wasm: Add DOM accessors functions through NativeInterface

Expose document and clientArea emscripten objects through
NativeInterface.
This is required by WebView implementation for wasm platform.

Task-number: QTBUG-75183
Change-Id: I6f2f084a9dbceb80d2186c7395c008f268a91e39
Reviewed-by: Tor Arne Vestbø <[email protected]>
Reviewed-by: Mikołaj Boc <[email protected]>

1 files changed, 6 insertions, 1 deletions

diff --git a/src/plugins/platforms/wasm/qwasmwindow.h b/src/plugins/platforms/wasm/qwasmwindow.h
index 661a5160e89..f191c909542 100644
--- a/src/plugins/platforms/wasm/qwasmwindow.h
+++ b/src/plugins/platforms/wasm/qwasmwindow.h
@@ -6,6 +6,7 @@
 
 #include "qwasmintegration.h"
 #include <qpa/qplatformwindow.h>
+#include <qpa/qplatformwindow_p.h>
 #include <emscripten/html5.h>
 #include "qwasmbackingstore.h"
 #include "qwasmscreen.h"
@@ -37,7 +38,7 @@ struct PointerEvent;
 class QWasmDeadKeySupport;
 struct WheelEvent;
 
-class QWasmWindow final : public QPlatformWindow
+class QWasmWindow final : public QPlatformWindow, public QNativeInterface::Private::QWasmWindow
 {
 public:
     QWasmWindow(QWindow *w, QWasmDeadKeySupport *deadKeySupport, QWasmCompositor *compositor,
@@ -91,6 +92,10 @@ public:
     emscripten::val a11yContainer() const { return m_a11yContainer; }
     emscripten::val inputHandlerElement() const { return m_windowContents; }
 
+    // QNativeInterface::Private::QWasmWindow
+    emscripten::val document() const override { return m_document; }
+    emscripten::val clientArea() const override { return m_qtWindow; }
+
 private:
     friend class QWasmScreen;
     static constexpr auto minSizeForRegularWindows = 100;