From 72219b94111542eb45cf8b93ad12c47f1d33aaa8 Mon Sep 17 00:00:00 2001
From: Andrea Diamantini <adjam7@gmail.com>
Date: Tue, 27 Sep 2011 13:00:01 +0200
Subject: Fix session manager restore

I think we need to consider the two cases (normal restore vs restore
from crash) in different ways.
---
 src/application.cpp    | 15 ++++++++-----
 src/sessionmanager.cpp | 61 +++++++++++++++++++++++++++++++++++++++++++++++++-
 src/sessionmanager.h   |  7 +++---
 src/webtab.cpp         |  2 +-
 4 files changed, 75 insertions(+), 10 deletions(-)

diff --git a/src/application.cpp b/src/application.cpp
index 627536da..985de818 100644
--- a/src/application.cpp
+++ b/src/application.cpp
@@ -223,7 +223,7 @@ int Application::newInstance()
                 loadUrl(KUrl("about:home"), Rekonq::NewWindow);
                 break;
             case 2: // restore session
-                if (sessionManager()->restoreSession())
+                if (sessionManager()->restoreSessionFromScratch())
                 {
                     break;
                 }
@@ -251,6 +251,11 @@ int Application::newInstance()
         }
     }
 
+    if (!isRekonqCrashed)
+    {
+        sessionManager()->setSessionManagementEnabled(true);
+    }
+
     if (isFirstLoad)
     {
         // give me some time to do the other things..
@@ -275,7 +280,6 @@ void Application::postLaunch()
     setWindowIcon(KIcon("rekonq"));
 
     historyManager();
-    sessionManager()->setSessionManagementEnabled(true);
 
     // bookmarks loading
     connect(bookmarkProvider(), SIGNAL(openUrl(const KUrl&, const Rekonq::OpenType&)),
@@ -668,7 +672,9 @@ void Application::setPrivateBrowsingMode(bool b)
         QString text = i18n("<b>%1</b>"
                             "<p>rekonq will save your current tabs for when you'll stop private browsing the net.</p>", caption);
 
-        int button = KMessageBox::warningContinueCancel(mainWindow(), text, caption, KStandardGuiItem::cont(), KStandardGuiItem::cancel(), i18n("don't ask again"));
+        int button = KMessageBox::warningContinueCancel(mainWindow(),
+                     text, caption, KStandardGuiItem::cont(), KStandardGuiItem::cancel(),
+                     i18n("don't ask again"));
         if (button != KMessageBox::Continue)
             return;
 
@@ -691,8 +697,7 @@ void Application::setPrivateBrowsingMode(bool b)
         settings->setAttribute(QWebSettings::PrivateBrowsingEnabled, false);
         _privateBrowsingAction->setChecked(false);
 
-        loadUrl(KUrl("about:blank"), Rekonq::NewWindow);
-        if (!sessionManager()->restoreSession())
+        if (!sessionManager()->restoreSessionFromScratch())
             loadUrl(KUrl("about:home"), Rekonq::NewWindow);
     }
 }
diff --git a/src/sessionmanager.cpp b/src/sessionmanager.cpp
index c4697f4b..0548db3d 100644
--- a/src/sessionmanager.cpp
+++ b/src/sessionmanager.cpp
@@ -103,7 +103,7 @@ void SessionManager::saveSession()
 }
 
 
-bool SessionManager::restoreSession()
+bool SessionManager::restoreSessionFromScratch()
 {
     QFile sessionFile(m_sessionFilePath);
     if (!sessionFile.exists())
@@ -166,6 +166,65 @@ bool SessionManager::restoreSession()
 }
 
 
+void SessionManager::restoreCrashedSession()
+{
+    setSessionManagementEnabled(true);
+
+    QFile sessionFile(m_sessionFilePath);
+    if (!sessionFile.exists())
+    {
+        kDebug() << "Unable to find session file" << sessionFile.fileName();
+        return;
+    }
+
+    if (!sessionFile.open(QFile::ReadOnly))
+    {
+        kDebug() << "Unable to open session file" << sessionFile.fileName();
+        return;
+    }
+
+    QDomDocument document("session");
+    if (!document.setContent(&sessionFile, false))
+    {
+        kDebug() << "Unable to parse session file" << sessionFile.fileName();
+        return;
+    }
+
+    setSessionManagementEnabled(false);
+
+    for (unsigned int winNo = 0; winNo < document.elementsByTagName("window").length(); winNo++)
+    {
+        QDomElement window = document.elementsByTagName("window").at(winNo).toElement();
+        int currentTab = 0;
+
+        MainView *mv = (winNo == 0) ? rApp->mainWindow()->mainView() : rApp->newMainWindow()->mainView();
+
+        for (unsigned int tabNo = 0; tabNo < window.elementsByTagName("tab").length(); tabNo++)
+        {
+            QDomElement tab = window.elementsByTagName("tab").at(tabNo).toElement();
+            if (tab.hasAttribute("currentTab"))
+                currentTab = tabNo;
+
+            WebView *view = (tabNo == 0) ? mv->webTab(0)->view() : mv->newWebTab()->view();
+
+            QDomCDATASection historySection = tab.firstChild().toCDATASection();
+            QByteArray history = QByteArray::fromBase64(historySection.data().toAscii());
+
+            QDataStream readingStream(&history, QIODevice::ReadOnly);
+            readingStream >> *(view->history());
+
+            // Get sure about urls are loaded
+            KUrl u = KUrl(tab.attribute("url"));
+            if (u.protocol() == QL1S("about"))
+                view->load(u);
+        }
+        mv->tabBar()->setCurrentIndex(currentTab);
+    }
+
+    setSessionManagementEnabled(true);
+}
+
+
 QList<TabHistory> SessionManager::closedSites()
 {
     QList<TabHistory> list;
diff --git a/src/sessionmanager.h b/src/sessionmanager.h
index fa23623e..ae6caaa2 100644
--- a/src/sessionmanager.h
+++ b/src/sessionmanager.h
@@ -57,11 +57,12 @@ public:
 
     QList<TabHistory> closedSites();
 
-public slots:
-    bool restoreSession();
+public Q_SLOTS:
+    bool restoreSessionFromScratch();
 
-private slots:
+private Q_SLOTS:
     void saveSession();
+    void restoreCrashedSession();
 
 private:
     QString m_sessionFilePath;
diff --git a/src/webtab.cpp b/src/webtab.cpp
index 9b1a31f9..61c9077f 100644
--- a/src/webtab.cpp
+++ b/src/webtab.cpp
@@ -310,5 +310,5 @@ void WebTab::showMessageBar()
     qobject_cast<QVBoxLayout *>(layout())->insertWidget(0, msgBar);
     msgBar->animatedShow();
 
-    connect(msgBar, SIGNAL(accepted()), rApp->sessionManager(), SLOT(restoreSession()));
+    connect(msgBar, SIGNAL(accepted()), rApp->sessionManager(), SLOT(restoreCrashedSession()));
 }
-- 
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