gecko-dev/accessible/ios/RootAccessibleWrap.mm
Eitan Isaacson 6ea9f2f39d Bug 1851273 - P3: Implement minimal UIKit a11y. r=Jamie,morgan,nlapre,nika
Implement some UIAccessibility and UIAccessibilityContainer for gecko wrapper objects.

Differential Revision: https://phabricator.services.mozilla.com/D187330
2024-03-04 21:11:50 +00:00

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/* 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);
}