1 files changed, 50 insertions, 0 deletions
diff --git a/accessible/ios/RootAccessibleWrap.mm b/accessible/ios/RootAccessibleWrap.mm
new file mode 100644
index 0000000000..1d2a404161
--- /dev/null
+++ b/accessible/ios/RootAccessibleWrap.mm
@@ -0,0 +1,50 @@
+/* clang-format off */
+/* -*- Mode: Objective-C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* clang-format on */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "RootAccessibleWrap.h"
+
+#include "MUIRootAccessible.h"
+
+#include "gfxPlatform.h"
+#include "nsCOMPtr.h"
+#include "nsObjCExceptions.h"
+#include "nsIFrame.h"
+#include "nsView.h"
+#include "nsIWidget.h"
+
+using namespace mozilla;
+using namespace mozilla::a11y;
+
+RootAccessibleWrap::RootAccessibleWrap(dom::Document* aDocument,
+                                       PresShell* aPresShell)
+    : RootAccessible(aDocument, aPresShell) {}
+
+void RootAccessibleWrap::GetNativeWidget(void** aOutView) {
+  nsIFrame* frame = GetFrame();
+  if (frame) {
+    nsView* view = frame->GetView();
+    if (view) {
+      nsIWidget* widget = view->GetWidget();
+      if (widget) {
+        *aOutView = (void**)widget->GetNativeData(NS_NATIVE_WIDGET);
+        MOZ_DIAGNOSTIC_ASSERT(*aOutView, "Couldn't get the native UIView!");
+      }
+    }
+  }
+}
+
+CGRect RootAccessibleWrap::DevPixelsRectToUIKit(
+    const LayoutDeviceIntRect& aRect) {
+  UIView* nativeWidget = nil;
+  GetNativeWidget((void**)&nativeWidget);
+  CGRect rootFrame = [nativeWidget accessibilityFrame];
+  CGFloat scale = [nativeWidget contentScaleFactor];
+  return CGRectMake(((CGFloat)aRect.x / scale) + rootFrame.origin.x,
+                    ((CGFloat)aRect.y / scale) + rootFrame.origin.y,
+                    (CGFloat)aRect.width / scale,
+                    (CGFloat)aRect.height / scale);
+}