using namespace std;
using namespace PBD;
-AudioPlaylist::State::~State ()
-{
-}
-
AudioPlaylist::AudioPlaylist (Session& session, const XMLNode& node, bool hidden)
: Playlist (session, node, hidden)
{
- in_set_state = true;
+ in_set_state++;
set_state (node);
- in_set_state = false;
-
- save_state (_("initial state"));
+ in_set_state--;
if (!hidden) {
PlaylistCreated (this); /* EMIT SIGNAL */
AudioPlaylist::AudioPlaylist (Session& session, string name, bool hidden)
: Playlist (session, name, hidden)
{
- save_state (_("initial state"));
-
if (!hidden) {
PlaylistCreated (this); /* EMIT SIGNAL */
}
AudioPlaylist::AudioPlaylist (const AudioPlaylist& other, string name, bool hidden)
: Playlist (other, name, hidden)
{
- save_state (_("initial state"));
-
RegionList::const_iterator in_o = other.regions.begin();
RegionList::iterator in_n = regions.begin();
AudioPlaylist::AudioPlaylist (const AudioPlaylist& other, nframes_t start, nframes_t cnt, string name, bool hidden)
: Playlist (other, start, cnt, name, hidden)
{
- save_state (_("initial state"));
-
/* this constructor does NOT notify others (session) */
}
notify_callbacks ();
- for (Crossfades::iterator x = _crossfades.begin(); x != _crossfades.end(); ++x) {
- all_xfades.insert (*x);
- }
-
- for (StateMap::iterator i = states.begin(); i != states.end(); ++i) {
-
- AudioPlaylist::State* apstate = dynamic_cast<AudioPlaylist::State*> (*i);
-
- for (Crossfades::iterator xf = apstate->crossfades.begin(); xf != apstate->crossfades.end(); ++xf) {
- all_xfades.insert (*xf);
- }
+ for (Crossfades::iterator x = _crossfades.begin(); x != _crossfades.end(); ) {
+ Crossfades::iterator tmp;
- delete apstate;
- }
+ tmp = x;
+ ++tmp;
- /* delete every crossfade */
+ delete *x;
- for (set<Crossfade *>::iterator axf = all_xfades.begin(); axf != all_xfades.end(); ++axf) {
- delete *axf;
+ x = tmp;
}
}
{
Crossfades::iterator i, tmp;
boost::shared_ptr<AudioRegion> r = boost::dynamic_pointer_cast<AudioRegion> (region);
+
+ if (in_set_state) {
+ return;
+ }
if (r == 0) {
fatal << _("programming error: non-audio Region passed to remove_overlap in audio playlist")
tmp = i;
tmp++;
+
if ((*i)->involves (r)) {
- /* do not delete crossfades */
- _crossfades.erase (i);
+ delete *i;
}
i = tmp;
add_crossfade (*xfade);
} else {
-
- xfade = new Crossfade (other, region, Config->get_xfade_model(), Config->get_crossfades_active());
+
+ xfade = new Crossfade (other, region, Config->get_xfade_model(), Config->get_xfades_active());
add_crossfade (*xfade);
}
}
XMLNodeList nlist;
XMLNodeConstIterator niter;
- if (!in_set_state) {
- Playlist::set_state (node);
- }
+ in_set_state++;
+ freeze ();
+
+ Playlist::set_state (node);
nlist = node.children();
child = *niter;
- if (child->name() == "Crossfade") {
-
- Crossfade *xfade;
-
- try {
- xfade = new Crossfade (*((const Playlist *)this), *child);
- }
-
- catch (failed_constructor& err) {
- // cout << string_compose (_("could not create crossfade object in playlist %1"),
- // _name)
- // << endl;
- continue;
- }
-
- Crossfades::iterator ci;
-
- for (ci = _crossfades.begin(); ci != _crossfades.end(); ++ci) {
- if (*(*ci) == *xfade) {
- break;
- }
- }
-
- if (ci == _crossfades.end()) {
- _crossfades.push_back (xfade);
- xfade->Invalidated.connect (mem_fun (*this, &AudioPlaylist::crossfade_invalidated));
- xfade->StateChanged.connect (mem_fun (*this, &AudioPlaylist::crossfade_changed));
- NewCrossfade(xfade);
- } else {
- delete xfade;
- }
- }
-
- }
-
- return 0;
-}
-
-void
-AudioPlaylist::drop_all_states ()
-{
- set<Crossfade*> all_xfades;
- set<boost::shared_ptr<Region> > all_regions;
-
- /* find every region we've ever used, and add it to the set of
- all regions. same for xfades;
- */
-
- for (StateMap::iterator i = states.begin(); i != states.end(); ++i) {
-
- AudioPlaylist::State* apstate = dynamic_cast<AudioPlaylist::State*> (*i);
-
- for (RegionList::iterator r = apstate->regions.begin(); r != apstate->regions.end(); ++r) {
- all_regions.insert (*r);
- }
-
- for (Crossfades::iterator xf = apstate->crossfades.begin(); xf != apstate->crossfades.end(); ++xf) {
- all_xfades.insert (*xf);
+ if (child->name() != "Crossfade") {
+ continue;
}
- }
-
- /* now remove from the "all" lists every region that is in the current list. */
- for (RegionList::iterator i = regions.begin(); i != regions.end(); ++i) {
- set<boost::shared_ptr<Region> >::iterator x = all_regions.find (*i);
- if (x != all_regions.end()) {
- all_regions.erase (x);
+ try {
+ Crossfade* xfade = new Crossfade (*((const Playlist *)this), *child);
+ _crossfades.push_back (xfade);
+ xfade->Invalidated.connect (mem_fun (*this, &AudioPlaylist::crossfade_invalidated));
+ xfade->StateChanged.connect (mem_fun (*this, &AudioPlaylist::crossfade_changed));
+ NewCrossfade(xfade);
}
- }
-
- /* ditto for every crossfade */
-
- for (list<Crossfade*>::iterator i = _crossfades.begin(); i != _crossfades.end(); ++i) {
- set<Crossfade*>::iterator x = all_xfades.find (*i);
- if (x != all_xfades.end()) {
- all_xfades.erase (x);
+
+ catch (failed_constructor& err) {
+ // cout << string_compose (_("could not create crossfade object in playlist %1"),
+ // _name)
+ // << endl;
+ continue;
}
}
- /* delete every crossfade that is left (ditto as per regions) */
-
- for (set<Crossfade *>::iterator axf = all_xfades.begin(); axf != all_xfades.end(); ++axf) {
- delete *axf;
- }
-
- /* Now do the generic thing ... */
+ thaw ();
+ in_set_state++;
- StateManager::drop_all_states ();
+ return 0;
}
-StateManager::State*
-AudioPlaylist::state_factory (std::string why) const
+void
+AudioPlaylist::clear (bool with_signals)
{
- State* state = new State (why);
-
- state->regions = regions;
- state->region_states.clear ();
- for (RegionList::const_iterator i = regions.begin(); i != regions.end(); ++i) {
- state->region_states.push_back ((*i)->get_memento());
- }
-
- state->crossfades = _crossfades;
- state->crossfade_states.clear ();
- for (Crossfades::const_iterator i = _crossfades.begin(); i != _crossfades.end(); ++i) {
- state->crossfade_states.push_back ((*i)->get_memento());
- }
- return state;
-}
-
-Change
-AudioPlaylist::restore_state (StateManager::State& state)
-{
- {
- RegionLock rlock (this);
- State* apstate = dynamic_cast<State*> (&state);
-
- in_set_state = true;
+ for (Crossfades::iterator i = _crossfades.begin(); i != _crossfades.end(); ) {
- regions = apstate->regions;
-
- for (list<UndoAction>::iterator s = apstate->region_states.begin(); s != apstate->region_states.end(); ++s) {
- (*s) ();
- }
+ Crossfades::iterator tmp;
+ tmp = i;
+ ++tmp;
- _crossfades = apstate->crossfades;
-
- for (list<UndoAction>::iterator s = apstate->crossfade_states.begin(); s != apstate->crossfade_states.end(); ++s) {
- (*s) ();
- }
+ delete *i;
- in_set_state = false;
+ i = tmp;
}
- notify_length_changed ();
- return Change (~0);
-}
-
-UndoAction
-AudioPlaylist::get_memento () const
-{
- return sigc::bind (mem_fun (*(const_cast<AudioPlaylist*> (this)), &StateManager::use_state), _current_state_id);
-}
-
-void
-AudioPlaylist::clear (bool with_save)
-{
_crossfades.clear ();
- Playlist::clear (with_save);
+ Playlist::clear (with_signals);
}
XMLNode&
c = ctmp;
}
- for (StateMap::iterator s = states.begin(); s != states.end(); ) {
- StateMap::iterator tmp;
-
- tmp = s;
- ++tmp;
-
- State* astate = dynamic_cast<State*> (*s);
-
- for (c = astate->crossfades.begin(); c != astate->crossfades.end(); ) {
-
- ctmp = c;
- ++ctmp;
-
- if ((*c)->involves (r)) {
- unique_xfades.insert (*c);
- _crossfades.erase (c);
- }
-
- c = ctmp;
- }
-
- list<UndoAction>::iterator rsi, rsitmp;
- RegionList::iterator ri, ritmp;
-
- for (ri = astate->regions.begin(), rsi = astate->region_states.begin();
- ri != astate->regions.end() && rsi != astate->region_states.end();) {
-
-
- ritmp = ri;
- ++ritmp;
-
- rsitmp = rsi;
- ++rsitmp;
-
- if (region == (*ri)) {
- astate->regions.erase (ri);
- astate->region_states.erase (rsi);
- }
-
- ri = ritmp;
- rsi = rsitmp;
- }
-
- s = tmp;
- }
-
for (set<Crossfade*>::iterator c = unique_xfades.begin(); c != unique_xfades.end(); ++c) {
delete *c;
}
that occured.
*/
- maybe_save_state (_("xfade change"));
-
notify_modified ();
}
parent_wants_notify = Playlist::region_changed (what_changed, region);
- maybe_save_state (_("region modified"));
-
if ((parent_wants_notify || (what_changed & our_interests))) {
notify_modified ();
}