emailservices/nmclientapi/src/nmapieventnotifier_p.cpp
changeset 49 00c7ae862740
parent 48 10eaf342f539
child 68 83cc6bae1de8
--- a/emailservices/nmclientapi/src/nmapieventnotifier_p.cpp	Tue Jun 29 17:12:28 2010 +0300
+++ b/emailservices/nmclientapi/src/nmapieventnotifier_p.cpp	Fri Jul 02 15:55:16 2010 +0300
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+ * Copyright (c) 2009 - 2010 Nokia Corporation and/or its subsidiary(-ies).
  * All rights reserved.
  * This component and the accompanying materials are made available
  * under the terms of "Eclipse Public License v1.0"
@@ -19,6 +19,8 @@
 
 namespace EmailClientApi
 {
+const quint32 IntervalEmitingSignals = 10000;
+
 /*!
    Constructor
  */
@@ -26,6 +28,11 @@
     QObject(parent), mEmitSignals(NULL), mEngine(NULL), mIsRunning(false)
 {
     NM_FUNCTION;
+    mEmitSignals = new QTimer(this);
+    mEmitSignals->setInterval(IntervalEmitingSignals);
+    connect(mEmitSignals, SIGNAL(timeout()), this, SIGNAL(
+        timedOut()));
+    mEngine = NmApiEngine::instance();
 }
 
 /*!
@@ -34,41 +41,65 @@
 NmApiEventNotifierPrivate::~NmApiEventNotifierPrivate()
 {
     NM_FUNCTION;
+    mEmitSignals->stop();
+    NmApiEngine::releaseInstance(mEngine);
 }
 
 /*!
-   \brief It initialize engine for email operations. 
+   Returns true if the 
+ */
+bool NmApiEventNotifierPrivate::isRunning() const
+{
+    return mIsRunning;
+}
+
+/*!
+   Start monitoring email events
    
-   When use initializeEngine need to remember release it.
-   It return value if initialization go good.
-   \sa releaseEngine 
-   \return Return true if engine works.
+   \return Value tells about monitoring system running
  */
-bool NmApiEventNotifierPrivate::initializeEngine()
+bool NmApiEventNotifierPrivate::start()
 {
     NM_FUNCTION;
     
-    if (!mEngine) {
-        mEngine = NmApiEngine::instance();
+    bool result(false);
+
+    if (mIsRunning) {
+        result = true;
     }
+    else {
+        qRegisterMetaType<QList<quint64> > ("QList<quint64>");
+        qRegisterMetaType<NmApiMessage> ("NmApiMessage");
 
-    return mEngine ? true : false;
+        connect(mEngine, SIGNAL(emailStoreEvent(NmApiMessage)), this,
+                SLOT(emailStoreEvent(NmApiMessage)));
+            
+        mEngine->startCollectingEvents();
+            
+        mEmitSignals->start();
+        mIsRunning = true;
+        result = true;
+    }
+    return result;
+}
+/*!
+   \brief Stop listening events.
+ */
+void NmApiEventNotifierPrivate::stop()
+{
+    mIsRunning = false;
+    mEmitSignals->stop();
+    disconnect(mEngine, SIGNAL(emailStoreEvent(NmApiMessage)), this,
+            SLOT(emailStoreEvent(NmApiMessage)));
 }
 
 /*!
-   \brief It release engine for email operations.
-   
-   \sa initializeEngine
+    Returns event buffer, after function call the buffer is empty
  */
-void NmApiEventNotifierPrivate::releaseEngine()
+void NmApiEventNotifierPrivate::events(QList<NmApiMessage> &events)
 {
-    NM_FUNCTION;
-    
-    if (mIsRunning) {
-        cancel();
-    }
-    else {
-        NmApiEngine::releaseInstance(mEngine);
+    while (!mBufferOfEvents.isEmpty()) {
+        events << mBufferOfEvents.takeFirst();
     }
 }
 
@@ -82,7 +113,6 @@
 void NmApiEventNotifierPrivate::emailStoreEvent(const NmApiMessage &events)
 {
     NM_FUNCTION;
-    
     mBufferOfEvents << events;
 }
 
@@ -97,12 +127,8 @@
     mIsRunning = false;
     mEmitSignals->stop();
 
-    if (mEngine) {
-        disconnect(mEngine, SIGNAL(emailStoreEvent(NmApiMessage)), this,
+    disconnect(mEngine, SIGNAL(emailStoreEvent(NmApiMessage)), this,
             SLOT(emailStoreEvent(NmApiMessage)));
-    }
-
-    releaseEngine();
 
     mBufferOfEvents.clear();
 }