Work on network managers.

CMakeLists.txt

@@ -264,6 +264,7 @@ set(APP_SOURCES
   src/core/basenetworkaccessmanager.cpp
   src/core/webpage.cpp
   src/core/webbrowsernetworkaccessmanager.cpp
+  src/core/silentnetworkaccessmanager.cpp
   src/core/textfactory.cpp
   src/core/databasefactory.cpp
   src/core/messagesmodel.cpp
@@ -318,6 +319,7 @@ set(APP_HEADERS
   src/core/settings.h
   src/core/basenetworkaccessmanager.h
   src/core/webbrowsernetworkaccessmanager.h
+  src/core/silentnetworkaccessmanager.h
   src/core/webpage.h
   src/core/systemfactory.h
   src/core/databasefactory.h

src/core/basenetworkaccessmanager.cpp

@@ -13,23 +13,22 @@ BaseNetworkAccessManager::BaseNetworkAccessManager(QObject *parent)
 }
 
 BaseNetworkAccessManager::~BaseNetworkAccessManager() {
-  qDebug("Destroying BaseNetworkAccessManager instance.");
 }
 
 void BaseNetworkAccessManager::loadSettings() {
   qDebug("Settings of BaseNetworkAccessManager changed.");
 
   QNetworkProxy new_proxy;
-
-  // Load proxy values from settings.
   QNetworkProxy::ProxyType selected_proxy_type = static_cast<QNetworkProxy::ProxyType>(Settings::getInstance()->value(APP_CFG_PROXY,
                                                                                                                       "proxy_type",
                                                                                                                       QNetworkProxy::NoProxy).toInt());
+
   if (selected_proxy_type == QNetworkProxy::NoProxy) {
     // No extra setting is needed, set new proxy and exit this method.
     setProxy(QNetworkProxy::NoProxy);
     return;
   }
+
   Settings *settings = Settings::getInstance();
 
   // Custom proxy is selected, set it up.

src/core/basenetworkaccessmanager.h

@@ -19,6 +19,7 @@ class BaseNetworkAccessManager : public QNetworkAccessManager {
     virtual void loadSettings();
 
   protected:
+
     QNetworkReply *createRequest(Operation op,
                                  const QNetworkRequest &request,
                                  QIODevice *outgoingData);

src/core/feeddownloader.cpp

@@ -1,11 +1,15 @@
 #include "core/feeddownloader.h"
 
 #include "core/feedsmodelfeed.h"
+#include "core/silentnetworkaccessmanager.h"
 
 #include <QThread>
 #include <QDebug>
+#include <QApplication>
 
 
+QPointer<SilentNetworkAccessManager> FeedDownloader::m_networkManager;
+
 FeedDownloader::FeedDownloader(QObject *parent) : QObject(parent) {
 }
 
@@ -13,7 +17,26 @@ FeedDownloader::~FeedDownloader() {
   qDebug("Destroying FeedDownloader instance.");
 }
 
+SilentNetworkAccessManager *FeedDownloader::globalNetworkManager() {
+  if (m_networkManager.isNull()) {
+    m_networkManager = new SilentNetworkAccessManager(qApp);
+  }
+
+  return m_networkManager;
+}
+
 void FeedDownloader::updateFeeds(const QList<FeedsModelFeed *> &feeds) {
   qDebug().nospace() << "Creating main application form in thread: \'" <<
                         QThread::currentThreadId() << "\'.";
+
+  for (int i = 0, total = feeds.size(); i < total; i++) {
+    feeds.at(i)->update();
+    emit progress(feeds.at(i), i + 1, total);
+  }
+
+  // Update of feeds has finished.
+  // NOTE: This means that now "update lock" can be unlocked
+  // and feeds can be added/edited/deleted and application
+  // can eventually quit.
+  emit finished();
 }

src/core/feeddownloader.h

@@ -2,9 +2,11 @@
 #define FEEDDOWNLOADER_H
 
 #include <QObject>
+#include <QPointer>
 
 
 class FeedsModelFeed;
+class SilentNetworkAccessManager;
 
 // This class offers means to "update" feeds
 // and "special" categories.
@@ -17,13 +19,21 @@ class FeedDownloader : public QObject {
     explicit FeedDownloader(QObject *parent = 0);
     virtual ~FeedDownloader();
 
+    // Returns pointer to global network access manager
+    // for feed online operations (primarily fetchich of new messages).
+    // NOTE: All feed online operations shar network access manager,
+    // which makes setting of custom network settings easy.
+    static SilentNetworkAccessManager *globalNetworkManager();
+
   signals:
     // Emitted if all items from update queue are
     // processed.
     void finished();
 
     // Emitted if any item is processed.
-    // "Current" counts
+    // "Current" number indicates count of processed feeds
+    // and "total" number indicates total number of feeds
+    // which are in the initial queue.
     void progress(FeedsModelFeed *feed, int current, int total);
 
   public slots:
@@ -32,6 +42,9 @@ class FeedDownloader : public QObject {
     // are stored persistently in the database.
     // Appropriate signals are emitted.
     void updateFeeds(const QList<FeedsModelFeed*> &feeds);
+
+  private:
+    static QPointer<SilentNetworkAccessManager> m_networkManager;
 };
 
 #endif // FEEDDOWNLOADER_H

src/core/parsingfactory.h

@@ -6,8 +6,12 @@
 #include <QList>
 
 
+// This class contains methods to
+// parse input Unicode textual data into
+// another objects.
 class ParsingFactory {
   private:
+    // Constructors and destructors.
     explicit ParsingFactory();
 
   public:

src/core/silentnetworkaccessmanager.cpp

@@ -0,0 +1,10 @@
+#include "core/silentnetworkaccessmanager.h"
+
+
+SilentNetworkAccessManager::SilentNetworkAccessManager(QObject *parent)
+  : BaseNetworkAccessManager(parent) {
+}
+
+SilentNetworkAccessManager::~SilentNetworkAccessManager() {
+  qDebug("Destroying SilentNetworkAccessManages instance.");
+}

src/core/silentnetworkaccessmanager.h

@@ -0,0 +1,17 @@
+#ifndef SILENTNETWORKACCESSMANAGES_H
+#define SILENTNETWORKACCESSMANAGES_H
+
+#include "core/basenetworkaccessmanager.h"
+
+
+// Network manager used for more communication for feeds.
+class SilentNetworkAccessManager : public BaseNetworkAccessManager {
+    Q_OBJECT
+
+  public:
+    // Constructors and destructors.
+    explicit SilentNetworkAccessManager(QObject *parent = 0);
+    virtual ~SilentNetworkAccessManager();
+};
+
+#endif // SILENTNETWORKACCESSMANAGES_H

src/core/textfactory.h

@@ -8,6 +8,7 @@
 
 class TextFactory {
   private:
+    // Constructors and destructors.
     explicit TextFactory();
 
   public:
@@ -15,7 +16,7 @@ class TextFactory {
     // Returns invalid date/time if processing fails.
     static QDateTime parseDateTime(const QString &date_time);
 
-    // Strips "<....>" tags from given text.
+    // Strips "<....>" (HTML, XML) tags from given text.
     static QString stripTags(QString text);
 
     // Shortens input string according to given length limit.

src/core/webbrowsernetworkaccessmanager.h

@@ -4,7 +4,7 @@
 #include "core/basenetworkaccessmanager.h"
 
 
-// This is custom network access manager for web browsers.
+// This is network access manager for web browsers.
 class WebBrowserNetworkAccessManager : public BaseNetworkAccessManager {
     Q_OBJECT
 

src/gui/formsettings.cpp

@@ -4,8 +4,10 @@
 #include "core/settings.h"
 #include "core/localization.h"
 #include "core/systemfactory.h"
+#include "core/feeddownloader.h"
 #include "core/dynamicshortcuts.h"
 #include "core/webbrowsernetworkaccessmanager.h"
+#include "core/silentnetworkaccessmanager.h"
 #include "gui/iconthemefactory.h"
 #include "gui/skinfactory.h"
 #include "gui/systemtrayicon.h"
@@ -363,6 +365,7 @@ void FormSettings::saveProxy() {
 
   // Reload settings for all network access managers.
   WebBrowser::globalNetworkManager()->loadSettings();
+  FeedDownloader::globalNetworkManager()->loadSettings();
 }
 
 void FormSettings::loadLanguage() {