INNER CODE UNIT · Swift

openFile

cometchat/cometchat-uikit-flutter · packages/cometchat_uikit/ios/Classes/SwiftCometchatChatUikitPlugin.swift:449

    private func openFile(args: [String: Any]) {
        guard let path = args["file_path"] as? String else { return }
        previewItem = NSURL(fileURLWithPath: path)

        let preview = QLPreviewController()
        preview.dataSource = self
        CometchatChatUikitPlugin.uiViewController?.present(preview, animated: true)
    }

    // MARK: - Save As (document export)
    /// "Save as" — presents the system location picker (export mode) so the user
    /// chooses where the file lands. Uses the cached local copy when present,
    /// else downloads the URL to a temp file first. Result to Flutter: a
    /// non-empty string on success, or nil on cancel/failure.
    private func saveFileWithPicker(args: [String: Any], result: @escaping FlutterResult) {
        let urlStr = args["url"] as? String
        let fileName = (args["fileName"] as? String) ?? "download"
        let localPath = args["path"] as? String

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