357 lines
14 KiB
Swift
357 lines
14 KiB
Swift
//
|
|
// Copyright 2022-2024 New Vector Ltd.
|
|
//
|
|
// SPDX-License-Identifier: AGPL-3.0-only
|
|
// Please see LICENSE in the repository root for full details.
|
|
//
|
|
|
|
import SwiftUI
|
|
import WysiwygComposer
|
|
|
|
struct Composer: View {
|
|
// MARK: - Properties
|
|
|
|
// MARK: Private
|
|
@ObservedObject private var viewModel: ComposerViewModelType.Context
|
|
@ObservedObject private var wysiwygViewModel: WysiwygComposerViewModel
|
|
private let completionSuggestionSharedContext: CompletionSuggestionViewModelType.Context
|
|
private let resizeAnimationDuration: Double
|
|
|
|
private let sendMessageAction: (WysiwygComposerContent) -> Void
|
|
private let showSendMediaActions: () -> Void
|
|
|
|
@Environment(\.theme) private var theme: ThemeSwiftUI
|
|
|
|
@State private var isActionButtonShowing = false
|
|
@FocusState private var focused: Bool
|
|
|
|
private let horizontalPadding: CGFloat = 12
|
|
private let borderHeight: CGFloat = 40
|
|
private let standardVerticalPadding: CGFloat = 8.0
|
|
private let contextBannerHeight: CGFloat = 14.5
|
|
|
|
/// Spacing applied within the VStack holding the context banner and the composer text view.
|
|
private let verticalComponentSpacing: CGFloat = 12.0
|
|
/// Padding for the main composer text view. Always applied on bottom.
|
|
/// Applied on top only if no context banner is present.
|
|
private var composerVerticalPadding: CGFloat {
|
|
(borderHeight - wysiwygViewModel.minHeight) / 2
|
|
}
|
|
|
|
/// Computes the top padding to apply on the composer text view depending on context.
|
|
private var composerTopPadding: CGFloat {
|
|
viewModel.viewState.shouldDisplayContext ? 0 : composerVerticalPadding
|
|
}
|
|
|
|
/// Computes the additional height required to display the context banner.
|
|
/// Returns 0.0 if the banner is not displayed.
|
|
/// Note: height of the actual banner + its added standard top padding + VStack spacing
|
|
private var additionalHeightForContextBanner: CGFloat {
|
|
viewModel.viewState.shouldDisplayContext ? contextBannerHeight + standardVerticalPadding + verticalComponentSpacing : 0
|
|
}
|
|
|
|
/// the total height of the composer (excluding the RTE formatting bar).
|
|
@State private var composerHeight: CGFloat = .zero
|
|
|
|
private var cornerRadius: CGFloat {
|
|
if shouldFixRoundCorner {
|
|
return 14
|
|
} else {
|
|
return borderHeight / 2
|
|
}
|
|
}
|
|
|
|
private var shouldFixRoundCorner: Bool {
|
|
viewModel.viewState.shouldDisplayContext || wysiwygViewModel.idealHeight > wysiwygViewModel.minHeight
|
|
}
|
|
|
|
private var actionButtonAccessibilityIdentifier: String {
|
|
viewModel.viewState.sendMode == .edit ? "editButton" : "sendButton"
|
|
}
|
|
|
|
private var toggleButtonAcccessibilityIdentifier: String {
|
|
wysiwygViewModel.maximised ? "minimiseButton" : "maximiseButton"
|
|
}
|
|
|
|
private var toggleButtonAccessibilityLabel: String {
|
|
wysiwygViewModel.maximised ? VectorL10n.wysiwygComposerActionMinimiseAction : VectorL10n.wysiwygComposerActionMaximiseAction
|
|
}
|
|
|
|
private var toggleButtonImageName: String {
|
|
wysiwygViewModel.maximised ? Asset.Images.minimiseComposer.name : Asset.Images.maximiseComposer.name
|
|
}
|
|
|
|
private var borderColor: Color {
|
|
viewModel.focused ? theme.colors.quarterlyContent : theme.colors.quinaryContent
|
|
}
|
|
|
|
private var formatItems: [FormatItem] {
|
|
return FormatType.allCases
|
|
// Exclude indent type outside of lists.
|
|
.filter { wysiwygViewModel.isInList || !$0.isIndentType }
|
|
.map { type in
|
|
FormatItem(
|
|
type: type,
|
|
state: wysiwygViewModel.actionStates[type.composerAction] ?? .disabled
|
|
)
|
|
}
|
|
}
|
|
|
|
private var composerContainer: some View {
|
|
let rect = RoundedRectangle(cornerRadius: cornerRadius)
|
|
return VStack(spacing: verticalComponentSpacing) {
|
|
if viewModel.viewState.shouldDisplayContext {
|
|
HStack {
|
|
if let imageName = viewModel.viewState.contextImageName {
|
|
Image(imageName)
|
|
.foregroundColor(theme.colors.tertiaryContent)
|
|
}
|
|
if let contextDescription = viewModel.viewState.contextDescription {
|
|
Text(contextDescription)
|
|
.accessibilityIdentifier("contextDescription")
|
|
.font(.system(size: 12, weight: .medium))
|
|
.foregroundColor(theme.colors.secondaryContent)
|
|
}
|
|
Spacer()
|
|
Button {
|
|
viewModel.send(viewAction: .cancel)
|
|
} label: {
|
|
Image(Asset.Images.inputCloseIcon.name)
|
|
.foregroundColor(theme.colors.tertiaryContent)
|
|
}
|
|
.accessibilityIdentifier("cancelButton")
|
|
}
|
|
.frame(height: contextBannerHeight)
|
|
.padding(.top, standardVerticalPadding)
|
|
.padding(.horizontal, horizontalPadding)
|
|
}
|
|
HStack(alignment: shouldFixRoundCorner ? .top : .center, spacing: 0) {
|
|
// Use a GeometryReader to force the composer to fill the HStack
|
|
GeometryReader { _ in
|
|
WysiwygComposerView(
|
|
placeholder: viewModel.viewState.placeholder ?? "",
|
|
viewModel: wysiwygViewModel,
|
|
itemProviderHelper: nil,
|
|
keyCommands: keyCommands,
|
|
pasteHandler: nil
|
|
)
|
|
.clipped()
|
|
.tint(theme.colors.accent)
|
|
.focused($focused)
|
|
.onChange(of: focused) { newValue in
|
|
viewModel.focused = newValue
|
|
}
|
|
.onChange(of: viewModel.focused) { newValue in
|
|
guard focused != newValue else { return }
|
|
focused = newValue
|
|
}
|
|
.onAppear {
|
|
if wysiwygViewModel.isContentEmpty {
|
|
wysiwygViewModel.setup()
|
|
}
|
|
}
|
|
}
|
|
|
|
if !viewModel.viewState.isMinimiseForced {
|
|
Button {
|
|
viewModel.focused = true
|
|
// Use a dispatched block so the focus state will be up to date when the composer size changes.
|
|
DispatchQueue.main.async {
|
|
wysiwygViewModel.maximised.toggle()
|
|
}
|
|
} label: {
|
|
Image(toggleButtonImageName)
|
|
.resizable()
|
|
.foregroundColor(theme.colors.tertiaryContent)
|
|
.frame(width: 16, height: 16)
|
|
}
|
|
.accessibilityIdentifier(toggleButtonAcccessibilityIdentifier)
|
|
.accessibilityLabel(toggleButtonAccessibilityLabel)
|
|
.padding(.leading, 12)
|
|
.padding(.trailing, 4)
|
|
}
|
|
}
|
|
.padding(.horizontal, horizontalPadding)
|
|
.padding(.top, composerTopPadding)
|
|
.padding(.bottom, composerVerticalPadding)
|
|
.layoutPriority(1)
|
|
}
|
|
.clipShape(rect)
|
|
.overlay(rect.stroke(borderColor, lineWidth: 1))
|
|
.animation(.easeInOut(duration: resizeAnimationDuration), value: wysiwygViewModel.idealHeight)
|
|
.padding(.top, standardVerticalPadding)
|
|
.onTapGesture {
|
|
viewModel.focused = true
|
|
}
|
|
}
|
|
|
|
private var sendMediaButton: some View {
|
|
return Button {
|
|
showSendMediaActions()
|
|
} label: {
|
|
Image(Asset.Images.startComposeModule.name)
|
|
.resizable()
|
|
.foregroundColor(theme.colors.tertiaryContent)
|
|
.frame(width: 14, height: 14)
|
|
}
|
|
.frame(width: 36, height: 36)
|
|
.background(Circle().fill(theme.colors.system))
|
|
.padding(.trailing, 8)
|
|
.accessibilityLabel(VectorL10n.create)
|
|
}
|
|
|
|
private var sendButton: some View {
|
|
return Button {
|
|
sendMessageAction(wysiwygViewModel.content)
|
|
wysiwygViewModel.clearContent()
|
|
} label: {
|
|
if viewModel.viewState.sendMode == .edit {
|
|
Image(Asset.Images.saveIcon.name)
|
|
} else {
|
|
Image(Asset.Images.sendIcon.name)
|
|
}
|
|
}
|
|
.frame(width: 36, height: 36)
|
|
.padding(.leading, 8)
|
|
.isHidden(!isActionButtonShowing)
|
|
.accessibilityIdentifier(actionButtonAccessibilityIdentifier)
|
|
.accessibilityLabel(VectorL10n.send)
|
|
.onChange(of: wysiwygViewModel.isContentEmpty) { isEmpty in
|
|
viewModel.send(viewAction: .contentDidChange(isEmpty: isEmpty))
|
|
withAnimation(.easeInOut(duration: 0.15)) {
|
|
isActionButtonShowing = !isEmpty
|
|
}
|
|
}
|
|
}
|
|
|
|
var keyCommands: [WysiwygKeyCommand] {
|
|
[
|
|
.enter {
|
|
sendMessageAction(wysiwygViewModel.content)
|
|
wysiwygViewModel.clearContent()
|
|
}
|
|
]
|
|
}
|
|
|
|
/// Computes the total height of the composer (excluding the RTE formatting bar).
|
|
/// This height includes the text view, as well as the context banner
|
|
/// and user suggestion list when displayed.
|
|
private func updateComposerHeight(idealHeight: CGFloat) {
|
|
composerHeight = idealHeight
|
|
+ composerTopPadding
|
|
+ composerVerticalPadding
|
|
// Extra padding added on top of the VStack containing the composer
|
|
+ standardVerticalPadding
|
|
+ additionalHeightForContextBanner
|
|
}
|
|
|
|
// MARK: Public
|
|
|
|
init(
|
|
viewModel: ComposerViewModelType.Context,
|
|
wysiwygViewModel: WysiwygComposerViewModel,
|
|
completionSuggestionSharedContext: CompletionSuggestionViewModelType.Context,
|
|
resizeAnimationDuration: Double,
|
|
sendMessageAction: @escaping (WysiwygComposerContent) -> Void,
|
|
showSendMediaActions: @escaping () -> Void) {
|
|
self.viewModel = viewModel
|
|
self.wysiwygViewModel = wysiwygViewModel
|
|
self.completionSuggestionSharedContext = completionSuggestionSharedContext
|
|
self.resizeAnimationDuration = resizeAnimationDuration
|
|
self.sendMessageAction = sendMessageAction
|
|
self.showSendMediaActions = showSendMediaActions
|
|
}
|
|
|
|
var body: some View {
|
|
VStack(spacing: 8) {
|
|
if wysiwygViewModel.maximised {
|
|
RoundedRectangle(cornerRadius: 4)
|
|
.fill(theme.colors.quinaryContent)
|
|
.frame(width: 36, height: 5)
|
|
.padding(.top, 10)
|
|
}
|
|
VStack {
|
|
HStack(alignment: .bottom, spacing: 0) {
|
|
if !viewModel.viewState.textFormattingEnabled {
|
|
sendMediaButton
|
|
.padding(.bottom, 1)
|
|
}
|
|
composerContainer
|
|
if !viewModel.viewState.textFormattingEnabled {
|
|
sendButton
|
|
.padding(.bottom, 1)
|
|
}
|
|
}
|
|
if wysiwygViewModel.maximised {
|
|
CompletionSuggestionList(viewModel: completionSuggestionSharedContext, showBackgroundShadow: false)
|
|
}
|
|
}
|
|
.frame(height: composerHeight)
|
|
if viewModel.viewState.textFormattingEnabled {
|
|
HStack(alignment: .center, spacing: 0) {
|
|
sendMediaButton
|
|
FormattingToolbar(formatItems: formatItems) { type in
|
|
if type.action == .link {
|
|
storeCurrentSelection()
|
|
sendLinkAction()
|
|
} else {
|
|
wysiwygViewModel.apply(type.action)
|
|
}
|
|
}
|
|
.frame(height: 44)
|
|
Spacer()
|
|
sendButton
|
|
}
|
|
}
|
|
}
|
|
.padding(.horizontal, horizontalPadding)
|
|
.padding(.bottom, 4)
|
|
.onChange(of: viewModel.viewState.isMinimiseForced) { newValue in
|
|
if wysiwygViewModel.maximised && newValue {
|
|
wysiwygViewModel.maximised = false
|
|
}
|
|
}
|
|
.onChange(of: wysiwygViewModel.suggestionPattern) { newValue in
|
|
sendMentionPattern(pattern: newValue)
|
|
}
|
|
.onChange(of: wysiwygViewModel.idealHeight) { newValue in
|
|
updateComposerHeight(idealHeight: newValue)
|
|
}
|
|
.onChange(of: viewModel.viewState.shouldDisplayContext) { _ in
|
|
updateComposerHeight(idealHeight: wysiwygViewModel.idealHeight)
|
|
}
|
|
.task {
|
|
updateComposerHeight(idealHeight: wysiwygViewModel.idealHeight)
|
|
}
|
|
}
|
|
|
|
private func storeCurrentSelection() {
|
|
viewModel.send(viewAction: .storeSelection(selection: wysiwygViewModel.attributedContent.selection))
|
|
}
|
|
|
|
private func sendLinkAction() {
|
|
let linkAction = wysiwygViewModel.getLinkAction()
|
|
viewModel.send(viewAction: .linkTapped(linkAction: linkAction))
|
|
}
|
|
|
|
private func sendMentionPattern(pattern: SuggestionPattern?) {
|
|
viewModel.send(viewAction: .suggestion(pattern: pattern))
|
|
}
|
|
}
|
|
|
|
private extension WysiwygComposerViewModel {
|
|
/// Return true if the selection of the composer is currently located in a list.
|
|
var isInList: Bool {
|
|
actionStates[.orderedList] == .reversed || actionStates[.unorderedList] == .reversed
|
|
}
|
|
}
|
|
|
|
// MARK: Previews
|
|
|
|
struct Composer_Previews: PreviewProvider {
|
|
static let stateRenderer = MockComposerScreenState.stateRenderer
|
|
static var previews: some View {
|
|
stateRenderer.screenGroup()
|
|
}
|
|
}
|