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Fix disappearing reader view button

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This commit is contained in:
Maurice Parker 2019-09-27 17:23:38 -05:00
parent 65356424d9
commit da4715c6d1
1 changed files with 15 additions and 0 deletions
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15
iOS/Article/ArticleViewController.swift
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@ -88,6 +88,7 @@ class ArticleViewController: UIViewController {
NotificationCenter.default.addObserver(self, selector: #selector(statusesDidChange(_:)), name: .StatusesDidChange, object: nil)
NotificationCenter.default.addObserver(self, selector: #selector(progressDidChange(_:)), name: .AccountRefreshProgressDidChange, object: nil)
NotificationCenter.default.addObserver(self, selector: #selector(contentSizeCategoryDidChange(_:)), name: UIContentSizeCategory.didChangeNotification, object: nil)
NotificationCenter.default.addObserver(self, selector: #selector(willEnterForeground(_:)), name: UIApplication.willEnterForegroundNotification, object: nil)
articleExtractorButton.addTarget(self, action: #selector(toggleArticleExtractor(_:)), for: .touchUpInside)
navigationItem.titleView = articleExtractorButton
@ -197,6 +198,20 @@ class ArticleViewController: UIViewController {
reloadHTML()
}
// Don't delete this even though it looks like it isn't doing anything. This is to work
// around a bug (don't know if it is an Apple one or ours) that happens when the root
// split view controller is not collapsed. When the app goes to the background and then
// comes back to the foreground the article extractor button will disappear. The
// navigationItem will still have a reference to the articleExtractorButton, but if you
// check in the view debugger, the button isn't in the view hierarchy anymore.
// Setting the titleView to nil and then back to the articleExtractorButton hides that
// this happened. If we move the articleExtractorButton to someplace other than the
// titleView, then this code can be safely deleted.
@objc func willEnterForeground(_ note: Notification) {
navigationItem.titleView = nil
navigationItem.titleView = articleExtractorButton
}
// MARK: Actions
@IBAction func toggleArticleExtractor(_ sender: Any) {