feat: 优化代码

app/src/main/java/io/legado/app/ui/widget/font/FontAdapter.kt

@@ -20,7 +20,7 @@ class FontAdapter(context: Context, val callBack: CallBack) :
             tv_font.typeface = typeface
             tv_font.text = item.name
             this.onClick { callBack.onClick(item) }
-            if (item.name == callBack.curFilePath().substringAfterLast(File.separator)) {
+            if (item.name == callBack.curFilePath.substringAfterLast(File.separator)) {
                 iv_checked.visible()
             } else {
                 iv_checked.invisible()
@@ -38,6 +38,6 @@ class FontAdapter(context: Context, val callBack: CallBack) :
 
     interface CallBack {
         fun onClick(file: File)
-        fun curFilePath(): String
+        val curFilePath: String
     }
 }

app/src/main/java/io/legado/app/ui/widget/font/FontSelectDialog.kt

@@ -209,7 +209,7 @@ class FontSelectDialog : BaseDialogFragment(),
         launch(IO) {
             file.copyTo(FileUtils.createFileIfNotExist(fontFolder, file.name), true)
                 .absolutePath.let { path ->
-                if (callBack?.curFontPath != path) {
+                if (curFilePath != path) {
                     withContext(Main) {
                         callBack?.selectFile(path)
                     }
@@ -219,10 +219,6 @@ class FontSelectDialog : BaseDialogFragment(),
         }
     }
 
-    override fun curFilePath(): String {
-        return callBack?.curFontPath ?: ""
-    }
-
     override fun onFilePicked(requestCode: Int, currentPath: String) {
         when (requestCode) {
             fontFolderRequestCode -> {
@@ -256,13 +252,15 @@ class FontSelectDialog : BaseDialogFragment(),
     }
 
     private fun onDefaultFontChange() {
-        if (curFilePath() == "") {
+        if (curFilePath == "") {
             postEvent(EventBus.UP_CONFIG, true)
         } else {
             callBack?.selectFile("")
         }
     }
 
+    override val curFilePath: String get() = callBack?.curFontPath ?: ""
+
     private val callBack: CallBack?
         get() = (parentFragment as? CallBack) ?: (activity as? CallBack)