99 lines
3.2 KiB
Swift
99 lines
3.2 KiB
Swift
//
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// Copyright 2020 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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//
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import Foundation
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extension NSItemProvider {
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func loadUrl(forTypeIdentifier typeIdentifier: String, options: [AnyHashable: Any]?) -> Promise<URL> {
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return Promise { future in
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self.ows_loadUrl(forTypeIdentifier: typeIdentifier, options: options) { url, error in
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if let error = error {
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future.reject(error)
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return
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}
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guard let url = url else {
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future.reject(OWSAssertionError("url was unexpectedly nil"))
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return
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}
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future.resolve(url)
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}
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}
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}
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func loadData(forTypeIdentifier typeIdentifier: String, options: [AnyHashable: Any]?) -> Promise<Data> {
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return Promise { future in
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self.ows_loadData(forTypeIdentifier: typeIdentifier, options: options) { data, error in
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if let error = error {
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future.reject(error)
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return
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}
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guard let data = data else {
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future.reject(OWSAssertionError("data was unexpectedly nil"))
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return
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}
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future.resolve(data)
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}
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}
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}
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func loadText(forTypeIdentifier typeIdentifier: String, options: [AnyHashable: Any]?) -> Promise<String> {
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return Promise { future in
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self.ows_loadText(forTypeIdentifier: typeIdentifier, options: options) { text, error in
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if let error = error {
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future.reject(error)
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return
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}
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guard let text = text else {
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future.reject(OWSAssertionError("data was unexpectedly nil"))
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return
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}
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future.resolve(text)
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}
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}
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}
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func loadAttributedText(forTypeIdentifier typeIdentifier: String, options: [AnyHashable: Any]?) -> Promise<NSAttributedString> {
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return Promise { future in
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self.ows_loadAttributedText(forTypeIdentifier: typeIdentifier, options: options) { attributedText, error in
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if let error = error {
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future.reject(error)
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return
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}
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guard let attributedText else {
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future.reject(OWSAssertionError("data was unexpectedly nil"))
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return
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}
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future.resolve(attributedText)
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}
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}
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}
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func loadImage(forTypeIdentifier typeIdentifier: String, options: [AnyHashable: Any]?) -> Promise<UIImage> {
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return Promise { future in
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self.ows_loadImage(forTypeIdentifier: typeIdentifier, options: options) { image, error in
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if let error = error {
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future.reject(error)
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return
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}
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guard let image = image else {
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future.reject(OWSAssertionError("image was unexpectedly nil"))
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return
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}
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future.resolve(image)
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}
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}
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}
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}
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