182 lines
4.2 KiB
C++
182 lines
4.2 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#include "platform/linux/linux_gsd_media_keys.h"
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#include "core/sandbox.h"
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#include "media/player/media_player_instance.h"
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#include <QtDBus/QDBusConnection>
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#include <QtDBus/QDBusConnectionInterface>
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extern "C" {
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#undef signals
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#include <gio/gio.h>
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#define signals public
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} // extern "C"
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namespace Platform {
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namespace internal {
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namespace {
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constexpr auto kService = "org.gnome.SettingsDaemon.MediaKeys"_cs;
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constexpr auto kOldService = "org.gnome.SettingsDaemon"_cs;
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constexpr auto kMATEService = "org.mate.SettingsDaemon"_cs;
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constexpr auto kObjectPath = "/org/gnome/SettingsDaemon/MediaKeys"_cs;
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constexpr auto kMATEObjectPath = "/org/mate/SettingsDaemon/MediaKeys"_cs;
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constexpr auto kInterface = kService;
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constexpr auto kMATEInterface = "org.mate.SettingsDaemon.MediaKeys"_cs;
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void KeyPressed(
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GDBusConnection *connection,
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const gchar *sender_name,
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const gchar *object_path,
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const gchar *interface_name,
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const gchar *signal_name,
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GVariant *parameters,
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gpointer user_data) {
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gchar *appUtf8;
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gchar *keyUtf8;
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g_variant_get(parameters, "(ss)", &appUtf8, &keyUtf8);
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const auto app = QString::fromUtf8(appUtf8);
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const auto key = QString::fromUtf8(keyUtf8);
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g_free(keyUtf8);
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g_free(appUtf8);
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if (app != QCoreApplication::applicationName()) {
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return;
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}
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Core::Sandbox::Instance().customEnterFromEventLoop([&] {
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if (key == qstr("Play")) {
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Media::Player::instance()->playPause();
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} else if (key == qstr("Stop")) {
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Media::Player::instance()->stop();
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} else if (key == qstr("Next")) {
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Media::Player::instance()->next();
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} else if (key == qstr("Previous")) {
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Media::Player::instance()->previous();
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}
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});
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}
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} // namespace
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GSDMediaKeys::GSDMediaKeys() {
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GError *error = nullptr;
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const auto interface = QDBusConnection::sessionBus().interface();
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if (!interface) {
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return;
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}
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if (interface->isServiceRegistered(kService.utf16())) {
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_service = kService.utf16();
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_objectPath = kObjectPath.utf16();
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_interface = kInterface.utf16();
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} else if (interface->isServiceRegistered(kOldService.utf16())) {
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_service = kOldService.utf16();
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_objectPath = kObjectPath.utf16();
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_interface = kInterface.utf16();
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} else if (interface->isServiceRegistered(kMATEService.utf16())) {
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_service = kMATEService.utf16();
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_objectPath = kMATEObjectPath.utf16();
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_interface = kMATEInterface.utf16();
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} else {
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return;
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}
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_dbusConnection = g_bus_get_sync(
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G_BUS_TYPE_SESSION,
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nullptr,
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&error);
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if (error) {
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LOG(("GSD Media Keys Error: %1").arg(error->message));
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g_error_free(error);
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return;
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}
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auto reply = g_dbus_connection_call_sync(
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_dbusConnection,
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_service.toUtf8(),
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_objectPath.toUtf8(),
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_interface.toUtf8(),
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"GrabMediaPlayerKeys",
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g_variant_new(
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"(su)",
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QCoreApplication::applicationName().toUtf8().constData(),
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0),
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nullptr,
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G_DBUS_CALL_FLAGS_NONE,
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-1,
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nullptr,
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&error);
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if (!error) {
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_grabbed = true;
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g_variant_unref(reply);
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} else {
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LOG(("GSD Media Keys Error: %1").arg(error->message));
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g_error_free(error);
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}
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_signalId = g_dbus_connection_signal_subscribe(
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_dbusConnection,
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_service.toUtf8(),
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_interface.toUtf8(),
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"MediaPlayerKeyPressed",
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_objectPath.toUtf8(),
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nullptr,
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G_DBUS_SIGNAL_FLAGS_NONE,
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KeyPressed,
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nullptr,
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nullptr);
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}
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GSDMediaKeys::~GSDMediaKeys() {
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GError *error = nullptr;
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if (_signalId != 0) {
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g_dbus_connection_signal_unsubscribe(
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_dbusConnection,
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_signalId);
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}
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if (_grabbed) {
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auto reply = g_dbus_connection_call_sync(
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_dbusConnection,
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_service.toUtf8(),
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_objectPath.toUtf8(),
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_interface.toUtf8(),
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"ReleaseMediaPlayerKeys",
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g_variant_new(
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"(s)",
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QCoreApplication::applicationName().toUtf8().constData()),
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nullptr,
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G_DBUS_CALL_FLAGS_NONE,
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-1,
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nullptr,
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&error);
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if (!error) {
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_grabbed = false;
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g_variant_unref(reply);
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} else {
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LOG(("GSD Media Keys Error: %1").arg(error->message));
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g_error_free(error);
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}
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}
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if (_dbusConnection) {
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g_object_unref(_dbusConnection);
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}
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}
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} // namespace internal
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} // namespace Platform
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