chore: 修改默认greeter壁纸

修改默认greeter壁纸

accounts1/user.go

@@ -70,14 +70,48 @@ const (
 	defaultWorkspace       = 1
 )
 
+const (
+	deepinThemePath         = "/usr/share/deepin-themes/"
+	defaultTheme            = "bloom"
+	themeFile               = "index.theme"
+	themeGroupDefault       = "DefaultTheme"
+	themeGroupDark          = "DarkTheme"
+	configKeyLockBackground = "LockBackground"
+)
+
+func getThemeLockBackground(theme string) string {
+	kf, err := dutils.NewKeyFileFromFile(
+		path.Join(deepinThemePath, theme, themeFile))
+	if err != nil {
+		logger.Warning("load theme failed", err)
+		return ""
+	}
+	defer kf.Free()
+	bg, err := kf.GetString(themeGroupDefault, configKeyLockBackground)
+	if err != nil {
+		logger.Warning("get lock background failed", err)
+		return ""
+	}
+	if !dutils.IsFileExist(bg) {
+		return ""
+	}
+	return bg
+}
+
 func getDefaultUserBackground() string {
-	filename := filepath.Join(defaultUserBackgroundDir, "desktop.bmp")
-	_, err := os.Stat(filename)
-	if err == nil {
-		return "file://" + filename
+	bg := "file://" + filepath.Join(defaultUserBackgroundDir, "desktop.jpg")
+	value := getThemeLockBackground(defaultTheme)
+	if value == "" {
+		filename := filepath.Join(defaultUserBackgroundDir, "desktop.bmp")
+		_, err := os.Stat(filename)
+		if err == nil {
+			return "file://" + filename
+		}
+	} else {
+		bg = value
 	}
 
-	return "file://" + filepath.Join(defaultUserBackgroundDir, "desktop.jpg")
+	return bg
 }
 
 type User struct {