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Web app improvements

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This commit is contained in:
Ilya Laktyushin 2022-03-26 14:37:39 +04:00
parent e47610f036
commit 1ccbe01cbb
1 changed files with 18 additions and 1 deletions
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19
submodules/WebUI/Sources/WebAppController.swift
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@ -49,7 +49,7 @@ public final class WebAppController: ViewController, AttachmentContainable {
public var updateTabBarAlpha: (CGFloat, ContainedViewLayoutTransition) -> Void = { _, _ in } public var updateTabBarAlpha: (CGFloat, ContainedViewLayoutTransition) -> Void = { _, _ in }
public var cancelPanGesture: () -> Void = { } public var cancelPanGesture: () -> Void = { }
private class Node: ViewControllerTracingNode, UIScrollViewDelegate { private class Node: ViewControllerTracingNode, WKNavigationDelegate, UIScrollViewDelegate {
private weak var controller: WebAppController? private weak var controller: WebAppController?
private var webView: WKWebView? private var webView: WKWebView?
@ -109,8 +109,10 @@ public final class WebAppController: ViewController, AttachmentContainable {
} }
let webView = WKWebView(frame: CGRect(), configuration: configuration) let webView = WKWebView(frame: CGRect(), configuration: configuration)
webView.alpha = 0.0
webView.isOpaque = false webView.isOpaque = false
webView.backgroundColor = .clear webView.backgroundColor = .clear
webView.navigationDelegate = self
if #available(iOSApplicationExtension 9.0, iOS 9.0, *) { if #available(iOSApplicationExtension 9.0, iOS 9.0, *) {
webView.allowsLinkPreview = false webView.allowsLinkPreview = false
@ -169,6 +171,21 @@ public final class WebAppController: ViewController, AttachmentContainable {
} }
} }
private var loadCount = 0
func webView(_ webView: WKWebView, didStartProvisionalNavigation navigation: WKNavigation!) {
self.loadCount += 1
}
func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
self.loadCount -= 1
Queue.mainQueue().after(0.1, {
if self.loadCount == 0, let webView = self.webView {
ContainedViewLayoutTransition.animated(duration: 0.2, curve: .linear).updateAlpha(layer: webView.layer, alpha: 1.0)
}
})
}
func scrollViewDidScroll(_ scrollView: UIScrollView) { func scrollViewDidScroll(_ scrollView: UIScrollView) {
let contentOffset = scrollView.contentOffset.y let contentOffset = scrollView.contentOffset.y
self.controller?.navigationBar?.updateBackgroundAlpha(min(30.0, contentOffset) / 30.0, transition: .immediate) self.controller?.navigationBar?.updateBackgroundAlpha(min(30.0, contentOffset) / 30.0, transition: .immediate)