void
remove_observer (observer& o, observer what) {
if (is_nil (o)) return;
else if (o == what) o= nil_observer;
else {
remove_observer (o->get_child (0), what);
remove_observer (o->get_child (1), what);
}
}
void
tree_addendum_rep::notify_insert_node (tree& ref, int pos) {
//cout << "Notify insert node " << ref << ", " << pos << "\n";
// NOTE: should we remove the 'false'? see also tree_pointer.cpp
if (keep && false) {
remove_observer (ref[pos]->obs, observer (this));
ptr= ref.rep;
insert_observer (ref->obs, observer (this));
}
//cout << "position -> " << obtain_position (observer (this)) << "\n";
}
void MediaRoutingView::DetachedFromWindow()
{
D_METHOD(("MediaRoutingView::DetachedFromWindow()\n"));
_inherited::DetachedFromWindow();
status_t error;
// detach from manager
if (manager)
{
Autolock lock(manager);
void *cookie = 0;
NodeRef *ref;
while (manager->getNextRef(&ref, &cookie) == B_OK)
{
remove_observer(this, ref);
}
error = remove_observer(this, manager);
const_cast<RouteAppNodeManager *&>(manager) = 0;
}
}
bool
tree_addendum_rep::set_tree (tree t) {
if (ptr != t.rep) {
tree ref (ptr);
remove_observer (ref->obs, observer (this));
if (keep) {
ptr= t.rep;
insert_observer (t->obs, observer (this));
}
// FIXME: if !keep, then is it safe to not reinsert the observer?
}
return true;
}
status_t MediaRoutingView::_removePanelFor(
media_node_id id)
{
D_METHOD(("MediaRoutingView::_removePanelFor()\n"));
MediaNodePanel *panel;
if (_findPanelFor(id, &panel) == B_OK)
{
if (removeItem(panel))
{
remove_observer(this, panel->ref);
Invalidate(panel->frame());
delete panel;
return B_OK;
}
}
return B_ERROR;
}
virtual void unsubscribe(i_item_selection_model_subscriber& aSubscriber)
{
remove_observer(aSubscriber);
}
void
detach_observer (tree& ref, observer o) {
remove_observer (ref->obs, o);
}
void MediaRoutingView::MessageReceived(
BMessage* message)
{
D_METHOD(("MediaRoutingView::MessageReceived()\n"));
switch (message->what)
{
case B_MEDIA_NODE_CREATED:
{
D_MESSAGE(("MediaRoutingView::MessageReceived(B_MEDIA_NODE_CREATED)\n"));
type_code type;
int32 count;
if (message->GetInfo("media_node_id", &type, &count) == B_OK)
{
for(int32 n = 0; n < count; n++)
{
int32 id;
if (message->FindInt32("media_node_id", n, &id) == B_OK)
{
// [e.moon 8dec99] allow for existing panel
MediaNodePanel* panel;
if(_findPanelFor(id, &panel) < B_OK)
_addPanelFor(id, BPoint(5.0, 5.0));
}
}
}
break;
}
case B_MEDIA_NODE_DELETED:
{
D_MESSAGE(("MediaRoutingView::MessageReceived(B_MEDIA_NODE_DELETED)\n"));
type_code type;
int32 count;
if (message->GetInfo("media_node_id", &type, &count) == B_OK)
{
for (int32 n = 0; n < count; n++)
{
int32 id;
if (message->FindInt32("media_node_id", n, &id) == B_OK)
{
_removePanelFor(id);
}
}
}
break;
}
case B_MEDIA_CONNECTION_MADE:
{
D_MESSAGE(("MediaRoutingView::MessageReceived(B_MEDIA_CONNECTION_MADE)\n"));
type_code type;
int32 count;
if (message->GetInfo("output", &type, &count) == B_OK)
{
for (int32 n = 0; n < count; n++)
{
media_output output;
const void *data;
ssize_t dataSize;
if (message->FindData("output", B_RAW_TYPE, n, &data, &dataSize) == B_OK)
{
output = *reinterpret_cast<const media_output *>(data);
Connection connection;
if (manager->findConnection(output.node.node, output.source, &connection) == B_OK)
{
_addWireFor(connection);
}
}
}
}
break;
}
case B_MEDIA_CONNECTION_BROKEN:
{
D_MESSAGE(("MediaRoutingView::MessageReceived(B_MEDIA_CONNECTION_BROKEN)\n"));
type_code type;
int32 count;
if (message->GetInfo("__connection_id", &type, &count) == B_OK)
{
for (int32 n = 0; n < count; n++)
{
int32 id;
if (message->FindInt32("__connection_id", n, &id) == B_OK)
{
_removeWireFor(id);
}
}
}
break;
}
case B_MEDIA_FORMAT_CHANGED:
{
D_MESSAGE(("MediaRoutingView::MessageReceived(B_MEDIA_FORMAT_CHANGED)\n"));
media_node_id nodeID;
if(message->FindInt32("__source_node_id", &nodeID) < B_OK)
break;
uint32 connectionID;
if(message->FindInt32("__connection_id", (int32*)&connectionID) < B_OK)
break;
media_source* source;
ssize_t dataSize;
if(message->FindData("be:source", B_RAW_TYPE, (const void**)&source, &dataSize) < B_OK)
break;
MediaWire* wire;
if(_findWireFor(connectionID, &wire) == B_OK) {
// copy new connection data
manager->findConnection(nodeID, *source, &wire->connection);
}
break;
}
case M_CLEANUP_REQUESTED:
{
D_MESSAGE(("MediaRoutingView::MessageReceived(M_M_CLEANUP_REQUESTED)\n"));
cleanUp();
break;
}
case M_SELECT_ALL:
{
D_MESSAGE(("MediaRoutingView::MessageReceived(M_SELECT_ALL)\n"));
selectAll(DiagramItem::M_BOX);
break;
}
case M_DELETE_SELECTION:
{
D_MESSAGE(("MediaRoutingView::MessageReceived(M_DELETE_SELECTION)\n"));
_deleteSelection();
break;
}
case M_NODE_CHANGE_CYCLING:
{
D_MESSAGE(("MediaRoutingView::MessageReceived(M_NODE_CYCLING_CHANGED)\n"));
bool cycle;
if (message->FindBool("cycle", &cycle) == B_OK)
{
_changeCyclingForSelection(cycle);
}
break;
}
case M_NODE_CHANGE_RUN_MODE:
{
D_MESSAGE(("MediaRoutingView::MessageReceived(M_NODE_RUNMODE_CHANGED)\n"));
int32 mode;
if (message->FindInt32("run_mode", &mode) == B_OK)
{
_changeRunModeForSelection(static_cast<uint32>(mode));
}
break;
}
case M_LAYOUT_CHANGED:
{
D_MESSAGE(("MediaRoutingView::MessageReceived(M_LAYOUT_CHANGED)\n"));
layout_t layout;
if (message->FindInt32("layout", (int32*)&layout) == B_OK)
{
if (layout != m_layout)
{
layoutChanged(layout);
updateDataRect();
Invalidate();
}
}
break;
}
case M_NODE_START_TIME_SOURCE:
{
D_MESSAGE(("MediaRoutingView::MessageReceived(M_NODE_START_TIME_SOURCE)\n"));
int32 id;
if(message->FindInt32("nodeID", &id) < B_OK)
break;
NodeRef* ref;
if(manager->getNodeRef(id, &ref) < B_OK)
break;
bigtime_t when = system_time();
status_t err = manager->roster->StartTimeSource(ref->node(), when);
if(err < B_OK) {
PRINT((
"! StartTimeSource(%ld): '%s'\n",
ref->id(), strerror(err)));
}
break;
}
case M_NODE_STOP_TIME_SOURCE:
{
D_MESSAGE(("MediaRoutingView::MessageReceived(M_NODE_STOP_TIME_SOURCE)\n"));
int32 id;
if(message->FindInt32("nodeID", &id) < B_OK)
break;
NodeRef* ref;
if(manager->getNodeRef(id, &ref) < B_OK)
break;
bigtime_t when = system_time();
status_t err = manager->roster->StopTimeSource(ref->node(), when);
if(err < B_OK) {
PRINT((
"! StopTimeSource(%ld): '%s'\n",
ref->id(), strerror(err)));
}
break;
}
case M_NODE_TWEAK_PARAMETERS: {
D_MESSAGE((" -> M_NODE_TWEAK_PARAMETERS\n"));
_openParameterWindowsForSelection();
break;
}
case M_NODE_START_CONTROL_PANEL: {
D_MESSAGE((" -> M_NODE_START_CONTROL_PANEL\n"));
_startControlPanelsForSelection();
break;
}
case M_GROUP_SET_LOCKED:
{
D_MESSAGE(("MediaRoutingView::MessageReceived(M_GROUP_SET_LOCKED)\n"));
int32 groupID;
if(message->FindInt32("groupID", &groupID) < B_OK)
break;
bool locked;
if(message->FindBool("locked", &locked) < B_OK)
break;
NodeGroup* group;
if(manager->findGroup(groupID, &group) < B_OK)
break;
uint32 f = locked ?
group->groupFlags() | NodeGroup::GROUP_LOCKED :
group->groupFlags() & ~NodeGroup::GROUP_LOCKED;
group->setGroupFlags(f);
break;
}
case M_BROADCAST_SELECTION: {
D_MESSAGE((" -> M_BROADCAST_SELECTION\n"));
_broadcastSelection();
break;
}
case InfoWindowManager::M_INFO_WINDOW_REQUESTED:
{
D_MESSAGE(("MediaRoutingView::MessageReceived(InfoView::M_INFO_WINDOW_REQUESTED)\n"));
type_code type;
int32 count;
if (message->GetInfo("input", &type, &count) == B_OK)
{
for (int32 i = 0; i < count; i++)
{
media_input input;
const void *data;
ssize_t dataSize;
if (message->FindData("input", B_RAW_TYPE, i, &data, &dataSize) == B_OK)
{
input = *reinterpret_cast<const media_input *>(data);
InfoWindowManager *manager = InfoWindowManager::Instance();
if (manager && manager->Lock()) {
manager->openWindowFor(input);
manager->Unlock();
}
}
}
}
else if (message->GetInfo("output", &type, &count) == B_OK)
{
for (int32 i = 0; i < count; i++)
{
media_output output;
const void *data;
ssize_t dataSize;
if (message->FindData("output", B_RAW_TYPE, i, &data, &dataSize) == B_OK)
{
output = *reinterpret_cast<const media_output *>(data);
InfoWindowManager *manager = InfoWindowManager::Instance();
if (manager && manager->Lock()) {
manager->openWindowFor(output);
manager->Unlock();
}
}
}
}
else
{
_openInfoWindowsForSelection();
}
break;
}
case NodeManager::M_RELEASED:
{
D_MESSAGE(("MediaRoutingView::MessageReceived(NodeManager::M_RELEASED)\n"));
remove_observer(this, manager);
const_cast<RouteAppNodeManager*&>(manager) = 0;
// +++++ disable view!
break;
}
case NodeRef::M_RELEASED:
{
D_MESSAGE(("MediaRoutingView::MessageReceived(NodeRef::M_RELEASED)\n"));
// only relevant on shutdown; do nothing
break;
}
default:
{
DiagramView::MessageReceived(message);
}
}
}
