element-x-ios/ElementX/Sources/Services/Media/MediaFileHandleProxy.swift

69 lines
2.1 KiB
Swift

//
// Copyright 2023 New Vector Ltd
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
import Foundation
import MatrixRustSDK
/// A wrapper around Rust's `MediaFileHandle` type that provides us with a
/// media file that is stored unencrypted in a temporary location for previewing.
class MediaFileHandleProxy {
/// The underlying handle for the file.
private let handle: MediaFileHandleProtocol
/// Creates a new instance from the Rust type.
init(handle: MediaFileHandleProtocol) {
self.handle = handle
}
/// Creates an unmanaged instance (for mocking etc), using a raw `URL`
///
/// A media file created from a URL won't have the automatic clean-up mechanism
/// that is provided by the SDK's `MediaFileHandle`.
static func unmanaged(url: URL) -> MediaFileHandleProxy {
MediaFileHandleProxy(handle: UnmanagedMediaFileHandle(url: url))
}
/// The media file's location on disk.
var url: URL {
URL(filePath: handle.path())
}
}
// MARK: - Hashable
extension MediaFileHandleProxy: Hashable {
static func == (lhs: MediaFileHandleProxy, rhs: MediaFileHandleProxy) -> Bool {
lhs.url == rhs.url
}
func hash(into hasher: inout Hasher) {
hasher.combine(url)
}
}
// MARK: -
/// An unmanaged file handle that can be created direct from a URL.
///
/// This type allows for mocking but doesn't provide the automatic clean-up mechanism provided by the SDK.
private struct UnmanagedMediaFileHandle: MediaFileHandleProtocol {
let url: URL
func path() -> String {
url.path()
}
}