mirror of https://github.com/oxen-io/session-ios
Merge branch 'mkirk/contact-merging'
Michael Kirk
7 years ago
commit
efa3c81f68
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//
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// Copyright (c) 2018 Open Whisper Systems. All rights reserved.
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//
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import Foundation
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import UIKit
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import ContactsUI
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class AddContactShareToExistingContactViewController: ContactsPicker, ContactsPickerDelegate, CNContactViewControllerDelegate {
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// TODO - there are some hard coded assumptions in this VC that assume we are *pushed* onto a
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// navigation controller. That seems fine for now, but if we need to be presented as a modal,
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// or need to notify our presenter about our dismisall or other contact actions, a delegate
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// would be helpful. It seems like this would require some broad changes to the ContactShareViewHelper,
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// so I've left it as is for now, since it happens to work.
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// weak var addToExistingContactDelegate: AddContactShareToExistingContactViewControllerDelegate?
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let contactShare: ContactShareViewModel
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required init(contactShare: ContactShareViewModel) {
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self.contactShare = contactShare
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super.init(allowsMultipleSelection: false, subtitleCellType: .none)
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self.contactsPickerDelegate = self
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}
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required public init?(coder aDecoder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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@objc required public init(allowsMultipleSelection: Bool, subtitleCellType: SubtitleCellValue) {
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fatalError("init(allowsMultipleSelection:subtitleCellType:) has not been implemented")
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}
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// MARK: - ContactsPickerDelegate
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func contactsPicker(_: ContactsPicker, contactFetchDidFail error: NSError) {
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owsFail("\(logTag) in \(#function) with error: \(error)")
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guard let navigationController = self.navigationController else {
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owsFail("\(logTag) in \(#function) navigationController was unexpectedly nil")
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return
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}
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navigationController.popViewController(animated: true)
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}
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func contactsPickerDidCancel(_: ContactsPicker) {
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Logger.debug("\(self.logTag) in \(#function)")
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guard let navigationController = self.navigationController else {
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owsFail("\(logTag) in \(#function) navigationController was unexpectedly nil")
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return
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}
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navigationController.popViewController(animated: true)
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}
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func contactsPicker(_: ContactsPicker, didSelectContact contact: Contact) {
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Logger.debug("\(self.logTag) in \(#function)")
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guard let mergedContact: CNContact = self.contactShare.cnContact(mergedWithExistingContact: contact) else {
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owsFail("\(logTag) in \(#function) mergedContact was unexpectedly nil")
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return
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}
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// Not actually a "new" contact, but this brings up the edit form rather than the "Read" form
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// saving our users a tap in some cases when we already know they want to edit.
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let contactViewController: CNContactViewController = CNContactViewController(forNewContact: mergedContact)
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// Default title is "New Contact". We could give a more descriptive title, but anything
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// seems redundant - the context is sufficiently clear.
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contactViewController.title = ""
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contactViewController.allowsActions = false
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contactViewController.allowsEditing = true
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contactViewController.delegate = self
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guard let navigationController = self.navigationController else {
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owsFail("\(logTag) in \(#function) navigationController was unexpectedly nil")
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return
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}
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navigationController.pushViewController(contactViewController, animated: true)
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}
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func contactsPicker(_: ContactsPicker, didSelectMultipleContacts contacts: [Contact]) {
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Logger.debug("\(self.logTag) in \(#function)")
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owsFail("\(logTag) only supports single contact select")
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guard let navigationController = self.navigationController else {
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owsFail("\(logTag) in \(#function) navigationController was unexpectedly nil")
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return
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}
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navigationController.popViewController(animated: true)
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}
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func contactsPicker(_: ContactsPicker, shouldSelectContact contact: Contact) -> Bool {
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return true
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}
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// MARK: - CNContactViewControllerDelegate
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public func contactViewController(_ viewController: CNContactViewController, didCompleteWith contact: CNContact?) {
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Logger.debug("\(self.logTag) in \(#function)")
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guard let navigationController = self.navigationController else {
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owsFail("\(logTag) in \(#function) navigationController was unexpectedly nil")
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return
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}
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// TODO this is weird - ideally we'd do something like
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// self.delegate?.didFinishAddingContact
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// and the delegate, which knows about our presentation context could do the right thing.
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//
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// As it is, we happen to always be *pushing* this view controller onto a navcontroller, so the
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// following works in all current cases.
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//
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// If we ever wanted to do something different, like present this in a modal, we'd have to rethink.
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// We want to pop *this* view *and* the still presented CNContactViewController in a single animation.
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// Note this happens for *cancel* and for *done*. Unfortunately, I don't know of a way to detect the difference
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// between the two, since both just call this method.
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guard let myIndex = navigationController.viewControllers.index(of: self) else {
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owsFail("\(logTag) in \(#function) myIndex was unexpectedly nil")
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navigationController.popViewController(animated: true)
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navigationController.popViewController(animated: true)
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return
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}
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let previousViewControllerIndex = navigationController.viewControllers.index(before: myIndex)
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let previousViewController = navigationController.viewControllers[previousViewControllerIndex]
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navigationController.popToViewController(previousViewController, animated: true)
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}
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}
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