[FL-3496, FL-3523, FL-3767, FL-3790] Infrared fixes and more (#3515)

* FL-3496: do not hardcode universal library names in CLI
* FL-3523: remove TODO, no changes necessary
* FL-3767: remove TODO, no changes necessary
* FL-3790: fix laggy TextInput by not adding it into a ViewStack
* Improve documentation
* Fix logical error in documentation

Co-authored-by: あく <alleteam@gmail.com>

applications/main/infrared/infrared_app.c

@@ -189,6 +189,10 @@ static InfraredApp* infrared_alloc(void) {
     view_dispatcher_add_view(
         view_dispatcher, InfraredViewMove, infrared_move_view_get_view(infrared->move_view));
 
+    infrared->loading = loading_alloc();
+    view_dispatcher_add_view(
+        view_dispatcher, InfraredViewLoading, loading_get_view(infrared->loading));
+
     if(app_state->is_debug_enabled) {
         infrared->debug_view = infrared_debug_view_alloc();
         view_dispatcher_add_view(
@@ -198,7 +202,6 @@ static InfraredApp* infrared_alloc(void) {
     }
 
     infrared->button_panel = button_panel_alloc();
-    infrared->loading = loading_alloc();
     infrared->progress = infrared_progress_view_alloc();
 
     return infrared;
@@ -240,13 +243,15 @@ static void infrared_free(InfraredApp* infrared) {
     view_dispatcher_remove_view(view_dispatcher, InfraredViewMove);
     infrared_move_view_free(infrared->move_view);
 
+    view_dispatcher_remove_view(view_dispatcher, InfraredViewLoading);
+    loading_free(infrared->loading);
+
     if(app_state->is_debug_enabled) {
         view_dispatcher_remove_view(view_dispatcher, InfraredViewDebugView);
         infrared_debug_view_free(infrared->debug_view);
     }
 
     button_panel_free(infrared->button_panel);
-    loading_free(infrared->loading);
     infrared_progress_view_free(infrared->progress);
 
     view_dispatcher_free(view_dispatcher);
@@ -385,14 +390,13 @@ void infrared_tx_stop(InfraredApp* infrared) {
 }
 
 void infrared_blocking_task_start(InfraredApp* infrared, FuriThreadCallback callback) {
-    view_stack_add_view(infrared->view_stack, loading_get_view(infrared->loading));
+    view_dispatcher_switch_to_view(infrared->view_dispatcher, InfraredViewLoading);
     furi_thread_set_callback(infrared->task_thread, callback);
     furi_thread_start(infrared->task_thread);
 }
 
 bool infrared_blocking_task_finalize(InfraredApp* infrared) {
     furi_thread_join(infrared->task_thread);
-    view_stack_remove_view(infrared->view_stack, loading_get_view(infrared->loading));
     return furi_thread_get_return_code(infrared->task_thread);
 }
 

applications/main/infrared/infrared_app_i.h

@@ -141,6 +141,7 @@ typedef enum {
     InfraredViewStack,
     InfraredViewDebugView,
     InfraredViewMove,
+    InfraredViewLoading,
 } InfraredView;
 
 /**
@@ -213,8 +214,8 @@ void infrared_tx_stop(InfraredApp* infrared);
 /**
  * @brief Start a blocking task in a separate thread.
  *
- * If a ViewStack is currently on screen, a busy "Hourglass" animation
- * will be shown and no input will be accepted until completion.
+ * Before starting a blocking task, the current view will be replaced
+ * with a busy animation. All subsequent user input will be ignored.
  *
  * @param[in,out] infrared pointer to the application instance.
  * @param[in] callback pointer to the function to be run in the thread.
@@ -222,10 +223,11 @@ void infrared_tx_stop(InfraredApp* infrared);
 void infrared_blocking_task_start(InfraredApp* infrared, FuriThreadCallback callback);
 
 /**
- * @brief Wait for a blocking task to finish and receive the result.
+ * @brief Wait for a blocking task to finish and get the result.
  *
- * Upon the completion of a blocking task, the busy animation will be hidden
- * and input will be accepted again.
+ * The busy animation shown during the infrared_blocking_task_start() call
+ * will NOT be hidden and WILL remain on screen. If another view is needed
+ * (e.g. to display the results), the caller code MUST set it explicitly.
  *
  * @param[in,out] infrared pointer to the application instance.
  * @return true if the blocking task finished successfully, false otherwise.

applications/main/infrared/infrared_cli.c

@@ -10,8 +10,10 @@
 #include "infrared_signal.h"
 #include "infrared_brute_force.h"
 
-#define INFRARED_CLI_BUF_SIZE 10
-#define INFRARED_ASSETS_FOLDER "infrared/assets"
+#define INFRARED_CLI_BUF_SIZE (10U)
+#define INFRARED_CLI_FILE_NAME_SIZE (256U)
+#define INFRARED_FILE_EXTENSION ".ir"
+#define INFRARED_ASSETS_FOLDER EXT_PATH("infrared/assets")
 #define INFRARED_BRUTE_FORCE_DUMMY_INDEX 0
 
 DICT_DEF2(dict_signals, FuriString*, FURI_STRING_OPLIST, int, M_DEFAULT_OPLIST)
@@ -66,6 +68,37 @@ static void signal_received_callback(void* context, InfraredWorkerSignal* receiv
     }
 }
 
+static void infrared_cli_print_universal_remotes(void) {
+    Storage* storage = furi_record_open(RECORD_STORAGE);
+    File* dir = storage_file_alloc(storage);
+
+    do {
+        if(!storage_dir_open(dir, INFRARED_ASSETS_FOLDER)) break;
+
+        FileInfo file_info;
+        char file_name[INFRARED_CLI_FILE_NAME_SIZE];
+
+        while(storage_dir_read(dir, &file_info, file_name, sizeof(file_name))) {
+            if(file_info.flags & FSF_DIRECTORY) {
+                continue;
+            }
+
+            char* file_ext = strstr(file_name, INFRARED_FILE_EXTENSION);
+            if((file_ext == NULL) || (strcmp(file_ext, INFRARED_FILE_EXTENSION) != 0)) {
+                continue;
+            }
+
+            *file_ext = '\0';
+            printf("%s ", file_name);
+        }
+
+        printf("\r\n");
+    } while(false);
+
+    storage_file_free(dir);
+    furi_record_close(RECORD_STORAGE);
+}
+
 static void infrared_cli_print_usage(void) {
     printf("Usage:\r\n");
     printf("\tir rx [raw]\r\n");
@@ -85,8 +118,9 @@ static void infrared_cli_print_usage(void) {
     printf("\tir decode <input_file> [<output_file>]\r\n");
     printf("\tir universal <remote_name> <signal_name>\r\n");
     printf("\tir universal list <remote_name>\r\n");
-    // TODO FL-3496: Do not hardcode universal remote names
-    printf("\tAvailable universal remotes: tv audio ac projector\r\n");
+    printf("\tAvailable universal remotes: ");
+
+    infrared_cli_print_universal_remotes();
 }
 
 static void infrared_cli_start_ir_rx(Cli* cli, FuriString* args) {
@@ -211,7 +245,6 @@ static bool infrared_cli_decode_raw_signal(
 
     size_t i;
     for(i = 0; i < raw_signal->timings_size; ++i) {
-        // TODO FL-3523: Any infrared_check_decoder_ready() magic?
         const InfraredMessage* message = infrared_decode(decoder, level, raw_signal->timings[i]);
 
         if(message) {
@@ -365,7 +398,10 @@ static void infrared_cli_list_remote_signals(FuriString* remote_name) {
     Storage* storage = furi_record_open(RECORD_STORAGE);
     FlipperFormat* ff = flipper_format_buffered_file_alloc(storage);
     FuriString* remote_path = furi_string_alloc_printf(
-        "%s/%s.ir", EXT_PATH(INFRARED_ASSETS_FOLDER), furi_string_get_cstr(remote_name));
+        "%s/%s%s",
+        INFRARED_ASSETS_FOLDER,
+        furi_string_get_cstr(remote_name),
+        INFRARED_FILE_EXTENSION);
 
     do {
         if(!flipper_format_buffered_file_open_existing(ff, furi_string_get_cstr(remote_path))) {
@@ -413,7 +449,7 @@ static void
     infrared_cli_brute_force_signals(Cli* cli, FuriString* remote_name, FuriString* signal_name) {
     InfraredBruteForce* brute_force = infrared_brute_force_alloc();
     FuriString* remote_path = furi_string_alloc_printf(
-        "%s/%s.ir", EXT_PATH(INFRARED_ASSETS_FOLDER), furi_string_get_cstr(remote_name));
+        "%s/%s.ir", INFRARED_ASSETS_FOLDER, furi_string_get_cstr(remote_name));
 
     infrared_brute_force_set_db_filename(brute_force, furi_string_get_cstr(remote_path));
     infrared_brute_force_add_record(

applications/main/infrared/scenes/common/infrared_scene_universal_common.c

@@ -46,7 +46,6 @@ void infrared_scene_universal_common_on_enter(void* context) {
     InfraredApp* infrared = context;
     view_set_orientation(view_stack_get_view(infrared->view_stack), ViewOrientationVertical);
     view_stack_add_view(infrared->view_stack, button_panel_get_view(infrared->button_panel));
-    view_dispatcher_switch_to_view(infrared->view_dispatcher, InfraredViewStack);
 
     // Load universal remote data in background
     infrared_blocking_task_start(infrared, infrared_scene_universal_common_task_callback);
@@ -98,6 +97,8 @@ bool infrared_scene_universal_common_on_event(void* context, SceneManagerEvent e
 
                 if(!task_success) {
                     scene_manager_next_scene(infrared->scene_manager, InfraredSceneErrorDatabases);
+                } else {
+                    view_dispatcher_switch_to_view(infrared->view_dispatcher, InfraredViewStack);
                 }
             }
             consumed = true;

applications/main/infrared/scenes/infrared_scene_edit_delete.c

@@ -91,10 +91,7 @@ void infrared_scene_edit_delete_on_enter(void* context) {
     dialog_ex_set_result_callback(dialog_ex, infrared_scene_edit_delete_dialog_result_callback);
     dialog_ex_set_context(dialog_ex, context);
 
-    view_set_orientation(view_stack_get_view(infrared->view_stack), ViewOrientationHorizontal);
-    view_stack_add_view(infrared->view_stack, dialog_ex_get_view(infrared->dialog_ex));
-
-    view_dispatcher_switch_to_view(infrared->view_dispatcher, InfraredViewStack);
+    view_dispatcher_switch_to_view(infrared->view_dispatcher, InfraredViewDialogEx);
 }
 
 bool infrared_scene_edit_delete_on_event(void* context, SceneManagerEvent event) {
@@ -136,5 +133,5 @@ bool infrared_scene_edit_delete_on_event(void* context, SceneManagerEvent event)
 
 void infrared_scene_edit_delete_on_exit(void* context) {
     InfraredApp* infrared = context;
-    view_stack_remove_view(infrared->view_stack, dialog_ex_get_view(infrared->dialog_ex));
+    dialog_ex_reset(infrared->dialog_ex);
 }

applications/main/infrared/scenes/infrared_scene_edit_move.c

@@ -38,10 +38,7 @@ void infrared_scene_edit_move_on_enter(void* context) {
     infrared_move_view_set_callback(
         infrared->move_view, infrared_scene_edit_move_button_callback, infrared);
 
-    view_set_orientation(view_stack_get_view(infrared->view_stack), ViewOrientationHorizontal);
-    view_stack_add_view(infrared->view_stack, infrared_move_view_get_view(infrared->move_view));
-
-    view_dispatcher_switch_to_view(infrared->view_dispatcher, InfraredViewStack);
+    view_dispatcher_switch_to_view(infrared->view_dispatcher, InfraredViewMove);
 }
 
 bool infrared_scene_edit_move_on_event(void* context, SceneManagerEvent event) {
@@ -62,6 +59,8 @@ bool infrared_scene_edit_move_on_event(void* context, SceneManagerEvent event) {
                 infrared_show_error_message(infrared, "Failed to move\n\"%s\"", signal_name);
                 scene_manager_search_and_switch_to_previous_scene(
                     infrared->scene_manager, InfraredSceneRemoteList);
+            } else {
+                view_dispatcher_switch_to_view(infrared->view_dispatcher, InfraredViewMove);
             }
         }
         consumed = true;
@@ -72,6 +71,5 @@ bool infrared_scene_edit_move_on_event(void* context, SceneManagerEvent event) {
 
 void infrared_scene_edit_move_on_exit(void* context) {
     InfraredApp* infrared = context;
-    view_stack_remove_view(infrared->view_stack, infrared_move_view_get_view(infrared->move_view));
     infrared_move_view_reset(infrared->move_view);
 }

applications/main/infrared/scenes/infrared_scene_edit_rename.c

@@ -75,10 +75,7 @@ void infrared_scene_edit_rename_on_enter(void* context) {
         enter_name_length,
         false);
 
-    view_set_orientation(view_stack_get_view(infrared->view_stack), ViewOrientationHorizontal);
-    view_stack_add_view(infrared->view_stack, text_input_get_view(infrared->text_input));
-
-    view_dispatcher_switch_to_view(infrared->view_dispatcher, InfraredViewStack);
+    view_dispatcher_switch_to_view(infrared->view_dispatcher, InfraredViewTextInput);
 }
 
 bool infrared_scene_edit_rename_on_event(void* context, SceneManagerEvent event) {
@@ -117,12 +114,10 @@ void infrared_scene_edit_rename_on_exit(void* context) {
     InfraredApp* infrared = context;
     TextInput* text_input = infrared->text_input;
 
-    view_stack_remove_view(infrared->view_stack, text_input_get_view(text_input));
-
-    void* validator_context = text_input_get_validator_callback_context(text_input);
-    text_input_set_validator(text_input, NULL, NULL);
-
+    ValidatorIsFile* validator_context = text_input_get_validator_callback_context(text_input);
     if(validator_context) {
-        validator_is_file_free((ValidatorIsFile*)validator_context);
+        validator_is_file_free(validator_context);
     }
+
+    text_input_reset(text_input);
 }

applications/main/infrared/scenes/infrared_scene_remote_list.c

@@ -18,9 +18,6 @@ static void infrared_scene_remote_list_select_and_load(InfraredApp* infrared) {
         infrared->dialogs, infrared->file_path, infrared->file_path, &browser_options);
 
     if(file_selected) {
-        view_set_orientation(view_stack_get_view(infrared->view_stack), ViewOrientationVertical);
-        view_dispatcher_switch_to_view(infrared->view_dispatcher, InfraredViewStack);
-
         // Load the remote in a separate thread
         infrared_blocking_task_start(infrared, infrared_scene_remote_list_task_callback);
 

applications/main/infrared/scenes/infrared_scene_rpc.c

@@ -30,11 +30,8 @@ void infrared_scene_rpc_on_enter(void* context) {
     popup_set_context(popup, context);
     popup_set_callback(popup, infrared_popup_closed_callback);
 
-    view_stack_add_view(infrared->view_stack, popup_get_view(infrared->popup));
-    view_dispatcher_switch_to_view(infrared->view_dispatcher, InfraredViewStack);
-
+    view_dispatcher_switch_to_view(infrared->view_dispatcher, InfraredViewPopup);
     scene_manager_set_scene_state(infrared->scene_manager, InfraredSceneRpc, InfraredRpcStateIdle);
-
     notification_message(infrared->notifications, &sequence_display_backlight_on);
 }
 
@@ -69,6 +66,7 @@ bool infrared_scene_rpc_on_event(void* context, SceneManagerEvent event) {
 
             popup_set_text(
                 infrared->popup, infrared->text_store[0], 89, 44, AlignCenter, AlignTop);
+            view_dispatcher_switch_to_view(infrared->view_dispatcher, InfraredViewPopup);
 
             rpc_system_app_confirm(infrared->rpc_ctx, task_success);
 
@@ -135,6 +133,5 @@ void infrared_scene_rpc_on_exit(void* context) {
         infrared_tx_stop(infrared);
     }
 
-    view_stack_remove_view(infrared->view_stack, popup_get_view(infrared->popup));
     popup_reset(infrared->popup);
 }

applications/services/gui/view_dispatcher.h

@@ -1,6 +1,8 @@
 /**
  * @file view_dispatcher.h
- * GUI: ViewDispatcher API
+ * @brief GUI: ViewDispatcher API
+ *
+ * @warning Views added to a ViewDispatcher MUST NOT be in a ViewStack at the same time.
  */
 
 #pragma once

applications/services/gui/view_holder.h

@@ -1,3 +1,9 @@
+/**
+ * @file view_holder.h
+ * @brief GUI: ViewHolder API
+ *
+ * @warning View added to a ViewHolder MUST NOT be in a ViewStack at the same time.
+ */
 #pragma once
 
 #include <gui/view.h>

applications/services/gui/view_stack.h

@@ -1,11 +1,13 @@
 /**
  * @file view_stack.h
- * GUI: ViewStack API
+ * @brief GUI: ViewStack API
  *
  * ViewStack accumulates several Views in one stack.
  * Draw callbacks are called sequenctially starting from
  * first added. Input callbacks are called in reverse order.
  * Consumed input is not passed on underlying layers.
+ *
+ * @warning Views added to a ViewStack MUST NOT be in a ViewDispatcher or a ViewHolder at the same time.
  */
 
 #pragma once

applications/services/rpc/rpc.c

@@ -190,8 +190,6 @@ bool rpc_pb_stream_read(pb_istream_t* istream, pb_byte_t* buf, size_t count) {
     furi_assert(session);
     furi_assert(istream->bytes_left);
 
-    /* TODO FL-3768 this function may be called after
-       marking the worker for termination */
     if(session->terminate) {
         return false;
     }