refactor: return list of currently passthrough'd/input'd apps instead of size

src/helper/audio/linux/backend.hpp

@@ -2,6 +2,7 @@
 #if defined(__linux__)
 #include <core/enums/enums.hpp>
 #include <memory>
+#include <set>
 #include <string>
 #include <vector>
 
@@ -39,8 +40,8 @@ namespace Soundux
             virtual bool revertDefault() = 0;
             virtual bool muteInput(bool) = 0;
 
-            virtual bool isCurrentlyPassingThrough() = 0;
-            virtual std::size_t passedThroughApplications() = 0;
+            virtual std::set<std::string> currentlyInputApps() = 0;
+            virtual std::set<std::string> currentlyPassedThrough() = 0;
 
             virtual bool stopAllPassthrough() = 0;
             virtual bool stopPassthrough(const std::string &) = 0;

src/helper/audio/linux/pipewire/pipewire.cpp

@@ -668,9 +668,25 @@ namespace Soundux::Objects
         return success;
     }
 
-    bool PipeWire::isCurrentlyPassingThrough()
+    std::set<std::string> PipeWire::currentlyInputApps()
     {
-        return !passthroughLinks.empty();
+        std::set<std::string> rtn;
+        for (const auto &[app, links] : soundInputLinks)
+        {
+            rtn.emplace(app);
+        }
+
+        return rtn;
+    }
+    std::set<std::string> PipeWire::currentlyPassedThrough()
+    {
+        std::set<std::string> rtn;
+        for (const auto &[app, links] : passthroughLinks)
+        {
+            rtn.emplace(app);
+        }
+
+        return rtn;
     }
 
     bool PipeWire::stopPassthrough(const std::string &name)
@@ -701,10 +717,5 @@ namespace Soundux::Objects
         passthroughLinks.clear();
         return true;
     }
-
-    std::size_t PipeWire::passedThroughApplications()
-    {
-        return passthroughLinks.size();
-    }
 } // namespace Soundux::Objects
 #endif

src/helper/audio/linux/pipewire/pipewire.hpp

@@ -103,9 +103,10 @@ namespace Soundux
             bool revertDefault() override;
             bool muteInput(bool state) override;
 
+            std::set<std::string> currentlyInputApps() override;
+            std::set<std::string> currentlyPassedThrough() override;
+
             bool stopAllPassthrough() override;
-            bool isCurrentlyPassingThrough() override;
-            std::size_t passedThroughApplications() override;
             bool stopPassthrough(const std::string &name) override;
             bool passthroughFrom(std::shared_ptr<PlaybackApp> app) override;
 

src/helper/audio/linux/pulseaudio/pulseaudio.cpp

@@ -635,11 +635,6 @@ namespace Soundux::Objects
         return success;
     }
 
-    bool PulseAudio::isCurrentlyPassingThrough()
-    {
-        return !movedPassthroughApplications.empty();
-    }
-
     bool PulseAudio::switchOnConnectPresent()
     {
         bool isPresent = false;
@@ -702,9 +697,26 @@ namespace Soundux::Objects
 
         return false;
     }
-    std::size_t PulseAudio::passedThroughApplications()
+
+    std::set<std::string> PulseAudio::currentlyInputApps()
     {
-        return movedPassthroughApplications.size();
+        std::set<std::string> rtn;
+        for (const auto &[app, original] : movedApplications)
+        {
+            rtn.emplace(app);
+        }
+
+        return rtn;
+    }
+    std::set<std::string> PulseAudio::currentlyPassedThrough()
+    {
+        std::set<std::string> rtn;
+        for (const auto &[app, original] : movedPassthroughApplications)
+        {
+            rtn.emplace(app);
+        }
+
+        return rtn;
     }
 } // namespace Soundux::Objects
 #endif

src/helper/audio/linux/pulseaudio/pulseaudio.hpp

@@ -76,9 +76,10 @@ namespace Soundux
             bool revertDefault() override;
             bool muteInput(bool state) override;
 
+            std::set<std::string> currentlyInputApps() override;
+            std::set<std::string> currentlyPassedThrough() override;
+
             bool stopAllPassthrough() override;
-            bool isCurrentlyPassingThrough() override;
-            std::size_t passedThroughApplications() override;
             bool stopPassthrough(const std::string &name) override;
             bool passthroughFrom(std::shared_ptr<PlaybackApp> app) override;