diff --git a/include/ui/EventHub.h b/include/ui/EventHub.h
index 3848d8c..3b18c77 100644
--- a/include/ui/EventHub.h
+++ b/include/ui/EventHub.h
@@ -20,7 +20,10 @@
 
 #include <utils/String8.h>
 #include <utils/threads.h>
-#include <utils.h>
+#include <utils/Log.h>
+#include <utils/threads.h>
+#include <utils/List.h>
+#include <utils/Errors.h>
 
 #include <linux/input.h>
 
@@ -52,7 +55,9 @@
         CLASS_KEYBOARD      = 0x00000001,
         CLASS_ALPHAKEY      = 0x00000002,
         CLASS_TOUCHSCREEN   = 0x00000004,
-        CLASS_TRACKBALL     = 0x00000008
+        CLASS_TRACKBALL     = 0x00000008,
+        CLASS_TOUCHSCREEN_MT= 0x00000010,
+        CLASS_DPAD          = 0x00000020
     };
     uint32_t getDeviceClasses(int32_t deviceId) const;
     
@@ -70,6 +75,13 @@
     int getKeycodeState(int key) const;
     int getKeycodeState(int32_t deviceId, int key) const;
     
+    status_t scancodeToKeycode(int32_t deviceId, int scancode,
+            int32_t* outKeycode, uint32_t* outFlags) const;
+
+    // exclude a particular device from opening
+    // this can be used to ignore input devices for sensors
+    void addExcludedDevice(const char* deviceName);
+
     // special type codes when devices are added/removed.
     enum {
         DEVICE_ADDED = 0x10000000,
@@ -82,10 +94,9 @@
     virtual bool getEvent(int32_t* outDeviceId, int32_t* outType,
             int32_t* outScancode, int32_t* outKeycode, uint32_t *outFlags,
             int32_t* outValue, nsecs_t* outWhen);
-    
+
 protected:
     virtual ~EventHub();
-    virtual void onFirstRef();
     
 private:
     bool openPlatformInput(void);
@@ -108,17 +119,18 @@
         String8         keylayoutFilename;
         device_t*       next;
         
-        device_t(int32_t _id, const char* _path);
+        device_t(int32_t _id, const char* _path, const char* name);
         ~device_t();
     };
 
     device_t* getDevice(int32_t deviceId) const;
+    bool hasKeycode(device_t* device, int keycode) const;
     
     // Protect all internal state.
     mutable Mutex   mLock;
     
     bool            mHaveFirstKeyboard;
-    int32_t         mFirstKeyboardId; // the API is that the build in keyboard is id 0, so map it
+    int32_t         mFirstKeyboardId; // the API is that the built-in keyboard is id 0, so map it
     
     struct device_ent {
         device_t* device;
@@ -133,7 +145,10 @@
     device_t        **mDevices;
     struct pollfd   *mFDs;
     int             mFDCount;
-    
+
+    bool            mOpened;
+    List<String8>   mExcludedDevices;
+
     // device ids that report particular switches.
 #ifdef EV_SW
     int32_t         mSwitches[SW_MAX+1];