Files
GIFCollector/GIFCollectorIM/MessagesViewController.swift
2025-06-04 13:57:32 -04:00

121 lines
4.7 KiB
Swift

//
// MessagesViewController.swift
// GIFCollector MessagesExtension
//
// Created by Joshua Higgins on 6/2/25.
//
import Messages
import UIKit
class MessagesViewController: MSMessagesAppViewController {
private var gifCollectionVC: GIFCollectionViewController?
override func viewDidLoad() {
super.viewDidLoad()
setupChildViewController()
// Register for notifications when app becomes active
NotificationCenter.default.addObserver(self,
selector: #selector(appDidBecomeActive),
name: UIApplication.didBecomeActiveNotification,
object: nil)
}
private func setupChildViewController() {
let collectionVC = GIFCollectionViewController()
collectionVC.onSelectGIF = { [weak self] gif in
self?.sendGIF(gif)
}
addChild(collectionVC)
collectionVC.view.frame = view.bounds
collectionVC.view.autoresizingMask = [.flexibleWidth, .flexibleHeight]
view.addSubview(collectionVC.view)
collectionVC.didMove(toParent: self)
gifCollectionVC = collectionVC
}
private func sendGIF(_ gif: GIF) {
guard let conversation = activeConversation else { return }
// Show a loading indicator
let loadingAlert = UIAlertController(title: "Preparing GIF", message: "Please wait...", preferredStyle: .alert)
present(loadingAlert, animated: true)
// Load the GIF data from local storage
DispatchQueue.global(qos: .userInitiated).async {
let gifData = GIFStorageService.shared.getGIFData(for: gif)
DispatchQueue.main.async {
// Dismiss the loading indicator
self.dismiss(animated: true) {
guard let gifData = gifData else {
self.showErrorAlert(message: "Failed to load GIF from storage")
return
}
// Create a temporary file URL for the GIF
let tempDirectoryURL = URL(fileURLWithPath: NSTemporaryDirectory(), isDirectory: true)
let tempFileURL = tempDirectoryURL.appendingPathComponent(UUID().uuidString).appendingPathExtension("gif")
do {
// Write GIF data to temporary file
try gifData.write(to: tempFileURL)
// Insert the GIF directly as a standard attachment into the message field
conversation.insertAttachment(tempFileURL, withAlternateFilename: "animated.gif") { error in
if let error = error {
self.showErrorAlert(error: error)
} else {
// Successfully inserted the attachment
self.requestPresentationStyle(.compact)
}
}
} catch {
self.showErrorAlert(error: error)
}
}
}
}
}
private func showErrorAlert(error: Error? = nil, message: String? = nil) {
let errorMessage = message ?? error?.localizedDescription ?? "An unknown error occurred"
let alertController = UIAlertController(
title: "Error", message: errorMessage, preferredStyle: .alert)
alertController.addAction(UIAlertAction(title: "OK", style: .default))
present(alertController, animated: true)
}
// MARK: - Conversation Handling
override func willBecomeActive(with conversation: MSConversation) {
// Called when the extension is about to move from the inactive to active state.
// This will happen when the extension is about to present UI.
// Check for GIFs shared from the Share Extension
GIFStorageService.shared.checkForSharedGIFs()
// Refresh GIFs list when becoming active
gifCollectionVC?.viewWillAppear(true)
}
override func didResignActive(with conversation: MSConversation) {
// No action needed when the extension becomes inactive
}
@objc private func appDidBecomeActive() {
// Check for GIFs shared through the Share Extension
GIFStorageService.shared.checkForSharedGIFs()
gifCollectionVC?.loadGIFs()
}
override func didReceive(_ message: MSMessage, conversation: MSConversation) {}
override func didStartSending(_ message: MSMessage, conversation: MSConversation) {}
override func didCancelSending(_ message: MSMessage, conversation: MSConversation) {}
override func willTransition(to presentationStyle: MSMessagesAppPresentationStyle) {}
override func didTransition(to presentationStyle: MSMessagesAppPresentationStyle) {}
}