mastodon-ios/Mastodon/Scene/Search/SearchDetail/SearchResult/SearchResultViewController....

263 lines
11 KiB
Swift

//
// SearchResultViewController.swift
// Mastodon
//
// Created by MainasuK Cirno on 2021-7-14.
//
import os.log
import UIKit
import Combine
import MastodonCore
import MastodonUI
final class SearchResultViewController: UIViewController, NeedsDependency, MediaPreviewableViewController {
let logger = Logger(subsystem: "SearchResultViewController", category: "ViewController")
weak var context: AppContext! { willSet { precondition(!isViewLoaded) } }
weak var coordinator: SceneCoordinator! { willSet { precondition(!isViewLoaded) } }
let mediaPreviewTransitionController = MediaPreviewTransitionController()
var viewModel: SearchResultViewModel!
var disposeBag = Set<AnyCancellable>()
let tableView: UITableView = {
let tableView = UITableView()
tableView.separatorStyle = .none
tableView.tableFooterView = UIView()
tableView.backgroundColor = .clear
return tableView
}()
}
extension SearchResultViewController {
override func viewDidLoad() {
super.viewDidLoad()
setupBackgroundColor(theme: ThemeService.shared.currentTheme.value)
ThemeService.shared.currentTheme
.receive(on: DispatchQueue.main)
.sink { [weak self] theme in
guard let self = self else { return }
self.setupBackgroundColor(theme: theme)
}
.store(in: &disposeBag)
tableView.translatesAutoresizingMaskIntoConstraints = false
view.addSubview(tableView)
NSLayoutConstraint.activate([
tableView.topAnchor.constraint(equalTo: view.topAnchor),
tableView.leadingAnchor.constraint(equalTo: view.leadingAnchor),
tableView.trailingAnchor.constraint(equalTo: view.trailingAnchor),
tableView.bottomAnchor.constraint(equalTo: view.bottomAnchor),
])
tableView.delegate = self
// tableView.prefetchDataSource = self
viewModel.setupDiffableDataSource(
tableView: tableView,
statusTableViewCellDelegate: self
)
// setup batch fetch
viewModel.listBatchFetchViewModel.setup(scrollView: tableView)
viewModel.listBatchFetchViewModel.shouldFetch
.receive(on: DispatchQueue.main)
.sink { [weak self] _ in
guard let self = self else { return }
guard self.view.window != nil else { return }
self.viewModel.stateMachine.enter(SearchResultViewModel.State.Loading.self)
}
.store(in: &disposeBag)
// listen keyboard events and set content inset
let keyboardEventPublishers = Publishers.CombineLatest3(
KeyboardResponderService.shared.isShow,
KeyboardResponderService.shared.state,
KeyboardResponderService.shared.endFrame
)
Publishers.CombineLatest3(
keyboardEventPublishers,
viewModel.viewDidAppear,
viewModel.didDataSourceUpdate
)
.sink(receiveValue: { [weak self] keyboardEvents, _, _ in
guard let self = self else { return }
let (isShow, state, endFrame) = keyboardEvents
// update keyboard background color
guard isShow, state == .dock else {
self.tableView.contentInset.bottom = 0
self.tableView.verticalScrollIndicatorInsets.bottom = 0
return
}
// isShow AND dock state
// adjust inset for tableView
let contentFrame = self.view.convert(self.tableView.frame, to: nil)
let padding = contentFrame.maxY - endFrame.minY
guard padding > 0 else {
self.tableView.contentInset.bottom = self.view.safeAreaInsets.bottom
self.tableView.verticalScrollIndicatorInsets.bottom = self.view.safeAreaInsets.bottom
return
}
self.tableView.contentInset.bottom = padding - self.view.safeAreaInsets.bottom
self.tableView.verticalScrollIndicatorInsets.bottom = padding - self.view.safeAreaInsets.bottom
})
.store(in: &disposeBag)
//
// works for already onscreen page
viewModel.navigationBarFrame
.removeDuplicates()
.receive(on: DispatchQueue.main)
.sink { [weak self] frame in
guard let self = self else { return }
guard self.viewModel.viewDidAppear.value else { return }
self.tableView.contentInset.top = frame.height
self.tableView.verticalScrollIndicatorInsets.top = frame.height
}
.store(in: &disposeBag)
}
override func viewWillAppear(_ animated: Bool) {
super.viewWillAppear(animated)
// works for appearing page
if !viewModel.viewDidAppear.value {
tableView.contentInset.top = viewModel.navigationBarFrame.value.height
tableView.contentOffset.y = -viewModel.navigationBarFrame.value.height
}
tableView.deselectRow(with: transitionCoordinator, animated: animated)
}
override func viewDidAppear(_ animated: Bool) {
super.viewDidAppear(animated)
viewModel.viewDidAppear.value = true
}
}
extension SearchResultViewController {
private func setupBackgroundColor(theme: Theme) {
view.backgroundColor = theme.systemGroupedBackgroundColor
// tableView.backgroundColor = theme.systemBackgroundColor
// searchHeader.backgroundColor = theme.systemGroupedBackgroundColor
}
}
// MARK: - StatusTableViewCellDelegate
extension SearchResultViewController: AuthContextProvider {
var authContext: AuthContext { viewModel.authContext }
}
// MARK: - UITableViewDelegate
extension SearchResultViewController: UITableViewDelegate, AutoGenerateTableViewDelegate {
// sourcery:inline:SearchResultViewController.AutoGenerateTableViewDelegate
// Generated using Sourcery
// DO NOT EDIT
func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
aspectTableView(tableView, didSelectRowAt: indexPath)
}
func tableView(_ tableView: UITableView, contextMenuConfigurationForRowAt indexPath: IndexPath, point: CGPoint) -> UIContextMenuConfiguration? {
return aspectTableView(tableView, contextMenuConfigurationForRowAt: indexPath, point: point)
}
func tableView(_ tableView: UITableView, previewForHighlightingContextMenuWithConfiguration configuration: UIContextMenuConfiguration) -> UITargetedPreview? {
return aspectTableView(tableView, previewForHighlightingContextMenuWithConfiguration: configuration)
}
func tableView(_ tableView: UITableView, previewForDismissingContextMenuWithConfiguration configuration: UIContextMenuConfiguration) -> UITargetedPreview? {
return aspectTableView(tableView, previewForDismissingContextMenuWithConfiguration: configuration)
}
func tableView(_ tableView: UITableView, willPerformPreviewActionForMenuWith configuration: UIContextMenuConfiguration, animator: UIContextMenuInteractionCommitAnimating) {
aspectTableView(tableView, willPerformPreviewActionForMenuWith: configuration, animator: animator)
}
// sourcery:end
// func tableView(_ tableView: UITableView, estimatedHeightForRowAt indexPath: IndexPath) -> CGFloat {
// aspectTableView(tableView, estimatedHeightForRowAt: indexPath)
// }
//
// func tableView(_ tableView: UITableView, willDisplay cell: UITableViewCell, forRowAt indexPath: IndexPath) {
// aspectTableView(tableView, willDisplay: cell, forRowAt: indexPath)
// }
//
// func tableView(_ tableView: UITableView, didEndDisplaying cell: UITableViewCell, forRowAt indexPath: IndexPath) {
// aspectTableView(tableView, didEndDisplaying: cell, forRowAt: indexPath)
// }
//
// func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
// guard let diffableDataSource = viewModel.diffableDataSource else { return }
// guard let item = diffableDataSource.itemIdentifier(for: indexPath) else { return }
//
// viewModel.persistSearchHistory(for: item)
//
// switch item {
// case .account(let account):
// let profileViewModel = RemoteProfileViewModel(context: context, userID: account.id)
// coordinator.present(scene: .profile(viewModel: profileViewModel), from: self, transition: .show)
// case .hashtag(let hashtag):
// let hashtagViewModel = HashtagTimelineViewModel(context: context, hashtag: hashtag.name)
// coordinator.present(scene: .hashtagTimeline(viewModel: hashtagViewModel), from: self, transition: .show)
// case .status:
// aspectTableView(tableView, didSelectRowAt: indexPath)
// case .bottomLoader:
// break
// }
// }
//
// func tableView(_ tableView: UITableView, contextMenuConfigurationForRowAt indexPath: IndexPath, point: CGPoint) -> UIContextMenuConfiguration? {
// aspectTableView(tableView, contextMenuConfigurationForRowAt: indexPath, point: point)
// }
//
// func tableView(_ tableView: UITableView, previewForHighlightingContextMenuWithConfiguration configuration: UIContextMenuConfiguration) -> UITargetedPreview? {
// aspectTableView(tableView, previewForHighlightingContextMenuWithConfiguration: configuration)
// }
//
// func tableView(_ tableView: UITableView, previewForDismissingContextMenuWithConfiguration configuration: UIContextMenuConfiguration) -> UITargetedPreview? {
// aspectTableView(tableView, previewForDismissingContextMenuWithConfiguration: configuration)
// }
//
// func tableView(_ tableView: UITableView, willPerformPreviewActionForMenuWith configuration: UIContextMenuConfiguration, animator: UIContextMenuInteractionCommitAnimating) {
// aspectTableView(tableView, willPerformPreviewActionForMenuWith: configuration, animator: animator)
// }
}
// MARK: - UITableViewDataSourcePrefetching
//extension SearchResultViewController: UITableViewDataSourcePrefetching {
// func tableView(_ tableView: UITableView, prefetchRowsAt indexPaths: [IndexPath]) {
// aspectTableView(tableView, cancelPrefetchingForRowsAt: indexPaths)
// }
//
// func tableView(_ tableView: UITableView, cancelPrefetchingForRowsAt indexPaths: [IndexPath]) {
// aspectTableView(tableView, cancelPrefetchingForRowsAt: indexPaths)
// }
//}
// MARK: - AVPlayerViewControllerDelegate
//extension SearchResultViewController: AVPlayerViewControllerDelegate {
// func playerViewController(_ playerViewController: AVPlayerViewController, willBeginFullScreenPresentationWithAnimationCoordinator coordinator: UIViewControllerTransitionCoordinator) {
// handlePlayerViewController(playerViewController, willBeginFullScreenPresentationWithAnimationCoordinator: coordinator)
// }
//
// func playerViewController(_ playerViewController: AVPlayerViewController, willEndFullScreenPresentationWithAnimationCoordinator coordinator: UIViewControllerTransitionCoordinator) {
// handlePlayerViewController(playerViewController, willEndFullScreenPresentationWithAnimationCoordinator: coordinator)
// }
//}
// MARK: - StatusTableViewCellDelegate
extension SearchResultViewController: StatusTableViewCellDelegate { }