send iap status change notifications

commit fad99773e3942e07ac53949d26a6505d2e67792a
Author: mojyack <[email protected]>
Date:   Fri Dec 12 15:49:01 2025 +0900

    send iap status change notifications
    
    install iap event notification callbacks in various locations
    
    Change-Id: I637a3ad18cb07ca056ad9b678400ba11d2f8faad

diff --git a/apps/bookmark.c b/apps/bookmark.c
index f00ace7c41..d7fe0b29b1 100644
--- a/apps/bookmark.c
+++ b/apps/bookmark.c
@@ -43,6 +43,7 @@
 #include "file.h"
 #include "pathfuncs.h"
 #include "playlist_menu.h"
+#include "iap-usb.h"
 
 /*#define LOGF_ENABLE*/
 #include "logf.h"
@@ -1125,7 +1126,9 @@ static bool play_bookmark(const char* bookmark)
     if (parse_bookmark(fnamebuf, sizeof(fnamebuf), bookmark, &resume_info, true))
     {
         global_settings.repeat_mode = resume_info.repeat_mode;
+        iap_on_repeat_state(global_settings.repeat_mode);
         global_settings.playlist_shuffle = resume_info.shuffle;
+        iap_on_shuffle_state(global_settings.playlist_shuffle);
 #if defined(HAVE_PITCHCONTROL)
         sound_set_pitch(resume_info.pitch);
         dsp_set_timestretch(resume_info.speed);
diff --git a/apps/gui/skin_engine/skin_touchsupport.c b/apps/gui/skin_engine/skin_touchsupport.c
index eaa71c9b70..7098d8aa05 100644
--- a/apps/gui/skin_engine/skin_touchsupport.c
+++ b/apps/gui/skin_engine/skin_touchsupport.c
@@ -34,6 +34,7 @@
 #include "playlist.h"
 #include "dsp_misc.h"
 #include "playback.h"
+#include "iap-usb.h"
 
 /** Disarms all touchregions. */
 void skin_disarm_touchregions(struct gui_wps *gwps)
@@ -344,6 +345,7 @@ int skin_get_touchaction(struct gui_wps *gwps, int* edge_offset)
 
     case ACTION_TOUCH_SHUFFLE:
         global_settings.playlist_shuffle = !global_settings.playlist_shuffle;
+        iap_on_shuffle_state(global_settings.playlist_shuffle);
         replaygain_update();
         if (global_settings.playlist_shuffle)
             playlist_randomise(NULL, current_tick, true);
@@ -358,6 +360,7 @@ int skin_get_touchaction(struct gui_wps *gwps, int* edge_offset)
         const struct settings_list *rep_setting =
             find_setting(&global_settings.repeat_mode);
         option_select_next_val(rep_setting, false, true);
+        iap_on_repeat_state(global_settings.repeat_mode);
         audio_flush_and_reload_tracks();
         action = ACTION_REDRAW;
     } break;
diff --git a/apps/misc.c b/apps/misc.c
index a44f106fb9..1780ccd9fe 100644
--- a/apps/misc.c
+++ b/apps/misc.c
@@ -29,6 +29,7 @@
 #include "system.h"
 #include "lcd.h"
 #include "language.h" /* is_lang_rtl() */
+#include "iap-usb.h"
 
 #ifdef HAVE_DIRCACHE
 #include "dircache.h"
@@ -870,6 +871,7 @@ void check_bootfile(bool do_rolo)
 void setvol(void)
 {
     sound_set_volume(global_status.volume);
+    iap_on_volume(global_status.volume);
     global_status.last_volume_change = current_tick;
     status_save(false);
 }
diff --git a/apps/playback.c b/apps/playback.c
index ef991ea52e..6a7e764248 100644
--- a/apps/playback.c
+++ b/apps/playback.c
@@ -48,6 +48,7 @@
 #include "settings.h"
 #include "audiohw.h"
 #include "general.h"
+#include "iap-usb.h"
 #include <stdio.h>
 
 #ifdef HAVE_TAGCACHE
@@ -1411,6 +1412,7 @@ static void audio_playlist_track_change(void)
     {
         send_track_event(PLAYBACK_EVENT_TRACK_CHANGE,
                          track_event_flags, id3);
+        iap_on_track_playback_index(playlist_get_display_index() - 1, false);
     }
 
     position_key = pcmbuf_get_position_key();
@@ -2319,6 +2321,8 @@ static int audio_finish_load_track(struct track_info *infop)
            by the time PLAYBACK_EVENT_TRACK_CHANGE is sent */
         send_track_event(PLAYBACK_EVENT_CUR_TRACK_READY, 0,
                          id3_get(PLAYING_ID3));
+        /* Also send pending notification */
+        iap_on_track_playback_index(playlist_get_display_index() - 1, true);
     }
 
 #ifdef HAVE_CODEC_BUFFERING
@@ -2746,6 +2750,7 @@ static void audio_finalise_track_change(void)
         if (pause_on_track_change || single_mode_do_pause(info.id3_hid))
         {
             play_status = PLAY_PAUSED;
+            iap_on_play_status(play_status);
             pcmbuf_pause(true);
             pause_on_track_change = false;
         }
@@ -3079,6 +3084,7 @@ static void audio_start_playback(const struct audio_resume_info *resume_info,
 
         /* Update our state */
         play_status = PLAY_PLAYING;
+        iap_on_play_status(play_status);
     }
 
     /* Codec's position should be available as soon as it knows it */
@@ -3166,6 +3172,7 @@ static void audio_stop_playback(void)
     /* Update our state */
     ff_rw_mode = false;
     play_status = PLAY_STOPPED;
+    iap_on_play_status(play_status);
 
     wipe_track_metadata(true);
 #ifdef HAVE_ALBUMART
@@ -3187,6 +3194,7 @@ static void audio_on_pause(bool pause)
         return;
 
     play_status = pause ? PLAY_PAUSED : PLAY_PLAYING;
+    iap_on_play_status(play_status);
 
     if (!pause && codec_skip_pending)
     {
@@ -3828,6 +3836,7 @@ void audio_pcmbuf_position_callback(unsigned long elapsed, off_t offset,
         struct mp3entry *id3 = id3_get(PLAYING_ID3);
         id3->elapsed = elapsed;
         id3->offset = offset;
+        iap_on_track_time_position(elapsed);
     }
 }
 
diff --git a/apps/playlist.c b/apps/playlist.c
index c30b323f87..198e2baa01 100644
--- a/apps/playlist.c
+++ b/apps/playlist.c
@@ -107,6 +107,7 @@
 #include "rbunicode.h"
 #include "root_menu.h"
 #include "plugin.h" /* To borrow a temp buffer to rewrite a .m3u8 file */
+#include "iap-usb.h"
 #include "logdiskf.h"
 #ifdef HAVE_DIRCACHE
 #include "dircache.h"
@@ -1217,6 +1218,8 @@ static int remove_all_tracks_unlocked(struct playlist_info *playlist)
     playlist->amount = 1;
     playlist->indices[0] |= PLAYLIST_QUEUED;
     playlist->flags = 0; /* Reset dirplay and modified flags */
+    if (playlist == &current_playlist)
+        iap_on_tracks_count(playlist->amount);
 
     if (playlist->last_insert_pos == 0)
         playlist->last_insert_pos = -1;
@@ -1424,6 +1427,8 @@ static int add_track_to_playlist_unlocked(struct playlist_info* playlist,
     dc_init_filerefs(playlist, insert_position, 1);
 
     playlist->amount++;
+    if (playlist == &current_playlist)
+        iap_on_tracks_count(playlist->amount);
 
     return insert_position;
 }
@@ -1506,6 +1511,9 @@ static void find_and_set_playlist_index_unlocked(struct playlist_info* playlist,
         {
             playlist->index = playlist->first_index = i;
 
+            if (playlist == &current_playlist)
+                iap_on_track_playback_index(rotate_index(playlist, playlist->index), true);
+
             break;
         }
     }
@@ -2949,6 +2957,7 @@ int playlist_next(int steps)
             sort_playlist_unlocked(playlist, false, false);
             randomise_playlist_unlocked(playlist, current_tick, false, true);
             global_settings.playlist_shuffle = true;
+            iap_on_shuffle_state(global_settings.playlist_shuffle);
 
             playlist->started = true;
             playlist->index = 0;
@@ -3537,8 +3546,9 @@ int playlist_resume(void)
         }
     }
 
-    if (global_status.resume_index != -1)
+    if (global_status.resume_index != -1) {
         playlist->index = global_status.resume_index;
+    }
 
 out:
     playlist_write_unlock(playlist);
@@ -4047,8 +4057,10 @@ static int pl_save_update_control(struct playlist_info* playlist,
 
     /* Reset shuffle seed */
     playlist->seed = 0;
-    if (playlist == &current_playlist)
+    if (playlist == &current_playlist) {
         global_settings.playlist_shuffle = false;
+        iap_on_shuffle_state(global_settings.playlist_shuffle);
+    }
 
     pl_close_control(playlist);
     close(old_fd);
diff --git a/apps/settings_list.c b/apps/settings_list.c
index e8508ab099..7601cf66ca 100644
--- a/apps/settings_list.c
+++ b/apps/settings_list.c
@@ -67,6 +67,7 @@
 #endif
 #include "playlist.h"
 #include "tree.h"
+#include "iap-usb.h"
 
 #include "voice_thread.h"
 
@@ -790,15 +791,17 @@ static void shuffle_playlist_callback(bool shuffle)
             }
         }
     }
+    iap_on_shuffle_state(shuffle);
 }
 
 static void repeat_mode_callback(int repeat)
 {
+    (void)repeat;
     if ((audio_status() & AUDIO_STATUS_PLAY) == AUDIO_STATUS_PLAY)
     {
         audio_flush_and_reload_tracks();
     }
-    (void)repeat;
+    iap_on_repeat_state(repeat);
 }
 
 static void treesort_callback(int value)
diff --git a/firmware/usbstack/usb_core.c b/firmware/usbstack/usb_core.c
index bd8e3eaa58..2a10c36c7e 100644
--- a/firmware/usbstack/usb_core.c
+++ b/firmware/usbstack/usb_core.c
@@ -333,6 +333,7 @@ static struct usb_class_driver drivers[USB_NUM_DRIVERS] =
 #endif
         .set_interface = usb_iap_set_interface,
         .get_interface = usb_iap_get_interface,
+        .notify_event = usb_iap_notify_event,
     },
 #endif
 };
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