37b872da9e
Based on AVFoundation framework Change-Id: If4cfd105a592f50b42606624548b9ffc870e3e47 Reviewed-by: Gunnar Sletta <gunnar.sletta@nokia.com>
138 lines
4.6 KiB
Plaintext
138 lines
4.6 KiB
Plaintext
/****************************************************************************
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**
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/
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**
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** This file is part of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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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
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** file. Please review the following information to ensure the GNU Lesser
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** General 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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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License version 3.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of this
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** file. Please review the following information to ensure the GNU General
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** Public License version 3.0 requirements will be met:
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "avfstoragelocation.h"
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#include "QtCore/qstandardpaths.h"
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QT_BEGIN_NAMESPACE
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AVFStorageLocation::AVFStorageLocation()
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{
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}
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AVFStorageLocation::~AVFStorageLocation()
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{
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}
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/*!
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* Generate the actual file name from user requested one.
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* requestedName may be either empty (the default dir and naming theme is used),
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* points to existing dir (the default name used)
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* or specify the full actual path.
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*/
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QString AVFStorageLocation::generateFileName(const QString &requestedName,
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QCamera::CaptureMode mode,
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const QString &prefix,
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const QString &ext) const
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{
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if (requestedName.isEmpty())
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return generateFileName(prefix, defaultDir(mode), ext);
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if (QFileInfo(requestedName).isDir())
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return generateFileName(prefix, QDir(requestedName), ext);
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return requestedName;
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}
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QDir AVFStorageLocation::defaultDir(QCamera::CaptureMode mode) const
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{
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QStringList dirCandidates;
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if (mode == QCamera::CaptureVideo) {
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dirCandidates << QStandardPaths::writableLocation(QStandardPaths::MoviesLocation);
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} else {
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dirCandidates << QStandardPaths::writableLocation(QStandardPaths::PicturesLocation);
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}
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dirCandidates << QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation);
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dirCandidates << QDir::homePath();
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dirCandidates << QDir::currentPath();
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dirCandidates << QDir::tempPath();
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Q_FOREACH (const QString &path, dirCandidates) {
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if (QFileInfo(path).isWritable())
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return QDir(path);
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}
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return QDir();
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}
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QString AVFStorageLocation::generateFileName(const QString &prefix, const QDir &dir, const QString &ext) const
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{
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QString lastClipKey = dir.absolutePath()+QLatin1Char(' ')+prefix+QLatin1Char(' ')+ext;
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int lastClip = m_lastUsedIndex.value(lastClipKey, 0);
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if (lastClip == 0) {
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//first run, find the maximum clip number during the fist capture
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Q_FOREACH (const QString &fileName, dir.entryList(QStringList() << QString("%1*.%2").arg(prefix).arg(ext))) {
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int imgNumber = fileName.mid(prefix.length(), fileName.size()-prefix.length()-ext.length()-1).toInt();
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lastClip = qMax(lastClip, imgNumber);
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}
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}
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//don't just rely on cached lastClip value,
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//someone else may create a file after camera started
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while (true) {
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QString name = QString("%1%2.%3").arg(prefix)
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.arg(lastClip+1,
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4, //fieldWidth
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10,
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QLatin1Char('0'))
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.arg(ext);
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QString path = dir.absoluteFilePath(name);
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if (!QFileInfo(path).exists()) {
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m_lastUsedIndex[lastClipKey] = lastClip+1;
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return path;
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}
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lastClip++;
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}
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return QString();
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}
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QT_END_NAMESPACE
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