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Web app improvements

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This commit is contained in:
Ilya Laktyushin 2022-04-08 16:08:33 +04:00
parent 596a3f037f
commit dc9677fafd
2 changed files with 16 additions and 12 deletions
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15
submodules/WebUI/Sources/WebAppController.swift
View File

@ -303,14 +303,15 @@ public final class WebAppController: ViewController, AttachmentContainable {
let viewportFrame = CGRect(origin: CGPoint(x: layout.safeInsets.left, y: navigationBarHeight), size: CGSize(width: layout.size.width - layout.safeInsets.left - layout.safeInsets.right, height: max(1.0, layout.size.height - navigationBarHeight - layout.intrinsicInsets.bottom - layout.additionalInsets.bottom)))
if previousLayout != nil && (previousLayout?.inputHeight ?? 0.0).isZero, let inputHeight = layout.inputHeight, inputHeight > 44.0, transition.isAnimated {
webView.scrollToActiveElement(layout: layout, transition: transition)
webView.scrollToActiveElement(layout: layout, completion: { [weak self] contentOffset in
self?.targetContentOffset = contentOffset
}, transition: transition)
Queue.mainQueue().after(0.4, {
let contentOffset = webView.scrollView.contentOffset
transition.updateFrame(view: webView, frame: frame)
webView.scrollView.contentOffset = contentOffset
self.targetContentOffset = contentOffset
Queue.mainQueue().after(0.1) {
self.targetContentOffset = nil
if let inputHeight = self.validLayout?.0.inputHeight, inputHeight > 44.0 {
transition.updateFrame(view: webView, frame: frame)
Queue.mainQueue().after(0.1) {
self.targetContentOffset = nil
}
}
})
} else {

13
submodules/WebUI/Sources/WebAppWebView.swift
View File

@ -68,6 +68,8 @@ final class WebAppWebView: WKWebView {
super.init(frame: CGRect(), configuration: configuration)
self.disablesInteractiveKeyboardGestureRecognizer = true
self.isOpaque = false
self.backgroundColor = .clear
if #available(iOSApplicationExtension 9.0, iOS 9.0, *) {
@ -130,23 +132,24 @@ final class WebAppWebView: WKWebView {
self.didTouchOnce = true
}
func scrollToActiveElement(layout: ContainerViewLayout, transition: ContainedViewLayoutTransition) {
func scrollToActiveElement(layout: ContainerViewLayout, completion: @escaping (CGPoint) -> Void, transition: ContainedViewLayoutTransition) {
self.evaluateJavaScript(findActiveElementY, completionHandler: { result, _ in
if let result = result as? CGFloat {
Queue.mainQueue().async {
let convertedY = result - self.scrollView.contentOffset.y
let viewportHeight = self.frame.height - (layout.inputHeight ?? 0.0)
if convertedY < 0.0 || convertedY > viewportHeight {
let viewportHeight = self.frame.height - (layout.inputHeight ?? 0.0) + 26.0
if convertedY < 0.0 || (convertedY + 44.0) > viewportHeight {
let targetOffset: CGFloat
if convertedY < 0.0 {
targetOffset = max(0.0, result - 36.0)
} else {
targetOffset = max(0.0, result + 60.0 - viewportHeight)
}
let contentOffset = CGPoint(x: 0.0, y: targetOffset)
completion(contentOffset)
transition.animateView({
self.scrollView.contentOffset = CGPoint(x: 0.0, y: targetOffset)
self.scrollView.contentOffset = contentOffset
})
// transition.updateBounds(layer: self.scrollView.layer, bounds: CGRect(x: 0.0, y: targetOffset, width: self.scrollView.layer.bounds.width, height: self.scrollView.layer.bounds.height))
}
}
}