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More const qualifiers, for copying of tracks, and replacing in lists of tracks

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... (the tracks may be const, not the list, when replacing)
This commit is contained in:
Paul Licameli
2016-02-27 17:29:21 -05:00
parent 36f3f8aab2
commit 48a5f55179
11 changed files with 35 additions and 24 deletions
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18
src/Track.cpp
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@@ -132,7 +132,7 @@ Track::~Track()
}
const TrackListNode *Track::GetNode()
const TrackListNode *Track::GetNode() const
{
return mNode;
}
@@ -837,18 +837,22 @@ void TrackList::AddToHead(Track * t)
ResizedEvent(n);
}
void TrackList::Replace(Track * t, Track * with, bool deletetrack)
void TrackList::Replace(const Track * t, const Track * with, bool deletetrack)
{
if (t && with) {
TrackListNode *node = (TrackListNode *) t->GetNode();
Track *const mutableT = const_cast<Track*>(t);
Track *const mutableWith = const_cast<Track*>(with);
t->SetOwner(NULL, NULL);
if (mutableT && with) {
TrackListNode *node =
const_cast<TrackListNode *>(mutableT->GetNode());
mutableT->SetOwner(NULL, NULL);
if (deletetrack) {
delete t;
}
node->t = with;
with->SetOwner(this, node);
node->t = mutableWith;
mutableWith->SetOwner(this, node);
RecalcPositions(node);
UpdatedEvent(node);
ResizedEvent(node);