KCD/BridgeViewController.swift

   1 //
   2 //  BridgeViewController.swift
   3 //  KCD
   4 //
   5 //  Created by Hori,Masaki on 2016/12/30.
   6 //  Copyright © 2016年 Hori,Masaki. All rights reserved.
   7 //
   8
   9 import Cocoa
  10
  11 protocol ScreenshotSharingProvider {
  12     var contentRect: NSRect { get }
  13 }
  14
  15 class BridgeViewController: NSViewController {
  16     @IBOutlet var arrayController: NSArrayController!
  17
  18     deinit {
  19         [NSContentArrayBinding, NSSortDescriptorsBinding,
  20          NSSelectionIndexesBinding, NSFilterPredicateBinding]
  21             .forEach { arrayController.unbind($0) }
  22     }
  23
  24     override var representedObject: Any? {
  25         didSet {
  26             guard let representedObject = representedObject else { return }
  27             [
  28                 (NSContentArrayBinding, "screenshots"),
  29                 (NSSortDescriptorsBinding, "sortDescriptors"),
  30                 (NSSelectionIndexesBinding, "selectedIndexes"),
  31                 (NSFilterPredicateBinding, "filterPredicate")
  32                 ]
  33                 .forEach {
  34                     arrayController.bind($0.0, to: representedObject, withKeyPath: $0.1, options: nil)
  35             }
  36         }
  37     }
  38     override func prepare(for segue: NSStoryboardSegue, sender: Any?) {
  39         (sender as? NSControl)?.action = nil
  40         (segue.destinationController as? NSViewController)?.representedObject = representedObject
  41     }
  42 }
  43
  44 extension BridgeViewController: NSSharingServicePickerDelegate, ScreenshotSharingProvider {
  45     var contentRect: NSRect {
  46         fatalError("Must implemente")
  47     }
  48     private var appendKanColleTag: Bool {
  49         return UserDefaults.standard.appendKanColleTag
  50     }
  51     private var tagString: String? {
  52         let tag = NSLocalizedString("kancolle", comment: "kancolle twitter hash tag")
  53         if tag == "" { return "" }
  54         return "#\(tag)"
  55     }
  56     @IBAction func share(_ sender: AnyObject?) {
  57         guard let view = sender as? NSView else { return }
  58         let picker = NSSharingServicePicker(items: itemsForShareingServicePicker())
  59         picker.delegate = self
  60         picker.show(relativeTo: view.bounds, of: view, preferredEdge: .minX)
  61     }
  62
  63     fileprivate func itemsForShareingServicePicker() -> [AnyObject] {
  64         guard let informations = arrayController.selectedObjects as? [ScreenshotInformation]
  65             else { return [] }
  66         let images: [NSImage] = informations.flatMap { NSImage(contentsOf: $0.url) }
  67         if !appendKanColleTag { return images }
  68         if let tag = tagString {
  69             return ["\n\(tag)" as AnyObject] + images
  70         }
  71         return images
  72     }
  73 }
  74 extension BridgeViewController: NSSharingServiceDelegate {
  75     func sharingServicePicker(_ sharingServicePicker: NSSharingServicePicker,
  76                               delegateFor sharingService: NSSharingService) -> NSSharingServiceDelegate? {
  77         return self
  78     }
  79
  80     func sharingService(_ sharingService: NSSharingService, sourceFrameOnScreenForShareItem item: Any) -> NSRect {
  81         return self.view.window?.convertToScreen(contentRect) ?? .zero
  82     }
  83     func sharingService(_ sharingService: NSSharingService,
  84                         transitionImageForShareItem item: Any,
  85                         contentRect: UnsafeMutablePointer<NSRect>) -> NSImage? {
  86         return item as? NSImage
  87     }
  88     func sharingService(_ sharingService: NSSharingService,
  89                         sourceWindowForShareItems items: [Any],
  90                         sharingContentScope: UnsafeMutablePointer<NSSharingContentScope>) -> NSWindow? {
  91         return view.window
  92     }
  93 }
  94
  95 @available(OSX 10.12.2, *)
  96 extension BridgeViewController: NSSharingServicePickerTouchBarItemDelegate {
  97     func items(for pickerTouchBarItem: NSSharingServicePickerTouchBarItem) -> [Any] {
  98         return itemsForShareingServicePicker()
  99     }
 100 }