feat: select directory to save last book cover image (#2521)

apps/readest-app/src-tauri/plugins/tauri-plugin-native-bridge/android/src/main/java/NativeBridgePlugin.kt

@@ -8,6 +8,7 @@ import android.util.Log
 import android.os.Build
 import android.os.Environment
 import android.provider.Settings
+import android.provider.DocumentsContract
 import android.view.View
 import android.view.KeyEvent
 import android.view.WindowInsets
@@ -25,6 +26,8 @@ import androidx.core.content.FileProvider
 import androidx.core.content.ContextCompat
 import androidx.core.view.WindowInsetsCompat
 import androidx.core.view.WindowInsetsControllerCompat
+import androidx.activity.result.ActivityResultLauncher
+import androidx.activity.result.contract.ActivityResultContracts
 import androidx.browser.customtabs.CustomTabsIntent
 import app.tauri.annotation.Command
 import app.tauri.annotation.InvokeArg
@@ -128,11 +131,16 @@ class NativeBridgePlugin(private val activity: Activity): Plugin(activity) {
     }
 
     companion object {
-        var pendingInvoke: Invoke? = null
         private const val REQUEST_MANAGE_STORAGE = 1001
+        private const val FOLDER_PICKER_REQUEST_CODE = 1002
+        var pendingInvoke: Invoke? = null
+        var pendingFolderPickerInvoke: Invoke? = null
+        private var instance: NativeBridgePlugin? = null
+        fun getInstance(): NativeBridgePlugin? = instance
     }
 
     override fun load(webView: WebView) {
+        instance = this
         super.load(webView)
         handleIntent(activity.intent)
     }
@@ -682,4 +690,87 @@ class NativeBridgePlugin(private val activity: Activity): Plugin(activity) {
             invoke.reject("Failed to open URL: ${e.message}")
         }
     }
+
+    @Command
+    fun select_directory(invoke: Invoke) {
+        pendingFolderPickerInvoke = invoke
+
+        try {
+            val intent = Intent(Intent.ACTION_OPEN_DOCUMENT_TREE)
+            activity.startActivityForResult(intent, FOLDER_PICKER_REQUEST_CODE)
+        } catch (e: Exception) {
+            val result = JSObject()
+            result.put("cancelled", true)
+            result.put("uri", null)
+            result.put("path", null)
+            result.put("error", e.message)
+            invoke.resolve(result)
+            pendingFolderPickerInvoke = null
+        }
+    }
+
+    fun handleActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        if (requestCode == FOLDER_PICKER_REQUEST_CODE) {
+            val invoke = pendingFolderPickerInvoke
+            if (invoke != null) {
+                handleDirectorySelected(data?.data, invoke)
+                pendingFolderPickerInvoke = null
+            }
+        }
+    }
+
+    private fun handleDirectorySelected(uri: Uri?, invoke: Invoke) {
+        val result = JSObject()
+        if (uri == null) {
+            result.put("cancelled", true)
+            result.put("uri", null)
+            result.put("path", null)
+        } else {
+            try {
+                val flags = Intent.FLAG_GRANT_READ_URI_PERMISSION or
+                          Intent.FLAG_GRANT_WRITE_URI_PERMISSION
+                activity.contentResolver.takePersistableUriPermission(uri, flags)
+                result.put("cancelled", false)
+                result.put("uri", uri.toString())
+                result.put("path", extractPathFromUri(uri))
+            } catch (e: SecurityException) {
+                result.put("cancelled", true)
+                result.put("uri", uri.toString())
+                result.put("path", extractPathFromUri(uri))
+                result.put("error", "Permission error: ${e.message}")
+            } catch (e: Exception) {
+                result.put("cancelled", true)
+                result.put("uri", null)
+                result.put("path", null)
+                result.put("error", "Error: ${e.message}")
+            }
+        }
+
+        invoke.resolve(result)
+        pendingInvoke = null
+    }
+
+    private fun extractPathFromUri(uri: Uri): String? {
+        val path = uri.path ?: return null
+        return try {
+            when {
+                DocumentsContract.isTreeUri(uri) -> {
+                    val treeDocId = DocumentsContract.getTreeDocumentId(uri)
+                    val split = treeDocId.split(":")
+                    if (split[0].equals("primary", ignoreCase = true)) {
+                        if (split.size > 1) {
+                            Environment.getExternalStorageDirectory().path + "/" + split[1]
+                        } else {
+                            Environment.getExternalStorageDirectory().path
+                        }
+                    } else {
+                        "/storage/${split[0]}/" + (if (split.size > 1) split[1] else "")
+                    }
+                }
+                else -> null
+            }
+        } catch (e: Exception) {
+            path
+        }
+    }
 }

apps/readest-app/src-tauri/plugins/tauri-plugin-native-bridge/build.rs

@@ -19,6 +19,7 @@ const COMMANDS: &[&str] = &[
     "set_screen_brightness",
     "get_external_sdcard_path",
     "open_external_url",
+    "select_directory",
     "request_manage_storage_permission",
     "check_permissions",
     "request_permissions",

apps/readest-app/src-tauri/plugins/tauri-plugin-native-bridge/permissions/autogenerated/commands/select_directory.toml

@@ -0,0 +1,13 @@
+# Automatically generated - DO NOT EDIT!
+
+"$schema" = "../../schemas/schema.json"
+
+[[permission]]
+identifier = "allow-select-directory"
+description = "Enables the select_directory command without any pre-configured scope."
+commands.allow = ["select_directory"]
+
+[[permission]]
+identifier = "deny-select-directory"
+description = "Denies the select_directory command without any pre-configured scope."
+commands.deny = ["select_directory"]

apps/readest-app/src-tauri/plugins/tauri-plugin-native-bridge/permissions/autogenerated/reference.md

@@ -24,6 +24,7 @@ Default permissions for the plugin
 - `allow-set-screen-brightness`
 - `allow-get-external-sdcard-path`
 - `allow-open-external-url`
+- `allow-select-directory`
 - `allow-request-manage-storage-permission`
 - `allow-check-permissions`
 - `allow-request-permissions`
@@ -666,6 +667,32 @@ Denies the request_permissions command without any pre-configured scope.
 <tr>
 <td>
 
+`native-bridge:allow-select-directory`
+
+</td>
+<td>
+
+Enables the select_directory command without any pre-configured scope.
+
+</td>
+</tr>
+
+<tr>
+<td>
+
+`native-bridge:deny-select-directory`
+
+</td>
+<td>
+
+Denies the select_directory command without any pre-configured scope.
+
+</td>
+</tr>
+
+<tr>
+<td>
+
 `native-bridge:allow-set-screen-brightness`
 
 </td>

apps/readest-app/src-tauri/plugins/tauri-plugin-native-bridge/permissions/default.toml

@@ -21,6 +21,7 @@ permissions = [
   "allow-set-screen-brightness",
   "allow-get-external-sdcard-path",
   "allow-open-external-url",
+  "allow-select-directory",
   "allow-request-manage-storage-permission",
   "allow-check-permissions",
   "allow-request-permissions",

apps/readest-app/src-tauri/plugins/tauri-plugin-native-bridge/permissions/schemas/schema.json

@@ -582,6 +582,18 @@
           "const": "deny-request-permissions",
           "markdownDescription": "Denies the request_permissions command without any pre-configured scope."
         },
+        {
+          "description": "Enables the select_directory command without any pre-configured scope.",
+          "type": "string",
+          "const": "allow-select-directory",
+          "markdownDescription": "Enables the select_directory command without any pre-configured scope."
+        },
+        {
+          "description": "Denies the select_directory command without any pre-configured scope.",
+          "type": "string",
+          "const": "deny-select-directory",
+          "markdownDescription": "Denies the select_directory command without any pre-configured scope."
+        },
         {
           "description": "Enables the set_screen_brightness command without any pre-configured scope.",
           "type": "string",
@@ -619,10 +631,10 @@
           "markdownDescription": "Denies the use_background_audio command without any pre-configured scope."
         },
         {
-          "description": "Default permissions for the plugin\n#### This default permission set includes:\n\n- `allow-auth-with-safari`\n- `allow-auth-with-custom-tab`\n- `allow-copy-uri-to-path`\n- `allow-use-background-audio`\n- `allow-install-package`\n- `allow-set-system-ui-visibility`\n- `allow-get-status-bar-height`\n- `allow-get-sys-fonts-list`\n- `allow-intercept-keys`\n- `allow-lock-screen-orientation`\n- `allow-iap-initialize`\n- `allow-iap-fetch-products`\n- `allow-iap-purchase-product`\n- `allow-iap-restore-purchases`\n- `allow-get-system-color-scheme`\n- `allow-get-safe-area-insets`\n- `allow-get-screen-brightness`\n- `allow-set-screen-brightness`\n- `allow-get-external-sdcard-path`\n- `allow-open-external-url`\n- `allow-request-manage-storage-permission`\n- `allow-check-permissions`\n- `allow-request-permissions`\n- `allow-checkPermissions`\n- `allow-requestPermissions`",
+          "description": "Default permissions for the plugin\n#### This default permission set includes:\n\n- `allow-auth-with-safari`\n- `allow-auth-with-custom-tab`\n- `allow-copy-uri-to-path`\n- `allow-use-background-audio`\n- `allow-install-package`\n- `allow-set-system-ui-visibility`\n- `allow-get-status-bar-height`\n- `allow-get-sys-fonts-list`\n- `allow-intercept-keys`\n- `allow-lock-screen-orientation`\n- `allow-iap-initialize`\n- `allow-iap-fetch-products`\n- `allow-iap-purchase-product`\n- `allow-iap-restore-purchases`\n- `allow-get-system-color-scheme`\n- `allow-get-safe-area-insets`\n- `allow-get-screen-brightness`\n- `allow-set-screen-brightness`\n- `allow-get-external-sdcard-path`\n- `allow-open-external-url`\n- `allow-select-directory`\n- `allow-request-manage-storage-permission`\n- `allow-check-permissions`\n- `allow-request-permissions`\n- `allow-checkPermissions`\n- `allow-requestPermissions`",
           "type": "string",
           "const": "default",
-          "markdownDescription": "Default permissions for the plugin\n#### This default permission set includes:\n\n- `allow-auth-with-safari`\n- `allow-auth-with-custom-tab`\n- `allow-copy-uri-to-path`\n- `allow-use-background-audio`\n- `allow-install-package`\n- `allow-set-system-ui-visibility`\n- `allow-get-status-bar-height`\n- `allow-get-sys-fonts-list`\n- `allow-intercept-keys`\n- `allow-lock-screen-orientation`\n- `allow-iap-initialize`\n- `allow-iap-fetch-products`\n- `allow-iap-purchase-product`\n- `allow-iap-restore-purchases`\n- `allow-get-system-color-scheme`\n- `allow-get-safe-area-insets`\n- `allow-get-screen-brightness`\n- `allow-set-screen-brightness`\n- `allow-get-external-sdcard-path`\n- `allow-open-external-url`\n- `allow-request-manage-storage-permission`\n- `allow-check-permissions`\n- `allow-request-permissions`\n- `allow-checkPermissions`\n- `allow-requestPermissions`"
+          "markdownDescription": "Default permissions for the plugin\n#### This default permission set includes:\n\n- `allow-auth-with-safari`\n- `allow-auth-with-custom-tab`\n- `allow-copy-uri-to-path`\n- `allow-use-background-audio`\n- `allow-install-package`\n- `allow-set-system-ui-visibility`\n- `allow-get-status-bar-height`\n- `allow-get-sys-fonts-list`\n- `allow-intercept-keys`\n- `allow-lock-screen-orientation`\n- `allow-iap-initialize`\n- `allow-iap-fetch-products`\n- `allow-iap-purchase-product`\n- `allow-iap-restore-purchases`\n- `allow-get-system-color-scheme`\n- `allow-get-safe-area-insets`\n- `allow-get-screen-brightness`\n- `allow-set-screen-brightness`\n- `allow-get-external-sdcard-path`\n- `allow-open-external-url`\n- `allow-select-directory`\n- `allow-request-manage-storage-permission`\n- `allow-check-permissions`\n- `allow-request-permissions`\n- `allow-checkPermissions`\n- `allow-requestPermissions`"
         }
       ]
     }

apps/readest-app/src-tauri/plugins/tauri-plugin-native-bridge/src/commands.rs

@@ -157,6 +157,13 @@ pub(crate) async fn open_external_url<R: Runtime>(
     app.native_bridge().open_external_url(payload)
 }
 
+#[command]
+pub(crate) async fn select_directory<R: Runtime>(
+    app: AppHandle<R>,
+) -> Result<SelectDirectoryResponse> {
+    app.native_bridge().select_directory()
+}
+
 #[command]
 pub(crate) async fn request_manage_storage_permission<R: Runtime>(
     app: AppHandle<R>,

apps/readest-app/src-tauri/plugins/tauri-plugin-native-bridge/src/desktop.rs

@@ -129,6 +129,10 @@ impl<R: Runtime> NativeBridge<R> {
         Err(crate::Error::UnsupportedPlatformError)
     }
 
+    pub fn select_directory(&self) -> crate::Result<SelectDirectoryResponse> {
+        Err(crate::Error::UnsupportedPlatformError)
+    }
+
     pub fn request_manage_storage_permission(
         &self,
     ) -> crate::Result<RequestManageStoragePermissionResponse> {

apps/readest-app/src-tauri/plugins/tauri-plugin-native-bridge/src/lib.rs

@@ -57,6 +57,7 @@ pub fn init<R: Runtime>() -> TauriPlugin<R> {
             commands::set_screen_brightness,
             commands::get_external_sdcard_path,
             commands::open_external_url,
+            commands::select_directory,
             commands::request_manage_storage_permission,
         ])
         .setup(|app, api| {

apps/readest-app/src-tauri/plugins/tauri-plugin-native-bridge/src/mobile.rs

@@ -208,6 +208,14 @@ impl<R: Runtime> NativeBridge<R> {
     }
 }
 
+impl<R: Runtime> NativeBridge<R> {
+    pub fn select_directory(&self) -> crate::Result<SelectDirectoryResponse> {
+        self.0
+            .run_mobile_plugin("select_directory", ())
+            .map_err(Into::into)
+    }
+}
+
 impl<R: Runtime> NativeBridge<R> {
     pub fn request_manage_storage_permission(
         &self,

apps/readest-app/src-tauri/plugins/tauri-plugin-native-bridge/src/models.rs

@@ -215,3 +215,12 @@ pub struct OpenExternalUrlResponse {
     pub success: bool,
     pub error: Option<String>,
 }
+
+#[derive(Debug, Deserialize, Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct SelectDirectoryResponse {
+    pub cancelled: Option<bool>,
+    pub uri: Option<String>,
+    pub path: Option<String>,
+    pub error: Option<String>,
+}