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/***************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (directui@nokia.com)
**
** This file is part of libmeegotouch.
**
** If you have questions regarding the use of this file, please contact
** Nokia at directui@nokia.com.
**
** This library is free software; you can redistribute it and/or
** modify it 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.
**
****************************************************************************/
#ifndef MTHEME_P_H
#define MTHEME_P_H
class IMThemeDaemon;
class MWidgetController;
class MStyleSheet;
class QPixmap;
class MTheme;
class MScalableImage;
class MLibrary;
#include <QSet>
#include <QSize>
#include <QHash>
#include <QLibrary>
#include <QAtomicInt>
#include "massembly.h"
#include "mlogicalvalues.h"
#include "mpalette.h"
#include "mdefaultfonts.h"
#include "mtheme.h"
// TODO: remove this with style profiling
#ifndef Q_OS_WIN
#include <sys/time.h>
#endif
#ifdef HAVE_GCONF
#include "mgconfitem.h"
#endif
//! \cond
struct CachedStyle {
CachedStyle(MStyle *d) : data(d), refcount(1) {};
MStyle *data;
int refcount;
};
//! \endcond
//! \cond
struct CachedPixmap {
CachedPixmap(const QPixmap *p, const QString &imageId, const QSize &size) : pixmap(p), refcount(1), imageId(imageId), size(size) {};
const QPixmap *pixmap;
QAtomicInt refcount;
QString imageId;
QSize size;
};
struct CachedScalableImage {
CachedScalableImage(const MScalableImage *p) : image(p), refcount(1) {};
const MScalableImage *image;
QAtomicInt refcount;
};
//! \endcond
class MThemePrivate : public QObject
{
Q_OBJECT
Q_DECLARE_PUBLIC(MTheme)
public:
MThemePrivate(const QString &applicationName, MTheme::ThemeService themeService);
virtual ~MThemePrivate();
typedef QHash<MStyleContainer *, MStyleContainer *> RegisteredStyleContainers;
static RegisteredStyleContainers styleContainers;
//remote theme cache, not used by default
IMThemeDaemon *themeDaemon;
// Identifier that is used to separate applications on theme daemon
QString applicationName;
//stores pixmap identifier and corresponding daemon handle
QHash<QString, CachedPixmap> pixmapIdentifiers;
//stores pixmap identifier and corresponding daemon handle
QHash<QString, CachedScalableImage> scalableImageIdentifiers;
MStyleSheet *customStylesheet;
QPixmap *invalidPixmap;
MTheme *q_ptr;
static QHash<QString, MLibrary *>* libraries;
MAssembly *application;
MLogicalValues logicalValues;
MPalette palette;
MDefaultFonts fonts;
QSet<QLibrary*> openedThemeLibraries;
#ifdef HAVE_GCONF
MGConfItem locale;
MGConfItem showAsyncRequestsItem;
#endif
bool showAsyncRequests;
public:
/*!
* Check if the theme has defined a view for this controller, if not, go towards base class
* to find one.
*/
QString determineViewClassForController(const MWidgetController *controller);
/*!
* Tries to find pixmap from cache with given identifier
* if found return the pixmap otherwise return NULL
*/
const QPixmap *fetchPixmapFromCache(const QString &identifier);
/*!
* Theme daemon notifies MTheme of a theme change. In this method MTheme
* will change the views and styles of all widgets.
*/
void themeChangedSlot(const QStringList &themeInheritance, const QStringList& libraryNames);
/*!
* Finalize pixmap change or creation by updating the scene and/or emitting a signal
*/
void pixmapRequestFinished();
/*!
* Theme daemon notifies pixmap updates to to this slot
* In here MTheme will fetch the new pixmap data from X-Server and provide it to the widgets.
*/
void pixmapCreatedOrChangedSlot(const QString &imageId, const QSize &size, Qt::HANDLE pixmapHandle);
/*!
* GConf item change signals that locale is changed. Logical values & icons are reloaded.
*/
void localeChangedSlot();
bool loadCSS(const QString &filename, MTheme::InsertMode mode = MTheme::Append);
void refreshLocalThemeConfiguration(const QStringList &themeInheritance);
void reloadThemeLibraries(const QStringList& libraryNames);
/*!
* Reinitializes the theme to correspond to the new application name
*/
void reinit(const QString &applicationName, const QString &imglistFilename = QString(), MTheme::ThemeService themeService = MTheme::AnyTheme);
static void registerStyleContainer(MStyleContainer *container);
static void unregisterStyleContainer(MStyleContainer *container);
static void registerLibrary(MLibrary *library);
static void unregisterLibrary(MLibrary *library);
static void addLeakedStyle(MStyle *style, const QString &id);
static void removeLeakedStyle(MStyle *style);
#ifdef HAVE_GCONF
public slots:
void updateShowAsyncRequests();
#endif
private:
class LeakedStyles {
public:
void insert(MStyle* style, const QString &id) { styles.insert(style, id); }
void remove(MStyle* style) { styles.remove(style); }
~LeakedStyles();
private:
QHash<MStyle*, QString> styles;
};
// this class must be static as it needs to be destroyed as late as possible
// to not ignore classes which free their styles after the destrutction of
// MTheme
static LeakedStyles leakedStyles;
};
#endif
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