Implement drag and drop support

Create a QDrag for drag and drop operations that are started in the web
page. React on drag and drop event of QWidget and QQuickItem.

Task-number: QTBUG-43008
Change-Id: If09f09de6e6d5b5f02835985a17cc6bc3262f411
Reviewed-by: Alexandru Croitor <alexandru.croitor@theqtcompany.com>
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@theqtcompany.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/src/core/web_contents_adapter_p.h b/src/core/web_contents_adapter_p.h
index 093b9059d..63f075bce 100644
--- a/src/core/web_contents_adapter_p.h
+++ b/src/core/web_contents_adapter_p.h
@@ -50,6 +50,7 @@
 
 #include "web_contents_adapter.h"
 
+#include <base/callback.h>
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 
@@ -57,6 +58,12 @@
 
 QT_FORWARD_DECLARE_CLASS(QWebChannel)
 
+class WebEngineContext;
+
+namespace content {
+struct DropData;
+}
+
 namespace QtWebEngineCore {
 
 class BrowserContextAdapter;
@@ -81,6 +88,10 @@ public:
     WebContentsAdapterClient *adapterClient;
     quint64 nextRequestId;
     int lastFindRequestId;
+    const content::DropData *currentDropData;
+    Qt::DropAction currentDropAction;
+    bool inDragUpdateLoop;
+    base::Closure dragUpdateLoopQuitClosure;
 };
 
 } // namespace QtWebEngineCore