4d40d670a1
Reason ====== Each message in an IM/chat session has a header. The header shows an (i) button on hover and hides it when mouse leaves the header. The button is shown by adding it as a header child and hidden by resetting the button parent. So, if you close the IM session so that the hovered header doesn't get the MouseLeave message (e.g. by Ctrl+W), the button gets destroyed. If you then open the IM session again and hover a message header, the destroyed button is referenced, which leads to crash. Fix === We make sure that when a hovered message header is being destroyed (by closing the IM session), the button is detached (i.e. its parent gets reset), so that it remains usable. I also add a couple of checks for the case when the (i) button fails to construct from XML file. Reviewed by Mike Antipov at https://codereview.productengine.com/secondlife/r/783/ --HG-- branch : product-engine |
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