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Add gradient backgrounds in passcode entry screen

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This commit is contained in:
Ilya Laktyushin
2021-07-07 02:31:12 +03:00
parent ad98e74477
commit 4fcb54c687
11 changed files with 200 additions and 87 deletions
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31
submodules/PasscodeUI/Sources/PasscodeInputFieldNode.swift
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@@ -24,20 +24,23 @@ private func generateDotImage(color: UIColor, filled: Bool) -> UIImage? {
})
}
private func generateFieldBackgroundImage(backgroundImage: UIImage, backgroundSize: CGSize, frame: CGRect) -> UIImage? {
private func generateFieldBackgroundImage(backgroundImage: UIImage?, backgroundSize: CGSize?, frame: CGRect) -> UIImage? {
return generateImage(frame.size, contextGenerator: { size, context in
let bounds = CGRect(origin: CGPoint(), size: size)
context.clear(bounds)
let relativeFrame = CGRect(x: -frame.minX, y: frame.minY - backgroundSize.height + frame.size.height
, width: backgroundSize.width, height: backgroundSize.height)
let path = UIBezierPath(roundedRect: CGRect(x: 0.0, y: 0.0, width: size.width, height: size.height), cornerRadius: 6.0)
context.addPath(path.cgPath)
context.clip()
context.draw(backgroundImage.cgImage!, in: relativeFrame)
if let backgroundImage = backgroundImage, let backgroundSize = backgroundSize {
let relativeFrame = CGRect(x: -frame.minX, y: frame.minY - backgroundSize.height + frame.size.height
, width: backgroundSize.width, height: backgroundSize.height)
context.draw(backgroundImage.cgImage!, in: relativeFrame)
} else {
context.setFillColor(UIColor(rgb: 0xffffff, alpha: 1.0).cgColor)
context.fill(bounds)
}
context.setBlendMode(.clear)
context.setFillColor(UIColor.clear.cgColor)
@@ -129,7 +132,7 @@ private class PasscodeEntryDotNode: ASImageNode {
}
public final class PasscodeInputFieldNode: ASDisplayNode, UITextFieldDelegate {
private var background: (UIImage, CGSize)?
private var background: PasscodeBackground?
private var color: UIColor
private var accentColor: UIColor
private var fieldType: PasscodeEntryFieldType
@@ -207,8 +210,8 @@ public final class PasscodeInputFieldNode: ASDisplayNode, UITextFieldDelegate {
}
}
func updateBackground(_ image: UIImage, size: CGSize) {
self.background = (image, size)
func updateBackground(_ background: PasscodeBackground) {
self.background = background
if let (size, topOffset) = self.validLayout {
let _ = self.updateLayout(size: size, topOffset: topOffset, transition: .immediate)
}
@@ -276,14 +279,15 @@ public final class PasscodeInputFieldNode: ASDisplayNode, UITextFieldDelegate {
}
}
func delete() {
func delete() -> Bool {
var text = self.textFieldNode.textField.text ?? ""
guard !text.isEmpty else {
return
return false
}
text = String(text[text.startIndex ..< text.index(text.endIndex, offsetBy: -1)])
self.textFieldNode.textField.text = text
self.updateDots(count: text.count, animated: true)
return true
}
func updateDots(count: Int, animated: Bool) {
@@ -346,9 +350,8 @@ public final class PasscodeInputFieldNode: ASDisplayNode, UITextFieldDelegate {
let fieldFrame = CGRect(x: inset, y: origin.y, width: size.width - inset * 2.0, height: fieldHeight)
transition.updateFrame(node: self.borderNode, frame: fieldFrame)
transition.updateFrame(node: self.textFieldNode, frame: fieldFrame.insetBy(dx: 13.0, dy: 0.0))
if let (backgroundImage, backgroundSize) = self.background {
self.borderNode.image = generateFieldBackgroundImage(backgroundImage: backgroundImage, backgroundSize: backgroundSize, frame: fieldFrame)
}
self.borderNode.image = generateFieldBackgroundImage(backgroundImage: self.background?.foregroundImage, backgroundSize: self.background?.size, frame: fieldFrame)
return fieldFrame
}