init hs project

1 files changed, 0 insertions, 391 deletions

diff --git a/src/services/brightness-service.c b/src/services/brightness-service.c
deleted file mode 100644
index 32f0501..0000000
--- a/src/services/brightness-service.c
+++ /dev/null
@@ -1,391 +0,0 @@
-#include "services/brightness-service.h"
-#include <gio/gio.h>
-#include <math.h>
-
-//
-// FoobarBrightnessService:
-//
-// Service managing the brightness level. This is implemented by
-// - for read access: monitoring the "brightness" file in a "/sys/class/backlight" subdirectory,
-// - for write access: invoking the "brightnessctl" command.
-//
-
-struct _FoobarBrightnessService
-{
-	GObject       parent_instance;
-	gint          percentage;
-	GFileMonitor* file_monitor;
-	gulong        file_monitor_handler_id;
-	gchar*        device_name;
-	gchar*        file_path;
-	gint          max_brightness;
-};
-
-enum
-{
-	PROP_PERCENTAGE = 1,
-	N_PROPS,
-};
-
-static GParamSpec* props[N_PROPS] = { 0 };
-
-static void          foobar_brightness_service_class_init               ( FoobarBrightnessServiceClass* klass );
-static void          foobar_brightness_service_init                     ( FoobarBrightnessService*      self );
-static void          foobar_brightness_service_get_property             ( GObject*                      object,
-                                                                          guint                         prop_id,
-                                                                          GValue*                       value,
-                                                                          GParamSpec*                   pspec );
-static void          foobar_brightness_service_set_property             ( GObject*                      object,
-                                                                          guint                         prop_id,
-                                                                          GValue const*                 value,
-                                                                          GParamSpec*                   pspec );
-static void          foobar_brightness_service_finalize                 ( GObject*                      object );
-static void          foobar_brightness_service_handle_changed           ( GFileMonitor*                 monitor,
-                                                                          GFile*                        file,
-                                                                          GFile*                        other_file,
-                                                                          GFileMonitorEvent             event_type,
-                                                                          gpointer                      userdata );
-static gint          foobar_brightness_service_load_percentage          ( FoobarBrightnessService*      self );
-static void          foobar_brightness_service_write_percentage         ( FoobarBrightnessService*      self );
-static void          foobar_brightness_service_write_percentage_watch_cb( GPid                          pid,
-                                                                          gint                          status,
-                                                                          gpointer                      userdata );
-static void          foobar_brightness_service_get_info                 ( gchar**                       out_device_name,
-                                                                          gchar**                       out_file_path,
-                                                                          gint*                         out_max_brightness );
-static gint          foobar_brightness_service_read_value               ( gchar const*                  path );
-static GFileMonitor* foobar_brightness_service_monitor                  ( gchar const*                  path );
-
-G_DEFINE_FINAL_TYPE( FoobarBrightnessService, foobar_brightness_service, G_TYPE_OBJECT )
-
-// ---------------------------------------------------------------------------------------------------------------------
-// Service Implementation
-// ---------------------------------------------------------------------------------------------------------------------
-
-//
-// Static initialization for the brightness service.
-//
-void foobar_brightness_service_class_init( FoobarBrightnessServiceClass* klass )
-{
-	GObjectClass* object_klass = G_OBJECT_CLASS( klass );
-	object_klass->get_property = foobar_brightness_service_get_property;
-	object_klass->set_property = foobar_brightness_service_set_property;
-	object_klass->finalize = foobar_brightness_service_finalize;
-
-	props[PROP_PERCENTAGE] = g_param_spec_int(
-		"percentage",
-		"Percentage",
-		"Current brightness percentage.",
-		0,
-		100,
-		100,
-		G_PARAM_READWRITE );
-	g_object_class_install_properties( object_klass, N_PROPS, props );
-}
-
-//
-// Instance initialization for the brightness service.
-//
-void foobar_brightness_service_init( FoobarBrightnessService* self )
-{
-	foobar_brightness_service_get_info( &self->device_name, &self->file_path, &self->max_brightness );
-	self->percentage = foobar_brightness_service_load_percentage( self );
-	if ( self->file_path )
-	{
-		self->file_monitor = foobar_brightness_service_monitor( self->file_path );
-	}
-	if ( self->file_monitor )
-	{
-		self->file_monitor_handler_id = g_signal_connect(
-			self->file_monitor,
-			"changed",
-			G_CALLBACK( foobar_brightness_service_handle_changed ),
-			self );
-	}
-	else
-	{
-		self->file_monitor_handler_id = 0;
-	}
-}
-
-//
-// Property getter implementation, mapping a property id to a method.
-//
-void foobar_brightness_service_get_property(
-	GObject*    object,
-	guint       prop_id,
-	GValue*     value,
-	GParamSpec* pspec )
-{
-	FoobarBrightnessService* self = (FoobarBrightnessService*)object;
-
-	switch ( prop_id )
-	{
-		case PROP_PERCENTAGE:
-			g_value_set_int( value, foobar_brightness_service_get_percentage( self ) );
-			break;
-		default:
-			G_OBJECT_WARN_INVALID_PROPERTY_ID( object, prop_id, pspec );
-			break;
-	}
-}
-
-//
-// Property setter implementation, mapping a property id to a method.
-//
-void foobar_brightness_service_set_property(
-	GObject*      object,
-	guint         prop_id,
-	GValue const* value,
-	GParamSpec*   pspec )
-{
-	FoobarBrightnessService* self = (FoobarBrightnessService*)object;
-
-	switch ( prop_id )
-	{
-		case PROP_PERCENTAGE:
-			foobar_brightness_service_set_percentage( self, g_value_get_int( value ) );
-			break;
-		default:
-			G_OBJECT_WARN_INVALID_PROPERTY_ID( object, prop_id, pspec );
-			break;
-	}
-}
-
-//
-// Instance cleanup for the brightness service.
-//
-void foobar_brightness_service_finalize( GObject* object )
-{
-	FoobarBrightnessService* self = (FoobarBrightnessService*)object;
-
-	g_clear_signal_handler( &self->file_monitor_handler_id, self->file_monitor );
-	g_clear_object( &self->file_monitor );
-	g_clear_pointer( &self->device_name, g_free );
-	g_clear_pointer( &self->file_path, g_free );
-
-	G_OBJECT_CLASS( foobar_brightness_service_parent_class )->finalize( object );
-}
-
-// ---------------------------------------------------------------------------------------------------------------------
-// Public API
-// ---------------------------------------------------------------------------------------------------------------------
-
-//
-// Create a new brightness service instance.
-//
-FoobarBrightnessService* foobar_brightness_service_new( void )
-{
-	return g_object_new( FOOBAR_TYPE_BRIGHTNESS_SERVICE, NULL );
-}
-
-//
-// Get the current brightness percentage value.
-//
-gint foobar_brightness_service_get_percentage( FoobarBrightnessService* self )
-{
-	g_return_val_if_fail( FOOBAR_IS_BRIGHTNESS_SERVICE( self ), 0 );
-
-	return self->percentage;
-}
-
-//
-// Update the current brightness percentage value.
-//
-void foobar_brightness_service_set_percentage(
-	FoobarBrightnessService* self,
-	gint                     value )
-{
-	g_return_if_fail( FOOBAR_IS_BRIGHTNESS_SERVICE( self ) );
-
-	value = CLAMP( value, 0, 100 );
-	if ( self->percentage != value )
-	{
-		self->percentage = value;
-		g_object_notify_by_pspec( G_OBJECT( self ), props[PROP_PERCENTAGE] );
-		foobar_brightness_service_write_percentage( self );
-	}
-}
-
-// ---------------------------------------------------------------------------------------------------------------------
-// Signal Handlers
-// ---------------------------------------------------------------------------------------------------------------------
-
-//
-// Called by the file monitor when the contents of the "brightness" file have changed.
-//
-void foobar_brightness_service_handle_changed(
-	GFileMonitor*     monitor,
-	GFile*            file,
-	GFile*            other_file,
-	GFileMonitorEvent event_type,
-	gpointer          userdata )
-{
-	(void)monitor;
-	(void)file;
-	(void)other_file;
-	(void)event_type;
-	FoobarBrightnessService* self = (FoobarBrightnessService*)userdata;
-
-	gint new_percentage = foobar_brightness_service_load_percentage( self );
-	if ( self->percentage != new_percentage )
-	{
-		self->percentage = new_percentage;
-		g_object_notify_by_pspec( G_OBJECT( self ), props[PROP_PERCENTAGE] );
-	}
-}
-
-// ---------------------------------------------------------------------------------------------------------------------
-// Helper Methods
-// ---------------------------------------------------------------------------------------------------------------------
-
-//
-// Load the current percentage value from the file at self->file_path.
-//
-// This requires file_path and max_brightness to be initialized, otherwise the brightness is assumed to be 100%.
-//
-gint foobar_brightness_service_load_percentage( FoobarBrightnessService* self )
-{
-	if ( !self->file_path || self->max_brightness == -1 ) { return 100; }
-
-	gint value = foobar_brightness_service_read_value( self->file_path );
-	if ( value == -1 ) { return 100; }
-
-	gdouble rel = value / (gdouble)self->max_brightness;
-	gint percentage = (gint)round( rel * 100. );
-	return CLAMP( percentage, 0, 100 );
-}
-
-//
-// Asynchronously update the current percentage value by invoking brightnessctl.
-//
-// This requires device_name to be initialized.
-//
-void foobar_brightness_service_write_percentage( FoobarBrightnessService* self )
-{
-	if ( !self->device_name ) { return; }
-
-	g_autofree gchar* percentage_string = g_strdup_printf( "%d%%", self->percentage );
-	gchar* args[] = { "brightnessctl", "-d", self->device_name, "s", percentage_string, NULL };
-
-	g_autoptr( GError ) error = NULL;
-	GPid child_pid;
-	if ( !g_spawn_async(
-		NULL,
-		args,
-		NULL,
-		G_SPAWN_DO_NOT_REAP_CHILD
-			| G_SPAWN_SEARCH_PATH
-			| G_SPAWN_STDIN_FROM_DEV_NULL
-			| G_SPAWN_STDOUT_TO_DEV_NULL
-			| G_SPAWN_STDERR_TO_DEV_NULL,
-		NULL,
-		NULL,
-		&child_pid,
-		&error ) )
-	{
-		g_warning( "Unable to spawn brightnessctl: %s", error->message );
-		return;
-	}
-
-	g_child_watch_add( child_pid, foobar_brightness_service_write_percentage_watch_cb, NULL );
-}
-
-//
-// Called when the brightnessctl child process has finished.
-//
-void foobar_brightness_service_write_percentage_watch_cb(
-	GPid     pid,
-	gint     status,
-	gpointer userdata )
-{
-	(void)userdata;
-
-	g_autoptr( GError ) error = NULL;
-	if ( !g_spawn_check_wait_status( status, &error ) )
-	{
-		g_warning( "Unable to set brightness with brightnessctl: %s", error->message );
-	}
-
-	g_spawn_close_pid( pid );
-}
-
-//
-// Initialize information for the brightness device.
-//
-// This looks for the first directory in the /sys/class/backlight directories and uses it as the device name. It also
-// populates out_file_path to the path of this directory and out_max_brightness to the contents of the corresponding
-// max_brightness file.
-//
-void foobar_brightness_service_get_info(
-	gchar** out_device_name,
-	gchar** out_file_path,
-	gint*   out_max_brightness )
-{
-	*out_device_name = NULL;
-	*out_file_path = NULL;
-	*out_max_brightness = -1;
-
-	g_autoptr( GFile ) dir = g_file_new_for_path( "/sys/class/backlight" );
-	if ( !dir ) { return; }
-
-	g_autoptr( GFileEnumerator ) enumerator = g_file_enumerate_children(
-		dir,
-		"standard::",
-		G_FILE_QUERY_INFO_NONE,
-		NULL,
-		NULL );
-	if ( !enumerator ) { return; }
-
-	g_autoptr( GFileInfo ) info = g_file_enumerator_next_file( enumerator, NULL, NULL );
-	g_file_enumerator_close( enumerator, NULL, NULL );
-	if ( !info ) { return; }
-
-	gchar* device_name = g_strdup( g_file_info_get_name( info ) );
-	gchar* current_file_path = g_strdup_printf( "/sys/class/backlight/%s/brightness", device_name );
-	gchar* max_file_path = g_strdup_printf( "/sys/class/backlight/%s/max_brightness", device_name );
-	*out_device_name = device_name;
-	*out_file_path = current_file_path;
-	*out_max_brightness = foobar_brightness_service_read_value( max_file_path );
-	g_free( max_file_path );
-}
-
-//
-// Read the current brightness integer (not percentage) from the given file path.
-//
-gint foobar_brightness_service_read_value( gchar const* path )
-{
-	g_autofree gchar* contents = NULL;
-	g_autoptr( GError ) error = NULL;
-	if ( !g_file_get_contents( path, &contents, NULL, &error ) )
-	{
-		g_warning( "Unable to read %s: %s", path, error->message );
-		return -1;
-	}
-
-	errno = 0;
-	char* endptr;
-	long  result = strtol( contents, &endptr, 10 );
-	if ( errno != 0 || endptr == contents || result > INT_MAX || result < 0 )
-	{
-		g_warning( "Expected integer in %s, but got: %s", path, contents );
-		return -1;
-	}
-
-	return (gint)result;
-}
-
-//
-// Set up a file monitor for the given path.
-//
-GFileMonitor* foobar_brightness_service_monitor( gchar const* path )
-{
-	g_autoptr( GFile ) file = g_file_new_for_path( path );
-	if ( !file ) { return NULL; }
-
-	g_autoptr( GError ) error = NULL;
-	GFileMonitor* monitor = g_file_monitor_file( file, G_FILE_MONITOR_NONE, NULL, &error );
-	if ( !monitor ) { g_warning( "Unable to monitor brightness: %s", error->message ); }
-
-	return monitor;
-}