Qt: Implement analytics (+ prompt)

Source/Core/DolphinQt2/Main.cpp

@@ -4,7 +4,10 @@
 
 #include <QAbstractEventDispatcher>
 #include <QApplication>
+#include <QMessageBox>
+#include <QObject>
 
+#include "Core/Analytics.h"
 #include "Core/BootManager.h"
 #include "Core/Core.h"
 #include "DolphinQt2/Host.h"
@@ -36,8 +39,41 @@ int main(int argc, char* argv[])
   }
   if (!retval)
   {
+    DolphinAnalytics::Instance()->ReportDolphinStart("qt");
+
     MainWindow win;
     win.show();
+
+#if defined(USE_ANALYTICS) && USE_ANALYTICS
+    if (!Settings().HasAskedForAnalyticsPermission())
+    {
+      QMessageBox analytics_prompt(&win);
+
+      analytics_prompt.setIcon(QMessageBox::Question);
+      analytics_prompt.setStandardButtons(QMessageBox::Yes | QMessageBox::No);
+      analytics_prompt.setText(QObject::tr(
+          "Do you authorize Dolphin to report this information to Dolphin's developers?"));
+      analytics_prompt.setInformativeText(
+          QObject::tr("If authorized, Dolphin can collect data on its performance, "
+                      "feature usage, and configuration, as well as data on your system's "
+                      "hardware and operating system.\n\n"
+                      "No private data is ever collected. This data helps us understand "
+                      "how people and emulated games use Dolphin and prioritize our "
+                      "efforts. It also helps us identify rare configurations that are "
+                      "causing bugs, performance and stability issues.\n"
+                      "This authorization can be revoked at any time through Dolphin's "
+                      "settings.\n\n"));
+
+      const int answer = analytics_prompt.exec();
+
+      Settings().SetAskedForAnalyticsPermission(true);
+      Settings().SetAnalyticsEnabled(answer == QMessageBox::Yes);
+      Settings().Save();
+
+      DolphinAnalytics::Instance()->ReloadConfig();
+    }
+#endif
+
     retval = app.exec();
   }
 

Source/Core/DolphinQt2/Settings.cpp

@@ -346,3 +346,13 @@ QVector<QString> Settings::GetProfiles(const InputConfig* config) const
 
   return vec;
 }
+
+bool Settings::HasAskedForAnalyticsPermission() const
+{
+  return SConfig::GetInstance().m_analytics_permission_asked;
+}
+
+void Settings::SetAskedForAnalyticsPermission(bool value)
+{
+  SConfig::GetInstance().m_analytics_permission_asked = value;
+}

Source/Core/DolphinQt2/Settings.h

@@ -62,6 +62,8 @@ public:
   void SetForceNTSCJ(bool val);
 
   // Analytics
+  bool HasAskedForAnalyticsPermission() const;
+  void SetAskedForAnalyticsPermission(bool value);
   bool GetAnalyticsEnabled() const;
   void SetAnalyticsEnabled(bool val);