void ptk_file_list_show_thumbnails( PtkFileList* list, gboolean is_big,
int max_file_size )
{
GList* l;
VFSFileInfo* file;
int old_max_thumbnail;
old_max_thumbnail = list->max_thumbnail;
list->max_thumbnail = max_file_size;
list->big_thumbnail = is_big;
/* FIXME: This is buggy!!! Further testing might be needed.
*/
if( 0 == max_file_size )
{
if( old_max_thumbnail > 0 ) /* cancel thumbnails */
{
vfs_thumbnail_loader_cancel_all_requests( list->dir, list->big_thumbnail );
g_signal_handlers_disconnect_by_func( list->dir, on_thumbnail_loaded, list );
for( l = list->files; l; l = l->next )
{
file = (VFSFileInfo*)l->data;
if( vfs_file_info_is_image( file )
&& vfs_file_info_is_thumbnail_loaded( file, is_big ) )
{
/* update the model */
ptk_file_list_file_changed( list->dir, file, list );
}
}
}
return;
}
g_signal_connect( list->dir, "thumbnail-loaded",
G_CALLBACK(on_thumbnail_loaded), list );
for( l = list->files; l; l = l->next )
{
file = (VFSFileInfo*)l->data;
if( vfs_file_info_is_image( file )
&& vfs_file_info_get_size( file ) < list->max_thumbnail )
{
if( vfs_file_info_is_thumbnail_loaded( file, is_big ) )
ptk_file_list_file_changed( list->dir, file, list );
else
{
vfs_thumbnail_loader_request( list->dir, file, is_big );
/* g_debug( "REQUEST: %s", file->name ); */
}
}
}
}
static void _ptk_file_list_file_created( VFSDir* dir, VFSFileInfo* file,
PtkFileList* list )
{
ptk_file_list_file_created( dir, file, list );
/* check if reloading of thumbnail is needed. */
if( vfs_file_info_is_image( file )
&& vfs_file_info_get_size( file ) < list->max_thumbnail )
{
if( ! vfs_file_info_is_thumbnail_loaded( file, list->big_thumbnail ) )
vfs_thumbnail_loader_request( list->dir, file, list->big_thumbnail );
}
}
static void _ptk_file_list_file_created( VFSDir* dir, VFSFileInfo* file,
PtkFileList* list )
{
ptk_file_list_file_created( dir, file, list );
/* check if reloading of thumbnail is needed. */
if ( list->max_thumbnail != 0 && (
#ifdef HAVE_FFMPEG
vfs_file_info_is_video( file ) ||
#endif
( file->size /*vfs_file_info_get_size( file )*/ < list->max_thumbnail
&& vfs_file_info_is_image( file ) ) ) )
{
if( ! vfs_file_info_is_thumbnail_loaded( file, list->big_thumbnail ) )
vfs_thumbnail_loader_request( list->dir, file, list->big_thumbnail );
}
}
static void _ptk_file_list_file_changed( VFSDir* dir, VFSFileInfo* file,
PtkFileList* list )
{
if ( !file || !dir || dir->cancel )
return;
ptk_file_list_file_changed( dir, file, list );
/* check if reloading of thumbnail is needed.
* See also desktop-window.c:on_file_changed() */
if ( list->max_thumbnail != 0 && (
#ifdef HAVE_FFMPEG
( vfs_file_info_is_video( file ) &&
time( NULL ) - *vfs_file_info_get_mtime( file ) > 5 ) ||
#endif
( file->size /*vfs_file_info_get_size( file )*/ < list->max_thumbnail
&& vfs_file_info_is_image( file ) ) ) )
{
if( ! vfs_file_info_is_thumbnail_loaded( file, list->big_thumbnail ) )
vfs_thumbnail_loader_request( list->dir, file,
list->big_thumbnail );
}
}
gpointer thumbnail_loader_thread( VFSAsyncTask* task, VFSThumbnailLoader* loader )
{
ThumbnailRequest* req;
int i;
gboolean load_big, need_update;
while( G_LIKELY( ! vfs_async_task_is_cancelled(task) ))
{
vfs_async_task_lock( task );
req = (ThumbnailRequest*)g_queue_pop_head( loader->queue );
vfs_async_task_unlock( task );
if( G_UNLIKELY( ! req ) )
break;
/* g_debug("pop: %s", req->file->name); */
/* Only we have the reference. That means, no body is using the file */
if( req->file->n_ref == 1 )
{
thumbnail_request_free( req );
continue;
}
need_update = FALSE;
for ( i = 0; i < 2; ++i )
{
if ( 0 == req->n_requests[ i ] )
continue;
load_big = ( i == LOAD_BIG_THUMBNAIL );
if ( ! vfs_file_info_is_thumbnail_loaded( req->file, load_big ) )
{
char* full_path;
full_path = g_build_filename( loader->dir->path,
vfs_file_info_get_name( req->file ),
NULL );
vfs_file_info_load_thumbnail( req->file, full_path, load_big );
g_free( full_path );
/* Slow down for displaying. */
g_usleep(G_USEC_PER_SEC/1000);
/* g_debug( "thumbnail loaded: %s", req->file ); */
}
need_update = TRUE;
}
if( ! vfs_async_task_is_cancelled(task) && need_update )
{
vfs_async_task_lock( task );
g_queue_push_tail( loader->update_queue, vfs_file_info_ref(req->file) );
if( 0 == loader->idle_handler)
loader->idle_handler = g_idle_add_full( G_PRIORITY_LOW, (GSourceFunc) on_thumbnail_idle, loader, NULL );
vfs_async_task_unlock( task );
}
/* g_debug( "NEED_UPDATE: %d", need_update ); */
thumbnail_request_free( req );
}
if( vfs_async_task_is_cancelled(task) )
{
/* g_debug( "THREAD CANCELLED!!!" ); */
vfs_async_task_lock( task );
if( loader->idle_handler)
{
g_source_remove( loader->idle_handler );
loader->idle_handler = 0;
}
vfs_async_task_unlock( task );
}
else
{
if( 0 == loader->idle_handler)
{
/* g_debug( "ADD IDLE HANDLER BEFORE THREAD ENDING" ); */
loader->idle_handler = g_idle_add_full( G_PRIORITY_LOW, (GSourceFunc) on_thumbnail_idle, loader, NULL );
}
}
/* g_debug("THREAD ENDED!"); */
return NULL;
}
void ptk_file_list_show_thumbnails( PtkFileList* list, gboolean is_big,
int max_file_size )
{
GList* l;
VFSFileInfo* file;
int old_max_thumbnail;
if ( !list )
return;
old_max_thumbnail = list->max_thumbnail;
list->max_thumbnail = max_file_size;
list->big_thumbnail = is_big;
/* FIXME: This is buggy!!! Further testing might be needed.
*/
if( 0 == max_file_size )
{
if( old_max_thumbnail > 0 ) /* cancel thumbnails */
{
vfs_thumbnail_loader_cancel_all_requests( list->dir, list->big_thumbnail );
g_signal_handlers_disconnect_by_func( list->dir, on_thumbnail_loaded, list );
for( l = list->files; l; l = l->next )
{
file = (VFSFileInfo*)l->data;
if ( ( vfs_file_info_is_image( file )
#ifdef HAVE_FFMPEG
|| vfs_file_info_is_video( file )
#endif
) && vfs_file_info_is_thumbnail_loaded( file, is_big ) )
{
/* update the model */
ptk_file_list_file_changed( list->dir, file, list );
}
}
/* Thumbnails are being disabled so ensure the large thumbnails are
* freed - with up to 256x256 images this is a lot of memory */
vfs_dir_unload_thumbnails(list->dir, is_big);
}
return;
}
g_signal_connect( list->dir, "thumbnail-loaded",
G_CALLBACK(on_thumbnail_loaded), list );
for( l = list->files; l; l = l->next )
{
file = (VFSFileInfo*)l->data;
if ( list->max_thumbnail != 0 && (
#ifdef HAVE_FFMPEG
vfs_file_info_is_video( file ) ||
#endif
( file->size /*vfs_file_info_get_size( file )*/ < list->max_thumbnail
&& vfs_file_info_is_image( file ) ) ) )
{
if( vfs_file_info_is_thumbnail_loaded( file, is_big ) )
ptk_file_list_file_changed( list->dir, file, list );
else
{
vfs_thumbnail_loader_request( list->dir, file, is_big );
/* g_debug( "REQUEST: %s", file->name ); */
}
}
}
}
