Added support for cover windows on BlackBerry platform

On the BlackBerry platform when an application is minimized an
alternate cover window is shown. This patch allows Qt to render
into those windows.
A new window type "Qt::CoverWindow" has been introduced.

Change-Id: If5e321f5cb00f6d3ed7a5dc0af425655d7a9253a
Reviewed-by: Thomas McGuire <thomas.mcguire@kdab.com>
Reviewed-by: Fabian Bumberger <fbumberger@rim.com>
Reviewed-by: Rafael Roquetto <rafael.roquetto@kdab.com>

1 files changed, 53 insertions, 0 deletions

diff --git a/src/plugins/platforms/qnx/qqnxabstractcover.h b/src/plugins/platforms/qnx/qqnxabstractcover.h
new file mode 100644
index 0000000000..84139b6db0
--- /dev/null
+++ b/src/plugins/platforms/qnx/qqnxabstractcover.h
@@ -0,0 +1,53 @@
+/***************************************************************************
+**
+** Copyright (C) 2013 BlackBerry Limited. All rights reserved.
+** 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.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QQNXABSTRACTCOVER_H
+#define QQNXABSTRACTCOVER_H
+
+class QQnxAbstractCover
+{
+public:
+    virtual ~QQnxAbstractCover() {}
+
+    virtual void updateCover() = 0;
+};
+
+#endif // QQNXABSTRACTCOVER_H