NetNewsWire/iOS/KeyboardManager.swift

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//
// KeyboardManager.swift
// NetNewsWire-iOS
//
// Created by Maurice Parker on 9/4/19.
// Copyright © 2019 Ranchero Software. All rights reserved.
//
import UIKit
enum KeyboardType: String {
case global = "GlobalKeyboardShortcuts"
case sidebar = "SidebarKeyboardShortcuts"
case timeline = "TimelineKeyboardShortcuts"
case detail = "DetailKeyboardShortcuts"
}
class KeyboardManager {
private(set) var _keyCommands: [UIKeyCommand]
var keyCommands: [UIKeyCommand] {
guard !UIResponder.isFirstResponderTextField else { return [UIKeyCommand]() }
return _keyCommands
}
init(type: KeyboardType) {
_keyCommands = KeyboardManager.globalAuxilaryKeyCommands()
switch type {
case .sidebar:
_keyCommands.append(contentsOf: KeyboardManager.hardcodeFeedKeyCommands())
case .timeline, .detail:
_keyCommands.append(contentsOf: KeyboardManager.hardcodeArticleKeyCommands())
default:
break
}
let globalFile = Bundle.main.path(forResource: KeyboardType.global.rawValue, ofType: "plist")!
let globalEntries = NSArray(contentsOfFile: globalFile)! as! [[String: Any]]
let globalCommands = globalEntries.compactMap { KeyboardManager.createKeyCommand(keyEntry: $0) }
_keyCommands.append(contentsOf: globalCommands)
let specificFile = Bundle.main.path(forResource: type.rawValue, ofType: "plist")!
let specificEntries = NSArray(contentsOfFile: specificFile)! as! [[String: Any]]
_keyCommands.append(contentsOf: specificEntries.compactMap { KeyboardManager.createKeyCommand(keyEntry: $0) } )
}
static func createKeyCommand(title: String, action: String, input: String, modifiers: UIKeyModifierFlags) -> UIKeyCommand {
let selector = NSSelectorFromString(action)
return UIKeyCommand(title: title, image: nil, action: selector, input: input, modifierFlags: modifiers, propertyList: nil, alternates: [], discoverabilityTitle: nil, attributes: [], state: .on)
}
}
private extension KeyboardManager {
static func createKeyCommand(keyEntry: [String: Any]) -> UIKeyCommand? {
guard let input = createKeyCommandInput(keyEntry: keyEntry) else { return nil }
let modifiers = createKeyModifierFlags(keyEntry: keyEntry)
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let action = keyEntry["action"] as! String
if let title = keyEntry["title"] as? String {
return KeyboardManager.createKeyCommand(title: title, action: action, input: input, modifiers: modifiers)
} else {
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return UIKeyCommand(input: input, modifierFlags: modifiers, action: NSSelectorFromString(action))
}
}
static func createKeyCommandInput(keyEntry: [String: Any]) -> String? {
guard let key = keyEntry["key"] as? String else { return nil }
switch(key) {
case "[space]":
return "\u{0020}"
case "[uparrow]":
return UIKeyCommand.inputUpArrow
case "[downarrow]":
return UIKeyCommand.inputDownArrow
case "[leftarrow]":
return UIKeyCommand.inputLeftArrow
case "[rightarrow]":
return UIKeyCommand.inputRightArrow
case "[return]":
return "\r"
case "[enter]":
return nil
case "[delete]":
return "\u{8}"
case "[deletefunction]":
return nil
case "[tab]":
return "\t"
default:
return key
}
}
static func createKeyModifierFlags(keyEntry: [String: Any]) -> UIKeyModifierFlags {
var flags = UIKeyModifierFlags()
if keyEntry["shiftModifier"] as? Bool ?? false {
flags.insert(.shift)
}
if keyEntry["optionModifier"] as? Bool ?? false {
flags.insert(.alternate)
}
if keyEntry["commandModifier"] as? Bool ?? false {
flags.insert(.command)
}
if keyEntry["controlModifier"] as? Bool ?? false {
flags.insert(.control)
}
return flags
}
static func globalAuxilaryKeyCommands() -> [UIKeyCommand] {
var keys = [UIKeyCommand]()
let addNewFeedTitle = NSLocalizedString("New Web Feed", comment: "New Web Feed")
keys.append(KeyboardManager.createKeyCommand(title: addNewFeedTitle, action: "addNewFeed:", input: "n", modifiers: [.command]))
let addNewFolderTitle = NSLocalizedString("New Folder", comment: "New Folder")
keys.append(KeyboardManager.createKeyCommand(title: addNewFolderTitle, action: "addNewFolder:", input: "n", modifiers: [.command, .shift]))
let refreshTitle = NSLocalizedString("Refresh", comment: "Refresh")
keys.append(KeyboardManager.createKeyCommand(title: refreshTitle, action: "refresh:", input: "r", modifiers: [.command]))
let nextUnreadTitle = NSLocalizedString("Next Unread", comment: "Next Unread")
keys.append(KeyboardManager.createKeyCommand(title: nextUnreadTitle, action: "nextUnread:", input: "/", modifiers: [.command]))
let goToTodayTitle = NSLocalizedString("Go To Today", comment: "Go To Today")
keys.append(KeyboardManager.createKeyCommand(title: goToTodayTitle, action: "goToToday:", input: "1", modifiers: [.command]))
let goToAllUnreadTitle = NSLocalizedString("Go To All Unread", comment: "Go To All Unread")
keys.append(KeyboardManager.createKeyCommand(title: goToAllUnreadTitle, action: "goToAllUnread:", input: "2", modifiers: [.command]))
let goToStarredTitle = NSLocalizedString("Go To Starred", comment: "Go To Starred")
keys.append(KeyboardManager.createKeyCommand(title: goToStarredTitle, action: "goToStarred:", input: "3", modifiers: [.command]))
let gotoSettings = NSLocalizedString("Go To Settings", comment: "Go To Settings")
keys.append(KeyboardManager.createKeyCommand(title: gotoSettings, action: "goToSettings:", input: ",", modifiers: [.command]))
let articleSearchTitle = NSLocalizedString("Article Search", comment: "Article Search")
keys.append(KeyboardManager.createKeyCommand(title: articleSearchTitle, action: "articleSearch:", input: "f", modifiers: [.command, .alternate]))
let markAllAsReadTitle = NSLocalizedString("Mark All as Read", comment: "Mark All as Read")
keys.append(KeyboardManager.createKeyCommand(title: markAllAsReadTitle, action: "markAllAsRead:", input: "k", modifiers: [.command]))
let cleanUp = NSLocalizedString("Clean Up", comment: "Clean Up")
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keys.append(KeyboardManager.createKeyCommand(title: cleanUp, action: "cleanUp:", input: "'", modifiers: [.command]))
let toggleReadFeedsFilter = NSLocalizedString("Toggle Read Feeds Filter", comment: "Toggle Read Feeds Filter")
keys.append(KeyboardManager.createKeyCommand(title: toggleReadFeedsFilter, action: "toggleReadFeedsFilter:", input: "f", modifiers: [.command, .shift]))
let toggleReadArticlesFilter = NSLocalizedString("Toggle Read Articles Filter", comment: "Toggle Read Articles Filter")
keys.append(KeyboardManager.createKeyCommand(title: toggleReadArticlesFilter, action: "toggleReadArticlesFilter:", input: "h", modifiers: [.command, .shift]))
return keys
}
static func hardcodeFeedKeyCommands() -> [UIKeyCommand] {
var keys = [UIKeyCommand]()
let nextUpTitle = NSLocalizedString("Select Next Up", comment: "Select Next Up")
keys.append(KeyboardManager.createKeyCommand(title: nextUpTitle, action: "selectNextUp:", input: UIKeyCommand.inputUpArrow, modifiers: []))
let nextDownTitle = NSLocalizedString("Select Next Down", comment: "Select Next Down")
keys.append(KeyboardManager.createKeyCommand(title: nextDownTitle, action: "selectNextDown:", input: UIKeyCommand.inputDownArrow, modifiers: []))
let getFeedInfo = NSLocalizedString("Get Feed Info", comment: "Get Feed Info")
keys.append(KeyboardManager.createKeyCommand(title: getFeedInfo, action: "showFeedInspector:", input: "i", modifiers: .command))
return keys
}
static func hardcodeArticleKeyCommands() -> [UIKeyCommand] {
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var keys = [UIKeyCommand]()
let openInBrowserTitle = NSLocalizedString("Open In Browser", comment: "Open In Browser")
keys.append(KeyboardManager.createKeyCommand(title: openInBrowserTitle, action: "openInBrowser:", input: UIKeyCommand.inputRightArrow, modifiers: [.command]))
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let toggleReadTitle = NSLocalizedString("Toggle Read Status", comment: "Toggle Read Status")
keys.append(KeyboardManager.createKeyCommand(title: toggleReadTitle, action: "toggleRead:", input: "u", modifiers: [.command, .shift]))
let markAboveAsReadTitle = NSLocalizedString("Mark Above as Read", comment: "Mark Above as Read")
keys.append(KeyboardManager.createKeyCommand(title: markAboveAsReadTitle, action: "markAboveAsRead:", input: "k", modifiers: [.command, .control]))
let markBelowAsReadTitle = NSLocalizedString("Mark Below as Read", comment: "Mark Below as Read")
keys.append(KeyboardManager.createKeyCommand(title: markBelowAsReadTitle, action: "markBelowAsRead:", input: "k", modifiers: [.command, .shift]))
let toggleStarredTitle = NSLocalizedString("Toggle Starred Status", comment: "Toggle Starred Status")
keys.append(KeyboardManager.createKeyCommand(title: toggleStarredTitle, action: "toggleStarred:", input: "l", modifiers: [.command, .shift]))
let findInArticleTitle = NSLocalizedString("Find in Article", comment: "Find in Article")
keys.append(KeyboardManager.createKeyCommand(title: findInArticleTitle, action: "beginFind:", input: "f", modifiers: [.command]))
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let getFeedInfo = NSLocalizedString("Get Feed Info", comment: "Get Feed Info")
keys.append(KeyboardManager.createKeyCommand(title: getFeedInfo, action: "showFeedInspector:", input: "i", modifiers: .command))
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let toggleSidebar = NSLocalizedString("Toggle Sidebar", comment: "Toggle Sidebar")
keys.append(KeyboardManager.createKeyCommand(title: toggleSidebar, action: "toggleSidebar:", input: "s", modifiers: [.command, .control]))
let toggleReaderView = NSLocalizedString("Toggle Reader View", comment: "Toggle Reader View")
keys.append(KeyboardManager.createKeyCommand(title: toggleReaderView, action: "toggleReaderView:", input: "r", modifiers: [.command, .shift]))
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return keys
}
}