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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Mobility Components.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 "s60filenamegenerator.h"
/*
* This method generates a default image or video file name. On Symbian it may
* be e.g. one of the following:
* c:/Data/Images/Camera/201105/201105A0/16052011001.jpg
* e:/Images/Camera/201105/201105A0/16052011001.jpg
* e./Videos/Camera/201105/201105A0/16052011001.mp4
* The file name and path are returned in native format (i.e. using '\' separators).
*/
QString S60FileNameGenerator::defaultFileName(const FileNameType nameType, const QString postfix)
{
QDir directory;
QString newFileName = detectDestinationDrive(directory);
if (nameType == ImageFileName)
newFileName.append(QLatin1String("Images/"));
else
newFileName.append(QLatin1String("Videos/"));
newFileName.append(QLatin1String("Camera"));
newFileName.append(QLatin1Char('/'));
QDate date = QDate::currentDate();
directory.setPath(newFileName);
int fileNameIndex = 0;
generateFolder(directory, date, fileNameIndex);
newFileName = directory.path();
// Detect file name
QString dateForFileName = date.toString(QLatin1String("ddMMyyyy"));
while (true) {
QString indexString = QString::number(fileNameIndex);
while (indexString.length() < 3)
indexString.prepend(QLatin1Char('0'));
if (directory.entryList().contains(dateForFileName + indexString + postfix)) {
// Check next file name
++fileNameIndex;
continue;
} else {
// Proper name found
newFileName.append(QLatin1Char('/'));
newFileName.append(dateForFileName);
newFileName.append(indexString);
newFileName.append(postfix);
break;
}
}
return QDir::toNativeSeparators(newFileName);
}
/*
* Generates a image/video file name based on the given parameters:
* * Type (image or video)
* * Base (either absolute or relative file name of type QString)
* * File type
*/
QString S60FileNameGenerator::generateFileNameFromString(const FileNameType nameType,
const QString base,
const QString postfix)
{
QString baseString(base);
return generateFileName(nameType, baseString, postfix);
}
/*
* Generates a image/video file name based on the given parameters:
* * Type (image or video)
* * Base (either absolute or relative file name of type QUrl)
* * File type
*/
QString S60FileNameGenerator::generateFileNameFromUrl(const FileNameType nameType,
const QUrl base,
const QString postfix)
{
QString baseString(base.toLocalFile());
return generateFileName(nameType, baseString, postfix);
}
QString S60FileNameGenerator::generateFileName(const FileNameType nameType,
QString base,
const QString postfix)
{
// To Qt format
base.replace(QLatin1Char('\\'), QLatin1Char('/'));
QString newFileName;
// Relative FileName
if (!base.contains(QLatin1Char(':'))) {
QDir directory;
newFileName = detectDestinationDrive(directory);
if (nameType == ImageFileName)
newFileName.append(QLatin1String("Images/"));
else
newFileName.append(QLatin1String("Videos/"));
newFileName.append(QLatin1String("Camera"));
if (base.at(0) != QLatin1Char('/'))
newFileName.append(QLatin1Char('/'));
newFileName.append(base);
// Make sure full path exists
QString path = newFileName.left(newFileName.lastIndexOf(QLatin1Char('/')));
directory.setPath(path);
if (!directory.exists())
directory.mkpath(path);
newFileName = QDir::toNativeSeparators(newFileName);
// Absolute FileName
} else {
// Make sure path exists
QString path = base.left(base.lastIndexOf(QLatin1Char('/')));
QDir directory(path);
if (!directory.exists())
directory.mkpath(path);
newFileName = QDir::toNativeSeparators(base);
}
// Confirm file name has proper postfix
if (!newFileName.contains(QRegExp(QLatin1String(".+\\..+$"))))
newFileName.append(postfix);
return newFileName;
}
/*
* Method to detect whether the device has mass memory available
* Returns the drive and base folder to be used in file name generation
* In practive it is either of the following:
* * c:\Data
* * e:\
*/
QString S60FileNameGenerator::detectDestinationDrive(const QDir currentDirectory)
{
QFileInfoList driveList = currentDirectory.drives();
bool isMassMemoryAvailable = false;
foreach (QFileInfo info, driveList) {
if (info.path() == QLatin1String("E:/") && info.isWritable())
isMassMemoryAvailable = true;
}
if (isMassMemoryAvailable) {
return QLatin1String("e:/");
} else {
return QLatin1String("c:/Data/");
}
}
/*
* Method to generate Symbian specific date based folder structure where the
* captured image or video will be saved.
*/
void S60FileNameGenerator::generateFolder(QDir ¤tDirectory,
QDate &date,
int &fileNameOffset)
{
// Folder of format: YYYYMM
QString newFolder = date.toString(QLatin1String("yyyyMM"));
if (!currentDirectory.cd(newFolder)) {
if (!currentDirectory.mkpath(newFolder)) {
currentDirectory.mkpath(currentDirectory.path());
return;
}
if (!currentDirectory.cd(newFolder)) {
currentDirectory.mkpath(currentDirectory.path());
return;
}
}
// Now create subfolder of format: YYYYMM[A-Z][0-9]
fileNameOffset = 0;
char indexChar('A');
int indexInt = 0;
QString testFolder;
while (true) {
testFolder = currentDirectory.path() + QLatin1Char('/') + newFolder + indexChar + QString::number(indexInt);
if (currentDirectory.cd(testFolder)) {
// Check file count (max 100 files per folder)
if (currentDirectory.entryList().count() < 100) {
return;
} else {
// Folder full, check next
if (indexInt < 9) {
++indexInt;
} else {
indexInt = 0;
indexChar += 1;
}
fileNameOffset += 100;
continue;
}
} else {
if (currentDirectory.mkpath(testFolder)) {
if (currentDirectory.cd(testFolder))
return;
}
}
}
}
// End of file
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