Stop using the UIApp static variable to access the shared UIApplica…

…tion

https://bugs.webkit.org/show_bug.cgi?id=261861

Reviewed by Richard Robinson.

Replace uses of `UIApp` with the equivalent `+[UIApplication sharedApplication]`. Also, remove a
staging declaration for the `-[UIView focusEffect]` property that's no longer necessary.

* Source/WebKit/Platform/spi/ios/UIKitSPI.h:
* Source/WebKit/UIProcess/Cocoa/NavigationState.mm:
(WebKit::NavigationState::didChangeIsLoading):
* Source/WebKit/UIProcess/ios/WKActionSheetAssistant.mm:
(-[WKActionSheetAssistant showImageSheet]):
* Source/WebKit/UIProcess/ios/WKContentViewInteraction.mm:
(-[WKContentView actionSheetAssistant:showCustomSheetForElement:]):
* Source/WebKit/UIProcess/ios/WebPageProxyIOS.mm:
(WebKit::WebPageProxy::applicationDidEnterBackground):
(WebKit::WebPageProxy::applicationWillEnterForeground):
(WebKit::WebPageProxy::applicationDidEnterBackgroundForMedia):
(WebKit::WebPageProxy::applicationWillEnterForegroundForMedia):
* Source/WebKit/UIProcess/ios/fullscreen/WKFullScreenViewController.mm:
(-[WKFullScreenViewController viewWillTransitionToSize:withTransitionCoordinator:]):
* Tools/DumpRenderTree/mac/DumpRenderTree.mm:
(createWebViewAndOffscreenWindow):
(runTest):

Canonical link: https://commits.webkit.org/268235@main

Source/WebKit/Platform/spi/ios/UIKitSPI.h

@@ -1330,14 +1330,6 @@ typedef NS_ENUM(NSUInteger, _UIScrollDeviceCategory) {
 @property (nonatomic, copy, setter=_setSuggestedColors:) NSArray<UIColor *> *_suggestedColors;
 @end
 
-#if HAVE(UI_FOCUS_EFFECT)
-@class UIFocusEffect;
-
-@interface UIView (Staging_75759822)
-@property (nonatomic, readwrite, copy) UIFocusEffect *focusEffect;
-@end
-#endif
-
 #if HAVE(UIFINDINTERACTION)
 
 @interface _UIFindInteraction (Staging_84486967)
@@ -1372,7 +1364,6 @@ extern NSString * const UIKeyboardPrivateDidRequestDismissalNotification;
 
 extern NSString * const UIKeyboardIsLocalUserInfoKey;
 
-extern UIApplication *UIApp;
 BOOL _UIApplicationIsExtension(void);
 void _UIApplicationLoadWebKit(void);
 

Source/WebKit/UIProcess/Cocoa/NavigationState.mm

@@ -1391,7 +1391,7 @@ static _WKSOAuthorizationLoadPolicy wkSOAuthorizationLoadPolicy(SOAuthorizationL
     if (webView && webView->_page->pageLoadState().isLoading()) {
 #if PLATFORM(IOS_FAMILY)
         // We do not start a network activity if a load starts after the screen has been locked.
-        if ([UIApp isSuspendedUnderLock])
+        if (UIApplication.sharedApplication.isSuspendedUnderLock)
             return;
 #endif
 

Source/WebKit/UIProcess/ios/WKActionSheetAssistant.mm

@@ -407,9 +407,9 @@ - (void)showImageSheet
             return;
 
         if (!alternateURL && userInfo) {
-ALLOW_DEPRECATED_DECLARATIONS_BEGIN
-            [UIApp _cancelAllTouches];
-ALLOW_DEPRECATED_DECLARATIONS_END
+            ALLOW_DEPRECATED_DECLARATIONS_BEGIN
+            [UIApplication.sharedApplication _cancelAllTouches];
+            ALLOW_DEPRECATED_DECLARATIONS_END
             return;
         }
 

Source/WebKit/UIProcess/ios/WKContentViewInteraction.mm

@@ -8496,7 +8496,7 @@ - (BOOL)actionSheetAssistant:(WKActionSheetAssistant *)assistant showCustomSheet
 
             // Prevent tap-and-hold and panning.
             if (shouldCancelAllTouches)
-                [UIApp _cancelAllTouches];
+                [UIApplication.sharedApplication _cancelAllTouches];
 
             return YES;
         }

Source/WebKit/UIProcess/ios/WebPageProxyIOS.mm

@@ -628,7 +628,7 @@ static inline float adjustedUnexposedMaxEdge(float documentEdge, float exposedRe
 {
     m_lastObservedStateWasBackground = true;
 
-    bool isSuspendedUnderLock = [UIApp isSuspendedUnderLock];
+    bool isSuspendedUnderLock = UIApplication.sharedApplication.isSuspendedUnderLock;
 
     WEBPAGEPROXY_RELEASE_LOG(ViewState, "applicationDidEnterBackground: isSuspendedUnderLock? %d", isSuspendedUnderLock);
 
@@ -661,7 +661,7 @@ static inline float adjustedUnexposedMaxEdge(float documentEdge, float exposedRe
 {
     m_lastObservedStateWasBackground = false;
 
-    bool isSuspendedUnderLock = [UIApp isSuspendedUnderLock];
+    bool isSuspendedUnderLock = UIApplication.sharedApplication.isSuspendedUnderLock;
     WEBPAGEPROXY_RELEASE_LOG(ViewState, "applicationWillEnterForeground: isSuspendedUnderLock? %d", isSuspendedUnderLock);
 
     m_process->send(Messages::WebPage::ApplicationWillEnterForeground(isSuspendedUnderLock), webPageID());
@@ -675,15 +675,15 @@ static inline float adjustedUnexposedMaxEdge(float documentEdge, float exposedRe
 
 void WebPageProxy::applicationDidEnterBackgroundForMedia()
 {
-    bool isSuspendedUnderLock = [UIApp isSuspendedUnderLock];
+    bool isSuspendedUnderLock = UIApplication.sharedApplication.isSuspendedUnderLock;
     WEBPAGEPROXY_RELEASE_LOG(ViewState, "applicationWillEnterForegroundForMedia: isSuspendedUnderLock? %d", isSuspendedUnderLock);
 
     m_process->send(Messages::WebPage::ApplicationDidEnterBackgroundForMedia(isSuspendedUnderLock), webPageID());
 }
 
 void WebPageProxy::applicationWillEnterForegroundForMedia()
 {
-    bool isSuspendedUnderLock = [UIApp isSuspendedUnderLock];
+    bool isSuspendedUnderLock = UIApplication.sharedApplication.isSuspendedUnderLock;
     WEBPAGEPROXY_RELEASE_LOG(ViewState, "applicationWillEnterForegroundForMedia: isSuspendedUnderLock? %d", isSuspendedUnderLock);
 
     m_process->send(Messages::WebPage::ApplicationWillEnterForegroundForMedia(isSuspendedUnderLock), webPageID());

Source/WebKit/UIProcess/ios/fullscreen/WKFullScreenViewController.mm

@@ -673,9 +673,9 @@ - (void)viewWillTransitionToSize:(CGSize)size withTransitionCoordinator:(id<UIVi
         [self._webView _beginAnimatedResizeWithUpdates:^{
             [self._webView _overrideLayoutParametersWithMinimumLayoutSize:size maximumUnobscuredSizeOverride:size];
         }];
-ALLOW_DEPRECATED_DECLARATIONS_BEGIN
-        [self._webView _setInterfaceOrientationOverride:[UIApp statusBarOrientation]];
-ALLOW_DEPRECATED_DECLARATIONS_END
+        ALLOW_DEPRECATED_DECLARATIONS_BEGIN
+        [self._webView _setInterfaceOrientationOverride:UIApplication.sharedApplication.statusBarOrientation];
+        ALLOW_DEPRECATED_DECLARATIONS_END
     } completion:^(id <UIViewControllerTransitionCoordinatorContext>context) {
         [self._webView _endAnimatedResize];
     }];

Tools/DumpRenderTree/mac/DumpRenderTree.mm

@@ -778,7 +778,7 @@ static void registerMockScrollbars()
     [[webView window] makeFirstResponder:[[[webView mainFrame] frameView] documentView]];
 
     CGRect uiWindowRect = layoutTestViewportRect;
-    uiWindowRect.origin.y += [UIApp statusBarHeight];
+    uiWindowRect.origin.y += UIApplication.sharedApplication.statusBarHeight;
     auto uiWindow = adoptNS([[UIWindow alloc] initWithFrame:uiWindowRect]);
 
     auto viewController = adoptNS([[UIViewController alloc] init]);
@@ -2010,7 +2010,7 @@ static void runTest(const std::string& inputLine)
     }
 
 #if PLATFORM(IOS_FAMILY)
-    [(DumpRenderTree *)UIApp _waitForWebThread];
+    [(DumpRenderTree *)UIApplication.sharedApplication _waitForWebThread];
     WebThreadLockAfterDelegateCallbacksHaveCompleted();
 #endif