// Handle the FLOWGRAPH_REMOVE_LINK message.
// Returns TRUE if the message was handled, otherwise FALSE.
UtlBoolean MpFlowGraphBase::handleRemoveLink(MpResource* pFrom, int outPortIdx)
{
int connectedPort;
MpResource* pConnectedResource;
// make sure the resource is part of this flow graph
if (pFrom->getFlowGraph() != this)
{
Zprintf("handleRemoveLink: pFrom->getFlowGraph() != this: 0x%p != 0x%p\n",
(pFrom->getFlowGraph()), this, 0,0,0,0);
assert(FALSE);
return FALSE;
}
// get information about the downstream end of the link
pFrom->getOutputInfo(outPortIdx, pConnectedResource, connectedPort);
// disconnect the upstream end of the link
if (pFrom->disconnectOutput(outPortIdx) == FALSE)
{
Zprintf("handleRemoveLink: disconnectOutput(0x%p, %d) failed\n",
pFrom, outPortIdx, 0,0,0,0);
assert(FALSE); // couldn't disconnect
return FALSE;
}
// disconnect the downstream end of the link
if (pConnectedResource->disconnectInput(connectedPort) == FALSE)
{
Zprintf("handleRemoveLink: disconnectInput(0x%p, %d) failed\n",
pConnectedResource, connectedPort, 0,0,0,0);
assert(FALSE); // couldn't disconnect
return FALSE;
}
mLinkCnt--;
mRecomputeOrder = TRUE;
return TRUE;
}
