePowerIndication();
+            if (DEBUG_CHARGING_CURRENT) {
+                indication = indication + mChargingCurrent;
+            }
+            return indication;
         }
         return mRestingIndication;
     }
@@ -174,7 +190,19 @@ public class KeyguardIndicationController {
         }
 
         // Fall back to simple charging label.
-        return mContext.getResources().getString(R.string.keyguard_plugged_in);
+        int chargingId;
+        switch (mChargingSpeed) {
+            case KeyguardUpdateMonitor.BatteryStatus.CHARGING_FAST:
+                chargingId = R.string.keyguard_plugged_in_charging_fast;
+                break;
+            case KeyguardUpdateMonitor.BatteryStatus.CHARGING_SLOWLY:
+                chargingId = R.string.keyguard_plugged_in_charging_slowly;
+                break;
+            default:
+                chargingId = R.string.keyguard_plugged_in;
+                break;
+        }
+        return mContext.getResources().getString(chargingId);
     }
 
     KeyguardUpdateMonitorCallback mUpdateMonitor = new KeyguardUpdateMonitorCallback() {
@@ -184,6 +212,8 @@ public class KeyguardIndicationController {
                     || status.status == BatteryManager.BATTERY_STATUS_FULL;
             mPowerPluggedIn = status.isPluggedIn() && isChargingOrFull;
             mPowerCharged = status.isCharged();
+            mChargingCurrent = status.maxChargingCurrent;
+            mChargingSpeed = status.getChargingSpeed(mSlowThreshold, mFastThreshold);
             updateIndication();
         }
     };