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| 1 | +import Cocoa |
| 2 | +import TGUIKit |
| 3 | +import TelegramTheme |
| 4 | +import GeneralRows |
| 5 | + |
| 6 | +final class StarTransactionTabsRowItem: GeneralRowItem { |
| 7 | + let items: [ScrollableSegmentItem] |
| 8 | + let callback: (Int64) -> Void |
| 9 | + |
| 10 | + static let contentInset: CGFloat = 16 |
| 11 | + |
| 12 | + init(_ initialSize: NSSize, stableId: AnyHashable, items: [ScrollableSegmentItem], viewType: GeneralViewType, callback: @escaping (Int64) -> Void) { |
| 13 | + self.items = items |
| 14 | + self.callback = callback |
| 15 | + super.init(initialSize, height: GlassSegmentView.height + Self.contentInset * 2, stableId: stableId, viewType: viewType) |
| 16 | + } |
| 17 | + |
| 18 | + override var hasBorder: Bool { |
| 19 | + return false |
| 20 | + } |
| 21 | + |
| 22 | + override func viewClass() -> AnyClass { |
| 23 | + return StarTransactionTabsRowView.self |
| 24 | + } |
| 25 | + |
| 26 | + override var accessibilityLabel: String? { |
| 27 | + return items.first(where: { $0.selected })?.title ?? items.first?.title |
| 28 | + } |
| 29 | + |
| 30 | + override var accessibilityRole: NSAccessibility.Role? { |
| 31 | + return .radioGroup |
| 32 | + } |
| 33 | +} |
| 34 | + |
| 35 | +private final class StarTransactionTabAccessibilityElement: NSAccessibilityElement { |
| 36 | + weak var view: NSView? |
| 37 | + var frameInView: NSRect = .zero |
| 38 | + var press: (() -> Bool)? |
| 39 | + var reveal: (() -> Void)? |
| 40 | + |
| 41 | + override func accessibilityFrame() -> NSRect { |
| 42 | + guard let view else { return .zero } |
| 43 | + return NSAccessibility.screenRect(fromView: view, rect: frameInView) |
| 44 | + } |
| 45 | + |
| 46 | + override func accessibilityPerformPress() -> Bool { |
| 47 | + return press?() ?? false |
| 48 | + } |
| 49 | + |
| 50 | + override func setAccessibilityFocused(_ accessibilityFocused: Bool) { |
| 51 | + if accessibilityFocused { |
| 52 | + reveal?() |
| 53 | + } |
| 54 | + super.setAccessibilityFocused(accessibilityFocused) |
| 55 | + } |
| 56 | +} |
| 57 | + |
| 58 | +private final class StarTransactionTabsRowView: GeneralContainableRowView { |
| 59 | + private let scrollView = HorizontalScrollView(frame: .zero) |
| 60 | + private let documentView = View() |
| 61 | + private let segments = GlassSegmentView(frame: .zero) |
| 62 | + private var accessibilityTabs: [StarTransactionTabAccessibilityElement] = [] |
| 63 | + private var focusSelection = false |
| 64 | + private var animateSelection = false |
| 65 | + |
| 66 | + required init(frame frameRect: NSRect) { |
| 67 | + super.init(frame: frameRect) |
| 68 | + addSubview(scrollView) |
| 69 | + scrollView.documentView = documentView |
| 70 | + scrollView.layer?.backgroundColor = NSColor.clear.cgColor |
| 71 | + scrollView.contentView.drawsBackground = false |
| 72 | + documentView.addSubview(segments) |
| 73 | + segments.didSelect = { [weak self] index in |
| 74 | + guard let item = self?.item as? StarTransactionTabsRowItem, item.items.indices.contains(index) else { |
| 75 | + return |
| 76 | + } |
| 77 | + item.callback(item.items[index].uniqueId) |
| 78 | + } |
| 79 | + } |
| 80 | + |
| 81 | + required init?(coder: NSCoder) { |
| 82 | + fatalError("init(coder:) has not been implemented") |
| 83 | + } |
| 84 | + |
| 85 | + override func accessibilityChildren() -> [Any]? { |
| 86 | + return TGUIKitAccessibility.isEnabled ? accessibilityTabs : nil |
| 87 | + } |
| 88 | + |
| 89 | + override func set(item: TableRowItem, animated: Bool = false) { |
| 90 | + super.set(item: item, animated: animated) |
| 91 | + guard let item = item as? StarTransactionTabsRowItem else { return } |
| 92 | + let selected = item.items.firstIndex(where: { $0.selected }) |
| 93 | + focusSelection = focusSelection || segments.selectedIndex != selected || segments.titles != item.items.map { $0.title } |
| 94 | + animateSelection = animated && !NSWorkspace.shared.accessibilityDisplayShouldReduceMotion |
| 95 | + segments.updateLocalizationAndTheme(theme: theme) |
| 96 | + segments.set(titles: item.items.map { $0.title }, selected: selected, animated: animateSelection) |
| 97 | + let previous = accessibilityTabs |
| 98 | + let frames = segments.itemFrames |
| 99 | + accessibilityTabs = item.items.enumerated().map { index, tab in |
| 100 | + let identifier = String(tab.uniqueId) |
| 101 | + let element = previous.first(where: { $0.accessibilityIdentifier() == identifier }) ?? StarTransactionTabAccessibilityElement() |
| 102 | + element.view = segments |
| 103 | + element.frameInView = frames[index] |
| 104 | + element.setAccessibilityElement(true) |
| 105 | + element.setAccessibilityParent(self) |
| 106 | + element.setAccessibilityIdentifier(identifier) |
| 107 | + element.setAccessibilityRole(.radioButton) |
| 108 | + element.setAccessibilityLabel(tab.accessibilityLabel?() ?? tab.title) |
| 109 | + element.setAccessibilityValue(NSNumber(value: tab.selected)) |
| 110 | + element.setAccessibilitySelected(tab.selected) |
| 111 | + element.reveal = { [weak self] in |
| 112 | + self?.revealTab(tab.uniqueId) |
| 113 | + } |
| 114 | + element.press = { [weak self] in |
| 115 | + guard let self, let item = self.item as? StarTransactionTabsRowItem, item.items.contains(where: { $0.uniqueId == tab.uniqueId }) else { |
| 116 | + return false |
| 117 | + } |
| 118 | + self.revealTab(tab.uniqueId) |
| 119 | + item.callback(tab.uniqueId) |
| 120 | + return true |
| 121 | + } |
| 122 | + return element |
| 123 | + } |
| 124 | + needsLayout = true |
| 125 | + } |
| 126 | + |
| 127 | + private func revealTab(_ id: Int64) { |
| 128 | + guard let item = item as? StarTransactionTabsRowItem, let index = item.items.firstIndex(where: { $0.uniqueId == id }) else { |
| 129 | + return |
| 130 | + } |
| 131 | + layoutSubtreeIfNeeded() |
| 132 | + scrollToSegment(at: index, animated: false) |
| 133 | + } |
| 134 | + |
| 135 | + private func scrollToSegment(at index: Int, animated: Bool) { |
| 136 | + guard segments.itemFrames.indices.contains(index) else { return } |
| 137 | + let frame = segments.convert(segments.itemFrames[index], to: documentView) |
| 138 | + let maxOffset = max(0, documentView.frame.width - scrollView.clipView.bounds.width) |
| 139 | + let offset = min(max(0, frame.midX - scrollView.clipView.bounds.width / 2), maxOffset) |
| 140 | + let point = NSPoint(x: offset, y: 0) |
| 141 | + if animated && !NSWorkspace.shared.accessibilityDisplayShouldReduceMotion { |
| 142 | + if point != scrollView.documentOffset { |
| 143 | + scrollView.clipView.scroll(to: point, animated: true) |
| 144 | + } |
| 145 | + } else { |
| 146 | + scrollView.clipView.updateBounds(to: point, cancel: true) |
| 147 | + scrollView.clipView.layer?.removeAnimation(forKey: "bounds") |
| 148 | + } |
| 149 | + scrollView.reflectScrolledClipView(scrollView.clipView) |
| 150 | + } |
| 151 | + |
| 152 | + override func updateColors() { |
| 153 | + super.updateColors() |
| 154 | + segments.updateLocalizationAndTheme(theme: theme) |
| 155 | + scrollView.layer?.backgroundColor = NSColor.clear.cgColor |
| 156 | + needsLayout = true |
| 157 | + } |
| 158 | + |
| 159 | + override func updateLayout(size: NSSize, transition: ContainedViewLayoutTransition) { |
| 160 | + super.updateLayout(size: size, transition: transition) |
| 161 | + let contentSize = segments.contentSize |
| 162 | + let inset = StarTransactionTabsRowItem.contentInset |
| 163 | + let documentSize = NSMakeSize(contentSize.width + inset * 2, contentSize.height + inset * 2) |
| 164 | + let viewportWidth = min(max(0, containerView.bounds.width), documentSize.width) |
| 165 | + let frame = NSMakeRect(floorToScreenPixels(backingScaleFactor, (containerView.bounds.width - viewportWidth) / 2), 0, viewportWidth, documentSize.height) |
| 166 | + let resized = scrollView.frame.size != frame.size || documentView.frame.size != documentSize |
| 167 | + transition.updateFrame(view: scrollView, frame: frame) |
| 168 | + documentView.setFrameSize(documentSize) |
| 169 | + segments.frame = NSRect(origin: NSPoint(x: inset, y: inset), size: contentSize) |
| 170 | + if (focusSelection || resized), let selected = segments.selectedIndex { |
| 171 | + scrollToSegment(at: selected, animated: focusSelection && animateSelection && !resized) |
| 172 | + } else if resized { |
| 173 | + let maxOffset = max(0, documentSize.width - viewportWidth) |
| 174 | + let offset = min(max(0, scrollView.clipView.bounds.minX), maxOffset) |
| 175 | + scrollView.clipView.updateBounds(to: NSPoint(x: offset, y: 0), cancel: true) |
| 176 | + scrollView.clipView.layer?.removeAnimation(forKey: "bounds") |
| 177 | + scrollView.reflectScrolledClipView(scrollView.clipView) |
| 178 | + } |
| 179 | + focusSelection = false |
| 180 | + animateSelection = false |
| 181 | + } |
| 182 | +} |
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