tdesktop/Telegram/SourceFiles/core/file_utilities.cpp

250 lines
8.4 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop version of Telegram messaging app, see https://telegram.org
Telegram Desktop is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
It is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
In addition, as a special exception, the copyright holders give permission
to link the code of portions of this program with the OpenSSL library.
Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
*/
#include "core/file_utilities.h"
#include "mainwindow.h"
#include "storage/localstorage.h"
#include "platform/platform_file_utilities.h"
#include "core/task_queue.h"
bool filedialogGetSaveFile(QString &file, const QString &caption, const QString &filter, const QString &initialPath) {
QStringList files;
QByteArray remoteContent;
bool result = Platform::FileDialog::Get(files, remoteContent, caption, filter, FileDialog::internal::Type::WriteFile, initialPath);
file = files.isEmpty() ? QString() : files.at(0);
return result;
}
QString filedialogDefaultName(const QString &prefix, const QString &extension, const QString &path, bool skipExistance) {
auto directoryPath = path;
if (directoryPath.isEmpty()) {
if (cDialogLastPath().isEmpty()) {
Platform::FileDialog::InitLastPath();
}
directoryPath = cDialogLastPath();
}
time_t t = time(NULL);
struct tm tm;
mylocaltime(&tm, &t);
QChar zero('0');
QString name;
QString base = prefix + qsl("_%1-%2-%3_%4-%5-%6").arg(tm.tm_year + 1900).arg(tm.tm_mon + 1, 2, 10, zero).arg(tm.tm_mday, 2, 10, zero).arg(tm.tm_hour, 2, 10, zero).arg(tm.tm_min, 2, 10, zero).arg(tm.tm_sec, 2, 10, zero);
if (skipExistance) {
name = base + extension;
} else {
QDir dir(directoryPath);
QString nameBase = dir.absolutePath() + '/' + base;
name = nameBase + extension;
for (int i = 0; QFileInfo(name).exists(); ++i) {
name = nameBase + qsl(" (%1)").arg(i + 2) + extension;
}
}
return name;
}
QString filedialogNextFilename(const QString &name, const QString &cur, const QString &path) {
QDir dir(path.isEmpty() ? cDialogLastPath() : path);
int32 extIndex = name.lastIndexOf('.');
QString prefix = name, extension;
if (extIndex >= 0) {
extension = name.mid(extIndex);
prefix = name.mid(0, extIndex);
}
QString nameBase = dir.absolutePath() + '/' + prefix, result = nameBase + extension;
for (int i = 0; result.toLower() != cur.toLower() && QFileInfo(result).exists(); ++i) {
result = nameBase + qsl(" (%1)").arg(i + 2) + extension;
}
return result;
}
namespace File {
void OpenEmailLink(const QString &email) {
base::TaskQueue::Main().Put([email] {
Platform::File::UnsafeOpenEmailLink(email);
});
}
void OpenWith(const QString &filepath, QPoint menuPosition) {
base::TaskQueue::Main().Put([filepath, menuPosition] {
if (!Platform::File::UnsafeShowOpenWithDropdown(filepath, menuPosition)) {
if (!Platform::File::UnsafeShowOpenWith(filepath)) {
Platform::File::UnsafeLaunch(filepath);
}
}
});
}
void Launch(const QString &filepath) {
base::TaskQueue::Main().Put([filepath] {
Platform::File::UnsafeLaunch(filepath);
});
}
void ShowInFolder(const QString &filepath) {
base::TaskQueue::Main().Put([filepath] {
Platform::File::UnsafeShowInFolder(filepath);
});
}
namespace internal {
void UnsafeOpenEmailLinkDefault(const QString &email) {
auto url = QUrl(qstr("mailto:") + email);
QDesktopServices::openUrl(url);
}
void UnsafeLaunchDefault(const QString &filepath) {
QDesktopServices::openUrl(QUrl::fromLocalFile(filepath));
}
} // namespace internal
} // namespace File
namespace FileDialog {
void GetOpenPath(const QString &caption, const QString &filter, base::lambda<void(const OpenResult &result)> callback, base::lambda<void()> failed) {
base::TaskQueue::Main().Put([caption, filter, callback = std::move(callback), failed = std::move(failed)] {
auto files = QStringList();
auto remoteContent = QByteArray();
if (Platform::FileDialog::Get(files, remoteContent, caption, filter, FileDialog::internal::Type::ReadFile)
&& ((!files.isEmpty() && !files[0].isEmpty()) || !remoteContent.isEmpty())) {
if (callback) {
auto result = OpenResult();
if (!files.isEmpty() && !files[0].isEmpty()) {
result.paths.push_back(files[0]);
}
result.remoteContent = remoteContent;
callback(result);
}
} else if (failed) {
failed();
}
});
}
void GetOpenPaths(const QString &caption, const QString &filter, base::lambda<void(const OpenResult &result)> callback, base::lambda<void()> failed) {
base::TaskQueue::Main().Put([caption, filter, callback = std::move(callback), failed = std::move(failed)] {
auto files = QStringList();
auto remoteContent = QByteArray();
if (Platform::FileDialog::Get(files, remoteContent, caption, filter, FileDialog::internal::Type::ReadFiles)
&& (!files.isEmpty() || !remoteContent.isEmpty())) {
if (callback) {
auto result = OpenResult();
result.paths = files;
result.remoteContent = remoteContent;
callback(result);
}
} else if (failed) {
failed();
}
});
}
void GetWritePath(const QString &caption, const QString &filter, const QString &initialPath, base::lambda<void(const QString &result)> callback, base::lambda<void()> failed) {
base::TaskQueue::Main().Put([caption, filter, initialPath, callback = std::move(callback), failed = std::move(failed)] {
auto file = QString();
if (filedialogGetSaveFile(file, caption, filter, initialPath)) {
if (callback) {
callback(file);
}
} else if (failed) {
failed();
}
});
}
void GetFolder(const QString &caption, const QString &initialPath, base::lambda<void(const QString &result)> callback, base::lambda<void()> failed) {
base::TaskQueue::Main().Put([caption, initialPath, callback = std::move(callback), failed = std::move(failed)] {
auto files = QStringList();
auto remoteContent = QByteArray();
if (Platform::FileDialog::Get(files, remoteContent, caption, QString(), FileDialog::internal::Type::ReadFolder, initialPath)
&& !files.isEmpty() && !files[0].isEmpty()) {
if (callback) {
callback(files[0]);
}
} else if (failed) {
failed();
}
});
}
QString AllFilesFilter() {
#ifdef Q_OS_WIN
return qsl("All files (*.*)");
#else // Q_OS_WIN
return qsl("All files (*)");
#endif // Q_OS_WIN
}
namespace internal {
void InitLastPathDefault() {
cSetDialogLastPath(QStandardPaths::writableLocation(QStandardPaths::DownloadLocation));
}
bool GetDefault(QStringList &files, QByteArray &remoteContent, const QString &caption, const QString &filter, FileDialog::internal::Type type, QString startFile = QString()) {
if (cDialogLastPath().isEmpty()) {
Platform::FileDialog::InitLastPath();
}
remoteContent = QByteArray();
if (startFile.isEmpty() || startFile.at(0) != '/') {
startFile = cDialogLastPath() + '/' + startFile;
}
QString file;
if (type == Type::ReadFiles) {
files = QFileDialog::getOpenFileNames(App::wnd() ? App::wnd()->filedialogParent() : 0, caption, startFile, filter);
QString path = files.isEmpty() ? QString() : QFileInfo(files.back()).absoluteDir().absolutePath();
if (!path.isEmpty() && path != cDialogLastPath()) {
cSetDialogLastPath(path);
Local::writeUserSettings();
}
return !files.isEmpty();
} else if (type == Type::ReadFolder) {
file = QFileDialog::getExistingDirectory(App::wnd() ? App::wnd()->filedialogParent() : 0, caption, startFile);
} else if (type == Type::WriteFile) {
file = QFileDialog::getSaveFileName(App::wnd() ? App::wnd()->filedialogParent() : 0, caption, startFile, filter);
} else {
file = QFileDialog::getOpenFileName(App::wnd() ? App::wnd()->filedialogParent() : 0, caption, startFile, filter);
}
if (file.isEmpty()) {
files = QStringList();
return false;
}
if (type != Type::ReadFolder) {
// Save last used directory for all queries except directory choosing.
auto path = QFileInfo(file).absoluteDir().absolutePath();
if (!path.isEmpty() && path != cDialogLastPath()) {
cSetDialogLastPath(path);
Local::writeUserSettings();
}
}
files = QStringList(file);
return true;
}
} // namespace internal
} // namespace FileDialog