From 1f8ecb6d05976e6dc8be01ba1a6f3068ed351971 Mon Sep 17 00:00:00 2001
From: Mike Skec <skec@protonmail.ch>
Date: Wed, 17 Mar 2021 16:01:52 +1100
Subject: sessions: add 'lazyloading' for restored tabs

---
 src/browsertab.hpp |  2 ++
 src/main.cpp       | 12 ++++++++----
 src/mainwindow.cpp | 19 +++++++++++++++++--
 src/mainwindow.hpp |  5 ++++-
 4 files changed, 31 insertions(+), 7 deletions(-)

(limited to 'src')

diff --git a/src/browsertab.hpp b/src/browsertab.hpp
index 16bbfab..337f0f3 100644
--- a/src/browsertab.hpp
+++ b/src/browsertab.hpp
@@ -250,6 +250,8 @@ public:
 
     bool was_read_from_cache = false;
 
+    bool lazy_loading = false;
+
     RequestState request_state;
 
     DocumentStyle current_style;
diff --git a/src/main.cpp b/src/main.cpp
index b51dcb1..41f994c 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -347,7 +347,7 @@ MainWindow * kristall::openNewWindow(QVector<QUrl> const & urls)
 
     for(int i = 0; i < urls.length(); i++)
     {
-        window->addNewTab((i == 0), urls.at(i), "");
+        window->addNewTab((i == 0), urls.at(i), true, "");
     }
 
     window->show();
@@ -362,7 +362,7 @@ MainWindow * kristall::openNewWindow(QVector<PageMetadata> const & urls)
 
     for(int i = 0; i < urls.length(); i++)
     {
-        window->addNewTab((i == 0), urls.at(i).location, urls.at(i).title);
+        window->addNewTab((i == 0), urls.at(i).location, true, urls.at(i).title);
     }
 
     window->show();
@@ -721,8 +721,12 @@ int main(int argc, char *argv[])
 
             auto * const window = kristall::openNewWindow(urls);
 
-            int tab_index = settings.value("tab_index").toInt();
-            window->setCurrentTabIndex(tab_index);
+            if (window->tabCount() > 0)
+            {
+                int tab_index = settings.value("tab_index").toInt();
+                window->setCurrentTabIndex(tab_index);
+                window->curTab()->reloadPage();
+            }
 
             if(settings.contains("state")) {
                 window->restoreState(settings.value("state").toByteArray());
diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index 42b7831..9f7eb21 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -160,13 +160,23 @@ BrowserTab * MainWindow::addEmptyTab(bool focus_new, bool load_default)
     return tab;
 }
 
-BrowserTab * MainWindow::addNewTab(bool focus_new, QUrl const & url, QString defaultTitle)
+BrowserTab * MainWindow::addNewTab(bool focus_new, QUrl const & url, bool lazyload, QString defaultTitle)
 {
     auto tab = addEmptyTab(focus_new, false);
-    tab->navigateTo(url, BrowserTab::PushImmediate);
+
+    if (lazyload)
+    {
+        tab->current_location = url;
+        tab->lazy_loading = true;
+    }
+    else
+    {
+        tab->navigateTo(url, BrowserTab::PushImmediate);
+    }
 
     if (!defaultTitle.isEmpty())
     {
+        tab->page_title = defaultTitle;
         emit tab->titleChanged(defaultTitle);
     }
 
@@ -374,6 +384,11 @@ void MainWindow::on_browser_tabs_currentChanged(int index)
                 tab->refreshFavButton();
             }
 
+            if (tab->lazy_loading)
+            {
+                tab->reloadPage();
+            }
+
             this->setRequestState(tab->request_state);
         } else {
             this->ui->outline_view->setModel(nullptr);
diff --git a/src/mainwindow.hpp b/src/mainwindow.hpp
index f3e1442..4f482b8 100644
--- a/src/mainwindow.hpp
+++ b/src/mainwindow.hpp
@@ -31,7 +31,10 @@ public:
     ~MainWindow();
 
     BrowserTab * addEmptyTab(bool focus_new, bool load_default);
-    BrowserTab * addNewTab(bool focus_new, QUrl const & url, QString defaultTitle="");
+    BrowserTab * addNewTab(bool focus_new,
+        QUrl const & url,
+        bool lazyload=false,
+        QString defaultTitle="");
     BrowserTab * curTab() const;
     BrowserTab * tabAt(int index) const;
     int tabCount() const;
-- 
cgit v1.2.3