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/* Copyright (c) 2002,2003,2004,2009 James M. Kretchmar
*
* This file is part of Owl.
*
* Owl is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Owl is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Owl. If not, see <http://www.gnu.org/licenses/>.
*
* ---------------------------------------------------------------
*
* As of Owl version 2.1.12 there are patches contributed by
* developers of the branched BarnOwl project, Copyright (c)
* 2006-2009 The BarnOwl Developers. All rights reserved.
*/
#include <stdlib.h>
#include "owl.h"
static const char fileIdent[] = "$Id: view.c,v 1.10 2009/03/29 12:38:23 kretch Exp $";
void owl_view_create(owl_view *v, char *name, owl_filter *f, owl_style *s)
{
v->name=owl_strdup(name);
v->filter=f;
v->style=s;
owl_messagelist_create(&(v->ml));
owl_view_recalculate(v);
}
char *owl_view_get_name(owl_view *v)
{
return(v->name);
}
/* if the message matches the filter then add to view */
void owl_view_consider_message(owl_view *v, owl_message *m)
{
if (owl_filter_message_match(v->filter, m)) {
owl_messagelist_append_element(&(v->ml), m);
}
}
/* remove all messages, add all the global messages that match the
* filter.
*/
void owl_view_recalculate(owl_view *v)
{
int i, j;
owl_messagelist *gml;
owl_messagelist *ml;
owl_message *m;
gml=owl_global_get_msglist(&g);
ml=&(v->ml);
/* nuke the old list */
owl_list_free_simple((owl_list *) ml);
owl_messagelist_create(&(v->ml));
/* find all the messages we want */
j=owl_messagelist_get_size(gml);
for (i=0; i<j; i++) {
m=owl_messagelist_get_element(gml, i);
if (owl_filter_message_match(v->filter, m)) {
owl_messagelist_append_element(ml, m);
}
}
}
void owl_view_new_filter(owl_view *v, owl_filter *f)
{
v->filter=f;
owl_view_recalculate(v);
}
void owl_view_set_style(owl_view *v, owl_style *s)
{
v->style=s;
}
owl_style *owl_view_get_style(owl_view *v)
{
return(v->style);
}
char *owl_view_get_style_name(owl_view *v) {
return(owl_style_get_name(v->style));
}
owl_message *owl_view_get_element(owl_view *v, int index)
{
return(owl_messagelist_get_element(&(v->ml), index));
}
void owl_view_delete_element(owl_view *v, int index)
{
owl_messagelist_delete_element(&(v->ml), index);
}
void owl_view_undelete_element(owl_view *v, int index)
{
owl_messagelist_undelete_element(&(v->ml), index);
}
int owl_view_get_size(owl_view *v)
{
return(owl_messagelist_get_size(&(v->ml)));
}
/* Returns the position in the view with a message closest
* to the passed msgid. */
int owl_view_get_nearest_to_msgid(owl_view *v, int targetid)
{
int first, last, mid = 0, max, bestdist, curid = 0;
first = 0;
last = max = owl_view_get_size(v) - 1;
while (first <= last) {
mid = (first + last) / 2;
curid = owl_message_get_id(owl_view_get_element(v, mid));
if (curid == targetid) {
return(mid);
} else if (curid < targetid) {
first = mid + 1;
} else {
last = mid - 1;
}
}
bestdist = abs(targetid-curid);
if (curid < targetid && mid+1 < max) {
curid = owl_message_get_id(owl_view_get_element(v, mid+1));
mid = (bestdist < abs(targetid-curid)) ? mid : mid+1;
}
else if (curid > targetid && mid-1 >= 0) {
curid = owl_message_get_id(owl_view_get_element(v, mid-1));
mid = (bestdist < abs(targetid-curid)) ? mid : mid-1;
}
return mid;
}
int owl_view_get_nearest_to_saved(owl_view *v)
{
int cachedid;
cachedid=owl_filter_get_cachedmsgid(v->filter);
if (cachedid<0) return(0);
return (owl_view_get_nearest_to_msgid(v, cachedid));
}
/* saves the current message position in the filter so it can
* be restored later if we switch back to this filter. */
void owl_view_save_curmsgid(owl_view *v, int curid)
{
owl_filter_set_cachedmsgid(v->filter, curid);
}
/* fmtext should already be initialized */
void owl_view_to_fmtext(owl_view *v, owl_fmtext *fm)
{
owl_fmtext_append_normal(fm, "Name: ");
owl_fmtext_append_normal(fm, v->name);
owl_fmtext_append_normal(fm, "\n");
owl_fmtext_append_normal(fm, "Filter: ");
owl_fmtext_append_normal(fm, owl_filter_get_name(v->filter));
owl_fmtext_append_normal(fm, "\n");
owl_fmtext_append_normal(fm, "Style: ");
owl_fmtext_append_normal(fm, owl_style_get_name(v->style));
owl_fmtext_append_normal(fm, "\n");
}
char *owl_view_get_filtname(owl_view *v)
{
return(owl_filter_get_name(v->filter));
}
void owl_view_free(owl_view *v)
{
owl_list_free_simple((owl_list *) &(v->ml));
if (v->name) owl_free(v->name);
}
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