private void centerAboutIcon() {
DragLayer.LayoutParams lp = (DragLayer.LayoutParams) getLayoutParams();
int width = getPaddingLeft() + getPaddingRight() + mContent.getDesiredWidth();
int height =
getPaddingTop() + getPaddingBottom() + mContent.getDesiredHeight() + mFolderNameHeight;
DragLayer parent = (DragLayer) mLauncher.findViewById(R.id.drag_layer);
parent.getDescendantRectRelativeToSelf(mFolderIcon, mTempRect);
int centerX = mTempRect.centerX();
int centerY = mTempRect.centerY();
int centeredLeft = centerX - width / 2;
int centeredTop = centerY - height / 2;
// We first fetch the currently visible CellLayoutChildren
CellLayout currentPage = mLauncher.getWorkspace().getCurrentDropLayout();
CellLayoutChildren boundingLayout = currentPage.getChildrenLayout();
Rect bounds = new Rect();
parent.getDescendantRectRelativeToSelf(boundingLayout, bounds);
// We need to bound the folder to the currently visible CellLayoutChildren
int left = Math.min(Math.max(bounds.left, centeredLeft), bounds.left + bounds.width() - width);
int top = Math.min(Math.max(bounds.top, centeredTop), bounds.top + bounds.height() - height);
// If the folder doesn't fit within the bounds, center it about the desired bounds
if (width >= bounds.width()) {
left = bounds.left + (bounds.width() - width) / 2;
}
if (height >= bounds.height()) {
top = bounds.top + (bounds.height() - height) / 2;
}
int folderPivotX = width / 2 + (centeredLeft - left);
int folderPivotY = height / 2 + (centeredTop - top);
setPivotX(folderPivotX);
setPivotY(folderPivotY);
int folderIconPivotX = (int) (mFolderIcon.getMeasuredWidth() * (1.0f * folderPivotX / width));
int folderIconPivotY = (int) (mFolderIcon.getMeasuredHeight() * (1.0f * folderPivotY / height));
mFolderIcon.setPivotX(folderIconPivotX);
mFolderIcon.setPivotY(folderIconPivotY);
if (mMode == PARTIAL_GROW) {
lp.width = width;
lp.height = height;
lp.x = left;
lp.y = top;
} else {
mNewSize.set(left, top, left + width, top + height);
}
}
