Allow resetting to default download location

app/src/main/kotlin/com/hippo/ehviewer/ui/settings/DownloadScreen.kt

@@ -51,6 +51,7 @@ import com.hippo.ehviewer.ui.composing
 import com.hippo.ehviewer.ui.keepNoMediaFileStatus
 import com.hippo.ehviewer.ui.tools.observed
 import com.hippo.ehviewer.ui.tools.rememberedAccessor
+import com.hippo.ehviewer.util.AppConfig
 import com.hippo.ehviewer.util.displayPath
 import com.hippo.ehviewer.util.displayString
 import com.hippo.files.delete
@@ -68,6 +69,7 @@ import eu.kanade.tachiyomi.util.system.logcat
 import kotlinx.coroutines.launch
 import moe.tarsin.coroutines.runSuspendCatching
 import okio.Path
+import okio.Path.Companion.toOkioPath
 import splitties.init.appCtx
 
 @Destination<RootGraph>
@@ -111,7 +113,27 @@ fun AnimatedVisibilityScope.DownloadScreen(navigator: DestinationsNavigator) = c
                 title = stringResource(id = R.string.settings_download_download_location),
                 summary = downloadLocationState.toUri().displayPath,
             ) {
-                selectDownloadDirLauncher.launch(null)
+                launchIO {
+                    val defaultDownloadDir = AppConfig.defaultDownloadDir
+                    if (defaultDownloadDir?.delete() == false) {
+                        val path = defaultDownloadDir.toOkioPath()
+                        awaitConfirmationOrCancel(
+                            confirmText = R.string.pick_new_download_location,
+                            dismissText = if (downloadLocationState != path) {
+                                R.string.reset_download_location
+                            } else {
+                                android.R.string.cancel
+                            },
+                            title = R.string.waring,
+                            onCancelButtonClick = {
+                                downloadLocationState = path
+                            },
+                        ) {
+                            Text(stringResource(id = R.string.default_download_dir_not_empty))
+                        }
+                    }
+                    selectDownloadDirLauncher.launch(null)
+                }
             }
             val mediaScan = Settings::mediaScan.observed
             SwitchPreference(

app/src/main/res/values-nb-rNO/strings.xml

@@ -138,6 +138,7 @@
     <string name="toplist_pastyear">Forrige år</string>
     <string name="toplist_yesterday">I går</string>
     <string name="action_add_tag">Legg til etikett</string>
+    <string name="reset_download_location">Tilbakestill til forvalg</string>
     <string name="dont_show_again">Ikke vis igjen</string>
     <string name="comment_user_uploader">%s (opplaster)</string>
     <string name="copy_trans">Kopier oversettelse</string>

app/src/main/res/values-zh-rCN/strings.xml

@@ -476,6 +476,9 @@
     <string name="settings_eh_request_news">定时请求新闻页面</string>
     <string name="settings_eh_hide_hv_events">隐藏 HV 事件通知</string>
     <string name="copy_trans">复制翻译</string>
+    <string name="default_download_dir_not_empty">默认下载目录非空！</string>
+    <string name="reset_download_location">恢复默认路径</string>
+    <string name="pick_new_download_location">选择新路径</string>
     <string name="dont_show_again">不再显示</string>
     <string name="open_settings">打开设置</string>
     <string name="app_link_not_verified_message">对于 Android 12 及更新的版本，您需要手动添加链接到已验证链接才能在 EhViewer 中打开 E-Hentai 链接。</string>

app/src/main/res/values-zh-rTW/strings.xml

@@ -469,6 +469,8 @@
     <string name="settings_eh_request_news">啟動時請求新聞頁面</string>
     <string name="settings_eh_hide_hv_events">隱藏 HV 事件通知</string>
     <string name="copy_trans">複製翻譯</string>
+    <string name="reset_download_location">恢復預設路徑</string>
+    <string name="pick_new_download_location">選擇新路徑</string>
     <string name="dont_show_again">不再顯示</string>
     <string name="open_settings">開啟設定</string>
     <string name="app_link_not_verified_message">對於 Android 12 及更新的版本，您需要手動增加連結到已驗證連結才能在 EhViewer 中開啟 E-Hentai 連結。</string>

app/src/main/res/values/strings.xml

@@ -493,6 +493,9 @@
     <string name="settings_eh_request_news">Timed request news page</string>
     <string name="settings_eh_hide_hv_events">Hide HV event Notifications</string>
     <string name="copy_trans">Copy translation</string>
+    <string name="default_download_dir_not_empty">The default download directory is not empty!</string>
+    <string name="reset_download_location">Reset to default</string>
+    <string name="pick_new_download_location">Pick a new location</string>
     <string name="dont_show_again">Don\'t show again</string>
     <string name="open_settings">Open settings</string>
     <string name="app_link_not_verified_message">For Android 12 and newer, you need to manually add link to verified links in order to open E-Hentai links in EhViewer.</string>