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dexed/JuceLibraryCode/modules/juce_events/timers/juce_MultiTimer.cpp

105 lines
3.0 KiB

/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2013 - Raw Material Software 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 MultiTimerCallback : public Timer
{
MultiTimerCallback (const int tid, MultiTimer& mt) noexcept
: owner (mt), timerID (tid)
{
}
void timerCallback() override
{
owner.timerCallback (timerID);
}
MultiTimer& owner;
const int timerID;
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (MultiTimerCallback)
};
//==============================================================================
MultiTimer::MultiTimer() noexcept {}
MultiTimer::MultiTimer (const MultiTimer&) noexcept {}
MultiTimer::~MultiTimer()
{
const SpinLock::ScopedLockType sl (timerListLock);
timers.clear();
}
//==============================================================================
Timer* MultiTimer::getCallback (int timerID) const noexcept
{
for (int i = timers.size(); --i >= 0;)
{
MultiTimerCallback* const t = static_cast<MultiTimerCallback*> (timers.getUnchecked(i));
if (t->timerID == timerID)
return t;
}
return nullptr;
}
void MultiTimer::startTimer (const int timerID, const int intervalInMilliseconds) noexcept
{
const SpinLock::ScopedLockType sl (timerListLock);
Timer* timer = getCallback (timerID);
if (timer == nullptr)
timers.add (timer = new MultiTimerCallback (timerID, *this));
timer->startTimer (intervalInMilliseconds);
}
void MultiTimer::stopTimer (const int timerID) noexcept
{
const SpinLock::ScopedLockType sl (timerListLock);
if (Timer* const t = getCallback (timerID))
t->stopTimer();
}
bool MultiTimer::isTimerRunning (const int timerID) const noexcept
{
const SpinLock::ScopedLockType sl (timerListLock);
if (Timer* const t = getCallback (timerID))
return t->isTimerRunning();
return false;
}
int MultiTimer::getTimerInterval (const int timerID) const noexcept
{
const SpinLock::ScopedLockType sl (timerListLock);
if (Timer* const t = getCallback (timerID))
return t->getTimerInterval();
return 0;
}