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/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2015 - ROLI Ltd.
Permission is granted to use this software under the terms of either:
a) the GPL v2 (or any later version)
b) the Affero GPL v3
Details of these licenses can be found at: www.gnu.org/licenses
JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
------------------------------------------------------------------------------
To release a closed-source product which uses JUCE, commercial licenses are
available: visit www.juce.com for more information.
==============================================================================
*/
struct ActivityList : public ChangeBroadcaster
{
ActivityList() {}
void setList (const StringArray& newList)
{
checkThread();
if (activities != newList)
{
const bool wasEmpty = isEmpty();
activities = newList;
sendChangeMessage();
if (wasEmpty != isEmpty())
ProjucerApplication::getCommandManager().commandStatusChanged();
}
}
void clear()
{
setList (StringArray());
}
StringArray getActivities() const
{
checkThread();
StringArray s;
for (auto a : activities)
s.add (a.upToFirstOccurrenceOf ("|||", false, false));
return s;
}
bool isEmpty() const noexcept
{
return activities.size() == 0;
}
int getNumActivities() const
{
checkThread();
return activities.size();
}
struct Listener
{
virtual ~Listener() {}
virtual void classListChanged (const ClassDatabase::ClassList&) = 0;
};
void addListener (Listener* l)
{
checkThread();
listeners.add (l);
}
void removeListener (Listener* l)
{
checkThread();
listeners.remove (l);
}
void sendClassListChangedMessage (const ClassDatabase::ClassList& newList)
{
checkThread();
listeners.call (&ActivityList::Listener::classListChanged, newList);
}
private:
StringArray activities;
ListenerList<Listener> listeners;
static void checkThread()
{
jassert (MessageManager::getInstance()->isThisTheMessageThread());
}
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (ActivityList)
};
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