passepartout-apple/Passepartout/App/macOS/Scenes/Service/ProviderServiceView.swift

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//
// ProviderServiceView.swift
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// Passepartout
//
// Created by Davide De Rosa on 6/13/19.
// Copyright (c) 2021 Davide De Rosa. All rights reserved.
//
// https://github.com/passepartoutvpn
//
// This file is part of Passepartout.
//
// Passepartout is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Passepartout is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Passepartout. If not, see <http://www.gnu.org/licenses/>.
//
import Cocoa
import PassepartoutCore
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protocol ProviderServiceViewDelegate: AnyObject {
func providerView(_ providerView: ProviderServiceView, didSelectPool pool: Pool)
func providerViewDidRequestInfrastructureRefresh(_ providerView: ProviderServiceView)
}
class ProviderServiceView: NSView {
@IBOutlet private weak var labelCategoryCaption: NSTextField!
@IBOutlet private weak var popupCategory: NSPopUpButton!
@IBOutlet private weak var labelLocationCaption: NSTextField!
@IBOutlet private weak var popupLocation: NSPopUpButton!
@IBOutlet private weak var popupArea: NSPopUpButton!
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@IBOutlet private weak var checkOnlyShowsFavorites: NSButton!
@IBOutlet private weak var labelLastInfrastructureUpdate: NSTextField!
@IBOutlet private weak var buttonRefreshInfrastructure: NSButton!
@IBOutlet private weak var buttonFavorite: NSButton!
var isEnabled: Bool = true {
didSet {
popupCategory.isEnabled = isEnabled
popupLocation.isEnabled = isEnabled
popupArea.isEnabled = isEnabled
}
}
var profile: ProviderConnectionProfile? {
didSet {
guard let profile = profile else {
popupCategory.removeAllItems()
popupLocation.removeAllItems()
popupArea.removeAllItems()
return
}
reloadHierarchy(withProfile: profile)
}
}
var isRefreshingInfrastructure: Bool = false {
didSet {
buttonRefreshInfrastructure.isEnabled = !isRefreshingInfrastructure
}
}
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private var onlyShowsFavorites: Bool = false {
didSet {
guard let profile = profile else {
return
}
reloadHierarchy(withProfile: profile)
}
}
private var categories: [PoolCategory] = []
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private var filteredGroupsByCategory: [String: [PoolGroup]] = [:]
weak var delegate: ProviderServiceViewDelegate?
override func viewWillMove(toSuperview newSuperview: NSView?) {
super.viewWillMove(toSuperview: newSuperview)
labelCategoryCaption.stringValue = L10n.App.Service.Cells.Category.caption.asCaption
labelLocationCaption.stringValue = L10n.Core.Service.Cells.Provider.Pool.caption.asCaption
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checkOnlyShowsFavorites.title = L10n.App.Service.Cells.OnlyShowsFavorites.caption
checkOnlyShowsFavorites.state = .off
buttonRefreshInfrastructure.image = NSImage(named: NSImage.refreshTemplateName)
buttonFavorite.image = NSImage(named: NSImage.bookmarksTemplateName)
updateFavoriteState()
}
// MARK: Actions
@IBAction private func selectCategory(_ sender: Any?) {
loadLocations()
loadAreas()
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delegateSelectedPool()
}
@IBAction private func selectLocation(_ sender: Any?) {
loadAreas()
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delegateSelectedPool()
}
@IBAction private func selectArea(_ sender: Any?) {
guard let pool = popupArea.selectedItem?.representedObject as? Pool else {
return
}
delegate?.providerView(self, didSelectPool: pool)
}
@IBAction private func refreshInfrastructure(_ sender: Any?) {
delegate?.providerViewDidRequestInfrastructureRefresh(self)
}
@IBAction private func toggleFavorite(_ sender: Any?) {
guard let category = selectedCategory(), let group = selectedGroup() else {
return
}
let groupId = group.uniqueId(in: category)
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let isFavorite = (buttonFavorite.state == .on)
if isFavorite {
profile?.favoriteGroupIds = profile?.favoriteGroupIds ?? []
profile?.favoriteGroupIds?.append(groupId)
} else {
profile?.favoriteGroupIds?.removeAll { $0 == groupId }
}
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// disable favorite while filtering favorites
//
// 1. reload list to select first
// 2. if last, disable filter
if onlyShowsFavorites, let profile = profile, buttonFavorite.state == .off {
if popupLocation.numberOfItems == 1 {
onlyShowsFavorites = false
checkOnlyShowsFavorites.state = .off
}
reloadHierarchy(withProfile: profile)
delegateSelectedPool()
}
if profile?.favoriteGroupIds?.isEmpty ?? true {
checkOnlyShowsFavorites.state = .off
checkOnlyShowsFavorites.isEnabled = false
} else {
checkOnlyShowsFavorites.isEnabled = true
}
}
@IBAction private func toggleOnlyShowsFavorites(_ sender: Any?) {
onlyShowsFavorites = (checkOnlyShowsFavorites.state == .on)
delegateSelectedPool()
}
// MARK: Helpers
func reloadData() {
}
private func reloadHierarchy(withProfile profile: ProviderConnectionProfile) {
categories = profile.infrastructure.categories.sorted { $0.name.lowercased() < $1.name.lowercased() }
popupCategory.removeAllItems()
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filteredGroupsByCategory.removeAll()
let menu = NSMenu()
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categories.forEach { category in
let item = NSMenuItem()
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item.title = !category.name.isEmpty ? category.name.capitalized : L10n.Core.Global.Values.default
item.representedObject = category
menu.addItem(item)
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setFilteredGroups(category.groups, forCategory: category)
}
popupCategory.menu = menu
let (a, b, c) = selectPopupsFromCurrentProfile()
if popupCategory.numberOfItems > 0 {
popupCategory.selectItem(at: a)
loadLocations()
if popupLocation.numberOfItems > 0 {
popupLocation.selectItem(at: b)
loadAreas()
if popupArea.numberOfItems > 0 {
popupArea.selectItem(at: c)
}
}
}
if let lastInfrastructureUpdate = InfrastructureFactory.shared.modificationDate(forName: profile.name) {
labelLastInfrastructureUpdate.stringValue = L10n.Core.Service.Sections.ProviderInfrastructure.footer(lastInfrastructureUpdate.timestamp)
}
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checkOnlyShowsFavorites.isEnabled = !(profile.favoriteGroupIds?.isEmpty ?? true)
}
// FIXME: inefficient, cache sorted pools
private func selectPopupsFromCurrentProfile() -> (Int, Int, Int) {
var a = 0, b = 0, c = 0
for category in categories {
b = 0
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for group in filteredGroups(forCategory: category) {
c = 0
for pool in group.pools.sortedPools() {
if pool.id == profile?.poolId {
return (a, b, c)
}
c += 1
}
b += 1
}
a += 1
}
return (0, 0, 0)
}
private func loadLocations() {
guard let category = popupCategory.selectedItem?.representedObject as? PoolCategory else {
return
}
popupLocation.removeAllItems()
let menu = NSMenu()
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filteredGroups(forCategory: category).forEach {
let item = NSMenuItem(title: $0.localizedCountry, action: nil, keyEquivalent: "")
item.image = $0.logo
item.representedObject = $0 // group
menu.addItem(item)
}
popupLocation.menu = menu
}
private func loadAreas() {
guard let group = popupLocation.selectedItem?.representedObject as? PoolGroup else {
return
}
popupArea.removeAllItems()
// FIXME: inefficient, cache sorted pools
let menu = NSMenu()
let pools = group.pools.sortedPools()
pools.forEach {
guard !$0.secondaryId.isEmpty || pools.count > 1 else {
return
}
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let title = !$0.secondaryId.isEmpty ? $0.secondaryId : L10n.Core.Global.Values.default
let item = NSMenuItem(title: title, action: nil, keyEquivalent: "")
if let extraCountry = $0.extraCountries?.first {
item.image = extraCountry.image
}
item.representedObject = $0 // pool
menu.addItem(item)
}
popupArea.menu = menu
popupArea.isHidden = menu.items.isEmpty
}
private func selectedCategory() -> PoolCategory? {
return popupCategory.selectedItem?.representedObject as? PoolCategory
}
private func selectedGroup() -> PoolGroup? {
return popupLocation.selectedItem?.representedObject as? PoolGroup
}
private func selectedPool() -> Pool? {
guard popupArea.numberOfItems > 0 else {
guard let group = popupLocation.selectedItem?.representedObject as? PoolGroup else {
return nil
}
return group.pools.first
}
return popupArea.itemArray.first?.representedObject as? Pool
}
private func updateFavoriteState() {
guard let category = selectedCategory(), let group = selectedGroup() else {
return
}
let groupId = group.uniqueId(in: category)
let isFavorite = profile?.favoriteGroupIds?.contains(groupId) ?? false
buttonFavorite.state = isFavorite ? .on : .off
}
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private func delegateSelectedPool() {
if let pool = selectedPool() {
updateFavoriteState()
delegate?.providerView(self, didSelectPool: pool)
}
}
private func filteredGroups(forCategory category: PoolCategory) -> [PoolGroup] {
return filteredGroupsByCategory[category.name] ?? []
}
private func setFilteredGroups(_ groups: [PoolGroup], forCategory category: PoolCategory) {
filteredGroupsByCategory[category.name] = category.groups.filter {
guard !onlyShowsFavorites else {
return profile?.favoriteGroupIds?.contains($0.uniqueId(in: category)) ?? false
}
return true
}.sorted()
}
}