/* clang-format off */
/* 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 "nsIWidget.h"

using namespace mozilla;
using namespace mozilla::a11y;

RootAccessibleWrap::RootAccessibleWrap(dom::Document* aDocument,
                                       PresShell* aPresShell)
    : RootAccessible(aDocument, aPresShell) {}

void RootAccessibleWrap::GetNativeWidget(void** aOutView) {
  if (nsIFrame* frame = GetFrame()) {
    if (nsIWidget* widget = frame->GetOwnWidget()) {
      *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);
}
