Merge pull request #1364 from pejakm/wof

Implement offline mode. Closes #1241

src/lib/app/browserwindow.cpp

@@ -814,6 +814,15 @@ void BrowserWindow::toggleFullScreen()
     }
 }
 
+void BrowserWindow::toggleOfflineMode()
+{
+    bool enable = !qzSettings->workOffline;
+
+    Settings().setValue("Web-Browser-Settings/WorkOffline", enable);
+    
+    qzSettings->workOffline = enable;
+}
+
 void BrowserWindow::showWebInspector()
 {
     if (weView() && weView()->webTab()) {

src/lib/app/browserwindow.h

@@ -134,6 +134,7 @@ public slots:
 
     void toggleCaretBrowsing();
     void toggleFullScreen();
+    void toggleOfflineMode();
 
     void loadActionUrl(QObject* obj = 0);
     void loadActionUrlInNewTab(QObject* obj = 0);

src/lib/app/mainmenu.cpp

@@ -31,6 +31,7 @@
 #include "mainapplication.h"
 #include "browsinglibrary.h"
 #include "clearprivatedata.h"
+#include "qzsettings.h"
 
 #include <QApplication>
 #include <QMetaObject>
@@ -103,8 +104,10 @@ void MainMenu::initSuperMenu(QMenu* superMenu) const
     superMenu->addAction(m_actions[QSL("Help/InfoAboutApp")]);
     superMenu->addAction(m_actions[QSL("Help/ConfigInfo")]);
     superMenu->addAction(m_actions[QSL("Help/ReportIssue")]);
+    superMenu->addAction(m_actions[QSL("File/WorkOffline")]);
     superMenu->addSeparator();
     superMenu->addAction(m_actions[QSL("Standard/Quit")]);
+    m_actions[QSL("File/WorkOffline")]->setChecked(qzSettings->workOffline);
 }
 
 QAction* MainMenu::action(const QString &name) const
@@ -185,6 +188,11 @@ void MainMenu::printPage()
     callSlot("printPage");
 }
 
+void MainMenu::toggleOfflineMode()
+{
+    callSlot("toggleOfflineMode");
+}
+
 void MainMenu::editUndo()
 {
     if (m_window) {
@@ -529,6 +537,8 @@ void MainMenu::init()
     ADD_ACTION("File/SendLink", m_menuFile, QIcon::fromTheme(QSL("mail-message-new")), tr("Send Link..."), SLOT(sendLink()), "");
     ADD_ACTION("File/Print", m_menuFile, QIcon::fromTheme(QSL("document-print")), tr("&Print..."), SLOT(printPage()), "Ctrl+P");
     m_menuFile->addSeparator();
+    ADD_CHECKABLE_ACTION("File/WorkOffline", m_menuFile, QIcon(), tr("Work &Offline"), SLOT(toggleOfflineMode()), "");
+    m_menuFile->addSeparator();
     m_menuFile->addAction(m_actions[QSL("Standard/Quit")]);
 
     // Edit menu

src/lib/app/mainmenu.h

@@ -57,6 +57,7 @@ private slots:
     void openLocation();
     void openFile();
     void closeWindow();
+    void toggleOfflineMode();
     void savePageAs();
     void savePageScreen();
     void sendLink();

src/lib/network/networkmanager.cpp

@@ -27,6 +27,7 @@
 #include "networkproxyfactory.h"
 #include "certificateinfowidget.h"
 #include "qztools.h"
+#include "qzsettings.h"
 #include "acceptlanguage.h"
 #include "cabundleupdater.h"
 #include "settings.h"
@@ -512,6 +513,10 @@ QNetworkReply* NetworkManager::createRequest(QNetworkAccessManager::Operation op
     QNetworkRequest req = request;
     QNetworkReply* reply = 0;
 
+    if (qzSettings->workOffline) {
+        req.setAttribute(QNetworkRequest::CacheLoadControlAttribute, QNetworkRequest::AlwaysCache);
+    }
+
     // SchemeHandlers
     if (m_schemeHandlers.contains(req.url().scheme())) {
         reply = m_schemeHandlers[req.url().scheme()]->createRequest(op, req, outgoingData);

src/lib/other/qzsettings.cpp

@@ -54,6 +54,7 @@ void QzSettings::loadSettings()
     allowJsHideStatusBar = settings.value("allowJavaScriptHideStatusBar", true).toBool();
     allowJsHideToolBar = settings.value("allowJavaScriptHideToolBar", true).toBool();
     enableFormsUndoRedo = settings.value("enableFormsUndoRedo", true).toBool();
+    workOffline = settings.value("WorkOffline", false).toBool();
     settings.endGroup();
 
     settings.beginGroup("Browser-Tabs-Settings");

src/lib/other/qzsettings.h

@@ -54,6 +54,7 @@ public:
     bool allowJsHideStatusBar;
     bool allowJsHideToolBar;
     bool enableFormsUndoRedo;
+    bool workOffline;
 
     QStringList autoOpenProtocols;
     QStringList blockedProtocols;