diff options
Diffstat (limited to 'src/plugins/platforms/ios/qiosplatformaccessibility.mm')
-rw-r--r-- | src/plugins/platforms/ios/qiosplatformaccessibility.mm | 72 |
1 files changed, 29 insertions, 43 deletions
diff --git a/src/plugins/platforms/ios/qiosplatformaccessibility.mm b/src/plugins/platforms/ios/qiosplatformaccessibility.mm index aef4216e03..eb18ee637e 100644 --- a/src/plugins/platforms/ios/qiosplatformaccessibility.mm +++ b/src/plugins/platforms/ios/qiosplatformaccessibility.mm @@ -1,48 +1,15 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the plugins of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only + +#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses #include "qiosplatformaccessibility.h" -#ifndef QT_NO_ACCESSIBILITY +#if QT_CONFIG(accessibility) #include <QtGui/QtGui> #include "qioswindow.h" +#include "quiaccessibilityelement.h" QIOSPlatformAccessibility::QIOSPlatformAccessibility() {} @@ -61,8 +28,6 @@ void invalidateCache(QAccessibleInterface *iface) // This will invalidate everything regardless of what window the // interface belonged to. We might want to revisit this strategy later. // (Therefore this function still takes the interface as argument) - // It is also responsible for the bug that focus gets temporary lost - // when items get added or removed from the screen foreach (QWindow *win, QGuiApplication::topLevelWindows()) { if (win && win->handle()) { QT_PREPEND_NAMESPACE(QIOSWindow) *window = static_cast<QT_PREPEND_NAMESPACE(QIOSWindow) *>(win->handle()); @@ -74,14 +39,35 @@ void invalidateCache(QAccessibleInterface *iface) void QIOSPlatformAccessibility::notifyAccessibilityUpdate(QAccessibleEvent *event) { - if (!isActive() || !event->accessibleInterface()) + auto *accessibleInterface = event->accessibleInterface(); + if (!isActive() || !accessibleInterface) return; switch (event->type()) { + case QAccessible::Focus: { + auto *element = [QMacAccessibilityElement elementWithId:event->uniqueId()]; + Q_ASSERT(element); + // There's no NSAccessibilityFocusedUIElementChangedNotification, like we have on + // macOS. Instead, the documentation for UIAccessibilityLayoutChangedNotification + // specifies that the optional argument to UIAccessibilityPostNotification is the + // accessibility element for VoiceOver to move to after processing the notification. + UIAccessibilityPostNotification(UIAccessibilityLayoutChangedNotification, element); + break; + } case QAccessible::ObjectCreated: case QAccessible::ObjectShow: case QAccessible::ObjectHide: case QAccessible::ObjectDestroyed: - invalidateCache(event->accessibleInterface()); + invalidateCache(accessibleInterface); + switch (accessibleInterface->role()) { + case QAccessible::Window: + case QAccessible::Dialog: + // Bigger changes to the UI require a full reset of VoiceOver + UIAccessibilityPostNotification(UIAccessibilityScreenChangedNotification, nil); + break; + default: + // While smaller changes can be handled by re-reading the layout + UIAccessibilityPostNotification(UIAccessibilityLayoutChangedNotification, nil); + } break; default: break; |