feat: Add lvgl display theme control (#1180)

* feat: Add lvgl display theme control

* fix: compiling errors

* move light/dark themes to lcd display

* fix compile errors

---------

Co-authored-by: Xiaoxia <terrence.huang@tenclass.com>

main/display/lvgl_display/lvgl_display.h

@@ -0,0 +1,57 @@
+#ifndef LVGL_DISPLAY_H
+#define LVGL_DISPLAY_H
+
+#include "display.h"
+
+#include <lvgl.h>
+#include <esp_timer.h>
+#include <esp_log.h>
+#include <esp_pm.h>
+
+#include <string>
+#include <chrono>
+
+class LvglDisplay : public Display {
+public:
+    LvglDisplay();
+    virtual ~LvglDisplay();
+
+    virtual void SetStatus(const char* status);
+    virtual void ShowNotification(const char* notification, int duration_ms = 3000);
+    virtual void ShowNotification(const std::string &notification, int duration_ms = 3000);
+    virtual void SetEmotion(const char* emotion);
+    virtual void SetChatMessage(const char* role, const char* content);
+    virtual void SetPreviewImage(const lv_img_dsc_t* image);
+    virtual void SetTheme(Theme* theme);
+    virtual Theme* GetTheme() { return current_theme_; }
+    virtual void UpdateStatusBar(bool update_all = false);
+    virtual void SetPowerSaveMode(bool on);
+
+protected:
+    esp_pm_lock_handle_t pm_lock_ = nullptr;
+    lv_display_t *display_ = nullptr;
+
+    lv_obj_t *emotion_label_ = nullptr;
+    lv_obj_t *network_label_ = nullptr;
+    lv_obj_t *status_label_ = nullptr;
+    lv_obj_t *notification_label_ = nullptr;
+    lv_obj_t *mute_label_ = nullptr;
+    lv_obj_t *battery_label_ = nullptr;
+    lv_obj_t* chat_message_label_ = nullptr;
+    lv_obj_t* low_battery_popup_ = nullptr;
+    lv_obj_t* low_battery_label_ = nullptr;
+    
+    const char* battery_icon_ = nullptr;
+    const char* network_icon_ = nullptr;
+    bool muted_ = false;
+
+    std::chrono::system_clock::time_point last_status_update_time_;
+    esp_timer_handle_t notification_timer_ = nullptr;
+
+    friend class DisplayLockGuard;
+    virtual bool Lock(int timeout_ms = 0) = 0;
+    virtual void Unlock() = 0;
+};
+
+
+#endif