am 1997fe14: Merge "Update KeyBoardView to reflect the interaction model in Latin IME" into ics-mr1

    @Override

    public boolean onHoverEvent(MotionEvent event) {

        // If touch exploring is enabled we ignore touch events and transform

        // the stream of hover events as touch events. This allows one consistent

        // event stream to drive the keyboard since during touch exploring the

        // first touch generates only hover events and tapping on the same

        // location generates hover and touch events.

        if (mAccessibilityManager.isTouchExplorationEnabled() && event.getPointerCount() == 1) {

            final int action = event.getAction();

            switch (action) {

                case MotionEvent.ACTION_HOVER_ENTER:

                    event.setAction(MotionEvent.ACTION_DOWN);

                    break;

                case MotionEvent.ACTION_HOVER_MOVE:

                    event.setAction(MotionEvent.ACTION_MOVE);

                    final int touchX = (int) event.getX() - mPaddingLeft;

                    int touchY = (int) event.getY() - mPaddingTop;

                    if (touchY >= -mVerticalCorrection) {

                        touchY += mVerticalCorrection;

                    }

                    final int keyIndex = getKeyIndices(touchX, touchY, null);

                    showPreview(keyIndex);

                    break;

                case MotionEvent.ACTION_HOVER_EXIT:

                    event.setAction(MotionEvent.ACTION_UP);

                    showPreview(NOT_A_KEY);

                    break;

            }

            onTouchEventInternal(event);

            event.setAction(action);

        }

        return super.onHoverEvent(event);

    }

    @Override

    public boolean onTouchEvent(MotionEvent event) {

        // If touch exploring is enabled we ignore touch events and transform

        // the stream of hover events as touch events. This allows one consistent

        // event stream to drive the keyboard since during touch exploring the

        // first touch generates only hover events and tapping on the same

        // location generates hover and touch events.

        if (mAccessibilityManager.isTouchExplorationEnabled()) {

        return true;

    }

        return onTouchEventInternal(event);

    }

    private boolean onTouchEventInternal(MotionEvent me) {

    @Override

    public boolean onTouchEvent(MotionEvent me) {

        // Convert multi-pointer up/down events to single up/down events to 

        // deal with the typical multi-pointer behavior of two-thumb typing

        final int pointerCount = me.getPointerCount();