TabModel: add CurrentTabRole and LoadingRole

src/lib/tabwidget/tabmodel.cpp

@@ -89,6 +89,12 @@ QVariant TabModel::data(const QModelIndex &index, int role) const
     case RestoredRole:
         return t->isRestored();
 
+    case CurrentTabRole:
+        return t->isCurrentTab();
+
+    case LoadingRole:
+        return t->isLoading();
+
     default:
         return QVariant();
     }
@@ -196,6 +202,8 @@ void TabModel::tabInserted(int index)
     connect(tab, &WebTab::iconChanged, this, std::bind(emitDataChanged, tab, IconRole));
     connect(tab, &WebTab::pinnedChanged, this, std::bind(emitDataChanged, tab, PinnedRole));
     connect(tab, &WebTab::restoredChanged, this, std::bind(emitDataChanged, tab, RestoredRole));
+    connect(tab, &WebTab::currentTabChanged, this, std::bind(emitDataChanged, tab, CurrentTabRole));
+    connect(tab, &WebTab::loadingChanged, this, std::bind(emitDataChanged, tab, LoadingRole));
 }
 
 void TabModel::tabRemoved(int index)

src/lib/tabwidget/tabmodel.h

@@ -34,7 +34,9 @@ public:
         TitleRole = Qt::UserRole + 2,
         IconRole = Qt::UserRole + 3,
         PinnedRole = Qt::UserRole + 4,
-        RestoredRole = Qt::UserRole + 5
+        RestoredRole = Qt::UserRole + 5,
+        CurrentTabRole = Qt::UserRole + 6,
+        LoadingRole = Qt::UserRole + 7,
     };
 
     explicit TabModel(BrowserWindow *window, QObject *parent = nullptr);

src/lib/webtab/webtab.cpp

@@ -164,6 +164,8 @@ WebTab::WebTab(QWidget *parent)
     connect(m_webView, &TabbedWebView::titleChanged, this, &WebTab::titleWasChanged);
     connect(m_webView, &TabbedWebView::titleChanged, this, &WebTab::titleChanged);
     connect(m_webView, &TabbedWebView::iconChanged, this, &WebTab::iconChanged);
+    connect(m_webView, &TabbedWebView::loadStarted, this, std::bind(&WebTab::loadingChanged, this, true));
+    connect(m_webView, &TabbedWebView::loadFinished, this, std::bind(&WebTab::loadingChanged, this, false));
 
     // Workaround QTabBar not immediately noticing resizing of tab buttons
     connect(m_tabIcon, &TabIcon::resized, this, [this]() {
@@ -300,6 +302,12 @@ void WebTab::detach()
     // Detach TabbedWebView
     m_webView->setBrowserWindow(nullptr);
 
+    if (m_isCurrentTab) {
+        m_isCurrentTab = false;
+        emit currentTabChanged(m_isCurrentTab);
+    }
+    m_tabBar->disconnect(this);
+
     // WebTab is now standalone widget
     m_window = nullptr;
     m_tabBar = nullptr;
@@ -315,6 +323,17 @@ void WebTab::attach(BrowserWindow* window)
     m_tabBar->setTabText(tabIndex(), title());
     m_tabBar->setTabButton(tabIndex(), m_tabBar->iconButtonPosition(), m_tabIcon);
     m_tabIcon->updateIcon();
+
+    auto currentChanged = [this](int index) {
+        const bool wasCurrent = m_isCurrentTab;
+        m_isCurrentTab = index == tabIndex();
+        if (wasCurrent != m_isCurrentTab) {
+            emit currentTabChanged(m_isCurrentTab);
+        }
+    };
+
+    currentTabChanged(m_tabBar->currentIndex());
+    connect(m_tabBar, &TabBar::currentChanged, this, currentChanged);
 }
 
 QByteArray WebTab::historyData() const
@@ -528,7 +547,7 @@ void WebTab::titleWasChanged(const QString &title)
         return;
     }
 
-    if (isCurrentTab()) {
+    if (m_isCurrentTab) {
         m_window->setWindowTitle(tr("%1 - Falkon").arg(title));
     }
 
@@ -560,14 +579,12 @@ void WebTab::resizeEvent(QResizeEvent *event)
 
 bool WebTab::isCurrentTab() const
 {
-    return m_tabBar && tabIndex() == m_tabBar->currentIndex();
+    return m_isCurrentTab;
 }
 
 int WebTab::tabIndex() const
 {
-    Q_ASSERT(m_tabBar);
-
-    return m_tabBar->tabWidget()->indexOf(const_cast<WebTab*>(this));
+    return m_tabBar ? m_tabBar->tabWidget()->indexOf(const_cast<WebTab*>(this)) : -1;
 }
 
 void WebTab::togglePinned()

src/lib/webtab/webtab.h

@@ -122,6 +122,8 @@ signals:
     void iconChanged(const QIcon &icon);
     void pinnedChanged(bool pinned);
     void restoredChanged(bool restored);
+    void currentTabChanged(bool current);
+    void loadingChanged(bool loading);
     void parentTabChanged(WebTab *tab);
     void childTabAdded(WebTab *tab, int index);
     void childTabRemoved(WebTab *tab, int index);
@@ -146,6 +148,7 @@ private:
 
     SavedTab m_savedTab;
     bool m_isPinned = false;
+    bool m_isCurrentTab = false;
 };
 
 #endif // WEBTAB_H