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transmission/qt/Prefs.cc

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// This file Copyright © 2009-2022 Mnemosyne LLC.
// It may be used under GPLv2 (SPDX: GPL-2.0-only), GPLv3 (SPDX: GPL-3.0-only),
// or any future license endorsed by Mnemosyne LLC.
// License text can be found in the licenses/ folder.
#include <array>
#include <cassert>
#include <cstdlib>
#include <string_view>
#include <QDateTime>
#include <QDir>
#include <QFile>
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
#include <QStringDecoder>
#else
#include <QTextCodec>
#endif
#include <libtransmission/transmission.h>
#include <libtransmission/utils.h>
#include <libtransmission/variant.h>
#include "CustomVariantType.h"
#include "Prefs.h"
#include "VariantHelpers.h"
using ::trqt::variant_helpers::dictAdd;
using ::trqt::variant_helpers::getValue;
/***
****
***/
namespace
{
void ensureSoundCommandIsAList(tr_variant* dict)
{
tr_quark key = TR_KEY_torrent_complete_sound_command;
if (tr_variant* list = nullptr; tr_variantDictFindList(dict, key, &list))
{
return;
}
tr_variantDictRemove(dict, key);
dictAdd(
dict,
key,
std::array<std::string_view, 5>{
"canberra-gtk-play",
TR_ARG_TUPLE("-i", "complete-download"),
TR_ARG_TUPLE("-d", "transmission torrent downloaded"),
});
}
} // namespace
std::array<Prefs::PrefItem, Prefs::PREFS_COUNT> const Prefs::Items{
/* gui settings */
PrefItem{ OPTIONS_PROMPT, TR_KEY_show_options_window, QVariant::Bool },
{ OPEN_DIALOG_FOLDER, TR_KEY_open_dialog_dir, QVariant::String },
{ INHIBIT_HIBERNATION, TR_KEY_inhibit_desktop_hibernation, QVariant::Bool },
{ DIR_WATCH, TR_KEY_watch_dir, QVariant::String },
{ DIR_WATCH_ENABLED, TR_KEY_watch_dir_enabled, QVariant::Bool },
{ SHOW_TRAY_ICON, TR_KEY_show_notification_area_icon, QVariant::Bool },
{ START_MINIMIZED, TR_KEY_start_minimized, QVariant::Bool },
{ SHOW_NOTIFICATION_ON_ADD, TR_KEY_torrent_added_notification_enabled, QVariant::Bool },
{ SHOW_NOTIFICATION_ON_COMPLETE, TR_KEY_torrent_complete_notification_enabled, QVariant::Bool },
{ ASKQUIT, TR_KEY_prompt_before_exit, QVariant::Bool },
{ SORT_MODE, TR_KEY_sort_mode, CustomVariantType::SortModeType },
{ SORT_REVERSED, TR_KEY_sort_reversed, QVariant::Bool },
{ COMPACT_VIEW, TR_KEY_compact_view, QVariant::Bool },
{ FILTERBAR, TR_KEY_show_filterbar, QVariant::Bool },
{ STATUSBAR, TR_KEY_show_statusbar, QVariant::Bool },
{ STATUSBAR_STATS, TR_KEY_statusbar_stats, QVariant::String },
{ SHOW_TRACKER_SCRAPES, TR_KEY_show_extra_peer_details, QVariant::Bool },
{ SHOW_BACKUP_TRACKERS, TR_KEY_show_backup_trackers, QVariant::Bool },
{ TOOLBAR, TR_KEY_show_toolbar, QVariant::Bool },
{ BLOCKLIST_DATE, TR_KEY_blocklist_date, QVariant::DateTime },
{ BLOCKLIST_UPDATES_ENABLED, TR_KEY_blocklist_updates_enabled, QVariant::Bool },
{ MAIN_WINDOW_LAYOUT_ORDER, TR_KEY_main_window_layout_order, QVariant::String },
{ MAIN_WINDOW_HEIGHT, TR_KEY_main_window_height, QVariant::Int },
{ MAIN_WINDOW_WIDTH, TR_KEY_main_window_width, QVariant::Int },
{ MAIN_WINDOW_X, TR_KEY_main_window_x, QVariant::Int },
{ MAIN_WINDOW_Y, TR_KEY_main_window_y, QVariant::Int },
{ FILTER_MODE, TR_KEY_filter_mode, CustomVariantType::FilterModeType },
{ FILTER_TRACKERS, TR_KEY_filter_trackers, QVariant::String },
{ FILTER_TEXT, TR_KEY_filter_text, QVariant::String },
{ SESSION_IS_REMOTE, TR_KEY_remote_session_enabled, QVariant::Bool },
{ SESSION_REMOTE_HOST, TR_KEY_remote_session_host, QVariant::String },
{ SESSION_REMOTE_PORT, TR_KEY_remote_session_port, QVariant::Int },
{ SESSION_REMOTE_AUTH, TR_KEY_remote_session_requres_authentication, QVariant::Bool },
{ SESSION_REMOTE_USERNAME, TR_KEY_remote_session_username, QVariant::String },
{ SESSION_REMOTE_PASSWORD, TR_KEY_remote_session_password, QVariant::String },
{ COMPLETE_SOUND_COMMAND, TR_KEY_torrent_complete_sound_command, QVariant::StringList },
{ COMPLETE_SOUND_ENABLED, TR_KEY_torrent_complete_sound_enabled, QVariant::Bool },
{ USER_HAS_GIVEN_INFORMED_CONSENT, TR_KEY_user_has_given_informed_consent, QVariant::Bool },
{ READ_CLIPBOARD, TR_KEY_read_clipboard, QVariant::Bool },
/* libtransmission settings */
{ ALT_SPEED_LIMIT_UP, TR_KEY_alt_speed_up, QVariant::Int },
{ ALT_SPEED_LIMIT_DOWN, TR_KEY_alt_speed_down, QVariant::Int },
{ ALT_SPEED_LIMIT_ENABLED, TR_KEY_alt_speed_enabled, QVariant::Bool },
{ ALT_SPEED_LIMIT_TIME_BEGIN, TR_KEY_alt_speed_time_begin, QVariant::Int },
{ ALT_SPEED_LIMIT_TIME_END, TR_KEY_alt_speed_time_end, QVariant::Int },
{ ALT_SPEED_LIMIT_TIME_ENABLED, TR_KEY_alt_speed_time_enabled, QVariant::Bool },
{ ALT_SPEED_LIMIT_TIME_DAY, TR_KEY_alt_speed_time_day, QVariant::Int },
{ BLOCKLIST_ENABLED, TR_KEY_blocklist_enabled, QVariant::Bool },
{ BLOCKLIST_URL, TR_KEY_blocklist_url, QVariant::String },
{ DSPEED, TR_KEY_speed_limit_down, QVariant::Int },
{ DSPEED_ENABLED, TR_KEY_speed_limit_down_enabled, QVariant::Bool },
{ DOWNLOAD_DIR, TR_KEY_download_dir, QVariant::String },
{ DOWNLOAD_QUEUE_ENABLED, TR_KEY_download_queue_enabled, QVariant::Bool },
{ DOWNLOAD_QUEUE_SIZE, TR_KEY_download_queue_size, QVariant::Int },
{ ENCRYPTION, TR_KEY_encryption, QVariant::Int },
{ IDLE_LIMIT, TR_KEY_idle_seeding_limit, QVariant::Int },
{ IDLE_LIMIT_ENABLED, TR_KEY_idle_seeding_limit_enabled, QVariant::Bool },
{ INCOMPLETE_DIR, TR_KEY_incomplete_dir, QVariant::String },
{ INCOMPLETE_DIR_ENABLED, TR_KEY_incomplete_dir_enabled, QVariant::Bool },
{ MSGLEVEL, TR_KEY_message_level, QVariant::Int },
{ PEER_LIMIT_GLOBAL, TR_KEY_peer_limit_global, QVariant::Int },
{ PEER_LIMIT_TORRENT, TR_KEY_peer_limit_per_torrent, QVariant::Int },
{ PEER_PORT, TR_KEY_peer_port, QVariant::Int },
{ PEER_PORT_RANDOM_ON_START, TR_KEY_peer_port_random_on_start, QVariant::Bool },
{ PEER_PORT_RANDOM_LOW, TR_KEY_peer_port_random_low, QVariant::Int },
{ PEER_PORT_RANDOM_HIGH, TR_KEY_peer_port_random_high, QVariant::Int },
{ QUEUE_STALLED_MINUTES, TR_KEY_queue_stalled_minutes, QVariant::Int },
{ SCRIPT_TORRENT_DONE_ENABLED, TR_KEY_script_torrent_done_enabled, QVariant::Bool },
{ SCRIPT_TORRENT_DONE_FILENAME, TR_KEY_script_torrent_done_filename, QVariant::String },
{ SOCKET_TOS, TR_KEY_peer_socket_tos, QVariant::Int },
{ START, TR_KEY_start_added_torrents, QVariant::Bool },
{ TRASH_ORIGINAL, TR_KEY_trash_original_torrent_files, QVariant::Bool },
{ PEX_ENABLED, TR_KEY_pex_enabled, QVariant::Bool },
{ DHT_ENABLED, TR_KEY_dht_enabled, QVariant::Bool },
{ UTP_ENABLED, TR_KEY_utp_enabled, QVariant::Bool },
{ LPD_ENABLED, TR_KEY_lpd_enabled, QVariant::Bool },
{ PORT_FORWARDING, TR_KEY_port_forwarding_enabled, QVariant::Bool },
{ PREALLOCATION, TR_KEY_preallocation, QVariant::Int },
{ RATIO, TR_KEY_ratio_limit, QVariant::Double },
{ RATIO_ENABLED, TR_KEY_ratio_limit_enabled, QVariant::Bool },
{ RENAME_PARTIAL_FILES, TR_KEY_rename_partial_files, QVariant::Bool },
{ RPC_AUTH_REQUIRED, TR_KEY_rpc_authentication_required, QVariant::Bool },
{ RPC_ENABLED, TR_KEY_rpc_enabled, QVariant::Bool },
{ RPC_PASSWORD, TR_KEY_rpc_password, QVariant::String },
{ RPC_PORT, TR_KEY_rpc_port, QVariant::Int },
{ RPC_USERNAME, TR_KEY_rpc_username, QVariant::String },
{ RPC_WHITELIST_ENABLED, TR_KEY_rpc_whitelist_enabled, QVariant::Bool },
{ RPC_WHITELIST, TR_KEY_rpc_whitelist, QVariant::String },
{ USPEED_ENABLED, TR_KEY_speed_limit_up_enabled, QVariant::Bool },
{ USPEED, TR_KEY_speed_limit_up, QVariant::Int },
{ UPLOAD_SLOTS_PER_TORRENT, TR_KEY_upload_slots_per_torrent, QVariant::Int },
};
namespace
{
auto constexpr FilterModes = std::array<std::pair<int, std::string_view>, FilterMode::NUM_MODES>{ {
{ FilterMode::SHOW_ALL, "show-all" },
{ FilterMode::SHOW_ACTIVE, "show-active" },
{ FilterMode::SHOW_DOWNLOADING, "show-downloading" },
{ FilterMode::SHOW_SEEDING, "show-seeding" },
{ FilterMode::SHOW_PAUSED, "show-paused" },
{ FilterMode::SHOW_FINISHED, "show-finished" },
{ FilterMode::SHOW_VERIFYING, "show-verifying" },
{ FilterMode::SHOW_ERROR, "show-error" },
} };
auto constexpr SortModes = std::array<std::pair<int, std::string_view>, SortMode::NUM_MODES>{ {
{ SortMode::SORT_BY_NAME, "sort-by-name" },
{ SortMode::SORT_BY_ACTIVITY, "sort-by-activity" },
{ SortMode::SORT_BY_AGE, "sort-by-age" },
{ SortMode::SORT_BY_ETA, "sort-by-eta" },
{ SortMode::SORT_BY_PROGRESS, "sort-by-progress" },
{ SortMode::SORT_BY_QUEUE, "sort-by-queue" },
{ SortMode::SORT_BY_RATIO, "sort-by-ratio" },
{ SortMode::SORT_BY_SIZE, "sort-by-size" },
{ SortMode::SORT_BY_STATE, "sort-by-state" },
{ SortMode::SORT_BY_ID, "sort-by-id" },
} };
bool isValidUtf8(QByteArray const& byteArray)
{
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
auto decoder = QStringDecoder(QStringConverter::Utf8, QStringConverter::Flag::Stateless);
auto const text = QString(decoder.decode(byteArray));
return !decoder.hasError() && !text.contains(QChar::ReplacementCharacter);
#else
auto const* const codec = QTextCodec::codecForName("UTF-8");
auto state = QTextCodec::ConverterState{};
auto const text = codec->toUnicode(byteArray.constData(), byteArray.size(), &state);
return state.invalidChars == 0;
#endif
}
} // namespace
/***
****
***/
Prefs::Prefs(QString config_dir)
: config_dir_(std::move(config_dir))
{
static_assert(sizeof(Items) / sizeof(Items[0]) == PREFS_COUNT);
#ifndef NDEBUG
for (int i = 0; i < PREFS_COUNT; ++i)
{
assert(Items[i].id == i);
}
#endif
// these are the prefs that don't get saved to settings.json
// when the application exits.
temporary_prefs_ << FILTER_TEXT;
tr_variant top;
tr_variantInitDict(&top, 0);
initDefaults(&top);
tr_sessionLoadSettings(&top, config_dir_.toUtf8().constData(), nullptr);
ensureSoundCommandIsAList(&top);
for (int i = 0; i < PREFS_COUNT; ++i)
{
tr_variant const* b = tr_variantDictFind(&top, Items[i].key);
switch (Items[i].type)
{
case QVariant::Int:
{
auto const value = getValue<int64_t>(b);
if (value)
{
values_[i].setValue(*value);
}
}
break;
case CustomVariantType::SortModeType:
{
auto const value = getValue<std::string_view>(b);
if (value)
{
auto const test = [&value](auto const& item)
{
return item.second == *value;
};
// NOLINTNEXTLINE(readability-qualified-auto)
auto const it = std::find_if(std::cbegin(SortModes), std::cend(SortModes), test);
auto const& pair = it == std::end(SortModes) ? SortModes.front() : *it;
values_[i] = QVariant::fromValue(SortMode(pair.first));
}
}
break;
case CustomVariantType::FilterModeType:
{
auto const value = getValue<std::string_view>(b);
if (value)
{
auto const test = [&value](auto const& item)
{
return item.second == *value;
};
// NOLINTNEXTLINE(readability-qualified-auto)
auto const it = std::find_if(std::cbegin(FilterModes), std::cend(FilterModes), test);
auto const& pair = it == std::end(FilterModes) ? FilterModes.front() : *it;
values_[i] = QVariant::fromValue(FilterMode(pair.first));
}
}
break;
case QVariant::String:
{
auto const value = getValue<QString>(b);
if (value)
{
values_[i].setValue(*value);
}
}
break;
case QVariant::StringList:
{
auto const value = getValue<QStringList>(b);
if (value)
{
values_[i].setValue(*value);
}
}
break;
case QVariant::Bool:
{
auto const value = getValue<bool>(b);
if (value)
{
values_[i].setValue(*value);
}
}
break;
case QVariant::Double:
{
auto const value = getValue<double>(b);
if (value)
{
values_[i].setValue(*value);
}
}
break;
case QVariant::DateTime:
{
auto const value = getValue<time_t>(b);
if (value)
{
#if QT_VERSION >= QT_VERSION_CHECK(5, 8, 0)
values_[i].setValue(QDateTime::fromSecsSinceEpoch(*value));
#else
values_[i].setValue(QDateTime::fromTime_t(*value));
#endif
}
}
break;
default:
assert(false && "unhandled type");
break;
}
}
tr_variantFree(&top);
}
Prefs::~Prefs()
{
// make a dict from settings.json
tr_variant current_settings;
tr_variantInitDict(&current_settings, PREFS_COUNT);
for (int i = 0; i < PREFS_COUNT; ++i)
{
if (temporary_prefs_.contains(i))
{
continue;
}
tr_quark const key = Items[i].key;
QVariant const& val = values_[i];
switch (Items[i].type)
{
case QVariant::Int:
dictAdd(&current_settings, key, val.toInt());
break;
case CustomVariantType::SortModeType:
{
auto const mode = val.value<SortMode>().mode();
auto const test = [&mode](auto const& item)
{
return item.first == mode;
};
// NOLINTNEXTLINE(readability-qualified-auto)
auto const it = std::find_if(std::cbegin(SortModes), std::cend(SortModes), test);
auto const& pair = it == std::end(SortModes) ? SortModes.front() : *it;
dictAdd(&current_settings, key, pair.second);
break;
}
case CustomVariantType::FilterModeType:
{
auto const mode = val.value<FilterMode>().mode();
auto const test = [&mode](auto const& item)
{
return item.first == mode;
};
// NOLINTNEXTLINE(readability-qualified-auto)
auto const it = std::find_if(std::cbegin(FilterModes), std::cend(FilterModes), test);
auto const& pair = it == std::end(FilterModes) ? FilterModes.front() : *it;
dictAdd(&current_settings, key, pair.second);
break;
}
case QVariant::String:
dictAdd(&current_settings, key, val.toString());
break;
case QVariant::StringList:
dictAdd(&current_settings, key, val.toStringList());
break;
case QVariant::Bool:
dictAdd(&current_settings, key, val.toBool());
break;
case QVariant::Double:
dictAdd(&current_settings, key, val.toDouble());
break;
case QVariant::DateTime:
#if QT_VERSION >= QT_VERSION_CHECK(5, 8, 0)
dictAdd(&current_settings, key, int64_t{ val.toDateTime().toSecsSinceEpoch() });
#else
dictAdd(&current_settings, key, val.toDateTime().toTime_t());
#endif
break;
default:
assert(false && "unhandled type");
break;
}
}
// update settings.json with our settings
tr_variant file_settings;
QFile const file(QDir(config_dir_).absoluteFilePath(QStringLiteral("settings.json")));
if (!tr_variantFromFile(&file_settings, TR_VARIANT_PARSE_JSON, file.fileName().toUtf8().constData(), nullptr))
{
tr_variantInitDict(&file_settings, PREFS_COUNT);
}
tr_variantMergeDicts(&file_settings, &current_settings);
tr_variantToFile(&file_settings, TR_VARIANT_FMT_JSON, file.fileName().toUtf8().constData());
tr_variantFree(&file_settings);
// cleanup
tr_variantFree(&current_settings);
}
/**
* This is where we initialize the preferences file with the default values.
* If you add a new preferences key, you /must/ add a default value here.
*/
void Prefs::initDefaults(tr_variant* d) const
{
auto constexpr FilterMode = std::string_view{ "all" };
auto constexpr SessionHost = std::string_view{ "localhost" };
auto constexpr SessionPassword = std::string_view{};
auto constexpr SessionUsername = std::string_view{};
auto constexpr SortMode = std::string_view{ "sort-by-name" };
auto constexpr StatsMode = std::string_view{ "total-ratio" };
auto constexpr WindowLayout = std::string_view{ "menu,toolbar,filter,list,statusbar" };
auto const download_dir = std::string_view{ tr_getDefaultDownloadDir() };
tr_variantDictReserve(d, 38);
dictAdd(d, TR_KEY_blocklist_updates_enabled, true);
dictAdd(d, TR_KEY_compact_view, false);
dictAdd(d, TR_KEY_inhibit_desktop_hibernation, false);
dictAdd(d, TR_KEY_prompt_before_exit, true);
dictAdd(d, TR_KEY_remote_session_enabled, false);
dictAdd(d, TR_KEY_remote_session_requres_authentication, false);
dictAdd(d, TR_KEY_show_backup_trackers, false);
dictAdd(d, TR_KEY_show_extra_peer_details, false);
dictAdd(d, TR_KEY_show_filterbar, true);
dictAdd(d, TR_KEY_show_notification_area_icon, false);
dictAdd(d, TR_KEY_start_minimized, false);
dictAdd(d, TR_KEY_show_options_window, true);
dictAdd(d, TR_KEY_show_statusbar, true);
dictAdd(d, TR_KEY_show_toolbar, true);
dictAdd(d, TR_KEY_show_tracker_scrapes, false);
dictAdd(d, TR_KEY_sort_reversed, false);
dictAdd(d, TR_KEY_torrent_added_notification_enabled, true);
dictAdd(d, TR_KEY_torrent_complete_notification_enabled, true);
dictAdd(d, TR_KEY_torrent_complete_sound_enabled, true);
dictAdd(d, TR_KEY_user_has_given_informed_consent, false);
dictAdd(d, TR_KEY_watch_dir_enabled, false);
dictAdd(d, TR_KEY_blocklist_date, 0);
dictAdd(d, TR_KEY_main_window_height, 500);
dictAdd(d, TR_KEY_main_window_width, 300);
dictAdd(d, TR_KEY_main_window_x, 50);
dictAdd(d, TR_KEY_main_window_y, 50);
dictAdd(d, TR_KEY_remote_session_port, TR_DEFAULT_RPC_PORT);
dictAdd(d, TR_KEY_download_dir, download_dir);
dictAdd(d, TR_KEY_filter_mode, FilterMode);
dictAdd(d, TR_KEY_main_window_layout_order, WindowLayout);
dictAdd(d, TR_KEY_open_dialog_dir, QDir::home().absolutePath());
dictAdd(d, TR_KEY_remote_session_host, SessionHost);
dictAdd(d, TR_KEY_remote_session_password, SessionPassword);
dictAdd(d, TR_KEY_remote_session_username, SessionUsername);
dictAdd(d, TR_KEY_sort_mode, SortMode);
dictAdd(d, TR_KEY_statusbar_stats, StatsMode);
dictAdd(d, TR_KEY_watch_dir, download_dir);
dictAdd(d, TR_KEY_read_clipboard, false);
}
/***
****
***/
bool Prefs::getBool(int key) const
{
assert(Items[key].type == QVariant::Bool);
return values_[key].toBool();
}
QString Prefs::getString(int key) const
{
assert(Items[key].type == QVariant::String);
if (auto const b = values_[key].toByteArray(); isValidUtf8(b.constData()))
{
values_[key].setValue(QString::fromUtf8(b.constData()));
}
return values_[key].toString();
}
int Prefs::getInt(int key) const
{
assert(Items[key].type == QVariant::Int);
return values_[key].toInt();
}
double Prefs::getDouble(int key) const
{
assert(Items[key].type == QVariant::Double);
return values_[key].toDouble();
}
QDateTime Prefs::getDateTime(int key) const
{
assert(Items[key].type == QVariant::DateTime);
return values_[key].toDateTime();
}
/***
****
***/
void Prefs::toggleBool(int key)
{
set(key, !getBool(key));
}
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