Merge pull request #3 from thp/inactivity-timeout

[nemo] Implement 1-minute inactivity timeout

src/passwordmanager.cpp

@@ -37,7 +37,17 @@ PasswordManager::OBJECT_PATH = "/org/nemo/passwordmanager";
 PasswordManager::PasswordManager(QObject *parent)
     : QObject(parent)
     , store()
+    , autoclose()
 {
+    // Inactivity timeout after which the service quits to save resources
+    const int AUTOCLOSE_TIMEOUT_MS = 60 * 1000;
+
+    // Configure auto-close timer to quit the service after inactivity
+    autoclose.setSingleShot(true);
+    autoclose.setInterval(AUTOCLOSE_TIMEOUT_MS);
+    QObject::connect(&autoclose, SIGNAL(timeout()),
+                     this, SLOT(quit()));
+
     QDBusConnection connection = QDBusConnection::systemBus();
     if (!connection.registerService(SERVICE_NAME)) {
         qFatal("Cannot register D-Bus service at %s", SERVICE_NAME);
@@ -48,6 +58,10 @@ PasswordManager::PasswordManager(QObject *parent)
     }
 
     new PasswordManagerAdaptor(this);
+
+    // Every time a client action is carried out, we call autoclose.start() to
+    // reset the timer. Do it here for the first time.
+    autoclose.start();
 }
 
 PasswordManager::~PasswordManager()
@@ -72,11 +86,14 @@ PasswordManager::generatePassword()
     } else {
         emit error(message);
     }
+
+    autoclose.start();
 }
 
 QString
 PasswordManager::getGeneratedPassword()
 {
+    autoclose.start();
     return store.get();
 }
 
@@ -101,6 +118,8 @@ PasswordManager::setPassword(const QString &password)
     } else {
         emit error(message);
     }
+
+    autoclose.start();
 }
 
 bool

src/passwordmanager.h

@@ -24,6 +24,7 @@
 
 #include <QObject>
 #include <QString>
+#include <QTimer>
 
 #include "passwordmanager_store.h"
 
@@ -52,6 +53,7 @@ class PasswordManager : public QObject {
 
     private:
         PasswordManagerStore store;
+        QTimer autoclose;
 };
 
 #endif /* ORG_NEMO_PASSWORDMANAGER_H */