checking if internet is available before trying to check for an update. This resolve the shutdown after a minute error on mac os x and windows

src/core/UBApplicationController.cpp

@@ -49,6 +49,8 @@
 
 #include "podcast/UBPodcastController.h"
 
+#include "network/UBNetworkAccessManager.h"
+
 #include "ui_mainWindow.h"
 
 #ifdef Q_WS_MAC
@@ -70,6 +72,7 @@ UBApplicationController::UBApplicationController(UBBoardView *pControlView, UBBo
     , mAutomaticCheckForUpdates(false)
     , mCheckingForUpdates(false)
     , mIsShowingDesktop(false)
+    , mHttp(0)
 
 {
     mDisplayManager = new UBDisplayManager(this);
@@ -121,6 +124,7 @@ UBApplicationController::~UBApplicationController()
     delete mBlackScene;
     delete mMirror;
 	if (mFtp) delete mFtp;
+    if (mHttp) delete mHttp;
 }
 
 
@@ -499,17 +503,29 @@ void UBApplicationController::showSankoreEditor()
     emit mainModeChanged(mMainMode);
 }
 
-
-void UBApplicationController::checkUpdate()
+void UBApplicationController::runCheckUpdate(int id, bool error)
 {
-	if (mFtp!=NULL)
+    if(!error){
+        if(mFtp!=NULL)
             delete mFtp;
         mFtp = new QFtp(this);
         connect(mFtp, SIGNAL(commandFinished(int,bool)), this, SLOT(ftpCommandFinished(int,bool)));
-
         mFtp->connectToHost("91.121.248.138",21);
         mFtp->login("anonymous", "anonymous");
         mFtp->get("update.json",0);
+    }
+}
+
+void UBApplicationController::checkUpdate()
+{
+    //TODO change this when upgrade the qt version
+    // networkAccessible : NetworkAccessibility not yet available
+    if(mHttp)
+        delete mHttp;
+    QUrl url("http://www.google.com");
+    mHttp = new QHttp(url.host());
+    connect(mHttp, SIGNAL(requestFinished(int,bool)), this, SLOT(runCheckUpdate(int,bool)));
+    mHttp->get(url.path());
 }
 
 void UBApplicationController::ftpCommandFinished(int id, bool error)

src/core/UBApplicationController.h

@@ -30,6 +30,7 @@ class UBVersion;
 class UBSoftwareUpdate;
 class QNetworkAccessManager;
 class QNetworkReply;
+class QHttp;
 
 
 class UBApplicationController : public QObject
@@ -135,6 +136,7 @@ class UBApplicationController : public QObject
 
     private slots:
         void ftpCommandFinished(int id, bool error);
+        void runCheckUpdate(int id, bool error);
 
     protected:
 
@@ -171,6 +173,7 @@ class UBApplicationController : public QObject
         QNetworkAccessManager *networkAccessManager;
 
         void downloadJsonFinished(QString updateString);
+        QHttp* mHttp;
 };
 
 #endif /* UBAPPLICATIONCONTROLLER_H_ */

src/network/UBNetworkAccessManager.cpp

@@ -173,4 +173,3 @@ void UBNetworkAccessManager::sslErrors(QNetworkReply *reply, const QList<QSslErr
         }
     }
 }
-