am 89ee578b: am fd035829: Add initial gamepad support.

Merge commit '89ee578b7053d27a50922f82feb94bf6054b330c'

* commit '89ee578b7053d27a50922f82feb94bf6054b330c':
  Add initial gamepad support.

17 files changed, 1581 insertions, 1317 deletions

diff --git a/api/current.xml b/api/current.xml
index e7fb410..d093416 100644
--- a/api/current.xml
+++ b/api/current.xml
@@ -178411,6 +178411,171 @@
  visibility="public"
 >
 </field>
+<field name="KEYCODE_BUTTON_A"
+ type="int"
+ transient="false"
+ volatile="false"
+ value="96"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+<field name="KEYCODE_BUTTON_B"
+ type="int"
+ transient="false"
+ volatile="false"
+ value="97"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+<field name="KEYCODE_BUTTON_C"
+ type="int"
+ transient="false"
+ volatile="false"
+ value="98"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+<field name="KEYCODE_BUTTON_L1"
+ type="int"
+ transient="false"
+ volatile="false"
+ value="102"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+<field name="KEYCODE_BUTTON_L2"
+ type="int"
+ transient="false"
+ volatile="false"
+ value="104"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+<field name="KEYCODE_BUTTON_MODE"
+ type="int"
+ transient="false"
+ volatile="false"
+ value="110"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+<field name="KEYCODE_BUTTON_R1"
+ type="int"
+ transient="false"
+ volatile="false"
+ value="103"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+<field name="KEYCODE_BUTTON_R2"
+ type="int"
+ transient="false"
+ volatile="false"
+ value="105"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+<field name="KEYCODE_BUTTON_SELECT"
+ type="int"
+ transient="false"
+ volatile="false"
+ value="109"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+<field name="KEYCODE_BUTTON_START"
+ type="int"
+ transient="false"
+ volatile="false"
+ value="108"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+<field name="KEYCODE_BUTTON_THUMBL"
+ type="int"
+ transient="false"
+ volatile="false"
+ value="106"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+<field name="KEYCODE_BUTTON_THUMBR"
+ type="int"
+ transient="false"
+ volatile="false"
+ value="107"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+<field name="KEYCODE_BUTTON_X"
+ type="int"
+ transient="false"
+ volatile="false"
+ value="99"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+<field name="KEYCODE_BUTTON_Y"
+ type="int"
+ transient="false"
+ volatile="false"
+ value="100"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+<field name="KEYCODE_BUTTON_Z"
+ type="int"
+ transient="false"
+ volatile="false"
+ value="101"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
 <field name="KEYCODE_C"
  type="int"
  transient="false"
diff --git a/core/java/android/view/KeyEvent.java b/core/java/android/view/KeyEvent.java
index 0bfb6d6..9c05008 100755
--- a/core/java/android/view/KeyEvent.java
+++ b/core/java/android/view/KeyEvent.java
@@ -124,11 +124,27 @@ public class KeyEvent implements Parcelable {
     public static final int KEYCODE_PAGE_DOWN       = 93;
     public static final int KEYCODE_PICTSYMBOLS     = 94;   // switch symbol-sets (Emoji,Kao-moji)
     public static final int KEYCODE_SWITCH_CHARSET  = 95;   // switch char-sets (Kanji,Katakana)
+    public static final int KEYCODE_BUTTON_A        = 96;
+    public static final int KEYCODE_BUTTON_B        = 97;
+    public static final int KEYCODE_BUTTON_C        = 98;
+    public static final int KEYCODE_BUTTON_X        = 99;
+    public static final int KEYCODE_BUTTON_Y        = 100;
+    public static final int KEYCODE_BUTTON_Z        = 101;
+    public static final int KEYCODE_BUTTON_L1       = 102;
+    public static final int KEYCODE_BUTTON_R1       = 103;
+    public static final int KEYCODE_BUTTON_L2       = 104;
+    public static final int KEYCODE_BUTTON_R2       = 105;
+    public static final int KEYCODE_BUTTON_THUMBL   = 106;
+    public static final int KEYCODE_BUTTON_THUMBR   = 107;
+    public static final int KEYCODE_BUTTON_START    = 108;
+    public static final int KEYCODE_BUTTON_SELECT   = 109;
+    public static final int KEYCODE_BUTTON_MODE     = 110;
 
     // NOTE: If you add a new keycode here you must also add it to:
     //  isSystem()
     //  native/include/android/keycodes.h
     //  frameworks/base/include/ui/KeycodeLabels.h
+    //  external/webkit/WebKit/android/plugins/ANPKeyCodes.h
     //  tools/puppet_master/PuppetMaster/nav_keys.py
     //  frameworks/base/core/res/res/values/attrs.xml
     //  commands/monkey/Monkey.java
diff --git a/core/res/res/values/attrs.xml b/core/res/res/values/attrs.xml
index b3f280b..67072b6 100755
--- a/core/res/res/values/attrs.xml
+++ b/core/res/res/values/attrs.xml
@@ -942,6 +942,21 @@
         <enum name="KEYCODE_PAGE_DOWN" value="93" />
         <enum name="KEYCODE_PICTSYMBOLS" value="94" />
         <enum name="KEYCODE_SWITCH_CHARSET" value="95" />
+        <enum name="KEYCODE_BUTTON_A" value="96" />
+        <enum name="KEYCODE_BUTTON_B" value="97" />
+        <enum name="KEYCODE_BUTTON_C" value="98" />
+        <enum name="KEYCODE_BUTTON_X" value="99" />
+        <enum name="KEYCODE_BUTTON_Y" value="100" />
+        <enum name="KEYCODE_BUTTON_Z" value="101" />
+        <enum name="KEYCODE_BUTTON_L1" value="102" />
+        <enum name="KEYCODE_BUTTON_R1" value="103" />
+        <enum name="KEYCODE_BUTTON_L2" value="104" />
+        <enum name="KEYCODE_BUTTON_R2" value="105" />
+        <enum name="KEYCODE_BUTTON_THUMBL" value="106" />
+        <enum name="KEYCODE_BUTTON_THUMBR" value="107" />
+        <enum name="KEYCODE_BUTTON_START" value="108" />
+        <enum name="KEYCODE_BUTTON_SELECT" value="109" />
+        <enum name="KEYCODE_BUTTON_MODE" value="110" />
     </attr>
 
     <!-- ***************************************************************** -->
diff --git a/include/ui/InputDevice.h b/include/ui/InputDevice.h
new file mode 100644
index 0000000..4420600
--- /dev/null
+++ b/include/ui/InputDevice.h
@@ -0,0 +1,338 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _UI_INPUT_DEVICE_H
+#define _UI_INPUT_DEVICE_H
+
+#include <ui/EventHub.h>
+#include <ui/Input.h>
+#include <utils/KeyedVector.h>
+#include <utils/threads.h>
+#include <utils/Timers.h>
+#include <utils/RefBase.h>
+#include <utils/String8.h>
+#include <utils/BitSet.h>
+
+#include <stddef.h>
+#include <unistd.h>
+
+/* Maximum pointer id value supported.
+ * (This is limited by our use of BitSet32 to track pointer assignments.) */
+#define MAX_POINTER_ID 31
+
+/* Maximum number of historical samples to average. */
+#define AVERAGING_HISTORY_SIZE 5
+
+
+namespace android {
+
+extern int32_t updateMetaState(int32_t keyCode, bool down, int32_t oldMetaState);
+extern int32_t rotateKeyCode(int32_t keyCode, int32_t orientation);
+
+/*
+ * An input device structure tracks the state of a single input device.
+ *
+ * This structure is only used by ReaderThread and is not intended to be shared with
+ * DispatcherThread (because that would require locking).  This works out fine because
+ * DispatcherThread is only interested in cooked event data anyways and does not need
+ * any of the low-level data from InputDevice.
+ */
+struct InputDevice {
+    struct AbsoluteAxisInfo {
+        bool valid;        // set to true if axis parameters are known, false otherwise
+
+        int32_t minValue;  // minimum value
+        int32_t maxValue;  // maximum value
+        int32_t range;     // range of values, equal to maxValue - minValue
+        int32_t flat;      // center flat position, eg. flat == 8 means center is between -8 and 8
+        int32_t fuzz;      // error tolerance, eg. fuzz == 4 means value is +/- 4 due to noise
+    };
+
+    struct VirtualKey {
+        int32_t keyCode;
+        int32_t scanCode;
+        uint32_t flags;
+
+        // computed hit box, specified in touch screen coords based on known display size
+        int32_t hitLeft;
+        int32_t hitTop;
+        int32_t hitRight;
+        int32_t hitBottom;
+
+        inline bool isHit(int32_t x, int32_t y) const {
+            return x >= hitLeft && x <= hitRight && y >= hitTop && y <= hitBottom;
+        }
+    };
+
+    struct KeyboardState {
+        struct Current {
+            int32_t metaState;
+            nsecs_t downTime; // time of most recent key down
+        } current;
+
+        void reset();
+    };
+
+    struct TrackballState {
+        struct Accumulator {
+            enum {
+                FIELD_BTN_MOUSE = 1,
+                FIELD_REL_X = 2,
+                FIELD_REL_Y = 4
+            };
+
+            uint32_t fields;
+
+            bool btnMouse;
+            int32_t relX;
+            int32_t relY;
+
+            inline void clear() {
+                fields = 0;
+            }
+
+            inline bool isDirty() {
+                return fields != 0;
+            }
+        } accumulator;
+
+        struct Current {
+            bool down;
+            nsecs_t downTime;
+        } current;
+
+        struct Precalculated {
+            float xScale;
+            float yScale;
+            float xPrecision;
+            float yPrecision;
+        } precalculated;
+
+        void reset();
+    };
+
+    struct SingleTouchScreenState {
+        struct Accumulator {
+            enum {
+                FIELD_BTN_TOUCH = 1,
+                FIELD_ABS_X = 2,
+                FIELD_ABS_Y = 4,
+                FIELD_ABS_PRESSURE = 8,
+                FIELD_ABS_TOOL_WIDTH = 16
+            };
+
+            uint32_t fields;
+
+            bool btnTouch;
+            int32_t absX;
+            int32_t absY;
+            int32_t absPressure;
+            int32_t absToolWidth;
+
+            inline void clear() {
+                fields = 0;
+            }
+
+            inline bool isDirty() {
+                return fields != 0;
+            }
+        } accumulator;
+
+        struct Current {
+            bool down;
+            int32_t x;
+            int32_t y;
+            int32_t pressure;
+            int32_t size;
+        } current;
+
+        void reset();
+    };
+
+    struct MultiTouchScreenState {
+        struct Accumulator {
+            enum {
+                FIELD_ABS_MT_POSITION_X = 1,
+                FIELD_ABS_MT_POSITION_Y = 2,
+                FIELD_ABS_MT_TOUCH_MAJOR = 4,
+                FIELD_ABS_MT_WIDTH_MAJOR = 8,
+                FIELD_ABS_MT_TRACKING_ID = 16
+            };
+
+            uint32_t pointerCount;
+            struct Pointer {
+                uint32_t fields;
+
+                int32_t absMTPositionX;
+                int32_t absMTPositionY;
+                int32_t absMTTouchMajor;
+                int32_t absMTWidthMajor;
+                int32_t absMTTrackingId;
+
+                inline void clear() {
+                    fields = 0;
+                }
+            } pointers[MAX_POINTERS + 1]; // + 1 to remove the need for extra range checks
+
+            inline void clear() {
+                pointerCount = 0;
+                pointers[0].clear();
+            }
+
+            inline bool isDirty() {
+                return pointerCount != 0;
+            }
+        } accumulator;
+
+        void reset();
+    };
+
+    struct PointerData {
+        uint32_t id;
+        int32_t x;
+        int32_t y;
+        int32_t pressure;
+        int32_t size;
+    };
+
+    struct TouchData {
+        uint32_t pointerCount;
+        PointerData pointers[MAX_POINTERS];
+        BitSet32 idBits;
+        uint32_t idToIndex[MAX_POINTER_ID + 1];
+
+        void copyFrom(const TouchData& other);
+
+        inline void clear() {
+            pointerCount = 0;
+            idBits.clear();
+        }
+    };
+
+    // common state used for both single-touch and multi-touch screens after the initial
+    // touch decoding has been performed
+    struct TouchScreenState {
+        Vector<VirtualKey> virtualKeys;
+
+        struct Parameters {
+            bool useBadTouchFilter;
+            bool useJumpyTouchFilter;
+            bool useAveragingTouchFilter;
+
+            AbsoluteAxisInfo xAxis;
+            AbsoluteAxisInfo yAxis;
+            AbsoluteAxisInfo pressureAxis;
+            AbsoluteAxisInfo sizeAxis;
+        } parameters;
+
+        // The touch data of the current sample being processed.
+        TouchData currentTouch;
+
+        // The touch data of the previous sample that was processed.  This is updated
+        // incrementally while the current sample is being processed.
+        TouchData lastTouch;
+
+        // The time the primary pointer last went down.
+        nsecs_t downTime;
+
+        struct CurrentVirtualKeyState {
+            enum Status {
+                STATUS_UP,
+                STATUS_DOWN,
+                STATUS_CANCELED
+            };
+
+            Status status;
+            nsecs_t downTime;
+            int32_t keyCode;
+            int32_t scanCode;
+        } currentVirtualKey;
+
+        struct AveragingTouchFilterState {
+            // Individual history tracks are stored by pointer id
+            uint32_t historyStart[MAX_POINTERS];
+            uint32_t historyEnd[MAX_POINTERS];
+            struct {
+                struct {
+                    int32_t x;
+                    int32_t y;
+                    int32_t pressure;
+                } pointers[MAX_POINTERS];
+            } historyData[AVERAGING_HISTORY_SIZE];
+        } averagingTouchFilter;
+
+        struct JumpTouchFilterState {
+            int32_t jumpyPointsDropped;
+        } jumpyTouchFilter;
+
+        struct Precalculated {
+            int32_t xOrigin;
+            float xScale;
+
+            int32_t yOrigin;
+            float yScale;
+
+            int32_t pressureOrigin;
+            float pressureScale;
+
+            int32_t sizeOrigin;
+            float sizeScale;
+        } precalculated;
+
+        void reset();
+
+        bool applyBadTouchFilter();
+        bool applyJumpyTouchFilter();
+        void applyAveragingTouchFilter();
+        void calculatePointerIds();
+
+        bool isPointInsideDisplay(int32_t x, int32_t y) const;
+        const InputDevice::VirtualKey* findVirtualKeyHit() const;
+    };
+
+    InputDevice(int32_t id, uint32_t classes, String8 name);
+
+    int32_t id;
+    uint32_t classes;
+    String8 name;
+    bool ignored;
+
+    KeyboardState keyboard;
+    TrackballState trackball;
+    TouchScreenState touchScreen;
+    union {
+        SingleTouchScreenState singleTouchScreen;
+        MultiTouchScreenState multiTouchScreen;
+    };
+
+    void reset();
+
+    inline bool isKeyboard() const { return classes & INPUT_DEVICE_CLASS_KEYBOARD; }
+    inline bool isAlphaKey() const { return classes & INPUT_DEVICE_CLASS_ALPHAKEY; }
+    inline bool isTrackball() const { return classes & INPUT_DEVICE_CLASS_TRACKBALL; }
+    inline bool isDPad() const { return classes & INPUT_DEVICE_CLASS_DPAD; }
+    inline bool isSingleTouchScreen() const { return (classes
+            & (INPUT_DEVICE_CLASS_TOUCHSCREEN | INPUT_DEVICE_CLASS_TOUCHSCREEN_MT))
+            == INPUT_DEVICE_CLASS_TOUCHSCREEN; }
+    inline bool isMultiTouchScreen() const { return classes
+            & INPUT_DEVICE_CLASS_TOUCHSCREEN_MT; }
+    inline bool isTouchScreen() const { return classes
+            & (INPUT_DEVICE_CLASS_TOUCHSCREEN | INPUT_DEVICE_CLASS_TOUCHSCREEN_MT); }
+};
+
+} // namespace android
+
+#endif // _UI_INPUT_DEVICE_H
diff --git a/include/ui/InputReader.h b/include/ui/InputReader.h
index 03c8112..85a0084 100644
--- a/include/ui/InputReader.h
+++ b/include/ui/InputReader.h
@@ -19,6 +19,7 @@
 
 #include <ui/EventHub.h>
 #include <ui/Input.h>
+#include <ui/InputDevice.h>
 #include <ui/InputDispatcher.h>
 #include <utils/KeyedVector.h>
 #include <utils/threads.h>
@@ -30,311 +31,8 @@
 #include <stddef.h>
 #include <unistd.h>
 
-/* Maximum pointer id value supported.
- * (This is limited by our use of BitSet32 to track pointer assignments.) */
-#define MAX_POINTER_ID 32
-
-/* Maximum number of historical samples to average. */
-#define AVERAGING_HISTORY_SIZE 5
-
-
 namespace android {
 
-extern int32_t updateMetaState(int32_t keyCode, bool down, int32_t oldMetaState);
-extern int32_t rotateKeyCode(int32_t keyCode, int32_t orientation);
-
-/*
- * An input device structure tracks the state of a single input device.
- *
- * This structure is only used by ReaderThread and is not intended to be shared with
- * DispatcherThread (because that would require locking).  This works out fine because
- * DispatcherThread is only interested in cooked event data anyways and does not need
- * any of the low-level data from InputDevice.
- */
-struct InputDevice {
-    struct AbsoluteAxisInfo {
-        bool valid;        // set to true if axis parameters are known, false otherwise
-
-        int32_t minValue;  // minimum value
-        int32_t maxValue;  // maximum value
-        int32_t range;     // range of values, equal to maxValue - minValue
-        int32_t flat;      // center flat position, eg. flat == 8 means center is between -8 and 8
-        int32_t fuzz;      // error tolerance, eg. fuzz == 4 means value is +/- 4 due to noise
-    };
-
-    struct VirtualKey {
-        int32_t keyCode;
-        int32_t scanCode;
-        uint32_t flags;
-
-        // computed hit box, specified in touch screen coords based on known display size
-        int32_t hitLeft;
-        int32_t hitTop;
-        int32_t hitRight;
-        int32_t hitBottom;
-
-        inline bool isHit(int32_t x, int32_t y) const {
-            return x >= hitLeft && x <= hitRight && y >= hitTop && y <= hitBottom;
-        }
-    };
-
-    struct KeyboardState {
-        struct Current {
-            int32_t metaState;
-            nsecs_t downTime; // time of most recent key down
-        } current;
-
-        void reset();
-    };
-
-    struct TrackballState {
-        struct Accumulator {
-            enum {
-                FIELD_BTN_MOUSE = 1,
-                FIELD_REL_X = 2,
-                FIELD_REL_Y = 4
-            };
-
-            uint32_t fields;
-
-            bool btnMouse;
-            int32_t relX;
-            int32_t relY;
-
-            inline void clear() {
-                fields = 0;
-            }
-
-            inline bool isDirty() {
-                return fields != 0;
-            }
-        } accumulator;
-
-        struct Current {
-            bool down;
-            nsecs_t downTime;
-        } current;
-
-        struct Precalculated {
-            float xScale;
-            float yScale;
-            float xPrecision;
-            float yPrecision;
-        } precalculated;
-
-        void reset();
-    };
-
-    struct SingleTouchScreenState {
-        struct Accumulator {
-            enum {
-                FIELD_BTN_TOUCH = 1,
-                FIELD_ABS_X = 2,
-                FIELD_ABS_Y = 4,
-                FIELD_ABS_PRESSURE = 8,
-                FIELD_ABS_TOOL_WIDTH = 16
-            };
-
-            uint32_t fields;
-
-            bool btnTouch;
-            int32_t absX;
-            int32_t absY;
-            int32_t absPressure;
-            int32_t absToolWidth;
-
-            inline void clear() {
-                fields = 0;
-            }
-
-            inline bool isDirty() {
-                return fields != 0;
-            }
-        } accumulator;
-
-        struct Current {
-            bool down;
-            int32_t x;
-            int32_t y;
-            int32_t pressure;
-            int32_t size;
-        } current;
-
-        void reset();
-    };
-
-    struct MultiTouchScreenState {
-        struct Accumulator {
-            enum {
-                FIELD_ABS_MT_POSITION_X = 1,
-                FIELD_ABS_MT_POSITION_Y = 2,
-                FIELD_ABS_MT_TOUCH_MAJOR = 4,
-                FIELD_ABS_MT_WIDTH_MAJOR = 8,
-                FIELD_ABS_MT_TRACKING_ID = 16
-            };
-
-            uint32_t pointerCount;
-            struct Pointer {
-                uint32_t fields;
-
-                int32_t absMTPositionX;
-                int32_t absMTPositionY;
-                int32_t absMTTouchMajor;
-                int32_t absMTWidthMajor;
-                int32_t absMTTrackingId;
-
-                inline void clear() {
-                    fields = 0;
-                }
-            } pointers[MAX_POINTERS + 1]; // + 1 to remove the need for extra range checks
-
-            inline void clear() {
-                pointerCount = 0;
-                pointers[0].clear();
-            }
-
-            inline bool isDirty() {
-                return pointerCount != 0;
-            }
-        } accumulator;
-
-        void reset();
-    };
-
-    struct PointerData {
-        uint32_t id;
-        int32_t x;
-        int32_t y;
-        int32_t pressure;
-        int32_t size;
-    };
-
-    struct TouchData {
-        uint32_t pointerCount;
-        PointerData pointers[MAX_POINTERS];
-        BitSet32 idBits;
-        uint32_t idToIndex[MAX_POINTER_ID];
-
-        void copyFrom(const TouchData& other);
-
-        inline void clear() {
-            pointerCount = 0;
-            idBits.clear();
-        }
-    };
-
-    // common state used for both single-touch and multi-touch screens after the initial
-    // touch decoding has been performed
-    struct TouchScreenState {
-        Vector<VirtualKey> virtualKeys;
-
-        struct Parameters {
-            bool useBadTouchFilter;
-            bool useJumpyTouchFilter;
-            bool useAveragingTouchFilter;
-
-            AbsoluteAxisInfo xAxis;
-            AbsoluteAxisInfo yAxis;
-            AbsoluteAxisInfo pressureAxis;
-            AbsoluteAxisInfo sizeAxis;
-        } parameters;
-
-        // The touch data of the current sample being processed.
-        TouchData currentTouch;
-
-        // The touch data of the previous sample that was processed.  This is updated
-        // incrementally while the current sample is being processed.
-        TouchData lastTouch;
-
-        // The time the primary pointer last went down.
-        nsecs_t downTime;
-
-        struct CurrentVirtualKeyState {
-            enum Status {
-                STATUS_UP,
-                STATUS_DOWN,
-                STATUS_CANCELED
-            };
-
-            Status status;
-            nsecs_t downTime;
-            int32_t keyCode;
-            int32_t scanCode;
-        } currentVirtualKey;
-
-        struct AveragingTouchFilterState {
-            // Individual history tracks are stored by pointer id
-            uint32_t historyStart[MAX_POINTERS];
-            uint32_t historyEnd[MAX_POINTERS];
-            struct {
-                struct {
-                    int32_t x;
-                    int32_t y;
-                    int32_t pressure;
-                } pointers[MAX_POINTERS];
-            } historyData[AVERAGING_HISTORY_SIZE];
-        } averagingTouchFilter;
-
-        struct JumpTouchFilterState {
-            int32_t jumpyPointsDropped;
-        } jumpyTouchFilter;
-
-        struct Precalculated {
-            int32_t xOrigin;
-            float xScale;
-
-            int32_t yOrigin;
-            float yScale;
-
-            int32_t pressureOrigin;
-            float pressureScale;
-
-            int32_t sizeOrigin;
-            float sizeScale;
-        } precalculated;
-
-        void reset();
-
-        bool applyBadTouchFilter();
-        bool applyJumpyTouchFilter();
-        void applyAveragingTouchFilter();
-        void calculatePointerIds();
-
-        bool isPointInsideDisplay(int32_t x, int32_t y) const;
-        const InputDevice::VirtualKey* findVirtualKeyHit() const;
-    };
-
-    InputDevice(int32_t id, uint32_t classes, String8 name);
-
-    int32_t id;
-    uint32_t classes;
-    String8 name;
-    bool ignored;
-
-    KeyboardState keyboard;
-    TrackballState trackball;
-    TouchScreenState touchScreen;
-    union {
-        SingleTouchScreenState singleTouchScreen;
-        MultiTouchScreenState multiTouchScreen;
-    };
-
-    void reset();
-
-    inline bool isKeyboard() const { return classes & INPUT_DEVICE_CLASS_KEYBOARD; }
-    inline bool isAlphaKey() const { return classes & INPUT_DEVICE_CLASS_ALPHAKEY; }
-    inline bool isTrackball() const { return classes & INPUT_DEVICE_CLASS_TRACKBALL; }
-    inline bool isDPad() const { return classes & INPUT_DEVICE_CLASS_DPAD; }
-    inline bool isSingleTouchScreen() const { return (classes
-            & (INPUT_DEVICE_CLASS_TOUCHSCREEN | INPUT_DEVICE_CLASS_TOUCHSCREEN_MT))
-            == INPUT_DEVICE_CLASS_TOUCHSCREEN; }
-    inline bool isMultiTouchScreen() const { return classes
-            & INPUT_DEVICE_CLASS_TOUCHSCREEN_MT; }
-    inline bool isTouchScreen() const { return classes
-            & (INPUT_DEVICE_CLASS_TOUCHSCREEN | INPUT_DEVICE_CLASS_TOUCHSCREEN_MT); }
-};
-
-
 /*
  * Input reader policy interface.
  *
diff --git a/include/ui/KeycodeLabels.h b/include/ui/KeycodeLabels.h
index e81d0f9..c8d6ffc 100755
--- a/include/ui/KeycodeLabels.h
+++ b/include/ui/KeycodeLabels.h
@@ -17,6 +17,8 @@
 #ifndef _UI_KEYCODE_LABELS_H
 #define _UI_KEYCODE_LABELS_H
 
+#include <android/keycodes.h>
+
 struct KeycodeLabel {
     const char *literal;
     int value;
@@ -118,117 +120,28 @@ static const KeycodeLabel KEYCODES[] = {
     { "PAGE_DOWN", 93 },
     { "PICTSYMBOLS", 94 },
     { "SWITCH_CHARSET", 95 },
+    { "BUTTON_A", 96 },
+    { "BUTTON_B", 97 },
+    { "BUTTON_C", 98 },
+    { "BUTTON_X", 99 },
+    { "BUTTON_Y", 100 },
+    { "BUTTON_Z", 101 },
+    { "BUTTON_L1", 102 },
+    { "BUTTON_R1", 103 },
+    { "BUTTON_L2", 104 },
+    { "BUTTON_R2", 105 },
+    { "BUTTON_THUMBL", 106 },
+    { "BUTTON_THUMBR", 107 },
+    { "BUTTON_START", 108 },
+    { "BUTTON_SELECT", 109 },
+    { "BUTTON_MODE", 110 },
 
-    // NOTE: If you add a new keycode here you must also add it to:
-    //   (enum KeyCode, in this file)
-    //   frameworks/base/core/java/android/view/KeyEvent.java
-    //   tools/puppet_master/PuppetMaster.nav_keys.py
-    //   frameworks/base/core/res/res/values/attrs.xml
+    // NOTE: If you add a new keycode here you must also add it to several other files.
+    //       Refer to frameworks/base/core/java/android/view/KeyEvent.java for the full list.
 
     { NULL, 0 }
 };
 
-// These constants need to match the above mappings.
-typedef enum KeyCode {
-    kKeyCodeUnknown = 0,
-
-    kKeyCodeSoftLeft = 1,
-    kKeyCodeSoftRight = 2,
-    kKeyCodeHome = 3,
-    kKeyCodeBack = 4,
-    kKeyCodeCall = 5,
-    kKeyCodeEndCall = 6,
-    kKeyCode0 = 7,
-    kKeyCode1 = 8,
-    kKeyCode2 = 9,
-    kKeyCode3 = 10,
-    kKeyCode4 = 11,
-    kKeyCode5 = 12,
-    kKeyCode6 = 13,
-    kKeyCode7 = 14,
-    kKeyCode8 = 15,
-    kKeyCode9 = 16,
-    kKeyCodeStar = 17,
-    kKeyCodePound = 18,
-    kKeyCodeDpadUp = 19,
-    kKeyCodeDpadDown = 20,
-    kKeyCodeDpadLeft = 21,
-    kKeyCodeDpadRight = 22,
-    kKeyCodeDpadCenter = 23,
-    kKeyCodeVolumeUp = 24,
-    kKeyCodeVolumeDown = 25,
-    kKeyCodePower = 26,
-    kKeyCodeCamera = 27,
-    kKeyCodeClear = 28,
-    kKeyCodeA = 29,
-    kKeyCodeB = 30,
-    kKeyCodeC = 31,
-    kKeyCodeD = 32,
-    kKeyCodeE = 33,
-    kKeyCodeF = 34,
-    kKeyCodeG = 35,
-    kKeyCodeH = 36,
-    kKeyCodeI = 37,
-    kKeyCodeJ = 38,
-    kKeyCodeK = 39,
-    kKeyCodeL = 40,
-    kKeyCodeM = 41,
-    kKeyCodeN = 42,
-    kKeyCodeO = 43,
-    kKeyCodeP = 44,
-    kKeyCodeQ = 45,
-    kKeyCodeR = 46,
-    kKeyCodeS = 47,
-    kKeyCodeT = 48,
-    kKeyCodeU = 49,
-    kKeyCodeV = 50,
-    kKeyCodeW = 51,
-    kKeyCodeX = 52,
-    kKeyCodeY = 53,
-    kKeyCodeZ = 54,
-    kKeyCodeComma = 55,
-    kKeyCodePeriod = 56,
-    kKeyCodeAltLeft = 57,
-    kKeyCodeAltRight = 58,
-    kKeyCodeShiftLeft = 59,
-    kKeyCodeShiftRight = 60,
-    kKeyCodeTab = 61,
-    kKeyCodeSpace = 62,
-    kKeyCodeSym = 63,
-    kKeyCodeExplorer = 64,
-    kKeyCodeEnvelope = 65,
-    kKeyCodeNewline = 66,
-    kKeyCodeDel = 67,
-    kKeyCodeGrave = 68,
-    kKeyCodeMinus = 69,
-    kKeyCodeEquals = 70,
-    kKeyCodeLeftBracket = 71,
-    kKeyCodeRightBracket = 72,
-    kKeyCodeBackslash = 73,
-    kKeyCodeSemicolon = 74,
-    kKeyCodeApostrophe = 75,
-    kKeyCodeSlash = 76,
-    kKeyCodeAt = 77,
-    kKeyCodeNum = 78,
-    kKeyCodeHeadSetHook = 79,
-    kKeyCodeFocus = 80,
-    kKeyCodePlus = 81,
-    kKeyCodeMenu = 82,
-    kKeyCodeNotification = 83,
-    kKeyCodeSearch = 84,
-    kKeyCodePlayPause = 85,
-    kKeyCodeStop = 86,
-    kKeyCodeNextSong = 87,
-    kKeyCodePreviousSong = 88,
-    kKeyCodeRewind = 89,
-    kKeyCodeForward = 90,
-    kKeyCodeMute = 91,
-    kKeyCodePageUp = 92,
-    kKeyCodePageDown = 93,
-    kKeyCodePictSymbols = 94,
-    kKeyCodeSwitchCharset = 95
-} KeyCode;
-
 static const KeycodeLabel FLAGS[] = {
     { "WAKE", 0x00000001 },
     { "WAKE_DROPPED", 0x00000002 },
diff --git a/libs/ui/Android.mk b/libs/ui/Android.mk
index 24cdc78..4243bbf 100644
--- a/libs/ui/Android.mk
+++ b/libs/ui/Android.mk
@@ -12,6 +12,7 @@ LOCAL_SRC_FILES:= \
 	KeyLayoutMap.cpp \
 	KeyCharacterMap.cpp \
 	Input.cpp \
+	InputDevice.cpp \
 	InputDispatcher.cpp \
 	InputManager.cpp \
 	InputReader.cpp \
@@ -38,3 +39,13 @@ ifeq ($(TARGET_SIMULATOR),true)
 endif
 
 include $(BUILD_SHARED_LIBRARY)
+
+
+# Include subdirectory makefiles
+# ============================================================
+
+# If we're building with ONE_SHOT_MAKEFILE (mm, mmm), then what the framework
+# team really wants is to build the stuff defined by this makefile.
+ifeq (,$(ONE_SHOT_MAKEFILE))
+include $(call first-makefiles-under,$(LOCAL_PATH))
+endif
diff --git a/libs/ui/EventHub.cpp b/libs/ui/EventHub.cpp
index 27895f2..768b04e 100644
--- a/libs/ui/EventHub.cpp
+++ b/libs/ui/EventHub.cpp
@@ -54,6 +54,9 @@
  */
 #define test_bit(bit, array)    (array[bit/8] & (1<<(bit%8)))
 
+/* this macro computes the number of bytes needed to represent a bit array of the specified size */
+#define sizeof_bit_array(bits)  ((bits + 7) / 8)
+
 #define ID_MASK  0x0000ffff
 #define SEQ_MASK 0x7fff0000
 #define SEQ_SHIFT 16
@@ -182,7 +185,7 @@ int32_t EventHub::getScanCodeState(int32_t deviceId, int32_t deviceClasses,
 }
 
 int32_t EventHub::getScanCodeStateLocked(device_t* device, int32_t scanCode) const {
-    uint8_t key_bitmask[(KEY_MAX + 7) / 8];
+    uint8_t key_bitmask[sizeof_bit_array(KEY_MAX + 1)];
     memset(key_bitmask, 0, sizeof(key_bitmask));
     if (ioctl(mFDs[id_to_index(device->id)].fd,
                EVIOCGKEY(sizeof(key_bitmask)), key_bitmask) >= 0) {
@@ -218,7 +221,7 @@ int32_t EventHub::getKeyCodeStateLocked(device_t* device, int32_t keyCode) const
     Vector<int32_t> scanCodes;
     device->layoutMap->findScancodes(keyCode, &scanCodes);
 
-    uint8_t key_bitmask[(KEY_MAX + 7) / 8];
+    uint8_t key_bitmask[sizeof_bit_array(KEY_MAX + 1)];
     memset(key_bitmask, 0, sizeof(key_bitmask));
     if (ioctl(mFDs[id_to_index(device->id)].fd,
                EVIOCGKEY(sizeof(key_bitmask)), key_bitmask) >= 0) {
@@ -264,7 +267,7 @@ int32_t EventHub::getSwitchState(int32_t deviceId, int32_t deviceClasses, int32_
 }
 
 int32_t EventHub::getSwitchStateLocked(device_t* device, int32_t sw) const {
-    uint8_t sw_bitmask[(SW_MAX + 7) / 8];
+    uint8_t sw_bitmask[sizeof_bit_array(SW_MAX + 1)];
     memset(sw_bitmask, 0, sizeof(sw_bitmask));
     if (ioctl(mFDs[id_to_index(device->id)].fd,
                EVIOCGSW(sizeof(sw_bitmask)), sw_bitmask) >= 0) {
@@ -409,7 +412,7 @@ bool EventHub::getEvent(int32_t* outDeviceId, int32_t* outType,
                             LOGV("iev.code=%d outKeycode=%d outFlags=0x%08x err=%d\n",
                                 iev.code, *outKeycode, *outFlags, err);
                             if (err != 0) {
-                                *outKeycode = 0;
+                                *outKeycode = AKEYCODE_UNKNOWN;
                                 *outFlags = 0;
                             }
                         } else {
@@ -509,6 +512,26 @@ bool EventHub::hasKeys(size_t numCodes, const int32_t* keyCodes, uint8_t* outFla
 
 // ----------------------------------------------------------------------------
 
+static bool containsNonZeroByte(const uint8_t* array, uint32_t startIndex, uint32_t endIndex) {
+    const uint8_t* end = array + endIndex;
+    array += startIndex;
+    while (array != end) {
+        if (*(array++) != 0) {
+            return true;
+        }
+    }
+    return false;
+}
+
+static const int32_t GAMEPAD_KEYCODES[] = {
+        AKEYCODE_BUTTON_A, AKEYCODE_BUTTON_B, AKEYCODE_BUTTON_C,
+        AKEYCODE_BUTTON_X, AKEYCODE_BUTTON_Y, AKEYCODE_BUTTON_Z,
+        AKEYCODE_BUTTON_L1, AKEYCODE_BUTTON_R1,
+        AKEYCODE_BUTTON_L2, AKEYCODE_BUTTON_R2,
+        AKEYCODE_BUTTON_THUMBL, AKEYCODE_BUTTON_THUMBR,
+        AKEYCODE_BUTTON_START, AKEYCODE_BUTTON_SELECT, AKEYCODE_BUTTON_MODE
+};
+
 int EventHub::open_device(const char *deviceName)
 {
     int version;
@@ -626,27 +649,27 @@ int EventHub::open_device(const char *deviceName)
     mFDs[mFDCount].fd = fd;
     mFDs[mFDCount].events = POLLIN;
 
-    // figure out the kinds of events the device reports
+    // Figure out the kinds of events the device reports.
     
-    // See if this is a keyboard, and classify it.  Note that we only
-    // consider up through the function keys; we don't want to include
-    // ones after that (play cd etc) so we don't mistakenly consider a
-    // controller to be a keyboard.
-    uint8_t key_bitmask[(KEY_MAX+7)/8];
+    uint8_t key_bitmask[sizeof_bit_array(KEY_MAX + 1)];
     memset(key_bitmask, 0, sizeof(key_bitmask));
+
     LOGV("Getting keys...");
     if (ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(key_bitmask)), key_bitmask) >= 0) {
         //LOGI("MAP\n");
-        //for (int i=0; i<((KEY_MAX+7)/8); i++) {
+        //for (int i = 0; i < sizeof(key_bitmask); i++) {
         //    LOGI("%d: 0x%02x\n", i, key_bitmask[i]);
         //}
-        for (int i=0; i<((BTN_MISC+7)/8); i++) {
-            if (key_bitmask[i] != 0) {
-                device->classes |= INPUT_DEVICE_CLASS_KEYBOARD;
-                break;
-            }
-        }
-        if ((device->classes & INPUT_DEVICE_CLASS_KEYBOARD) != 0) {
+
+        // See if this is a keyboard.  Ignore everything in the button range except for
+        // gamepads which are also considered keyboards.
+        if (containsNonZeroByte(key_bitmask, 0, sizeof_bit_array(BTN_MISC))
+                || containsNonZeroByte(key_bitmask, sizeof_bit_array(BTN_GAMEPAD),
+                        sizeof_bit_array(BTN_DIGI))
+                || containsNonZeroByte(key_bitmask, sizeof_bit_array(KEY_OK),
+                        sizeof_bit_array(KEY_MAX + 1))) {
+            device->classes |= INPUT_DEVICE_CLASS_KEYBOARD;
+
             device->keyBitmask = new uint8_t[sizeof(key_bitmask)];
             if (device->keyBitmask != NULL) {
                 memcpy(device->keyBitmask, key_bitmask, sizeof(key_bitmask));
@@ -658,39 +681,39 @@ int EventHub::open_device(const char *deviceName)
         }
     }
     
-    // See if this is a trackball.
+    // See if this is a trackball (or mouse).
     if (test_bit(BTN_MOUSE, key_bitmask)) {
-        uint8_t rel_bitmask[(REL_MAX+7)/8];
+        uint8_t rel_bitmask[sizeof_bit_array(REL_MAX + 1)];
         memset(rel_bitmask, 0, sizeof(rel_bitmask));
         LOGV("Getting relative controllers...");
-        if (ioctl(fd, EVIOCGBIT(EV_REL, sizeof(rel_bitmask)), rel_bitmask) >= 0)
-        {
+        if (ioctl(fd, EVIOCGBIT(EV_REL, sizeof(rel_bitmask)), rel_bitmask) >= 0) {
             if (test_bit(REL_X, rel_bitmask) && test_bit(REL_Y, rel_bitmask)) {
                 device->classes |= INPUT_DEVICE_CLASS_TRACKBALL;
             }
         }
     }
-    
-    uint8_t abs_bitmask[(ABS_MAX+7)/8];
+
+    // See if this is a touch pad.
+    uint8_t abs_bitmask[sizeof_bit_array(ABS_MAX + 1)];
     memset(abs_bitmask, 0, sizeof(abs_bitmask));
     LOGV("Getting absolute controllers...");
-    ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(abs_bitmask)), abs_bitmask);
-    
-    // Is this a new modern multi-touch driver?
-    if (test_bit(ABS_MT_TOUCH_MAJOR, abs_bitmask)
-            && test_bit(ABS_MT_POSITION_X, abs_bitmask)
-            && test_bit(ABS_MT_POSITION_Y, abs_bitmask)) {
-        device->classes |= INPUT_DEVICE_CLASS_TOUCHSCREEN | INPUT_DEVICE_CLASS_TOUCHSCREEN_MT;
-        
-    // Is this an old style single-touch driver?
-    } else if (test_bit(BTN_TOUCH, key_bitmask)
-            && test_bit(ABS_X, abs_bitmask) && test_bit(ABS_Y, abs_bitmask)) {
-        device->classes |= INPUT_DEVICE_CLASS_TOUCHSCREEN;
+    if (ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(abs_bitmask)), abs_bitmask) >= 0) {
+        // Is this a new modern multi-touch driver?
+        if (test_bit(ABS_MT_TOUCH_MAJOR, abs_bitmask)
+                && test_bit(ABS_MT_POSITION_X, abs_bitmask)
+                && test_bit(ABS_MT_POSITION_Y, abs_bitmask)) {
+            device->classes |= INPUT_DEVICE_CLASS_TOUCHSCREEN | INPUT_DEVICE_CLASS_TOUCHSCREEN_MT;
+
+        // Is this an old style single-touch driver?
+        } else if (test_bit(BTN_TOUCH, key_bitmask)
+                && test_bit(ABS_X, abs_bitmask) && test_bit(ABS_Y, abs_bitmask)) {
+            device->classes |= INPUT_DEVICE_CLASS_TOUCHSCREEN;
+        }
     }
 
 #ifdef EV_SW
     // figure out the switches this device reports
-    uint8_t sw_bitmask[(SW_MAX+7)/8];
+    uint8_t sw_bitmask[sizeof_bit_array(SW_MAX + 1)];
     memset(sw_bitmask, 0, sizeof(sw_bitmask));
     if (ioctl(fd, EVIOCGBIT(EV_SW, sizeof(sw_bitmask)), sw_bitmask) >= 0) {
         for (int i=0; i<EV_SW; i++) {
@@ -726,7 +749,10 @@ int EventHub::open_device(const char *deviceName)
                      "%s/usr/keylayout/%s", root, "qwerty.kl");
             defaultKeymap = true;
         }
-        device->layoutMap->load(keylayoutFilename);
+        status_t status = device->layoutMap->load(keylayoutFilename);
+        if (status) {
+            LOGE("Error %d loading key layout.", status);
+        }
 
         // tell the world about the devname (the descriptive name)
         if (!mHaveFirstKeyboard && !defaultKeymap && strstr(name, "-keypad")) {
@@ -746,19 +772,27 @@ int EventHub::open_device(const char *deviceName)
         property_set(propName, name);
 
         // 'Q' key support = cheap test of whether this is an alpha-capable kbd
-        if (hasKeycode(device, kKeyCodeQ)) {
+        if (hasKeycode(device, AKEYCODE_Q)) {
             device->classes |= INPUT_DEVICE_CLASS_ALPHAKEY;
         }
         
-        // See if this has a DPAD.
-        if (hasKeycode(device, kKeyCodeDpadUp) &&
-                hasKeycode(device, kKeyCodeDpadDown) &&
-                hasKeycode(device, kKeyCodeDpadLeft) &&
-                hasKeycode(device, kKeyCodeDpadRight) &&
-                hasKeycode(device, kKeyCodeDpadCenter)) {
+        // See if this device has a DPAD.
+        if (hasKeycode(device, AKEYCODE_DPAD_UP) &&
+                hasKeycode(device, AKEYCODE_DPAD_DOWN) &&
+                hasKeycode(device, AKEYCODE_DPAD_LEFT) &&
+                hasKeycode(device, AKEYCODE_DPAD_RIGHT) &&
+                hasKeycode(device, AKEYCODE_DPAD_CENTER)) {
             device->classes |= INPUT_DEVICE_CLASS_DPAD;
         }
         
+        // See if this device has a gamepad.
+        for (size_t i = 0; i < sizeof(GAMEPAD_KEYCODES); i++) {
+            if (hasKeycode(device, GAMEPAD_KEYCODES[i])) {
+                device->classes |= INPUT_DEVICE_CLASS_GAMEPAD;
+                break;
+            }
+        }
+
         LOGI("New keyboard: device->id=0x%x devname='%s' propName='%s' keylayout='%s'\n",
                 device->id, name, propName, keylayoutFilename);
     }
diff --git a/libs/ui/Input.cpp b/libs/ui/Input.cpp
index a64251f..1f19c2c 100644
--- a/libs/ui/Input.cpp
+++ b/libs/ui/Input.cpp
@@ -22,26 +22,26 @@ void InputEvent::initialize(int32_t deviceId, int32_t nature) {
 
 bool KeyEvent::hasDefaultAction(int32_t keyCode) {
     switch (keyCode) {
-        case KEYCODE_HOME:
-        case KEYCODE_BACK:
-        case KEYCODE_CALL:
-        case KEYCODE_ENDCALL:
-        case KEYCODE_VOLUME_UP:
-        case KEYCODE_VOLUME_DOWN:
-        case KEYCODE_POWER:
-        case KEYCODE_CAMERA:
-        case KEYCODE_HEADSETHOOK:
-        case KEYCODE_MENU:
-        case KEYCODE_NOTIFICATION:
-        case KEYCODE_FOCUS:
-        case KEYCODE_SEARCH:
-        case KEYCODE_MEDIA_PLAY_PAUSE:
-        case KEYCODE_MEDIA_STOP:
-        case KEYCODE_MEDIA_NEXT:
-        case KEYCODE_MEDIA_PREVIOUS:
-        case KEYCODE_MEDIA_REWIND:
-        case KEYCODE_MEDIA_FAST_FORWARD:
-        case KEYCODE_MUTE:
+        case AKEYCODE_HOME:
+        case AKEYCODE_BACK:
+        case AKEYCODE_CALL:
+        case AKEYCODE_ENDCALL:
+        case AKEYCODE_VOLUME_UP:
+        case AKEYCODE_VOLUME_DOWN:
+        case AKEYCODE_POWER:
+        case AKEYCODE_CAMERA:
+        case AKEYCODE_HEADSETHOOK:
+        case AKEYCODE_MENU:
+        case AKEYCODE_NOTIFICATION:
+        case AKEYCODE_FOCUS:
+        case AKEYCODE_SEARCH:
+        case AKEYCODE_MEDIA_PLAY_PAUSE:
+        case AKEYCODE_MEDIA_STOP:
+        case AKEYCODE_MEDIA_NEXT:
+        case AKEYCODE_MEDIA_PREVIOUS:
+        case AKEYCODE_MEDIA_REWIND:
+        case AKEYCODE_MEDIA_FAST_FORWARD:
+        case AKEYCODE_MUTE:
             return true;
     }
     
@@ -54,26 +54,26 @@ bool KeyEvent::hasDefaultAction() const {
 
 bool KeyEvent::isSystemKey(int32_t keyCode) {
     switch (keyCode) {
-        case KEYCODE_MENU:
-        case KEYCODE_SOFT_RIGHT:
-        case KEYCODE_HOME:
-        case KEYCODE_BACK:
-        case KEYCODE_CALL:
-        case KEYCODE_ENDCALL:
-        case KEYCODE_VOLUME_UP:
-        case KEYCODE_VOLUME_DOWN:
-        case KEYCODE_MUTE:
-        case KEYCODE_POWER:
-        case KEYCODE_HEADSETHOOK:
-        case KEYCODE_MEDIA_PLAY_PAUSE:
-        case KEYCODE_MEDIA_STOP:
-        case KEYCODE_MEDIA_NEXT:
-        case KEYCODE_MEDIA_PREVIOUS:
-        case KEYCODE_MEDIA_REWIND:
-        case KEYCODE_MEDIA_FAST_FORWARD:
-        case KEYCODE_CAMERA:
-        case KEYCODE_FOCUS:
-        case KEYCODE_SEARCH:
+        case AKEYCODE_MENU:
+        case AKEYCODE_SOFT_RIGHT:
+        case AKEYCODE_HOME:
+        case AKEYCODE_BACK:
+        case AKEYCODE_CALL:
+        case AKEYCODE_ENDCALL:
+        case AKEYCODE_VOLUME_UP:
+        case AKEYCODE_VOLUME_DOWN:
+        case AKEYCODE_MUTE:
+        case AKEYCODE_POWER:
+        case AKEYCODE_HEADSETHOOK:
+        case AKEYCODE_MEDIA_PLAY_PAUSE:
+        case AKEYCODE_MEDIA_STOP:
+        case AKEYCODE_MEDIA_NEXT:
+        case AKEYCODE_MEDIA_PREVIOUS:
+        case AKEYCODE_MEDIA_REWIND:
+        case AKEYCODE_MEDIA_FAST_FORWARD:
+        case AKEYCODE_CAMERA:
+        case AKEYCODE_FOCUS:
+        case AKEYCODE_SEARCH:
             return true;
     }
     
diff --git a/libs/ui/InputDevice.cpp b/libs/ui/InputDevice.cpp
new file mode 100644
index 0000000..6014017
--- /dev/null
+++ b/libs/ui/InputDevice.cpp
@@ -0,0 +1,729 @@
+//
+// Copyright 2010 The Android Open Source Project
+//
+// The input reader.
+//
+#define LOG_TAG "InputDevice"
+
+//#define LOG_NDEBUG 0
+
+// Log debug messages for each raw event received from the EventHub.
+#define DEBUG_RAW_EVENTS 0
+
+// Log debug messages about touch screen filtering hacks.
+#define DEBUG_HACKS 0
+
+// Log debug messages about virtual key processing.
+#define DEBUG_VIRTUAL_KEYS 0
+
+// Log debug messages about pointers.
+#define DEBUG_POINTERS 0
+
+// Log debug messages about pointer assignment calculations.
+#define DEBUG_POINTER_ASSIGNMENT 0
+
+#include <cutils/log.h>
+#include <ui/InputDevice.h>
+
+#include <stddef.h>
+#include <unistd.h>
+#include <errno.h>
+#include <limits.h>
+
+/* Slop distance for jumpy pointer detection.
+ * The vertical range of the screen divided by this is our epsilon value. */
+#define JUMPY_EPSILON_DIVISOR 212
+
+/* Number of jumpy points to drop for touchscreens that need it. */
+#define JUMPY_TRANSITION_DROPS 3
+#define JUMPY_DROP_LIMIT 3
+
+/* Maximum squared distance for averaging.
+ * If moving farther than this, turn of averaging to avoid lag in response. */
+#define AVERAGING_DISTANCE_LIMIT (75 * 75)
+
+
+namespace android {
+
+// --- Static Functions ---
+
+template<typename T>
+inline static T abs(const T& value) {
+    return value < 0 ? - value : value;
+}
+
+template<typename T>
+inline static T min(const T& a, const T& b) {
+    return a < b ? a : b;
+}
+
+template<typename T>
+inline static void swap(T& a, T& b) {
+    T temp = a;
+    a = b;
+    b = temp;
+}
+
+
+// --- InputDevice ---
+
+InputDevice::InputDevice(int32_t id, uint32_t classes, String8 name) :
+    id(id), classes(classes), name(name), ignored(false) {
+}
+
+void InputDevice::reset() {
+    if (isKeyboard()) {
+        keyboard.reset();
+    }
+
+    if (isTrackball()) {
+        trackball.reset();
+    }
+
+    if (isMultiTouchScreen()) {
+        multiTouchScreen.reset();
+    } else if (isSingleTouchScreen()) {
+        singleTouchScreen.reset();
+    }
+
+    if (isTouchScreen()) {
+        touchScreen.reset();
+    }
+}
+
+
+// --- InputDevice::TouchData ---
+
+void InputDevice::TouchData::copyFrom(const TouchData& other) {
+    pointerCount = other.pointerCount;
+    idBits = other.idBits;
+
+    for (uint32_t i = 0; i < pointerCount; i++) {
+        pointers[i] = other.pointers[i];
+        idToIndex[i] = other.idToIndex[i];
+    }
+}
+
+
+// --- InputDevice::KeyboardState ---
+
+void InputDevice::KeyboardState::reset() {
+    current.metaState = META_NONE;
+    current.downTime = 0;
+}
+
+
+// --- InputDevice::TrackballState ---
+
+void InputDevice::TrackballState::reset() {
+    accumulator.clear();
+    current.down = false;
+    current.downTime = 0;
+}
+
+
+// --- InputDevice::TouchScreenState ---
+
+void InputDevice::TouchScreenState::reset() {
+    lastTouch.clear();
+    downTime = 0;
+    currentVirtualKey.status = CurrentVirtualKeyState::STATUS_UP;
+
+    for (uint32_t i = 0; i < MAX_POINTERS; i++) {
+        averagingTouchFilter.historyStart[i] = 0;
+        averagingTouchFilter.historyEnd[i] = 0;
+    }
+
+    jumpyTouchFilter.jumpyPointsDropped = 0;
+}
+
+struct PointerDistanceHeapElement {
+    uint32_t currentPointerIndex : 8;
+    uint32_t lastPointerIndex : 8;
+    uint64_t distance : 48; // squared distance
+};
+
+void InputDevice::TouchScreenState::calculatePointerIds() {
+    uint32_t currentPointerCount = currentTouch.pointerCount;
+    uint32_t lastPointerCount = lastTouch.pointerCount;
+
+    if (currentPointerCount == 0) {
+        // No pointers to assign.
+        currentTouch.idBits.clear();
+    } else if (lastPointerCount == 0) {
+        // All pointers are new.
+        currentTouch.idBits.clear();
+        for (uint32_t i = 0; i < currentPointerCount; i++) {
+            currentTouch.pointers[i].id = i;
+            currentTouch.idToIndex[i] = i;
+            currentTouch.idBits.markBit(i);
+        }
+    } else if (currentPointerCount == 1 && lastPointerCount == 1) {
+        // Only one pointer and no change in count so it must have the same id as before.
+        uint32_t id = lastTouch.pointers[0].id;
+        currentTouch.pointers[0].id = id;
+        currentTouch.idToIndex[id] = 0;
+        currentTouch.idBits.value = BitSet32::valueForBit(id);
+    } else {
+        // General case.
+        // We build a heap of squared euclidean distances between current and last pointers
+        // associated with the current and last pointer indices.  Then, we find the best
+        // match (by distance) for each current pointer.
+        PointerDistanceHeapElement heap[MAX_POINTERS * MAX_POINTERS];
+
+        uint32_t heapSize = 0;
+        for (uint32_t currentPointerIndex = 0; currentPointerIndex < currentPointerCount;
+                currentPointerIndex++) {
+            for (uint32_t lastPointerIndex = 0; lastPointerIndex < lastPointerCount;
+                    lastPointerIndex++) {
+                int64_t deltaX = currentTouch.pointers[currentPointerIndex].x
+                        - lastTouch.pointers[lastPointerIndex].x;
+                int64_t deltaY = currentTouch.pointers[currentPointerIndex].y
+                        - lastTouch.pointers[lastPointerIndex].y;
+
+                uint64_t distance = uint64_t(deltaX * deltaX + deltaY * deltaY);
+
+                // Insert new element into the heap (sift up).
+                heap[heapSize].currentPointerIndex = currentPointerIndex;
+                heap[heapSize].lastPointerIndex = lastPointerIndex;
+                heap[heapSize].distance = distance;
+                heapSize += 1;
+            }
+        }
+
+        // Heapify
+        for (uint32_t startIndex = heapSize / 2; startIndex != 0; ) {
+            startIndex -= 1;
+            for (uint32_t parentIndex = startIndex; ;) {
+                uint32_t childIndex = parentIndex * 2 + 1;
+                if (childIndex >= heapSize) {
+                    break;
+                }
+
+                if (childIndex + 1 < heapSize
+                        && heap[childIndex + 1].distance < heap[childIndex].distance) {
+                    childIndex += 1;
+                }
+
+                if (heap[parentIndex].distance <= heap[childIndex].distance) {
+                    break;
+                }
+
+                swap(heap[parentIndex], heap[childIndex]);
+                parentIndex = childIndex;
+            }
+        }
+
+#if DEBUG_POINTER_ASSIGNMENT
+        LOGD("calculatePointerIds - initial distance min-heap: size=%d", heapSize);
+        for (size_t i = 0; i < heapSize; i++) {
+            LOGD("  heap[%d]: cur=%d, last=%d, distance=%lld",
+                    i, heap[i].currentPointerIndex, heap[i].lastPointerIndex,
+                    heap[i].distance);
+        }
+#endif
+
+        // Pull matches out by increasing order of distance.
+        // To avoid reassigning pointers that have already been matched, the loop keeps track
+        // of which last and current pointers have been matched using the matchedXXXBits variables.
+        // It also tracks the used pointer id bits.
+        BitSet32 matchedLastBits(0);
+        BitSet32 matchedCurrentBits(0);
+        BitSet32 usedIdBits(0);
+        bool first = true;
+        for (uint32_t i = min(currentPointerCount, lastPointerCount); i > 0; i--) {
+            for (;;) {
+                if (first) {
+                    // The first time through the loop, we just consume the root element of
+                    // the heap (the one with smallest distance).
+                    first = false;
+                } else {
+                    // Previous iterations consumed the root element of the heap.
+                    // Pop root element off of the heap (sift down).
+                    heapSize -= 1;
+                    assert(heapSize > 0);
+
+                    // Sift down.
+                    heap[0] = heap[heapSize];
+                    for (uint32_t parentIndex = 0; ;) {
+                        uint32_t childIndex = parentIndex * 2 + 1;
+                        if (childIndex >= heapSize) {
+                            break;
+                        }
+
+                        if (childIndex + 1 < heapSize
+                                && heap[childIndex + 1].distance < heap[childIndex].distance) {
+                            childIndex += 1;
+                        }
+
+                        if (heap[parentIndex].distance <= heap[childIndex].distance) {
+                            break;
+                        }
+
+                        swap(heap[parentIndex], heap[childIndex]);
+                        parentIndex = childIndex;
+                    }
+
+#if DEBUG_POINTER_ASSIGNMENT
+                    LOGD("calculatePointerIds - reduced distance min-heap: size=%d", heapSize);
+                    for (size_t i = 0; i < heapSize; i++) {
+                        LOGD("  heap[%d]: cur=%d, last=%d, distance=%lld",
+                                i, heap[i].currentPointerIndex, heap[i].lastPointerIndex,
+                                heap[i].distance);
+                    }
+#endif
+                }
+
+                uint32_t currentPointerIndex = heap[0].currentPointerIndex;
+                if (matchedCurrentBits.hasBit(currentPointerIndex)) continue; // already matched
+
+                uint32_t lastPointerIndex = heap[0].lastPointerIndex;
+                if (matchedLastBits.hasBit(lastPointerIndex)) continue; // already matched
+
+                matchedCurrentBits.markBit(currentPointerIndex);
+                matchedLastBits.markBit(lastPointerIndex);
+
+                uint32_t id = lastTouch.pointers[lastPointerIndex].id;
+                currentTouch.pointers[currentPointerIndex].id = id;
+                currentTouch.idToIndex[id] = currentPointerIndex;
+                usedIdBits.markBit(id);
+
+#if DEBUG_POINTER_ASSIGNMENT
+                LOGD("calculatePointerIds - matched: cur=%d, last=%d, id=%d, distance=%lld",
+                        lastPointerIndex, currentPointerIndex, id, heap[0].distance);
+#endif
+                break;
+            }
+        }
+
+        // Assign fresh ids to new pointers.
+        if (currentPointerCount > lastPointerCount) {
+            for (uint32_t i = currentPointerCount - lastPointerCount; ;) {
+                uint32_t currentPointerIndex = matchedCurrentBits.firstUnmarkedBit();
+                uint32_t id = usedIdBits.firstUnmarkedBit();
+
+                currentTouch.pointers[currentPointerIndex].id = id;
+                currentTouch.idToIndex[id] = currentPointerIndex;
+                usedIdBits.markBit(id);
+
+#if DEBUG_POINTER_ASSIGNMENT
+                LOGD("calculatePointerIds - assigned: cur=%d, id=%d",
+                        currentPointerIndex, id);
+#endif
+
+                if (--i == 0) break; // done
+                matchedCurrentBits.markBit(currentPointerIndex);
+            }
+        }
+
+        // Fix id bits.
+        currentTouch.idBits = usedIdBits;
+    }
+}
+
+/* Special hack for devices that have bad screen data: if one of the
+ * points has moved more than a screen height from the last position,
+ * then drop it. */
+bool InputDevice::TouchScreenState::applyBadTouchFilter() {
+    // This hack requires valid axis parameters.
+    if (! parameters.yAxis.valid) {
+        return false;
+    }
+
+    uint32_t pointerCount = currentTouch.pointerCount;
+
+    // Nothing to do if there are no points.
+    if (pointerCount == 0) {
+        return false;
+    }
+
+    // Don't do anything if a finger is going down or up.  We run
+    // here before assigning pointer IDs, so there isn't a good
+    // way to do per-finger matching.
+    if (pointerCount != lastTouch.pointerCount) {
+        return false;
+    }
+
+    // We consider a single movement across more than a 7/16 of
+    // the long size of the screen to be bad.  This was a magic value
+    // determined by looking at the maximum distance it is feasible
+    // to actually move in one sample.
+    int32_t maxDeltaY = parameters.yAxis.range * 7 / 16;
+
+    // XXX The original code in InputDevice.java included commented out
+    //     code for testing the X axis.  Note that when we drop a point
+    //     we don't actually restore the old X either.  Strange.
+    //     The old code also tries to track when bad points were previously
+    //     detected but it turns out that due to the placement of a "break"
+    //     at the end of the loop, we never set mDroppedBadPoint to true
+    //     so it is effectively dead code.
+    // Need to figure out if the old code is busted or just overcomplicated
+    // but working as intended.
+
+    // Look through all new points and see if any are farther than
+    // acceptable from all previous points.
+    for (uint32_t i = pointerCount; i-- > 0; ) {
+        int32_t y = currentTouch.pointers[i].y;
+        int32_t closestY = INT_MAX;
+        int32_t closestDeltaY = 0;
+
+#if DEBUG_HACKS
+        LOGD("BadTouchFilter: Looking at next point #%d: y=%d", i, y);
+#endif
+
+        for (uint32_t j = pointerCount; j-- > 0; ) {
+            int32_t lastY = lastTouch.pointers[j].y;
+            int32_t deltaY = abs(y - lastY);
+
+#if DEBUG_HACKS
+            LOGD("BadTouchFilter: Comparing with last point #%d: y=%d deltaY=%d",
+                    j, lastY, deltaY);
+#endif
+
+            if (deltaY < maxDeltaY) {
+                goto SkipSufficientlyClosePoint;
+            }
+            if (deltaY < closestDeltaY) {
+                closestDeltaY = deltaY;
+                closestY = lastY;
+            }
+        }
+
+        // Must not have found a close enough match.
+#if DEBUG_HACKS
+        LOGD("BadTouchFilter: Dropping bad point #%d: newY=%d oldY=%d deltaY=%d maxDeltaY=%d",
+                i, y, closestY, closestDeltaY, maxDeltaY);
+#endif
+
+        currentTouch.pointers[i].y = closestY;
+        return true; // XXX original code only corrects one point
+
+    SkipSufficientlyClosePoint: ;
+    }
+
+    // No change.
+    return false;
+}
+
+/* Special hack for devices that have bad screen data: drop points where
+ * the coordinate value for one axis has jumped to the other pointer's location.
+ */
+bool InputDevice::TouchScreenState::applyJumpyTouchFilter() {
+    // This hack requires valid axis parameters.
+    if (! parameters.yAxis.valid) {
+        return false;
+    }
+
+    uint32_t pointerCount = currentTouch.pointerCount;
+    if (lastTouch.pointerCount != pointerCount) {
+#if DEBUG_HACKS
+        LOGD("JumpyTouchFilter: Different pointer count %d -> %d",
+                lastTouch.pointerCount, pointerCount);
+        for (uint32_t i = 0; i < pointerCount; i++) {
+            LOGD("  Pointer %d (%d, %d)", i,
+                    currentTouch.pointers[i].x, currentTouch.pointers[i].y);
+        }
+#endif
+
+        if (jumpyTouchFilter.jumpyPointsDropped < JUMPY_TRANSITION_DROPS) {
+            if (lastTouch.pointerCount == 1 && pointerCount == 2) {
+                // Just drop the first few events going from 1 to 2 pointers.
+                // They're bad often enough that they're not worth considering.
+                currentTouch.pointerCount = 1;
+                jumpyTouchFilter.jumpyPointsDropped += 1;
+
+#if DEBUG_HACKS
+                LOGD("JumpyTouchFilter: Pointer 2 dropped");
+#endif
+                return true;
+            } else if (lastTouch.pointerCount == 2 && pointerCount == 1) {
+                // The event when we go from 2 -> 1 tends to be messed up too
+                currentTouch.pointerCount = 2;
+                currentTouch.pointers[0] = lastTouch.pointers[0];
+                currentTouch.pointers[1] = lastTouch.pointers[1];
+                jumpyTouchFilter.jumpyPointsDropped += 1;
+
+#if DEBUG_HACKS
+                for (int32_t i = 0; i < 2; i++) {
+                    LOGD("JumpyTouchFilter: Pointer %d replaced (%d, %d)", i,
+                            currentTouch.pointers[i].x, currentTouch.pointers[i].y);
+                }
+#endif
+                return true;
+            }
+        }
+        // Reset jumpy points dropped on other transitions or if limit exceeded.
+        jumpyTouchFilter.jumpyPointsDropped = 0;
+
+#if DEBUG_HACKS
+        LOGD("JumpyTouchFilter: Transition - drop limit reset");
+#endif
+        return false;
+    }
+
+    // We have the same number of pointers as last time.
+    // A 'jumpy' point is one where the coordinate value for one axis
+    // has jumped to the other pointer's location. No need to do anything
+    // else if we only have one pointer.
+    if (pointerCount < 2) {
+        return false;
+    }
+
+    if (jumpyTouchFilter.jumpyPointsDropped < JUMPY_DROP_LIMIT) {
+        int jumpyEpsilon = parameters.yAxis.range / JUMPY_EPSILON_DIVISOR;
+
+        // We only replace the single worst jumpy point as characterized by pointer distance
+        // in a single axis.
+        int32_t badPointerIndex = -1;
+        int32_t badPointerReplacementIndex = -1;
+        int32_t badPointerDistance = INT_MIN; // distance to be corrected
+
+        for (uint32_t i = pointerCount; i-- > 0; ) {
+            int32_t x = currentTouch.pointers[i].x;
+            int32_t y = currentTouch.pointers[i].y;
+
+#if DEBUG_HACKS
+            LOGD("JumpyTouchFilter: Point %d (%d, %d)", i, x, y);
+#endif
+
+            // Check if a touch point is too close to another's coordinates
+            bool dropX = false, dropY = false;
+            for (uint32_t j = 0; j < pointerCount; j++) {
+                if (i == j) {
+                    continue;
+                }
+
+                if (abs(x - currentTouch.pointers[j].x) <= jumpyEpsilon) {
+                    dropX = true;
+                    break;
+                }
+
+                if (abs(y - currentTouch.pointers[j].y) <= jumpyEpsilon) {
+                    dropY = true;
+                    break;
+                }
+            }
+            if (! dropX && ! dropY) {
+                continue; // not jumpy
+            }
+
+            // Find a replacement candidate by comparing with older points on the
+            // complementary (non-jumpy) axis.
+            int32_t distance = INT_MIN; // distance to be corrected
+            int32_t replacementIndex = -1;
+
+            if (dropX) {
+                // X looks too close.  Find an older replacement point with a close Y.
+                int32_t smallestDeltaY = INT_MAX;
+                for (uint32_t j = 0; j < pointerCount; j++) {
+                    int32_t deltaY = abs(y - lastTouch.pointers[j].y);
+                    if (deltaY < smallestDeltaY) {
+                        smallestDeltaY = deltaY;
+                        replacementIndex = j;
+                    }
+                }
+                distance = abs(x - lastTouch.pointers[replacementIndex].x);
+            } else {
+                // Y looks too close.  Find an older replacement point with a close X.
+                int32_t smallestDeltaX = INT_MAX;
+                for (uint32_t j = 0; j < pointerCount; j++) {
+                    int32_t deltaX = abs(x - lastTouch.pointers[j].x);
+                    if (deltaX < smallestDeltaX) {
+                        smallestDeltaX = deltaX;
+                        replacementIndex = j;
+                    }
+                }
+                distance = abs(y - lastTouch.pointers[replacementIndex].y);
+            }
+
+            // If replacing this pointer would correct a worse error than the previous ones
+            // considered, then use this replacement instead.
+            if (distance > badPointerDistance) {
+                badPointerIndex = i;
+                badPointerReplacementIndex = replacementIndex;
+                badPointerDistance = distance;
+            }
+        }
+
+        // Correct the jumpy pointer if one was found.
+        if (badPointerIndex >= 0) {
+#if DEBUG_HACKS
+            LOGD("JumpyTouchFilter: Replacing bad pointer %d with (%d, %d)",
+                    badPointerIndex,
+                    lastTouch.pointers[badPointerReplacementIndex].x,
+                    lastTouch.pointers[badPointerReplacementIndex].y);
+#endif
+
+            currentTouch.pointers[badPointerIndex].x =
+                    lastTouch.pointers[badPointerReplacementIndex].x;
+            currentTouch.pointers[badPointerIndex].y =
+                    lastTouch.pointers[badPointerReplacementIndex].y;
+            jumpyTouchFilter.jumpyPointsDropped += 1;
+            return true;
+        }
+    }
+
+    jumpyTouchFilter.jumpyPointsDropped = 0;
+    return false;
+}
+
+/* Special hack for devices that have bad screen data: aggregate and
+ * compute averages of the coordinate data, to reduce the amount of
+ * jitter seen by applications. */
+void InputDevice::TouchScreenState::applyAveragingTouchFilter() {
+    for (uint32_t currentIndex = 0; currentIndex < currentTouch.pointerCount; currentIndex++) {
+        uint32_t id = currentTouch.pointers[currentIndex].id;
+        int32_t x = currentTouch.pointers[currentIndex].x;
+        int32_t y = currentTouch.pointers[currentIndex].y;
+        int32_t pressure = currentTouch.pointers[currentIndex].pressure;
+
+        if (lastTouch.idBits.hasBit(id)) {
+            // Pointer was down before and is still down now.
+            // Compute average over history trace.
+            uint32_t start = averagingTouchFilter.historyStart[id];
+            uint32_t end = averagingTouchFilter.historyEnd[id];
+
+            int64_t deltaX = x - averagingTouchFilter.historyData[end].pointers[id].x;
+            int64_t deltaY = y - averagingTouchFilter.historyData[end].pointers[id].y;
+            uint64_t distance = uint64_t(deltaX * deltaX + deltaY * deltaY);
+
+#if DEBUG_HACKS
+            LOGD("AveragingTouchFilter: Pointer id %d - Distance from last sample: %lld",
+                    id, distance);
+#endif
+
+            if (distance < AVERAGING_DISTANCE_LIMIT) {
+                // Increment end index in preparation for recording new historical data.
+                end += 1;
+                if (end > AVERAGING_HISTORY_SIZE) {
+                    end = 0;
+                }
+
+                // If the end index has looped back to the start index then we have filled
+                // the historical trace up to the desired size so we drop the historical
+                // data at the start of the trace.
+                if (end == start) {
+                    start += 1;
+                    if (start > AVERAGING_HISTORY_SIZE) {
+                        start = 0;
+                    }
+                }
+
+                // Add the raw data to the historical trace.
+                averagingTouchFilter.historyStart[id] = start;
+                averagingTouchFilter.historyEnd[id] = end;
+                averagingTouchFilter.historyData[end].pointers[id].x = x;
+                averagingTouchFilter.historyData[end].pointers[id].y = y;
+                averagingTouchFilter.historyData[end].pointers[id].pressure = pressure;
+
+                // Average over all historical positions in the trace by total pressure.
+                int32_t averagedX = 0;
+                int32_t averagedY = 0;
+                int32_t totalPressure = 0;
+                for (;;) {
+                    int32_t historicalX = averagingTouchFilter.historyData[start].pointers[id].x;
+                    int32_t historicalY = averagingTouchFilter.historyData[start].pointers[id].y;
+                    int32_t historicalPressure = averagingTouchFilter.historyData[start]
+                            .pointers[id].pressure;
+
+                    averagedX += historicalX * historicalPressure;
+                    averagedY += historicalY * historicalPressure;
+                    totalPressure += historicalPressure;
+
+                    if (start == end) {
+                        break;
+                    }
+
+                    start += 1;
+                    if (start > AVERAGING_HISTORY_SIZE) {
+                        start = 0;
+                    }
+                }
+
+                averagedX /= totalPressure;
+                averagedY /= totalPressure;
+
+#if DEBUG_HACKS
+                LOGD("AveragingTouchFilter: Pointer id %d - "
+                        "totalPressure=%d, averagedX=%d, averagedY=%d", id, totalPressure,
+                        averagedX, averagedY);
+#endif
+
+                currentTouch.pointers[currentIndex].x = averagedX;
+                currentTouch.pointers[currentIndex].y = averagedY;
+            } else {
+#if DEBUG_HACKS
+                LOGD("AveragingTouchFilter: Pointer id %d - Exceeded max distance", id);
+#endif
+            }
+        } else {
+#if DEBUG_HACKS
+            LOGD("AveragingTouchFilter: Pointer id %d - Pointer went up", id);
+#endif
+        }
+
+        // Reset pointer history.
+        averagingTouchFilter.historyStart[id] = 0;
+        averagingTouchFilter.historyEnd[id] = 0;
+        averagingTouchFilter.historyData[0].pointers[id].x = x;
+        averagingTouchFilter.historyData[0].pointers[id].y = y;
+        averagingTouchFilter.historyData[0].pointers[id].pressure = pressure;
+    }
+}
+
+bool InputDevice::TouchScreenState::isPointInsideDisplay(int32_t x, int32_t y) const {
+    if (! parameters.xAxis.valid || ! parameters.yAxis.valid) {
+        // Assume all points on a touch screen without valid axis parameters are
+        // inside the display.
+        return true;
+    }
+
+    return x >= parameters.xAxis.minValue
+        && x <= parameters.xAxis.maxValue
+        && y >= parameters.yAxis.minValue
+        && y <= parameters.yAxis.maxValue;
+}
+
+const InputDevice::VirtualKey* InputDevice::TouchScreenState::findVirtualKeyHit() const {
+    int32_t x = currentTouch.pointers[0].x;
+    int32_t y = currentTouch.pointers[0].y;
+    for (size_t i = 0; i < virtualKeys.size(); i++) {
+        const InputDevice::VirtualKey& virtualKey = virtualKeys[i];
+
+#if DEBUG_VIRTUAL_KEYS
+        LOGD("VirtualKeys: Hit test (%d, %d): keyCode=%d, scanCode=%d, "
+                "left=%d, top=%d, right=%d, bottom=%d",
+                x, y,
+                virtualKey.keyCode, virtualKey.scanCode,
+                virtualKey.hitLeft, virtualKey.hitTop,
+                virtualKey.hitRight, virtualKey.hitBottom);
+#endif
+
+        if (virtualKey.isHit(x, y)) {
+            return & virtualKey;
+        }
+    }
+
+    return NULL;
+}
+
+
+// --- InputDevice::SingleTouchScreenState ---
+
+void InputDevice::SingleTouchScreenState::reset() {
+    accumulator.clear();
+    current.down = false;
+    current.x = 0;
+    current.y = 0;
+    current.pressure = 0;
+    current.size = 0;
+}
+
+
+// --- InputDevice::MultiTouchScreenState ---
+
+void InputDevice::MultiTouchScreenState::reset() {
+    accumulator.clear();
+}
+
+} // namespace android
diff --git a/libs/ui/InputDispatcher.cpp b/libs/ui/InputDispatcher.cpp
index f809cba..c4ffce1 100644
--- a/libs/ui/InputDispatcher.cpp
+++ b/libs/ui/InputDispatcher.cpp
@@ -40,10 +40,10 @@ namespace android {
 
 // TODO, this needs to be somewhere else, perhaps in the policy
 static inline bool isMovementKey(int32_t keyCode) {
-    return keyCode == KEYCODE_DPAD_UP
-            || keyCode == KEYCODE_DPAD_DOWN
-            || keyCode == KEYCODE_DPAD_LEFT
-            || keyCode == KEYCODE_DPAD_RIGHT;
+    return keyCode == AKEYCODE_DPAD_UP
+            || keyCode == AKEYCODE_DPAD_DOWN
+            || keyCode == AKEYCODE_DPAD_LEFT
+            || keyCode == AKEYCODE_DPAD_RIGHT;
 }
 
 static inline nsecs_t now() {
diff --git a/libs/ui/InputReader.cpp b/libs/ui/InputReader.cpp
index fced15c..0a21db7 100644
--- a/libs/ui/InputReader.cpp
+++ b/libs/ui/InputReader.cpp
@@ -33,18 +33,6 @@
 /** Amount that trackball needs to move in order to generate a key event. */
 #define TRACKBALL_MOVEMENT_THRESHOLD 6
 
-/* Slop distance for jumpy pointer detection.
- * The vertical range of the screen divided by this is our epsilon value. */
-#define JUMPY_EPSILON_DIVISOR 212
-
-/* Number of jumpy points to drop for touchscreens that need it. */
-#define JUMPY_TRANSITION_DROPS 3
-#define JUMPY_DROP_LIMIT 3
-
-/* Maximum squared distance for averaging.
- * If moving farther than this, turn of averaging to avoid lag in response. */
-#define AVERAGING_DISTANCE_LIMIT (75 * 75)
-
 
 namespace android {
 
@@ -71,19 +59,19 @@ inline static void swap(T& a, T& b) {
 int32_t updateMetaState(int32_t keyCode, bool down, int32_t oldMetaState) {
     int32_t mask;
     switch (keyCode) {
-    case KEYCODE_ALT_LEFT:
+    case AKEYCODE_ALT_LEFT:
         mask = META_ALT_LEFT_ON;
         break;
-    case KEYCODE_ALT_RIGHT:
+    case AKEYCODE_ALT_RIGHT:
         mask = META_ALT_RIGHT_ON;
         break;
-    case KEYCODE_SHIFT_LEFT:
+    case AKEYCODE_SHIFT_LEFT:
         mask = META_SHIFT_LEFT_ON;
         break;
-    case KEYCODE_SHIFT_RIGHT:
+    case AKEYCODE_SHIFT_RIGHT:
         mask = META_SHIFT_RIGHT_ON;
         break;
-    case KEYCODE_SYM:
+    case AKEYCODE_SYM:
         mask = META_SYM_ON;
         break;
     default:
@@ -107,10 +95,10 @@ int32_t updateMetaState(int32_t keyCode, bool down, int32_t oldMetaState) {
 static const int32_t keyCodeRotationMap[][4] = {
         // key codes enumerated counter-clockwise with the original (unrotated) key first
         // no rotation,        90 degree rotation,  180 degree rotation, 270 degree rotation
-        { KEYCODE_DPAD_DOWN,   KEYCODE_DPAD_RIGHT,  KEYCODE_DPAD_UP,     KEYCODE_DPAD_LEFT },
-        { KEYCODE_DPAD_RIGHT,  KEYCODE_DPAD_UP,     KEYCODE_DPAD_LEFT,   KEYCODE_DPAD_DOWN },
-        { KEYCODE_DPAD_UP,     KEYCODE_DPAD_LEFT,   KEYCODE_DPAD_DOWN,   KEYCODE_DPAD_RIGHT },
-        { KEYCODE_DPAD_LEFT,   KEYCODE_DPAD_DOWN,   KEYCODE_DPAD_RIGHT,  KEYCODE_DPAD_UP },
+        { AKEYCODE_DPAD_DOWN,   AKEYCODE_DPAD_RIGHT,  AKEYCODE_DPAD_UP,     AKEYCODE_DPAD_LEFT },
+        { AKEYCODE_DPAD_RIGHT,  AKEYCODE_DPAD_UP,     AKEYCODE_DPAD_LEFT,   AKEYCODE_DPAD_DOWN },
+        { AKEYCODE_DPAD_UP,     AKEYCODE_DPAD_LEFT,   AKEYCODE_DPAD_DOWN,   AKEYCODE_DPAD_RIGHT },
+        { AKEYCODE_DPAD_LEFT,   AKEYCODE_DPAD_DOWN,   AKEYCODE_DPAD_RIGHT,  AKEYCODE_DPAD_UP },
 };
 static const int keyCodeRotationMapSize =
         sizeof(keyCodeRotationMap) / sizeof(keyCodeRotationMap[0]);
@@ -127,668 +115,6 @@ int32_t rotateKeyCode(int32_t keyCode, int32_t orientation) {
 }
 
 
-// --- InputDevice ---
-
-InputDevice::InputDevice(int32_t id, uint32_t classes, String8 name) :
-    id(id), classes(classes), name(name), ignored(false) {
-}
-
-void InputDevice::reset() {
-    if (isKeyboard()) {
-        keyboard.reset();
-    }
-
-    if (isTrackball()) {
-        trackball.reset();
-    }
-
-    if (isMultiTouchScreen()) {
-        multiTouchScreen.reset();
-    } else if (isSingleTouchScreen()) {
-        singleTouchScreen.reset();
-    }
-
-    if (isTouchScreen()) {
-        touchScreen.reset();
-    }
-}
-
-
-// --- InputDevice::TouchData ---
-
-void InputDevice::TouchData::copyFrom(const TouchData& other) {
-    pointerCount = other.pointerCount;
-    idBits = other.idBits;
-
-    for (uint32_t i = 0; i < pointerCount; i++) {
-        pointers[i] = other.pointers[i];
-        idToIndex[i] = other.idToIndex[i];
-    }
-}
-
-
-// --- InputDevice::KeyboardState ---
-
-void InputDevice::KeyboardState::reset() {
-    current.metaState = META_NONE;
-    current.downTime = 0;
-}
-
-
-// --- InputDevice::TrackballState ---
-
-void InputDevice::TrackballState::reset() {
-    accumulator.clear();
-    current.down = false;
-    current.downTime = 0;
-}
-
-
-// --- InputDevice::TouchScreenState ---
-
-void InputDevice::TouchScreenState::reset() {
-    lastTouch.clear();
-    downTime = 0;
-    currentVirtualKey.status = CurrentVirtualKeyState::STATUS_UP;
-
-    for (uint32_t i = 0; i < MAX_POINTERS; i++) {
-        averagingTouchFilter.historyStart[i] = 0;
-        averagingTouchFilter.historyEnd[i] = 0;
-    }
-
-    jumpyTouchFilter.jumpyPointsDropped = 0;
-}
-
-struct PointerDistanceHeapElement {
-    uint32_t currentPointerIndex : 8;
-    uint32_t lastPointerIndex : 8;
-    uint64_t distance : 48; // squared distance
-};
-
-void InputDevice::TouchScreenState::calculatePointerIds() {
-    uint32_t currentPointerCount = currentTouch.pointerCount;
-    uint32_t lastPointerCount = lastTouch.pointerCount;
-
-    if (currentPointerCount == 0) {
-        // No pointers to assign.
-        currentTouch.idBits.clear();
-    } else if (lastPointerCount == 0) {
-        // All pointers are new.
-        currentTouch.idBits.clear();
-        for (uint32_t i = 0; i < currentPointerCount; i++) {
-            currentTouch.pointers[i].id = i;
-            currentTouch.idToIndex[i] = i;
-            currentTouch.idBits.markBit(i);
-        }
-    } else if (currentPointerCount == 1 && lastPointerCount == 1) {
-        // Only one pointer and no change in count so it must have the same id as before.
-        uint32_t id = lastTouch.pointers[0].id;
-        currentTouch.pointers[0].id = id;
-        currentTouch.idToIndex[id] = 0;
-        currentTouch.idBits.value = BitSet32::valueForBit(id);
-    } else {
-        // General case.
-        // We build a heap of squared euclidean distances between current and last pointers
-        // associated with the current and last pointer indices.  Then, we find the best
-        // match (by distance) for each current pointer.
-        PointerDistanceHeapElement heap[MAX_POINTERS * MAX_POINTERS];
-
-        uint32_t heapSize = 0;
-        for (uint32_t currentPointerIndex = 0; currentPointerIndex < currentPointerCount;
-                currentPointerIndex++) {
-            for (uint32_t lastPointerIndex = 0; lastPointerIndex < lastPointerCount;
-                    lastPointerIndex++) {
-                int64_t deltaX = currentTouch.pointers[currentPointerIndex].x
-                        - lastTouch.pointers[lastPointerIndex].x;
-                int64_t deltaY = currentTouch.pointers[currentPointerIndex].y
-                        - lastTouch.pointers[lastPointerIndex].y;
-
-                uint64_t distance = uint64_t(deltaX * deltaX + deltaY * deltaY);
-
-                // Insert new element into the heap (sift up).
-                heap[heapSize].currentPointerIndex = currentPointerIndex;
-                heap[heapSize].lastPointerIndex = lastPointerIndex;
-                heap[heapSize].distance = distance;
-                heapSize += 1;
-            }
-        }
-
-        // Heapify
-        for (uint32_t startIndex = heapSize / 2; startIndex != 0; ) {
-            startIndex -= 1;
-            for (uint32_t parentIndex = startIndex; ;) {
-                uint32_t childIndex = parentIndex * 2 + 1;
-                if (childIndex >= heapSize) {
-                    break;
-                }
-
-                if (childIndex + 1 < heapSize
-                        && heap[childIndex + 1].distance < heap[childIndex].distance) {
-                    childIndex += 1;
-                }
-
-                if (heap[parentIndex].distance <= heap[childIndex].distance) {
-                    break;
-                }
-
-                swap(heap[parentIndex], heap[childIndex]);
-                parentIndex = childIndex;
-            }
-        }
-
-#if DEBUG_POINTER_ASSIGNMENT
-        LOGD("calculatePointerIds - initial distance min-heap: size=%d", heapSize);
-        for (size_t i = 0; i < heapSize; i++) {
-            LOGD("  heap[%d]: cur=%d, last=%d, distance=%lld",
-                    i, heap[i].currentPointerIndex, heap[i].lastPointerIndex,
-                    heap[i].distance);
-        }
-#endif
-
-        // Pull matches out by increasing order of distance.
-        // To avoid reassigning pointers that have already been matched, the loop keeps track
-        // of which last and current pointers have been matched using the matchedXXXBits variables.
-        // It also tracks the used pointer id bits.
-        BitSet32 matchedLastBits(0);
-        BitSet32 matchedCurrentBits(0);
-        BitSet32 usedIdBits(0);
-        bool first = true;
-        for (uint32_t i = min(currentPointerCount, lastPointerCount); i > 0; i--) {
-            for (;;) {
-                if (first) {
-                    // The first time through the loop, we just consume the root element of
-                    // the heap (the one with smallest distance).
-                    first = false;
-                } else {
-                    // Previous iterations consumed the root element of the heap.
-                    // Pop root element off of the heap (sift down).
-                    heapSize -= 1;
-                    assert(heapSize > 0);
-
-                    // Sift down.
-                    heap[0] = heap[heapSize];
-                    for (uint32_t parentIndex = 0; ;) {
-                        uint32_t childIndex = parentIndex * 2 + 1;
-                        if (childIndex >= heapSize) {
-                            break;
-                        }
-
-                        if (childIndex + 1 < heapSize
-                                && heap[childIndex + 1].distance < heap[childIndex].distance) {
-                            childIndex += 1;
-                        }
-
-                        if (heap[parentIndex].distance <= heap[childIndex].distance) {
-                            break;
-                        }
-
-                        swap(heap[parentIndex], heap[childIndex]);
-                        parentIndex = childIndex;
-                    }
-
-#if DEBUG_POINTER_ASSIGNMENT
-                    LOGD("calculatePointerIds - reduced distance min-heap: size=%d", heapSize);
-                    for (size_t i = 0; i < heapSize; i++) {
-                        LOGD("  heap[%d]: cur=%d, last=%d, distance=%lld",
-                                i, heap[i].currentPointerIndex, heap[i].lastPointerIndex,
-                                heap[i].distance);
-                    }
-#endif
-                }
-
-                uint32_t currentPointerIndex = heap[0].currentPointerIndex;
-                if (matchedCurrentBits.hasBit(currentPointerIndex)) continue; // already matched
-
-                uint32_t lastPointerIndex = heap[0].lastPointerIndex;
-                if (matchedLastBits.hasBit(lastPointerIndex)) continue; // already matched
-
-                matchedCurrentBits.markBit(currentPointerIndex);
-                matchedLastBits.markBit(lastPointerIndex);
-
-                uint32_t id = lastTouch.pointers[lastPointerIndex].id;
-                currentTouch.pointers[currentPointerIndex].id = id;
-                currentTouch.idToIndex[id] = currentPointerIndex;
-                usedIdBits.markBit(id);
-
-#if DEBUG_POINTER_ASSIGNMENT
-                LOGD("calculatePointerIds - matched: cur=%d, last=%d, id=%d, distance=%lld",
-                        lastPointerIndex, currentPointerIndex, id, heap[0].distance);
-#endif
-                break;
-            }
-        }
-
-        // Assign fresh ids to new pointers.
-        if (currentPointerCount > lastPointerCount) {
-            for (uint32_t i = currentPointerCount - lastPointerCount; ;) {
-                uint32_t currentPointerIndex = matchedCurrentBits.firstUnmarkedBit();
-                uint32_t id = usedIdBits.firstUnmarkedBit();
-
-                currentTouch.pointers[currentPointerIndex].id = id;
-                currentTouch.idToIndex[id] = currentPointerIndex;
-                usedIdBits.markBit(id);
-
-#if DEBUG_POINTER_ASSIGNMENT
-                LOGD("calculatePointerIds - assigned: cur=%d, id=%d",
-                        currentPointerIndex, id);
-#endif
-
-                if (--i == 0) break; // done
-                matchedCurrentBits.markBit(currentPointerIndex);
-            }
-        }
-
-        // Fix id bits.
-        currentTouch.idBits = usedIdBits;
-    }
-}
-
-/* Special hack for devices that have bad screen data: if one of the
- * points has moved more than a screen height from the last position,
- * then drop it. */
-bool InputDevice::TouchScreenState::applyBadTouchFilter() {
-    // This hack requires valid axis parameters.
-    if (! parameters.yAxis.valid) {
-        return false;
-    }
-
-    uint32_t pointerCount = currentTouch.pointerCount;
-
-    // Nothing to do if there are no points.
-    if (pointerCount == 0) {
-        return false;
-    }
-
-    // Don't do anything if a finger is going down or up.  We run
-    // here before assigning pointer IDs, so there isn't a good
-    // way to do per-finger matching.
-    if (pointerCount != lastTouch.pointerCount) {
-        return false;
-    }
-
-    // We consider a single movement across more than a 7/16 of
-    // the long size of the screen to be bad.  This was a magic value
-    // determined by looking at the maximum distance it is feasible
-    // to actually move in one sample.
-    int32_t maxDeltaY = parameters.yAxis.range * 7 / 16;
-
-    // XXX The original code in InputDevice.java included commented out
-    //     code for testing the X axis.  Note that when we drop a point
-    //     we don't actually restore the old X either.  Strange.
-    //     The old code also tries to track when bad points were previously
-    //     detected but it turns out that due to the placement of a "break"
-    //     at the end of the loop, we never set mDroppedBadPoint to true
-    //     so it is effectively dead code.
-    // Need to figure out if the old code is busted or just overcomplicated
-    // but working as intended.
-
-    // Look through all new points and see if any are farther than
-    // acceptable from all previous points.
-    for (uint32_t i = pointerCount; i-- > 0; ) {
-        int32_t y = currentTouch.pointers[i].y;
-        int32_t closestY = INT_MAX;
-        int32_t closestDeltaY = 0;
-
-#if DEBUG_HACKS
-        LOGD("BadTouchFilter: Looking at next point #%d: y=%d", i, y);
-#endif
-
-        for (uint32_t j = pointerCount; j-- > 0; ) {
-            int32_t lastY = lastTouch.pointers[j].y;
-            int32_t deltaY = abs(y - lastY);
-
-#if DEBUG_HACKS
-            LOGD("BadTouchFilter: Comparing with last point #%d: y=%d deltaY=%d",
-                    j, lastY, deltaY);
-#endif
-
-            if (deltaY < maxDeltaY) {
-                goto SkipSufficientlyClosePoint;
-            }
-            if (deltaY < closestDeltaY) {
-                closestDeltaY = deltaY;
-                closestY = lastY;
-            }
-        }
-
-        // Must not have found a close enough match.
-#if DEBUG_HACKS
-        LOGD("BadTouchFilter: Dropping bad point #%d: newY=%d oldY=%d deltaY=%d maxDeltaY=%d",
-                i, y, closestY, closestDeltaY, maxDeltaY);
-#endif
-
-        currentTouch.pointers[i].y = closestY;
-        return true; // XXX original code only corrects one point
-
-    SkipSufficientlyClosePoint: ;
-    }
-
-    // No change.
-    return false;
-}
-
-/* Special hack for devices that have bad screen data: drop points where
- * the coordinate value for one axis has jumped to the other pointer's location.
- */
-bool InputDevice::TouchScreenState::applyJumpyTouchFilter() {
-    // This hack requires valid axis parameters.
-    if (! parameters.yAxis.valid) {
-        return false;
-    }
-
-    uint32_t pointerCount = currentTouch.pointerCount;
-    if (lastTouch.pointerCount != pointerCount) {
-#if DEBUG_HACKS
-        LOGD("JumpyTouchFilter: Different pointer count %d -> %d",
-                lastTouch.pointerCount, pointerCount);
-        for (uint32_t i = 0; i < pointerCount; i++) {
-            LOGD("  Pointer %d (%d, %d)", i,
-                    currentTouch.pointers[i].x, currentTouch.pointers[i].y);
-        }
-#endif
-
-        if (jumpyTouchFilter.jumpyPointsDropped < JUMPY_TRANSITION_DROPS) {
-            if (lastTouch.pointerCount == 1 && pointerCount == 2) {
-                // Just drop the first few events going from 1 to 2 pointers.
-                // They're bad often enough that they're not worth considering.
-                currentTouch.pointerCount = 1;
-                jumpyTouchFilter.jumpyPointsDropped += 1;
-
-#if DEBUG_HACKS
-                LOGD("JumpyTouchFilter: Pointer 2 dropped");
-#endif
-                return true;
-            } else if (lastTouch.pointerCount == 2 && pointerCount == 1) {
-                // The event when we go from 2 -> 1 tends to be messed up too
-                currentTouch.pointerCount = 2;
-                currentTouch.pointers[0] = lastTouch.pointers[0];
-                currentTouch.pointers[1] = lastTouch.pointers[1];
-                jumpyTouchFilter.jumpyPointsDropped += 1;
-
-#if DEBUG_HACKS
-                for (int32_t i = 0; i < 2; i++) {
-                    LOGD("JumpyTouchFilter: Pointer %d replaced (%d, %d)", i,
-                            currentTouch.pointers[i].x, currentTouch.pointers[i].y);
-                }
-#endif
-                return true;
-            }
-        }
-        // Reset jumpy points dropped on other transitions or if limit exceeded.
-        jumpyTouchFilter.jumpyPointsDropped = 0;
-
-#if DEBUG_HACKS
-        LOGD("JumpyTouchFilter: Transition - drop limit reset");
-#endif
-        return false;
-    }
-
-    // We have the same number of pointers as last time.
-    // A 'jumpy' point is one where the coordinate value for one axis
-    // has jumped to the other pointer's location. No need to do anything
-    // else if we only have one pointer.
-    if (pointerCount < 2) {
-        return false;
-    }
-
-    if (jumpyTouchFilter.jumpyPointsDropped < JUMPY_DROP_LIMIT) {
-        int jumpyEpsilon = parameters.yAxis.range / JUMPY_EPSILON_DIVISOR;
-
-        // We only replace the single worst jumpy point as characterized by pointer distance
-        // in a single axis.
-        int32_t badPointerIndex = -1;
-        int32_t badPointerReplacementIndex = -1;
-        int32_t badPointerDistance = INT_MIN; // distance to be corrected
-
-        for (uint32_t i = pointerCount; i-- > 0; ) {
-            int32_t x = currentTouch.pointers[i].x;
-            int32_t y = currentTouch.pointers[i].y;
-
-#if DEBUG_HACKS
-            LOGD("JumpyTouchFilter: Point %d (%d, %d)", i, x, y);
-#endif
-
-            // Check if a touch point is too close to another's coordinates
-            bool dropX = false, dropY = false;
-            for (uint32_t j = 0; j < pointerCount; j++) {
-                if (i == j) {
-                    continue;
-                }
-
-                if (abs(x - currentTouch.pointers[j].x) <= jumpyEpsilon) {
-                    dropX = true;
-                    break;
-                }
-
-                if (abs(y - currentTouch.pointers[j].y) <= jumpyEpsilon) {
-                    dropY = true;
-                    break;
-                }
-            }
-            if (! dropX && ! dropY) {
-                continue; // not jumpy
-            }
-
-            // Find a replacement candidate by comparing with older points on the
-            // complementary (non-jumpy) axis.
-            int32_t distance = INT_MIN; // distance to be corrected
-            int32_t replacementIndex = -1;
-
-            if (dropX) {
-                // X looks too close.  Find an older replacement point with a close Y.
-                int32_t smallestDeltaY = INT_MAX;
-                for (uint32_t j = 0; j < pointerCount; j++) {
-                    int32_t deltaY = abs(y - lastTouch.pointers[j].y);
-                    if (deltaY < smallestDeltaY) {
-                        smallestDeltaY = deltaY;
-                        replacementIndex = j;
-                    }
-                }
-                distance = abs(x - lastTouch.pointers[replacementIndex].x);
-            } else {
-                // Y looks too close.  Find an older replacement point with a close X.
-                int32_t smallestDeltaX = INT_MAX;
-                for (uint32_t j = 0; j < pointerCount; j++) {
-                    int32_t deltaX = abs(x - lastTouch.pointers[j].x);
-                    if (deltaX < smallestDeltaX) {
-                        smallestDeltaX = deltaX;
-                        replacementIndex = j;
-                    }
-                }
-                distance = abs(y - lastTouch.pointers[replacementIndex].y);
-            }
-
-            // If replacing this pointer would correct a worse error than the previous ones
-            // considered, then use this replacement instead.
-            if (distance > badPointerDistance) {
-                badPointerIndex = i;
-                badPointerReplacementIndex = replacementIndex;
-                badPointerDistance = distance;
-            }
-        }
-
-        // Correct the jumpy pointer if one was found.
-        if (badPointerIndex >= 0) {
-#if DEBUG_HACKS
-            LOGD("JumpyTouchFilter: Replacing bad pointer %d with (%d, %d)",
-                    badPointerIndex,
-                    lastTouch.pointers[badPointerReplacementIndex].x,
-                    lastTouch.pointers[badPointerReplacementIndex].y);
-#endif
-
-            currentTouch.pointers[badPointerIndex].x =
-                    lastTouch.pointers[badPointerReplacementIndex].x;
-            currentTouch.pointers[badPointerIndex].y =
-                    lastTouch.pointers[badPointerReplacementIndex].y;
-            jumpyTouchFilter.jumpyPointsDropped += 1;
-            return true;
-        }
-    }
-
-    jumpyTouchFilter.jumpyPointsDropped = 0;
-    return false;
-}
-
-/* Special hack for devices that have bad screen data: aggregate and
- * compute averages of the coordinate data, to reduce the amount of
- * jitter seen by applications. */
-void InputDevice::TouchScreenState::applyAveragingTouchFilter() {
-    for (uint32_t currentIndex = 0; currentIndex < currentTouch.pointerCount; currentIndex++) {
-        uint32_t id = currentTouch.pointers[currentIndex].id;
-        int32_t x = currentTouch.pointers[currentIndex].x;
-        int32_t y = currentTouch.pointers[currentIndex].y;
-        int32_t pressure = currentTouch.pointers[currentIndex].pressure;
-
-        if (lastTouch.idBits.hasBit(id)) {
-            // Pointer was down before and is still down now.
-            // Compute average over history trace.
-            uint32_t start = averagingTouchFilter.historyStart[id];
-            uint32_t end = averagingTouchFilter.historyEnd[id];
-
-            int64_t deltaX = x - averagingTouchFilter.historyData[end].pointers[id].x;
-            int64_t deltaY = y - averagingTouchFilter.historyData[end].pointers[id].y;
-            uint64_t distance = uint64_t(deltaX * deltaX + deltaY * deltaY);
-
-#if DEBUG_HACKS
-            LOGD("AveragingTouchFilter: Pointer id %d - Distance from last sample: %lld",
-                    id, distance);
-#endif
-
-            if (distance < AVERAGING_DISTANCE_LIMIT) {
-                // Increment end index in preparation for recording new historical data.
-                end += 1;
-                if (end > AVERAGING_HISTORY_SIZE) {
-                    end = 0;
-                }
-
-                // If the end index has looped back to the start index then we have filled
-                // the historical trace up to the desired size so we drop the historical
-                // data at the start of the trace.
-                if (end == start) {
-                    start += 1;
-                    if (start > AVERAGING_HISTORY_SIZE) {
-                        start = 0;
-                    }
-                }
-
-                // Add the raw data to the historical trace.
-                averagingTouchFilter.historyStart[id] = start;
-                averagingTouchFilter.historyEnd[id] = end;
-                averagingTouchFilter.historyData[end].pointers[id].x = x;
-                averagingTouchFilter.historyData[end].pointers[id].y = y;
-                averagingTouchFilter.historyData[end].pointers[id].pressure = pressure;
-
-                // Average over all historical positions in the trace by total pressure.
-                int32_t averagedX = 0;
-                int32_t averagedY = 0;
-                int32_t totalPressure = 0;
-                for (;;) {
-                    int32_t historicalX = averagingTouchFilter.historyData[start].pointers[id].x;
-                    int32_t historicalY = averagingTouchFilter.historyData[start].pointers[id].y;
-                    int32_t historicalPressure = averagingTouchFilter.historyData[start]
-                            .pointers[id].pressure;
-
-                    averagedX += historicalX * historicalPressure;
-                    averagedY += historicalY * historicalPressure;
-                    totalPressure += historicalPressure;
-
-                    if (start == end) {
-                        break;
-                    }
-
-                    start += 1;
-                    if (start > AVERAGING_HISTORY_SIZE) {
-                        start = 0;
-                    }
-                }
-
-                averagedX /= totalPressure;
-                averagedY /= totalPressure;
-
-#if DEBUG_HACKS
-                LOGD("AveragingTouchFilter: Pointer id %d - "
-                        "totalPressure=%d, averagedX=%d, averagedY=%d", id, totalPressure,
-                        averagedX, averagedY);
-#endif
-
-                currentTouch.pointers[currentIndex].x = averagedX;
-                currentTouch.pointers[currentIndex].y = averagedY;
-            } else {
-#if DEBUG_HACKS
-                LOGD("AveragingTouchFilter: Pointer id %d - Exceeded max distance", id);
-#endif
-            }
-        } else {
-#if DEBUG_HACKS
-            LOGD("AveragingTouchFilter: Pointer id %d - Pointer went up", id);
-#endif
-        }
-
-        // Reset pointer history.
-        averagingTouchFilter.historyStart[id] = 0;
-        averagingTouchFilter.historyEnd[id] = 0;
-        averagingTouchFilter.historyData[0].pointers[id].x = x;
-        averagingTouchFilter.historyData[0].pointers[id].y = y;
-        averagingTouchFilter.historyData[0].pointers[id].pressure = pressure;
-    }
-}
-
-bool InputDevice::TouchScreenState::isPointInsideDisplay(int32_t x, int32_t y) const {
-    if (! parameters.xAxis.valid || ! parameters.yAxis.valid) {
-        // Assume all points on a touch screen without valid axis parameters are
-        // inside the display.
-        return true;
-    }
-
-    return x >= parameters.xAxis.minValue
-        && x <= parameters.xAxis.maxValue
-        && y >= parameters.yAxis.minValue
-        && y <= parameters.yAxis.maxValue;
-}
-
-const InputDevice::VirtualKey* InputDevice::TouchScreenState::findVirtualKeyHit() const {
-    int32_t x = currentTouch.pointers[0].x;
-    int32_t y = currentTouch.pointers[0].y;
-    for (size_t i = 0; i < virtualKeys.size(); i++) {
-        const InputDevice::VirtualKey& virtualKey = virtualKeys[i];
-
-#if DEBUG_VIRTUAL_KEYS
-        LOGD("VirtualKeys: Hit test (%d, %d): keyCode=%d, scanCode=%d, "
-                "left=%d, top=%d, right=%d, bottom=%d",
-                x, y,
-                virtualKey.keyCode, virtualKey.scanCode,
-                virtualKey.hitLeft, virtualKey.hitTop,
-                virtualKey.hitRight, virtualKey.hitBottom);
-#endif
-
-        if (virtualKey.isHit(x, y)) {
-            return & virtualKey;
-        }
-    }
-
-    return NULL;
-}
-
-
-// --- InputDevice::SingleTouchScreenState ---
-
-void InputDevice::SingleTouchScreenState::reset() {
-    accumulator.clear();
-    current.down = false;
-    current.x = 0;
-    current.y = 0;
-    current.pressure = 0;
-    current.size = 0;
-}
-
-
-// --- InputDevice::MultiTouchScreenState ---
-
-void InputDevice::MultiTouchScreenState::reset() {
-    accumulator.clear();
-}
-
-
 // --- InputReader ---
 
 InputReader::InputReader(const sp<EventHubInterface>& eventHub,
@@ -927,32 +253,30 @@ void InputReader::handleKey(const RawEvent* rawEvent) {
     bool down = rawEvent->value != 0;
     int32_t scanCode = rawEvent->scanCode;
 
-    if (device->isKeyboard() && (scanCode < BTN_FIRST || scanCode > BTN_LAST)) {
-        int32_t keyCode = rawEvent->keyCode;
-        onKey(rawEvent->when, device, down, keyCode, scanCode, rawEvent->flags);
-    } else if (device->isSingleTouchScreen()) {
+    if (device->isSingleTouchScreen()) {
         switch (rawEvent->scanCode) {
         case BTN_TOUCH:
             device->singleTouchScreen.accumulator.fields |=
                     InputDevice::SingleTouchScreenState::Accumulator::FIELD_BTN_TOUCH;
             device->singleTouchScreen.accumulator.btnTouch = down;
-            break;
+            return;
         }
-    } else if (device->isTrackball()) {
+    }
+
+    if (device->isTrackball()) {
         switch (rawEvent->scanCode) {
         case BTN_MOUSE:
             device->trackball.accumulator.fields |=
                     InputDevice::TrackballState::Accumulator::FIELD_BTN_MOUSE;
             device->trackball.accumulator.btnMouse = down;
-
-            // send the down immediately
-            // XXX this emulates the old behavior of KeyInputQueue, unclear whether it is
-            //     necessary or if we can wait until the next sync
-            onTrackballStateChanged(rawEvent->when, device);
-            device->trackball.accumulator.clear();
-            break;
+            return;
         }
     }
+
+    if (device->isKeyboard()) {
+        int32_t keyCode = rawEvent->keyCode;
+        onKey(rawEvent->when, device, down, keyCode, scanCode, rawEvent->flags);
+    }
 }
 
 void InputReader::handleRelativeMotion(const RawEvent* rawEvent) {
diff --git a/libs/ui/tests/InputPublisherAndConsumer_test.cpp b/libs/ui/tests/InputPublisherAndConsumer_test.cpp
index 2d6b531..55504f2 100644
--- a/libs/ui/tests/InputPublisherAndConsumer_test.cpp
+++ b/libs/ui/tests/InputPublisherAndConsumer_test.cpp
@@ -76,7 +76,7 @@ void InputPublisherAndConsumerTest::PublishAndConsumeKeyEvent() {
     const int32_t nature = INPUT_EVENT_NATURE_KEY;
     const int32_t action = KEY_EVENT_ACTION_DOWN;
     const int32_t flags = KEY_EVENT_FLAG_FROM_SYSTEM;
-    const int32_t keyCode = KEYCODE_ENTER;
+    const int32_t keyCode = AKEYCODE_ENTER;
     const int32_t scanCode = 13;
     const int32_t metaState = META_ALT_LEFT_ON | META_ALT_ON;
     const int32_t repeatCount = 1;
diff --git a/libs/utils/Android.mk b/libs/utils/Android.mk
index 2bb42ab..8bd5823 100644
--- a/libs/utils/Android.mk
+++ b/libs/utils/Android.mk
@@ -122,3 +122,13 @@ LOCAL_SRC_FILES := $(commonSources) BackupData.cpp BackupHelpers.cpp
 include $(BUILD_STATIC_LIBRARY)
 endif
 endif
+
+
+# Include subdirectory makefiles
+# ============================================================
+
+# If we're building with ONE_SHOT_MAKEFILE (mm, mmm), then what the framework
+# team really wants is to build the stuff defined by this makefile.
+ifeq (,$(ONE_SHOT_MAKEFILE))
+include $(call first-makefiles-under,$(LOCAL_PATH))
+endif
\ No newline at end of file
diff --git a/native/include/android/input.h b/native/include/android/input.h
index 014b6a3..25dd68e 100644
--- a/native/include/android/input.h
+++ b/native/include/android/input.h
@@ -68,7 +68,10 @@ enum {
     INPUT_DEVICE_CLASS_TOUCHSCREEN_MT= 0x00000010,
 
     /* The input device is a directional pad. */
-    INPUT_DEVICE_CLASS_DPAD          = 0x00000020
+    INPUT_DEVICE_CLASS_DPAD          = 0x00000020,
+
+    /* The input device is a gamepad (implies keyboard). */
+    INPUT_DEVICE_CLASS_GAMEPAD       = 0x00000040
 };
 
 /*
diff --git a/native/include/android/keycodes.h b/native/include/android/keycodes.h
index 36855c5..496eccc 100644
--- a/native/include/android/keycodes.h
+++ b/native/include/android/keycodes.h
@@ -41,114 +41,122 @@ extern "C" {
 
 /*
  * Key codes.
- *
- * XXX: The declarations in <ui/KeycodeLabel.h> should be updated to use these instead.
- *      We should probably move this into android/keycodes.h and add some new API for
- *      getting labels so that we can remove the other tables also in KeycodeLabel.h.
  */
 enum {
-    KEYCODE_UNKNOWN         = 0,
-    KEYCODE_SOFT_LEFT       = 1,
-    KEYCODE_SOFT_RIGHT      = 2,
-    KEYCODE_HOME            = 3,
-    KEYCODE_BACK            = 4,
-    KEYCODE_CALL            = 5,
-    KEYCODE_ENDCALL         = 6,
-    KEYCODE_0               = 7,
-    KEYCODE_1               = 8,
-    KEYCODE_2               = 9,
-    KEYCODE_3               = 10,
-    KEYCODE_4               = 11,
-    KEYCODE_5               = 12,
-    KEYCODE_6               = 13,
-    KEYCODE_7               = 14,
-    KEYCODE_8               = 15,
-    KEYCODE_9               = 16,
-    KEYCODE_STAR            = 17,
-    KEYCODE_POUND           = 18,
-    KEYCODE_DPAD_UP         = 19,
-    KEYCODE_DPAD_DOWN       = 20,
-    KEYCODE_DPAD_LEFT       = 21,
-    KEYCODE_DPAD_RIGHT      = 22,
-    KEYCODE_DPAD_CENTER     = 23,
-    KEYCODE_VOLUME_UP       = 24,
-    KEYCODE_VOLUME_DOWN     = 25,
-    KEYCODE_POWER           = 26,
-    KEYCODE_CAMERA          = 27,
-    KEYCODE_CLEAR           = 28,
-    KEYCODE_A               = 29,
-    KEYCODE_B               = 30,
-    KEYCODE_C               = 31,
-    KEYCODE_D               = 32,
-    KEYCODE_E               = 33,
-    KEYCODE_F               = 34,
-    KEYCODE_G               = 35,
-    KEYCODE_H               = 36,
-    KEYCODE_I               = 37,
-    KEYCODE_J               = 38,
-    KEYCODE_K               = 39,
-    KEYCODE_L               = 40,
-    KEYCODE_M               = 41,
-    KEYCODE_N               = 42,
-    KEYCODE_O               = 43,
-    KEYCODE_P               = 44,
-    KEYCODE_Q               = 45,
-    KEYCODE_R               = 46,
-    KEYCODE_S               = 47,
-    KEYCODE_T               = 48,
-    KEYCODE_U               = 49,
-    KEYCODE_V               = 50,
-    KEYCODE_W               = 51,
-    KEYCODE_X               = 52,
-    KEYCODE_Y               = 53,
-    KEYCODE_Z               = 54,
-    KEYCODE_COMMA           = 55,
-    KEYCODE_PERIOD          = 56,
-    KEYCODE_ALT_LEFT        = 57,
-    KEYCODE_ALT_RIGHT       = 58,
-    KEYCODE_SHIFT_LEFT      = 59,
-    KEYCODE_SHIFT_RIGHT     = 60,
-    KEYCODE_TAB             = 61,
-    KEYCODE_SPACE           = 62,
-    KEYCODE_SYM             = 63,
-    KEYCODE_EXPLORER        = 64,
-    KEYCODE_ENVELOPE        = 65,
-    KEYCODE_ENTER           = 66,
-    KEYCODE_DEL             = 67,
-    KEYCODE_GRAVE           = 68,
-    KEYCODE_MINUS           = 69,
-    KEYCODE_EQUALS          = 70,
-    KEYCODE_LEFT_BRACKET    = 71,
-    KEYCODE_RIGHT_BRACKET   = 72,
-    KEYCODE_BACKSLASH       = 73,
-    KEYCODE_SEMICOLON       = 74,
-    KEYCODE_APOSTROPHE      = 75,
-    KEYCODE_SLASH           = 76,
-    KEYCODE_AT              = 77,
-    KEYCODE_NUM             = 78,
-    KEYCODE_HEADSETHOOK     = 79,
-    KEYCODE_FOCUS           = 80,   // *Camera* focus
-    KEYCODE_PLUS            = 81,
-    KEYCODE_MENU            = 82,
-    KEYCODE_NOTIFICATION    = 83,
-    KEYCODE_SEARCH          = 84,
-    KEYCODE_MEDIA_PLAY_PAUSE= 85,
-    KEYCODE_MEDIA_STOP      = 86,
-    KEYCODE_MEDIA_NEXT      = 87,
-    KEYCODE_MEDIA_PREVIOUS  = 88,
-    KEYCODE_MEDIA_REWIND    = 89,
-    KEYCODE_MEDIA_FAST_FORWARD = 90,
-    KEYCODE_MUTE            = 91,
-    KEYCODE_PAGE_UP         = 92,
-    KEYCODE_PAGE_DOWN       = 93
+    AKEYCODE_UNKNOWN         = 0,
+    AKEYCODE_SOFT_LEFT       = 1,
+    AKEYCODE_SOFT_RIGHT      = 2,
+    AKEYCODE_HOME            = 3,
+    AKEYCODE_BACK            = 4,
+    AKEYCODE_CALL            = 5,
+    AKEYCODE_ENDCALL         = 6,
+    AKEYCODE_0               = 7,
+    AKEYCODE_1               = 8,
+    AKEYCODE_2               = 9,
+    AKEYCODE_3               = 10,
+    AKEYCODE_4               = 11,
+    AKEYCODE_5               = 12,
+    AKEYCODE_6               = 13,
+    AKEYCODE_7               = 14,
+    AKEYCODE_8               = 15,
+    AKEYCODE_9               = 16,
+    AKEYCODE_STAR            = 17,
+    AKEYCODE_POUND           = 18,
+    AKEYCODE_DPAD_UP         = 19,
+    AKEYCODE_DPAD_DOWN       = 20,
+    AKEYCODE_DPAD_LEFT       = 21,
+    AKEYCODE_DPAD_RIGHT      = 22,
+    AKEYCODE_DPAD_CENTER     = 23,
+    AKEYCODE_VOLUME_UP       = 24,
+    AKEYCODE_VOLUME_DOWN     = 25,
+    AKEYCODE_POWER           = 26,
+    AKEYCODE_CAMERA          = 27,
+    AKEYCODE_CLEAR           = 28,
+    AKEYCODE_A               = 29,
+    AKEYCODE_B               = 30,
+    AKEYCODE_C               = 31,
+    AKEYCODE_D               = 32,
+    AKEYCODE_E               = 33,
+    AKEYCODE_F               = 34,
+    AKEYCODE_G               = 35,
+    AKEYCODE_H               = 36,
+    AKEYCODE_I               = 37,
+    AKEYCODE_J               = 38,
+    AKEYCODE_K               = 39,
+    AKEYCODE_L               = 40,
+    AKEYCODE_M               = 41,
+    AKEYCODE_N               = 42,
+    AKEYCODE_O               = 43,
+    AKEYCODE_P               = 44,
+    AKEYCODE_Q               = 45,
+    AKEYCODE_R               = 46,
+    AKEYCODE_S               = 47,
+    AKEYCODE_T               = 48,
+    AKEYCODE_U               = 49,
+    AKEYCODE_V               = 50,
+    AKEYCODE_W               = 51,
+    AKEYCODE_X               = 52,
+    AKEYCODE_Y               = 53,
+    AKEYCODE_Z               = 54,
+    AKEYCODE_COMMA           = 55,
+    AKEYCODE_PERIOD          = 56,
+    AKEYCODE_ALT_LEFT        = 57,
+    AKEYCODE_ALT_RIGHT       = 58,
+    AKEYCODE_SHIFT_LEFT      = 59,
+    AKEYCODE_SHIFT_RIGHT     = 60,
+    AKEYCODE_TAB             = 61,
+    AKEYCODE_SPACE           = 62,
+    AKEYCODE_SYM             = 63,
+    AKEYCODE_EXPLORER        = 64,
+    AKEYCODE_ENVELOPE        = 65,
+    AKEYCODE_ENTER           = 66,
+    AKEYCODE_DEL             = 67,
+    AKEYCODE_GRAVE           = 68,
+    AKEYCODE_MINUS           = 69,
+    AKEYCODE_EQUALS          = 70,
+    AKEYCODE_LEFT_BRACKET    = 71,
+    AKEYCODE_RIGHT_BRACKET   = 72,
+    AKEYCODE_BACKSLASH       = 73,
+    AKEYCODE_SEMICOLON       = 74,
+    AKEYCODE_APOSTROPHE      = 75,
+    AKEYCODE_SLASH           = 76,
+    AKEYCODE_AT              = 77,
+    AKEYCODE_NUM             = 78,
+    AKEYCODE_HEADSETHOOK     = 79,
+    AKEYCODE_FOCUS           = 80,   // *Camera* focus
+    AKEYCODE_PLUS            = 81,
+    AKEYCODE_MENU            = 82,
+    AKEYCODE_NOTIFICATION    = 83,
+    AKEYCODE_SEARCH          = 84,
+    AKEYCODE_MEDIA_PLAY_PAUSE= 85,
+    AKEYCODE_MEDIA_STOP      = 86,
+    AKEYCODE_MEDIA_NEXT      = 87,
+    AKEYCODE_MEDIA_PREVIOUS  = 88,
+    AKEYCODE_MEDIA_REWIND    = 89,
+    AKEYCODE_MEDIA_FAST_FORWARD = 90,
+    AKEYCODE_MUTE            = 91,
+    AKEYCODE_PAGE_UP         = 92,
+    AKEYCODE_PAGE_DOWN       = 93,
+    AKEYCODE_PICTSYMBOLS     = 94,
+    AKEYCODE_SWITCH_CHARSET  = 95,
+    AKEYCODE_BUTTON_A        = 96,
+    AKEYCODE_BUTTON_B        = 97,
+    AKEYCODE_BUTTON_C        = 98,
+    AKEYCODE_BUTTON_X        = 99,
+    AKEYCODE_BUTTON_Y        = 100,
+    AKEYCODE_BUTTON_Z        = 101,
+    AKEYCODE_BUTTON_L1       = 102,
+    AKEYCODE_BUTTON_R1       = 103,
+    AKEYCODE_BUTTON_L2       = 104,
+    AKEYCODE_BUTTON_R2       = 105,
+    AKEYCODE_BUTTON_THUMBL   = 106,
+    AKEYCODE_BUTTON_THUMBR   = 107,
+    AKEYCODE_BUTTON_START    = 108,
+    AKEYCODE_BUTTON_SELECT   = 109,
+    AKEYCODE_BUTTON_MODE     = 110,
 
-    /* NOTE: If you add a new keycode here you must also add it to:
-     *  native/include/android/keycodes.h
-     *  frameworks/base/include/ui/KeycodeLabels.h
-     *   frameworks/base/core/java/android/view/KeyEvent.java
-     *   tools/puppet_master/PuppetMaster.nav_keys.py
-     *   frameworks/base/core/res/res/values/attrs.xml
-     */
+    // NOTE: If you add a new keycode here you must also add it to several other files.
+    //       Refer to frameworks/base/core/java/android/view/KeyEvent.java for the full list.
 };
 
 #ifdef __cplusplus
diff --git a/services/jni/com_android_server_InputManager.cpp b/services/jni/com_android_server_InputManager.cpp
index fc901f4..26e105a 100644
--- a/services/jni/com_android_server_InputManager.cpp
+++ b/services/jni/com_android_server_InputManager.cpp
@@ -405,28 +405,28 @@ NativeInputManager::~NativeInputManager() {
 }
 
 bool NativeInputManager::isAppSwitchKey(int32_t keyCode) {
-    return keyCode == KEYCODE_HOME || keyCode == KEYCODE_ENDCALL;
+    return keyCode == AKEYCODE_HOME || keyCode == AKEYCODE_ENDCALL;
 }
 
 bool NativeInputManager::isPolicyKey(int32_t keyCode, bool isScreenOn) {
     // Special keys that the WindowManagerPolicy might care about.
     switch (keyCode) {
-    case KEYCODE_VOLUME_UP:
-    case KEYCODE_VOLUME_DOWN:
-    case KEYCODE_ENDCALL:
-    case KEYCODE_POWER:
-    case KEYCODE_CALL:
-    case KEYCODE_HOME:
-    case KEYCODE_MENU:
-    case KEYCODE_SEARCH:
+    case AKEYCODE_VOLUME_UP:
+    case AKEYCODE_VOLUME_DOWN:
+    case AKEYCODE_ENDCALL:
+    case AKEYCODE_POWER:
+    case AKEYCODE_CALL:
+    case AKEYCODE_HOME:
+    case AKEYCODE_MENU:
+    case AKEYCODE_SEARCH:
         // media keys
-    case KEYCODE_HEADSETHOOK:
-    case KEYCODE_MEDIA_PLAY_PAUSE:
-    case KEYCODE_MEDIA_STOP:
-    case KEYCODE_MEDIA_NEXT:
-    case KEYCODE_MEDIA_PREVIOUS:
-    case KEYCODE_MEDIA_REWIND:
-    case KEYCODE_MEDIA_FAST_FORWARD:
+    case AKEYCODE_HEADSETHOOK:
+    case AKEYCODE_MEDIA_PLAY_PAUSE:
+    case AKEYCODE_MEDIA_STOP:
+    case AKEYCODE_MEDIA_NEXT:
+    case AKEYCODE_MEDIA_PREVIOUS:
+    case AKEYCODE_MEDIA_REWIND:
+    case AKEYCODE_MEDIA_FAST_FORWARD:
         return true;
     default:
         // We need to pass all keys to the policy in the following cases: