feat(rooms): add integration rooms provider

custom/integration/rooms_provider.c

@@ -0,0 +1,85 @@
+/*
+ * SPDX-FileCopyrightText: 2025 M5Stack Technology CO LTD
+ *
+ * SPDX-License-Identifier: MIT
+ */
+#include "rooms_provider.h"
+
+#include <stddef.h>
+
+static room_entity_t ENT_BAKERY_MAIN = {
+    .entity_id = "light.bakery_main",
+    .kind      = ROOM_ENTITY_LIGHT,
+    .available = true,
+    .on        = false,
+    .value     = -1,
+};
+
+static room_entity_t ENT_BEDROOM_MAIN = {
+    .entity_id = "light.bedroom_main",
+    .kind      = ROOM_ENTITY_LIGHT,
+    .available = true,
+    .on        = true,
+    .value     = 75,
+};
+
+static room_entity_t ENT_LIVING_MAIN = {
+    .entity_id = "light.living_main",
+    .kind      = ROOM_ENTITY_LIGHT,
+    .available = true,
+    .on        = false,
+    .value     = -1,
+};
+
+static room_entity_t* ROOM0_ENTS[] = {&ENT_BAKERY_MAIN};
+static room_entity_t* ROOM1_ENTS[] = {&ENT_BEDROOM_MAIN};
+static room_entity_t* ROOM2_ENTS[] = {&ENT_LIVING_MAIN};
+
+static room_t ROOMS[] = {
+    {
+        .room_id      = "bakery",
+        .name         = "Bakery",
+        .entities     = (room_entity_t**)ROOM0_ENTS,
+        .entity_count = sizeof(ROOM0_ENTS) / sizeof(ROOM0_ENTS[0]),
+        .temp_c       = 24,
+        .humidity     = 48,
+    },
+    {
+        .room_id      = "bedroom",
+        .name         = "Bedroom",
+        .entities     = (room_entity_t**)ROOM1_ENTS,
+        .entity_count = sizeof(ROOM1_ENTS) / sizeof(ROOM1_ENTS[0]),
+        .temp_c       = 23,
+        .humidity     = 50,
+    },
+    {
+        .room_id      = "living",
+        .name         = "Living Room",
+        .entities     = (room_entity_t**)ROOM2_ENTS,
+        .entity_count = sizeof(ROOM2_ENTS) / sizeof(ROOM2_ENTS[0]),
+        .temp_c       = 25,
+        .humidity     = 45,
+    },
+};
+
+static rooms_state_t DEFAULT_STATE = {
+    .rooms      = ROOMS,
+    .room_count = sizeof(ROOMS) / sizeof(ROOMS[0]),
+};
+
+static const rooms_state_t* s_current_state = &DEFAULT_STATE;
+
+const rooms_state_t* rooms_provider_get_state(void)
+{
+    return s_current_state;
+}
+
+void rooms_provider_set_state(const rooms_state_t* state)
+{
+    s_current_state = state;
+}
+
+void rooms_provider_reset_state(void)
+{
+    s_current_state = &DEFAULT_STATE;
+}

custom/integration/rooms_provider.h

@@ -0,0 +1,38 @@
+/*
+ * SPDX-FileCopyrightText: 2025 M5Stack Technology CO LTD
+ *
+ * SPDX-License-Identifier: MIT
+ */
+#pragma once
+
+#include "../ui/pages/ui_rooms_model.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+    /**
+     * @brief Retrieve the current rooms state snapshot.
+     *
+     * The pointer remains owned by the provider. Callers should treat the
+     * returned data as read-only and copy it if a longer lifetime is needed.
+     */
+    const rooms_state_t* rooms_provider_get_state(void);
+
+    /**
+     * @brief Replace the active rooms state snapshot.
+     *
+     * Passing NULL clears the current snapshot so consumers can reset their
+     * views while awaiting new data.
+     */
+    void rooms_provider_set_state(const rooms_state_t* state);
+
+    /**
+     * @brief Restore the provider's built-in mock snapshot.
+     */
+    void rooms_provider_reset_state(void);
+
+#ifdef __cplusplus
+}
+#endif

custom/ui/pages/ui_page_rooms.c

@@ -8,6 +8,7 @@
 #include <stdbool.h>
 #include <string.h>
 
+#include "../../integration/rooms_provider.h"
 #include "../ui_theme.h"
 #include "../ui_wallpaper.h"
 #include "../widgets/ui_room_card.h"
@@ -45,60 +46,6 @@ typedef struct
 
 static ui_page_rooms_ctx_t* s_ctx = NULL;
 
-static room_entity_t ENT_BAKERY_MAIN = {
-    .entity_id = "light.bakery_main",
-    .kind      = ROOM_ENTITY_LIGHT,
-    .available = true,
-    .on        = false,
-    .value     = -1,
-};
-
-static room_entity_t ENT_BEDROOM_MAIN = {
-    .entity_id = "light.bedroom_main",
-    .kind      = ROOM_ENTITY_LIGHT,
-    .available = true,
-    .on        = true,
-    .value     = 75,
-};
-
-static room_entity_t ENT_LIVING_MAIN = {
-    .entity_id = "light.living_main",
-    .kind      = ROOM_ENTITY_LIGHT,
-    .available = true,
-    .on        = false,
-    .value     = -1,
-};
-
-static room_entity_t* ROOM0_ENTS[] = {&ENT_BAKERY_MAIN};
-static room_entity_t* ROOM1_ENTS[] = {&ENT_BEDROOM_MAIN};
-static room_entity_t* ROOM2_ENTS[] = {&ENT_LIVING_MAIN};
-
-static room_t ROOMS[] = {
-    {.room_id      = "bakery",
-     .name         = "Bakery",
-     .entities     = (room_entity_t**)ROOM0_ENTS,
-     .entity_count = 1,
-     .temp_c       = 24,
-     .humidity     = 48},
-    {.room_id      = "bedroom",
-     .name         = "Bedroom",
-     .entities     = (room_entity_t**)ROOM1_ENTS,
-     .entity_count = 1,
-     .temp_c       = 23,
-     .humidity     = 50},
-    {.room_id      = "living",
-     .name         = "Living Room",
-     .entities     = (room_entity_t**)ROOM2_ENTS,
-     .entity_count = 1,
-     .temp_c       = 25,
-     .humidity     = 45},
-};
-
-static rooms_state_t INITIAL_STATE = {
-    .rooms      = ROOMS,
-    .room_count = sizeof(ROOMS) / sizeof(ROOMS[0]),
-};
-
 static void ui_page_rooms_delete_cb(lv_event_t* event)
 {
     if (event == NULL)
@@ -395,7 +342,7 @@ lv_obj_t* ui_page_rooms_create(lv_obj_t* parent)
 
     s_ctx = ctx;
 
-    ui_page_rooms_set_state(&INITIAL_STATE);
+    ui_page_rooms_set_state(rooms_provider_get_state());
     play_intro(ctx);
 
     return page;

platforms/desktop/CMakeLists.txt

@@ -90,6 +90,7 @@ set(ROOMS_PAGE_SHARED_SRCS
     custom/ui/widgets/ui_room_card.c
     custom/ui/ui_theme.c
     custom/ui/ui_wallpaper.c
+    custom/integration/rooms_provider.c
 )
 
 add_executable(rooms_page_test ${ROOMS_PAGE_SHARED_SRCS} tests/ui/rooms_page_test.c)

tests/CMakeLists.txt

@@ -58,11 +58,16 @@ endif()
 # -----------------------------
 add_library(ui_rooms_under_test
   ${REPO_ROOT}/custom/ui/pages/ui_page_rooms.c
+  ${REPO_ROOT}/custom/ui/pages/ui_rooms_model.c
+  ${REPO_ROOT}/custom/ui/widgets/ui_room_card.c
+  ${REPO_ROOT}/custom/ui/ui_theme.c
   ${REPO_ROOT}/custom/ui/ui_wallpaper.c
+  ${REPO_ROOT}/custom/integration/rooms_provider.c
 )
 target_include_directories(ui_rooms_under_test PUBLIC
   ${REPO_ROOT}/custom/ui
   ${REPO_ROOT}/custom/ui/pages
+  ${REPO_ROOT}/custom/integration
 )
 target_link_libraries(ui_rooms_under_test PUBLIC lvgl::lvgl lvgl_config)
 

tests/ui/rooms_page_snapshot.c

@@ -8,6 +8,7 @@
 #include <string.h>
 
 #include "custom/ui/pages/ui_page_rooms.h"
+#include "integration/rooms_provider.h"
 #include "lvgl.h"
 
 #define SNAP_SCREEN_WIDTH  1280
@@ -50,6 +51,8 @@ int main(void)
     lv_obj_t* screen = lv_screen_active();
     lv_obj_clean(screen);
 
+    rooms_provider_reset_state();
+
     lv_obj_t* page = ui_page_rooms_create(screen);
     if (page == NULL)
     {

tests/ui/rooms_page_test.c

@@ -9,6 +9,7 @@
 #include <string.h>
 
 #include "custom/ui/pages/ui_page_rooms.h"
+#include "integration/rooms_provider.h"
 #include "lvgl.h"
 
 #define TEST_SCREEN_WIDTH  1280
@@ -101,6 +102,8 @@ int main(void)
     lv_obj_t* screen = lv_screen_active();
     lv_obj_clean(screen);
 
+    rooms_provider_reset_state();
+
     lv_obj_t* page = ui_page_rooms_create(screen);
     if (page == NULL)
     {
@@ -142,6 +145,76 @@ int main(void)
         }
     }
 
+    room_entity_t bakery_main = {
+        .entity_id = "light.bakery_main",
+        .kind      = ROOM_ENTITY_LIGHT,
+        .available = true,
+        .on        = true,
+        .value     = 10,
+    };
+    room_entity_t bedroom_main = {
+        .entity_id = "light.bedroom_main",
+        .kind      = ROOM_ENTITY_LIGHT,
+        .available = true,
+        .on        = false,
+        .value     = -1,
+    };
+    room_entity_t living_scene = {
+        .entity_id = "switch.living_scene",
+        .kind      = ROOM_ENTITY_SWITCH,
+        .available = true,
+        .on        = true,
+        .value     = -1,
+    };
+
+    room_entity_t* bakery_entities[]  = {&bakery_main};
+    room_entity_t* bedroom_entities[] = {&bedroom_main};
+    room_entity_t* living_entities[]  = {&living_scene};
+
+    room_t updated_rooms[] = {
+        {.room_id      = "bakery",
+         .name         = "Bakery",
+         .entities     = bakery_entities,
+         .entity_count = 1,
+         .temp_c       = 22,
+         .humidity     = 41},
+        {.room_id      = "bedroom",
+         .name         = "Bedroom",
+         .entities     = bedroom_entities,
+         .entity_count = 1,
+         .temp_c       = 21,
+         .humidity     = 46},
+        {.room_id      = "living",
+         .name         = "Living Room",
+         .entities     = living_entities,
+         .entity_count = 1,
+         .temp_c       = 24,
+         .humidity     = 44},
+    };
+
+    rooms_state_t updated_state = {
+        .rooms      = updated_rooms,
+        .room_count = sizeof(updated_rooms) / sizeof(updated_rooms[0]),
+    };
+
+    rooms_provider_set_state(&updated_state);
+    ui_page_rooms_set_state(rooms_provider_get_state());
+
+    lv_obj_t* living_toggle = ui_page_rooms_get_toggle("living");
+    if (!ensure(living_toggle != NULL, "Living toggle missing after update"))
+    {
+        return 1;
+    }
+    lv_obj_send_event(living_toggle, LV_EVENT_CLICKED, NULL);
+    if (!ensure(capture.last_entity != NULL
+                    && strcmp(capture.last_entity, "switch.living_scene") == 0,
+                "Updated entity id not reflected"))
+    {
+        return 1;
+    }
+
+    rooms_provider_reset_state();
+
     for (size_t i = 0; i < k_room_count; i++)
     {
         lv_obj_t* card = ui_page_rooms_get_card(room_ids[i]);