#include "pnd_desktop.h"
#include "pnd_pndfiles.h"
#include "pnd_apps.h"
+#include "../lib/pnd_pathiter.h"
+#include "pnd_locate.h"
#include "mmenu.h"
#include "mmapps.h"
#include "mmcache.h"
+#include "mmcat.h"
+#include "mmui.h"
extern pnd_conf_handle g_conf;
+extern unsigned char g_pvwcache;
mm_cache_t *g_icon_cache = NULL;
mm_cache_t *g_preview_cache = NULL;
// not cached, load it up
//
+ // show hourglass
+ ui_show_hourglass ( 1 /* updaterect*/ );
+
// see if we can mount the pnd/dir
// does preview file exist?
// if so, load it up, size it, cache it
// if not, warning and bail
// unmount it
- // can we mount?
- char fullpath [ PATH_MAX ];
- char filepath [ PATH_MAX ];
+ // can we mount? or can we find it in preview cache?
+ char fullpath [ PATH_MAX ] = "";
+ char filepath [ PATH_MAX ] = "";
- sprintf ( fullpath, "%s/%s", app -> object_path, app -> object_filename );
+ if ( g_pvwcache ) {
+ static char *cache_findpath = NULL;
+ if ( ! cache_findpath ) {
+ cache_findpath = pnd_conf_get_as_char ( g_conf, "previewpic.cache_findpath" );
+ }
+ char buffer [ FILENAME_MAX ];
+ sprintf ( buffer, "%s.png", app -> unique_id );
+ char *f = pnd_locate_filename ( cache_findpath, buffer );
+ if ( f ) {
+ strncpy ( filepath, f, PATH_MAX );
+ }
+ }
+
+ // if we don't have a file path sorted out yet, means we need to mount and figure it
+ if ( ! filepath [ 0 ] ) {
+ sprintf ( fullpath, "%s/%s", app -> object_path, app -> object_filename );
+
+ if ( ! pnd_pnd_mount ( pnd_run_script, fullpath, app -> unique_id ) ) {
+ pnd_log ( pndn_debug, "Couldn't mount '%s' for preview\n", fullpath );
+ return ( 0 ); // couldn't mount?!
+ }
- if ( ! pnd_pnd_mount ( pnd_run_script, fullpath, app -> unique_id ) ) {
- pnd_log ( pndn_debug, "Couldn't mount '%s' for preview\n", fullpath );
- return ( 0 ); // couldn't mount?!
+ sprintf ( filepath, "%s/%s/%s", PND_MOUNT_PATH, app -> unique_id, app -> preview_pic1 );
}
- sprintf ( filepath, "%s/%s/%s", PND_MOUNT_PATH, app -> unique_id, app -> preview_pic1 );
+ // load whatever path we've got
s = IMG_Load ( filepath );
- pnd_pnd_unmount ( pnd_run_script, fullpath, app -> unique_id );
-
if ( ! s ) {
+ // unmount it, if mounted
+ if ( fullpath [ 0 ] ) {
+ pnd_pnd_unmount ( pnd_run_script, fullpath, app -> unique_id );
+ }
pnd_log ( pndn_debug, "Couldn't open image '%s' for preview\n", filepath );
return ( 0 );
}
+ // try to copy file to the cache, if we're doing that, and if mounted
+ if ( g_pvwcache && fullpath [ 0 ] ) {
+ char cacheoutpath [ PATH_MAX ] = "";
+
+ // figure out where we want to write the file to
+ if ( cache_find_writable ( cacheoutpath, PATH_MAX ) ) {
+ static char *cache_path = NULL;
+ char buffer [ PATH_MAX ];
+ if ( ! cache_path ) {
+ cache_path = pnd_conf_get_as_char ( g_conf, "previewpic.cache_path" );
+ }
+ // make the dir
+ snprintf ( buffer, PATH_MAX, "%s/%s", cacheoutpath, cache_path );
+ struct stat statbuf;
+ if ( stat ( buffer, &statbuf ) != 0 ) {
+ snprintf ( buffer, PATH_MAX, "/bin/mkdir -p %s/%s", cacheoutpath, cache_path );
+ system ( buffer );
+ }
+ // set up target filename to copy
+ snprintf ( buffer, PATH_MAX, "%s/%s/%s.png", cacheoutpath, cache_path, app -> unique_id );
+ pnd_log ( pndn_debug, "Found free space to cache preview to here: %s", buffer );
+ if ( ! pnd_filecopy ( filepath, buffer ) ) {
+ pnd_log ( pndn_error, "ERROR: Copying preview from %s to %s", filepath, buffer );
+ }
+ } else {
+ pnd_log ( pndn_warning, "WARN: Couldn't find a device to cache preview to.\n" );
+ }
+
+ } // preview file cache
+
+ // unmount it, if mounted
+ if ( fullpath [ 0 ] ) {
+ pnd_pnd_unmount ( pnd_run_script, fullpath, app -> unique_id );
+ }
+
//pnd_log ( pndn_debug, "Image size is %u x %u (max %u x %u)\n", s -> w, s -> h, maxwidth, maxheight );
// scale
mm_cache_t *cache_query_preview ( char *id ) {
return ( cache_query ( id, g_preview_cache ) );
}
+
+unsigned char cache_find_writable ( char *r_writepath, unsigned int len ) {
+ static char *searchpath = NULL;
+ static unsigned int minfree = 0;
+ char cmdbuf [ PATH_MAX ];
+ FILE *f;
+ unsigned int freespace = 0;
+
+ // try to find a device, in order of searchpath, with enough space for this cache-out
+
+ if ( ! searchpath ) {
+ searchpath = pnd_conf_get_as_char ( g_conf, "previewpic.cache_searchpath" );
+ minfree = pnd_conf_get_as_int_d ( g_conf, "previewpic.cache_minfree", 500 );
+ }
+
+ if ( ! searchpath ) {
+ return ( 0 ); // fail!
+ }
+
+ SEARCHPATH_PRE
+ {
+
+ // since I didn't figure out which /sys/block I can pull remaining space from, I'll use df for now :/
+ sprintf ( cmdbuf, "/bin/df %s", buffer );
+
+ f = popen ( cmdbuf, "r" );
+
+ if ( f ) {
+ while ( fgets ( cmdbuf, PATH_MAX, f ) ) {
+ // just eat it up
+ // /dev/sdc2 7471392 725260 6366600 11% /media/IMAGE
+ if ( sscanf ( cmdbuf, "%*s %*u %*u %u %*u %*s\n", &freespace ) == 1 ) {
+ strncpy ( r_writepath, buffer, len );
+ if ( freespace > minfree ) {
+ pclose ( f );
+ return ( 1 );
+ } // enough free?
+ } // df
+ } // while
+ pclose ( f );
+ }
+
+ }
+ SEARCHPATH_POST
+
+ return ( 0 );
+}