src/hbcore/image/hbframebackground.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 11 Jun 2010 13:58:22 +0300
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/****************************************************************************
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**
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** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (developer.feedback@nokia.com)
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**
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** This file is part of the HbCore module of the UI Extensions for Mobile.
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**
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this file.
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** Please review the following information to ensure the GNU Lesser General
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** Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights.  These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at developer.feedback@nokia.com.
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**
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****************************************************************************/
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#include "hbframebackground.h"
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#include "hbframebackground_p.h"
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#include <QVariant>
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/*!
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    @stable
0
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    @hbcore
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    \class HbFrameBackground
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    \brief HbFrameBackground stores the frame data.
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    This class is a data container for frame related data. It stores data that defines the
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    frame background into single object that can be stored into QVariant.
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*/
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// Must be initialized dynamically because QIcon cannot be constructed
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// when static variables are constructed.
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static HbFrameBackgroundPrivate *shared_null = 0;
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static const int frameBackgroundMetaType = qRegisterMetaType<HbFrameBackground>();
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// This constructor is used for shared_null instance only
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HbFrameBackgroundPrivate::HbFrameBackgroundPrivate() :
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    frameGraphicsName(),
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    type(HbFrameDrawer::Undefined)
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{
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    ref.ref(); // Need to do extra ref so the shared null does not get destructed
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}
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HbFrameBackgroundPrivate::HbFrameBackgroundPrivate(const QString &frameGraphicsName, HbFrameDrawer::FrameType type) :
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    frameGraphicsName(frameGraphicsName),
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    type(type)
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{
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}
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/*! Default constructor.
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*/
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HbFrameBackground::HbFrameBackground()
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{
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    // Construct shared_null if not done yet.
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    if (!shared_null) {
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        shared_null = new HbFrameBackgroundPrivate;
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    }
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    d = shared_null;
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}
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/*! Constructs a new frame background with the given \a frameGraphicsName and \a type .
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*/
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HbFrameBackground::HbFrameBackground(const QString &frameGraphicsName, HbFrameDrawer::FrameType type) :
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    d(new HbFrameBackgroundPrivate(frameGraphicsName, type))
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{
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}
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/*!
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* Copy constructs a new frame background using the \a other frame background.
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*/
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HbFrameBackground::HbFrameBackground(const HbFrameBackground &other) :
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    d(other.d)
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{
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}
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/*!
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* Destroys the frame background.
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*/
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HbFrameBackground::~HbFrameBackground()
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{
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}
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/*!
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* Assigns the \a other frame background to this frame background and returns a reference to
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* this frame background. Copy-on-write semantics is used, so this only does a shallow copy.
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*/
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HbFrameBackground &HbFrameBackground::operator=(const HbFrameBackground &other)
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{
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    if (&other != this) {
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        d = other.d;
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    }
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    return *this;
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}
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/*!
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* Equality operator.
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*/
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bool HbFrameBackground::operator==(const HbFrameBackground &other) const
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{
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    return !(*this != other);
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}
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/*!
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* Inequality operator.
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*/
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bool HbFrameBackground::operator!=(const HbFrameBackground &other) const
0
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{
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    if (d->frameGraphicsName != other.d->frameGraphicsName
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            || d->frameGraphicsName.isNull() != other.d->frameGraphicsName.isNull()) {
0
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        return true;
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    }
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    if (d->type != other.d->type) {
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        return true;
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    }
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    return false;
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}
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/*!
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* Returns true if the frame background has been constructed with the default constructor
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* and the frame graphics name has not been set.
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*/
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bool HbFrameBackground::isNull() const
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{
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    return d->frameGraphicsName.isNull();
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}
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/*!
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* Returns the frame graphics name.
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* \sa HbFrameBackground::setFrameGraphicsName()
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*/
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QString HbFrameBackground::frameGraphicsName() const
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{
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    return d->frameGraphicsName;
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}
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/*!
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* Sets the frame graphics name. See the HbFrameDrawer class description for the file name convention for different frame parts.
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* \sa HbFrameBackground::frameGraphicsName()
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*/
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void HbFrameBackground::setFrameGraphicsName(const QString &frameGraphicsName)
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{
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    // Remove possible file extension
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    QString nameWithoutExt = frameGraphicsName;
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    int index = nameWithoutExt.lastIndexOf(QChar('.'));
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    if (index > 0) {
0
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        nameWithoutExt.resize(index);
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    }
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    if (d->frameGraphicsName != nameWithoutExt
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            || d->frameGraphicsName.isNull() != nameWithoutExt.isNull()) {
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        d.detach();
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        d->frameGraphicsName = nameWithoutExt;
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    }
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}
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/*!
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* Returns the frame type.
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* \sa HbFrameBackground::setFrameType()
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*/
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HbFrameDrawer::FrameType HbFrameBackground::frameType() const
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{
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    return d->type;
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}
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/*!
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* Sets the frame type.
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* \sa HbFrameBackground::frameType()
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*/
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void HbFrameBackground::setFrameType(HbFrameDrawer::FrameType type)
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{
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    if (d->type != type) {
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        d.detach();
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        d->type = type;
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    }
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}
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/*!
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* Returns the frame background as a QVariant.
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*/
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HbFrameBackground::operator QVariant() const
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{
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    return QVariant::fromValue(*this);
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}
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// End of File