Remove Gonk build directories

1 files changed, 0 insertions, 1811 deletions

diff --git a/widget/gonk/libui/InputReader.h b/widget/gonk/libui/InputReader.h
deleted file mode 100644
index 5c790fdb8..000000000
--- a/widget/gonk/libui/InputReader.h
+++ /dev/null
@@ -1,1811 +0,0 @@
-/*
- * 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_READER_H
-#define _UI_INPUT_READER_H
-
-#include "EventHub.h"
-#include "PointerController.h"
-#include "InputListener.h"
-
-#include "Input.h"
-#include "VelocityControl.h"
-#include "VelocityTracker.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 supported size of a vibration pattern.
-// Must be at least 2.
-#define MAX_VIBRATE_PATTERN_SIZE 100
-
-// Maximum allowable delay value in a vibration pattern before
-// which the delay will be truncated.
-#define MAX_VIBRATE_PATTERN_DELAY_NSECS (1000000 * 1000000000LL)
-
-namespace android {
-
-class InputDevice;
-class InputMapper;
-
-/*
- * Describes how coordinates are mapped on a physical display.
- * See com.android.server.display.DisplayViewport.
- */
-struct DisplayViewport {
-    int32_t displayId; // -1 if invalid
-    int32_t orientation;
-    int32_t logicalLeft;
-    int32_t logicalTop;
-    int32_t logicalRight;
-    int32_t logicalBottom;
-    int32_t physicalLeft;
-    int32_t physicalTop;
-    int32_t physicalRight;
-    int32_t physicalBottom;
-    int32_t deviceWidth;
-    int32_t deviceHeight;
-
-    DisplayViewport() :
-            displayId(ADISPLAY_ID_NONE), orientation(DISPLAY_ORIENTATION_0),
-            logicalLeft(0), logicalTop(0), logicalRight(0), logicalBottom(0),
-            physicalLeft(0), physicalTop(0), physicalRight(0), physicalBottom(0),
-            deviceWidth(0), deviceHeight(0) {
-    }
-
-    bool operator==(const DisplayViewport& other) const {
-        return displayId == other.displayId
-                && orientation == other.orientation
-                && logicalLeft == other.logicalLeft
-                && logicalTop == other.logicalTop
-                && logicalRight == other.logicalRight
-                && logicalBottom == other.logicalBottom
-                && physicalLeft == other.physicalLeft
-                && physicalTop == other.physicalTop
-                && physicalRight == other.physicalRight
-                && physicalBottom == other.physicalBottom
-                && deviceWidth == other.deviceWidth
-                && deviceHeight == other.deviceHeight;
-    }
-
-    bool operator!=(const DisplayViewport& other) const {
-        return !(*this == other);
-    }
-
-    inline bool isValid() const {
-        return displayId >= 0;
-    }
-
-    void setNonDisplayViewport(int32_t width, int32_t height) {
-        displayId = ADISPLAY_ID_NONE;
-        orientation = DISPLAY_ORIENTATION_0;
-        logicalLeft = 0;
-        logicalTop = 0;
-        logicalRight = width;
-        logicalBottom = height;
-        physicalLeft = 0;
-        physicalTop = 0;
-        physicalRight = width;
-        physicalBottom = height;
-        deviceWidth = width;
-        deviceHeight = height;
-    }
-};
-
-/*
- * Input reader configuration.
- *
- * Specifies various options that modify the behavior of the input reader.
- */
-struct InputReaderConfiguration {
-    // Describes changes that have occurred.
-    enum {
-        // The pointer speed changed.
-        CHANGE_POINTER_SPEED = 1 << 0,
-
-        // The pointer gesture control changed.
-        CHANGE_POINTER_GESTURE_ENABLEMENT = 1 << 1,
-
-        // The display size or orientation changed.
-        CHANGE_DISPLAY_INFO = 1 << 2,
-
-        // The visible touches option changed.
-        CHANGE_SHOW_TOUCHES = 1 << 3,
-
-        // The keyboard layouts must be reloaded.
-        CHANGE_KEYBOARD_LAYOUTS = 1 << 4,
-
-        // The device name alias supplied by the may have changed for some devices.
-        CHANGE_DEVICE_ALIAS = 1 << 5,
-
-        // All devices must be reopened.
-        CHANGE_MUST_REOPEN = 1 << 31,
-    };
-
-    // Gets the amount of time to disable virtual keys after the screen is touched
-    // in order to filter out accidental virtual key presses due to swiping gestures
-    // or taps near the edge of the display.  May be 0 to disable the feature.
-    nsecs_t virtualKeyQuietTime;
-
-    // The excluded device names for the platform.
-    // Devices with these names will be ignored.
-    Vector<String8> excludedDeviceNames;
-
-    // Velocity control parameters for mouse pointer movements.
-    VelocityControlParameters pointerVelocityControlParameters;
-
-    // Velocity control parameters for mouse wheel movements.
-    VelocityControlParameters wheelVelocityControlParameters;
-
-    // True if pointer gestures are enabled.
-    bool pointerGesturesEnabled;
-
-    // Quiet time between certain pointer gesture transitions.
-    // Time to allow for all fingers or buttons to settle into a stable state before
-    // starting a new gesture.
-    nsecs_t pointerGestureQuietInterval;
-
-    // The minimum speed that a pointer must travel for us to consider switching the active
-    // touch pointer to it during a drag.  This threshold is set to avoid switching due
-    // to noise from a finger resting on the touch pad (perhaps just pressing it down).
-    float pointerGestureDragMinSwitchSpeed; // in pixels per second
-
-    // Tap gesture delay time.
-    // The time between down and up must be less than this to be considered a tap.
-    nsecs_t pointerGestureTapInterval;
-
-    // Tap drag gesture delay time.
-    // The time between the previous tap's up and the next down must be less than
-    // this to be considered a drag.  Otherwise, the previous tap is finished and a
-    // new tap begins.
-    //
-    // Note that the previous tap will be held down for this entire duration so this
-    // interval must be shorter than the long press timeout.
-    nsecs_t pointerGestureTapDragInterval;
-
-    // The distance in pixels that the pointer is allowed to move from initial down
-    // to up and still be called a tap.
-    float pointerGestureTapSlop; // in pixels
-
-    // Time after the first touch points go down to settle on an initial centroid.
-    // This is intended to be enough time to handle cases where the user puts down two
-    // fingers at almost but not quite exactly the same time.
-    nsecs_t pointerGestureMultitouchSettleInterval;
-
-    // The transition from PRESS to SWIPE or FREEFORM gesture mode is made when
-    // at least two pointers have moved at least this far from their starting place.
-    float pointerGestureMultitouchMinDistance; // in pixels
-
-    // The transition from PRESS to SWIPE gesture mode can only occur when the
-    // cosine of the angle between the two vectors is greater than or equal to than this value
-    // which indicates that the vectors are oriented in the same direction.
-    // When the vectors are oriented in the exactly same direction, the cosine is 1.0.
-    // (In exactly opposite directions, the cosine is -1.0.)
-    float pointerGestureSwipeTransitionAngleCosine;
-
-    // The transition from PRESS to SWIPE gesture mode can only occur when the
-    // fingers are no more than this far apart relative to the diagonal size of
-    // the touch pad.  For example, a ratio of 0.5 means that the fingers must be
-    // no more than half the diagonal size of the touch pad apart.
-    float pointerGestureSwipeMaxWidthRatio;
-
-    // The gesture movement speed factor relative to the size of the display.
-    // Movement speed applies when the fingers are moving in the same direction.
-    // Without acceleration, a full swipe of the touch pad diagonal in movement mode
-    // will cover this portion of the display diagonal.
-    float pointerGestureMovementSpeedRatio;
-
-    // The gesture zoom speed factor relative to the size of the display.
-    // Zoom speed applies when the fingers are mostly moving relative to each other
-    // to execute a scale gesture or similar.
-    // Without acceleration, a full swipe of the touch pad diagonal in zoom mode
-    // will cover this portion of the display diagonal.
-    float pointerGestureZoomSpeedRatio;
-
-    // True to show the location of touches on the touch screen as spots.
-    bool showTouches;
-
-    InputReaderConfiguration() :
-            virtualKeyQuietTime(0),
-            pointerVelocityControlParameters(1.0f, 500.0f, 3000.0f, 3.0f),
-            wheelVelocityControlParameters(1.0f, 15.0f, 50.0f, 4.0f),
-            pointerGesturesEnabled(true),
-            pointerGestureQuietInterval(100 * 1000000LL), // 100 ms
-            pointerGestureDragMinSwitchSpeed(50), // 50 pixels per second
-            pointerGestureTapInterval(150 * 1000000LL), // 150 ms
-            pointerGestureTapDragInterval(150 * 1000000LL), // 150 ms
-            pointerGestureTapSlop(10.0f), // 10 pixels
-            pointerGestureMultitouchSettleInterval(100 * 1000000LL), // 100 ms
-            pointerGestureMultitouchMinDistance(15), // 15 pixels
-            pointerGestureSwipeTransitionAngleCosine(0.2588f), // cosine of 75 degrees
-            pointerGestureSwipeMaxWidthRatio(0.25f),
-            pointerGestureMovementSpeedRatio(0.8f),
-            pointerGestureZoomSpeedRatio(0.3f),
-            showTouches(false) { }
-
-    bool getDisplayInfo(bool external, DisplayViewport* outViewport) const;
-    void setDisplayInfo(bool external, const DisplayViewport& viewport);
-
-private:
-    DisplayViewport mInternalDisplay;
-    DisplayViewport mExternalDisplay;
-};
-
-
-/*
- * Input reader policy interface.
- *
- * The input reader policy is used by the input reader to interact with the Window Manager
- * and other system components.
- *
- * The actual implementation is partially supported by callbacks into the DVM
- * via JNI.  This interface is also mocked in the unit tests.
- *
- * These methods must NOT re-enter the input reader since they may be called while
- * holding the input reader lock.
- */
-class InputReaderPolicyInterface : public virtual RefBase {
-protected:
-    InputReaderPolicyInterface() { }
-    virtual ~InputReaderPolicyInterface() { }
-
-public:
-    /* Gets the input reader configuration. */
-    virtual void getReaderConfiguration(InputReaderConfiguration* outConfig) = 0;
-
-    /* Gets a pointer controller associated with the specified cursor device (ie. a mouse). */
-    virtual sp<PointerControllerInterface> obtainPointerController(int32_t deviceId) = 0;
-
-    /* Notifies the input reader policy that some input devices have changed
-     * and provides information about all current input devices.
-     */
-    virtual void notifyInputDevicesChanged(const Vector<InputDeviceInfo>& inputDevices) = 0;
-
-    /* Gets the keyboard layout for a particular input device. */
-    virtual sp<KeyCharacterMap> getKeyboardLayoutOverlay(const String8& inputDeviceDescriptor) = 0;
-
-    /* Gets a user-supplied alias for a particular input device, or an empty string if none. */
-    virtual String8 getDeviceAlias(const InputDeviceIdentifier& identifier) = 0;
-};
-
-
-/* Processes raw input events and sends cooked event data to an input listener. */
-class InputReaderInterface : public virtual RefBase {
-protected:
-    InputReaderInterface() { }
-    virtual ~InputReaderInterface() { }
-
-public:
-    /* Dumps the state of the input reader.
-     *
-     * This method may be called on any thread (usually by the input manager). */
-    virtual void dump(String8& dump) = 0;
-
-    /* Called by the heatbeat to ensures that the reader has not deadlocked. */
-    virtual void monitor() = 0;
-
-    /* Runs a single iteration of the processing loop.
-     * Nominally reads and processes one incoming message from the EventHub.
-     *
-     * This method should be called on the input reader thread.
-     */
-    virtual void loopOnce() = 0;
-
-    /* Gets information about all input devices.
-     *
-     * This method may be called on any thread (usually by the input manager).
-     */
-    virtual void getInputDevices(Vector<InputDeviceInfo>& outInputDevices) = 0;
-
-    /* Query current input state. */
-    virtual int32_t getScanCodeState(int32_t deviceId, uint32_t sourceMask,
-            int32_t scanCode) = 0;
-    virtual int32_t getKeyCodeState(int32_t deviceId, uint32_t sourceMask,
-            int32_t keyCode) = 0;
-    virtual int32_t getSwitchState(int32_t deviceId, uint32_t sourceMask,
-            int32_t sw) = 0;
-
-    /* Determine whether physical keys exist for the given framework-domain key codes. */
-    virtual bool hasKeys(int32_t deviceId, uint32_t sourceMask,
-            size_t numCodes, const int32_t* keyCodes, uint8_t* outFlags) = 0;
-
-    /* Requests that a reconfiguration of all input devices.
-     * The changes flag is a bitfield that indicates what has changed and whether
-     * the input devices must all be reopened. */
-    virtual void requestRefreshConfiguration(uint32_t changes) = 0;
-
-    /* Controls the vibrator of a particular input device. */
-    virtual void vibrate(int32_t deviceId, const nsecs_t* pattern, size_t patternSize,
-            ssize_t repeat, int32_t token) = 0;
-    virtual void cancelVibrate(int32_t deviceId, int32_t token) = 0;
-};
-
-
-/* Internal interface used by individual input devices to access global input device state
- * and parameters maintained by the input reader.
- */
-class InputReaderContext {
-public:
-    InputReaderContext() { }
-    virtual ~InputReaderContext() { }
-
-    virtual void updateGlobalMetaState() = 0;
-    virtual int32_t getGlobalMetaState() = 0;
-
-    virtual void disableVirtualKeysUntil(nsecs_t time) = 0;
-    virtual bool shouldDropVirtualKey(nsecs_t now,
-            InputDevice* device, int32_t keyCode, int32_t scanCode) = 0;
-
-    virtual void fadePointer() = 0;
-
-    virtual void requestTimeoutAtTime(nsecs_t when) = 0;
-    virtual int32_t bumpGeneration() = 0;
-
-    virtual InputReaderPolicyInterface* getPolicy() = 0;
-    virtual InputListenerInterface* getListener() = 0;
-    virtual EventHubInterface* getEventHub() = 0;
-};
-
-
-/* The input reader reads raw event data from the event hub and processes it into input events
- * that it sends to the input listener.  Some functions of the input reader, such as early
- * event filtering in low power states, are controlled by a separate policy object.
- *
- * The InputReader owns a collection of InputMappers.  Most of the work it does happens
- * on the input reader thread but the InputReader can receive queries from other system
- * components running on arbitrary threads.  To keep things manageable, the InputReader
- * uses a single Mutex to guard its state.  The Mutex may be held while calling into the
- * EventHub or the InputReaderPolicy but it is never held while calling into the
- * InputListener.
- */
-class InputReader : public InputReaderInterface {
-public:
-    InputReader(const sp<EventHubInterface>& eventHub,
-            const sp<InputReaderPolicyInterface>& policy,
-            const sp<InputListenerInterface>& listener);
-    virtual ~InputReader();
-
-    virtual void dump(String8& dump);
-    virtual void monitor();
-
-    virtual void loopOnce();
-
-    virtual void getInputDevices(Vector<InputDeviceInfo>& outInputDevices);
-
-    virtual int32_t getScanCodeState(int32_t deviceId, uint32_t sourceMask,
-            int32_t scanCode);
-    virtual int32_t getKeyCodeState(int32_t deviceId, uint32_t sourceMask,
-            int32_t keyCode);
-    virtual int32_t getSwitchState(int32_t deviceId, uint32_t sourceMask,
-            int32_t sw);
-
-    virtual bool hasKeys(int32_t deviceId, uint32_t sourceMask,
-            size_t numCodes, const int32_t* keyCodes, uint8_t* outFlags);
-
-    virtual void requestRefreshConfiguration(uint32_t changes);
-
-    virtual void vibrate(int32_t deviceId, const nsecs_t* pattern, size_t patternSize,
-            ssize_t repeat, int32_t token);
-    virtual void cancelVibrate(int32_t deviceId, int32_t token);
-
-protected:
-    // These members are protected so they can be instrumented by test cases.
-    virtual InputDevice* createDeviceLocked(int32_t deviceId,
-            const InputDeviceIdentifier& identifier, uint32_t classes);
-
-    class ContextImpl : public InputReaderContext {
-        InputReader* mReader;
-
-    public:
-        ContextImpl(InputReader* reader);
-
-        virtual void updateGlobalMetaState();
-        virtual int32_t getGlobalMetaState();
-        virtual void disableVirtualKeysUntil(nsecs_t time);
-        virtual bool shouldDropVirtualKey(nsecs_t now,
-                InputDevice* device, int32_t keyCode, int32_t scanCode);
-        virtual void fadePointer();
-        virtual void requestTimeoutAtTime(nsecs_t when);
-        virtual int32_t bumpGeneration();
-        virtual InputReaderPolicyInterface* getPolicy();
-        virtual InputListenerInterface* getListener();
-        virtual EventHubInterface* getEventHub();
-    } mContext;
-
-    friend class ContextImpl;
-
-private:
-    Mutex mLock;
-
-    Condition mReaderIsAliveCondition;
-
-    sp<EventHubInterface> mEventHub;
-    sp<InputReaderPolicyInterface> mPolicy;
-    sp<QueuedInputListener> mQueuedListener;
-
-    InputReaderConfiguration mConfig;
-
-    // The event queue.
-    static const int EVENT_BUFFER_SIZE = 256;
-    RawEvent mEventBuffer[EVENT_BUFFER_SIZE];
-
-    KeyedVector<int32_t, InputDevice*> mDevices;
-
-    // low-level input event decoding and device management
-    void processEventsLocked(const RawEvent* rawEvents, size_t count);
-
-    void addDeviceLocked(nsecs_t when, int32_t deviceId);
-    void removeDeviceLocked(nsecs_t when, int32_t deviceId);
-    void processEventsForDeviceLocked(int32_t deviceId, const RawEvent* rawEvents, size_t count);
-    void timeoutExpiredLocked(nsecs_t when);
-
-    void handleConfigurationChangedLocked(nsecs_t when);
-
-    int32_t mGlobalMetaState;
-    void updateGlobalMetaStateLocked();
-    int32_t getGlobalMetaStateLocked();
-
-    void fadePointerLocked();
-
-    int32_t mGeneration;
-    int32_t bumpGenerationLocked();
-
-    void getInputDevicesLocked(Vector<InputDeviceInfo>& outInputDevices);
-
-    nsecs_t mDisableVirtualKeysTimeout;
-    void disableVirtualKeysUntilLocked(nsecs_t time);
-    bool shouldDropVirtualKeyLocked(nsecs_t now,
-            InputDevice* device, int32_t keyCode, int32_t scanCode);
-
-    nsecs_t mNextTimeout;
-    void requestTimeoutAtTimeLocked(nsecs_t when);
-
-    uint32_t mConfigurationChangesToRefresh;
-    void refreshConfigurationLocked(uint32_t changes);
-
-    // state queries
-    typedef int32_t (InputDevice::*GetStateFunc)(uint32_t sourceMask, int32_t code);
-    int32_t getStateLocked(int32_t deviceId, uint32_t sourceMask, int32_t code,
-            GetStateFunc getStateFunc);
-    bool markSupportedKeyCodesLocked(int32_t deviceId, uint32_t sourceMask, size_t numCodes,
-            const int32_t* keyCodes, uint8_t* outFlags);
-};
-
-
-/* Reads raw events from the event hub and processes them, endlessly. */
-class InputReaderThread : public Thread {
-public:
-    InputReaderThread(const sp<InputReaderInterface>& reader);
-    virtual ~InputReaderThread();
-
-private:
-    uint32_t mFoo;
-    sp<InputReaderInterface> mReader;
-
-    virtual bool threadLoop();
-};
-
-
-/* Represents the state of a single input device. */
-class InputDevice {
-public:
-    InputDevice(InputReaderContext* context, int32_t id, int32_t generation,
-            const InputDeviceIdentifier& identifier, uint32_t classes);
-    ~InputDevice();
-
-    inline InputReaderContext* getContext() { return mContext; }
-    inline int32_t getId() { return mId; }
-    inline int32_t getGeneration() { return mGeneration; }
-    inline const String8& getName() { return mIdentifier.name; }
-    inline uint32_t getClasses() { return mClasses; }
-    inline uint32_t getSources() { return mSources; }
-
-    inline bool isExternal() { return mIsExternal; }
-    inline void setExternal(bool external) { mIsExternal = external; }
-
-    inline bool isIgnored() { return mMappers.isEmpty(); }
-
-    void dump(String8& dump);
-    void addMapper(InputMapper* mapper);
-    void configure(nsecs_t when, const InputReaderConfiguration* config, uint32_t changes);
-    void reset(nsecs_t when);
-    void process(const RawEvent* rawEvents, size_t count);
-    void timeoutExpired(nsecs_t when);
-
-    void getDeviceInfo(InputDeviceInfo* outDeviceInfo);
-    int32_t getKeyCodeState(uint32_t sourceMask, int32_t keyCode);
-    int32_t getScanCodeState(uint32_t sourceMask, int32_t scanCode);
-    int32_t getSwitchState(uint32_t sourceMask, int32_t switchCode);
-    bool markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
-            const int32_t* keyCodes, uint8_t* outFlags);
-    void vibrate(const nsecs_t* pattern, size_t patternSize, ssize_t repeat, int32_t token);
-    void cancelVibrate(int32_t token);
-
-    int32_t getMetaState();
-
-    void fadePointer();
-
-    void bumpGeneration();
-
-    void notifyReset(nsecs_t when);
-
-    inline const PropertyMap& getConfiguration() { return mConfiguration; }
-    inline EventHubInterface* getEventHub() { return mContext->getEventHub(); }
-
-    bool hasKey(int32_t code) {
-        return getEventHub()->hasScanCode(mId, code);
-    }
-
-    bool hasAbsoluteAxis(int32_t code) {
-        RawAbsoluteAxisInfo info;
-        getEventHub()->getAbsoluteAxisInfo(mId, code, &info);
-        return info.valid;
-    }
-
-    bool isKeyPressed(int32_t code) {
-        return getEventHub()->getScanCodeState(mId, code) == AKEY_STATE_DOWN;
-    }
-
-    int32_t getAbsoluteAxisValue(int32_t code) {
-        int32_t value;
-        getEventHub()->getAbsoluteAxisValue(mId, code, &value);
-        return value;
-    }
-
-private:
-    InputReaderContext* mContext;
-    int32_t mId;
-    int32_t mGeneration;
-    InputDeviceIdentifier mIdentifier;
-    String8 mAlias;
-    uint32_t mClasses;
-
-    Vector<InputMapper*> mMappers;
-
-    uint32_t mSources;
-    bool mIsExternal;
-    bool mDropUntilNextSync;
-
-    typedef int32_t (InputMapper::*GetStateFunc)(uint32_t sourceMask, int32_t code);
-    int32_t getState(uint32_t sourceMask, int32_t code, GetStateFunc getStateFunc);
-
-    PropertyMap mConfiguration;
-};
-
-
-/* Keeps track of the state of mouse or touch pad buttons. */
-class CursorButtonAccumulator {
-public:
-    CursorButtonAccumulator();
-    void reset(InputDevice* device);
-
-    void process(const RawEvent* rawEvent);
-
-    uint32_t getButtonState() const;
-
-private:
-    bool mBtnLeft;
-    bool mBtnRight;
-    bool mBtnMiddle;
-    bool mBtnBack;
-    bool mBtnSide;
-    bool mBtnForward;
-    bool mBtnExtra;
-    bool mBtnTask;
-
-    void clearButtons();
-};
-
-
-/* Keeps track of cursor movements. */
-
-class CursorMotionAccumulator {
-public:
-    CursorMotionAccumulator();
-    void reset(InputDevice* device);
-
-    void process(const RawEvent* rawEvent);
-    void finishSync();
-
-    inline int32_t getRelativeX() const { return mRelX; }
-    inline int32_t getRelativeY() const { return mRelY; }
-
-private:
-    int32_t mRelX;
-    int32_t mRelY;
-
-    void clearRelativeAxes();
-};
-
-
-/* Keeps track of cursor scrolling motions. */
-
-class CursorScrollAccumulator {
-public:
-    CursorScrollAccumulator();
-    void configure(InputDevice* device);
-    void reset(InputDevice* device);
-
-    void process(const RawEvent* rawEvent);
-    void finishSync();
-
-    inline bool haveRelativeVWheel() const { return mHaveRelWheel; }
-    inline bool haveRelativeHWheel() const { return mHaveRelHWheel; }
-
-    inline int32_t getRelativeX() const { return mRelX; }
-    inline int32_t getRelativeY() const { return mRelY; }
-    inline int32_t getRelativeVWheel() const { return mRelWheel; }
-    inline int32_t getRelativeHWheel() const { return mRelHWheel; }
-
-private:
-    bool mHaveRelWheel;
-    bool mHaveRelHWheel;
-
-    int32_t mRelX;
-    int32_t mRelY;
-    int32_t mRelWheel;
-    int32_t mRelHWheel;
-
-    void clearRelativeAxes();
-};
-
-
-/* Keeps track of the state of touch, stylus and tool buttons. */
-class TouchButtonAccumulator {
-public:
-    TouchButtonAccumulator();
-    void configure(InputDevice* device);
-    void reset(InputDevice* device);
-
-    void process(const RawEvent* rawEvent);
-
-    uint32_t getButtonState() const;
-    int32_t getToolType() const;
-    bool isToolActive() const;
-    bool isHovering() const;
-    bool hasStylus() const;
-
-private:
-    bool mHaveBtnTouch;
-    bool mHaveStylus;
-
-    bool mBtnTouch;
-    bool mBtnStylus;
-    bool mBtnStylus2;
-    bool mBtnToolFinger;
-    bool mBtnToolPen;
-    bool mBtnToolRubber;
-    bool mBtnToolBrush;
-    bool mBtnToolPencil;
-    bool mBtnToolAirbrush;
-    bool mBtnToolMouse;
-    bool mBtnToolLens;
-    bool mBtnToolDoubleTap;
-    bool mBtnToolTripleTap;
-    bool mBtnToolQuadTap;
-
-    void clearButtons();
-};
-
-
-/* Raw axis information from the driver. */
-struct RawPointerAxes {
-    RawAbsoluteAxisInfo x;
-    RawAbsoluteAxisInfo y;
-    RawAbsoluteAxisInfo pressure;
-    RawAbsoluteAxisInfo touchMajor;
-    RawAbsoluteAxisInfo touchMinor;
-    RawAbsoluteAxisInfo toolMajor;
-    RawAbsoluteAxisInfo toolMinor;
-    RawAbsoluteAxisInfo orientation;
-    RawAbsoluteAxisInfo distance;
-    RawAbsoluteAxisInfo tiltX;
-    RawAbsoluteAxisInfo tiltY;
-    RawAbsoluteAxisInfo trackingId;
-    RawAbsoluteAxisInfo slot;
-
-    RawPointerAxes();
-    void clear();
-};
-
-
-/* Raw data for a collection of pointers including a pointer id mapping table. */
-struct RawPointerData {
-    struct Pointer {
-        uint32_t id;
-        int32_t x;
-        int32_t y;
-        int32_t pressure;
-        int32_t touchMajor;
-        int32_t touchMinor;
-        int32_t toolMajor;
-        int32_t toolMinor;
-        int32_t orientation;
-        int32_t distance;
-        int32_t tiltX;
-        int32_t tiltY;
-        int32_t toolType; // a fully decoded AMOTION_EVENT_TOOL_TYPE constant
-        bool isHovering;
-    };
-
-    uint32_t pointerCount;
-    Pointer pointers[MAX_POINTERS];
-    BitSet32 hoveringIdBits, touchingIdBits;
-    uint32_t idToIndex[MAX_POINTER_ID + 1];
-
-    RawPointerData();
-    void clear();
-    void copyFrom(const RawPointerData& other);
-    void getCentroidOfTouchingPointers(float* outX, float* outY) const;
-
-    inline void markIdBit(uint32_t id, bool isHovering) {
-        if (isHovering) {
-            hoveringIdBits.markBit(id);
-        } else {
-            touchingIdBits.markBit(id);
-        }
-    }
-
-    inline void clearIdBits() {
-        hoveringIdBits.clear();
-        touchingIdBits.clear();
-    }
-
-    inline const Pointer& pointerForId(uint32_t id) const {
-        return pointers[idToIndex[id]];
-    }
-
-    inline bool isHovering(uint32_t pointerIndex) {
-        return pointers[pointerIndex].isHovering;
-    }
-};
-
-
-/* Cooked data for a collection of pointers including a pointer id mapping table. */
-struct CookedPointerData {
-    uint32_t pointerCount;
-    PointerProperties pointerProperties[MAX_POINTERS];
-    PointerCoords pointerCoords[MAX_POINTERS];
-    BitSet32 hoveringIdBits, touchingIdBits;
-    uint32_t idToIndex[MAX_POINTER_ID + 1];
-
-    CookedPointerData();
-    void clear();
-    void copyFrom(const CookedPointerData& other);
-
-    inline const PointerCoords& pointerCoordsForId(uint32_t id) const {
-        return pointerCoords[idToIndex[id]];
-    }
-
-    inline bool isHovering(uint32_t pointerIndex) {
-        return hoveringIdBits.hasBit(pointerProperties[pointerIndex].id);
-    }
-};
-
-
-/* Keeps track of the state of single-touch protocol. */
-class SingleTouchMotionAccumulator {
-public:
-    SingleTouchMotionAccumulator();
-
-    void process(const RawEvent* rawEvent);
-    void reset(InputDevice* device);
-
-    inline int32_t getAbsoluteX() const { return mAbsX; }
-    inline int32_t getAbsoluteY() const { return mAbsY; }
-    inline int32_t getAbsolutePressure() const { return mAbsPressure; }
-    inline int32_t getAbsoluteToolWidth() const { return mAbsToolWidth; }
-    inline int32_t getAbsoluteDistance() const { return mAbsDistance; }
-    inline int32_t getAbsoluteTiltX() const { return mAbsTiltX; }
-    inline int32_t getAbsoluteTiltY() const { return mAbsTiltY; }
-
-private:
-    int32_t mAbsX;
-    int32_t mAbsY;
-    int32_t mAbsPressure;
-    int32_t mAbsToolWidth;
-    int32_t mAbsDistance;
-    int32_t mAbsTiltX;
-    int32_t mAbsTiltY;
-
-    void clearAbsoluteAxes();
-};
-
-
-/* Keeps track of the state of multi-touch protocol. */
-class MultiTouchMotionAccumulator {
-public:
-    class Slot {
-    public:
-        inline bool isInUse() const { return mInUse; }
-        inline int32_t getX() const { return mAbsMTPositionX; }
-        inline int32_t getY() const { return mAbsMTPositionY; }
-        inline int32_t getTouchMajor() const { return mAbsMTTouchMajor; }
-        inline int32_t getTouchMinor() const {
-            return mHaveAbsMTTouchMinor ? mAbsMTTouchMinor : mAbsMTTouchMajor; }
-        inline int32_t getToolMajor() const { return mAbsMTWidthMajor; }
-        inline int32_t getToolMinor() const {
-            return mHaveAbsMTWidthMinor ? mAbsMTWidthMinor : mAbsMTWidthMajor; }
-        inline int32_t getOrientation() const { return mAbsMTOrientation; }
-        inline int32_t getTrackingId() const { return mAbsMTTrackingId; }
-        inline int32_t getPressure() const { return mAbsMTPressure; }
-        inline int32_t getDistance() const { return mAbsMTDistance; }
-        inline int32_t getToolType() const;
-
-    private:
-        friend class MultiTouchMotionAccumulator;
-
-        bool mInUse;
-        bool mHaveAbsMTTouchMinor;
-        bool mHaveAbsMTWidthMinor;
-        bool mHaveAbsMTToolType;
-
-        int32_t mAbsMTPositionX;
-        int32_t mAbsMTPositionY;
-        int32_t mAbsMTTouchMajor;
-        int32_t mAbsMTTouchMinor;
-        int32_t mAbsMTWidthMajor;
-        int32_t mAbsMTWidthMinor;
-        int32_t mAbsMTOrientation;
-        int32_t mAbsMTTrackingId;
-        int32_t mAbsMTPressure;
-        int32_t mAbsMTDistance;
-        int32_t mAbsMTToolType;
-
-        Slot();
-        void clear();
-    };
-
-    MultiTouchMotionAccumulator();
-    ~MultiTouchMotionAccumulator();
-
-    void configure(InputDevice* device, size_t slotCount, bool usingSlotsProtocol);
-    void reset(InputDevice* device);
-    void process(const RawEvent* rawEvent);
-    void finishSync();
-    bool hasStylus() const;
-
-    inline size_t getSlotCount() const { return mSlotCount; }
-    inline const Slot* getSlot(size_t index) const { return &mSlots[index]; }
-
-private:
-    int32_t mCurrentSlot;
-    Slot* mSlots;
-    size_t mSlotCount;
-    bool mUsingSlotsProtocol;
-    bool mHaveStylus;
-
-    void clearSlots(int32_t initialSlot);
-};
-
-
-/* An input mapper transforms raw input events into cooked event data.
- * A single input device can have multiple associated input mappers in order to interpret
- * different classes of events.
- *
- * InputMapper lifecycle:
- * - create
- * - configure with 0 changes
- * - reset
- * - process, process, process (may occasionally reconfigure with non-zero changes or reset)
- * - reset
- * - destroy
- */
-class InputMapper {
-public:
-    InputMapper(InputDevice* device);
-    virtual ~InputMapper();
-
-    inline InputDevice* getDevice() { return mDevice; }
-    inline int32_t getDeviceId() { return mDevice->getId(); }
-    inline const String8 getDeviceName() { return mDevice->getName(); }
-    inline InputReaderContext* getContext() { return mContext; }
-    inline InputReaderPolicyInterface* getPolicy() { return mContext->getPolicy(); }
-    inline InputListenerInterface* getListener() { return mContext->getListener(); }
-    inline EventHubInterface* getEventHub() { return mContext->getEventHub(); }
-
-    virtual uint32_t getSources() = 0;
-    virtual void populateDeviceInfo(InputDeviceInfo* deviceInfo);
-    virtual void dump(String8& dump);
-    virtual void configure(nsecs_t when, const InputReaderConfiguration* config, uint32_t changes);
-    virtual void reset(nsecs_t when);
-    virtual void process(const RawEvent* rawEvent) = 0;
-    virtual void timeoutExpired(nsecs_t when);
-
-    virtual int32_t getKeyCodeState(uint32_t sourceMask, int32_t keyCode);
-    virtual int32_t getScanCodeState(uint32_t sourceMask, int32_t scanCode);
-    virtual int32_t getSwitchState(uint32_t sourceMask, int32_t switchCode);
-    virtual bool markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
-            const int32_t* keyCodes, uint8_t* outFlags);
-    virtual void vibrate(const nsecs_t* pattern, size_t patternSize, ssize_t repeat,
-            int32_t token);
-    virtual void cancelVibrate(int32_t token);
-
-    virtual int32_t getMetaState();
-
-    virtual void fadePointer();
-
-protected:
-    InputDevice* mDevice;
-    InputReaderContext* mContext;
-
-    status_t getAbsoluteAxisInfo(int32_t axis, RawAbsoluteAxisInfo* axisInfo);
-    void bumpGeneration();
-
-    static void dumpRawAbsoluteAxisInfo(String8& dump,
-            const RawAbsoluteAxisInfo& axis, const char* name);
-};
-
-
-class SwitchInputMapper : public InputMapper {
-public:
-    SwitchInputMapper(InputDevice* device);
-    virtual ~SwitchInputMapper();
-
-    virtual uint32_t getSources();
-    virtual void process(const RawEvent* rawEvent);
-
-    virtual int32_t getSwitchState(uint32_t sourceMask, int32_t switchCode);
-
-private:
-    uint32_t mUpdatedSwitchValues;
-    uint32_t mUpdatedSwitchMask;
-
-    void processSwitch(int32_t switchCode, int32_t switchValue);
-    void sync(nsecs_t when);
-};
-
-
-class VibratorInputMapper : public InputMapper {
-public:
-    VibratorInputMapper(InputDevice* device);
-    virtual ~VibratorInputMapper();
-
-    virtual uint32_t getSources();
-    virtual void populateDeviceInfo(InputDeviceInfo* deviceInfo);
-    virtual void process(const RawEvent* rawEvent);
-
-    virtual void vibrate(const nsecs_t* pattern, size_t patternSize, ssize_t repeat,
-            int32_t token);
-    virtual void cancelVibrate(int32_t token);
-    virtual void timeoutExpired(nsecs_t when);
-    virtual void dump(String8& dump);
-
-private:
-    bool mVibrating;
-    nsecs_t mPattern[MAX_VIBRATE_PATTERN_SIZE];
-    size_t mPatternSize;
-    ssize_t mRepeat;
-    int32_t mToken;
-    ssize_t mIndex;
-    nsecs_t mNextStepTime;
-
-    void nextStep();
-    void stopVibrating();
-};
-
-
-class KeyboardInputMapper : public InputMapper {
-public:
-    KeyboardInputMapper(InputDevice* device, uint32_t source, int32_t keyboardType);
-    virtual ~KeyboardInputMapper();
-
-    virtual uint32_t getSources();
-    virtual void populateDeviceInfo(InputDeviceInfo* deviceInfo);
-    virtual void dump(String8& dump);
-    virtual void configure(nsecs_t when, const InputReaderConfiguration* config, uint32_t changes);
-    virtual void reset(nsecs_t when);
-    virtual void process(const RawEvent* rawEvent);
-
-    virtual int32_t getKeyCodeState(uint32_t sourceMask, int32_t keyCode);
-    virtual int32_t getScanCodeState(uint32_t sourceMask, int32_t scanCode);
-    virtual bool markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
-            const int32_t* keyCodes, uint8_t* outFlags);
-
-    virtual int32_t getMetaState();
-
-private:
-    struct KeyDown {
-        int32_t keyCode;
-        int32_t scanCode;
-    };
-
-    uint32_t mSource;
-    int32_t mKeyboardType;
-
-    int32_t mOrientation; // orientation for dpad keys
-
-    Vector<KeyDown> mKeyDowns; // keys that are down
-    int32_t mMetaState;
-    nsecs_t mDownTime; // time of most recent key down
-
-    int32_t mCurrentHidUsage; // most recent HID usage seen this packet, or 0 if none
-
-    struct LedState {
-        bool avail; // led is available
-        bool on;    // we think the led is currently on
-    };
-    LedState mCapsLockLedState;
-    LedState mNumLockLedState;
-    LedState mScrollLockLedState;
-
-    // Immutable configuration parameters.
-    struct Parameters {
-        bool hasAssociatedDisplay;
-        bool orientationAware;
-    } mParameters;
-
-    void configureParameters();
-    void dumpParameters(String8& dump);
-
-    bool isKeyboardOrGamepadKey(int32_t scanCode);
-
-    void processKey(nsecs_t when, bool down, int32_t keyCode, int32_t scanCode,
-            uint32_t policyFlags);
-
-    ssize_t findKeyDown(int32_t scanCode);
-
-    void resetLedState();
-    void initializeLedState(LedState& ledState, int32_t led);
-    void updateLedState(bool reset);
-    void updateLedStateForModifier(LedState& ledState, int32_t led,
-            int32_t modifier, bool reset);
-};
-
-
-class CursorInputMapper : public InputMapper {
-public:
-    CursorInputMapper(InputDevice* device);
-    virtual ~CursorInputMapper();
-
-    virtual uint32_t getSources();
-    virtual void populateDeviceInfo(InputDeviceInfo* deviceInfo);
-    virtual void dump(String8& dump);
-    virtual void configure(nsecs_t when, const InputReaderConfiguration* config, uint32_t changes);
-    virtual void reset(nsecs_t when);
-    virtual void process(const RawEvent* rawEvent);
-
-    virtual int32_t getScanCodeState(uint32_t sourceMask, int32_t scanCode);
-
-    virtual void fadePointer();
-
-private:
-    // Amount that trackball needs to move in order to generate a key event.
-    static const int32_t TRACKBALL_MOVEMENT_THRESHOLD = 6;
-
-    // Immutable configuration parameters.
-    struct Parameters {
-        enum Mode {
-            MODE_POINTER,
-            MODE_NAVIGATION,
-        };
-
-        Mode mode;
-        bool hasAssociatedDisplay;
-        bool orientationAware;
-    } mParameters;
-
-    CursorButtonAccumulator mCursorButtonAccumulator;
-    CursorMotionAccumulator mCursorMotionAccumulator;
-    CursorScrollAccumulator mCursorScrollAccumulator;
-
-    int32_t mSource;
-    float mXScale;
-    float mYScale;
-    float mXPrecision;
-    float mYPrecision;
-
-    float mVWheelScale;
-    float mHWheelScale;
-
-    // Velocity controls for mouse pointer and wheel movements.
-    // The controls for X and Y wheel movements are separate to keep them decoupled.
-    VelocityControl mPointerVelocityControl;
-    VelocityControl mWheelXVelocityControl;
-    VelocityControl mWheelYVelocityControl;
-
-    int32_t mOrientation;
-
-    sp<PointerControllerInterface> mPointerController;
-
-    int32_t mButtonState;
-    nsecs_t mDownTime;
-
-    void configureParameters();
-    void dumpParameters(String8& dump);
-
-    void sync(nsecs_t when);
-};
-
-
-class TouchInputMapper : public InputMapper {
-public:
-    TouchInputMapper(InputDevice* device);
-    virtual ~TouchInputMapper();
-
-    virtual uint32_t getSources();
-    virtual void populateDeviceInfo(InputDeviceInfo* deviceInfo);
-    virtual void dump(String8& dump);
-    virtual void configure(nsecs_t when, const InputReaderConfiguration* config, uint32_t changes);
-    virtual void reset(nsecs_t when);
-    virtual void process(const RawEvent* rawEvent);
-
-    virtual int32_t getKeyCodeState(uint32_t sourceMask, int32_t keyCode);
-    virtual int32_t getScanCodeState(uint32_t sourceMask, int32_t scanCode);
-    virtual bool markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
-            const int32_t* keyCodes, uint8_t* outFlags);
-
-    virtual void fadePointer();
-    virtual void timeoutExpired(nsecs_t when);
-
-protected:
-    CursorButtonAccumulator mCursorButtonAccumulator;
-    CursorScrollAccumulator mCursorScrollAccumulator;
-    TouchButtonAccumulator mTouchButtonAccumulator;
-
-    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;
-        }
-    };
-
-    // Input sources and device mode.
-    uint32_t mSource;
-
-    enum DeviceMode {
-        DEVICE_MODE_DISABLED, // input is disabled
-        DEVICE_MODE_DIRECT, // direct mapping (touchscreen)
-        DEVICE_MODE_UNSCALED, // unscaled mapping (touchpad)
-        DEVICE_MODE_NAVIGATION, // unscaled mapping with assist gesture (touch navigation)
-        DEVICE_MODE_POINTER, // pointer mapping (pointer)
-    };
-    DeviceMode mDeviceMode;
-
-    // The reader's configuration.
-    InputReaderConfiguration mConfig;
-
-    // Immutable configuration parameters.
-    struct Parameters {
-        enum DeviceType {
-            DEVICE_TYPE_TOUCH_SCREEN,
-            DEVICE_TYPE_TOUCH_PAD,
-            DEVICE_TYPE_TOUCH_NAVIGATION,
-            DEVICE_TYPE_POINTER,
-        };
-
-        DeviceType deviceType;
-        bool hasAssociatedDisplay;
-        bool associatedDisplayIsExternal;
-        bool orientationAware;
-
-        enum GestureMode {
-            GESTURE_MODE_POINTER,
-            GESTURE_MODE_SPOTS,
-        };
-        GestureMode gestureMode;
-    } mParameters;
-
-    // Immutable calibration parameters in parsed form.
-    struct Calibration {
-        // Size
-        enum SizeCalibration {
-            SIZE_CALIBRATION_DEFAULT,
-            SIZE_CALIBRATION_NONE,
-            SIZE_CALIBRATION_GEOMETRIC,
-            SIZE_CALIBRATION_DIAMETER,
-            SIZE_CALIBRATION_BOX,
-            SIZE_CALIBRATION_AREA,
-        };
-
-        SizeCalibration sizeCalibration;
-
-        bool haveSizeScale;
-        float sizeScale;
-        bool haveSizeBias;
-        float sizeBias;
-        bool haveSizeIsSummed;
-        bool sizeIsSummed;
-
-        // Pressure
-        enum PressureCalibration {
-            PRESSURE_CALIBRATION_DEFAULT,
-            PRESSURE_CALIBRATION_NONE,
-            PRESSURE_CALIBRATION_PHYSICAL,
-            PRESSURE_CALIBRATION_AMPLITUDE,
-        };
-
-        PressureCalibration pressureCalibration;
-        bool havePressureScale;
-        float pressureScale;
-
-        // Orientation
-        enum OrientationCalibration {
-            ORIENTATION_CALIBRATION_DEFAULT,
-            ORIENTATION_CALIBRATION_NONE,
-            ORIENTATION_CALIBRATION_INTERPOLATED,
-            ORIENTATION_CALIBRATION_VECTOR,
-        };
-
-        OrientationCalibration orientationCalibration;
-
-        // Distance
-        enum DistanceCalibration {
-            DISTANCE_CALIBRATION_DEFAULT,
-            DISTANCE_CALIBRATION_NONE,
-            DISTANCE_CALIBRATION_SCALED,
-        };
-
-        DistanceCalibration distanceCalibration;
-        bool haveDistanceScale;
-        float distanceScale;
-
-        enum CoverageCalibration {
-            COVERAGE_CALIBRATION_DEFAULT,
-            COVERAGE_CALIBRATION_NONE,
-            COVERAGE_CALIBRATION_BOX,
-        };
-
-        CoverageCalibration coverageCalibration;
-
-        inline void applySizeScaleAndBias(float* outSize) const {
-            if (haveSizeScale) {
-                *outSize *= sizeScale;
-            }
-            if (haveSizeBias) {
-                *outSize += sizeBias;
-            }
-        }
-    } mCalibration;
-
-    // Raw pointer axis information from the driver.
-    RawPointerAxes mRawPointerAxes;
-
-    // Raw pointer sample data.
-    RawPointerData mCurrentRawPointerData;
-    RawPointerData mLastRawPointerData;
-
-    // Cooked pointer sample data.
-    CookedPointerData mCurrentCookedPointerData;
-    CookedPointerData mLastCookedPointerData;
-
-    // Button state.
-    int32_t mCurrentButtonState;
-    int32_t mLastButtonState;
-
-    // Scroll state.
-    int32_t mCurrentRawVScroll;
-    int32_t mCurrentRawHScroll;
-
-    // Id bits used to differentiate fingers, stylus and mouse tools.
-    BitSet32 mCurrentFingerIdBits; // finger or unknown
-    BitSet32 mLastFingerIdBits;
-    BitSet32 mCurrentStylusIdBits; // stylus or eraser
-    BitSet32 mLastStylusIdBits;
-    BitSet32 mCurrentMouseIdBits; // mouse or lens
-    BitSet32 mLastMouseIdBits;
-
-    // True if we sent a HOVER_ENTER event.
-    bool mSentHoverEnter;
-
-    // The time the primary pointer last went down.
-    nsecs_t mDownTime;
-
-    // The pointer controller, or null if the device is not a pointer.
-    sp<PointerControllerInterface> mPointerController;
-
-    Vector<VirtualKey> mVirtualKeys;
-
-    virtual void configureParameters();
-    virtual void dumpParameters(String8& dump);
-    virtual void configureRawPointerAxes();
-    virtual void dumpRawPointerAxes(String8& dump);
-    virtual void configureSurface(nsecs_t when, bool* outResetNeeded);
-    virtual void dumpSurface(String8& dump);
-    virtual void configureVirtualKeys();
-    virtual void dumpVirtualKeys(String8& dump);
-    virtual void parseCalibration();
-    virtual void resolveCalibration();
-    virtual void dumpCalibration(String8& dump);
-    virtual bool hasStylus() const = 0;
-
-    virtual void syncTouch(nsecs_t when, bool* outHavePointerIds) = 0;
-
-private:
-    // The current viewport.
-    // The components of the viewport are specified in the display's rotated orientation.
-    DisplayViewport mViewport;
-
-    // The surface orientation, width and height set by configureSurface().
-    // The width and height are derived from the viewport but are specified
-    // in the natural orientation.
-    // The surface origin specifies how the surface coordinates should be translated
-    // to align with the logical display coordinate space.
-    // The orientation may be different from the viewport orientation as it specifies
-    // the rotation of the surface coordinates required to produce the viewport's
-    // requested orientation, so it will depend on whether the device is orientation aware.
-    int32_t mSurfaceWidth;
-    int32_t mSurfaceHeight;
-    int32_t mSurfaceLeft;
-    int32_t mSurfaceTop;
-    int32_t mSurfaceOrientation;
-
-    // Translation and scaling factors, orientation-independent.
-    float mXTranslate;
-    float mXScale;
-    float mXPrecision;
-
-    float mYTranslate;
-    float mYScale;
-    float mYPrecision;
-
-    float mGeometricScale;
-
-    float mPressureScale;
-
-    float mSizeScale;
-
-    float mOrientationScale;
-
-    float mDistanceScale;
-
-    bool mHaveTilt;
-    float mTiltXCenter;
-    float mTiltXScale;
-    float mTiltYCenter;
-    float mTiltYScale;
-
-    // Oriented motion ranges for input device info.
-    struct OrientedRanges {
-        InputDeviceInfo::MotionRange x;
-        InputDeviceInfo::MotionRange y;
-        InputDeviceInfo::MotionRange pressure;
-
-        bool haveSize;
-        InputDeviceInfo::MotionRange size;
-
-        bool haveTouchSize;
-        InputDeviceInfo::MotionRange touchMajor;
-        InputDeviceInfo::MotionRange touchMinor;
-
-        bool haveToolSize;
-        InputDeviceInfo::MotionRange toolMajor;
-        InputDeviceInfo::MotionRange toolMinor;
-
-        bool haveOrientation;
-        InputDeviceInfo::MotionRange orientation;
-
-        bool haveDistance;
-        InputDeviceInfo::MotionRange distance;
-
-        bool haveTilt;
-        InputDeviceInfo::MotionRange tilt;
-
-        OrientedRanges() {
-            clear();
-        }
-
-        void clear() {
-            haveSize = false;
-            haveTouchSize = false;
-            haveToolSize = false;
-            haveOrientation = false;
-            haveDistance = false;
-            haveTilt = false;
-        }
-    } mOrientedRanges;
-
-    // Oriented dimensions and precision.
-    float mOrientedXPrecision;
-    float mOrientedYPrecision;
-
-    struct CurrentVirtualKeyState {
-        bool down;
-        bool ignored;
-        nsecs_t downTime;
-        int32_t keyCode;
-        int32_t scanCode;
-    } mCurrentVirtualKey;
-
-    // Scale factor for gesture or mouse based pointer movements.
-    float mPointerXMovementScale;
-    float mPointerYMovementScale;
-
-    // Scale factor for gesture based zooming and other freeform motions.
-    float mPointerXZoomScale;
-    float mPointerYZoomScale;
-
-    // The maximum swipe width.
-    float mPointerGestureMaxSwipeWidth;
-
-    struct PointerDistanceHeapElement {
-        uint32_t currentPointerIndex : 8;
-        uint32_t lastPointerIndex : 8;
-        uint64_t distance : 48; // squared distance
-    };
-
-    enum PointerUsage {
-        POINTER_USAGE_NONE,
-        POINTER_USAGE_GESTURES,
-        POINTER_USAGE_STYLUS,
-        POINTER_USAGE_MOUSE,
-    };
-    PointerUsage mPointerUsage;
-
-    struct PointerGesture {
-        enum Mode {
-            // No fingers, button is not pressed.
-            // Nothing happening.
-            NEUTRAL,
-
-            // No fingers, button is not pressed.
-            // Tap detected.
-            // Emits DOWN and UP events at the pointer location.
-            TAP,
-
-            // Exactly one finger dragging following a tap.
-            // Pointer follows the active finger.
-            // Emits DOWN, MOVE and UP events at the pointer location.
-            //
-            // Detect double-taps when the finger goes up while in TAP_DRAG mode.
-            TAP_DRAG,
-
-            // Button is pressed.
-            // Pointer follows the active finger if there is one.  Other fingers are ignored.
-            // Emits DOWN, MOVE and UP events at the pointer location.
-            BUTTON_CLICK_OR_DRAG,
-
-            // Exactly one finger, button is not pressed.
-            // Pointer follows the active finger.
-            // Emits HOVER_MOVE events at the pointer location.
-            //
-            // Detect taps when the finger goes up while in HOVER mode.
-            HOVER,
-
-            // Exactly two fingers but neither have moved enough to clearly indicate
-            // whether a swipe or freeform gesture was intended.  We consider the
-            // pointer to be pressed so this enables clicking or long-pressing on buttons.
-            // Pointer does not move.
-            // Emits DOWN, MOVE and UP events with a single stationary pointer coordinate.
-            PRESS,
-
-            // Exactly two fingers moving in the same direction, button is not pressed.
-            // Pointer does not move.
-            // Emits DOWN, MOVE and UP events with a single pointer coordinate that
-            // follows the midpoint between both fingers.
-            SWIPE,
-
-            // Two or more fingers moving in arbitrary directions, button is not pressed.
-            // Pointer does not move.
-            // Emits DOWN, POINTER_DOWN, MOVE, POINTER_UP and UP events that follow
-            // each finger individually relative to the initial centroid of the finger.
-            FREEFORM,
-
-            // Waiting for quiet time to end before starting the next gesture.
-            QUIET,
-        };
-
-        // Time the first finger went down.
-        nsecs_t firstTouchTime;
-
-        // The active pointer id from the raw touch data.
-        int32_t activeTouchId; // -1 if none
-
-        // The active pointer id from the gesture last delivered to the application.
-        int32_t activeGestureId; // -1 if none
-
-        // Pointer coords and ids for the current and previous pointer gesture.
-        Mode currentGestureMode;
-        BitSet32 currentGestureIdBits;
-        uint32_t currentGestureIdToIndex[MAX_POINTER_ID + 1];
-        PointerProperties currentGestureProperties[MAX_POINTERS];
-        PointerCoords currentGestureCoords[MAX_POINTERS];
-
-        Mode lastGestureMode;
-        BitSet32 lastGestureIdBits;
-        uint32_t lastGestureIdToIndex[MAX_POINTER_ID + 1];
-        PointerProperties lastGestureProperties[MAX_POINTERS];
-        PointerCoords lastGestureCoords[MAX_POINTERS];
-
-        // Time the pointer gesture last went down.
-        nsecs_t downTime;
-
-        // Time when the pointer went down for a TAP.
-        nsecs_t tapDownTime;
-
-        // Time when the pointer went up for a TAP.
-        nsecs_t tapUpTime;
-
-        // Location of initial tap.
-        float tapX, tapY;
-
-        // Time we started waiting for quiescence.
-        nsecs_t quietTime;
-
-        // Reference points for multitouch gestures.
-        float referenceTouchX;    // reference touch X/Y coordinates in surface units
-        float referenceTouchY;
-        float referenceGestureX;  // reference gesture X/Y coordinates in pixels
-        float referenceGestureY;
-
-        // Distance that each pointer has traveled which has not yet been
-        // subsumed into the reference gesture position.
-        BitSet32 referenceIdBits;
-        struct Delta {
-            float dx, dy;
-        };
-        Delta referenceDeltas[MAX_POINTER_ID + 1];
-
-        // Describes how touch ids are mapped to gesture ids for freeform gestures.
-        uint32_t freeformTouchToGestureIdMap[MAX_POINTER_ID + 1];
-
-        // A velocity tracker for determining whether to switch active pointers during drags.
-        VelocityTracker velocityTracker;
-
-        void reset() {
-            firstTouchTime = LLONG_MIN;
-            activeTouchId = -1;
-            activeGestureId = -1;
-            currentGestureMode = NEUTRAL;
-            currentGestureIdBits.clear();
-            lastGestureMode = NEUTRAL;
-            lastGestureIdBits.clear();
-            downTime = 0;
-            velocityTracker.clear();
-            resetTap();
-            resetQuietTime();
-        }
-
-        void resetTap() {
-            tapDownTime = LLONG_MIN;
-            tapUpTime = LLONG_MIN;
-        }
-
-        void resetQuietTime() {
-            quietTime = LLONG_MIN;
-        }
-    } mPointerGesture;
-
-    struct PointerSimple {
-        PointerCoords currentCoords;
-        PointerProperties currentProperties;
-        PointerCoords lastCoords;
-        PointerProperties lastProperties;
-
-        // True if the pointer is down.
-        bool down;
-
-        // True if the pointer is hovering.
-        bool hovering;
-
-        // Time the pointer last went down.
-        nsecs_t downTime;
-
-        void reset() {
-            currentCoords.clear();
-            currentProperties.clear();
-            lastCoords.clear();
-            lastProperties.clear();
-            down = false;
-            hovering = false;
-            downTime = 0;
-        }
-    } mPointerSimple;
-
-    // The pointer and scroll velocity controls.
-    VelocityControl mPointerVelocityControl;
-    VelocityControl mWheelXVelocityControl;
-    VelocityControl mWheelYVelocityControl;
-
-    void sync(nsecs_t when);
-
-    bool consumeRawTouches(nsecs_t when, uint32_t policyFlags);
-    void dispatchVirtualKey(nsecs_t when, uint32_t policyFlags,
-            int32_t keyEventAction, int32_t keyEventFlags);
-
-    void dispatchTouches(nsecs_t when, uint32_t policyFlags);
-    void dispatchHoverExit(nsecs_t when, uint32_t policyFlags);
-    void dispatchHoverEnterAndMove(nsecs_t when, uint32_t policyFlags);
-    void cookPointerData();
-
-    void dispatchPointerUsage(nsecs_t when, uint32_t policyFlags, PointerUsage pointerUsage);
-    void abortPointerUsage(nsecs_t when, uint32_t policyFlags);
-
-    void dispatchPointerGestures(nsecs_t when, uint32_t policyFlags, bool isTimeout);
-    void abortPointerGestures(nsecs_t when, uint32_t policyFlags);
-    bool preparePointerGestures(nsecs_t when,
-            bool* outCancelPreviousGesture, bool* outFinishPreviousGesture,
-            bool isTimeout);
-
-    void dispatchPointerStylus(nsecs_t when, uint32_t policyFlags);
-    void abortPointerStylus(nsecs_t when, uint32_t policyFlags);
-
-    void dispatchPointerMouse(nsecs_t when, uint32_t policyFlags);
-    void abortPointerMouse(nsecs_t when, uint32_t policyFlags);
-
-    void dispatchPointerSimple(nsecs_t when, uint32_t policyFlags,
-            bool down, bool hovering);
-    void abortPointerSimple(nsecs_t when, uint32_t policyFlags);
-
-    // Dispatches a motion event.
-    // If the changedId is >= 0 and the action is POINTER_DOWN or POINTER_UP, the
-    // method will take care of setting the index and transmuting the action to DOWN or UP
-    // it is the first / last pointer to go down / up.
-    void dispatchMotion(nsecs_t when, uint32_t policyFlags, uint32_t source,
-            int32_t action, int32_t flags, int32_t metaState, int32_t buttonState,
-            int32_t edgeFlags,
-            const PointerProperties* properties, const PointerCoords* coords,
-            const uint32_t* idToIndex, BitSet32 idBits,
-            int32_t changedId, float xPrecision, float yPrecision, nsecs_t downTime);
-
-    // Updates pointer coords and properties for pointers with specified ids that have moved.
-    // Returns true if any of them changed.
-    bool updateMovedPointers(const PointerProperties* inProperties,
-            const PointerCoords* inCoords, const uint32_t* inIdToIndex,
-            PointerProperties* outProperties, PointerCoords* outCoords,
-            const uint32_t* outIdToIndex, BitSet32 idBits) const;
-
-    bool isPointInsideSurface(int32_t x, int32_t y);
-    const VirtualKey* findVirtualKeyHit(int32_t x, int32_t y);
-
-    void assignPointerIds();
-};
-
-
-class SingleTouchInputMapper : public TouchInputMapper {
-public:
-    SingleTouchInputMapper(InputDevice* device);
-    virtual ~SingleTouchInputMapper();
-
-    virtual void reset(nsecs_t when);
-    virtual void process(const RawEvent* rawEvent);
-
-protected:
-    virtual void syncTouch(nsecs_t when, bool* outHavePointerIds);
-    virtual void configureRawPointerAxes();
-    virtual bool hasStylus() const;
-
-private:
-    SingleTouchMotionAccumulator mSingleTouchMotionAccumulator;
-};
-
-
-class MultiTouchInputMapper : public TouchInputMapper {
-public:
-    MultiTouchInputMapper(InputDevice* device);
-    virtual ~MultiTouchInputMapper();
-
-    virtual void reset(nsecs_t when);
-    virtual void process(const RawEvent* rawEvent);
-
-protected:
-    virtual void syncTouch(nsecs_t when, bool* outHavePointerIds);
-    virtual void configureRawPointerAxes();
-    virtual bool hasStylus() const;
-
-private:
-    MultiTouchMotionAccumulator mMultiTouchMotionAccumulator;
-
-    // Specifies the pointer id bits that are in use, and their associated tracking id.
-    BitSet32 mPointerIdBits;
-    int32_t mPointerTrackingIdMap[MAX_POINTER_ID + 1];
-};
-
-
-class JoystickInputMapper : public InputMapper {
-public:
-    JoystickInputMapper(InputDevice* device);
-    virtual ~JoystickInputMapper();
-
-    virtual uint32_t getSources();
-    virtual void populateDeviceInfo(InputDeviceInfo* deviceInfo);
-    virtual void dump(String8& dump);
-    virtual void configure(nsecs_t when, const InputReaderConfiguration* config, uint32_t changes);
-    virtual void reset(nsecs_t when);
-    virtual void process(const RawEvent* rawEvent);
-
-private:
-    struct Axis {
-        RawAbsoluteAxisInfo rawAxisInfo;
-        AxisInfo axisInfo;
-
-        bool explicitlyMapped; // true if the axis was explicitly assigned an axis id
-
-        float scale;   // scale factor from raw to normalized values
-        float offset;  // offset to add after scaling for normalization
-        float highScale;  // scale factor from raw to normalized values of high split
-        float highOffset; // offset to add after scaling for normalization of high split
-
-        float min;        // normalized inclusive minimum
-        float max;        // normalized inclusive maximum
-        float flat;       // normalized flat region size
-        float fuzz;       // normalized error tolerance
-        float resolution; // normalized resolution in units/mm
-
-        float filter;  // filter out small variations of this size
-        float currentValue; // current value
-        float newValue; // most recent value
-        float highCurrentValue; // current value of high split
-        float highNewValue; // most recent value of high split
-
-        void initialize(const RawAbsoluteAxisInfo& rawAxisInfo, const AxisInfo& axisInfo,
-                bool explicitlyMapped, float scale, float offset,
-                float highScale, float highOffset,
-                float min, float max, float flat, float fuzz, float resolution) {
-            this->rawAxisInfo = rawAxisInfo;
-            this->axisInfo = axisInfo;
-            this->explicitlyMapped = explicitlyMapped;
-            this->scale = scale;
-            this->offset = offset;
-            this->highScale = highScale;
-            this->highOffset = highOffset;
-            this->min = min;
-            this->max = max;
-            this->flat = flat;
-            this->fuzz = fuzz;
-            this->resolution = resolution;
-            this->filter = 0;
-            resetValue();
-        }
-
-        void resetValue() {
-            this->currentValue = 0;
-            this->newValue = 0;
-            this->highCurrentValue = 0;
-            this->highNewValue = 0;
-        }
-    };
-
-    // Axes indexed by raw ABS_* axis index.
-    KeyedVector<int32_t, Axis> mAxes;
-
-    void sync(nsecs_t when, bool force);
-
-    bool haveAxis(int32_t axisId);
-    void pruneAxes(bool ignoreExplicitlyMappedAxes);
-    bool filterAxes(bool force);
-
-    static bool hasValueChangedSignificantly(float filter,
-            float newValue, float currentValue, float min, float max);
-    static bool hasMovedNearerToValueWithinFilteredRange(float filter,
-            float newValue, float currentValue, float thresholdValue);
-
-    static bool isCenteredAxis(int32_t axis);
-    static int32_t getCompatAxis(int32_t axis);
-
-    static void addMotionRange(int32_t axisId, const Axis& axis, InputDeviceInfo* info);
-    static void setPointerCoordsAxisValue(PointerCoords* pointerCoords, int32_t axis,
-            float value);
-};
-
-} // namespace android
-
-#endif // _UI_INPUT_READER_H