Remove unneeded @available check for macOS <= 10.14 and iOS <= 13

All versions down to Qt 6.2 require macOS 10.14 or iOS 13.

Pick-to: 6.2 6.3 6.4
Change-Id: I5048921ea5a149346a0fa84228227d9156004675
Reviewed-by: Timur Pocheptsov <timur.pocheptsov@qt.io>

1 files changed, 17 insertions, 24 deletions

diff --git a/src/plugins/platforms/ios/qiostheme.mm b/src/plugins/platforms/ios/qiostheme.mm
index a03a0b9515..390ca2e351 100644
--- a/src/plugins/platforms/ios/qiostheme.mm
+++ b/src/plugins/platforms/ios/qiostheme.mm
@@ -49,28 +49,23 @@ void QIOSTheme::initializeSystemPalette()
     Q_DECL_IMPORT QPalette qt_fusionPalette(void);
     s_systemPalette = qt_fusionPalette();
 
-    if (@available(ios 13.0, *)) {
-        s_systemPalette.setBrush(QPalette::Window, qt_mac_toQBrush(UIColor.systemGroupedBackgroundColor.CGColor));
-        s_systemPalette.setBrush(QPalette::Active, QPalette::WindowText, qt_mac_toQBrush(UIColor.labelColor.CGColor));
+    s_systemPalette.setBrush(QPalette::Window, qt_mac_toQBrush(UIColor.systemGroupedBackgroundColor.CGColor));
+    s_systemPalette.setBrush(QPalette::Active, QPalette::WindowText, qt_mac_toQBrush(UIColor.labelColor.CGColor));
 
-        s_systemPalette.setBrush(QPalette::Base, qt_mac_toQBrush(UIColor.secondarySystemGroupedBackgroundColor.CGColor));
-        s_systemPalette.setBrush(QPalette::Active, QPalette::Text, qt_mac_toQBrush(UIColor.labelColor.CGColor));
+    s_systemPalette.setBrush(QPalette::Base, qt_mac_toQBrush(UIColor.secondarySystemGroupedBackgroundColor.CGColor));
+    s_systemPalette.setBrush(QPalette::Active, QPalette::Text, qt_mac_toQBrush(UIColor.labelColor.CGColor));
 
-        s_systemPalette.setBrush(QPalette::Button, qt_mac_toQBrush(UIColor.secondarySystemBackgroundColor.CGColor));
-        s_systemPalette.setBrush(QPalette::Active, QPalette::ButtonText, qt_mac_toQBrush(UIColor.labelColor.CGColor));
+    s_systemPalette.setBrush(QPalette::Button, qt_mac_toQBrush(UIColor.secondarySystemBackgroundColor.CGColor));
+    s_systemPalette.setBrush(QPalette::Active, QPalette::ButtonText, qt_mac_toQBrush(UIColor.labelColor.CGColor));
 
-        s_systemPalette.setBrush(QPalette::Active, QPalette::BrightText, qt_mac_toQBrush(UIColor.lightTextColor.CGColor));
-        s_systemPalette.setBrush(QPalette::Active, QPalette::PlaceholderText, qt_mac_toQBrush(UIColor.placeholderTextColor.CGColor));
+    s_systemPalette.setBrush(QPalette::Active, QPalette::BrightText, qt_mac_toQBrush(UIColor.lightTextColor.CGColor));
+    s_systemPalette.setBrush(QPalette::Active, QPalette::PlaceholderText, qt_mac_toQBrush(UIColor.placeholderTextColor.CGColor));
 
-        s_systemPalette.setBrush(QPalette::Active, QPalette::Link, qt_mac_toQBrush(UIColor.linkColor.CGColor));
-        s_systemPalette.setBrush(QPalette::Active, QPalette::LinkVisited, qt_mac_toQBrush(UIColor.linkColor.CGColor));
+    s_systemPalette.setBrush(QPalette::Active, QPalette::Link, qt_mac_toQBrush(UIColor.linkColor.CGColor));
+    s_systemPalette.setBrush(QPalette::Active, QPalette::LinkVisited, qt_mac_toQBrush(UIColor.linkColor.CGColor));
 
-        s_systemPalette.setBrush(QPalette::Highlight, QColor(11, 70, 150, 60));
-        s_systemPalette.setBrush(QPalette::HighlightedText, qt_mac_toQBrush(UIColor.labelColor.CGColor));
-    } else {
-        s_systemPalette.setBrush(QPalette::Highlight, QColor(204, 221, 237));
-        s_systemPalette.setBrush(QPalette::HighlightedText, Qt::black);
-    }
+    s_systemPalette.setBrush(QPalette::Highlight, QColor(11, 70, 150, 60));
+    s_systemPalette.setBrush(QPalette::HighlightedText, qt_mac_toQBrush(UIColor.labelColor.CGColor));
 }
 
 const QPalette *QIOSTheme::palette(QPlatformTheme::Palette type) const
@@ -139,13 +134,11 @@ QVariant QIOSTheme::themeHint(ThemeHint hint) const
 
 QPlatformTheme::Appearance QIOSTheme::appearance() const
 {
-    if (@available(ios 12, *)) {
-        if (UIWindow *window = qt_apple_sharedApplication().windows.lastObject) {
-            return window.rootViewController.traitCollection.userInterfaceStyle
-                    == UIUserInterfaceStyleDark
-                    ? QPlatformTheme::Appearance::Dark
-                    : QPlatformTheme::Appearance::Light;
-        }
+    if (UIWindow *window = qt_apple_sharedApplication().windows.lastObject) {
+        return window.rootViewController.traitCollection.userInterfaceStyle
+                == UIUserInterfaceStyleDark
+                ? QPlatformTheme::Appearance::Dark
+                : QPlatformTheme::Appearance::Light;
     }
     return QPlatformTheme::Appearance::Unknown;
 }