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Code Issues Projects Releases Wiki Activity

Image pasting support

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This commit is contained in:
Justin Mazzocchi 2021-02-07 13:00:17 -08:00
parent 483f519f4b
commit 6bbfb2d06e
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GPG key ID: E223E6937AAFB01C
4 changed files with 76 additions and 32 deletions
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6
Metatext.xcodeproj/project.pbxproj
View file

@ -131,6 +131,8 @@
D0B5FE9B251583DB00478838 /* ProfileCollection+Extensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = D0B5FE9A251583DB00478838 /* ProfileCollection+Extensions.swift */; };
D0B8510C25259E56004E0744 /* LoadMoreTableViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = D0B8510B25259E56004E0744 /* LoadMoreTableViewCell.swift */; };
D0BE97A325CF44310057E161 /* CGRect+Extensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = D0BE97A225CF44310057E161 /* CGRect+Extensions.swift */; };
D0BE97D725D0863E0057E161 /* ImagePastableTextView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D0BE97D625D0863E0057E161 /* ImagePastableTextView.swift */; };
D0BE97E025D086F80057E161 /* ImagePastableTextView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D0BE97D625D0863E0057E161 /* ImagePastableTextView.swift */; };
D0BEB1F324F8EE8C001B0F04 /* AttachmentView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D0BEB1F224F8EE8C001B0F04 /* AttachmentView.swift */; };
D0BEB1F724F9A84B001B0F04 /* LoadingTableFooterView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D0BEB1F624F9A84B001B0F04 /* LoadingTableFooterView.swift */; };
D0BEB1FF24F9E5BB001B0F04 /* ListsView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D0BEB1FE24F9E5BB001B0F04 /* ListsView.swift */; };
@ -327,6 +329,7 @@
D0B8510B25259E56004E0744 /* LoadMoreTableViewCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LoadMoreTableViewCell.swift; sourceTree = "<group>"; };
D0BDF66524FD7A6400C7FA1C /* ServiceLayer */ = {isa = PBXFileReference; lastKnownFileType = folder; path = ServiceLayer; sourceTree = "<group>"; };
D0BE97A225CF44310057E161 /* CGRect+Extensions.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "CGRect+Extensions.swift"; sourceTree = "<group>"; };
D0BE97D625D0863E0057E161 /* ImagePastableTextView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ImagePastableTextView.swift; sourceTree = "<group>"; };
D0BEB1F224F8EE8C001B0F04 /* AttachmentView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AttachmentView.swift; sourceTree = "<group>"; };
D0BEB1F624F9A84B001B0F04 /* LoadingTableFooterView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LoadingTableFooterView.swift; sourceTree = "<group>"; };
D0BEB1FE24F9E5BB001B0F04 /* ListsView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ListsView.swift; sourceTree = "<group>"; };
@ -450,6 +453,7 @@
D07EC7FC25B16994006DF726 /* EmojiCategoryHeaderView.swift */,
D0DDA77E25C6058300FA0F91 /* ExploreSectionHeaderView.swift */,
D0477F4525C72E50005C5368 /* FollowsYouLabel.swift */,
D0BE97D625D0863E0057E161 /* ImagePastableTextView.swift */,
D0D2AC6625BD0484003D5DF2 /* LineChartView.swift */,
D0BEB1F624F9A84B001B0F04 /* LoadingTableFooterView.swift */,
D05936FE25AA94EA00754FDF /* MarkAttachmentsSensitiveView.swift */,
@ -1064,6 +1068,7 @@
D035F86F25B7F30E00DC75ED /* MainNavigationView.swift in Sources */,
D08E512125786A6600FA2C5F /* UIButton+Extensions.swift in Sources */,
D0D2AC4725BCD289003D5DF2 /* TagView.swift in Sources */,
D0BE97D725D0863E0057E161 /* ImagePastableTextView.swift in Sources */,
D05936F425AA66A600754FDF /* UIView+Extensions.swift in Sources */,
D05936E925AA3F3D00754FDF /* EditAttachmentView.swift in Sources */,
D035F8C725B96A4000DC75ED /* SecondaryNavigationButton.swift in Sources */,
@ -1152,6 +1157,7 @@
D025B14725C4D26B001C69A8 /* ImageCacheSerializer.swift in Sources */,
D036EBB8259FE29800EC1CFC /* Status+Extensions.swift in Sources */,
D021A6A625C3E584008A0C0D /* EditAttachmentView.swift in Sources */,
D0BE97E025D086F80057E161 /* ImagePastableTextView.swift in Sources */,
D05936DF25A937EC00754FDF /* EditThumbnailView.swift in Sources */,
D021A69525C3E4C1008A0C0D /* EmojiView.swift in Sources */,
);

60
ViewModels/Sources/ViewModels/View Models/CompositionViewModel.swift
View file

@ -171,6 +171,35 @@ public extension CompositionViewModel {
pollOptions.removeAll { $0 === pollOption }
}
func attach(itemProvider: NSItemProvider, parentViewModel: NewStatusViewModel) {
attachmentUploadCancellable = MediaProcessingService.dataAndMimeType(itemProvider: itemProvider)
.flatMap { [weak self] data, mimeType -> AnyPublisher<Attachment, Error> in
guard let self = self else { return Empty().eraseToAnyPublisher() }
let progress = Progress(totalUnitCount: 1)
DispatchQueue.main.async {
self.attachmentUpload = AttachmentUpload(progress: progress, data: data, mimeType: mimeType)
}
return parentViewModel.identityContext.service.uploadAttachment(
data: data,
mimeType: mimeType,
progress: progress)
}
.receive(on: DispatchQueue.main)
.assignErrorsToAlertItem(to: \.alertItem, on: parentViewModel)
.handleEvents(receiveCancel: { [weak self] in self?.attachmentUpload = nil })
.sink { [weak self] _ in
self?.attachmentUpload = nil
} receiveValue: { [weak self] in
self?.attachmentViewModels.append(
AttachmentViewModel(
attachment: $0,
identityContext: parentViewModel.identityContext))
}
}
func cancelUpload() {
attachmentUploadCancellable?.cancel()
}
@ -203,37 +232,6 @@ public extension CompositionViewModel.PollOption {
typealias Id = UUID
}
extension CompositionViewModel {
func attach(itemProvider: NSItemProvider, parentViewModel: NewStatusViewModel) {
attachmentUploadCancellable = MediaProcessingService.dataAndMimeType(itemProvider: itemProvider)
.flatMap { [weak self] data, mimeType -> AnyPublisher<Attachment, Error> in
guard let self = self else { return Empty().eraseToAnyPublisher() }
let progress = Progress(totalUnitCount: 1)
DispatchQueue.main.async {
self.attachmentUpload = AttachmentUpload(progress: progress, data: data, mimeType: mimeType)
}
return parentViewModel.identityContext.service.uploadAttachment(
data: data,
mimeType: mimeType,
progress: progress)
}
.receive(on: DispatchQueue.main)
.assignErrorsToAlertItem(to: \.alertItem, on: parentViewModel)
.handleEvents(receiveCancel: { [weak self] in self?.attachmentUpload = nil })
.sink { [weak self] _ in
self?.attachmentUpload = nil
} receiveValue: { [weak self] in
self?.attachmentViewModels.append(
AttachmentViewModel(
attachment: $0,
identityContext: parentViewModel.identityContext))
}
}
}
private extension CompositionViewModel {
static let maxAttachmentCount = 4
}

14
Views/UIKit/CompositionView.swift
View file

@ -9,7 +9,7 @@ final class CompositionView: UIView {
let avatarImageView = AnimatedImageView()
let changeIdentityButton = UIButton()
let spoilerTextField = UITextField()
let textView = UITextView()
let textView = ImagePastableTextView()
let textViewPlaceholder = UILabel()
let removeButton = UIButton(type: .close)
let inReplyToView = UIView()
@ -220,6 +220,18 @@ private extension CompositionView {
}
.store(in: &cancellables)
viewModel.$canAddAttachment
.sink { [weak self] in self?.textView.canPasteImage = $0 }
.store(in: &cancellables)
textView.pastedImagesPublisher.sink { [weak self] in
guard let self = self else { return }
self.viewModel.attach(itemProvider: NSItemProvider(object: $0),
parentViewModel: self.parentViewModel)
}
.store(in: &cancellables)
viewModel.$displayPoll
.throttle(for: .seconds(TimeInterval.zeroIfReduceMotion(.shortAnimationDuration)),
scheduler: DispatchQueue.main,

28
Views/UIKit/ImagePastableTextView.swift Normal file
View file

@ -0,0 +1,28 @@
// Copyright © 2021 Metabolist. All rights reserved.
import Combine
import UIKit
final class ImagePastableTextView: UITextView {
var canPasteImage = true
private(set) lazy var pastedImagesPublisher: AnyPublisher<UIImage, Never> =
pastedImagesSubject.eraseToAnyPublisher()
private let pastedImagesSubject = PassthroughSubject<UIImage, Never>()
override func canPerformAction(_ action: Selector, withSender sender: Any?) -> Bool {
if action == #selector(paste(_:)) {
return UIPasteboard.general.hasStrings || (UIPasteboard.general.hasImages && canPasteImage)
}
return super.canPerformAction(action, withSender: sender)
}
override func paste(_ sender: Any?) {
if UIPasteboard.general.hasImages, let image = UIPasteboard.general.image {
pastedImagesSubject.send(image)
} else {
super.paste(sender)
}
}
}