WebView: Accept drops with urls and open them

First dropped url is opened with current webview, the others are
opened in new tabs

src/lib/webengine/webview.cpp

@@ -48,6 +48,7 @@
 #include <QWebEngineHistory>
 #include <QClipboard>
 #include <QHostInfo>
+#include <QMimeData>
 
 bool WebView::s_forceContextMenuOnMouseRelease = false;
 
@@ -67,6 +68,7 @@ WebView::WebView(QWidget* parent)
 
     m_currentZoomLevel = zoomLevels().indexOf(100);
 
+    setAcceptDrops(true);
     installEventFilter(this);
 
     WebInspector::registerView(this);
@@ -578,6 +580,30 @@ void WebView::userDefinedOpenUrlInBgTab(const QUrl &url)
     userDefinedOpenUrlInNewTab(actionUrl, true);
 }
 
+void WebView::dragEnterEvent(QDragEnterEvent *event)
+{
+    if (event->mimeData()->hasUrls()) {
+        event->accept();
+        return;
+    }
+
+    QWebEngineView::dragEnterEvent(event);
+}
+
+void WebView::dropEvent(QDropEvent *event)
+{
+    if (event->mimeData()->hasUrls()) {
+        const QList<QUrl> &urls = event->mimeData()->urls();
+        load(urls.at(0));
+        for (int i = 1; i < urls.size(); ++i) {
+            openUrlInNewTab(urls.at(i), Qz::NT_CleanSelectedTab);
+        }
+        return;
+    }
+
+    QWebEngineView::dropEvent(event);
+}
+
 void WebView::createContextMenu(QMenu *menu, const WebHitTestResult &hitTest)
 {
     // cppcheck-suppress variableScope

src/lib/webengine/webview.h

@@ -134,6 +134,8 @@ protected slots:
     void userDefinedOpenUrlInBgTab(const QUrl &url = QUrl());
 
 protected:
+    void dragEnterEvent(QDragEnterEvent *event);
+    void dropEvent(QDropEvent *event);
     void resizeEvent(QResizeEvent *event);
     void contextMenuEvent(QContextMenuEvent *event);
 
@@ -158,7 +160,6 @@ protected:
     void checkForForm(QAction *action, const QPoint &pos);
     void createSearchEngine();
 
-
 private slots:
     void addSpeedDial();
     void configureSpeedDial();