2007-09-03 mcrha Fix for bug #201167 by Nathan Owens

svn path=/trunk/; revision=34163

3 files changed, 474 insertions, 0 deletions

diff --git a/calendar/conduits/common/Makefile.am b/calendar/conduits/common/Makefile.am
new file mode 100644
index 0000000000..ef692b58e1
--- /dev/null
+++ b/calendar/conduits/common/Makefile.am
@@ -0,0 +1,48 @@
+INCLUDES = 					\
+	-I$(top_srcdir)/e-util			\
+	-I$(top_builddir)/e-util		\
+	$(EVOLUTION_CALENDAR_CONDUIT_CFLAGS)
+
+# Calendar Conduit library
+privconduit_LTLIBRARIES = libecalendar_common_conduit.la
+
+ecalendar_common_conduitincludedir = $(privincludedir)/calendar/conduits/common
+
+ecalendar_common_conduitinclude_HEADERS =		\
+	libecalendar-common-conduit.h
+
+libecalendar_common_conduit_la_SOURCES = 	\
+	libecalendar-common-conduit.c
+
+libecalendar_common_conduit_la_LDFLAGS = -module -avoid-version $(NO_UNDEFINED)
+libecalendar_common_conduit_la_LIBADD = 				\
+	$(top_builddir)/e-util/libeutil.la				\
+	$(top_builddir)/e-util/libeconduit.la		 		\
+	$(EVOLUTION_CALENDAR_CONDUIT_LIBS)
+
+
+
+INCLUDES = 					\
+	-I$(top_srcdir)/e-util			\
+	-I$(top_builddir)/e-util		\
+	$(EVOLUTION_CALENDAR_CONDUIT_CFLAGS)
+
+# Calendar Conduit library
+privconduit_LTLIBRARIES = libecalendar_common_conduit.la
+
+ecalendar_common_conduitincludedir = $(privincludedir)/calendar/conduits/common
+
+ecalendar_common_conduitinclude_HEADERS =		\
+	libecalendar-common-conduit.h
+
+libecalendar_common_conduit_la_SOURCES = 	\
+	libecalendar-common-conduit.c
+
+libecalendar_common_conduit_la_LDFLAGS = -module -avoid-version $(NO_UNDEFINED)
+libecalendar_common_conduit_la_LIBADD = 				\
+	$(top_builddir)/e-util/libeutil.la				\
+	$(top_builddir)/e-util/libeconduit.la		 		\
+	$(EVOLUTION_CALENDAR_CONDUIT_LIBS)
+
+
+
diff --git a/calendar/conduits/common/libecalendar-common-conduit.c b/calendar/conduits/common/libecalendar-common-conduit.c
new file mode 100644
index 0000000000..906a149f2b
--- /dev/null
+++ b/calendar/conduits/common/libecalendar-common-conduit.c
@@ -0,0 +1,406 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/* Evolution calendar - ToDo Conduit
+ *
+ * Copyright (C) 2007 Novell, Inc.
+ *
+ * Authors: Tom Billet <mouse256@ulyssis.org>
+ *          Nathan Owens <pianocomp81@yahoo.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include <string.h>
+
+#include <libedataserver/e-categories.h>
+#include <e-util/e-pilot-util.h>
+#include <pi-appinfo.h>
+#include <glib.h>
+
+#include "libecalendar-common-conduit.h"
+
+/*make debugging possible if it's required for a conduit */
+#define LOG(x)
+#ifdef DEBUG_CALCONDUIT
+#define LOG(x) x
+#endif 
+#ifdef DEBUG_MEMOCONDUIT
+#define LOG(x) x
+#endif
+#ifdef DEBUG_TODOCONDUIT
+#define LOG(x) x
+#endif 
+#ifdef DEBUG_CONDUIT
+#define LOG(x) x
+#endif 
+
+/*
+ * Adds a category to the category app info structure (name and ID),
+ * sets category->renamed[i] to true if possible to rename.
+ * 
+ * This will be packed and written to the app info block during post_sync.
+ * 
+ * NOTE: cat_to_add MUST be in PCHAR format. Evolution stores categories
+ *       in UTF-8 format. A conversion must take place before calling
+ *       this function (see e_pilot_utf8_to_pchar() in e-pilot-util.c)
+ */
+int
+e_pilot_add_category_if_possible(char *cat_to_add, struct CategoryAppInfo *category)
+{
+	int i, j;
+	int retval = 0; /* 0 is the Unfiled category */
+	LOG(g_message("e_pilot_add_category_if_possible\n"));
+	
+	for(i=0; i<PILOT_MAX_CATEGORIES; i++){
+		/* if strlen is 0, then the category is empty
+		   the PalmOS doesn't let 0-length strings for
+		   categories */
+		if(strlen(category->name[i]) == 0){
+			int cat_to_add_len;
+			
+			cat_to_add_len = strlen(cat_to_add);
+			retval = i;
+
+			if(cat_to_add_len > 15){
+				/* Have to truncate the category name */
+				cat_to_add_len = 15;
+			}
+			
+			/* only 15 characters for category, 16th is
+			 * '\0' can't do direct mem transfer due to
+			 * declaration type
+			 */
+			for(j=0; j<cat_to_add_len; j++){
+				category->name[i][j] = cat_to_add[j];
+			}
+
+			for(j=cat_to_add_len; j<16; j++) {
+				category->name[i][j] = '\0';
+			}
+			
+			//find a desktop id that is not in use between 128 and 255
+			int desktopUniqueID;
+			for (desktopUniqueID = 128; desktopUniqueID <= 255; desktopUniqueID++) {
+				int found = 0;
+				for(j=0; j<PILOT_MAX_CATEGORIES; j++){
+					if (category->ID[i] == desktopUniqueID) {
+						found = 1;
+					}
+				}
+				if (found == 0) {
+					break;
+				}
+				if (desktopUniqueID == 255) {
+					LOG (g_warning ("*** no more categories available on PC ***"));
+				}
+			}
+			category->ID[i] = desktopUniqueID;
+			
+			category->renamed[i] = TRUE;
+			
+			break;
+		}
+	}
+	
+	if(retval == 0){
+		LOG (g_warning ("*** not adding category - category list already full ***"));
+	}
+	
+	return retval;
+}
+
+/*
+ *conversion from an evolution category to a palm category
+ */
+void e_pilot_local_category_to_remote(int * pilotCategory, ECalComponent *comp, struct CategoryAppInfo *category)
+{
+	GSList *c_list = NULL;
+	char * category_string;
+	int i;
+	e_cal_component_get_categories_list (comp, &c_list);
+	if (c_list) {
+		//list != 0, so at least 1 category is assigned
+		category_string = e_pilot_utf8_to_pchar((const char *)c_list->data);
+		if (c_list->next != 0) {
+			LOG (g_message ("Note: item has more categories in evolution, first chosen"));
+		}
+		i=1;
+		while (1) {
+			if (strcmp(category_string,category->name[i]) == 0) {
+				*pilotCategory = i;
+				break;
+			}
+			i++;
+			if (i == PILOT_MAX_CATEGORIES) {
+				/* category not available on palm, try to create it */
+				*pilotCategory = e_pilot_add_category_if_possible(category_string,category);
+				break;
+			}
+		}
+		e_cal_component_free_categories_list(c_list);
+		c_list = NULL;
+	} else {
+		*pilotCategory = 0;
+	}
+	/*end category*/
+}
+
+/*
+ *conversion from a palm category to an evolution category
+ */
+void e_pilot_remote_category_to_local(int pilotCategory, ECalComponent *comp, struct CategoryAppInfo *category)
+{
+	char *category_string = NULL;
+
+	if (pilotCategory != 0) {
+		/* pda has category assigned */
+		category_string = e_pilot_utf8_from_pchar(category->name[pilotCategory]);
+
+		LOG(g_message("Category: %s\n", category_string));
+
+		/* TODO The calendar editor page and search bar are not updated until a restart of the evolution client */
+		if(e_categories_exist(category_string) == FALSE){
+			/* add if it doesn't exist */
+			LOG(g_message("Category created on pc\n"));
+			e_categories_add(category_string, NULL, NULL, TRUE);
+		}
+	}
+
+	/* store the data on in evolution */
+	if (category_string == NULL) {
+		/* note: this space is needed to make sure evolution clears the category */
+		e_cal_component_set_categories (comp, " "); 
+	} 
+	else {
+
+		/* Since only the first category is synced with the PDA, add the PDA's
+		 * category to the beginning of the category list */
+		GSList *c_list = NULL;
+		GSList *newcat_in_list;
+		e_cal_component_get_categories_list (comp, &c_list);
+
+		/* remove old item from list so we don't have duplicate entries */		
+		newcat_in_list = g_slist_find_custom(c_list, category_string, (GCompareFunc)strcmp);
+		if(newcat_in_list != NULL)
+		{
+			c_list = g_slist_remove(c_list, newcat_in_list->data);
+		}
+
+		c_list = g_slist_prepend(c_list, category_string);
+		e_cal_component_set_categories_list (comp, c_list);
+		e_cal_component_free_categories_list(c_list);
+	}
+}
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/* Evolution calendar - ToDo Conduit
+ *
+ * Copyright (C) 2007 Novell, Inc.
+ *
+ * Authors: Tom Billet <mouse256@ulyssis.org>
+ *          Nathan Owens <pianocomp81@yahoo.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include <string.h>
+
+#include <libedataserver/e-categories.h>
+#include <e-util/e-pilot-util.h>
+#include <pi-appinfo.h>
+#include <glib.h>
+
+#include "libecalendar-common-conduit.h"
+
+/*make debugging possible if it's required for a conduit */
+#define LOG(x)
+#ifdef DEBUG_CALCONDUIT
+#define LOG(x) x
+#endif 
+#ifdef DEBUG_MEMOCONDUIT
+#define LOG(x) x
+#endif
+#ifdef DEBUG_TODOCONDUIT
+#define LOG(x) x
+#endif 
+#ifdef DEBUG_CONDUIT
+#define LOG(x) x
+#endif 
+
+/*
+ * Adds a category to the category app info structure (name and ID),
+ * sets category->renamed[i] to true if possible to rename.
+ * 
+ * This will be packed and written to the app info block during post_sync.
+ * 
+ * NOTE: cat_to_add MUST be in PCHAR format. Evolution stores categories
+ *       in UTF-8 format. A conversion must take place before calling
+ *       this function (see e_pilot_utf8_to_pchar() in e-pilot-util.c)
+ */
+int
+e_pilot_add_category_if_possible(char *cat_to_add, struct CategoryAppInfo *category)
+{
+	int i, j;
+	int retval = 0; /* 0 is the Unfiled category */
+	LOG(g_message("e_pilot_add_category_if_possible\n"));
+	
+	for(i=0; i<PILOT_MAX_CATEGORIES; i++){
+		/* if strlen is 0, then the category is empty
+		   the PalmOS doesn't let 0-length strings for
+		   categories */
+		if(strlen(category->name[i]) == 0){
+			int cat_to_add_len;
+			
+			cat_to_add_len = strlen(cat_to_add);
+			retval = i;
+
+			if(cat_to_add_len > 15){
+				/* Have to truncate the category name */
+				cat_to_add_len = 15;
+			}
+			
+			/* only 15 characters for category, 16th is
+			 * '\0' can't do direct mem transfer due to
+			 * declaration type
+			 */
+			for(j=0; j<cat_to_add_len; j++){
+				category->name[i][j] = cat_to_add[j];
+			}
+
+			for(j=cat_to_add_len; j<16; j++) {
+				category->name[i][j] = '\0';
+			}
+			
+			//find a desktop id that is not in use between 128 and 255
+			int desktopUniqueID;
+			for (desktopUniqueID = 128; desktopUniqueID <= 255; desktopUniqueID++) {
+				int found = 0;
+				for(j=0; j<PILOT_MAX_CATEGORIES; j++){
+					if (category->ID[i] == desktopUniqueID) {
+						found = 1;
+					}
+				}
+				if (found == 0) {
+					break;
+				}
+				if (desktopUniqueID == 255) {
+					LOG(g_warning( _("*** no more categories available on PC ***")));
+				}
+			}
+			category->ID[i] = desktopUniqueID;
+			
+			category->renamed[i] = TRUE;
+			
+			break;
+		}
+	}
+	
+	if(retval == 0){
+		LOG (g_warning( _("*** not adding category - category list already full ***") ));
+	}
+	
+	return retval;
+}
+
+/*
+ *conversion from an evolution category to a palm category
+ */
+void e_pilot_local_category_to_remote(int * pilotCategory, ECalComponent *comp, struct CategoryAppInfo *category)
+{
+	GSList *c_list = NULL;
+	char * category_string;
+	int i;
+	e_cal_component_get_categories_list (comp, &c_list);
+	if (c_list) {
+		//list != 0, so at least 1 category is assigned
+		category_string = e_pilot_utf8_to_pchar((const char *)c_list->data);
+		if (c_list->next != 0) {
+			LOG (g_message ("Note: item has more categories in evolution, first chosen"));
+		}
+		i=1;
+		while (1) {
+			if (strcmp(category_string,category->name[i]) == 0) {
+				*pilotCategory = i;
+				break;
+			}
+			i++;
+			if (i == PILOT_MAX_CATEGORIES) {
+				/* category not available on palm, try to create it */
+				*pilotCategory = e_pilot_add_category_if_possible(category_string,category);
+				break;
+			}
+		}
+		e_cal_component_free_categories_list(c_list);
+		c_list = NULL;
+	} else {
+		*pilotCategory = 0;
+	}
+	/*end category*/
+}
+
+/*
+ *conversion from a palm category to an evolution category
+ */
+void e_pilot_remote_category_to_local(int pilotCategory, ECalComponent *comp, struct CategoryAppInfo *category)
+{
+	char *category_string = NULL;
+
+	if (pilotCategory != 0) {
+		/* pda has category assigned */
+		category_string = e_pilot_utf8_from_pchar(category->name[pilotCategory]);
+
+		LOG(g_message("Category: %s\n", category_string));
+
+		/* TODO The calendar editor page and search bar are not updated until a restart of the evolution client */
+		if(e_categories_exist(category_string) == FALSE){
+			/* add if it doesn't exist */
+			LOG(g_message("Category created on pc\n"));
+			e_categories_add(category_string, NULL, NULL, TRUE);
+		}
+	}
+
+	/* store the data on in evolution */
+	if (category_string == NULL) {
+		/* note: this space is needed to make sure evolution clears the category */
+		e_cal_component_set_categories (comp, " "); 
+	} 
+	else {
+
+		/* Since only the first category is synced with the PDA, add the PDA's
+		 * category to the beginning of the category list */
+		GSList *c_list = NULL;
+		GSList *newcat_in_list;
+		e_cal_component_get_categories_list (comp, &c_list);
+
+		/* remove old item from list so we don't have duplicate entries */		
+		newcat_in_list = g_slist_find_custom(c_list, category_string, (GCompareFunc)strcmp);
+		if(newcat_in_list != NULL)
+		{
+			c_list = g_slist_remove(c_list, newcat_in_list->data);
+		}
+
+		c_list = g_slist_prepend(c_list, category_string);
+		e_cal_component_set_categories_list (comp, c_list);
+		e_cal_component_free_categories_list(c_list);
+	}
+}
diff --git a/calendar/conduits/common/libecalendar-common-conduit.h b/calendar/conduits/common/libecalendar-common-conduit.h
new file mode 100644
index 0000000000..3d2cac6312
--- /dev/null
+++ b/calendar/conduits/common/libecalendar-common-conduit.h
@@ -0,0 +1,20 @@
+#include <libedataserver/e-categories.h>
+#include <libecal/e-cal.h>
+#include <pi-appinfo.h>
+
+#define PILOT_MAX_CATEGORIES 16
+
+
+int e_pilot_add_category_if_possible(char *cat_to_add, struct CategoryAppInfo *category);
+void e_pilot_local_category_to_remote(int * pilotCategory, ECalComponent *comp, struct CategoryAppInfo *category);
+void e_pilot_remote_category_to_local(int   pilotCategory, ECalComponent *comp, struct CategoryAppInfo *category);
+#include <libedataserver/e-categories.h>
+#include <libecal/e-cal.h>
+#include <pi-appinfo.h>
+
+#define PILOT_MAX_CATEGORIES 16
+
+
+int e_pilot_add_category_if_possible(char *cat_to_add, struct CategoryAppInfo *category);
+void e_pilot_local_category_to_remote(int * pilotCategory, ECalComponent *comp, struct CategoryAppInfo *category);
+void e_pilot_remote_category_to_local(int   pilotCategory, ECalComponent *comp, struct CategoryAppInfo *category);