qstandardpaths_ohos.cpp

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// Copyright (C) 2025 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#include "qstandardpaths.h"
 
#include <QtCore/private/qcore_ohos_p.h>
#include <QtCore/private/qohosappcontext_p.h>
#include <QtCore/private/qohoscommon_p.h>
#include <QtCore/qdir.h>
#include <QtCore/qlogging.h>
#include <filemanagement/environment/oh_environment.h>
#include <optional>
 
#ifndef QT_NO_STANDARDPATHS
 
QT_BEGIN_NAMESPACE
 
namespace {
 
std::optional<QString> tryGetUserDirFromOhEnvironment(FileManagement_ErrCode (*ohEnvironmentDirGetter)(char **))
{
    char *dirPath = nullptr;
    FileManagement_ErrCode dirGetterRetVal = QOhosJsThreadGateway::eval(
        [&](QOhosJsState &) {
            return ohEnvironmentDirGetter(&dirPath);
        });
    if (dirGetterRetVal != FileManagement_ErrCode::ERR_OK || dirPath == nullptr) {
        qOhosPrintfDebug("OH_Environment_GetUser* dir getter failed, retval: %d", static_cast<int>(dirGetterRetVal));
        return {};
    }
 
    auto result = QString::fromUtf8(dirPath);
 
    ::free(dirPath);
 
    return result;
}
 
template<FileManagement_ErrCode (*ohEnvironmentDirGetter)(char **)>
std::optional<QString> tryGetCachedUserDirFromOhEnvironment()
{
    static std::optional<QString> cachedDirPath;
 
    if (!cachedDirPath.has_value())
        cachedDirPath = tryGetUserDirFromOhEnvironment(ohEnvironmentDirGetter);
 
    return cachedDirPath;
}
 
}
 
QStringList QStandardPaths::standardLocations(StandardLocation type)
{
    return QStringList(writableLocation(type));
}
 
QString QStandardPaths::writableLocation(StandardLocation type)
{
    auto testDirSuffix = QStandardPaths::isTestModeEnabled() ? QLatin1String("/.qttest") : QLatin1String("");
 
    switch (type) {
    case DesktopLocation:
        // NOTE: return empty string if the dir isn't available, even in the doc says otherwise
        return tryGetCachedUserDirFromOhEnvironment<OH_Environment_GetUserDesktopDir>().value_or(QLatin1String());
    case DocumentsLocation:
        // NOTE: return empty string if the dir isn't available, even in the doc says otherwise
        return tryGetCachedUserDirFromOhEnvironment<OH_Environment_GetUserDocumentDir>().value_or(QLatin1String());
    case FontsLocation:
        // NOT SUPPORTED
        break;
    case ApplicationsLocation:
        // NOT SUPPORTED
        break;
    case MusicLocation:
        // NOT SUPPORTED
        break;
    case MoviesLocation:
        // NOT SUPPORTED
        break;
    case PicturesLocation:
        // NOT SUPPORTED
        break;
    case DownloadLocation:
        // NOTE: return empty string if the dir isn't available, even in the doc says otherwise
        return tryGetCachedUserDirFromOhEnvironment<OH_Environment_GetUserDownloadDir>().value_or(QLatin1String());
    case PublicShareLocation:
        // NOT SUPPORTED
        break;
    case TemplatesLocation:
        // NOT SUPPORTED
        break;
    case TempLocation:
        return QDir::tempPath();
    case HomeLocation:
        return QDir::homePath();
    case GenericDataLocation:
    case AppDataLocation:
    case StateLocation:
    case GenericStateLocation:
        return QOhosAppContext::getProperty(QOhosAppContext::Type::filesDir) + testDirSuffix;
    case CacheLocation:
    case GenericCacheLocation:
        return QOhosAppContext::getProperty(QOhosAppContext::Type::cacheDir) + testDirSuffix;
    case RuntimeLocation:
    case ConfigLocation:
    case GenericConfigLocation:
    case AppConfigLocation:
    case AppLocalDataLocation:
        return QOhosAppContext::getProperty(QOhosAppContext::Type::preferencesDir) + testDirSuffix;
    default:
        break;
    }
 
    return QLatin1String();
}
 
QT_END_NAMESPACE
 
#endif // QT_NO_STANDARDPATHS