d803bfe2b1
git-subtree-dir: vendor/ruvector git-subtree-split: b64c21726f2bb37286d9ee36a7869fef60cc6900
74 lines
2.4 KiB
Swift
74 lines
2.4 KiB
Swift
// AppClipApp.swift — Entry point for the RVF App Clip.
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//
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// This is a minimal SwiftUI App Clip that scans QR cognitive seeds
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// and decodes them using the RVF C FFI. Designed to stay under the
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// 15 MB App Clip size limit per Apple guidelines.
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//
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// App Clip invocation URL scheme:
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// https://rvf.example.com/seed?id=<file_id>
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//
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// The App Clip can be invoked by:
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// 1. Scanning an RVQS QR code directly (camera flow)
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// 2. Tapping an App Clip Code / NFC tag
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// 3. Opening a Smart App Banner link
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import SwiftUI
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@main
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struct AppClipApp: App {
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@StateObject private var appState = AppClipState()
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var body: some Scene {
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WindowGroup {
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AppClipView()
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.onContinueUserActivity(
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NSUserActivityTypeBrowsingWeb,
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perform: handleUserActivity
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)
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.environmentObject(appState)
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}
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}
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/// Handle App Clip invocation via URL.
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///
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/// When the App Clip is launched from a Smart App Banner or App Clip Code,
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/// iOS delivers the invocation URL as a user activity. We extract the
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/// seed identifier and trigger a download + decode flow.
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private func handleUserActivity(_ activity: NSUserActivity) {
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guard let url = activity.webpageURL else { return }
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appState.handleInvocationURL(url)
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}
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}
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// MARK: - AppClipState
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/// Shared state for App Clip lifecycle and invocation handling.
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@MainActor
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final class AppClipState: ObservableObject {
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/// The invocation URL that launched this App Clip (if any).
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@Published var invocationURL: URL?
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/// Handle an App Clip invocation URL.
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///
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/// Extracts the seed ID from the URL query parameters and could
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/// trigger a network fetch for the seed payload.
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func handleInvocationURL(_ url: URL) {
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invocationURL = url
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// Extract seed ID from query parameters.
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// Example: https://rvf.example.com/seed?id=0102030405060708
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guard let components = URLComponents(url: url, resolvingAgainstBaseURL: false),
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let seedIDParam = components.queryItems?.first(where: { $0.name == "id" }),
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let _ = seedIDParam.value
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else {
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return
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}
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// In production:
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// 1. Fetch the seed payload from the CDN using the seed ID.
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// 2. Pass the raw bytes to SeedDecoder.decode(data:).
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// 3. Begin progressive download of the full RVF file.
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}
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}
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