keyboard: adding functional alt/shift lights

This is useful for devices that has QWERTY keyboard
and leds for the Alt/Shift (Fn/Caps) keys, like
htc doubleshot.

Depends on libhardware patch for the light ids:
http://review.cyanogenmod.org/34902

Change-Id: I66ebc2d881438f5b51db77eaa885421e65a7da0d

2 files changed, 28 insertions, 1 deletions

diff --git a/services/java/com/android/server/LightsService.java b/services/java/com/android/server/LightsService.java
index 89bfcac..d5ea4f4 100644
--- a/services/java/com/android/server/LightsService.java
+++ b/services/java/com/android/server/LightsService.java
@@ -39,7 +39,9 @@ public class LightsService {
     public static final int LIGHT_ID_ATTENTION = 5;
     public static final int LIGHT_ID_BLUETOOTH = 6;
     public static final int LIGHT_ID_WIFI = 7;
-    public static final int LIGHT_ID_COUNT = 8;
+    public static final int LIGHT_ID_CAPS = 8;
+    public static final int LIGHT_ID_FUNC = 9;
+    public static final int LIGHT_ID_COUNT = 10;
 
     public static final int LIGHT_FLASH_NONE = 0;
     public static final int LIGHT_FLASH_TIMED = 1;
diff --git a/services/java/com/android/server/power/PowerManagerService.java b/services/java/com/android/server/power/PowerManagerService.java
index 156c08f..e8f6b60 100644
--- a/services/java/com/android/server/power/PowerManagerService.java
+++ b/services/java/com/android/server/power/PowerManagerService.java
@@ -186,6 +186,8 @@ public final class PowerManagerService extends IPowerManager.Stub
     private LightsService.Light mAttentionLight;
     private LightsService.Light mButtonsLight;
     private LightsService.Light mKeyboardLight;
+    private LightsService.Light mCapsLight;
+    private LightsService.Light mFnLight;
 
     private final Object mLock = new Object();
 
@@ -455,6 +457,8 @@ public final class PowerManagerService extends IPowerManager.Stub
             mAttentionLight = mLightsService.getLight(LightsService.LIGHT_ID_ATTENTION);
             mButtonsLight = mLightsService.getLight(LightsService.LIGHT_ID_BUTTONS);
             mKeyboardLight = mLightsService.getLight(LightsService.LIGHT_ID_KEYBOARD);
+            mCapsLight = mLightsService.getLight(LightsService.LIGHT_ID_CAPS);
+            mFnLight = mLightsService.getLight(LightsService.LIGHT_ID_FUNC);
 
             // Register for broadcasts from other components of the system.
             IntentFilter filter = new IntentFilter();
@@ -901,11 +905,32 @@ public final class PowerManagerService extends IPowerManager.Stub
             }
             if (mKeyboardVisible != visible) {
                 mKeyboardVisible = visible;
+                if (!visible) {
+                    mKeyboardLight.turnOff();
+                    // If hiding keyboard, turn off leds
+                    setKeyboardLight(false, 1);
+                    setKeyboardLight(false, 2);
+                }
             }
         }
     }
 
     @Override // Binder call
+    public void setKeyboardLight(boolean on, int key) {
+        if (key == 1) {
+            if (on)
+                mCapsLight.setColor(0x00ffffff);
+            else
+                mCapsLight.turnOff();
+        } else if (key == 2) {
+            if (on)
+                mFnLight.setColor(0x00ffffff);
+            else
+                mFnLight.turnOff();
+        }
+    }
+
+    @Override // Binder call
     public void wakeUp(long eventTime) {
         if (eventTime > SystemClock.uptimeMillis()) {
             throw new IllegalArgumentException("event time must not be in the future");