Remove obsolete version checks

Our iOS deployment target is now 8, so this code will never be executed.

Change-Id: I7dd4001c01d7c8c2e8e977753cb3fa246b19ce06
Reviewed-by: Gabriel de Dietrich <gabriel.dedietrich@qt.io>

src/plugins/platforms/ios/qiosmessagedialog.mm

@@ -39,7 +39,6 @@
 
 #import <UIKit/UIKit.h>
 
-#include <QtCore/qoperatingsystemversion.h>
 #include <QtGui/qwindow.h>
 #include <QtGui/private/qguiapplication_p.h>
 #include <qpa/qplatformtheme.h>
@@ -109,8 +108,7 @@ bool QIOSMessageDialog::show(Qt::WindowFlags windowFlags, Qt::WindowModality win
     Q_UNUSED(windowFlags);
     if (m_alertController // Ensure that the dialog is not showing already
             || !options() // Some message dialogs don't have options (QErrorMessage)
-            || windowModality == Qt::NonModal // We can only do modal dialogs
+            || windowModality == Qt::NonModal) // We can only do modal dialogs
-            || QOperatingSystemVersion::current() < QOperatingSystemVersion(QOperatingSystemVersion::IOS, 8)) // API limitation
         return false;
 
     m_alertController = [[UIAlertController

src/plugins/platforms/ios/qiosscreen.mm

@@ -45,7 +45,6 @@
 #include "qiosapplicationdelegate.h"
 #include "qiosviewcontroller.h"
 #include "quiview.h"
-#include <QtCore/qoperatingsystemversion.h>
 
 #include <QtGui/private/qwindow_p.h>
 #include <private/qcoregraphics_p.h>
@@ -275,14 +274,6 @@ void QIOSScreen::updateProperties()
     if (m_uiScreen == [UIScreen mainScreen]) {
         Qt::ScreenOrientation statusBarOrientation = toQtScreenOrientation(UIDeviceOrientation([UIApplication sharedApplication].statusBarOrientation));
 
-        if (QOperatingSystemVersion::current() < QOperatingSystemVersion(QOperatingSystemVersion::IOS, 8)) {
-            // On iOS < 8.0 the UIScreen geometry is always in portait, and the system applies
-            // the screen rotation to the root view-controller's view instead of directly to the
-            // screen, like iOS 8 and above does.
-            m_geometry = mapBetween(Qt::PortraitOrientation, statusBarOrientation, m_geometry);
-            m_availableGeometry = transformBetween(Qt::PortraitOrientation, statusBarOrientation, m_geometry).mapRect(m_availableGeometry);
-        }
-
         QIOSViewController *qtViewController = [m_uiWindow.rootViewController isKindOfClass:[QIOSViewController class]] ?
             static_cast<QIOSViewController *>(m_uiWindow.rootViewController) : nil;
 
@@ -302,8 +293,6 @@ void QIOSScreen::updateProperties()
 #endif
 
     if (m_geometry != previousGeometry) {
-        QRectF physicalGeometry;
-        if (QOperatingSystemVersion::current() >= QOperatingSystemVersion(QOperatingSystemVersion::IOS, 8)) {
         // We can't use the primaryOrientation of screen(), as we haven't reported the new geometry yet
         Qt::ScreenOrientation primaryOrientation = m_geometry.width() >= m_geometry.height() ?
             Qt::LandscapeOrientation : Qt::PortraitOrientation;
@@ -312,10 +301,7 @@ void QIOSScreen::updateProperties()
         // before being output on the physical display. We have to take this into account when
         // computing the physical size. Note that unlike the native bounds, the physical size
         // follows the primary orientation of the screen.
-            physicalGeometry = mapBetween(nativeOrientation(), primaryOrientation, QRectF::fromCGRect(m_uiScreen.nativeBounds).toRect());
+        const QRectF physicalGeometry = mapBetween(nativeOrientation(), primaryOrientation, QRectF::fromCGRect(m_uiScreen.nativeBounds).toRect());
-        } else {
-            physicalGeometry = QRectF(0, 0, m_geometry.width() * devicePixelRatio(), m_geometry.height() * devicePixelRatio());
-        }
 
         static const qreal millimetersPerInch = 25.4;
         m_physicalSize = physicalGeometry.size() / m_physicalDpi * millimetersPerInch;

src/plugins/platforms/ios/qiostextinputoverlay.mm

@@ -229,12 +229,6 @@ static void executeBlockWithoutAnimation(Block block)
         borderLayer.cornerRadius = cornerRadius;
         borderLayer.borderColor = [[UIColor lightGrayColor] CGColor];
         [self addSublayer:borderLayer];
-
-        if (QOperatingSystemVersion::current() < QOperatingSystemVersion(QOperatingSystemVersion::IOS, 7)) {
-            // [UIView snapshotViewAfterScreenUpdates:] is available since iOS 7.0.
-            // Just silently ignore showing the loupe for older versions.
-            self.hidden = YES;
-        }
     }
 
     return self;
@@ -278,9 +272,6 @@ static void executeBlockWithoutAnimation(Block block)
 
 - (void)display
 {
-     if (QOperatingSystemVersion::current() < QOperatingSystemVersion(QOperatingSystemVersion::IOS, 7))
-         return;
-
      // Take a snapshow of the target view, magnify the area around the focal
      // point, and add the snapshow layer as a child of the container layer
      // to make it look like a loupe. Then place this layer at the position of