Add Plugin::HasDevice()

Author: gavv

include/aspl/Plugin.hpp

@@ -101,6 +101,9 @@ class Plugin : public Object
     //! Returns nullptr if there is no such device.
     std::shared_ptr<Device> GetDeviceByID(AudioObjectID deviceID) const;
 
+    //! Check if device is already added.
+    bool HasDevice(std::shared_ptr<Device> device) const;
+
     //! Add device to the plugin.
     //! Adds device to the owned object list.
     void AddDevice(std::shared_ptr<Device> device);

src/Plugin.cpp

@@ -78,6 +78,15 @@ std::shared_ptr<Device> Plugin::GetDeviceByID(AudioObjectID deviceID) const
     return deviceByID.at(deviceID);
 }
 
+bool Plugin::HasDevice(std::shared_ptr<Device> device) const
+{
+    auto readLock = deviceByID_.GetReadLock();
+
+    const auto& deviceByID = readLock.GetReference();
+
+    return deviceByID.count(device->GetID());
+}
+
 void Plugin::AddDevice(std::shared_ptr<Device> device)
 {
     std::lock_guard writeLock(writeMutex_);