125 lines
4.8 KiB
Swift
125 lines
4.8 KiB
Swift
// File created from FlowTemplate
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// $ createRootCoordinator.sh Test MediaPicker
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/*
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Copyright 2019 New Vector Ltd
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import Foundation
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@objc protocol MediaPickerCoordinatorBridgePresenterDelegate {
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func mediaPickerCoordinatorBridgePresenter(_ coordinatorBridgePresenter: MediaPickerCoordinatorBridgePresenter, didSelectImageData imageData: Data, withUTI uti: MXKUTI?)
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func mediaPickerCoordinatorBridgePresenter(_ coordinatorBridgePresenter: MediaPickerCoordinatorBridgePresenter, didSelectVideo videoAsset: AVAsset)
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func mediaPickerCoordinatorBridgePresenter(_ coordinatorBridgePresenter: MediaPickerCoordinatorBridgePresenter, didSelectAssets assets: [PHAsset])
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func mediaPickerCoordinatorBridgePresenterDidCancel(_ coordinatorBridgePresenter: MediaPickerCoordinatorBridgePresenter)
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}
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/// MediaPickerCoordinatorBridgePresenter enables to start MediaPickerCoordinator from a view controller.
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/// This bridge is used while waiting for global usage of coordinator pattern.
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@objcMembers
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final class MediaPickerCoordinatorBridgePresenter: NSObject {
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// MARK: - Properties
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// MARK: Private
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private let session: MXSession
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private let mediaUTIs: [MXKUTI]
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private let allowsMultipleSelection: Bool
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private var coordinator: MediaPickerCoordinator?
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// MARK: Public
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weak var delegate: MediaPickerCoordinatorBridgePresenterDelegate?
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// MARK: - Setup
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init(session: MXSession, mediaUTIs: [MXKUTI], allowsMultipleSelection: Bool) {
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self.session = session
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self.mediaUTIs = mediaUTIs
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self.allowsMultipleSelection = allowsMultipleSelection
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super.init()
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}
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// MARK: - Public
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func present(from viewController: UIViewController,
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sourceView: UIView?,
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sourceRect: CGRect,
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animated: Bool) {
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let mediaPickerCoordinator = MediaPickerCoordinator(session: self.session, mediaUTIs: mediaUTIs, allowsMultipleSelection: self.allowsMultipleSelection)
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mediaPickerCoordinator.delegate = self
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let mediaPickerPresentable = mediaPickerCoordinator.toPresentable()
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if let sourceView = sourceView {
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mediaPickerPresentable.modalPresentationStyle = .popover
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if let popoverPresentationController = mediaPickerPresentable.popoverPresentationController {
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popoverPresentationController.sourceView = sourceView
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let finalSourceRect: CGRect
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if sourceRect != CGRect.null {
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finalSourceRect = sourceRect
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} else {
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finalSourceRect = sourceView.bounds
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}
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popoverPresentationController.sourceRect = finalSourceRect
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}
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}
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viewController.present(mediaPickerPresentable, animated: animated, completion: nil)
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mediaPickerCoordinator.start()
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self.coordinator = mediaPickerCoordinator
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}
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func dismiss(animated: Bool, completion: (() -> Void)?) {
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guard let coordinator = self.coordinator else {
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return
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}
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coordinator.toPresentable().dismiss(animated: animated) {
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self.coordinator = nil
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if let completion = completion {
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completion()
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}
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}
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}
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}
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// MARK: - MediaPickerCoordinatorDelegate
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extension MediaPickerCoordinatorBridgePresenter: MediaPickerCoordinatorDelegate {
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func mediaPickerCoordinator(_ coordinator: MediaPickerCoordinatorType, didSelectImageData imageData: Data, withUTI uti: MXKUTI?) {
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self.delegate?.mediaPickerCoordinatorBridgePresenter(self, didSelectImageData: imageData, withUTI: uti)
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}
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func mediaPickerCoordinator(_ coordinator: MediaPickerCoordinatorType, didSelectVideo videoAsset: AVAsset) {
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self.delegate?.mediaPickerCoordinatorBridgePresenter(self, didSelectVideo: videoAsset)
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}
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func mediaPickerCoordinator(_ coordinator: MediaPickerCoordinatorType, didSelectAssets assets: [PHAsset]) {
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self.delegate?.mediaPickerCoordinatorBridgePresenter(self, didSelectAssets: assets)
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}
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func mediaPickerCoordinatorDidCancel(_ coordinator: MediaPickerCoordinatorType) {
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self.delegate?.mediaPickerCoordinatorBridgePresenterDidCancel(self)
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}
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}
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