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Diffstat (limited to 'src/declarative/util/qmlpixmapcache_p.h')
-rw-r--r-- | src/declarative/util/qmlpixmapcache_p.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/src/declarative/util/qmlpixmapcache_p.h b/src/declarative/util/qmlpixmapcache_p.h new file mode 100644 index 0000000..462faf6 --- /dev/null +++ b/src/declarative/util/qmlpixmapcache_p.h @@ -0,0 +1,107 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtDeclarative module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** 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, 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. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QMLPIXMAPCACHE_H +#define QMLPIXMAPCACHE_H + +#include <QtCore/QString> +#include <QtGui/QPixmap> +#include <QtCore/qurl.h> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Declarative) +class QmlEngine; +class QNetworkReply; +class QmlImageReader; + +class QmlPixmapReplyPrivate; +class Q_DECLARATIVE_EXPORT QmlPixmapReply : public QObject +{ + Q_OBJECT +public: + ~QmlPixmapReply(); + + enum Status { Ready, Error, Unrequested, Loading }; + Status status() const; + + const QUrl &url() const; + +Q_SIGNALS: + void finished(); + void downloadProgress(qint64, qint64); + +protected: + bool event(QEvent *event); + +private: + void addRef(); + bool release(bool defer=false); + bool isLoading() const; + void setLoading(); + +private: + QmlPixmapReply(QmlImageReader *reader, const QUrl &url); + Q_DISABLE_COPY(QmlPixmapReply) + Q_DECLARE_PRIVATE(QmlPixmapReply) + friend class QmlImageRequestHandler; + friend class QmlImageReader; + friend class QmlPixmapCache; +}; + +class Q_DECLARATIVE_EXPORT QmlPixmapCache +{ +public: + static QmlPixmapReply::Status get(const QUrl& url, QPixmap *pixmap); + static QmlPixmapReply *request(QmlEngine *, const QUrl& url); + static void cancel(const QUrl& url, QObject *obj); + static int pendingRequests(); +}; + + + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif // QMLPIXMAPCACHE_H |