FileContextMenu: disable paste/delete when cache is readonly

Also simplified paste enable checks: ignore file under mouse for now since
we paste on current cache & not on the folder under the mouse anyway.

src/components/App.tsx

@@ -62,22 +62,18 @@ const App = observer(() => {
             status: activeCache.status,
             path: activeCache.path,
             selectedLength: activeCache.selected.length,
-            // enable when FsZip is merged
-            isReadonly: false,
-            isIndirect: false,
             historyLength: activeCache.history.length,
             historyCurrent: activeCache.current,
             isRoot: API.isRoot(activeCache.path),
-            // isReadonly: activeCache.getFS().options.readonly,
-            // isIndirect: activeCache.getFS().options.indirect,
+            isReadonly: fs.options.readonly,
+            isIndirect: fs.options.indirect,
             isOverlayOpen: refIsOverlayOpen.current,
             activeViewTabNums: activeView.caches.length,
             isExplorer: appState.isExplorer,
             language: settingsState.lang,
             filesLength: activeCache.files.length,
             clipboardLength: appState.clipboard.files.length,
             activeViewId: activeView.viewId,
-            // missing: about opened, tab: is it needed?
         }
     }, [appState])
 

src/components/menus/FileContextMenu.tsx

@@ -14,11 +14,14 @@ const FileContextMenu = ({ fileUnderMouse }: Props) => {
     const { appState } = useStores('appState')
     const clipboard = appState.clipboard
     const cache = appState.getActiveCache()
+    const isReadonly = cache.options.readonly
 
-    // TODO: disable delete/paste when cahce.fs.readonly is true
     const numFilesInClipboard = clipboard.files.length
     const isInSelection = fileUnderMouse && !!cache.selected.find((file) => sameID(file.id, fileUnderMouse.id))
-    const isPasteEnabled = numFilesInClipboard && ((!fileUnderMouse && !cache.error) || fileUnderMouse?.isDir)
+    // FIXME: if fileUnderMouse is a folder, we could paste inside that folder. Right now paste doesn't care about
+    // where click happens: it just uses current cache as target.
+    // ((!fileUnderMouse && !cache.error) || fileUnderMouse?.isDir)
+    const isPasteEnabled = numFilesInClipboard && !isReadonly
 
     const onCopy = () => {
         clipboard.setClipboard(cache, !isInSelection ? [fileUnderMouse] : undefined)
@@ -59,7 +62,7 @@ const FileContextMenu = ({ fileUnderMouse }: Props) => {
                 icon="delete"
                 intent={Intent.DANGER}
                 text={t('APP_MENUS.DELETE')}
-                disabled={!fileUnderMouse}
+                disabled={!fileUnderMouse || isReadonly}
                 onClick={onDelete}
             />
         </Menu>

src/services/plugins/FsZip.ts

@@ -1,7 +1,5 @@
 /* eslint-disable @typescript-eslint/no-unused-vars */
 import StreamZip, { StreamZipAsync, ZipEntry } from 'node-stream-zip'
-import type { ReadStream, BigIntStats } from 'fs'
-import { Transform, TransformCallback } from 'stream'
 import * as path from 'path'
 
 import { FsApi, FileDescriptor, Credentials, Fs, filetype, MakeId } from '$src/services/Fs'
@@ -16,10 +14,6 @@ const getZipPathRegEx = /(?<=\.zip).*/i
 // we accept Windows style paths (eg. C:\foo...) and unix paths (eg. /foo or ./foo)
 const isRoot = (isWin && /((([a-zA-Z]\:)(\\)*)|(\\\\))$/) || /^\/$/
 
-const progressFunc = throttle((progress: (bytes: number) => void, bytesRead: number) => {
-    progress(bytesRead)
-}, 400)
-
 export const checkDirectoryName = (dirName: string) => !!!dirName.match(invalidDirChars) && dirName !== '/'
 
 export interface ZipMethods {

src/state/fileState.ts

@@ -722,4 +722,8 @@ export class FileState {
     setViewMode(newViewMode: ViewModeName) {
         this.viewmode = newViewMode
     }
+
+    get options() {
+        return this.fs.options
+    }
 }