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Merge branch 'feature/managers_handle_navigation' into 'develop'

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Managers handle navigation bar

See merge request BPHV_MIPS/mvm_core_ui!729
This commit is contained in:
Pfeil, Scott Robert 2021-06-23 18:55:33 +00:00
commit 298a2c7a8e
10 changed files with 158 additions and 121 deletions
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4
MVMCoreUI.xcodeproj/project.pbxproj
View File

@ -323,7 +323,6 @@
D20C7009250BF99B0095B21C /* TopNotificationModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = D20C7008250BF99B0095B21C /* TopNotificationModel.swift */; };
D20C700B250BFDE40095B21C /* MVMCoreUITopAlertView+Extension.swift in Sources */ = {isa = PBXBuildFile; fileRef = D20C700A250BFDE40095B21C /* MVMCoreUITopAlertView+Extension.swift */; };
D20F3B44252E00E4004B3F56 /* PageProtocol.swift in Sources */ = {isa = PBXBuildFile; fileRef = D20F3B43252E00E4004B3F56 /* PageProtocol.swift */; };
D20F3B5E252F9B5E004B3F56 /* NavigationBarRefreshProtocol.swift in Sources */ = {isa = PBXBuildFile; fileRef = D20F3B5D252F9B5D004B3F56 /* NavigationBarRefreshProtocol.swift */; };
D20FB165241A5D75004AFC3A /* NavigationItemModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = D20FB164241A5D75004AFC3A /* NavigationItemModel.swift */; };
D213347723843825008E41B3 /* Line.swift in Sources */ = {isa = PBXBuildFile; fileRef = D213347623843825008E41B3 /* Line.swift */; };
D2169301251E51E7002A6324 /* SectionListTemplate.swift in Sources */ = {isa = PBXBuildFile; fileRef = D2169300251E51E7002A6324 /* SectionListTemplate.swift */; };
@ -887,7 +886,6 @@
D20C7008250BF99B0095B21C /* TopNotificationModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TopNotificationModel.swift; sourceTree = "<group>"; };
D20C700A250BFDE40095B21C /* MVMCoreUITopAlertView+Extension.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "MVMCoreUITopAlertView+Extension.swift"; sourceTree = "<group>"; };
D20F3B43252E00E4004B3F56 /* PageProtocol.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PageProtocol.swift; sourceTree = "<group>"; };
D20F3B5D252F9B5D004B3F56 /* NavigationBarRefreshProtocol.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = NavigationBarRefreshProtocol.swift; sourceTree = "<group>"; };
D20FB164241A5D75004AFC3A /* NavigationItemModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = NavigationItemModel.swift; sourceTree = "<group>"; };
D213347623843825008E41B3 /* Line.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Line.swift; sourceTree = "<group>"; };
D2169300251E51E7002A6324 /* SectionListTemplate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SectionListTemplate.swift; sourceTree = "<group>"; };
@ -2319,7 +2317,6 @@
D20F3B43252E00E4004B3F56 /* PageProtocol.swift */,
012A88AC238C418100FE3DA1 /* TemplateProtocol.swift */,
D28BA7442481652D00B75CB8 /* TabBarProtocol.swift */,
D20F3B5D252F9B5D004B3F56 /* NavigationBarRefreshProtocol.swift */,
011B58EE23A2AA850085F53C /* ModelProtocols */,
);
path = Protocols;
@ -2754,7 +2751,6 @@
D22479942316AE5E003FCCF9 /* NSLayoutConstraintExtension.swift in Sources */,
D2B18B94236214AD00A9AEDC /* NavigationController.swift in Sources */,
0A9D09222433796500D2E6C0 /* CarouselIndicator.swift in Sources */,
D20F3B5E252F9B5E004B3F56 /* NavigationBarRefreshProtocol.swift in Sources */,
D29E28DA23D21AFA00ACEA85 /* StringAndMoleculeModel.swift in Sources */,
D260105D23D0BCD400764D80 /* Stack.swift in Sources */,
0A7EF85D23D8A95600B2AAD1 /* TextEntryFieldModel.swift in Sources */,

34
MVMCoreUI/Atomic/Protocols/NavigationBarRefreshProtocol.swift
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@ -1,34 +0,0 @@
//
// NavigationBarRefreshProtocol.swift
// MVMCoreUI
//
// Created by Scott Pfeil on 10/8/20.
// Copyright © 2020 Verizon Wireless. All rights reserved.
//
import Foundation
/// A protocol to inform that we should refresh the navigation bar ui.
@objc public protocol NavigationBarRefreshProtocol {
@objc func refreshNavigationUI()
}
extension UIViewController: NavigationBarRefreshProtocol {
/// Convenience function to refresh the navigation bar ui. A separate function for others to use.
@objc public static func refreshNavigationUI(for viewController: UIViewController) {
guard let model = (viewController as? PageProtocol)?.pageModel?.navigationBar else { return }
if let navigationController = viewController.navigationController {
NavigationController.setNavigationItem(navigationController: navigationController, navigationItemModel: model, viewController: viewController)
MVMCoreUISplitViewController.setNavigationBarUI(for: viewController, navigationController: navigationController, navigationItemModel: model)
}
if let manager = ((viewController as? MVMCoreViewManagerViewControllerProtocol)?.manager as? NavigationBarRefreshProtocol) {
// Refresh the manager if possible.
manager.refreshNavigationUI()
}
}
public func refreshNavigationUI() {
UIViewController.refreshNavigationUI(for: self)
}
}

56
MVMCoreUI/BaseControllers/ViewController.swift
View File

@ -114,17 +114,6 @@ import UIKit
try parsePageJSON()
MVMCoreDispatchUtility.performBlock(onMainThread: {
self.handleNewDataAndUpdateUI()
if MVMCoreUIUtility.getCurrentVisibleController() == self {
// Update navigation bar if showing.
self.setNavigationBar()
self.manager?.refreshNavigationUI()
}
// Update splitview properties
if self == MVMCoreUISplitViewController.main()?.getCurrentDetailViewController() {
MVMCoreUISplitViewController.main()?.setBottomProgressBarProgress(self.bottomProgress() ?? 0)
self.updateTabBar()
}
})
} catch {
if let coreError = MVMCoreErrorObject.createErrorObject(for: error, location: "updateJSON for pageType: \(String(describing: pageType))") {
@ -237,6 +226,11 @@ import UIKit
/// Processes any new data. Called after the page is loaded the first time and on response updates for this page,
open func handleNewData() {
if model?.navigationBar == nil {
let navigationItem = createDefaultLegacyNavigationModel()
model?.navigationBar = navigationItem
}
executeBehaviors { (behavior: PageMoleculeTransformationBehavior) in
behavior.onPageNew(rootMolecules: getRootMolecules(), delegateObjectIVar)
}
@ -250,8 +244,14 @@ import UIKit
view.backgroundColor = backgroundColor.uiColor
}
// Sets up the navigation item based on the data.
setNavigationItem()
// Update splitview properties
if self == MVMCoreUISplitViewController.main()?.getCurrentDetailViewController() {
MVMCoreUISplitViewController.main()?.setBottomProgressBarProgress(bottomProgress() ?? 0)
updateTabBar()
}
// Notify the manager of new data
manager?.newDataReceived?(in: self)
}
//--------------------------------------------------
@ -267,28 +267,6 @@ import UIKit
return model?.navigationBar
}
/// Sets the navigation item for this view controller.
open func setNavigationItem() {
guard let navigationItemModel = getNavigationModel(),
let navigationController = navigationController
else { return }
// Utilize helper function to set the navigation item state.
NavigationController.setNavigationItem(navigationController: navigationController, navigationItemModel: navigationItemModel, viewController: self)
}
/// Sets the appearance of the navigation bar based on the model.
open func setNavigationBar() {
guard let navigationItemModel = getNavigationModel(),
let navigationController = navigationController else {
MVMCoreUISession.sharedGlobal()?.splitViewController?.parent?.setNeedsStatusBarAppearanceUpdate()
return
}
// Utilize helper function to set the split view and navigation item state.
MVMCoreUISplitViewController.setNavigationBarUI(for: self, navigationController: navigationController, navigationItemModel: navigationItemModel)
}
//--------------------------------------------------
// MARK: - TabBar
//--------------------------------------------------
@ -378,9 +356,6 @@ import UIKit
updateTabBar()
}
// Update the navigation bar ui when view is appearing.
setNavigationBar()
// Track.
MVMCoreUISession.sharedGlobal()?.currentPageType = pageType
MVMCoreUILoggingHandler.shared()?.defaultLogPageState(forController: self)
@ -536,11 +511,6 @@ import UIKit
// MARK: - MVMCoreUIDetailViewProtocol
//--------------------------------------------------
// Reset the navigation state.
public func splitViewDidReset() {
setNavigationBar()
}
public func isLeftPanelAccessible() -> Bool {
// TODO: Remove when hamburger menu is fully phased out.
if loadObject?.pageJSON?.boolForKey(KeyHideMainMenu) ?? false {

12
MVMCoreUI/Behaviors/GetContactBehavior.swift
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@ -43,18 +43,6 @@ public class PageGetContactBehavior: PageVisibilityBehavior {
// TODO: move to protocol function instead
guard let controller = self?.delegate?.moleculeDelegate as? ViewController else { return }
controller.handleNewDataAndUpdateUI()
if MVMCoreUIUtility.getCurrentVisibleController() == controller {
// Update navigation bar if showing.
controller.setNavigationBar()
controller.manager?.refreshNavigationUI()
}
// Update splitview properties
if controller == MVMCoreUISplitViewController.main()?.getCurrentDetailViewController() {
MVMCoreUISplitViewController.main()?.setBottomProgressBarProgress(controller.bottomProgress() ?? 0)
controller.updateTabBar()
}
})
}
}

83
MVMCoreUI/Containers/NavigationController.swift
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@ -8,8 +8,9 @@
import UIKit
@objcMembers open class NavigationController: UINavigationController {
@objcMembers open class NavigationController: UINavigationController, MVMCoreViewManagerViewControllerProtocol {
public var separatorView: Line?
public var manager: (UIViewController & MVMCoreViewManagerProtocol)?
/// Getter for the main navigation controller
public static func navigationController() -> Self? {
@ -33,6 +34,7 @@ import UIKit
MVMCoreUISession.sharedGlobal()?.navigationController = navigationController
MVMCoreNavigationHandler.shared()?.viewControllerToPresentOn = navigationController
MVMCoreNavigationHandler.shared()?.navigationController = navigationController
MVMCoreNavigationHandler.shared()?.addDelegate(navigationController)
return navigationController
}
@ -103,4 +105,83 @@ import UIKit
viewController.navigationItem.titleView = molecule
}
}
/// Convenience function to return the navigation model of the lowest controller traversing managers if applicable.
public func getNavigationModel(from viewController: UIViewController) -> NavigationItemModelProtocol? {
guard let topViewController = topViewController,
viewController == MVMCoreUIUtility.getViewControllerTraversingManagers(topViewController),
let model = (viewController as? PageProtocol)?.pageModel?.navigationBar else { return nil }
return model
}
}
extension NavigationController: MVMCoreViewManagerProtocol {
public func getCurrentViewController() -> UIViewController? {
guard let topViewController = topViewController else { return nil }
return MVMCoreUIUtility.getViewControllerTraversingManagers(topViewController)
}
public func containsPage(withPageType pageType: String?) -> Bool {
for controller in viewControllers {
if let manager = controller as? MVMCoreViewManagerProtocol,
manager.containsPage(withPageType: pageType) {
return true
} else if let controller = controller as? MVMCoreViewControllerProtocol,
controller.pageType == pageType {
return true
}
}
return false
}
public func newDataReceived(in viewController: UIViewController) {
if let topViewController = topViewController,
let model = getNavigationModel(from: viewController) {
Self.setNavigationItem(navigationController: self, navigationItemModel: model, viewController: topViewController)
Self.setNavigationBarUI(navigationController: self, navigationItemModel: model, viewController: topViewController)
}
manager?.newDataReceived?(in: viewController)
}
public func willDisplay(_ viewController: UIViewController) {
if let topViewController = topViewController,
let model = getNavigationModel(from: viewController) {
Self.setNavigationItem(navigationController: self, navigationItemModel: model, viewController: topViewController)
}
manager?.willDisplay?(viewController)
}
public func displayedViewController(_ viewController: UIViewController) {
if let topViewController = topViewController,
let model = getNavigationModel(from: viewController) {
Self.setNavigationBarUI(navigationController: self, navigationItemModel: model, viewController: topViewController)
}
manager?.displayedViewController?(viewController)
}
}
extension NavigationController: MVMCorePresentationDelegateProtocol {
public func navigationController(_ navigationController: UINavigationController, willDisplay viewController: UIViewController) {
guard self == navigationController else { return }
if let controller = viewController as? (UIViewController & MVMCoreViewManagerViewControllerProtocol) {
MVMCoreViewManagerViewControllerProtocolHelper.helpSetManager(self, viewController: controller)
}
guard let newViewController = MVMCoreUIUtility.getViewControllerTraversingManagers(viewController) else { return }
if let model = getNavigationModel(from: newViewController) {
Self.setNavigationItem(navigationController: self, navigationItemModel: model, viewController: viewController)
}
manager?.willDisplay?(newViewController)
}
public func navigationController(_ navigationController: UINavigationController, displayedViewController viewController: UIViewController) {
guard self == navigationController,
let newViewController = MVMCoreUIUtility.getViewControllerTraversingManagers(viewController) else { return }
if let model = getNavigationModel(from: newViewController) {
Self.setNavigationBarUI(navigationController: self, navigationItemModel: model, viewController: viewController)
}
manager?.displayedViewController?(newViewController)
if let controller = viewController as? (UIViewController & MVMCoreViewManagerViewControllerProtocol) {
controller.viewControllerReady?(inManager: self)
}
}
}

3
MVMCoreUI/Containers/SplitViewController/MVMCoreUIDetailViewProtocol.h
View File

@ -48,9 +48,6 @@ NS_ASSUME_NONNULL_BEGIN
- (UIStatusBarStyle)defaultStatusBarStyle;
- (nullable UIColor *)defaultStatusBarBackgroundColor;
/// Called when the split view did reset. If this function found, the splitview assumes it is handling the split view state and does not do anything. If you have navigation item buttons, override this function and handle the panels manually.
- (void)splitViewDidReset;
@end
NS_ASSUME_NONNULL_END

46
MVMCoreUI/Containers/SplitViewController/MVMCoreUISplitViewController+Extension.swift
View File

@ -8,15 +8,15 @@
import Foundation
// Navigation bar update functions
public extension MVMCoreUISplitViewController {
/// Convenience function. Sets the navigation and split view properties for the view controller. Panel access is determined if view controller is a detail view protocol.
static func setNavigationBarUI(for viewController: UIViewController, navigationController: UINavigationController, navigationItemModel: NavigationItemModelProtocol) {
guard let splitView = MVMCoreUISplitViewController.main(),
navigationController == splitView.navigationController,
navigationController.topViewController == viewController else {
viewController == MVMCoreUISplitViewController.main()?.getCurrentDetailViewController() else {
/// Not the split view navigation controller, skip split functions.
NavigationController.setNavigationBarUI(navigationController: navigationController, navigationItemModel: navigationItemModel, viewController: viewController)
return
}
splitView.set(for: viewController, navigationController: navigationController, navigationItemModel: navigationItemModel)
@ -24,8 +24,6 @@ public extension MVMCoreUISplitViewController {
/// Sets the navigation item for the view controller based on the model and splitview controller
private func set(for viewController: UIViewController, navigationController: UINavigationController, navigationItemModel: NavigationItemModelProtocol) {
NavigationController.setNavigationBarUI(navigationController: navigationController, navigationItemModel: navigationItemModel, viewController: viewController)
setLeftPanelIsAccessible((viewController as? MVMCoreUIDetailViewProtocol)?.isLeftPanelAccessible?() ?? false, for: viewController, updateNavigationButtons: false)
setRightPanelIsAccessible((viewController as? MVMCoreUIDetailViewProtocol)?.isRightPanelAccessible?() ?? false, for: viewController, updateNavigationButtons: false)
@ -37,6 +35,8 @@ public extension MVMCoreUISplitViewController {
/// Sets the left navigation items for the view controller based on model and splitview.
func setLeftNavigationButtons(navigationController: UINavigationController, navigationItemModel: NavigationItemModelProtocol?, viewController: UIViewController) {
guard let topViewController = navigationController.topViewController else { return }
var leftItems: [UIBarButtonItem] = []
let delegate = (viewController as? MVMCoreViewControllerProtocol)?.delegateObject?() as? MVMCoreUIDelegateObject
@ -75,11 +75,13 @@ public extension MVMCoreUISplitViewController {
leftItems.append(contentsOf: additionalLeftButtons)
}
viewController.navigationItem.setLeftBarButtonItems(leftItems.count > 0 ? leftItems : nil, animated: !DisableAnimations.boolValue)
topViewController.navigationItem.setLeftBarButtonItems(leftItems.count > 0 ? leftItems : nil, animated: !DisableAnimations.boolValue)
}
/// Sets the right navigation items for the view controller based on model and splitview.
func setRightNavigationButtons(navigationController: UINavigationController, navigationItemModel: NavigationItemModelProtocol?, viewController: UIViewController) {
guard let topViewController = navigationController.topViewController else { return }
let delegate = (viewController as? MVMCoreViewControllerProtocol)?.delegateObject?() as? MVMCoreUIDelegateObject
var rightItems: [UIBarButtonItem] = []
@ -102,6 +104,38 @@ public extension MVMCoreUISplitViewController {
rightItems.append(contentsOf: additionalRightButtons)
}
viewController.navigationItem.setRightBarButtonItems(rightItems.count > 0 ? rightItems : nil, animated: !DisableAnimations.boolValue)
topViewController.navigationItem.setRightBarButtonItems(rightItems.count > 0 ? rightItems : nil, animated: !DisableAnimations.boolValue)
}
@objc func navigationBarModelExists() -> Bool {
// Legacy Navigation
guard let currentViewController = getCurrentDetailViewController(),
let _ = navigationController?.getNavigationModel(from: currentViewController) else { return false }
return true
}
/// Convenience function to update the navigation bar if the controller is the current lowest controller.
@objc func updateNavigationBarFor(viewController: UIViewController) {
guard let navigationController = navigationController,
let model = navigationController.getNavigationModel(from: viewController) else { return }
set(for: viewController, navigationController: navigationController, navigationItemModel: model)
}
}
extension MVMCoreUISplitViewController: MVMCoreViewManagerProtocol {
public func getCurrentViewController() -> UIViewController? {
navigationController?.getCurrentViewController()
}
public func containsPage(withPageType pageType: String?) -> Bool {
navigationController?.containsPage(withPageType: pageType) ?? false
}
public func displayedViewController(_ viewController: UIViewController) {
updateNavigationBarFor(viewController: viewController)
}
public func newDataReceived(in viewController: UIViewController) {
updateNavigationBarFor(viewController: viewController)
}
}

23
MVMCoreUI/Containers/SplitViewController/MVMCoreUISplitViewController.m
View File

@ -240,7 +240,7 @@ CGFloat const PanelAnimationDuration = 0.2;
- (void)setLeftNavigationItemForViewController:(UIViewController * _Nonnull)viewController accessible:(BOOL)accessible extended:(BOOL)extended {
NSMutableArray *leftBarButtonItems = [NSMutableArray array];
if (viewController.navigationController && [MVMCoreNavigationHandler.sharedNavigationHandler getViewControllersForNavigationController:viewController.navigationController].count > 1) {
if (self.navigationController && [MVMCoreNavigationHandler.sharedNavigationHandler getViewControllersForNavigationController:self.navigationController].count > 1) {
[leftBarButtonItems addObject:self.backButton];
}
if ((accessible && !extended) && self.leftPanelButton) {
@ -250,7 +250,7 @@ CGFloat const PanelAnimationDuration = 0.2;
if (extraButtons) {
[leftBarButtonItems addObjectsFromArray:extraButtons];
}
[viewController.navigationItem setLeftBarButtonItems:(leftBarButtonItems.count > 0 ? leftBarButtonItems : nil) animated:!DisableAnimations];
[self.navigationController.topViewController.navigationItem setLeftBarButtonItems:(leftBarButtonItems.count > 0 ? leftBarButtonItems : nil) animated:!DisableAnimations];
}
- (void)setLeftPanelIsAccessible:(BOOL)leftPanelIsAccessible forViewController:(UIViewController *)viewController updateNavigationButtons:(BOOL)updateNavigationButtons {
@ -422,7 +422,7 @@ CGFloat const PanelAnimationDuration = 0.2;
if (extraButtons) {
[navigationItems addObjectsFromArray:extraButtons];
}
[viewController.navigationItem setRightBarButtonItems:(navigationItems.count > 0 ? navigationItems : nil) animated:!DisableAnimations];
[self.navigationController.topViewController.navigationItem setRightBarButtonItems:(navigationItems.count > 0 ? navigationItems : nil) animated:!DisableAnimations];
}
- (BOOL)shouldExtendRightPanel {
@ -857,6 +857,7 @@ CGFloat const PanelAnimationDuration = 0.2;
// The main view.
NavigationController *navigationController = [NavigationController setupNavigationController];
navigationController.manager = self;
self.navigationController = navigationController;
UIView *mainView = navigationController.view;
@ -988,9 +989,11 @@ CGFloat const PanelAnimationDuration = 0.2;
}
- (void)resetDrawers {
if ([self.navigationItemViewController respondsToSelector:@selector(splitViewDidReset)]) {
[((UIViewController<MVMCoreUIDetailViewProtocol> *)self.navigationItemViewController) splitViewDidReset];
if (!self.navigationItemViewController) { return; }
if ([self navigationBarModelExists]) {
[self updateNavigationBarForViewController:self.navigationItemViewController];
} else {
// Legacy
[self setLeftPanelIsAccessible:self.leftPanelIsAccessible forViewController:self.navigationItemViewController updateNavigationButtons:YES];
[self setRightPanelIsAccessible:self.rightPanelIsAccessible forViewController:self.navigationItemViewController updateNavigationButtons:YES];
@ -1066,10 +1069,7 @@ CGFloat const PanelAnimationDuration = 0.2;
}
// if it is not presented viewcontroller, existing BAU logic will be working
if (!viewController) {
viewController = self.navigationController.topViewController;
if ([viewController conformsToProtocol:@protocol(MVMCoreViewManagerProtocol)]) {
viewController = [viewController performSelector:@selector(getCurrentViewController)];
}
viewController = [MVMCoreUIUtility getViewControllerTraversingManagers:self.navigationController.topViewController];
}
return viewController;
}
@ -1077,10 +1077,7 @@ CGFloat const PanelAnimationDuration = 0.2;
- (UIViewController *)getCurrentDetailViewController {
__block UIViewController *viewController = nil;
[MVMCoreDispatchUtility performSyncBlockOnMainThread:^{
viewController = self.navigationController.topViewController;
if ([viewController conformsToProtocol:@protocol(MVMCoreViewManagerProtocol)]) {
viewController = [viewController performSelector:@selector(getCurrentViewController)];
}
viewController = [MVMCoreUIUtility getViewControllerTraversingManagers:self.navigationController.topViewController];
}];
return viewController;
}

5
MVMCoreUI/Utility/MVMCoreUIUtility.h
View File

@ -32,7 +32,10 @@ NS_ASSUME_NONNULL_BEGIN
+ (UIEdgeInsets)getMarginsForView:(nullable UIView *)view;
/// Gets the current visible view controller. Checks presented view controllers first, and then it checks on the NavigationController in the session object.
+ (UIViewController *)getCurrentVisibleController;
+ (nullable UIViewController *)getCurrentVisibleController;
/// Gets the first non manager controller.
+ (nullable UIViewController *)getViewControllerTraversingManagers:(UIViewController *)viewController;
/// Checks if the view or any descendents of the view is currently focused for voice over.
+ (BOOL)viewContainsAccessiblityFocus:(nonnull UIView *)view;

13
MVMCoreUI/Utility/MVMCoreUIUtility.m
View File

@ -63,14 +63,19 @@
}
// if it is not presented viewcontroller, existing BAU logic will be working
if (!viewController) {
viewController = [MVMCoreUISession sharedGlobal].navigationController.topViewController;
if ([viewController conformsToProtocol:@protocol(MVMCoreViewManagerProtocol)]) {
viewController = [viewController performSelector:@selector(getCurrentViewController)];
}
viewController = [self getViewControllerTraversingManagers:[MVMCoreUISession sharedGlobal].navigationController.topViewController];
}
return viewController;
}
+ (UIViewController *)getViewControllerTraversingManagers:(UIViewController *)viewController {
UIViewController *controller = viewController;
while ([controller conformsToProtocol:@protocol(MVMCoreViewManagerProtocol)]) {
controller = [controller performSelector:@selector(getCurrentViewController)];
}
return controller;
}
+ (BOOL)viewContainsAccessiblityFocus:(nonnull UIView *)view {
if (!UIAccessibilityIsVoiceOverRunning()) {
return NO;