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Diffstat (limited to 'src/plugins/platforms/ios/qiosplatformaccessibility.mm')
-rw-r--r-- | src/plugins/platforms/ios/qiosplatformaccessibility.mm | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/src/plugins/platforms/ios/qiosplatformaccessibility.mm b/src/plugins/platforms/ios/qiosplatformaccessibility.mm new file mode 100644 index 0000000000..db579ba559 --- /dev/null +++ b/src/plugins/platforms/ios/qiosplatformaccessibility.mm @@ -0,0 +1,85 @@ +/**************************************************************************** +** +** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** 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 Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qiosplatformaccessibility.h" + +#include <QtGui/QtGui> +#include "qioswindow.h" + +QIOSPlatformAccessibility::QIOSPlatformAccessibility() +{} + +QIOSPlatformAccessibility::~QIOSPlatformAccessibility() +{} + + +void invalidateCache(QAccessibleInterface *iface) +{ + if (!iface || !iface->isValid()) { + qWarning() << "invalid accessible interface: " << iface; + return; + } + + QWindow *win = 0; + QAccessibleInterface *parent = iface; + do { + win = parent->window(); + parent = parent->parent(); + } while (!win && parent); + Q_ASSERT(win && win->handle()); + QIOSWindow *window = static_cast<QIOSWindow*>(win->handle()); + window->clearAccessibleCache(); +} + + +void QIOSPlatformAccessibility::notifyAccessibilityUpdate(QAccessibleEvent *event) +{ + switch (event->type()) { + case QAccessible::ObjectCreated: + case QAccessible::ObjectShow: + case QAccessible::ObjectHide: + case QAccessible::ObjectDestroyed: + invalidateCache(event->accessibleInterface()); + break; + default: + break; + } +} |