diff options
Diffstat (limited to 'src/plugins/qnx/camera/bbmediastoragelocation.cpp')
-rw-r--r-- | src/plugins/qnx/camera/bbmediastoragelocation.cpp | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/src/plugins/qnx/camera/bbmediastoragelocation.cpp b/src/plugins/qnx/camera/bbmediastoragelocation.cpp new file mode 100644 index 000000000..3d939ce4f --- /dev/null +++ b/src/plugins/qnx/camera/bbmediastoragelocation.cpp @@ -0,0 +1,119 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Research In Motion +** Contact: http://www.qt-project.org/legal +** +** This file is part 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 "bbmediastoragelocation.h" + +#include <QStandardPaths> + +QT_BEGIN_NAMESPACE + +BbMediaStorageLocation::BbMediaStorageLocation() +{ +} + +QDir BbMediaStorageLocation::defaultDir(QCamera::CaptureMode mode) const +{ + QStringList dirCandidates; + + dirCandidates << QLatin1String("shared/camera"); + + if (mode == QCamera::CaptureVideo) { + dirCandidates << QStandardPaths::writableLocation(QStandardPaths::MoviesLocation); + } else { + dirCandidates << QStandardPaths::writableLocation(QStandardPaths::PicturesLocation); + } + + dirCandidates << QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation); + dirCandidates << QDir::homePath(); + dirCandidates << QDir::currentPath(); + dirCandidates << QDir::tempPath(); + + Q_FOREACH (const QString &path, dirCandidates) { + if (QFileInfo(path).isWritable()) + return QDir(path); + } + + return QDir(); +} + +QString BbMediaStorageLocation::generateFileName(const QString &requestedName, QCamera::CaptureMode mode, const QString &prefix, const QString &extension) const +{ + if (requestedName.isEmpty()) + return generateFileName(prefix, defaultDir(mode), extension); + + if (QFileInfo(requestedName).isDir()) + return generateFileName(prefix, QDir(requestedName), extension); + + return requestedName; +} + +QString BbMediaStorageLocation::generateFileName(const QString &prefix, const QDir &dir, const QString &extension) const +{ + const QString lastMediaKey = dir.absolutePath() + QLatin1Char(' ') + prefix + QLatin1Char(' ') + extension; + qint64 lastMediaIndex = m_lastUsedIndex.value(lastMediaKey, 0); + + if (lastMediaIndex == 0) { + // first run, find the maximum media number during the fist capture + Q_FOREACH (const QString &fileName, dir.entryList(QStringList() << QString("%1*.%2").arg(prefix).arg(extension))) { + const qint64 mediaIndex = fileName.mid(prefix.length(), fileName.size() - prefix.length() - extension.length() - 1).toInt(); + lastMediaIndex = qMax(lastMediaIndex, mediaIndex); + } + } + + // don't just rely on cached lastMediaIndex value, + // someone else may create a file after camera started + while (true) { + const QString name = QString("%1%2.%3").arg(prefix) + .arg(lastMediaIndex + 1, 8, 10, QLatin1Char('0')) + .arg(extension); + + const QString path = dir.absoluteFilePath(name); + if (!QFileInfo(path).exists()) { + m_lastUsedIndex[lastMediaKey] = lastMediaIndex + 1; + return path; + } + + lastMediaIndex++; + } + + return QString(); +} + +QT_END_NAMESPACE |