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+/**************************************************************************
+**
+** This file is part of Installer Framework
+**
+** Copyright (c) 2010-2012 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+**
+** GNU Lesser General Public License Usage
+**
+** 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, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** Other Usage
+**
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**************************************************************************/
+
+#ifndef PROGRESSCOORDNINATOR_H
+#define PROGRESSCOORDNINATOR_H
+
+#include <QtCore/QHash>
+#include <QtCore/QObject>
+#include <QtCore/QPointer>
+
+namespace QInstaller {
+
+class ProgressCoordinator : public QObject
+{
+ Q_OBJECT
+
+public:
+ static ProgressCoordinator *instance();
+ ~ProgressCoordinator();
+
+ void registerPartProgress(QObject *sender, const char *signal, double partProgressSize);
+
+public slots:
+ void reset();
+ void setUndoMode();
+
+ QString labelText() const;
+ void setLabelText(const QString &text);
+
+ int progressInPercentage() const;
+ void partProgressChanged(double fraction);
+
+ void addManualPercentagePoints(int value);
+ void addReservePercentagePoints(int value);
+
+ void emitDetailTextChanged(const QString &text);
+ void emitLabelAndDetailTextChanged(const QString &text);
+
+ void emitDownloadStatus(const QString &status);
+
+signals:
+ void detailTextChanged(const QString &text);
+ void detailTextResetNeeded();
+ void downloadStatusChanged(const QString &status);
+
+protected:
+ explicit ProgressCoordinator(QObject *parent);
+
+private:
+ double allPendingCalculatedPartPercentages(QObject *excludeKeyObject = 0);
+ void disconnectAllSenders();
+
+private:
+ QHash<QPointer<QObject>, double> m_senderPendingCalculatedPercentageHash;
+ QHash<QPointer<QObject>, double> m_senderPartProgressSizeHash;
+ QString m_installationLabelText;
+ double m_currentCompletePercentage;
+ double m_currentBasePercentage;
+ int m_manualAddedPercentage;
+ int m_reservedPercentage;
+ bool m_undoMode;
+ double m_reachedPercentageBeforeUndo;
+};
+
+} //namespace QInstaller
+
+#endif //PROGRESSCOORDNINATOR_H