add empty_screen module + fix feed bus fault

alloc/alloc.c

@@ -1,6 +1,7 @@
 #include <alloc/alloc.h>
 #include <flip_storage/flip_social_storage.h>
 #include <feed/feed.h>
+#include <callback/callback.h>
 
 FlipSocialApp *alloc_flip_social_app()
 {
@@ -381,6 +382,9 @@ FlipSocialApp *alloc_flip_social_app()
             view_dispatcher_switch_to_view(app->view_dispatcher, FlipSocialViewLoggedOutSubmenu);
         }
     }
+
+    app->empty_screen = empty_screen_alloc();
+    view_dispatcher_add_view(app->view_dispatcher, FlipSocialViewEmpty, empty_screen_get_view(app->empty_screen));
     return app;
 }
 
@@ -629,330 +633,6 @@ void on_input(const void *event, void *ctx)
     }
 }
 
-// Make sure to define a suitable MAX_LINE_LENGTH
-// For example:
-
-#define MAX_LINES 6
-#define LINE_HEIGHT 8
-#define MAX_LINE_WIDTH_PX 128
-#define TEMP_BUF_SIZE 128
-
-static void draw_user_message(Canvas *canvas, const char *user_message, int x, int y)
-{
-    if (!user_message)
-    {
-        FURI_LOG_E(TAG, "User message is NULL.");
-        return;
-    }
-
-    // We will read through user_message and extract words manually
-    const char *p = user_message;
-
-    // Skip leading spaces
-    while (*p == ' ')
-        p++;
-
-    char line[TEMP_BUF_SIZE];
-    size_t line_len = 0;
-    line[0] = '\0';
-    int line_num = 0;
-
-    while (*p && line_num < MAX_LINES)
-    {
-        // Find the end of the next word
-        const char *word_start = p;
-        while (*p && *p != ' ')
-            p++;
-        size_t word_len = p - word_start;
-
-        // Extract the word into a temporary buffer
-        char word[TEMP_BUF_SIZE];
-        if (word_len > TEMP_BUF_SIZE - 1)
-        {
-            word_len = TEMP_BUF_SIZE - 1; // Just to avoid overflow if extremely large
-        }
-        memcpy(word, word_start, word_len);
-        word[word_len] = '\0';
-
-        // Skip trailing spaces for the next iteration
-        while (*p == ' ')
-            p++;
-
-        if (word_len == 0)
-        {
-            // Empty word (consecutive spaces?), just continue
-            continue;
-        }
-
-        // Check how the word fits into the current line
-        char test_line[TEMP_BUF_SIZE + 128];
-        if (line_len == 0)
-        {
-            // If line is empty, the line would just be this word
-            strncpy(test_line, word, sizeof(test_line) - 1);
-            test_line[sizeof(test_line) - 1] = '\0';
-        }
-        else
-        {
-            // If not empty, we add a space and then the word
-            snprintf(test_line, sizeof(test_line), "%s %s", line, word);
-        }
-
-        uint16_t width = canvas_string_width(canvas, test_line);
-        if (width <= MAX_LINE_WIDTH_PX)
-        {
-            // The word fits on this line
-            strcpy(line, test_line);
-            line_len = strlen(line);
-        }
-        else
-        {
-            // The word doesn't fit on this line
-            // First, draw the current line if it's not empty
-            if (line_len > 0)
-            {
-                canvas_draw_str_aligned(canvas, x, y + line_num * LINE_HEIGHT, AlignLeft, AlignTop, line);
-                line_num++;
-                if (line_num >= MAX_LINES)
-                    break;
-            }
-
-            // Now we try to put the current word on a new line
-            // Check if the word itself fits on an empty line
-            width = canvas_string_width(canvas, word);
-            if (width <= MAX_LINE_WIDTH_PX)
-            {
-                // The whole word fits on a new line
-                strcpy(line, word);
-                line_len = word_len;
-            }
-            else
-            {
-                // The word alone doesn't fit. We must truncate it.
-                // We'll find the largest substring of the word that fits.
-                size_t truncate_len = word_len;
-                while (truncate_len > 0)
-                {
-                    char truncated[TEMP_BUF_SIZE];
-                    strncpy(truncated, word, truncate_len);
-                    truncated[truncate_len] = '\0';
-                    if (canvas_string_width(canvas, truncated) <= MAX_LINE_WIDTH_PX)
-                    {
-                        // Found a substring that fits
-                        strcpy(line, truncated);
-                        line_len = truncate_len;
-                        break;
-                    }
-                    truncate_len--;
-                }
-
-                if (line_len == 0)
-                {
-                    // Could not fit a single character. Skip this word.
-                }
-            }
-        }
-    }
-
-    // Draw any remaining text in the buffer if we have lines left
-    if (line_len > 0 && line_num < MAX_LINES)
-    {
-        canvas_draw_str_aligned(canvas, x, y + line_num * LINE_HEIGHT, AlignLeft, AlignTop, line);
-    }
-}
-
-static void flip_social_feed_draw_callback(Canvas *canvas, void *model)
-{
-    UNUSED(model);
-    canvas_clear(canvas);
-    canvas_set_font_custom(canvas, FONT_SIZE_LARGE);
-    canvas_draw_str(canvas, 0, 7, flip_feed_item->username);
-    canvas_set_font_custom(canvas, FONT_SIZE_MEDIUM);
-    draw_user_message(canvas, flip_feed_item->message, 0, 12);
-    canvas_set_font_custom(canvas, FONT_SIZE_SMALL);
-    char flip_message[32];
-    snprintf(flip_message, sizeof(flip_message), "%u %s", flip_feed_item->flips, flip_feed_item->flips == 1 ? "flip" : "flips");
-    canvas_draw_str(canvas, 0, 60, flip_message); // Draw the number of flips
-    char flip_status[16];
-    snprintf(flip_status, sizeof(flip_status), flip_feed_item->is_flipped ? "Unflip" : "Flip");
-    canvas_draw_str(canvas, 32, 60, flip_status);                  // Draw the flip status
-    canvas_draw_str(canvas, 64, 60, flip_feed_item->date_created); // Draw the date
-}
-
-static bool flip_social_feed_input_callback(InputEvent *event, void *context)
-{
-    UNUSED(context);
-    furi_assert(app_instance);
-
-    // if back button is pressed
-    if (event->type == InputTypePress && event->key == InputKeyBack)
-    {
-        view_dispatcher_switch_to_view(app_instance->view_dispatcher, FlipSocialViewLoggedInSubmenu);
-        return true;
-    }
-
-    if (event->type == InputTypePress && event->key == InputKeyLeft) // Previous message
-    {
-        if (flip_feed_info->index > 0)
-        {
-            flip_feed_info->index--;
-        }
-        // switch view, free dialog, re-alloc dialog, switch back to dialog
-        view_dispatcher_switch_to_view(app_instance->view_dispatcher, FlipSocialViewWidgetResult);
-        free_feed_view();
-        // load feed item
-        if (!feed_load_post(flip_feed_info->ids[flip_feed_info->index]))
-        {
-            FURI_LOG_E(TAG, "Failed to load nexy feed post");
-            return false;
-        }
-        if (alloc_feed_view())
-        {
-            view_dispatcher_switch_to_view(app_instance->view_dispatcher, FlipSocialViewLoggedInFeed);
-        }
-        else
-        {
-            FURI_LOG_E(TAG, "Failed to allocate feed dialog");
-            return false;
-        }
-    }
-    else if (event->type == InputTypePress && event->key == InputKeyRight) // Next message
-    {
-        // if next message is the last message, then use flip_social_load_initial_feed
-        if (flip_feed_info->index == flip_feed_info->count - 1)
-        {
-            char series_index[16];
-            load_char("series_index", series_index, sizeof(series_index));
-            flip_feed_info->series_index = atoi(series_index) + 1;
-            char new_series_index[16];
-            snprintf(new_series_index, sizeof(new_series_index), "%d", flip_feed_info->series_index);
-
-            save_char("series_index", new_series_index);
-
-            free_flipper_http();
-            if (!alloc_flipper_http())
-            {
-                return false;
-            }
-            if (!feed_load_initial_feed(app_instance->fhttp, flip_feed_info->series_index))
-            {
-                FURI_LOG_E(TAG, "Failed to load initial feed");
-                free_flipper_http();
-                return false;
-            }
-            free_flipper_http();
-            // switch view, free dialog, re-alloc dialog, switch back to dialog
-            view_dispatcher_switch_to_view(app_instance->view_dispatcher, FlipSocialViewWidgetResult);
-            free_feed_view();
-            // load feed item
-            if (!feed_load_post(flip_feed_info->ids[flip_feed_info->index]))
-            {
-                FURI_LOG_E(TAG, "Failed to load nexy feed post");
-                return false;
-            }
-            if (alloc_feed_view())
-            {
-                view_dispatcher_switch_to_view(app_instance->view_dispatcher, FlipSocialViewLoggedInFeed);
-            }
-            else
-            {
-                FURI_LOG_E(TAG, "Failed to allocate feed dialog");
-                return false;
-            }
-        }
-        if (flip_feed_info->index < flip_feed_info->count - 1)
-        {
-            flip_feed_info->index++;
-        }
-        // switch view, free dialog, re-alloc dialog, switch back to dialog
-        view_dispatcher_switch_to_view(app_instance->view_dispatcher, FlipSocialViewWidgetResult);
-        free_feed_view();
-        // load feed item
-        if (!feed_load_post(flip_feed_info->ids[flip_feed_info->index]))
-        {
-            FURI_LOG_E(TAG, "Failed to load nexy feed post");
-            return false;
-        }
-        if (alloc_feed_view())
-        {
-            view_dispatcher_switch_to_view(app_instance->view_dispatcher, FlipSocialViewLoggedInFeed);
-        }
-        else
-        {
-            FURI_LOG_E(TAG, "Failed to allocate feed dialog");
-            return false;
-        }
-    }
-    else if (event->type == InputTypePress && event->key == InputKeyOk) // Flip/Unflip
-    {
-        // Moved to above the is_flipped check
-        if (!flip_feed_item->is_flipped)
-        {
-            // increase the flip count
-            flip_feed_item->flips++;
-        }
-        else
-        {
-            // decrease the flip count
-            if (flip_feed_item->flips > 0)
-                flip_feed_item->flips--;
-        }
-        // change the flip status
-        flip_feed_item->is_flipped = !flip_feed_item->is_flipped;
-
-        // send post request to flip the message
-        if (app_instance->login_username_logged_in == NULL)
-        {
-            FURI_LOG_E(TAG, "Username is NULL");
-            return false;
-        }
-        free_flipper_http();
-        if (!alloc_flipper_http())
-        {
-            return false;
-        }
-        alloc_headers();
-        char payload[256];
-        snprintf(payload, sizeof(payload), "{\"username\":\"%s\",\"post_id\":\"%u\"}", app_instance->login_username_logged_in, flip_feed_item->id);
-        if (flipper_http_request(app_instance->fhttp, POST, "https://www.jblanked.com/flipper/api/feed/flip/", auth_headers, payload))
-        {
-            // save feed item
-            char new_save[512];
-            snprintf(new_save, sizeof(new_save), "{\"id\":%u,\"username\":\"%s\",\"message\":\"%s\",\"flip_count\":%u,\"flipped\":%s,\"date_created\":\"%s\"}",
-                     flip_feed_item->id, flip_feed_item->username, flip_feed_item->message, flip_feed_item->flips, flip_feed_item->is_flipped ? "true" : "false", flip_feed_item->date_created);
-            char id[16];
-            snprintf(id, sizeof(id), "%u", flip_feed_item->id);
-            if (!flip_social_save_post(id, new_save))
-            {
-                FURI_LOG_E(TAG, "Failed to save the feed post");
-                free_flipper_http();
-                return false;
-            }
-        }
-        // switch view, free dialog, re-alloc dialog, switch back to dialog
-        view_dispatcher_switch_to_view(app_instance->view_dispatcher, FlipSocialViewWidgetResult);
-        free_feed_view();
-        // load feed item
-        if (!feed_load_post(flip_feed_info->ids[flip_feed_info->index]))
-        {
-            FURI_LOG_E(TAG, "Failed to load nexy feed post");
-            app_instance->fhttp->state = ISSUE;
-            free_flipper_http();
-            return false;
-        }
-        if (alloc_feed_view())
-        {
-            view_dispatcher_switch_to_view(app_instance->view_dispatcher, FlipSocialViewLoggedInFeed);
-        }
-        else
-        {
-            FURI_LOG_E(TAG, "Failed to allocate feed dialog");
-        }
-        free_flipper_http();
-    }
-    return false;
-}
-
 bool alloc_feed_view()
 {
     if (!app_instance)
@@ -970,8 +650,8 @@ bool alloc_feed_view()
         if (!easy_flipper_set_view(
                 &app_instance->view_feed,
                 FlipSocialViewLoggedInFeed,
-                flip_social_feed_draw_callback,
-                flip_social_feed_input_callback,
+                callback_feed_draw,
+                callback_feed_input,
                 callback_to_submenu_logged_in,
                 &app_instance->view_dispatcher,
                 app_instance))

flip_social.c

@@ -136,6 +136,13 @@ void flip_social_app_free(FlipSocialApp *app)
     if (app->explore_user_bio)
         free(app->explore_user_bio);
 
+    if (app->empty_screen)
+    {
+        view_dispatcher_remove_view(app->view_dispatcher, FlipSocialViewEmpty);
+        empty_screen_free(app->empty_screen);
+        app->empty_screen = NULL;
+    }
+
     // Free the app structure
     if (app_instance)
         free(app_instance);

flip_social.h

@@ -8,6 +8,7 @@
 #include <input/input.h>
 #include <flip_social_icons.h>
 #include <font/font.h>
+#include <gui/modules/empty_screen.h>
 
 #define TAG "FlipSocial"
 #define VERSION "1.1"
@@ -171,8 +172,12 @@ typedef enum
     FlipSocialViewVariableItemList,
     //
     FlipSocialViewSubmenu,
+    //
+    FlipSocialViewEmpty,
 } FlipSocialView;
 
+#define BUFFER_VIEW FlipSocialViewEmpty
+
 // Define the application structure
 typedef struct
 {
@@ -300,6 +305,8 @@ typedef struct
     View *view_feed;
 
     char *explore_user_bio; // Store the bio of the selected user
+
+    EmptyScreen *empty_screen; // The empty screen
 } FlipSocialApp;
 
 void flip_social_app_free(FlipSocialApp *app);