118 lines
4.3 KiB
Swift
118 lines
4.3 KiB
Swift
import FlutterMacOS
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import AppKit
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import Quartz
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public class FilePlugin: NSObject, NativePlugin {
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private var channel: FlutterMethodChannel?
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public func register(with registrar: FlutterPluginRegistrar) {
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let c = FlutterMethodChannel(name: "ux/file", binaryMessenger: registrar.messenger)
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c.setMethodCallHandler { [weak self] call, result in
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self?.handle(call, result: result)
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}
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channel = c
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}
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private func handle(_ call: FlutterMethodCall, result: @escaping FlutterResult) {
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switch call.method {
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case "share": handleShare(call, result: result)
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case "open": handleOpen(call, result: result)
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default: result(FlutterMethodNotImplemented)
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}
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}
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private func handleShare(_ call: FlutterMethodCall, result: @escaping FlutterResult) {
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guard let args = call.arguments as? [String: Any],
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let path = args["path"] as? String else {
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return result(FlutterError(code: "bad_args", message: "path is required", details: nil))
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}
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guard let view = UxWindow.flutterView else {
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return result(FlutterError(code: "no_view", message: "no Flutter view", details: nil))
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}
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let url = URL(fileURLWithPath: path)
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let picker = NSSharingServicePicker(items: [url])
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let rect: NSRect
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if let r = args["sourceRect"] as? [String: Any],
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let x = (r["x"] as? NSNumber)?.doubleValue,
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let y = (r["y"] as? NSNumber)?.doubleValue,
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let w = (r["w"] as? NSNumber)?.doubleValue,
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let h = (r["h"] as? NSNumber)?.doubleValue {
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if view.isFlipped {
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rect = NSRect(x: x, y: y, width: w, height: h)
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} else {
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rect = NSRect(x: x, y: view.bounds.height - y - h, width: w, height: h)
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}
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} else {
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rect = NSRect(x: view.bounds.midX, y: view.bounds.midY, width: 1, height: 1)
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}
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picker.show(relativeTo: rect, of: view, preferredEdge: .minY)
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result(true)
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}
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private func handleOpen(_ call: FlutterMethodCall, result: @escaping FlutterResult) {
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guard let args = call.arguments as? [String: Any],
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let path = args["path"] as? String else {
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return result(FlutterError(code: "bad_args", message: "path is required", details: nil))
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}
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let url = URL(fileURLWithPath: path)
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// Prefer in-app Quick Look (keeps Banlu in the foreground).
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// Fall back to NSWorkspace.open if there's no window to host the panel.
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if let flutterView = UxWindow.flutterView,
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let window = flutterView.window,
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let panel = QLPreviewPanel.shared() {
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let responder = UxQLPreviewResponder(url: url, window: window)
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flutterView.addSubview(responder)
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window.makeFirstResponder(responder)
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panel.updateController()
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panel.makeKeyAndOrderFront(nil)
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result(true)
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return
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}
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result(NSWorkspace.shared.open(url))
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}
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}
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private final class UxQLPreviewResponder: NSView, QLPreviewPanelDataSource {
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let url: URL
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private weak var previousFirstResponder: NSResponder?
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private weak var previousWindow: NSWindow?
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init(url: URL, window: NSWindow) {
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self.url = url
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self.previousWindow = window
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self.previousFirstResponder = window.firstResponder
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super.init(frame: .zero)
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}
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required init?(coder: NSCoder) { fatalError("init(coder:) has not been implemented") }
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override var acceptsFirstResponder: Bool { true }
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override func acceptsPreviewPanelControl(_ panel: QLPreviewPanel) -> Bool { true }
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override func beginPreviewPanelControl(_ panel: QLPreviewPanel) {
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panel.dataSource = self
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}
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override func endPreviewPanelControl(_ panel: QLPreviewPanel) {
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panel.dataSource = nil
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let win = previousWindow
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let prev = previousFirstResponder
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DispatchQueue.main.async { [weak self] in
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win?.makeFirstResponder(prev)
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self?.removeFromSuperview()
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}
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}
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func numberOfPreviewItems(in panel: QLPreviewPanel!) -> Int { 1 }
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func previewPanel(_ panel: QLPreviewPanel!, previewItemAt index: Int) -> QLPreviewItem! {
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url as QLPreviewItem
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}
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}
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