metric pooch!

src/bin/Makefile.am

@@ -173,6 +173,7 @@ e_obj_dialog.h \
 e_int_config_transitions.h \
 e_fwin.h \
 e_widget_aspect.h \
+e_filereg.h \
 e_widget_desk_preview.h \
 e_int_config_borders.h
  
@@ -324,6 +325,7 @@ e_obj_dialog.c \
 e_fwin.c \
 e_widget_aspect.c \
 e_widget_desk_preview.c \
+e_filereg.c \
 e_int_config_borders.c \
 $(ENLIGHTENMENTHEADERS)
 

src/bin/e_bg.c

@@ -7,8 +7,47 @@
 static void _e_bg_signal(void *data, Evas_Object *obj, const char *emission, const char *source);
 
 /* local subsystem globals */
+static int _e_bg_reg_files = 0;
 
 /* externally accessible functions */
+EAPI int 
+e_bg_init(void)
+{
+   Evas_List *l;
+
+   /* Register files in use */
+   if (e_config->desktop_default_background)
+      e_filereg_register(e_config->desktop_default_background);
+
+   for (l = e_config->desktop_backgrounds; l; l = l->next)
+     {
+       E_Config_Desktop_Background *cfbg;
+       cfbg = l->data;
+       e_filereg_register(cfbg->file);
+     }
+
+   return 1;
+}
+
+EAPI int 
+e_bg_shutdown(void)
+{
+   Evas_List *l;
+
+   /* Register files in use */
+   if (e_config->desktop_default_background)
+      e_filereg_deregister(e_config->desktop_default_background);
+
+   for (l = e_config->desktop_backgrounds; l; l = l->next)
+     {
+       E_Config_Desktop_Background *cfbg;
+       cfbg = l->data;
+       e_filereg_deregister(cfbg->file);
+     }
+
+   return 1;
+}
+
 EAPI const char *
 e_bg_file_get(int container_num, int zone_num, int desk_x, int desk_y)
 {
@@ -165,6 +204,24 @@ e_bg_zone_update(E_Zone *zone, E_Bg_Transition transition)
      }
 }
 
+EAPI void
+e_bg_default_set(char * file)
+{
+    if (e_config->desktop_default_background)
+      {
+	 e_filereg_deregister(e_config->desktop_default_background);
+	 evas_stringshare_del(e_config->desktop_default_background);
+      }
+
+    if (file)
+      {
+	 e_filereg_register(file);
+	 e_config->desktop_default_background = evas_stringshare_add(file);
+      }
+    else
+       e_config->desktop_default_background = NULL;
+}
+
 EAPI void
 e_bg_add(int container, int zone, int desk_x, int desk_y, char *file)
 {
@@ -178,6 +235,7 @@ e_bg_add(int container, int zone, int desk_x, int desk_y, char *file)
    cfbg->desk_y = desk_y;
    cfbg->file = evas_stringshare_add(file);
    e_config->desktop_backgrounds = evas_list_append(e_config->desktop_backgrounds, cfbg);
+   e_filereg_register(cfbg->file);
 }
 
 EAPI void
@@ -194,6 +252,7 @@ e_bg_del(int container, int zone, int desk_x, int desk_y)
 	    (cfbg->desk_x == desk_x) && (cfbg->desk_y == desk_y))
 	  {
 	     e_config->desktop_backgrounds = evas_list_remove_list(e_config->desktop_backgrounds, l);
+	     e_filereg_deregister(cfbg->file);
 	     if (cfbg->file) evas_stringshare_del(cfbg->file);
 	     free(cfbg);
 	     break;
@@ -208,7 +267,7 @@ e_bg_update(void)
    E_Manager *man;
    E_Container *con;
    E_Zone *zone;
-   
+
    for (l = e_manager_list(); l; l = l->next)
      {
 	man = l->data;
@@ -249,3 +308,4 @@ _e_bg_signal(void *data, Evas_Object *obj, const char *emission, const char *sou
    evas_object_clip_set(zone->bg_object, zone->bg_clip_object);
    evas_object_show(zone->bg_object);
 }
+

src/bin/e_bg.h

@@ -14,10 +14,14 @@ typedef enum {
 #ifndef E_BG_H
 #define E_BG_H
 
+EAPI int e_bg_init(void);
+EAPI int e_bg_shutdown(void);
+
 EAPI const char *e_bg_file_get(int container_num, int zone_num,  int desk_x, int desk_y);
 EAPI void e_bg_zone_update(E_Zone *zone, E_Bg_Transition transition);
 EAPI void e_bg_add(int container, int zone, int desk_x, int desk_y, char *file);
 EAPI void e_bg_del(int container, int zone, int desk_x, int desk_y);
+EAPI void e_bg_default_set(char *file);
 EAPI void e_bg_update(void);
     
 #endif

src/bin/e_filereg.c

@@ -0,0 +1,114 @@
+/*
+ * vim:ts=8:sw=3:sts=8:noexpandtab:cino=>5n-3f0^-2{2
+ */
+#include "e.h"
+
+/*
+ * Implementation of a protected file registry. Any files that are
+ * currently being used by E in core components should be registered
+ * here and will be protected as best as E can. :)
+ */
+
+/* Local subsystem globals */
+static Evas_List *_e_filereg = NULL;
+
+typedef struct _Filereg_Item Filereg_Item;
+
+struct _Filereg_Item
+{
+   char * path;
+   int ref_count;
+};
+
+/* Externally accessible functions */
+EAPI int
+e_filereg_init(void)
+{
+   return 1;
+}
+
+EAPI int
+e_filereg_shutdown(void)
+{
+   Evas_List * ll;
+   Filereg_Item * item;
+
+   /* Delete all strings in the hash */
+   for (ll = _e_filereg; ll; ll = ll->next)
+     {
+	item = ll->data;	
+	E_FREE(item->path);
+	E_FREE(item);
+     }
+
+   _e_filereg = evas_list_free(_e_filereg);
+}
+
+EAPI int
+e_filereg_register(const char * path)
+{
+   Evas_List * ll;
+   Filereg_Item * item;
+
+   for (ll = _e_filereg; ll; ll = ll->next)
+     {
+	item = ll->data;	
+	if (!strcmp(item->path, path))
+	  {
+	     /* File already registered, increment ref. count */
+	     item->ref_count++;
+	     return 1;
+	  }
+     }
+
+   /* Doesn't exist so add to list. */
+   item = E_NEW(Filereg_Item, 1);
+   if (!item) return 0;
+
+   item->path = strdup(path);
+   item->ref_count = 1;
+   _e_filereg = evas_list_append(_e_filereg, item);
+
+   return 1;
+}
+
+EAPI void
+e_filereg_deregister(const char * path)
+{
+   Evas_List * ll;
+   Filereg_Item * item;
+
+   for (ll = _e_filereg; ll; ll = ll->next)
+     {
+	item = ll->data;	
+	if (!strcmp(item->path, path))
+	  {
+	     item->ref_count--;
+	     if (item->ref_count == 0) 
+	       {
+		_e_filereg = evas_list_remove_list(_e_filereg, ll);	
+		E_FREE(item->path);
+		E_FREE(item);
+	       }
+
+	     return;
+	  }
+     }
+}
+
+EAPI Evas_Bool
+e_filereg_file_protected(const char * path)
+{
+   Evas_List * ll;
+   Filereg_Item * item;
+
+   for (ll = _e_filereg; ll; ll = ll->next)
+     {
+	item = ll->data;	
+	if (!strcmp(item->path, path))
+	     return 1;
+     }
+
+   return 0;
+}
+

src/bin/e_filereg.h

@@ -0,0 +1,20 @@
+/*
+ * vim:ts=8:sw=3:sts=8:noexpandtab:cino=>5n-3f0^-2{2
+ */
+#ifdef E_TYPEDEFS
+
+#else
+#ifndef E_FILEREG_H
+#define E_FILEREG_H
+
+EAPI int e_filereg_init(void);
+EAPI int e_filereg_shutdown(void);
+
+EAPI int e_filereg_register(const char * path);
+EAPI void e_filereg_deregister(const char * path);
+EAPI Evas_Bool e_filereg_file_protected(const char * path);
+
+#endif
+#endif
+
+

src/bin/e_fm.c

@@ -4223,7 +4223,8 @@ _e_fm2_icon_menu(E_Fm2_Icon *ic, Evas_Object *obj, unsigned int timestamp)
    E_Manager *man;
    E_Container *con;
    E_Zone *zone;
-   int x, y, can_w, can_w2;
+   Evas_List *sel;
+   int x, y, can_w, can_w2, protected;
    char buf[4096];
    
    sd = ic->sd;
@@ -4308,7 +4309,17 @@ _e_fm2_icon_menu(E_Fm2_Icon *ic, Evas_Object *obj, unsigned int timestamp)
 	  snprintf(buf, sizeof(buf), "%s/.order", sd->realpath);
 	if (ecore_file_can_write(buf)) can_w = 1;
      }
-   if ((can_w) && (can_w2))
+   
+   sel = e_fm2_selected_list_get(ic->sd->obj);
+   if ((!sel) || evas_list_count(sel) == 1)
+     {
+	 snprintf(buf, sizeof(buf), "%s/%s", sd->realpath, ic->info.file);
+	 protected = e_filereg_file_protected(buf);
+     }
+   else
+     protected = 0;
+
+   if ((can_w) && (can_w2) && !(protected))
      {
 	mi = e_menu_item_new(mn);
 	e_menu_item_separator_set(mi, 1);
@@ -4556,6 +4567,8 @@ _e_fm2_file_rename_yes_cb(char *text, void *data)
 	     snprintf(oldpath, sizeof(oldpath), "%s/%s", ic->sd->realpath, ic->info.file);
 	     snprintf(newpath, sizeof(newpath), "%s/%s", ic->sd->realpath, text);
 	  }
+	if (e_filereg_file_protected(oldpath)) return;
+
 	if (!ecore_file_mv(oldpath, newpath))
 	  {
 	     man = e_manager_current_get();
@@ -4665,7 +4678,7 @@ _e_fm2_file_delete_yes_cb(void *data, E_Dialog *dialog)
    
    e_object_del(E_OBJECT(dialog));
    sel = e_fm2_selected_list_get(ic->sd->obj);
-   if (sel)
+   if (sel && (evas_list_count(sel) != 1))
      {
 	for (l = sel; l; l = l->next)
 	  {
@@ -4674,6 +4687,7 @@ _e_fm2_file_delete_yes_cb(void *data, E_Dialog *dialog)
 	     if (!ici->pseudo_link)
 	       {
 		  snprintf(buf, sizeof(buf), "%s/%s", ic->sd->realpath, ici->file);
+		  if (e_filereg_file_protected(buf)) continue;
 		  
 		  /* FIXME: recursive rm might block - need to get smart */
 		  if (!(ecore_file_recursive_rm(buf)))
@@ -4713,6 +4727,7 @@ _e_fm2_file_delete_yes_cb(void *data, E_Dialog *dialog)
 	if (!ic->info.pseudo_link)
 	  {
 	     snprintf(buf, sizeof(buf), "%s/%s", ic->sd->realpath, ic->info.file);
+	     if (e_filereg_file_protected(buf)) return;
 
 	     /* FIXME: recursive rm might block - need to get smart */
 	     if (!(ecore_file_recursive_rm(buf)))

src/bin/e_includes.h

@@ -148,6 +148,7 @@
 #include "e_int_config_transitions.h"
 #include "e_obj_dialog.h"
 #include "e_fwin.h"
+#include "e_filereg.h"
 #include "e_widget_aspect.h"
 #include "e_widget_desk_preview.h"
 #include "e_int_config_borders.h"

src/bin/e_int_config_wallpaper.c

@@ -515,12 +515,10 @@ _basic_apply_data(E_Config_Dialog *cfd, E_Config_Dialog_Data *cfdata)
 	cfbg = e_config->desktop_backgrounds->data;
 	e_bg_del(cfbg->container, cfbg->zone, cfbg->desk_x, cfbg->desk_y);
      }
-   if (e_config->desktop_default_background)
-     evas_stringshare_del(e_config->desktop_default_background);
    if ((cfdata->use_theme_bg) || (!cfdata->bg))
-     e_config->desktop_default_background = NULL;
+     e_bg_default_set(NULL);
    else
-     e_config->desktop_default_background = evas_stringshare_add(cfdata->bg);
+     e_bg_default_set(cfdata->bg);
    
    cfdata->all_this_desk_screen = 0;
    
@@ -681,9 +679,7 @@ _advanced_apply_data(E_Config_Dialog *cfd, E_Config_Dialog_Data *cfdata)
 	     cfbg = e_config->desktop_backgrounds->data;
 	     e_bg_del(cfbg->container, cfbg->zone, cfbg->desk_x, cfbg->desk_y);
 	  }
-	if (e_config->desktop_default_background)
-	  evas_stringshare_del(e_config->desktop_default_background);
-	e_config->desktop_default_background = NULL;
+	  e_bg_default_set(NULL);
      }
    else
      {
@@ -695,9 +691,7 @@ _advanced_apply_data(E_Config_Dialog *cfd, E_Config_Dialog_Data *cfdata)
 		  cfbg = e_config->desktop_backgrounds->data;
 		  e_bg_del(cfbg->container, cfbg->zone, cfbg->desk_x, cfbg->desk_y);
 	       }
-	     if (e_config->desktop_default_background)
-	       evas_stringshare_del(e_config->desktop_default_background);
-	     e_config->desktop_default_background = evas_stringshare_add(cfdata->bg);
+	     e_bg_default_set(cfdata->bg);
 	  }
 	else if (cfdata->all_this_desk_screen == 1)
 	  {

src/bin/e_main.c

@@ -489,6 +489,13 @@ main(int argc, char **argv)
 	_e_main_shutdown(-1);
      }
    _e_main_shutdown_push(_e_main_dirs_shutdown);
+   /* setup file registry */
+   if (!e_filereg_init())
+     {
+	e_error_message_show(_("Enlightenment cannot set up its file registry system."));
+	_e_main_shutdown(-1);
+     }
+   _e_main_shutdown_push(e_filereg_shutdown);
    /* init config system */
    if (!e_config_init())
      {
@@ -553,6 +560,13 @@ main(int argc, char **argv)
 	_e_main_shutdown(-1);
      }
    _e_main_shutdown_push(e_theme_shutdown);
+   /* init desktop background system */
+   if (!e_bg_init())
+     {
+	e_error_message_show(_("Enlightenment cannot set up its desktop background system."));
+	_e_main_shutdown(-1);
+     }
+   _e_main_shutdown_push(e_bg_init);
    if (!((!e_config->show_splash) || (after_restart)))
      {
 	/* setup init status window/screen */

src/bin/e_theme.c

@@ -271,6 +271,7 @@ EAPI void
 e_theme_file_set(const char *category, const char *file)
 {
    E_Theme_Result *res;
+   char buf[4096];
 
    if (group_cache)
      {
@@ -282,12 +283,16 @@ e_theme_file_set(const char *category, const char *file)
    if (res)
      {
 	mappings = evas_hash_del(mappings, category, res);
-	if (res->file) evas_stringshare_del(res->file);
+	if (res->file) {
+	     e_filereg_deregister(res->file);
+	     evas_stringshare_del(res->file);
+	}
 	if (res->cache) evas_stringshare_del(res->cache);
 	free(res);
      }
    res = calloc(1, sizeof(E_Theme_Result));
    res->file = evas_stringshare_add(file);
+   e_filereg_register(res->file);
    mappings = evas_hash_add(mappings, category, res);
 }