mirror of
https://github.com/transmission/transmission
synced 2024-12-25 09:13:06 +00:00
291 lines
7.7 KiB
C++
291 lines
7.7 KiB
C++
// This file Copyright © 2008-2023 Mnemosyne LLC.
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// It may be used under GPLv2 (SPDX: GPL-2.0-only), GPLv3 (SPDX: GPL-3.0-only),
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// or any future license endorsed by Mnemosyne LLC.
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// License text can be found in the licenses/ folder.
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#include "Notify.h"
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#include "GtkCompat.h"
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#include "Prefs.h"
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#include "PrefsDialog.h"
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#include "Session.h"
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#include "Utils.h"
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#include <giomm/asyncresult.h>
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#include <giomm/dbusproxy.h>
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#include <glibmm/error.h>
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#include <glibmm/i18n.h>
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#include <glibmm/miscutils.h>
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#include <glibmm/spawn.h>
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#include <glibmm/ustring.h>
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#include <glibmm/variant.h>
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#include <fmt/core.h>
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#include <map>
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#include <utility>
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#include <vector>
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using namespace std::literals;
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using StringVariantType = Glib::Variant<Glib::ustring>;
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using StringListVariantType = Glib::Variant<std::vector<Glib::ustring>>;
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using UInt32VariantType = Glib::Variant<guint32>;
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namespace
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{
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auto const NotificationsDbusName = "org.freedesktop.Notifications"sv; // TODO(C++20): Use ""s
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auto const NotificationsDbusCoreObject = "/org/freedesktop/Notifications"sv; // TODO(C++20): Use ""s
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auto const NotificationsDbusCoreInterface = "org.freedesktop.Notifications"sv; // TODO(C++20): Use ""s
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struct TrNotification
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{
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Glib::RefPtr<Session> core;
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tr_torrent_id_t torrent_id = {};
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};
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Glib::RefPtr<Gio::DBus::Proxy> proxy;
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std::map<guint32, TrNotification> active_notifications;
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bool server_supports_actions = false;
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template<typename... Ts>
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Glib::VariantContainerBase make_variant_tuple(Ts&&... args)
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{
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return Glib::VariantContainerBase::create_tuple(
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{ Glib::Variant<std::remove_cv_t<std::remove_reference_t<Ts>>>::create(std::forward<Ts>(args))... });
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}
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void get_capabilities_callback(Glib::RefPtr<Gio::AsyncResult>& res)
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{
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auto result = Glib::VariantContainerBase();
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try
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{
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result = proxy->call_finish(res);
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}
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catch (Glib::Error const&)
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{
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return;
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}
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if (!result || result.get_n_children() != 1 || !result.get_child(0).is_of_type(StringListVariantType::variant_type()))
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{
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return;
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}
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auto const caps = Glib::VariantBase::cast_dynamic<StringListVariantType>(result.get_child(0)).get();
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for (auto const& cap : caps)
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{
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if (cap == "actions")
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{
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server_supports_actions = true;
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break;
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}
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}
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}
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void g_signal_callback(
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Glib::ustring const& /*sender_name*/,
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Glib::ustring const& signal_name,
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Glib::VariantContainerBase params)
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{
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g_return_if_fail(params.get_n_children() > 0 && params.get_child(0).is_of_type(UInt32VariantType::variant_type()));
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auto const id = Glib::VariantBase::cast_dynamic<UInt32VariantType>(params.get_child(0)).get();
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auto const n_it = active_notifications.find(id);
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if (n_it == active_notifications.end())
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{
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return;
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}
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auto const& n = n_it->second;
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if (signal_name == "NotificationClosed")
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{
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active_notifications.erase(n_it);
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}
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else if (
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signal_name == "ActionInvoked" && params.get_n_children() > 1 &&
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params.get_child(1).is_of_type(StringVariantType::variant_type()))
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{
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auto const* tor = n.core->find_torrent(n.torrent_id);
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if (tor == nullptr)
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{
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return;
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}
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auto const action = Glib::VariantBase::cast_dynamic<StringVariantType>(params.get_child(1)).get();
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if (action == "folder")
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{
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n.core->open_folder(n.torrent_id);
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}
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else if (action == "file")
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{
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char const* dir = tr_torrentGetDownloadDir(tor);
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auto const path = Glib::build_filename(dir, tr_torrentFile(tor, 0).name);
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gtr_open_file(path);
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}
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else if (action == "start-now")
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{
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n.core->start_now(n.torrent_id);
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}
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}
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}
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void dbus_proxy_ready_callback(Glib::RefPtr<Gio::AsyncResult>& res)
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{
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try
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{
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proxy = Gio::DBus::Proxy::create_for_bus_finish(res);
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}
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catch (Glib::Error const& e)
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{
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gtr_warning(fmt::format(
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_("Couldn't create proxy for '{bus}': {error} ({error_code})"),
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fmt::arg("bus", NotificationsDbusName),
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fmt::arg("error", TR_GLIB_EXCEPTION_WHAT(e)),
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fmt::arg("error_code", e.code())));
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return;
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}
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proxy->signal_signal().connect(&g_signal_callback);
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proxy->call("GetCapabilities", &get_capabilities_callback);
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}
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} // namespace
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void gtr_notify_init()
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{
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Gio::DBus::Proxy::create_for_bus(
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TR_GIO_DBUS_BUS_TYPE(SESSION),
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std::string(NotificationsDbusName),
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std::string(NotificationsDbusCoreObject),
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std::string(NotificationsDbusCoreInterface),
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&dbus_proxy_ready_callback,
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{},
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TR_GIO_DBUS_PROXY_FLAGS(DO_NOT_LOAD_PROPERTIES));
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}
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namespace
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{
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void notify_callback(Glib::RefPtr<Gio::AsyncResult>& res, TrNotification const& n)
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{
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auto result = Glib::VariantContainerBase();
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try
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{
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result = proxy->call_finish(res);
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}
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catch (Glib::Error const&)
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{
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return;
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}
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if (!result || result.get_n_children() != 1 || !result.get_child(0).is_of_type(UInt32VariantType::variant_type()))
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{
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return;
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}
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auto const id = Glib::VariantBase::cast_dynamic<UInt32VariantType>(result.get_child(0)).get();
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active_notifications.try_emplace(id, n);
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}
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} // namespace
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void gtr_notify_torrent_completed(Glib::RefPtr<Session> const& core, tr_torrent_id_t tor_id)
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{
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if (gtr_pref_flag_get(TR_KEY_torrent_complete_sound_enabled))
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{
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auto const argv = gtr_pref_strv_get(TR_KEY_torrent_complete_sound_command);
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try
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{
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Glib::spawn_async({}, argv, TR_GLIB_SPAWN_FLAGS(SEARCH_PATH));
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}
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catch (Glib::SpawnError const&)
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{
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}
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}
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if (!gtr_pref_flag_get(TR_KEY_torrent_complete_notification_enabled))
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{
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return;
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}
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g_return_if_fail(proxy != nullptr);
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auto const* const tor = core->find_torrent(tor_id);
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auto const n = TrNotification{ core, tor_id };
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std::vector<Glib::ustring> actions;
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if (server_supports_actions)
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{
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if (tr_torrentFileCount(tor) == 1)
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{
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actions.emplace_back("file");
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actions.emplace_back(_("Open File"));
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}
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else
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{
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actions.emplace_back("folder");
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actions.emplace_back(_("Open Folder"));
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}
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}
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std::map<Glib::ustring, Glib::VariantBase> hints;
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hints.try_emplace("category", StringVariantType::create("transfer.complete"));
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proxy->call(
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"Notify",
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[n](auto& res) { notify_callback(res, n); },
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make_variant_tuple(
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Glib::ustring("Transmission"),
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0U,
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Glib::ustring("transmission"),
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Glib::ustring(_("Torrent Complete")),
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Glib::ustring(tr_torrentName(tor)),
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actions,
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hints,
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-1));
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}
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void gtr_notify_torrent_added(Glib::RefPtr<Session> const& core, tr_torrent_id_t tor_id)
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{
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g_return_if_fail(proxy != nullptr);
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if (!gtr_pref_flag_get(TR_KEY_torrent_added_notification_enabled))
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{
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return;
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}
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auto const* const tor = core->find_torrent(tor_id);
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std::vector<Glib::ustring> actions;
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if (server_supports_actions)
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{
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actions.emplace_back("start-now");
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actions.emplace_back(_("Start Now"));
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}
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auto const n = TrNotification{ core, tor_id };
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proxy->call(
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"Notify",
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[n](auto& res) { notify_callback(res, n); },
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make_variant_tuple(
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Glib::ustring("Transmission"),
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0U,
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Glib::ustring("transmission"),
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Glib::ustring(_("Torrent Added")),
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Glib::ustring(tr_torrentName(tor)),
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actions,
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std::map<Glib::ustring, Glib::VariantBase>(),
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-1));
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}
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