Example usage for android.view ViewGroup setPressed

Introduction

In this page you can find the example usage for android.view ViewGroup setPressed.

Prototype

public void setPressed(boolean pressed) 

Source Link

Document

Sets the pressed state for this view.

Usage

From source file:com.grottworkshop.gwsswipelayout.SwipeLayout.java

@Override
public boolean onTouchEvent(MotionEvent event) {
    if (!isEnabledInAdapterView() || !isEnabled())
        return true;

    if (!isSwipeEnabled())
        return super.onTouchEvent(event);

    int action = event.getActionMasked();
    ViewParent parent = getParent();/*from w  ww .  j a  va 2  s. c  o  m*/

    gestureDetector.onTouchEvent(event);
    Status status = getOpenStatus();
    ViewGroup touching = null;
    if (status == Status.Close) {
        touching = getSurfaceView();
    } else if (status == Status.Open) {
        touching = getBottomView();
    }

    switch (action) {
    case MotionEvent.ACTION_DOWN:
        mDragHelper.processTouchEvent(event);
        parent.requestDisallowInterceptTouchEvent(true);

        sX = event.getRawX();
        sY = event.getRawY();

        if (touching != null)
            touching.setPressed(true);

        return true;
    case MotionEvent.ACTION_MOVE: {
        if (sX == -1 || sY == -1) {
            // Trick:
            // When in nested mode, we need to send a constructed ACTION_DOWN MotionEvent to mDragHelper, to help
            // it initialize itself.
            event.setAction(MotionEvent.ACTION_DOWN);
            mDragHelper.processTouchEvent(event);
            parent.requestDisallowInterceptTouchEvent(true);
            sX = event.getRawX();
            sY = event.getRawY();
            return true;
        }

        float distanceX = event.getRawX() - sX;
        float distanceY = event.getRawY() - sY;
        float angle = Math.abs(distanceY / distanceX);
        angle = (float) Math.toDegrees(Math.atan(angle));

        boolean doNothing = false;
        if (mDragEdge == DragEdge.Right) {
            boolean suitable = (status == Status.Open && distanceX > 0)
                    || (status == Status.Close && distanceX < 0);
            suitable = suitable || (status == Status.Middle);

            if (angle > 30 || !suitable) {
                doNothing = true;
            }
        }

        if (mDragEdge == DragEdge.Left) {
            boolean suitable = (status == Status.Open && distanceX < 0)
                    || (status == Status.Close && distanceX > 0);
            suitable = suitable || status == Status.Middle;

            if (angle > 30 || !suitable) {
                doNothing = true;
            }
        }

        if (mDragEdge == DragEdge.Top) {
            boolean suitable = (status == Status.Open && distanceY < 0)
                    || (status == Status.Close && distanceY > 0);
            suitable = suitable || status == Status.Middle;

            if (angle < 60 || !suitable) {
                doNothing = true;
            }
        }

        if (mDragEdge == DragEdge.Bottom) {
            boolean suitable = (status == Status.Open && distanceY > 0)
                    || (status == Status.Close && distanceY < 0);
            suitable = suitable || status == Status.Middle;

            if (angle < 60 || !suitable) {
                doNothing = true;
            }
        }

        if (doNothing) {
            parent.requestDisallowInterceptTouchEvent(false);
            return false;
        } else {
            if (touching != null) {
                touching.setPressed(false);
            }
            parent.requestDisallowInterceptTouchEvent(true);
            mDragHelper.processTouchEvent(event);
        }
        break;
    }
    case MotionEvent.ACTION_UP:
    case MotionEvent.ACTION_CANCEL: {
        sX = -1;
        sY = -1;
        if (touching != null) {
            touching.setPressed(false);
        }
    }
    default:
        parent.requestDisallowInterceptTouchEvent(true);
        mDragHelper.processTouchEvent(event);
    }

    return true;
}

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