Release 202412292127

display.go

@@ -0,0 +1,96 @@
+package kvm
+
+import (
+	"fmt"
+	"log"
+	"time"
+)
+
+var currentScreen = "ui_Boot_Screen"
+
+func switchToScreen(screen string) {
+	_, err := CallCtrlAction("lv_scr_load", map[string]interface{}{"obj": screen})
+	if err != nil {
+		log.Printf("failed to switch to screen %s: %v", screen, err)
+		return
+	}
+	currentScreen = screen
+}
+
+var displayedTexts = make(map[string]string)
+
+func updateLabelIfChanged(objName string, newText string) {
+	if newText != "" && newText != displayedTexts[objName] {
+		_, _ = CallCtrlAction("lv_label_set_text", map[string]interface{}{"obj": objName, "text": newText})
+		displayedTexts[objName] = newText
+	}
+}
+
+func switchToScreenIfDifferent(screenName string) {
+	fmt.Println("switching screen from", currentScreen, screenName)
+	if currentScreen != screenName {
+		switchToScreen(screenName)
+	}
+}
+
+func updateDisplay() {
+	updateLabelIfChanged("ui_Home_Content_Ip", networkState.IPv4)
+	if usbState == "configured" {
+		updateLabelIfChanged("ui_Home_Footer_Usb_Status_Label", "Connected")
+		_, _ = CallCtrlAction("lv_obj_set_state", map[string]interface{}{"obj": "ui_Home_Footer_Usb_Status_Label", "state": "LV_STATE_DEFAULT"})
+	} else {
+		updateLabelIfChanged("ui_Home_Footer_Usb_Status_Label", "Disconnected")
+		_, _ = CallCtrlAction("lv_obj_set_state", map[string]interface{}{"obj": "ui_Home_Footer_Usb_Status_Label", "state": "LV_STATE_USER_2"})
+	}
+	if lastVideoState.Ready {
+		updateLabelIfChanged("ui_Home_Footer_Hdmi_Status_Label", "Connected")
+		_, _ = CallCtrlAction("lv_obj_set_state", map[string]interface{}{"obj": "ui_Home_Footer_Hdmi_Status_Label", "state": "LV_STATE_DEFAULT"})
+	} else {
+		updateLabelIfChanged("ui_Home_Footer_Hdmi_Status_Label", "Disconnected")
+		_, _ = CallCtrlAction("lv_obj_set_state", map[string]interface{}{"obj": "ui_Home_Footer_Hdmi_Status_Label", "state": "LV_STATE_USER_2"})
+	}
+	updateLabelIfChanged("ui_Home_Header_Cloud_Status_Label", fmt.Sprintf("%d active", actionSessions))
+	if networkState.Up {
+		switchToScreenIfDifferent("ui_Home_Screen")
+	} else {
+		switchToScreenIfDifferent("ui_No_Network_Screen")
+	}
+}
+
+var displayInited = false
+
+func requestDisplayUpdate() {
+	if !displayInited {
+		fmt.Println("display not inited, skipping updates")
+		return
+	}
+	go func() {
+		fmt.Println("display updating........................")
+		//TODO: only run once regardless how many pending updates
+		updateDisplay()
+	}()
+}
+
+func updateStaticContents() {
+	//contents that never change
+	updateLabelIfChanged("ui_Home_Content_Mac", networkState.MAC)
+	systemVersion, appVersion, err := GetLocalVersion()
+	if err == nil {
+		updateLabelIfChanged("ui_About_Content_Operating_System_Version_ContentLabel", systemVersion.String())
+		updateLabelIfChanged("ui_About_Content_App_Version_Content_Label", appVersion.String())
+	}
+
+	updateLabelIfChanged("ui_Status_Content_Device_Id_Content_Label", GetDeviceID())
+}
+
+func init() {
+	go func() {
+		waitCtrlClientConnected()
+		fmt.Println("setting initial display contents")
+		time.Sleep(500 * time.Millisecond)
+		updateStaticContents()
+		displayInited = true
+		fmt.Println("display inited")
+		requestDisplayUpdate()
+	}()
+}