Initial commit
This commit is contained in:
Alex E. Tafoya
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// Destinations.swift
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// GreenshotMac
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//
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// Port of Greenshot's IDestination implementations for macOS.
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import AppKit
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import UniformTypeIdentifiers
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@MainActor
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enum Destinations {
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/// Sends a capture to a destination. `anchor` is used to position pickers and share sheets.
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@discardableResult
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static func export(_ capture: Capture,
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to destination: DestinationID,
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anchor: NSView? = nil) -> Bool {
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switch destination {
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case .picker:
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DestinationPickerWindowController.present(for: capture)
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return true
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case .editor:
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EditorWindowController.open(with: capture)
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return true
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case .clipboard:
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copyToClipboard(capture)
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Notifier.show(title: "Copied to clipboard", body: nil)
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return true
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case .file:
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return saveToFile(capture)
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case .fileWithDialog:
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return saveWithDialog(capture)
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case .printer:
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printCapture(capture)
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return true
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case .share:
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share(capture, anchor: anchor)
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return true
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case .email:
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sendAsEmail(capture, anchor: anchor)
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return true
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case .openWith:
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openWith(capture)
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return true
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}
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}
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// MARK: - Clipboard
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static func copyToClipboard(_ capture: Capture) {
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let pasteboard = NSPasteboard.general
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pasteboard.clearContents()
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let image = capture.nsImage
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pasteboard.writeObjects([image])
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if let data = ImageExporter.data(from: capture.image, format: .png, jpegQuality: 100) {
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pasteboard.setData(data, forType: .png)
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}
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}
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// MARK: - Files
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@discardableResult
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static func saveToFile(_ capture: Capture) -> Bool {
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let url = ImageExporter.suggestedURL(for: capture.details)
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do {
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try ImageExporter.write(capture.image, to: url, format: Configuration.shared.outputFileFormat)
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capture.details.filePath = url.path
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if Configuration.shared.copyPathToClipboard {
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NSPasteboard.general.clearContents()
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NSPasteboard.general.setString(url.path, forType: .string)
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}
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Notifier.show(title: "Screenshot saved", body: url.lastPathComponent, revealing: url)
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return true
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} catch {
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presentError(error)
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return false
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}
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}
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@discardableResult
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static func saveWithDialog(_ capture: Capture) -> Bool {
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let panel = NSSavePanel()
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let configuration = Configuration.shared
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panel.nameFieldStringValue = FilenamePattern.filename(pattern: configuration.outputFileFilenamePattern,
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details: capture.details,
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format: configuration.outputFileFormat)
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panel.directoryURL = URL(fileURLWithPath: configuration.outputFilePath, isDirectory: true)
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panel.allowedContentTypes = [.png, .jpeg, .tiff, .bmp, .gif]
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panel.canCreateDirectories = true
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panel.isExtensionHidden = false
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NSApp.activate(ignoringOtherApps: true)
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guard panel.runModal() == .OK, let url = panel.url else { return false }
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let format = ImageExporter.format(forPathExtension: url.pathExtension)
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do {
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try ImageExporter.write(capture.image, to: url, format: format)
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capture.details.filePath = url.path
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return true
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} catch {
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presentError(error)
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return false
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}
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}
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// MARK: - Print
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static func printCapture(_ capture: Capture) {
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let image = capture.nsImage
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let info = NSPrintInfo.shared
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info.horizontalPagination = .fit
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info.verticalPagination = .fit
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info.isHorizontallyCentered = true
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info.isVerticallyCentered = true
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info.orientation = image.size.width > image.size.height ? .landscape : .portrait
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let imageView = NSImageView(frame: CGRect(origin: .zero, size: image.size))
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imageView.image = image
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imageView.imageScaling = .scaleProportionallyUpOrDown
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let operation = NSPrintOperation(view: imageView, printInfo: info)
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operation.showsPrintPanel = true
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operation.showsProgressPanel = true
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NSApp.activate(ignoringOtherApps: true)
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operation.run()
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}
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// MARK: - Share
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static func share(_ capture: Capture, anchor: NSView?) {
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guard let url = writeTemporaryFile(capture) else { return }
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let picker = NSSharingServicePicker(items: [url])
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if let anchor {
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picker.show(relativeTo: anchor.bounds, of: anchor, preferredEdge: .minY)
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} else if let window = anchorWindow() {
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let view = window.contentView ?? NSView()
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picker.show(relativeTo: view.bounds, of: view, preferredEdge: .minY)
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}
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}
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// MARK: - Open with
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static func openWith(_ capture: Capture) {
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guard let url = writeTemporaryFile(capture) else { return }
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let panel = NSOpenPanel()
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panel.message = "Choose an application to open the screenshot with"
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panel.directoryURL = URL(fileURLWithPath: "/Applications")
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panel.allowedContentTypes = [.application]
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panel.allowsMultipleSelection = false
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panel.canChooseDirectories = false
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NSApp.activate(ignoringOtherApps: true)
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guard panel.runModal() == .OK, let application = panel.url else { return }
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NSWorkspace.shared.open([url],
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withApplicationAt: application,
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configuration: NSWorkspace.OpenConfiguration()) { _, error in
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if let error {
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DispatchQueue.main.async { presentError(error) }
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}
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}
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}
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// MARK: - Email
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static func sendAsEmail(_ capture: Capture, anchor: NSView?) {
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guard let url = writeTemporaryFile(capture) else { return }
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let subject = capture.details.title.isEmpty ? "Screenshot" : "Screenshot: \(capture.details.title)"
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if let service = NSSharingService(named: .composeEmail) {
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service.subject = subject
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service.perform(withItems: [url])
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} else {
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// No mail client is configured for the share service; fall back to the share sheet.
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share(capture, anchor: anchor)
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}
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}
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// MARK: - Helpers
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static func writeTemporaryFile(_ capture: Capture) -> URL? {
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let configuration = Configuration.shared
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let name = FilenamePattern.filename(pattern: configuration.outputFileFilenamePattern,
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details: capture.details,
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format: configuration.outputFileFormat)
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let directory = FileManager.default.temporaryDirectory
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.appendingPathComponent("GreenshotMac", isDirectory: true)
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let url = ImageExporter.uniqueURL(directory.appendingPathComponent(name))
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do {
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try ImageExporter.write(capture.image, to: url, format: configuration.outputFileFormat)
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return url
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} catch {
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presentError(error)
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return nil
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}
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}
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private static func anchorWindow() -> NSWindow? {
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NSApp.keyWindow ?? NSApp.windows.first { $0.isVisible }
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}
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static func presentError(_ error: Error) {
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let alert = NSAlert()
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alert.messageText = "GreenshotMac"
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alert.informativeText = error.localizedDescription
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alert.alertStyle = .warning
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alert.addButton(withTitle: "OK")
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NSApp.activate(ignoringOtherApps: true)
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alert.runModal()
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}
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}
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