d44adafb3b
* Create media player screen * Introduce `FileCache` to cache message attachments * Add file loading functionality into the media provider * Process tap action on timeline items * Pass item taps to view model * Navigate to media player on view model callback * Commit project file * Add changelog * Rename media to video * Add a loader when large videos being processed * Add back button explicitly on video screen, fixes for light scheme * Handle right swipe to dismiss video
90 lines
2.9 KiB
Swift
90 lines
2.9 KiB
Swift
//
|
|
// Copyright 2022 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
|
|
|
|
// MARK: - FileCacheProtocol
|
|
|
|
protocol FileCacheProtocol {
|
|
func file(forKey key: String, fileExtension: String) -> URL?
|
|
func store(_ data: Data, with fileExtension: String, forKey key: String) throws -> URL
|
|
func remove(forKey key: String, fileExtension: String) throws
|
|
func removeAll() throws
|
|
}
|
|
|
|
// MARK: - FileCache
|
|
|
|
/// Implementation of `FileCacheProtocol` under `FileManager.default.temporaryDirectory`.
|
|
class FileCache {
|
|
private let fileManager = FileManager.default
|
|
private let folder: URL
|
|
|
|
/// Default instance. Uses `FileCache` as the folder name.
|
|
static let `default` = FileCache(folderName: "FileCache")
|
|
|
|
init(folderName: String) {
|
|
folder = fileManager.temporaryDirectory.appending(path: folderName, directoryHint: .isDirectory)
|
|
}
|
|
|
|
// MARK: Private
|
|
|
|
private func filePath(forKey key: String, fileExtension: String) -> URL {
|
|
folder.appending(path: key, directoryHint: .notDirectory).appendingPathExtension(fileExtension)
|
|
}
|
|
|
|
private func folderExists() -> Bool {
|
|
var isDirectory: ObjCBool = false
|
|
guard fileManager.fileExists(atPath: folder.path(), isDirectory: &isDirectory) else {
|
|
return false
|
|
}
|
|
return isDirectory.boolValue
|
|
}
|
|
|
|
private func createFolderIfNeeded() throws {
|
|
guard !folderExists() else {
|
|
return
|
|
}
|
|
try fileManager.createDirectory(at: folder, withIntermediateDirectories: true)
|
|
}
|
|
}
|
|
|
|
// MARK: - FileCacheProtocol
|
|
|
|
extension FileCache: FileCacheProtocol {
|
|
func file(forKey key: String, fileExtension: String) -> URL? {
|
|
let url = filePath(forKey: key, fileExtension: fileExtension)
|
|
return fileManager.isReadableFile(atPath: url.path()) ? url : nil
|
|
}
|
|
|
|
func store(_ data: Data, with fileExtension: String, forKey key: String) throws -> URL {
|
|
try createFolderIfNeeded()
|
|
let url = filePath(forKey: key, fileExtension: fileExtension)
|
|
try data.write(to: url)
|
|
return url
|
|
}
|
|
|
|
func remove(forKey key: String, fileExtension: String) throws {
|
|
try fileManager.removeItem(at: filePath(forKey: key, fileExtension: fileExtension))
|
|
}
|
|
|
|
func removeAll() throws {
|
|
guard folderExists() else {
|
|
return
|
|
}
|
|
try fileManager.removeItem(at: folder)
|
|
}
|
|
}
|