status bar: New file cache indicator

Mime label was also simplified so that only type/subtype are shown.

src/browsertab.cpp

@@ -516,6 +516,7 @@ void BrowserTab::on_requestComplete(const QByteArray &ref_data, const MimeType &
     this->current_stats.file_size = ref_data.size();
     this->current_stats.mime_type = mime;
     this->current_stats.loading_time = this->timer.elapsed();
+    this->current_stats.loaded_from_cache = was_read_from_cache;
     emit this->fileLoaded(this->current_stats);
 
     this->updateMouseCursor(false);
@@ -1171,6 +1172,7 @@ void BrowserTab::on_requestProgress(qint64 transferred)
     this->current_stats.file_size = transferred;
     this->current_stats.mime_type = MimeType { };
     this->current_stats.loading_time = this->timer.elapsed();
+    this->current_stats.loaded_from_cache = false;
     emit this->fileLoaded(this->current_stats);
 
     this->network_timeout_timer.stop();

src/browsertab.hpp

@@ -34,6 +34,7 @@ struct DocumentStats
     int loading_time = 0; // in ms
     MimeType mime_type;
     qint64 file_size = 0;
+    bool loaded_from_cache = false;
 
     bool isValid() const {
         return mime_type.isValid();

src/mainwindow.cpp

@@ -24,6 +24,7 @@ MainWindow::MainWindow(QApplication * app, QWidget *parent) :
     ui(new Ui::MainWindow),
     url_status(new ElideLabel(this)),
     file_size(new QLabel(this)),
+    file_cached(new QLabel(this)),
     file_mime(new QLabel(this)),
     load_time(new QLabel(this))
 {
@@ -32,6 +33,7 @@ MainWindow::MainWindow(QApplication * app, QWidget *parent) :
     this->url_status->setElideMode(Qt::ElideMiddle);
 
     this->statusBar()->addWidget(this->url_status);
+    this->statusBar()->addPermanentWidget(this->file_cached);
     this->statusBar()->addPermanentWidget(this->file_mime);
     this->statusBar()->addPermanentWidget(this->file_size);
     this->statusBar()->addPermanentWidget(this->load_time);
@@ -419,10 +421,12 @@ void MainWindow::setFileStatus(const DocumentStats &stats)
 {
     if(stats.isValid()) {
         this->file_size->setText(IoUtil::size_human(stats.file_size));
-        this->file_mime->setText(stats.mime_type.toString());
+        this->file_cached->setText(stats.loaded_from_cache ? "(cached)" : "");
+        this->file_mime->setText(stats.mime_type.toString(false));
         this->load_time->setText(QString("%1 ms").arg(stats.loading_time));
     } else {
         this->file_size->setText("");
+        this->file_cached->setText("");
         this->file_mime->setText("");
         this->load_time->setText("");
     }

src/mainwindow.hpp

@@ -114,6 +114,7 @@ private:
 
     ElideLabel * url_status;
     QLabel * file_size;
+    QLabel * file_cached;
     QLabel * file_mime;
     QLabel * load_time;
 };

src/mimeparser.cpp

@@ -20,18 +20,23 @@ QString MimeType::parameter(const QString &param_name, QString const & default_v
     return val;
 }
 
-QString MimeType::toString() const
+QString MimeType::toString(bool full) const
 {
     if(isValid()) {
         QString result = type;
         if(not subtype.isEmpty())
             result += "/" + subtype;
-        for(auto const & key : parameters.keys()) {
-            result += "; ";
-            result += key;
-            result += "=";
-            result += parameters[key];
+
+        if (full)
+        {
+            for(auto const & key : parameters.keys()) {
+                result += "; ";
+                result += key;
+                result += "=";
+                result += parameters[key];
+            }
         }
+
         return result;
     } else {
         return QString { };

src/mimeparser.hpp

@@ -19,7 +19,7 @@ struct MimeType
         return not type.isEmpty();
     }
 
-    QString toString() const;
+    QString toString(bool full = true) const;
 };
 
 struct MimeParser