From 482fbded9b2dd2d5dd0ac55d66d456d7ffefaaa2 Mon Sep 17 00:00:00 2001
From: zeltermann <136022354+zeltermann@users.noreply.github.com>
Date: Fri, 9 Jun 2023 11:42:23 +0700
Subject: [PATCH] Only use SDL wakelock on Linux SDL has internally fixed
 shenanigans related to wakelocking through DBus from inside sandboxes from
 around August 2022, so we can now remove the workaround we used since 2021.

---
 src/input_common/drivers/sdl_driver.cpp |  4 ++
 src/yuzu/main.cpp                       | 58 ++++---------------------
 src/yuzu/main.h                         |  2 -
 3 files changed, 12 insertions(+), 52 deletions(-)

diff --git a/src/input_common/drivers/sdl_driver.cpp b/src/input_common/drivers/sdl_driver.cpp
index 9a0439bb5..ab64a64a2 100644
--- a/src/input_common/drivers/sdl_driver.cpp
+++ b/src/input_common/drivers/sdl_driver.cpp
@@ -483,6 +483,10 @@ void SDLDriver::CloseJoysticks() {
 }
 
 SDLDriver::SDLDriver(std::string input_engine_) : InputEngine(std::move(input_engine_)) {
+    // Set our application name. Currently passed to DBus by SDL and visible to the user through
+    // their desktop environment.
+    SDL_SetHint(SDL_HINT_APP_NAME, "yuzu");
+
     if (!Settings::values.enable_raw_input) {
         // Disable raw input. When enabled this setting causes SDL to die when a web applet opens
         SDL_SetHint(SDL_HINT_JOYSTICK_RAWINPUT, "0");
diff --git a/src/yuzu/main.cpp b/src/yuzu/main.cpp
index 45a39451d..2133f7343 100644
--- a/src/yuzu/main.cpp
+++ b/src/yuzu/main.cpp
@@ -447,6 +447,14 @@ GMainWindow::GMainWindow(std::unique_ptr<Config> config_, bool has_broken_vulkan
 
 #if defined(HAVE_SDL2) && !defined(_WIN32)
     SDL_InitSubSystem(SDL_INIT_VIDEO);
+
+    // Set a screensaver inhibition reason string. Currently passed to DBus by SDL and visible to
+    // the user through their desktop environment.
+    //: TRANSLATORS: This string is shown to the user to explain why yuzu needs to prevent the
+    //: computer from sleeping
+    QByteArray wakelock_reason = tr("Running a game").toLatin1();
+    SDL_SetHint(SDL_HINT_SCREENSAVER_INHIBIT_ACTIVITY_NAME, wakelock_reason.data());
+
     // SDL disables the screen saver by default, and setting the hint
     // SDL_HINT_VIDEO_ALLOW_SCREENSAVER doesn't seem to work, so we just enable the screen saver
     // for now.
@@ -1623,45 +1631,6 @@ void GMainWindow::OnPrepareForSleep(bool prepare_sleep) {
 }
 
 #ifdef __unix__
-static std::optional<QDBusObjectPath> HoldWakeLockLinux(u32 window_id = 0) {
-    if (!QDBusConnection::sessionBus().isConnected()) {
-        return {};
-    }
-    // reference: https://flatpak.github.io/xdg-desktop-portal/#gdbus-org.freedesktop.portal.Inhibit
-    QDBusInterface xdp(QString::fromLatin1("org.freedesktop.portal.Desktop"),
-                       QString::fromLatin1("/org/freedesktop/portal/desktop"),
-                       QString::fromLatin1("org.freedesktop.portal.Inhibit"));
-    if (!xdp.isValid()) {
-        LOG_WARNING(Frontend, "Couldn't connect to XDP D-Bus endpoint");
-        return {};
-    }
-    QVariantMap options = {};
-    //: TRANSLATORS: This string is shown to the user to explain why yuzu needs to prevent the
-    //: computer from sleeping
-    options.insert(QString::fromLatin1("reason"),
-                   QCoreApplication::translate("GMainWindow", "yuzu is running a game"));
-    // 0x4: Suspend lock; 0x8: Idle lock
-    QDBusReply<QDBusObjectPath> reply =
-        xdp.call(QString::fromLatin1("Inhibit"),
-                 QString::fromLatin1("x11:") + QString::number(window_id, 16), 12U, options);
-
-    if (reply.isValid()) {
-        return reply.value();
-    }
-    LOG_WARNING(Frontend, "Couldn't read Inhibit reply from XDP: {}",
-                reply.error().message().toStdString());
-    return {};
-}
-
-static void ReleaseWakeLockLinux(QDBusObjectPath lock) {
-    if (!QDBusConnection::sessionBus().isConnected()) {
-        return;
-    }
-    QDBusInterface unlocker(QString::fromLatin1("org.freedesktop.portal.Desktop"), lock.path(),
-                            QString::fromLatin1("org.freedesktop.portal.Request"));
-    unlocker.call(QString::fromLatin1("Close"));
-}
-
 std::array<int, 3> GMainWindow::sig_interrupt_fds{0, 0, 0};
 
 void GMainWindow::SetupSigInterrupts() {
@@ -1714,12 +1683,6 @@ void GMainWindow::PreventOSSleep() {
     SetThreadExecutionState(ES_CONTINUOUS | ES_SYSTEM_REQUIRED | ES_DISPLAY_REQUIRED);
 #elif defined(HAVE_SDL2)
     SDL_DisableScreenSaver();
-#ifdef __unix__
-    auto reply = HoldWakeLockLinux(winId());
-    if (reply) {
-        wake_lock = std::move(reply.value());
-    }
-#endif
 #endif
 }
 
@@ -1728,11 +1691,6 @@ void GMainWindow::AllowOSSleep() {
     SetThreadExecutionState(ES_CONTINUOUS);
 #elif defined(HAVE_SDL2)
     SDL_EnableScreenSaver();
-#ifdef __unix__
-    if (!wake_lock.path().isEmpty()) {
-        ReleaseWakeLockLinux(wake_lock);
-    }
-#endif
 #endif
 }
 
diff --git a/src/yuzu/main.h b/src/yuzu/main.h
index e0e775d87..2cfb96257 100644
--- a/src/yuzu/main.h
+++ b/src/yuzu/main.h
@@ -504,8 +504,6 @@ private:
 #ifdef __unix__
     QSocketNotifier* sig_interrupt_notifier;
     static std::array<int, 3> sig_interrupt_fds;
-
-    QDBusObjectPath wake_lock{};
 #endif
 
 protected: