Lead user through database initialisation

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@12678 a1c6a512-1295-4272-9138-f99709370657

apps/lang/english.lang

@@ -10701,3 +10701,25 @@
     *: "Alarm Wake up Screen"
   </voice>
 </phrase>
+<phrase>
+  id: LANG_BUILDING_DATABASE
+  desc: splash database building progress
+  user:
+  <source>
+    *: "Building database... %d found (OFF for menu)"
+    h100,h120,h300: "Building database... %d found (STOP for menu)"
+    ipod*: "Building database... %d found (PLAY/PAUSE for menu)"
+    x5: "Building database... %d found (Long PLAY for menu)"
+    h10: "Building database... %d found (PREV for menu)"
+  </source>
+  <dest>
+    *: "Building database... %d found (OFF for menu)"
+    h100,h120,h300: "Building database... %d found (STOP for menu)"
+    ipod*: "Building database... %d found (PLAY/PAUSE for menu)"
+    x5: "Building database... %d found (Long PLAY for menu)"
+    h10: "Building database... %d found (PREV for menu)"
+  </dest>
+  <voice>
+    *: ""
+  </voice>
+</phrase>

apps/main.c

@@ -207,10 +207,12 @@ static void init_tagcache(void)
         {
 #ifdef HAVE_LCD_BITMAP
             gui_syncsplash(0, true, "%s [%d/%d]",
-                                    str(LANG_TAGCACHE_INIT), ret, 7);
+                str(LANG_TAGCACHE_INIT), ret, 
+                tagcache_get_max_commit_step());
 #else
             lcd_double_height(false);
-            snprintf(buf, sizeof(buf), " TC [%d/%d]", ret, 7);
+            snprintf(buf, sizeof(buf), " TC [%d/%d]", ret, 
+                tagcache_get_max_commit_step());
             lcd_puts(0, 1, buf);
 #endif
             clear = true;

apps/menus/settings_menu.c

@@ -45,14 +45,27 @@
 /***********************************/
 /*    TAGCACHE MENU                */
 #ifdef HAVE_TAGCACHE
+
+static void tagcache_rebuild_with_splash(void)
+{
+    tagcache_rebuild();
+    gui_syncsplash(HZ*2, true, str(LANG_TAGCACHE_FORCE_UPDATE_SPLASH));   
+}
+
+static void tagcache_update_with_splash(void)
+{
+    tagcache_update();
+    gui_syncsplash(HZ*2, true, str(LANG_TAGCACHE_FORCE_UPDATE_SPLASH));
+}
+
 #ifdef HAVE_TC_RAMCACHE
 MENUITEM_SETTING(tagcache_ram, &global_settings.tagcache_ram, NULL);
 #endif
 MENUITEM_SETTING(tagcache_autoupdate, &global_settings.tagcache_autoupdate, NULL);
 MENUITEM_FUNCTION(tc_init, ID2P(LANG_TAGCACHE_FORCE_UPDATE),
-                    (int(*)(void))tagcache_rebuild, NULL, Icon_NOICON);
+                    (int(*)(void))tagcache_rebuild_with_splash, NULL, Icon_NOICON);
 MENUITEM_FUNCTION(tc_update, ID2P(LANG_TAGCACHE_UPDATE),
-                    (int(*)(void))tagcache_update, NULL, Icon_NOICON);
+                    (int(*)(void))tagcache_update_with_splash, NULL, Icon_NOICON);
 MENUITEM_SETTING(runtimedb, &global_settings.runtimedb, NULL);
 MENUITEM_FUNCTION(tc_export, ID2P(LANG_TAGCACHE_EXPORT),
                     (int(*)(void))tagtree_export, NULL, Icon_NOICON);

apps/root_menu.c

@@ -61,6 +61,9 @@
 #ifdef HAVE_RTC_ALARM
 #include "rtc.h"
 #endif
+#ifdef HAVE_TAGCACHE
+#include "tagcache.h"
+#endif
 
 struct root_items {
     int (*function)(void* param);
@@ -99,11 +102,58 @@ static int browser(void* param)
         break;
 #ifdef HAVE_TAGCACHE
         case GO_TO_DBBROWSER:
-            if ((last_screen != GO_TO_ROOT) && !tagcache_is_usable())
+            if (!tagcache_is_usable())
             {
-                gui_syncsplash(HZ, true, str(LANG_TAGCACHE_BUSY));
+                /* Re-init if required */
+                struct tagcache_stat *stat = tagcache_get_stat();
+                if (!stat->ready && !stat->commit_delayed && stat->processed_entries == 0)
+                {
+                    /* Prompt the user */
+                    char *lines[]={str(LANG_TAGCACHE_BUSY), str(LANG_TAGCACHE_FORCE_UPDATE)};
+                    struct text_message message={lines, 2};
+                    if(gui_syncyesno_run(&message, NULL, NULL) == YESNO_NO)
                         return GO_TO_PREVIOUS;
+                    int i;
+                    FOR_NB_SCREENS(i)
+                        screens[i].clear_display();
+
+                    /* Start initialisation */
+                    tagcache_rebuild();
                 }
+
+                /* Now display progress until it's ready or the user exits */
+                while(!tagcache_is_usable())
+                {
+                    gui_syncstatusbar_draw(&statusbars, false);
+                    stat = tagcache_get_stat();
+
+                    /* Maybe just needs to reboot due to delayed commit */
+                    if (stat->commit_delayed)
+                    {
+                        gui_syncsplash(HZ*2, true, str(LANG_PLEASE_REBOOT));
+                        break;
+                    }
+
+                    /* Display building progress */
+                    if (stat->commit_step > 0)
+                    {
+                        gui_syncsplash(0, true, "%s [%d/%d]",
+                            str(LANG_TAGCACHE_INIT), stat->commit_step, 
+                            tagcache_get_max_commit_step());
+                    }
+                    else
+                    {
+                        gui_syncsplash(0, true, str(LANG_BUILDING_DATABASE),
+                            stat->processed_entries);
+                    }
+
+                    /* Allow user to exit */
+                    if (action_userabort(HZ/2))
+                        break;
+                }
+            }
+            if (!tagcache_is_usable())
+                return GO_TO_PREVIOUS;
             filter = SHOW_ID3DB;
             tc->dirlevel = last_db_dirlevel;
         break;

apps/tagcache.c

@@ -3904,16 +3904,12 @@ bool tagcache_update(void)
         return false;
     
     queue_post(&tagcache_queue, Q_UPDATE, 0);
-    gui_syncsplash(HZ*2, true, str(LANG_TAGCACHE_FORCE_UPDATE_SPLASH));
-    
     return false;
 }
 
-bool tagcache_rebuild(void)
+bool tagcache_rebuild()
 {
     queue_post(&tagcache_queue, Q_REBUILD, 0);
-    gui_syncsplash(HZ*2, true, str(LANG_TAGCACHE_FORCE_UPDATE_SPLASH));
-    
     return false;
 }
 
@@ -3974,4 +3970,8 @@ int tagcache_get_commit_step(void)
 {
     return tc_stat.commit_step;
 }
+int tagcache_get_max_commit_step(void)
+{
+    return 8;   /* To be written, better hard-coded here than in the UI */
+}
 

apps/tagcache.h

@@ -187,6 +187,6 @@ void tagcache_start_scan(void);
 void tagcache_stop_scan(void);
 bool tagcache_update(void);
 bool tagcache_rebuild(void);
-
+int tagcache_get_max_commit_step(void);
 #endif
 #endif