Port of Qt 4's Windows session management

This patch aims to implement the session management for Windows.
Based on the Qt 4 QApplication windows specific code

Task-number: QTBUG-28228
Task-number: QTBUG-33032
Change-Id: I7059298ad9661aebd51e77a03f55a7a04f461479
Reviewed-by: Kai Koehne <kai.koehne@digia.com>

1 files changed, 112 insertions, 0 deletions

diff --git a/src/plugins/platforms/windows/qwindowssessionmanager.cpp b/src/plugins/platforms/windows/qwindowssessionmanager.cpp
new file mode 100644
index 0000000000..efdbb6b279
--- /dev/null
+++ b/src/plugins/platforms/windows/qwindowssessionmanager.cpp
@@ -0,0 +1,112 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Samuel Gaist <samuel.gaist@edeltech.ch>
+** Copyright (C) 2013 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 "qwindowssessionmanager.h"
+
+QT_BEGIN_NAMESPACE
+
+QWindowsSessionManager::QWindowsSessionManager(const QString &id, const QString &key)
+    : QPlatformSessionManager(id, key)
+    , m_isActive(false)
+    , m_blockUserInput(false)
+    , m_canceled(false)
+{
+}
+
+QWindowsSessionManager::~QWindowsSessionManager()
+{
+}
+
+bool QWindowsSessionManager::allowsInteraction()
+{
+    m_blockUserInput = false;
+    return true;
+}
+
+bool QWindowsSessionManager::allowsErrorInteraction()
+{
+    m_blockUserInput = false;
+    return true;
+}
+
+void QWindowsSessionManager::blocksInteraction()
+{
+    m_blockUserInput = true;
+}
+
+bool QWindowsSessionManager::isInterractionBlocked() const
+{
+    return m_blockUserInput;
+}
+
+void QWindowsSessionManager::release()
+{
+    if (m_isActive)
+        m_blockUserInput = true;
+}
+
+void QWindowsSessionManager::cancel()
+{
+    m_canceled = true;
+}
+
+void QWindowsSessionManager::clearCancellation()
+{
+    m_canceled = false;
+}
+
+bool QWindowsSessionManager::wasCanceled() const
+{
+    return m_canceled;
+}
+
+void QWindowsSessionManager::setActive(bool active)
+{
+    m_isActive = active;
+}
+
+bool QWindowsSessionManager::isActive() const
+{
+    return m_isActive;
+}
+
+QT_END_NAMESPACE