gboolean on_thumbnail_idle( VFSThumbnailLoader* loader )
{
VFSFileInfo* file;
/* g_debug( "ENTER ON_THUMBNAIL_IDLE" ); */
vfs_async_task_lock( loader->task );
while( ( file = (VFSFileInfo*)g_queue_pop_head(loader->update_queue) ) )
{
GDK_THREADS_ENTER();
vfs_dir_emit_thumbnail_loaded( loader->dir, file );
vfs_file_info_unref( file );
GDK_THREADS_LEAVE();
}
loader->idle_handler = 0;
vfs_async_task_unlock( loader->task );
if( vfs_async_task_is_finished( loader->task ) )
{
/* g_debug( "FREE LOADER IN IDLE HANDLER" ); */
loader->dir->thumbnail_loader = NULL;
vfs_thumbnail_loader_free(loader);
}
/* g_debug( "LEAVE ON_THUMBNAIL_IDLE" ); */
return FALSE;
}
void vfs_thumbnail_loader_cancel_all_requests( VFSDir* dir, gboolean is_big )
{
GList* l;
VFSThumbnailLoader* loader;
ThumbnailRequest* req;
if( G_UNLIKELY( (loader=dir->thumbnail_loader) ) )
{
vfs_async_task_lock( loader->task );
/* g_debug( "TRY TO CANCEL REQUESTS!!" ); */
for( l = loader->queue->head; l; )
{
req = (ThumbnailRequest*)l->data;
--req->n_requests[ is_big ? LOAD_BIG_THUMBNAIL : LOAD_SMALL_THUMBNAIL ];
if( req->n_requests[0] <= 0 && req->n_requests[1] <= 0 ) /* nobody needs this */
{
GList* next = l->next;
g_queue_delete_link( loader->queue, l );
l = next;
}
else
l = l->next;
}
if( g_queue_get_length( loader->queue ) == 0 )
{
/* g_debug( "FREE LOADER IN vfs_thumbnail_loader_cancel_all_requests!" ); */
vfs_async_task_unlock( loader->task );
loader->dir->thumbnail_loader = NULL;
/* FIXME: added idle_handler = 0 to prevent idle_handler being
* removed in vfs_thumbnail_loader_free - BUT causes a segfault
* in vfs_async_task_lock ??
* If source is removed here or in vfs_thumbnail_loader_free
* it causes a "GLib-CRITICAL **: Source ID N was not found when
* attempting to remove it" warning. Such a source ID is always
* the one added in thumbnail_loader_thread at the "add2" comment. */
//loader->idle_handler = 0;
vfs_thumbnail_loader_free( loader );
return;
}
vfs_async_task_unlock( loader->task );
}
}
void vfs_thumbnail_loader_cancel_all_requests( VFSDir* dir, gboolean is_big )
{
GList* l;
VFSThumbnailLoader* loader;
ThumbnailRequest* req;
if( G_UNLIKELY( (loader=dir->thumbnail_loader) ) )
{
vfs_async_task_lock( loader->task );
/* g_debug( "TRY TO CANCEL REQUESTS!!" ); */
for( l = loader->queue->head; l; )
{
req = (ThumbnailRequest*)l->data;
--req->n_requests[ is_big ? LOAD_BIG_THUMBNAIL : LOAD_SMALL_THUMBNAIL ];
if( req->n_requests[0] <= 0 && req->n_requests[1] <= 0 ) /* nobody needs this */
{
GList* next = l->next;
g_queue_delete_link( loader->queue, l );
l = next;
}
else
l = l->next;
}
if( g_queue_get_length( loader->queue ) == 0 )
{
/* g_debug( "FREE LOADER IN vfs_thumbnail_loader_cancel_all_requests!" ); */
vfs_async_task_unlock( loader->task );
loader->dir->thumbnail_loader = NULL;
vfs_thumbnail_loader_free( loader );
return;
}
vfs_async_task_unlock( loader->task );
}
}
void vfs_dir_finalize( GObject *obj )
{
VFSDir * dir = VFS_DIR( obj );
do{}
while( g_source_remove_by_user_data( dir ) );
if( G_UNLIKELY( dir->task ) )
{
g_signal_handlers_disconnect_by_func( dir->task, on_list_task_finished, dir );
/* FIXME: should we generate a "file-list" signal to indicate the dir loading was cancelled? */
//printf("spacefm: vfs_dir_finalize -> vfs_async_task_cancel\n");
vfs_async_task_cancel( dir->task );
g_object_unref( dir->task );
dir->task = NULL;
}
if ( dir->monitor )
{
vfs_file_monitor_remove( dir->monitor,
vfs_dir_monitor_callback,
dir );
}
if ( dir->path )
{
if( G_LIKELY( dir_hash ) )
{
g_hash_table_remove( dir_hash, dir->path );
/* There is no VFSDir instance */
if ( 0 == g_hash_table_size( dir_hash ) )
{
g_hash_table_destroy( dir_hash );
dir_hash = NULL;
vfs_mime_type_remove_reload_cb( mime_cb );
mime_cb = NULL;
if( change_notify_timeout )
{
g_source_remove( change_notify_timeout );
change_notify_timeout = 0;
}
g_signal_handler_disconnect( gtk_icon_theme_get_default(),
theme_change_notify );
theme_change_notify = 0;
}
}
g_free( dir->path );
g_free( dir->disp_path );
dir->path = dir->disp_path = NULL;
}
/* g_debug( "dir->thumbnail_loader: %p", dir->thumbnail_loader ); */
if( G_UNLIKELY( dir->thumbnail_loader ) )
{
/* g_debug( "FREE THUMBNAIL LOADER IN VFSDIR" ); */
vfs_thumbnail_loader_free( dir->thumbnail_loader );
dir->thumbnail_loader = NULL;
}
if ( dir->file_list )
{
g_list_foreach( dir->file_list, ( GFunc ) vfs_file_info_unref, NULL );
g_list_free( dir->file_list );
dir->file_list = NULL;
dir->n_files = 0;
}
if( dir->changed_files )
{
g_slist_foreach( dir->changed_files, (GFunc)vfs_file_info_unref, NULL );
g_slist_free( dir->changed_files );
dir->changed_files = NULL;
}
if( dir->created_files )
{
g_slist_foreach( dir->created_files, (GFunc)g_free, NULL );
g_slist_free( dir->created_files );
dir->created_files = NULL;
}
g_mutex_free( dir->mutex );
G_OBJECT_CLASS( parent_class ) ->finalize( obj );
}
