Update MediaClient

MediaClient/MediaClientForMobile/ios/ios_launcher.mm

@@ -0,0 +1,31 @@
+#include "ios_launcher.h"
+#include "file_view_controller.h"
+#include <QString>
+#import <UIKit/UIDocumentInteractionController.h>
+
+bool iosLaunchFile(QString file)
+{
+    NSString* url = file.toNSString();
+    NSURL* fileURL = [NSURL fileURLWithPath:url];
+    static DocViewController* mtv = nil;
+    if (mtv!=nil)
+    {
+        [mtv removeFromParentViewController];
+        [mtv release];
+    }
+
+    UIDocumentInteractionController* documentInteractionController = nil;
+    documentInteractionController = [UIDocumentInteractionController interactionControllerWithURL:fileURL];
+
+    UIViewController* rootv = [[[[UIApplication sharedApplication]windows] firstObject]rootViewController];
+    if (rootv!=nil)
+    {
+        mtv = [[DocViewController alloc] init];
+        [rootv addChildViewController:mtv];
+        documentInteractionController.delegate = mtv;
+        [documentInteractionController presentPreviewAnimated:NO];
+        return true;
+    }
+
+    return false;
+}