iOS: add QIOSViewController

We need our own viewcontroller to better control which
orientations iOS can enter, and also ito be able to
stop auto-rotation.

We stop auto-rotation to happend by default, since this is
how Qt wants it (it is seen as the responsibility of the
application).

Change-Id: Id07a96e355396752fffd28984af528aeb0b7c3e3
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@digia.com>

src/plugins/platforms/ios/plugin.pro

@@ -15,6 +15,7 @@ OBJECTIVE_SOURCES = \
     qiosbackingstore.mm \
     qiosapplicationdelegate.mm \
     qiosorientationlistener.mm \
+    qiosviewcontroller.mm \
     qioscontext.mm
 
 HEADERS = \
@@ -25,6 +26,7 @@ HEADERS = \
     qiosbackingstore.h \
     qiosapplicationdelegate.h \
     qiosorientationlistener.h \
+    qiosviewcontroller.h \
     qioscontext.h
 
 #HEADERS = qiossoftwareinputhandler.h

src/plugins/platforms/ios/qiosviewcontroller.h

@@ -0,0 +1,46 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#import <UIKit/UIKit.h>
+
+@interface QIOSViewController : UIViewController
+@end
+

src/plugins/platforms/ios/qiosviewcontroller.mm

@@ -0,0 +1,60 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#import "qiosviewcontroller.h"
+
+@implementation QIOSViewController
+
+- (BOOL)shouldAutorotate
+{
+    return NO;
+}
+
+- (NSUInteger)supportedInterfaceOrientations
+{
+    // We need to tell iOS that we support all orientations in order to set
+    // status bar orientation when application content orientation changes.
+    // But we return 'NO' above when asked if we 'shouldAutorotate':
+    return UIInterfaceOrientationMaskAll;
+}
+
+@end
+

src/plugins/platforms/ios/qtmain.mm

@@ -40,6 +40,7 @@
 ****************************************************************************/
 
 #include "qiosapplicationdelegate.h"
+#include "qiosviewcontroller.h"
 
 int main(int argc, char *argv[])
 {
@@ -58,7 +59,7 @@ extern int qt_main(int argc, char *argv[]);
     if (!self.window) {
         // If not, we create one ourselves
         self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
-        UIViewController *controller = [[UIViewController alloc] init];
+        QIOSViewController *controller = [[QIOSViewController alloc] init];
         self.window.rootViewController = controller;
         controller.view = [[UIView alloc] init];
 

src/plugins/platforms/ios/qtmain.pro

@@ -3,4 +3,7 @@ TARGET = qiosmain
 PLUGIN_TYPE = platforms
 load(qt_plugin)
 
-OBJECTIVE_SOURCES = qtmain.mm
+OBJECTIVE_SOURCES = qtmain.mm \
+    qiosviewcontroller.mm
+
+HEADERS = qiosviewcontroller.h