@Override
protected void constrainChild(View child, int width, int wMode, int height, int hMode) {
super.constrainChild(child, width, wMode, height, hMode);
// We need to support an automatically growing contentArea, so this code is
// updates the measured dimensions as needed. absWidth, absHeight are
// left in for debugging purposes. ATM
int absWidth = calculateAbsoluteRight(child);
int absHeight = calculateAbsoluteBottom(child);
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
int w = Math.max(MeasureSpec.getSize(widthMeasureSpec), getSuggestedMinimumWidth());
int wMode = MeasureSpec.getMode(widthMeasureSpec);
int h = Math.max(MeasureSpec.getSize(heightMeasureSpec), getSuggestedMinimumHeight());
int hMode = MeasureSpec.getMode(heightMeasureSpec);
int maxWidth = 0;
int maxHeight = 0;
for (int i = 0; i < getChildCount(); i++) {
View child = getChildAt(i);
if (child.getVisibility() != View.GONE) {
constrainChild(child, w, wMode, h, hMode);
}
int childWidth = child.getMeasuredWidth();
int childHeight = child.getMeasuredHeight();
if (child.getVisibility() != View.GONE) {
childWidth += getViewWidthPadding(child);
childHeight += getViewHeightPadding(child);
}
maxWidth = Math.max(maxWidth, childWidth);
if (vertical) {
LayoutParams p = (LayoutParams) child.getLayoutParams();
maxHeight += childHeight;
if (p.optionTop != NOT_SET) {
maxHeight += p.optionTop;
}
} else {
maxHeight = Math.max(maxHeight, childHeight);
}
}
// account for padding
maxWidth += getPaddingLeft() + getPaddingRight();
maxHeight += getPaddingTop() + getPaddingBottom();
// Account for border
// int padding = Math.round(borderHelper.calculatePadding());
// maxWidth += padding;
// maxHeight += padding;
// check minimums
maxWidth = Math.max(maxWidth, getSuggestedMinimumWidth());
maxHeight = Math.max(maxHeight, getSuggestedMinimumHeight());
int measuredWidth = getMeasuredWidth(maxWidth, widthMeasureSpec);
int measuredHeight = getMeasuredHeight(maxHeight, heightMeasureSpec);
setMeasuredDimension(measuredWidth, measuredHeight);
}
