Merge pull request 'Switch output mode to headphones when plugged in' (#90) from daniel/output_mode_switch into main

Reviewed-on: https://codeberg.org/cool-tech-zone/tangara-fw/pulls/90
Reviewed-by: cooljqln <cooljqln@noreply.codeberg.org>

src/tangara/audio/audio_events.hpp

@@ -16,6 +16,7 @@
 #include "tinyfsm.hpp"
 
 #include "database/track.hpp"
+#include "drivers/nvs.hpp"
 #include "types.hpp"
 
 namespace audio {
@@ -137,7 +138,9 @@ struct SetVolumeLimit : tinyfsm::Event {
   int limit_db;
 };
 
-struct OutputModeChanged : tinyfsm::Event {};
+struct OutputModeChanged : tinyfsm::Event {
+  std::optional<drivers::NvsStorage::Output> set_to;
+};
 
 namespace internal {
 

src/tangara/audio/audio_fsm.cpp

@@ -231,6 +231,16 @@ void AudioState::react(const internal::StreamEnded& ev) {
   sStreamCues.addCue({}, ev.cue_at_sample);
 }
 
+void AudioState::react(const system_fsm::HasPhonesChanged& ev) {
+  if (ev.has_headphones) {
+    events::Audio().Dispatch(audio::OutputModeChanged{.set_to = drivers::NvsStorage::Output::kHeadphones});
+  } else {
+    if (sServices->bluetooth().enabled()) {
+      events::Audio().Dispatch(audio::OutputModeChanged{.set_to = drivers::NvsStorage::Output::kBluetooth});
+    }
+  }
+}
+
 void AudioState::react(const system_fsm::BluetoothEvent& ev) {
   using drivers::bluetooth::SimpleEvent;
   if (std::holds_alternative<SimpleEvent>(ev.event)) {
@@ -334,6 +344,9 @@ void AudioState::react(const SetVolumeBalance& ev) {
 void AudioState::react(const OutputModeChanged& ev) {
   ESP_LOGI(kTag, "output mode changed");
   auto new_mode = sServices->nvs().OutputMode();
+  if (ev.set_to) {
+    new_mode = *ev.set_to;
+  }
   sOutput->mode(IAudioOutput::Modes::kOff);
   switch (new_mode) {
     case drivers::NvsStorage::Output::kBluetooth:

src/tangara/audio/audio_fsm.hpp

@@ -67,6 +67,7 @@ class AudioState : public tinyfsm::Fsm<AudioState> {
   virtual void react(const system_fsm::KeyLockChanged&){};
   virtual void react(const system_fsm::SdStateChanged&) {}
   virtual void react(const system_fsm::BluetoothEvent&);
+  virtual void react(const system_fsm::HasPhonesChanged&);
 
  protected:
   auto emitPlaybackUpdate(bool paused) -> void;