implemented the automatic filtering of IMAP4 INBOX folder.

git-svn-id: svn://sylpheed.sraoss.jp/sylpheed/trunk@1491 ee746299-78ed-0310-b773-934348b2243d

10 files changed, 115 insertions, 16 deletions

diff --git a/libsylph/folder.c b/libsylph/folder.c
index ba6a3a59..7d0cabd2 100644
--- a/libsylph/folder.c
+++ b/libsylph/folder.c
@@ -1,6 +1,6 @@
 /*
  * LibSylph -- E-Mail client library
- * Copyright (C) 1999-2005 Hiroyuki Yamamoto
+ * Copyright (C) 1999-2007 Hiroyuki Yamamoto
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -968,6 +968,22 @@ GSList *folder_item_get_msg_list(FolderItem *item, gboolean use_cache)
 	return folder->klass->get_msg_list(folder, item, use_cache);
 }
 
+GSList *folder_item_get_uncached_msg_list(FolderItem *item)
+{
+	Folder *folder;
+
+	g_return_val_if_fail(item != NULL, NULL);
+	g_return_val_if_fail(item->folder->klass->get_uncached_msg_list != NULL,
+			     NULL);
+
+	folder = item->folder;
+
+	if (item->stype == F_VIRTUAL)
+		return NULL;
+
+	return folder->klass->get_uncached_msg_list(folder, item);
+}
+
 gchar *folder_item_fetch_msg(FolderItem *item, gint num)
 {
 	Folder *folder;
diff --git a/libsylph/folder.h b/libsylph/folder.h
index a5083c2e..1c8cd09d 100644
--- a/libsylph/folder.h
+++ b/libsylph/folder.h
@@ -1,6 +1,6 @@
 /*
  * LibSylph -- E-Mail client library
- * Copyright (C) 1999-2005 Hiroyuki Yamamoto
+ * Copyright (C) 1999-2007 Hiroyuki Yamamoto
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -154,6 +154,9 @@ struct _FolderClass
 	GSList * (*get_msg_list)	(Folder		*folder,
 					 FolderItem	*item,
 					 gboolean	 use_cache);
+	GSList * (*get_uncached_msg_list)
+					(Folder		*folder,
+					 FolderItem	*item);
 	/* return value is filename encoding */
 	gchar *  (*fetch_msg)		(Folder		*folder,
 					 FolderItem	*item,
@@ -367,6 +370,8 @@ gint   folder_item_scan			(FolderItem	*item);
 void   folder_item_scan_foreach		(GHashTable	*table);
 GSList *folder_item_get_msg_list	(FolderItem	*item,
 					 gboolean	 use_cache);
+GSList *folder_item_get_uncached_msg_list
+					(FolderItem	*item);
 /* return value is filename encoding */
 gchar *folder_item_fetch_msg		(FolderItem	*item,
 					 gint		 num);
diff --git a/libsylph/imap.c b/libsylph/imap.c
index 4ecb3778..9eda5599 100644
--- a/libsylph/imap.c
+++ b/libsylph/imap.c
@@ -1,6 +1,6 @@
 /*
  * LibSylph -- E-Mail client library
- * Copyright (C) 1999-2006 Hiroyuki Yamamoto
+ * Copyright (C) 1999-2007 Hiroyuki Yamamoto
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -100,6 +100,9 @@ static gint imap_fetch_flags		(IMAPSession	*session,
 static GSList *imap_get_msg_list	(Folder		*folder,
 					 FolderItem	*item,
 					 gboolean	 use_cache);
+static GSList *imap_get_uncached_msg_list
+					(Folder		*folder,
+					 FolderItem	*item);
 static gchar *imap_fetch_msg		(Folder		*folder,
 					 FolderItem	*item,
 					 gint		 uid);
@@ -381,6 +384,7 @@ static FolderClass imap_class =
 	imap_create_tree,
 
 	imap_get_msg_list,
+	imap_get_uncached_msg_list,
 	imap_fetch_msg,
 	imap_get_msginfo,
 	imap_add_msg,
@@ -857,14 +861,16 @@ static gint imap_fetch_flags(IMAPSession *session, GArray **uids,
 	return ok;
 }
 
-static GSList *imap_get_msg_list(Folder *folder, FolderItem *item,
-				 gboolean use_cache)
+static GSList *imap_get_msg_list_full(Folder *folder, FolderItem *item,
+				      gboolean use_cache,
+				      gboolean uncached_only)
 {
 	GSList *mlist = NULL;
 	IMAPSession *session;
 	gint ok, exists = 0, recent = 0, unseen = 0;
 	guint32 uid_validity = 0;
 	guint32 first_uid = 0, last_uid = 0;
+	GSList *newlist = NULL;
 
 	g_return_val_if_fail(folder != NULL, NULL);
 	g_return_val_if_fail(item != NULL, NULL);
@@ -1040,7 +1046,6 @@ static GSList *imap_get_msg_list(Folder *folder, FolderItem *item,
 		}
 
 		if (begin > 0 && begin <= last_uid) {
-			GSList *newlist;
 			newlist = imap_get_uncached_messages
 				(session, item, begin, last_uid,
 				 exists - item->total, TRUE);
@@ -1057,6 +1062,7 @@ static GSList *imap_get_msg_list(Folder *folder, FolderItem *item,
 		last_uid = procmsg_get_last_num_in_msg_list(mlist);
 		item->cache_dirty = TRUE;
 		item->mark_dirty = TRUE;
+		newlist = mlist;
 	}
 
 	mlist = procmsg_sort_msg_list(mlist, item->sort_key, item->sort_type);
@@ -1078,11 +1084,42 @@ static GSList *imap_get_msg_list(Folder *folder, FolderItem *item,
 	}
 
 catch:
+	if (uncached_only) {
+		GSList *cur;
+
+		if (newlist == NULL) {
+			procmsg_msg_list_free(mlist);
+			return NULL;
+		}
+		if (mlist == newlist)
+			return newlist;
+		for (cur = mlist; cur != NULL; cur = cur->next) {
+			if (cur->next == newlist) {
+				cur->next = NULL;
+				procmsg_msg_list_free(mlist);
+				return newlist;
+			}
+		}
+		procmsg_msg_list_free(mlist);
+		return NULL;
+	}
+
 	return mlist;
 }
 
 #undef THROW
 
+static GSList *imap_get_msg_list(Folder *folder, FolderItem *item,
+				 gboolean use_cache)
+{
+	return imap_get_msg_list_full(folder, item, use_cache, FALSE);
+}
+
+static GSList *imap_get_uncached_msg_list(Folder *folder, FolderItem *item)
+{
+	return imap_get_msg_list_full(folder, item, TRUE, TRUE);
+}
+
 static gchar *imap_fetch_msg(Folder *folder, FolderItem *item, gint uid)
 {
 	gchar *path, *filename;
diff --git a/libsylph/imap.h b/libsylph/imap.h
index d6db69e2..a7c27fd8 100644
--- a/libsylph/imap.h
+++ b/libsylph/imap.h
@@ -1,6 +1,6 @@
 /*
  * LibSylph -- E-Mail client library
- * Copyright (C) 1999-2005 Hiroyuki Yamamoto
+ * Copyright (C) 1999-2007 Hiroyuki Yamamoto
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
diff --git a/libsylph/mh.c b/libsylph/mh.c
index 7a97f4a3..12c1c966 100644
--- a/libsylph/mh.c
+++ b/libsylph/mh.c
@@ -1,6 +1,6 @@
 /*
  * LibSylph -- E-Mail client library
- * Copyright (C) 1999-2006 Hiroyuki Yamamoto
+ * Copyright (C) 1999-2007 Hiroyuki Yamamoto
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -56,6 +56,8 @@ static void     mh_folder_destroy	(Folder		*folder);
 static GSList  *mh_get_msg_list		(Folder		*folder,
 					 FolderItem	*item,
 					 gboolean	 use_cache);
+static GSList  *mh_get_uncached_msg_list(Folder		*folder,
+					 FolderItem	*item);
 static gchar   *mh_fetch_msg		(Folder		*folder,
 					 FolderItem	*item,
 					 gint		 num);
@@ -143,6 +145,7 @@ static FolderClass mh_class =
 	mh_create_tree,
 
 	mh_get_msg_list,
+	mh_get_uncached_msg_list,
 	mh_fetch_msg,
 	mh_get_msginfo,
 	mh_add_msg,
@@ -191,12 +194,13 @@ static void mh_folder_init(Folder *folder, const gchar *name, const gchar *path)
 	folder_local_folder_init(folder, name, path);
 }
 
-static GSList *mh_get_msg_list(Folder *folder, FolderItem *item,
-			       gboolean use_cache)
+static GSList *mh_get_msg_list_full(Folder *folder, FolderItem *item,
+				    gboolean use_cache, gboolean uncached_only)
 {
 	GSList *mlist;
 	GHashTable *msg_table;
 	time_t cur_mtime;
+	GSList *newlist = NULL;
 #ifdef MEASURE_TIME
 	GTimer *timer;
 #endif
@@ -218,7 +222,7 @@ static GSList *mh_get_msg_list(Folder *folder, FolderItem *item,
 				item->cache_dirty = TRUE;
 		}
 	} else if (use_cache) {
-		GSList *newlist, *cur, *next;
+		GSList *cur, *next;
 		gboolean strict_cache_check = prefs_common.strict_cache_check;
 
 		if (item->stype == F_QUEUE || item->stype == F_DRAFT)
@@ -251,6 +255,7 @@ static GSList *mh_get_msg_list(Folder *folder, FolderItem *item,
 	} else {
 		mlist = mh_get_uncached_msgs(NULL, item);
 		item->cache_dirty = TRUE;
+		newlist = mlist;
 	}
 
 	procmsg_set_flags(mlist, item);
@@ -277,9 +282,40 @@ static GSList *mh_get_msg_list(Folder *folder, FolderItem *item,
 			procmsg_write_flags_list(item, mlist);
 	}
 
+	if (uncached_only) {
+		GSList *cur;
+
+		if (newlist == NULL) {
+			procmsg_msg_list_free(mlist);
+			return NULL;
+		}
+		if (mlist == newlist)
+			return newlist;
+		for (cur = mlist; cur != NULL; cur = cur->next) {
+			if (cur->next == newlist) {
+				cur->next = NULL;
+				procmsg_msg_list_free(mlist);
+				return newlist;
+			}
+		}
+		procmsg_msg_list_free(mlist);
+		return NULL;
+	}
+
 	return mlist;
 }
 
+static GSList *mh_get_msg_list(Folder *folder, FolderItem *item,
+			       gboolean use_cache)
+{
+	return mh_get_msg_list_full(folder, item, use_cache, FALSE);
+}
+
+static GSList *mh_get_uncached_msg_list(Folder *folder, FolderItem *item)
+{
+	return mh_get_msg_list_full(folder, item, TRUE, TRUE);
+}
+
 static gchar *mh_fetch_msg(Folder *folder, FolderItem *item, gint num)
 {
 	gchar *path;
diff --git a/libsylph/mh.h b/libsylph/mh.h
index adea89bb..32cb5907 100644
--- a/libsylph/mh.h
+++ b/libsylph/mh.h
@@ -1,6 +1,6 @@
 /*
  * LibSylph -- E-Mail client library
- * Copyright (C) 1999-2005 Hiroyuki Yamamoto
+ * Copyright (C) 1999-2007 Hiroyuki Yamamoto
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
diff --git a/libsylph/news.c b/libsylph/news.c
index e17e86c5..3a0ab688 100644
--- a/libsylph/news.c
+++ b/libsylph/news.c
@@ -1,6 +1,6 @@
 /*
  * LibSylph -- E-Mail client library
- * Copyright (C) 1999-2006 Hiroyuki Yamamoto
+ * Copyright (C) 1999-2007 Hiroyuki Yamamoto
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -134,6 +134,7 @@ static FolderClass news_class =
 	NULL,
 
 	news_get_article_list,
+	NULL,
 	news_fetch_msg,
 	news_get_msginfo,
 	NULL,
diff --git a/libsylph/news.h b/libsylph/news.h
index d6d01a30..8adcb2f6 100644
--- a/libsylph/news.h
+++ b/libsylph/news.h
@@ -1,6 +1,6 @@
 /*
  * LibSylph -- E-Mail client library
- * Copyright (C) 1999-2005 Hiroyuki Yamamoto
+ * Copyright (C) 1999-2007 Hiroyuki Yamamoto
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
diff --git a/libsylph/prefs_account.c b/libsylph/prefs_account.c
index d9fb433a..c9eee518 100644
--- a/libsylph/prefs_account.c
+++ b/libsylph/prefs_account.c
@@ -1,6 +1,6 @@
 /*
  * LibSylph -- E-Mail client library
- * Copyright (C) 1999-2006 Hiroyuki Yamamoto
+ * Copyright (C) 1999-2007 Hiroyuki Yamamoto
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -63,6 +63,8 @@ static PrefParam param[] = {
 	{"filter_on_receive", "TRUE", &tmp_ac_prefs.filter_on_recv, P_BOOL},
 	{"imap_check_inbox_only", "FALSE", &tmp_ac_prefs.imap_check_inbox_only,
 	 P_BOOL},
+	{"imap_filter_inbox_on_receive", "FALSE",
+	 &tmp_ac_prefs.imap_filter_inbox_on_recv, P_BOOL},
 	{"imap_auth_method", "0", &tmp_ac_prefs.imap_auth_type, P_ENUM},
 	{"max_nntp_articles", "300", &tmp_ac_prefs.max_nntp_articles, P_INT},
 	{"receive_at_get_all", "TRUE", &tmp_ac_prefs.recv_at_getall, P_BOOL},
diff --git a/libsylph/prefs_account.h b/libsylph/prefs_account.h
index 8c848f64..1e9bd4b0 100644
--- a/libsylph/prefs_account.h
+++ b/libsylph/prefs_account.h
@@ -1,6 +1,6 @@
 /*
  * LibSylph -- E-Mail client library
- * Copyright (C) 1999-2006 Hiroyuki Yamamoto
+ * Copyright (C) 1999-2007 Hiroyuki Yamamoto
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -92,7 +92,9 @@ struct _PrefsAccount
 	gchar *inbox;
 
 	gboolean imap_check_inbox_only;
+	gboolean imap_filter_inbox_on_recv;
 	gint imap_auth_type;
+
 	gint max_nntp_articles;
 
 	gboolean recv_at_getall;