83 lines
3.2 KiB
Swift
83 lines
3.2 KiB
Swift
import AppKit
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import ClawdisIPC
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import Foundation
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@MainActor
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final class CanvasManager {
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static let shared = CanvasManager()
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private var panelController: CanvasWindowController?
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private var panelSessionKey: String?
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/// Optional anchor provider (e.g. menu bar status item). If nil, Canvas anchors to the mouse cursor.
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var defaultAnchorProvider: (() -> NSRect?)?
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private nonisolated static let canvasRoot: URL = {
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let base = FileManager.default.urls(for: .applicationSupportDirectory, in: .userDomainMask).first!
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return base.appendingPathComponent("Clawdis/canvas", isDirectory: true)
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}()
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func show(sessionKey: String, path: String? = nil, placement: CanvasPlacement? = nil) throws -> String {
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let anchorProvider = self.defaultAnchorProvider ?? Self.mouseAnchorProvider
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let session = sessionKey.trimmingCharacters(in: .whitespacesAndNewlines)
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if let controller = self.panelController, self.panelSessionKey == session {
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controller.presentAnchoredPanel(anchorProvider: anchorProvider)
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controller.applyPreferredPlacement(placement)
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controller.goto(path: path ?? "/")
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return controller.directoryPath
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}
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self.panelController?.close()
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self.panelController = nil
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self.panelSessionKey = nil
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try FileManager.default.createDirectory(at: Self.canvasRoot, withIntermediateDirectories: true)
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let controller = try CanvasWindowController(
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sessionKey: session,
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root: Self.canvasRoot,
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presentation: .panel(anchorProvider: anchorProvider))
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self.panelController = controller
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self.panelSessionKey = session
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controller.applyPreferredPlacement(placement)
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controller.showCanvas(path: path ?? "/")
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return controller.directoryPath
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}
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func hide(sessionKey: String) {
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let session = sessionKey.trimmingCharacters(in: .whitespacesAndNewlines)
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guard self.panelSessionKey == session else { return }
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self.panelController?.hideCanvas()
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}
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func hideAll() {
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self.panelController?.hideCanvas()
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}
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func goto(sessionKey: String, path: String, placement: CanvasPlacement? = nil) throws {
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_ = try self.show(sessionKey: sessionKey, path: path, placement: placement)
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}
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func eval(sessionKey: String, javaScript: String) async throws -> String {
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_ = try self.show(sessionKey: sessionKey, path: nil)
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guard let controller = self.panelController else { return "" }
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return await controller.eval(javaScript: javaScript)
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}
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func snapshot(sessionKey: String, outPath: String?) async throws -> String {
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_ = try self.show(sessionKey: sessionKey, path: nil)
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guard let controller = self.panelController else {
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throw NSError(domain: "Canvas", code: 21, userInfo: [NSLocalizedDescriptionKey: "canvas not available"])
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}
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return try await controller.snapshot(to: outPath)
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}
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// MARK: - Anchoring
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private static func mouseAnchorProvider() -> NSRect? {
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let pt = NSEvent.mouseLocation
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return NSRect(x: pt.x, y: pt.y, width: 1, height: 1)
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}
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// placement interpretation is handled by the window controller.
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}
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