/**
* Sets the size of the view. This should cause layout of the view along the given axis, if it has
* any layout duties.
*
* @param width the width >= 0
* @param height the height >= 0
*/
public void setSize(float width, float height) {
updateMetrics();
if ((int) width != getWidth()) {
// invalidate the view itself since the childrens
// desired widths will be based upon this views width.
preferenceChanged(null, true, true);
widthChanging = true;
}
super.setSize(width, height);
widthChanging = false;
}
/**
* Lays out the children. If the span along the flow axis has changed, layout is marked as invalid
* which which will cause the superclass behavior to recalculate the layout along the box axis.
* The FlowStrategy.layout method will be called to rebuild the flow rows as appropriate. If the
* height of this view changes (determined by the perferred size along the box axis), a
* preferenceChanged is called. Following all of that, the normal box layout of the superclass is
* performed.
*
* @param width the width to lay out against >= 0. This is the width inside of the inset area.
* @param height the height to lay out against >= 0 This is the height inside of the inset area.
*/
protected void layout(int width, int height) {
final int faxis = getFlowAxis();
int newSpan;
if (faxis == X_AXIS) {
newSpan = (int) width;
} else {
newSpan = (int) height;
}
if (layoutSpan != newSpan) {
layoutChanged(faxis);
layoutChanged(getAxis());
layoutSpan = newSpan;
}
// repair the flow if necessary
if (!isLayoutValid(faxis)) {
final int heightAxis = getAxis();
int oldFlowHeight = (int) ((heightAxis == X_AXIS) ? getWidth() : getHeight());
strategy.layout(this);
int newFlowHeight = (int) getPreferredSpan(heightAxis);
if (oldFlowHeight != newFlowHeight) {
View p = getParent();
if (p != null) {
p.preferenceChanged(this, (heightAxis == X_AXIS), (heightAxis == Y_AXIS));
}
// PENDING(shannonh)
// Temporary fix for 4250847
// Can be removed when TraversalContext is added
Component host = getContainer();
if (host != null) {
// nb idk 12/12/2001 host should not be equal to null. We need to add assertion here
host.repaint();
}
}
}
super.layout(width, height);
}