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A juce AutoReleasePool
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| #include <JuceHeader.h> | |
| class AutoReleasePool : private juce::Timer | |
| { | |
| public: | |
| using Ptr = juce::ReferenceCountedObjectPtr<juce::ReferenceCountedObject>; | |
| AutoReleasePool() | |
| { | |
| startTimerHz (1); | |
| } | |
| void addToPool (Ptr object) | |
| { | |
| for (auto& item : pool) | |
| if (item.get() == object.get()) | |
| return; | |
| pool.push_back (object); | |
| } | |
| int getNumObjects() const | |
| { | |
| juce::MessageManagerLock lock; | |
| return int (pool.size()); | |
| } | |
| private: | |
| void timerCallback() override | |
| { | |
| pool.erase (std::remove_if (pool.begin(), pool.end(), | |
| [](auto& item) | |
| { | |
| return item->getReferenceCount() < 2; | |
| }), | |
| pool.end()); | |
| } | |
| std::vector<Ptr> pool; | |
| JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (AutoReleasePool) | |
| }; | |
| class FooObject : public juce::ReferenceCountedObject | |
| { | |
| public: | |
| FooObject() = default; | |
| using Ptr = juce::ReferenceCountedObjectPtr<FooObject>; | |
| private: | |
| JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (FooObject) | |
| }; | |
| //============================================================================== | |
| int main (int argc, char* argv[]) | |
| { | |
| juce::ScopedJuceInitialiser_GUI app; | |
| AutoReleasePool pool; | |
| { | |
| FooObject::Ptr object (new FooObject()); | |
| pool.addToPool (object); | |
| for (int i = 0; i < 5; ++i) | |
| { | |
| DBG ("Elements in pool " << pool.getNumObjects()); | |
| juce::Thread::sleep (500); | |
| juce::MessageManager::getInstance()->runDispatchLoopUntil (500); | |
| } | |
| } | |
| juce::MessageManager::getInstance()->runDispatchLoopUntil (1000); | |
| DBG ("Elements in pool " << pool.getNumObjects()); | |
| return 0; | |
| } |
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