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3e8ea13604
now that iOS 15 is the minimum version, #available conditions to handle earlier versions of iOS are unnnecessary
106 lines
3.9 KiB
Swift
106 lines
3.9 KiB
Swift
//
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// KeyboardViewController.swift
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// Keyman
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//
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// Created by Gabriel Wong on 2017-09-04.
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// Copyright © 2017 SIL International. All rights reserved.
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//
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import KeymanEngine
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import UIKit
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import Sentry
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import os.log
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class KeyboardViewController: InputViewController {
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var topBarImageSource: ImageBannerViewController!
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// The entrypoint for the app-extension.
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override init(nibName nibNameOrNil: String?, bundle nibBundleOrNil: Bundle?) {
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// Only true if it's the first init of the class under app-extension mode.
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if !SentryManager.hasStarted {
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// Sentry can send errors from app extensions when "Allow Full Access"
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// is enabled. They seem to get blocked otherwise, except in the Simulator.
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SentryManager.start(sendingEnabled: true)
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}
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Manager.applicationGroupIdentifier = "group.KM4I"
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let bundle = Bundle(for: KeyboardViewController.self)
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topBarImageSource = ImageBannerViewController(nibName: "ImageBanner", bundle: bundle)
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super.init(nibName: nibNameOrNil, bundle: nibBundleOrNil)
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}
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required init?(coder aDecoder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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override func updateViewConstraints() {
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super.updateViewConstraints()
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if view.frame.size.width == 0 || self.view.frame.size.height == 0 {
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return
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}
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setupTopBarImage(size: view.frame.size)
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}
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override func viewDidLoad() {
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super.viewDidLoad()
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setupTopBarImage(size: view.frame.size)
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}
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override func viewWillTransition(to size: CGSize, with coordinator: UIViewControllerTransitionCoordinator) {
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super.viewWillTransition(to: size, with: coordinator)
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setupTopBarImage(size: size)
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}
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func getTopBarImage(size: CGSize) -> String? {
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return topBarImageSource.renderAsBase64(size: CGSize(width: size.width, height: InputViewController.topBarHeight))
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}
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func setupTopBarImage(size: CGSize) {
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// We override the height in getTopBarImage, but not width.
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// If width is 0, we return null from that function; this'll
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// trigger the guard below.
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if size.width == 0 {
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return
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}
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let imgPath = getTopBarImage(size: size)
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guard let path = imgPath else {
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let message = "No image specified for the image banner!"
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os_log("%{public}s", log: KeymanLogger.ui, type: .error, message)
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SentryManager.capture(message)
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return
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}
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self.setBannerImage(to: path)
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}
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override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {
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super.traitCollectionDidChange(previousTraitCollection)
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guard let previousTraitCollection = previousTraitCollection else {return}
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if previousTraitCollection.hasDifferentColorAppearance(comparedTo: traitCollection) {
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/* Ensure that the keyboard banner image transitions! Noting that the backing view isn't in the view hierarchy,
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* and that manipulating said hierarchy is key for triggering the appearance change
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* (see https://developer.apple.com/documentation/uikit/uiappearance)...
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*
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* We have to reload the banner's backing view to trigger the change. Thanks, Apple.
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* The only other alternative - creating a new instance of the view & its controller.
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*
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* With loadView, at least we can reuse the old instance, which would serve far better
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* for engine API calls if we decide to let the base InputViewController perform UIView
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* render functionality (as a KMEI offering) instead of having it only in our app.
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* That said, note https://developer.apple.com/documentation/uikit/uiviewcontroller/1621454-loadview:
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*
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* > You should never call this method directly.
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*
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* Well... I wouldn't, if it weren't the only way to trigger this without requiring a new instance.
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* We should be fine since we never place the banner's backing view into the actual hierarchy.
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*/
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topBarImageSource.loadView()
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setupTopBarImage(size: view.frame.size)
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}
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}
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}
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