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/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2017 - ROLI Ltd.
JUCE is an open source library subject to commercial or open-source
licensing.
By using JUCE, you agree to the terms of both the JUCE 5 End-User License
Agreement and JUCE 5 Privacy Policy (both updated and effective as of the
27th April 2017).
End User License Agreement: www.juce.com/juce-5-licence
Privacy Policy: www.juce.com/juce-5-privacy-policy
Or: You may also use this code under the terms of the GPL v3 (see
www.gnu.org/licenses).
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
DISCLAIMED.
==============================================================================
*/
#pragma once
//==============================================================================
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 ([&] (Listener& l) { l.classListChanged (newList); });
}
private:
StringArray activities;
ListenerList<Listener> listeners;
static void checkThread()
{
JUCE_ASSERT_MESSAGE_THREAD
}
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (ActivityList)
};
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