Implement GNOME Settings Daemon MediaKeys handling.
Clean up some warnings.
This commit is contained in:
Joshua Strobl
parent
43ebe6d041
commit
e18b8ca100
5 changed files with 210 additions and 10 deletions
174
src/playback/media-keys.c
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174
src/playback/media-keys.c
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/* media-keys.c
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*
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* Copyright 2021 Joshua Strobl
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <glib-2.0/glib.h>
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#include <glib-2.0/gio/gio.h>
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#include <gtk-4.0/gtk/gtk.h>
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#include "engine.h"
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#include "media-keys.h"
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extern GtkWindow *main_window;
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extern KotoPlaybackEngine *playback_engine;
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GDBusConnection *media_keys_dbus_conn = NULL;
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GDBusProxy *media_keys_proxy = NULL;
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GDBusNodeInfo *media_keys_introspection_data = NULL;
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static const gchar introspection_xml[] =
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"<node name='/org/gnome/SettingsDaemon/MediaKeys'>"
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" <interface name='org.gnome.SettingsDaemon.MediaKeys'>"
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" <annotation name='org.freedesktop.DBus.GLib.CSymbol' value='gsd_media_keys_manager'/>"
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" <method name='GrabMediaPlayerKeys'>"
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" <arg name='application' direction='in' type='s'/>"
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" <arg name='time' direction='in' type='u'/>"
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" </method>"
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" <method name='ReleaseMediaPlayerKeys'>"
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" <arg name='application' direction='in' type='s'/>"
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" </method>"
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" <signal name='MediaPlayerKeyPressed'>"
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" <arg name='application' type='s'/>"
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" <arg name='key' type='s'/>"
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" </signal>"
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" </interface>"
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"</node>";
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void grab_media_keys() {
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if (media_keys_proxy == NULL) { // No connection
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return;
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}
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g_dbus_proxy_call(
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media_keys_proxy,
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"GrabMediaPlayerKeys",
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g_variant_new("(su)", "com.github.joshstrobl.koto", 0),
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G_DBUS_CALL_FLAGS_NONE,
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-1,
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NULL,
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handle_media_keys_async_done,
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NULL
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);
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}
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void handle_media_keys_async_done(GObject *source_object, GAsyncResult *res, gpointer user_data) {
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(void) user_data;
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g_dbus_proxy_call_finish(G_DBUS_PROXY(source_object), res, NULL); // Ensure we finish our call
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}
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void handle_media_keys_signal(GDBusProxy *proxy, const gchar *sender_name, const gchar *signal_name, GVariant *parameters, gpointer user_data) {
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(void) proxy; (void) sender_name; (void) user_data;
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if (g_strcmp0(signal_name, "MediaPlayerKeyPressed") != 0) { // Not MediaPlayerKeyPressed
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return;
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}
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gchar *application_name = NULL;
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gchar *key = NULL;
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g_variant_get(parameters, "(ss)", &application_name, &key);
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if (g_strcmp0(application_name, "com.github.joshstrobl.koto") != 0) { // Not for Koto
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return;
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}
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if (g_strcmp0(key, "Play") == 0) {
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koto_playback_engine_play(playback_engine);
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} else if (g_strcmp0(key, "Pause") == 0) {
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koto_playback_engine_pause(playback_engine);
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} else if (g_strcmp0(key, "Stop") == 0) {
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koto_playback_engine_stop(playback_engine);
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} else if (g_strcmp0(key, "Previous") == 0) {
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koto_playback_engine_backwards(playback_engine);
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} else if (g_strcmp0(key, "Next") == 0) {
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koto_playback_engine_forwards(playback_engine);
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} else if (g_strcmp0(key, "Repeat") == 0) {
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koto_playback_engine_toggle_track_repeat(playback_engine);
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} else if (g_strcmp0(key, "Shuffle") == 0) {
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koto_playback_engine_toggle_track_shuffle(playback_engine);
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}
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}
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void handle_window_enter(GtkEventControllerFocus *controller, gpointer user_data) {
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grab_media_keys(); // Grab our media keys
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}
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void handle_window_leave(GtkEventControllerFocus *controller, gpointer user_data) {
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release_media_keys(); // Release our media keys
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}
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void release_media_keys() {
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if (media_keys_dbus_conn == NULL) { // No connection
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return;
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}
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GVariant *params = g_variant_new_string(g_strdup("com.github.joshstrobl.koto"));
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g_dbus_proxy_call(
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media_keys_proxy,
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"ReleaseMediaPlayerKeys",
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params,
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G_DBUS_CALL_FLAGS_NONE,
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-1,
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NULL,
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handle_media_keys_async_done,
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NULL
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);
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}
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void setup_mediakeys_interface() {
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media_keys_introspection_data = g_dbus_node_info_new_for_xml(introspection_xml, NULL);
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g_assert(media_keys_introspection_data != NULL);
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GDBusConnection *bus;
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GError *error = NULL;
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bus = g_bus_get_sync(G_BUS_TYPE_SESSION, NULL, &error);
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if (bus == NULL) { // Failed to get session bus
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g_printerr("Failed to get our session bus: %s\n", error->message);
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g_error_free(error);
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return;
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}
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media_keys_proxy = g_dbus_proxy_new_sync(
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bus,
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G_DBUS_PROXY_FLAGS_NONE,
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NULL,
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"org.gnome.SettingsDaemon.MediaKeys",
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"/org/gnome/SettingsDaemon/MediaKeys",
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"org.gnome.SettingsDaemon.MediaKeys",
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NULL,
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&error
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);
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if (media_keys_proxy == NULL) {
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g_printerr("Failed to get a proxy to GNOME Settings Daemon Media-Keys: %s\n", error->message);
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g_error_free(error);
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return;
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}
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g_signal_connect_object(
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media_keys_proxy,
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"g-signal",
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G_CALLBACK(handle_media_keys_signal),
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NULL,
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0
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);
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GtkEventController *focus_controller = gtk_event_controller_focus_new(); // Create a new focus controller
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g_signal_connect(focus_controller, "enter", G_CALLBACK(handle_window_enter), NULL);
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g_signal_connect(focus_controller, "leave", G_CALLBACK(handle_window_leave), NULL);
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gtk_widget_add_controller(GTK_WIDGET(main_window), focus_controller);
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}
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32
src/playback/media-keys.h
Normal file
32
src/playback/media-keys.h
Normal file
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@ -0,0 +1,32 @@
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/* media-keys.h
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*
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* Copyright 2021 Joshua Strobl
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <glib-2.0/glib.h>
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#include <glib-2.0/gio/gio.h>
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#include <gtk-4.0/gtk/gtk.h>
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G_BEGIN_DECLS
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void grab_media_keys();
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void handle_media_keys_async_done(GObject *source_object, GAsyncResult *res, gpointer user_data);
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void handle_media_keys_signal(GDBusProxy *proxy, const gchar *sender_name, const gchar *signal_name, GVariant *parameters, gpointer user_data);
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void handle_window_enter(GtkEventControllerFocus *controller, gpointer user_data);
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void handle_window_leave(GtkEventControllerFocus *controller, gpointer user_data);
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void release_media_keys();
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void setup_mediakeys_interface();
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G_END_DECLS
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