spiegel-keyman/ios/engine/KMEI/KeymanEngine/Classes/Manager.swift
2018-03-07 21:46:54 -07:00

1453 lines
52 KiB
Swift

//
// Manager.swift
// KeymanEngine
//
// Created by Gabriel Wong on 2017-10-06.
// Copyright © 2017 SIL International. All rights reserved.
//
import UIKit
import WebKit
import XCGLogger
import Zip
typealias FetchKeyboardsBlock = ([String: Any]?) -> Void
// MARK: - Constants
// Possible states that a keyboard can be in
public enum KeyboardState {
case needsDownload
case needsUpdate
case upToDate
case downloading
case none
}
// Strings
private let keyboardChangeHelpText = "Tap here to change keyboard"
// URLs - used for reachability test
private let keymanHostName = "api.keyman.com"
// UI In-App Keyboard Constants
private let phonePortraitInAppKeyboardHeight: CGFloat = 183.0
private let phoneLandscapeInAppKeyboardHeight: CGFloat = 183.0
private let padPortraitInAppKeyboardHeight: CGFloat = 385.0
private let padLandscapeInAppKeyboardHeight: CGFloat = 385.0
// UI System Keyboard Constants
private let phonePortraitSystemKeyboardHeight: CGFloat = 216.0
private let phoneLandscapeSystemKeyboardHeight: CGFloat = 162.0
private let padPortraitSystemKeyboardHeight: CGFloat = 264.0
private let padLandscapeSystemKeyboardHeight: CGFloat = 352.0
public class Manager: NSObject, HTTPDownloadDelegate, UIGestureRecognizerDelegate, KeymanWebDelegate {
/// Application group identifier for shared container. Set this before accessing the shared manager.
public static var applicationGroupIdentifier: String?
public static let shared = Manager()
/// Display the help bubble on first use.
public var isKeymanHelpOn = true
// TODO: Change API to not disable removing as well
/// Allow users to add new keyboards in the keyboard picker.
/// - Default value is true.
/// - Setting this to false will also disable keyboard removal. To enable keyboard removal you should set
/// canRemoveKeyboards to true.
public var canAddNewKeyboards: Bool {
get {
return _canAddNewKeyboards
}
set(canAddNewKeyboards) {
_canAddNewKeyboards = canAddNewKeyboards
if !canAddNewKeyboards {
canRemoveKeyboards = false
}
}
}
private var _canAddNewKeyboards = true
/// Allow users to remove keyboards.
/// - Default value is true.
/// - The default keyboard is additionally prevented from being removed by canRemoveDefaultkeyboard.
public var canRemoveKeyboards = true
/// Allow the default keyboard to be removed.
/// The last keyboard cannot be removed, so the default keyboard cannot be removed if it
/// is the only keyboard in the list, regardless of the value of this property.
/// The default value is false.
public var canRemoveDefaultKeyboard = false
public let apiKeyboardRepository: APIKeyboardRepository
/// In keyboard extensions (system keyboard), `UIApplication.openURL(_:)` is unavailable. The API is not called in
/// the system keyboard since `KeyboardInfoViewController` is never used. `openURL(:_)` is only used in applications,
/// where it is safe. However, the entire Keyman Engine framework must be compiled with extension-safe APIs.
///
/// Set this to `UIApplication.shared.openURL` in your application.
public var openURL: ((URL) -> Bool)?
var currentKeyboardID: FullKeyboardID?
weak var keymanWebDelegate: KeymanWebDelegate?
var currentRequest: HTTPDownloadRequest?
var shouldReloadKeyboard = false
var keymanWeb: KeymanWebViewController! = nil
private var downloadQueue: HTTPDownloader?
private var sharedQueue: HTTPDownloader!
private var reachability: Reachability!
private var didSynchronize = false
private var didResizeToOrientation = false
private var lastKeyboardSize: CGSize = .zero
private var useSpecialFontForSubkeys = false
private let subKeyColor = #colorLiteral(red: 244.0 / 255.0, green: 244.0 / 255.0, blue: 244.0 / 255.0, alpha: 1.0)
private let subKeyColorHighlighted = #colorLiteral(red: 136.0 / 255.0, green: 136.0 / 255.0, blue: 1.0, alpha: 1.0)
// Views
private var helpBubbleView: PopoverView?
private var keyPreviewView: KeyPreviewView?
private var subKeysView: SubKeysView?
private var keyboardMenuView: KeyboardMenuView?
// Arrays
private var subKeyIDs: [String] = []
private var subKeyTexts: [String] = []
private var subKeys: [UIButton] = []
// Key frames
private var keyFrame = CGRect.zero
private var menuKeyFrame = CGRect.zero
// MARK: - Object Admin
deinit {
NotificationCenter.default.removeObserver(self)
// FIXME: Likely unneeded unless a reference exists to currentRequest outside of Manager
if let currentRequest = currentRequest {
currentRequest.userInfo["completionBlock"] = nil
}
}
private override init() {
apiKeyboardRepository = APIKeyboardRepository()
super.init()
URLProtocol.registerClass(KeymanURLProtocol.self)
Migrations.migrate(storage: Storage.active)
if Storage.active.userDefaults.userKeyboards?.isEmpty ?? true {
Storage.active.userDefaults.userKeyboards = [Defaults.keyboard]
}
if Util.isSystemKeyboard || Storage.active.userDefaults.bool(forKey: Key.keyboardPickerDisplayed) {
isKeymanHelpOn = false
}
do {
try Storage.active.copyKMWFiles(from: Resources.bundle)
} catch {
log.error("Failed to copy KMW files from bundle: \(error)")
}
NotificationCenter.default.addObserver(self, selector: #selector(self.keyboardWillShow),
name: .UIKeyboardWillShow, object: nil)
NotificationCenter.default.addObserver(self, selector: #selector(self.keyboardWillHide),
name: .UIKeyboardWillHide, object: nil)
updateUserKeyboards(with: Defaults.keyboard)
keymanWeb = KeymanWebViewController(storage: Storage.active)
keymanWeb.frame = CGRect(origin: .zero, size: keyboardSize)
keymanWeb.delegate = self
reloadKeyboard(in: keymanWeb)
// Set UILongPressGestureRecognizer to show sub keys
// TODO: Move to KeymanWebViewController
let hold = UILongPressGestureRecognizer(target: self, action: #selector(self.holdAction))
hold.minimumPressDuration = 0.5
hold.delegate = self
keymanWeb.view.addGestureRecognizer(hold)
reachability = Reachability(hostName: keymanHostName)
NotificationCenter.default.addObserver(self, selector: #selector(self.reachabilityChanged),
name: .reachabilityChanged, object: reachability)
reachability.startNotifier()
/* HTTPDownloader only uses this for its delegate methods. So long as we don't
* set the queue running, this should be perfectly fine.
*/
sharedQueue = HTTPDownloader.init(self)
}
// MARK: - Keyboard management
/// Sets the current keyboard, querying from the user's list of keyboards.
///
/// - Precondition:
/// - The keyboard must be added with `addKeyboard()`.
///
/// - SeeAlso:
/// - addKeyboard()
/// - Returns: Whether the keyboard was set successfully
public func setKeyboard(withFullID fullID: FullKeyboardID) -> Bool {
if let keyboard = Storage.active.userDefaults.userKeyboard(withFullID: fullID) {
return setKeyboard(keyboard)
}
return false
}
/// Set the current keyboard.
///
/// - Returns: Whether the keyboard was set successfully
public func setKeyboard(_ kb: InstallableKeyboard) -> Bool {
if kb.fullID == currentKeyboardID {
log.info("Keyboard unchanged: \(kb.fullID)")
return false
}
log.info("Setting language: \(kb.fullID)")
currentKeyboardID = kb.fullID
if let fontFilename = kb.font?.source.first(where: { $0.hasFontExtension }) {
_ = FontManager.shared.registerFont(at: Storage.active.fontURL(forKeyboardID: kb.id, filename: fontFilename))
}
if let oskFontFilename = kb.oskFont?.source.first(where: { $0.hasFontExtension }) {
_ = FontManager.shared.registerFont(at: Storage.active.fontURL(forKeyboardID: kb.id, filename: oskFontFilename))
}
keymanWeb.setKeyboard(kb)
let userData = Util.isSystemKeyboard ? UserDefaults.standard : Storage.active.userDefaults
userData.currentKeyboardID = kb.fullID
userData.synchronize()
if isKeymanHelpOn {
helpBubbleView?.removeFromSuperview()
let showHelpBubble = #selector(self.showHelpBubble as () -> Void)
NSObject.cancelPreviousPerformRequests(withTarget: self, selector: showHelpBubble, object: nil)
perform(showHelpBubble, with: nil, afterDelay: 1.5)
}
NotificationCenter.default.post(name: Notifications.keyboardChanged,
object: self,
value: kb)
return true
}
/// Adds a new keyboard to the list in the keyboard picker if it doesn't already exist.
/// The keyboard must be downloaded (see `downloadKeyboard()`) or preloaded (see `preloadLanguageFile()`)
public func addKeyboard(_ keyboard: InstallableKeyboard) {
let keyboardPath = Storage.active.keyboardURL(for: keyboard).path
if !FileManager.default.fileExists(atPath: keyboardPath) {
log.error("Could not add keyboard with ID: \(keyboard.id) because the keyboard file does not exist")
return
}
// Get keyboards list if it exists in user defaults, otherwise create a new one
let userDefaults = Storage.active.userDefaults
var userKeyboards = userDefaults.userKeyboards ?? []
// Update keyboard if it exists
if let index = userKeyboards.index(where: { $0.fullID == keyboard.fullID }) {
userKeyboards[index] = keyboard
} else {
userKeyboards.append(keyboard)
}
userDefaults.userKeyboards = userKeyboards
userDefaults.set([Date()], forKey: Key.synchronizeSWKeyboard)
userDefaults.synchronize()
}
/// Removes a keyboard from the list in the keyboard picker if it exists.
/// - Returns: The keyboard exists and was removed
public func removeKeyboard(withFullID fullID: FullKeyboardID) -> Bool {
// Remove keyboard from the list if it exists
let index = Storage.active.userDefaults.userKeyboards?.index { $0.fullID == fullID }
if let index = index {
return removeKeyboard(at: index)
}
return false
}
/// Removes the keyboard at index from the keyboards list if it exists.
/// - Returns: The keyboard exists and was removed
public func removeKeyboard(at index: Int) -> Bool {
let userData = Storage.active.userDefaults
// If user defaults for keyboards list does not exist, do nothing.
guard var userKeyboards = userData.userKeyboards else {
return false
}
guard index < userKeyboards.count else {
return false
}
let kb = userKeyboards[index]
userKeyboards.remove(at: index)
userData.userKeyboards = userKeyboards
userData.set([Date()], forKey: Key.synchronizeSWKeyboard)
userData.synchronize()
log.info("Removing keyboard with ID \(kb.id) and languageID \(kb.languageID)")
// Set a new keyboard if deleting the current one
if kb.fullID == currentKeyboardID {
setKeyboard(userKeyboards[0])
}
if !userKeyboards.contains(where: { $0.id == kb.id }) {
let keyboardDir = Storage.active.keyboardDir(forID: kb.id)
FontManager.shared.unregisterFonts(in: keyboardDir, fromSystemOnly: false)
log.info("Deleting directory \(keyboardDir)")
if (try? FileManager.default.removeItem(at: keyboardDir)) == nil {
log.error("Failed to delete \(keyboardDir)")
}
} else {
log.info("User has another language installed. Skipping delete of keyboard files.")
}
NotificationCenter.default.post(name: Notifications.keyboardRemoved, object: self, value: kb)
return true
}
/// - Returns: Info for the current keyboard, if a keyboard is set
public var currentKeyboard: InstallableKeyboard? {
guard let fullID = currentKeyboardID else {
return nil
}
return Storage.active.userDefaults.userKeyboard(withFullID: fullID)
}
/// Switch to the next keyboard.
/// - Returns: Index of the newly selected keyboard.
public func switchToNextKeyboard() -> Int? {
guard let userKeyboards = Storage.active.userDefaults.userKeyboards,
let index = userKeyboards.index(where: { self.currentKeyboardID == $0.fullID })
else {
return nil
}
let newIndex = (index + 1) % userKeyboards.count
setKeyboard(userKeyboards[newIndex])
return newIndex
}
/// - Returns: The font name for the given keyboard ID and languageID, or returns nil if
/// - The keyboard doesn't have a font
/// - The keyboard info is not available in the user keyboards list
public func fontNameForKeyboard(withFullID fullID: FullKeyboardID) -> String? {
let kb = Storage.active.userDefaults.userKeyboard(withFullID: fullID)
if let filename = kb?.font?.source.first(where: { $0.hasFontExtension }) {
let fontURL = Storage.active.fontURL(forKeyboardID: fullID.keyboardID, filename: filename)
return FontManager.shared.fontName(at: fontURL)
}
return nil
}
/// - Returns: the OSK font name for the given keyboard ID and languageID, or returns nil if
/// - The keyboard doesn't have an OSK font
/// - The keyboard info is not available in the user keyboards list
func oskFontNameForKeyboard(withFullID fullID: FullKeyboardID) -> String? {
let kb = Storage.active.userDefaults.userKeyboard(withFullID: fullID)
if let filename = kb?.oskFont?.source.first(where: { $0.hasFontExtension }) {
let fontURL = Storage.active.fontURL(forKeyboardID: fullID.keyboardID, filename: filename)
return FontManager.shared.fontName(at: fontURL)
}
return nil
}
// MARK: - Adhoc keyboards
public func parseKMP(_ folder: URL) throws -> Void {
do {
var path = folder
path.appendPathComponent("kmp.json")
let data = try Data(contentsOf: path, options: .mappedIfSafe)
let jsonResult = try JSONSerialization.jsonObject(with: data, options: .mutableLeaves)
if let jsonResult = jsonResult as? [String:AnyObject] {
if let keyboards = jsonResult["keyboards"] as? [[String:AnyObject]] {
for k in keyboards {
let name = k["name"] as! String
let keyboardID = k["id"] as! String
let version = k["version"] as! String
var oskFont: Font?
let osk = k["oskFont"] as? String
if let _ = osk {
oskFont = Font(filename: osk!)
}
var displayFont: Font?
let font = k["displayFont"] as? String
if let _ = font {
displayFont = Font(filename: font!)
}
//TODO: handle errors if languages do not exist
var languageName = ""
var languageId = ""
var installableKeyboards : [InstallableKeyboard] = []
if let langs = k["languages"] as? [[String:String]] {
for l in langs {
languageName = l["name"]!
languageId = l["id"]!
installableKeyboards.append( InstallableKeyboard(id: keyboardID, name: name, languageID: languageId, languageName: languageName, version: version, isRTL: false, font: displayFont, oskFont: oskFont, isCustom: false))
}
}
do {
try FileManager.default.createDirectory(at: Storage.active.keyboardDir(forID: keyboardID),
withIntermediateDirectories: true)
} catch {
log.error("Could not create dir for download: \(error)")
throw KMPError.fileSystem
}
for keyboard in installableKeyboards {
let storedPath = Storage.active.keyboardURL(for: keyboard)
var installableFiles: [[Any]] = [["\(keyboardID).js", storedPath]]
if let _ = osk {
let oskPath = Storage.active.fontURL(forKeyboardID: keyboardID, filename: osk!)
installableFiles.append([osk, oskPath])
}
if let _ = font {
let displayPath = Storage.active.fontURL(forKeyboardID: keyboardID, filename: font!)
installableFiles.append([font, displayPath])
}
do {
for item in installableFiles {
var filePath = folder
if(FileManager.default.fileExists(atPath: (item[1] as! URL).path)) {
try FileManager.default.removeItem(at: item[1] as! URL)
}
filePath.appendPathComponent(item[0] as! String)
try FileManager.default.copyItem(at: filePath,
to: item[1] as! URL)
}
} catch {
log.error("Error saving the download: \(error)")
throw KMPError.copyFiles
}
Manager.shared.addKeyboard(keyboard)
}
}
}
}
} catch {
log.error("error parsing kmp: \(error)")
throw KMPError.invalidPackage
}
}
public func unzipFile(fileUrl: URL, destination: URL, complete: @escaping () -> Void)
{
do {
try Zip.unzipFile(fileUrl, destination: destination, overwrite: true,
password: nil,
progress: { (progress) -> () in
//TODO: add timeout
if(progress == 1.0) {
complete()
}
})
} catch {
log.error("error unzipping archive: \(error)")
}
}
// MARK: - Downloading keyboards
/// Asynchronously fetches the .js file for the keyboard with given IDs.
/// See `Notifications` for notification on success/failiure.
/// - Parameters:
/// - isUpdate: Keep the keyboard files on failure
/// - fetchRepositoryIfNeeded: Fetch the list of keyboards from the API if necessary.
public func downloadKeyboard(withID keyboardID: String,
languageID: String,
isUpdate: Bool,
fetchRepositoryIfNeeded: Bool = true) {
guard let keyboards = apiKeyboardRepository.keyboards,
let options = apiKeyboardRepository.options
else {
if fetchRepositoryIfNeeded {
log.info("Fetching repository from API for keyboard download")
apiKeyboardRepository.fetch { error in
if let error = error {
self.downloadFailed(forKeyboards: [], error: error)
} else {
log.info("Fetched repository. Continuing with keyboard download.")
self.downloadKeyboard(withID: keyboardID,
languageID: languageID,
isUpdate: isUpdate,
fetchRepositoryIfNeeded: false)
}
}
return
}
let message = "Keyboard repository not yet fetched"
let error = NSError(domain: "Keyman", code: 0, userInfo: [NSLocalizedDescriptionKey: message])
downloadFailed(forKeyboards: [], error: error)
return
}
guard let keyboard = apiKeyboardRepository.installableKeyboard(withID: keyboardID, languageID: languageID),
let filename = keyboards[keyboardID]?.filename
else {
let message = "Keyboard not found with id: \(keyboardID), languageID: \(languageID)"
let error = NSError(domain: "Keyman", code: 0,
userInfo: [NSLocalizedDescriptionKey: message])
downloadFailed(forKeyboards: [], error: error)
return
}
guard downloadQueue == nil else {
let error = NSError(domain: "Keyman", code: 0,
userInfo: [NSLocalizedDescriptionKey: "Download queue is busy"])
downloadFailed(forKeyboards: [keyboard], error: error)
return
}
guard reachability.currentReachabilityStatus() != NotReachable else {
let error = NSError(domain: "Keyman", code: 0,
userInfo: [NSLocalizedDescriptionKey: "No internet connection"])
downloadFailed(forKeyboards: [keyboard], error: error)
return
}
do {
try FileManager.default.createDirectory(at: Storage.active.keyboardDir(forID: keyboardID),
withIntermediateDirectories: true)
} catch {
log.error("Could not create dir for download: \(error)")
return
}
let keyboardURL = options.keyboardBaseURL.appendingPathComponent(filename)
let fontURLs = Array(Set(keyboardFontURLs(forFont: keyboard.font, options: options) +
keyboardFontURLs(forFont: keyboard.oskFont, options: options)))
// TODO: Better typing
downloadQueue = HTTPDownloader(self)
let commonUserData: [String: Any] = [
Key.keyboardInfo: [keyboard],
Key.update: isUpdate
]
downloadQueue!.userInfo = commonUserData
var request = HTTPDownloadRequest(url: keyboardURL, userInfo: commonUserData)
request.destinationFile = Storage.active.keyboardURL(for: keyboard).path
request.tag = 0
downloadQueue!.addRequest(request)
for (i, url) in fontURLs.enumerated() {
request = HTTPDownloadRequest(url: url, userInfo: commonUserData)
request.destinationFile = Storage.active.fontURL(forKeyboardID: keyboardID, filename: url.lastPathComponent).path
request.tag = i + 1
downloadQueue!.addRequest(request)
}
downloadQueue!.run()
}
private func keyboardFontURLs(forFont font: Font?, options: Options) -> [URL] {
guard let font = font else {
return []
}
return font.source.filter({ $0.hasFontExtension })
.map({ options.fontBaseURL.appendingPathComponent($0) })
}
/// Downloads a custom keyboard from the URL
/// - Parameters:
/// - url: URL to a JSON description of the keyboard
public func downloadKeyboard(from url: URL) {
guard reachability.currentReachabilityStatus() != NotReachable else {
let error = NSError(domain: "Keyman", code: 0,
userInfo: [NSLocalizedDescriptionKey: "No connection"])
downloadFailed(forKeyboards: [], error: error)
return
}
guard let data = try? Data(contentsOf: url) else {
let error = NSError(domain: "Keyman", code: 0,
userInfo: [NSLocalizedDescriptionKey: "Failed to fetch JSON file"])
downloadFailed(forKeyboards: [], error: error)
return
}
let decoder = JSONDecoder()
decoder.dateDecodingStrategy = .ios8601WithFallback
do {
let keyboard = try decoder.decode(KeyboardAPICall.self, from: data)
return downloadKeyboard(keyboard)
} catch {
downloadFailed(forKeyboards: [], error: error)
return
}
}
/// Assumes that Keyboard has font and oskFont set and ignores fonts contained in Language.
private func downloadKeyboard(_ keyboardAPI: KeyboardAPICall) {
let keyboard = keyboardAPI.keyboard
let installableKeyboards = keyboard.languages!.map { language in
InstallableKeyboard(keyboard: keyboard, language: language, isCustom: true)
}
let filename = keyboard.filename
let keyboardURL = keyboardAPI.options.keyboardBaseURL.appendingPathComponent(filename)
let fontURLs = Array(Set(keyboardFontURLs(forFont: keyboard.font, options: keyboardAPI.options) +
keyboardFontURLs(forFont: keyboard.oskFont, options: keyboardAPI.options)))
if downloadQueue != nil {
// Download queue is active.
let error = NSError(domain: "Keyman", code: 0,
userInfo: [NSLocalizedDescriptionKey: "Download queue is busy"])
downloadFailed(forKeyboards: installableKeyboards, error: error)
return
}
if reachability.currentReachabilityStatus() == NotReachable {
let error = NSError(domain: "Keyman", code: 0, userInfo: [NSLocalizedDescriptionKey: "No internet connection"])
downloadFailed(forKeyboards: installableKeyboards, error: error)
return
}
do {
try FileManager.default.createDirectory(at: Storage.active.keyboardDir(forID: keyboard.id),
withIntermediateDirectories: true)
} catch {
log.error("Could not create dir for download: \(error)")
return
}
let isUpdate = Storage.active.userDefaults.userKeyboards?.contains { $0.id == keyboard.id } ?? false
downloadQueue = HTTPDownloader(self)
let commonUserData: [String: Any] = [
Key.keyboardInfo: installableKeyboards,
Key.update: isUpdate
]
downloadQueue!.userInfo = commonUserData
var request = HTTPDownloadRequest(url: keyboardURL, userInfo: commonUserData)
request.destinationFile = Storage.active.keyboardURL(forID: keyboard.id, version: keyboard.version).path
request.tag = 0
downloadQueue!.addRequest(request)
for (i, url) in fontURLs.enumerated() {
request = HTTPDownloadRequest(url: url, userInfo: commonUserData)
request.destinationFile = Storage.active.fontURL(forKeyboardID: keyboard.id, filename: url.lastPathComponent).path
request.tag = i + 1
downloadQueue!.addRequest(request)
}
downloadQueue!.run()
}
/// - Returns: The current state for a keyboard
public func stateForKeyboard(withID keyboardID: String) -> KeyboardState {
if keyboardIdForCurrentRequest() == keyboardID {
return .downloading
}
let userKeyboards = Storage.active.userDefaults.userKeyboards
guard let userKeyboard = userKeyboards?.first(where: { $0.id == keyboardID }) else {
return .needsDownload
}
// Check version
if let repositoryVersionString = apiKeyboardRepository.keyboards?[keyboardID]?.version {
let downloadedVersion = Version(userKeyboard.version) ?? Version.fallback
let repositoryVersion = Version(repositoryVersionString) ?? Version.fallback
if downloadedVersion < repositoryVersion {
return .needsUpdate
}
}
return .upToDate
}
func keyboardIdForCurrentRequest() -> String? {
if let currentRequest = currentRequest {
let tmpStr = currentRequest.url.lastPathComponent
if tmpStr.hasJavaScriptExtension {
return String(tmpStr.dropLast(3))
}
} else if let downloadQueue = downloadQueue {
let kbInfo = downloadQueue.userInfo[Key.keyboardInfo]
if let keyboards = kbInfo as? [InstallableKeyboard], let keyboard = keyboards.first {
return keyboard.id
}
}
return nil
}
@objc func reachabilityChanged(_ notification: Notification) {
log.debug {
let reachStr: String
switch reachability.currentReachabilityStatus() {
case ReachableViaWiFi:
reachStr = "Reachable Via WiFi"
case ReachableViaWWAN:
reachStr = "Reachable Via WWan"
default:
reachStr = "Not Reachable"
}
return "Reachability changed to '\(reachStr)'"
}
}
// MARK: - HTTPDownloadDelegate methods
func downloadQueueFinished(_ queue: HTTPDownloader) { }
func downloadRequestStarted(_ request: HTTPDownloadRequest) {
// If we're downloading a new keyboard.
// The extra check is there to filter out other potential request types in the future.
if request.tag == 0 && request.typeCode == .downloadFile {
NotificationCenter.default.post(name: Notifications.keyboardDownloadStarted,
object: self,
value: request.userInfo[Key.keyboardInfo] as! [InstallableKeyboard])
}
}
func downloadRequestFinished(_ request: HTTPDownloadRequest) {
switch request.typeCode {
case .downloadFile:
let keyboards = request.userInfo[Key.keyboardInfo] as! [InstallableKeyboard]
let keyboard = keyboards[0]
let isUpdate = request.userInfo[Key.update] as! Bool
if let statusCode = request.responseStatusCode, statusCode == 200 {
// The request has succeeded.
if downloadQueue!.requestsCount == 0 {
// Download queue finished.
downloadQueue = nil
FontManager.shared.registerCustomFonts()
log.info("Downloaded keyboard: \(keyboard.id).")
NotificationCenter.default.post(name: Notifications.keyboardDownloadCompleted,
object: self,
value: keyboards)
if isUpdate {
shouldReloadKeyboard = true
reloadKeyboard(in: keymanWeb)
}
let userDefaults = Storage.active.userDefaults
userDefaults.set([Date()], forKey: Key.synchronizeSWKeyboard)
userDefaults.synchronize()
}
} else { // Possible request error (400 Bad Request, 404 Not Found, etc.)
downloadQueue!.cancelAllOperations()
downloadQueue = nil
let errorMessage = "\(request.responseStatusMessage ?? ""): \(request.url)"
let error = NSError(domain: "Keyman", code: 0,
userInfo: [NSLocalizedDescriptionKey: errorMessage])
log.error("Keyboard download failed: \(error).")
if !isUpdate {
// Clean up keyboard file if anything fails
// TODO: Also clean up remaining fonts
try? FileManager.default.removeItem(at: Storage.active.keyboardURL(for: keyboard))
}
downloadFailed(forKeyboards: keyboards, error: error)
}
}
}
func downloadRequestFailed(_ request: HTTPDownloadRequest) {
switch request.typeCode {
case .downloadFile:
downloadQueue = nil
let error = request.error!
log.error("Keyboard download failed: \(error).")
let keyboards = request.userInfo[Key.keyboardInfo] as! [InstallableKeyboard]
let keyboard = keyboards[0]
let isUpdate = request.userInfo[Key.update] as! Bool
if !isUpdate {
// Clean up keyboard file if anything fails
// TODO: Also clean up remaining fonts
try? FileManager.default.removeItem(at: Storage.active.keyboardURL(for: keyboard))
}
downloadFailed(forKeyboards: keyboards, error: error as NSError)
}
}
private func downloadFailed(forKeyboards keyboards: [InstallableKeyboard], error: Error) {
let notification = KeyboardDownloadFailedNotification(keyboards: keyboards, error: error)
NotificationCenter.default.post(name: Notifications.keyboardDownloadFailed,
object: self,
value: notification)
}
// MARK: - Loading custom keyboards
/// Preloads the JS and font files required for a keyboard.
public func preloadFiles(forKeyboardID keyboardID: String, at urls: [URL], shouldOverwrite: Bool) throws {
let keyboardDir = Storage.active.keyboardDir(forID: keyboardID)
try FileManager.default.createDirectory(at: keyboardDir, withIntermediateDirectories: true)
for url in urls {
try Storage.copyAndExcludeFromBackup(at: url,
to: keyboardDir.appendingPathComponent(url.lastPathComponent),
shouldOverwrite: shouldOverwrite)
}
}
// MARK: - File system and UserData management
/// Updates the user's installed keyboards and current keyboard with information in newKeyboard.
/// - Parameter newKeyboard: Info for updated keyboard.
func updateUserKeyboards(with newKeyboard: InstallableKeyboard) {
let userData = Storage.active.userDefaults
guard var userKeyboards = userData.userKeyboards else {
return
}
// Set version in user keyboards list
for i in userKeyboards.indices {
var kb = userKeyboards[i]
if kb.id == newKeyboard.id {
if kb.languageID == newKeyboard.languageID {
kb = newKeyboard
} else {
kb.version = newKeyboard.version
}
userKeyboards[i] = kb
}
}
userData.userKeyboards = userKeyboards
userData.synchronize()
}
func synchronizeSWKeyboard() {
if let shared = Storage.shared,
let nonShared = Storage.nonShared {
let keysToCopy = [Key.userKeyboardsList, Key.engineVersion]
shared.copyUserDefaults(to: nonShared, withKeys: keysToCopy, shouldOverwrite: true)
do {
try shared.copyFiles(to: nonShared)
FontManager.shared.registerCustomFonts()
} catch {
log.error("Failed to copy from shared container: \(error)")
}
}
}
// MARK: - View management
public var keyboardHeight: CGFloat {
if Util.isSystemKeyboard {
return keyboardHeight(isPortrait: InputViewController.isPortrait)
} else {
return keyboardHeight(isPortrait: UIDevice.current.orientation.isPortrait)
}
}
func keyboardHeight(with orientation: UIInterfaceOrientation) -> CGFloat {
return keyboardHeight(isPortrait: orientation.isPortrait)
}
func keyboardHeight(isPortrait: Bool) -> CGFloat {
if UIDevice.current.userInterfaceIdiom == .pad {
if isPortrait {
return Util.isSystemKeyboard ? padPortraitSystemKeyboardHeight : padPortraitInAppKeyboardHeight
} else {
return Util.isSystemKeyboard ? padLandscapeSystemKeyboardHeight : padLandscapeInAppKeyboardHeight
}
} else {
if isPortrait {
return Util.isSystemKeyboard ? phonePortraitSystemKeyboardHeight : phonePortraitInAppKeyboardHeight
} else {
return Util.isSystemKeyboard ? phoneLandscapeSystemKeyboardHeight : phoneLandscapeInAppKeyboardHeight
}
}
}
var keyboardWidth: CGFloat {
return UIScreen.main.bounds.width
}
var keyboardSize: CGSize {
return CGSize(width: keyboardWidth, height: keyboardHeight)
}
// Keyman interaction
private func resizeKeyboard() {
let newSize = keyboardSize
if didResizeToOrientation && Util.isSystemKeyboard && lastKeyboardSize == newSize {
didResizeToOrientation = false
return
}
lastKeyboardSize = newSize
keymanWeb.frame = CGRect(origin: .zero, size: newSize)
// Workaround for WKWebView bug with landscape orientation
// TODO: Check if still necessary and if there's a better solution
if Util.isSystemKeyboard {
perform(#selector(self.resizeDelay), with: self, afterDelay: 1.0)
}
var oskHeight = Int(newSize.height)
oskHeight -= oskHeight % (Util.isSystemKeyboard ? 10 : 20)
keymanWeb.setOskWidth(Int(newSize.width))
keymanWeb.setOskHeight(oskHeight)
}
private var keymanScrollView: UIScrollView {
return keymanWeb.webView.scrollView
}
@objc func clearSubKeyArrays() {
if subKeysView == nil {
subKeys.removeAll()
subKeyIDs.removeAll()
subKeyTexts.removeAll()
}
}
@objc func dismissHelpBubble() {
if let view = helpBubbleView {
view.removeFromSuperview()
helpBubbleView = nil
}
}
@objc func dismissKeyPreview() {
if let view = keyPreviewView {
view.removeFromSuperview()
keyPreviewView = nil
}
}
var isSubKeysMenuVisible: Bool {
return subKeysView != nil
}
private func dismissSubKeys() {
if let subKeysView = subKeysView {
subKeysView.removeFromSuperview()
subKeysView.subviews.forEach { $0.removeFromSuperview() }
self.subKeysView = nil
keymanWeb.setPopupVisible(false)
}
subKeys.removeAll()
subKeyIDs.removeAll()
subKeyTexts.removeAll()
}
/// Displays a list of available keyboards and allows a user to add/download new keyboards
/// or remove existing ones.
///
/// - Parameters:
/// - in: The current UIViewController (recommended) or the navigation controller
/// - shouldAddKeyboard: Whether to immediately open the view to add a new keyboard
/// - SeeAlso:
/// TextView/TextField to enable/disable the keyboard picker
public func showKeyboardPicker(in viewController: UIViewController, shouldAddKeyboard: Bool) {
let vc = KeyboardPickerViewController()
let nc = UINavigationController(rootViewController: vc)
nc.modalTransitionStyle = .coverVertical
nc.modalPresentationStyle = .pageSheet
viewController.present(nc, animated: true) {() -> Void in
if shouldAddKeyboard {
vc.showAddKeyboard()
} else {
let userData = Storage.active.userDefaults
userData.set(true, forKey: Key.keyboardPickerDisplayed)
userData.synchronize()
self.isKeymanHelpOn = false
}
}
}
public func dismissKeyboardPicker(_ viewController: UIViewController) {
viewController.dismiss(animated: true)
if shouldReloadKeyboard {
reloadKeyboard(in: keymanWeb)
}
NotificationCenter.default.post(name: Notifications.keyboardPickerDismissed, object: self, value: ())
}
private func reloadKeyboard(in keymanWeb: KeymanWebViewController) {
if #available(iOS 9.0, *) {
keymanWeb.webView.loadFileURL(Storage.active.kmwURL, allowingReadAccessTo: Storage.active.baseDir)
} else {
// WKWebView in iOS < 9 is missing loadFileURL().
let request = URLRequest(url: Storage.active.kmwURL,
cachePolicy: .reloadIgnoringCacheData,
timeoutInterval: 60.0)
keymanWeb.webView.load(request)
}
}
@objc func resetKeyboard() {
let keyboard = currentKeyboard
currentKeyboardID = nil
if let keyboard = keyboard {
setKeyboard(keyboard)
} else if let keyboard = Storage.active.userDefaults.userKeyboards?[safe: 0] {
setKeyboard(keyboard)
} else {
setKeyboard(Defaults.keyboard)
}
}
@objc func showHelpBubble() {
// Help bubble is always disabled for system-wide keyboard
if Util.isSystemKeyboard || keyboardMenuView != nil {
return
}
keymanWeb.languageMenuPosition { keyFrame in
self.showHelpBubble(for: keyFrame)
}
}
// TODO: The bulk of this should be moved to PopoverView
func showHelpBubble(for keyFrame: CGRect) {
self.helpBubbleView?.removeFromSuperview()
let helpBubbleView = PopoverView(frame: CGRect.zero)
self.helpBubbleView = helpBubbleView
helpBubbleView.backgroundColor = UIColor(red: 253.0 / 255.0, green: 244.0 / 255.0,
blue: 196.0 / 255.0, alpha: 1.0)
helpBubbleView.backgroundColor2 = UIColor(red: 233.0 / 255.0, green: 224.0 / 255.0,
blue: 176.0 / 255.0, alpha: 1.0)
helpBubbleView.borderColor = UIColor(red: 0.5, green: 0.25, blue: 0.25, alpha: 1.0)
let isPad = UIDevice.current.userInterfaceIdiom == .pad
let sizeMultiplier = CGFloat(isPad ? 1.5 : 1.0)
let popupWidth = 90.0 * sizeMultiplier
let popupHeight = 40.0 * sizeMultiplier + helpBubbleView.arrowHeight
let fontSize = 10.0 * sizeMultiplier
let inputViewFrame = keymanWeb.view.frame
let screenWidth = inputViewFrame.size.width
let x = CGFloat.maximum(0, CGFloat.minimum(screenWidth - popupWidth, keyFrame.midX - popupWidth / 2))
let adjY = CGFloat(3.0) // Tweak the positioning of the popup
let y = keyFrame.minY - popupHeight + adjY
helpBubbleView.frame = CGRect(x: x, y: y, width: popupWidth, height: popupHeight)
helpBubbleView.arrowPosX = keyFrame.midX - x
let helpText = UILabel(frame: CGRect(x: 5,
y: 0,
width: popupWidth - 10,
height: popupHeight - helpBubbleView.arrowHeight))
helpText.backgroundColor = UIColor.clear
helpText.font = helpText.font.withSize(fontSize)
helpText.textAlignment = .center
helpText.textColor = UIColor.darkText
helpText.lineBreakMode = .byWordWrapping
helpText.numberOfLines = 0
helpText.text = keyboardChangeHelpText
helpBubbleView.addSubview(helpText)
keymanWeb.view.addSubview(helpBubbleView)
}
@objc func resizeDelay() {
// + 1000 to work around iOS bug with resizing on landscape orientation. Technically we only
// need this for landscape but it doesn't hurt to do it with both. 1000 is a big number that
// should hopefully work on all devices.
let kbWidth = keyboardWidth
let kbHeight = keyboardHeight
keymanWeb.frame = CGRect(x: 0.0, y: 0.0, width: kbWidth, height: kbHeight + 1000)
}
func resizeKeyboardIfNeeded() {
// TODO: Check if necessary since resizeKeyboard() checks old size
let newSize = keyboardSize
if newSize != lastKeyboardSize {
resizeKeyboard()
lastKeyboardSize = newSize
}
}
func resizeKeyboard(with orientation: UIInterfaceOrientation) {
// TODO: Update to use new size instead of orientation since viewWillRotate() is deprecated
// TODO: Refactor to use resizeKeyboard()
let kbWidth = keyboardWidth
let kbHeight = keyboardHeight(with: orientation)
keymanWeb.frame = CGRect(x: 0.0, y: 0.0, width: kbWidth, height: kbHeight)
var oskHeight = Int(kbHeight)
oskHeight -= oskHeight % (Util.isSystemKeyboard ? 10 : 20)
keymanWeb.setOskWidth(Int(kbWidth))
keymanWeb.setOskHeight(oskHeight)
}
// MARK: - Text
// TODO: Switch from NSRange
func setSelectionRange(_ range: NSRange, manually: Bool) {
if range.location != NSNotFound {
keymanWeb.setCursorRange(range)
}
}
func clearText() {
setText(nil)
setSelectionRange(NSRange(location: 0, length: 0), manually: true)
log.info("Cleared text.")
}
func setText(_ text: String?) {
keymanWeb.setText(text)
}
// MARK: - Keyboard Notifications
@objc func keyboardWillShow(_ notification: Notification) {
dismissSubKeys()
dismissKeyPreview()
resizeKeyboard()
if isKeymanHelpOn {
helpBubbleView?.removeFromSuperview()
let showHelpBubble = #selector(self.showHelpBubble as () -> Void)
NSObject.cancelPreviousPerformRequests(withTarget: self, selector: showHelpBubble, object: nil)
perform(showHelpBubble, with: nil, afterDelay: 1.5)
}
}
@objc func keyboardWillHide(_ notification: Notification) {
dismissHelpBubble()
dismissSubKeys()
dismissKeyPreview()
}
// MARK: - KeymanWebViewDelegate methods
func keyboardLoaded(_ keymanWeb: KeymanWebViewController) {
keymanWebDelegate?.keyboardLoaded(keymanWeb)
log.info("Loaded keyboard.")
resizeKeyboard()
keymanWeb.setDeviceType(UIDevice.current.userInterfaceIdiom)
var newKb = Defaults.keyboard
if currentKeyboardID == nil && !shouldReloadKeyboard {
let userData = Util.isSystemKeyboard ? UserDefaults.standard : Storage.active.userDefaults
if let id = userData.currentKeyboardID {
if let kb = Storage.active.userDefaults.userKeyboard(withFullID: id) {
newKb = kb
}
} else if let userKbs = Storage.active.userDefaults.userKeyboards, !userKbs.isEmpty {
newKb = userKbs[0]
}
setKeyboard(newKb)
}
NotificationCenter.default.post(name: Notifications.keyboardLoaded, object: self, value: newKb)
if shouldReloadKeyboard {
NSObject.cancelPreviousPerformRequests(withTarget: self, selector: #selector(self.resetKeyboard), object: nil)
perform(#selector(self.resetKeyboard), with: nil, afterDelay: 0.25)
shouldReloadKeyboard = false
}
}
func insertText(_ keymanWeb: KeymanWebViewController, numCharsToDelete: Int, newText: String) {
keymanWebDelegate?.insertText(keymanWeb, numCharsToDelete: numCharsToDelete, newText: newText)
dismissHelpBubble()
isKeymanHelpOn = false
}
func showKeyPreview(_ keymanWeb: KeymanWebViewController, keyFrame: CGRect, preview: String) {
keymanWebDelegate?.showKeyPreview(keymanWeb, keyFrame: keyFrame, preview: preview)
if UIDevice.current.userInterfaceIdiom == .pad
|| (Util.isSystemKeyboard && !isSystemKeyboardTopBarEnabled)
|| subKeysView != nil {
return
}
dismissKeyPreview()
clearSubKeyArrays()
keyPreviewView = KeyPreviewView(frame: keyFrame)
keyPreviewView!.setLabelText(preview)
var oskFontName = oskFontNameForKeyboard(withFullID: currentKeyboardID!)
oskFontName = oskFontName ?? fontNameForKeyboard(withFullID: currentKeyboardID!)
keyPreviewView!.setLabelFont(oskFontName)
keymanWeb.view.addSubview(keyPreviewView!)
}
func dismissKeyPreview(_ keymanWeb: KeymanWebViewController) {
keymanWebDelegate?.dismissKeyPreview(keymanWeb)
if UIDevice.current.userInterfaceIdiom == .pad || keyPreviewView == nil {
return
}
let dismissKeyPreview = #selector(self.dismissKeyPreview as () -> Void)
NSObject.cancelPreviousPerformRequests(withTarget: self, selector: dismissKeyPreview, object: nil)
perform(dismissKeyPreview, with: nil, afterDelay: 0.1)
clearSubKeyArrays()
}
func showSubkeys(_ keymanWeb: KeymanWebViewController,
keyFrame: CGRect,
subkeyIDs: [String],
subkeyTexts: [String],
useSpecialFont: Bool) {
keymanWebDelegate?.showSubkeys(keymanWeb,
keyFrame: keyFrame,
subkeyIDs: subkeyIDs,
subkeyTexts: subkeyTexts,
useSpecialFont: useSpecialFont)
dismissHelpBubble()
isKeymanHelpOn = false
dismissSubKeys()
dismissKeyboardMenu()
self.keyFrame = keyFrame
subKeyIDs = subkeyIDs
subKeyTexts = subkeyTexts
useSpecialFontForSubkeys = useSpecialFont
}
func menuKeyDown(_ keymanWeb: KeymanWebViewController) {
keymanWebDelegate?.menuKeyDown(keymanWeb)
}
func menuKeyUp(_ keymanWeb: KeymanWebViewController) {
keymanWebDelegate?.menuKeyUp(keymanWeb)
dismissHelpBubble()
isKeymanHelpOn = false
if Util.isSystemKeyboard {
let userData = UserDefaults.standard
userData.set(true, forKey: Key.keyboardPickerDisplayed)
userData.synchronize()
}
}
func hideKeyboard(_ keymanWeb: KeymanWebViewController) {
keymanWebDelegate?.hideKeyboard(keymanWeb)
dismissHelpBubble()
dismissSubKeys()
dismissKeyboardMenu()
}
// MARK: - UIGestureRecognizer
public func gestureRecognizer(_ gestureRecognizer: UIGestureRecognizer,
shouldRecognizeSimultaneouslyWith otherGestureRecognizer: UIGestureRecognizer) -> Bool {
return true
}
// UILongPressGestureRecognizer implementation to show sub keys in a subview
@objc func holdAction(_ sender: UILongPressGestureRecognizer) {
switch sender.state {
case .ended:
// Touch Ended
if let subKeysView = subKeysView {
subKeysView.removeFromSuperview()
subKeysView.subviews.forEach { $0.removeFromSuperview() }
self.subKeysView = nil
keymanWeb.setPopupVisible(false)
}
var buttonClicked = false
for button in subKeys where button.isHighlighted {
button.isHighlighted = false
button.backgroundColor = subKeyColor
button.isEnabled = false
button.sendActions(for: .touchUpInside)
buttonClicked = true
break
}
if !buttonClicked {
clearSubKeyArrays()
}
case .began:
// Touch & Hold Began
let touchPoint = sender.location(in: sender.view)
// Check if touch was for language menu button
keymanWeb.languageMenuPosition { keyFrame in
self.menuKeyFrame = keyFrame
if keyFrame.contains(touchPoint) {
self.keymanWebDelegate?.menuKeyHeld(self.keymanWeb)
return
}
self.touchHoldBegan()
}
default:
// Hold & Move
guard let subKeysView = subKeysView else {
return
}
let touchPoint = sender.location(in: subKeysView.containerView)
for button in subKeys {
if button.frame.contains(touchPoint) {
button.isEnabled = true
button.isHighlighted = true
button.backgroundColor = subKeyColorHighlighted
} else {
button.isHighlighted = false
button.isEnabled = false
button.backgroundColor = subKeyColor
}
}
}
}
private func touchHoldBegan() {
let isPad = UIDevice.current.userInterfaceIdiom == .pad
let fontSize = isPad ? UIFont.buttonFontSize * 2 : UIFont.buttonFontSize
var oskFontName = oskFontNameForKeyboard(withFullID: currentKeyboardID!)
if oskFontName == nil {
oskFontName = fontNameForKeyboard(withFullID: currentKeyboardID!)
}
if subKeyIDs.isEmpty {
subKeys = []
return
}
subKeys = subKeyTexts.enumerated().map { i, subKeyText in
let button = UIButton(type: .custom)
button.tag = i
button.backgroundColor = subKeyColor
button.setRoundedBorder(withRadius: 4.0, borderWidth: 1.0, color: .gray)
button.setTitleColor(.black, for: .disabled)
button.setTitleColor(.black, for: .highlighted)
if let oskFontName = oskFontName {
button.titleLabel?.font = UIFont(name: oskFontName, size: fontSize)
} else {
button.titleLabel?.font = UIFont.systemFont(ofSize: fontSize)
}
if useSpecialFontForSubkeys {
if FontManager.shared.registerFont(at: Storage.active.specialOSKFontURL),
let fontName = FontManager.shared.fontName(at: Storage.active.specialOSKFontURL) {
button.titleLabel?.font = UIFont(name: fontName, size: fontSize)
}
button.setTitleColor(.gray, for: .disabled)
}
button.addTarget(self, action: #selector(subKeyButtonClick), for: .touchUpInside)
button.setTitle(subKeyText, for: .normal)
button.tintColor = UIColor(red: 181.0 / 255.0, green: 181.0 / 255.0, blue: 181.0 / 255.0, alpha: 1.0)
button.isEnabled = false
return button
}
dismissKeyPreview()
subKeysView = SubKeysView(keyFrame: keyFrame, subKeys: subKeys)
keymanWeb.view.addSubview(subKeysView!)
keymanWeb.setPopupVisible(true)
}
@objc func subKeyButtonClick(_ sender: UIButton) {
let keyIndex = sender.tag
if keyIndex < subKeyIDs.count && keyIndex < subKeyTexts.count {
let subKeyID = subKeyIDs[keyIndex]
let subKeyText = subKeyTexts[keyIndex]
keymanWeb.executePopupKey(id: subKeyID, text: subKeyText)
}
subKeys.removeAll()
subKeyIDs.removeAll()
subKeyTexts.removeAll()
}
// MARK: - InputViewController methods
// TODO: Manager should not have InputViewController methods. Move this into InputViewController.
func updateViewConstraints() {
dismissSubKeys()
dismissKeyPreview()
dismissKeyboardMenu()
resizeKeyboardIfNeeded()
}
func inputViewDidLoad() {
dismissSubKeys()
dismissKeyPreview()
dismissKeyboardMenu()
resizeKeyboard()
let activeUserDef = Storage.active.userDefaults
let standardUserDef = UserDefaults.standard
let activeDate = (activeUserDef.object(forKey: Key.synchronizeSWKeyboard) as? [Date])?[safe: 0]
let standardDate = (standardUserDef.object(forKey: Key.synchronizeSWKeyboard) as? [Date])?[safe: 0]
let shouldSynchronize: Bool
if let standardDate = standardDate,
let activeDate = activeDate {
shouldSynchronize = standardDate != activeDate
} else if activeDate == nil {
shouldSynchronize = false
} else {
shouldSynchronize = true
}
if (!didSynchronize || shouldSynchronize) && Storage.shared != nil {
synchronizeSWKeyboard()
if currentKeyboardID != nil {
shouldReloadKeyboard = true
reloadKeyboard(in: keymanWeb)
}
didSynchronize = true
standardUserDef.set(activeUserDef.object(forKey: Key.synchronizeSWKeyboard),
forKey: Key.synchronizeSWKeyboard)
standardUserDef.synchronize()
}
}
// FIXME: This is deprecated. Use inputViewWillTransition()
func inputViewWillRotate(to toInterfaceOrientation: UIInterfaceOrientation, duration: TimeInterval) {
dismissSubKeys()
dismissKeyPreview()
dismissKeyboardMenu()
resizeKeyboard(with: toInterfaceOrientation)
if isKeymanHelpOn {
helpBubbleView?.removeFromSuperview()
let showHelpBubble = #selector(self.showHelpBubble as () -> Void)
NSObject.cancelPreviousPerformRequests(withTarget: self, selector: showHelpBubble, object: nil)
perform(showHelpBubble, with: nil, afterDelay: 1.5)
}
didResizeToOrientation = true
}
func showKeyboardMenu(_ ic: InputViewController, closeButtonTitle: String?) {
let parentView = ic.view ?? keymanWeb.view
keymanWeb.languageMenuPosition { keyFrame in
self.menuKeyFrame = keyFrame
if keyFrame != .zero {
self.keyboardMenuView?.removeFromSuperview()
self.keyboardMenuView = KeyboardMenuView(keyFrame: self.menuKeyFrame, inputViewController: ic,
closeButtonTitle: closeButtonTitle)
parentView?.addSubview(self.keyboardMenuView!)
}
}
}
func dismissKeyboardMenu() {
if let keyboardMenuView = keyboardMenuView {
keyboardMenuView.removeFromSuperview()
self.keyboardMenuView = nil
}
}
var isKeyboardMenuVisible: Bool {
return keyboardMenuView != nil
}
var isSystemKeyboardTopBarEnabled: Bool {
return true
}
}