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Add QRCode view

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Changelog-Added: Add QRCode view for sharing your pubkey
Closes: #418
This commit is contained in:
ericholguin
2023-01-27 23:30:57 -07:00
committed by William Casarin
parent 552bd9cae5
commit e4beb872a5
3 changed files with 122 additions and 11 deletions
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4
damus.xcodeproj/project.pbxproj
View File

@@ -172,6 +172,7 @@
4CF0ABEE29844B5500D66079 /* AnyEncodable.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4CF0ABED29844B5500D66079 /* AnyEncodable.swift */; };
4CF0ABF029857E9200D66079 /* Bech32Object.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4CF0ABEF29857E9200D66079 /* Bech32Object.swift */; };
4FE60CDD295E1C5E00105A1F /* Wallet.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4FE60CDC295E1C5E00105A1F /* Wallet.swift */; };
5C513FCC2984ACA60072348F /* QRCodeView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5C513FCB2984ACA60072348F /* QRCodeView.swift */; };
6439E014296790CF0020672B /* ProfileZoomView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6439E013296790CF0020672B /* ProfileZoomView.swift */; };
647D9A8D2968520300A295DE /* SideMenuView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 647D9A8C2968520300A295DE /* SideMenuView.swift */; };
64FBD06F296255C400D9D3B2 /* Theme.swift in Sources */ = {isa = PBXBuildFile; fileRef = 64FBD06E296255C400D9D3B2 /* Theme.swift */; };
@@ -427,6 +428,7 @@
4CF0ABED29844B5500D66079 /* AnyEncodable.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AnyEncodable.swift; sourceTree = "<group>"; };
4CF0ABEF29857E9200D66079 /* Bech32Object.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Bech32Object.swift; sourceTree = "<group>"; };
4FE60CDC295E1C5E00105A1F /* Wallet.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Wallet.swift; sourceTree = "<group>"; };
5C513FCB2984ACA60072348F /* QRCodeView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = QRCodeView.swift; sourceTree = "<group>"; };
6439E013296790CF0020672B /* ProfileZoomView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ProfileZoomView.swift; sourceTree = "<group>"; };
647D9A8C2968520300A295DE /* SideMenuView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SideMenuView.swift; sourceTree = "<group>"; };
64FBD06E296255C400D9D3B2 /* Theme.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Theme.swift; sourceTree = "<group>"; };
@@ -642,6 +644,7 @@
4CF0ABD529817F5B00D66079 /* ReportView.swift */,
4CF0ABE42981EE0C00D66079 /* EULAView.swift */,
3AA247FE297E3D900090C62D /* RepostsView.swift */,
5C513FCB2984ACA60072348F /* QRCodeView.swift */,
);
path = Views;
sourceTree = "<group>";
@@ -1111,6 +1114,7 @@
4CF0ABE52981EE0C00D66079 /* EULAView.swift in Sources */,
4CBCA930297DB57F00EC6B2F /* WebsiteLink.swift in Sources */,
4C3EA64128FF553900C48A62 /* hash_u5.c in Sources */,
5C513FCC2984ACA60072348F /* QRCodeView.swift in Sources */,
4C3EA64F28FF59F200C48A62 /* tal.c in Sources */,
4CB88393296F798300DC99E7 /* ReactionsModel.swift in Sources */,
4CB88396296F7F8B00DC99E7 /* ReactionView.swift in Sources */,

90
damus/Views/QRCodeView.swift Normal file
View File

@@ -0,0 +1,90 @@
//
// QRCodeView.swift
// damus
//
// Created by eric on 1/27/23.
//
import SwiftUI
import CoreImage.CIFilterBuiltins
struct QRCodeView: View {
let damus_state: DamusState
@Environment(\.dismiss) var dismiss
@Environment(\.presentationMode) var presentationMode
var maybe_key: String? {
guard let key = bech32_pubkey(damus_state.pubkey) else {
return nil
}
return key
}
var body: some View {
ZStack(alignment: .topLeading) {
DamusGradient()
Button {
presentationMode.wrappedValue.dismiss()
} label: {
Image(systemName: "xmark")
.foregroundColor(.white)
.font(.subheadline)
.padding(.leading, 20)
}
.zIndex(1)
VStack(alignment: .center) {
Spacer()
if let key = maybe_key {
Image(uiImage: generateQRCode(pubkey: "nostr:" + key))
.interpolation(.none)
.resizable()
.scaledToFit()
.frame(width: 200, height: 200)
.padding()
Text(key)
.font(.headline)
.foregroundColor(Color(.white))
.padding()
}
Spacer()
}
}
.modifier(SwipeToDismissModifier(minDistance: nil, onDismiss: {
presentationMode.wrappedValue.dismiss()
}))
}
func generateQRCode(pubkey: String) -> UIImage {
let data = pubkey.data(using: String.Encoding.ascii)
let qrFilter = CIFilter(name: "CIQRCodeGenerator")
qrFilter?.setValue(data, forKey: "inputMessage")
let qrImage = qrFilter?.outputImage
let colorInvertFilter = CIFilter(name: "CIColorInvert")
colorInvertFilter?.setValue(qrImage, forKey: "inputImage")
let outputInvertedImage = colorInvertFilter?.outputImage
let maskToAlphaFilter = CIFilter(name: "CIMaskToAlpha")
maskToAlphaFilter?.setValue(outputInvertedImage, forKey: "inputImage")
let outputCIImage = maskToAlphaFilter?.outputImage
let context = CIContext()
let cgImage = context.createCGImage(outputCIImage!, from: outputCIImage!.extent)!
return UIImage(cgImage: cgImage)
}
}
struct QRCodeView_Previews: PreviewProvider {
static var previews: some View {
QRCodeView(damus_state: test_damus_state())
}
}

39
damus/Views/SideMenuView.swift
View File

@@ -14,6 +14,8 @@ struct SideMenuView: View {
@State var confirm_logout: Bool = false
@StateObject var user_settings = UserSettingsStore()
@State private var showQRCode = false
@Environment(\.colorScheme) var colorScheme
var sideBarWidth = min(UIScreen.main.bounds.size.width * 0.65, 400.0)
@@ -124,18 +126,33 @@ struct SideMenuView: View {
Spacer()
Button(action: {
//ConfigView(state: damus_state)
if damus_state.keypair.privkey == nil {
notify(.logout, ())
} else {
confirm_logout = true
HStack(alignment: .center) {
Button(action: {
//ConfigView(state: damus_state)
if damus_state.keypair.privkey == nil {
notify(.logout, ())
} else {
confirm_logout = true
}
}, label: {
Label(NSLocalizedString("Sign out", comment: "Sidebar menu label to sign out of the account."), systemImage: "pip.exit")
.font(.title3)
.foregroundColor(textColor())
})
Spacer()
Button(action: {
showQRCode.toggle()
}, label: {
Label(NSLocalizedString("", comment: "Sidebar menu label for accessing QRCode view"), systemImage: "qrcode")
.font(.title)
.foregroundColor(textColor())
.padding(.trailing, 20)
}).fullScreenCover(isPresented: $showQRCode) {
QRCodeView(damus_state: damus_state)
}
}, label: {
Label(NSLocalizedString("Sign out", comment: "Sidebar menu label to sign out of the account."), systemImage: "pip.exit")
.font(.title3)
.foregroundColor(textColor())
})
}
}
.padding(.top, 60)
.padding(.bottom, 40)