SoundPlayer: Optionally allow playback to loop indefinitely

Applications/SoundPlayer/PlaybackManager.cpp

@@ -73,6 +73,11 @@ void PlaybackManager::play()
     set_paused(false);
 }
 
+void PlaybackManager::loop(bool loop)
+{
+    m_loop = loop;
+}
+
 void PlaybackManager::seek(const int position)
 {
     if (!m_loader)
@@ -166,7 +171,10 @@ void PlaybackManager::next_buffer()
     if (!m_next_buffer) {
         if (!m_connection->get_remaining_samples() && !m_paused) {
             dbgln("Exhausted samples :^)");
-            stop();
+            if (m_loop)
+                seek(0);
+            else
+                stop();
         }
 
         return;

Applications/SoundPlayer/PlaybackManager.h

@@ -43,6 +43,7 @@ public:
     void stop();
     void pause();
     void seek(const int position);
+    void loop(bool);
     bool toggle_pause();
     void set_loader(OwnPtr<Audio::WavLoader>&&);
 
@@ -62,6 +63,7 @@ private:
     void remove_dead_buffers();
 
     bool m_paused { true };
+    bool m_loop = { false };
     size_t m_next_ptr { 0 };
     size_t m_last_seek { 0 };
     float m_total_length { 0 };

Applications/SoundPlayer/main.cpp

@@ -90,6 +90,14 @@ int main(int argc, char** argv)
         app->quit();
     }));
 
+    auto& playback_menu = menubar->add_menu("Playback");
+
+    auto loop = GUI::Action::create_checkable("Loop", { Mod_Ctrl, Key_R }, [&](auto& action) {
+        player.manager().loop(action.is_checked());
+    });
+
+    playback_menu.add_action(move(loop));
+
     auto& help_menu = menubar->add_menu("Help");
     help_menu.add_action(GUI::Action::create("About", [&](auto&) {
         GUI::AboutDialog::show("SoundPlayer", Gfx::Bitmap::load_from_file("/res/icons/32x32/app-sound-player.png"), window);