PurpleWhiteboard *silcpurple_wb_init_ch(SilcPurple sg, SilcChannelEntry channel)
{
PurpleWhiteboard *wb;
SilcPurpleWb wbs;
wb = purple_whiteboard_get_session(sg->account, channel->channel_name);
if (!wb)
wb = purple_whiteboard_create(sg->account, channel->channel_name, 0);
if (!wb)
return NULL;
if (!wb->proto_data) {
wbs = silc_calloc(1, sizeof(*wbs));
if (!wbs)
return NULL;
wbs->type = 1;
wbs->u.channel = channel;
wbs->width = SILCPURPLE_WB_WIDTH;
wbs->height = SILCPURPLE_WB_HEIGHT;
wbs->brush_size = SILCPURPLE_WB_BRUSH_SMALL;
wbs->brush_color = SILCPURPLE_WB_COLOR_BLACK;
wb->proto_data = wbs;
/* Start the whiteboard */
purple_whiteboard_start(wb);
purple_whiteboard_clear(wb);
}
return wb;
}
void silcpurple_wb_receive_ch(SilcClient client, SilcClientConnection conn,
SilcClientEntry sender, SilcChannelEntry channel,
SilcMessagePayload payload,
SilcMessageFlags flags,
const unsigned char *message,
SilcUInt32 message_len)
{
SilcPurple sg;
PurpleConnection *gc;
PurpleWhiteboard *wb;
SilcPurpleWb wbs;
gc = client->application;
sg = gc->proto_data;
wb = purple_whiteboard_get_session(sg->account, channel->channel_name);
if (!wb) {
/* Ask user if they want to open the whiteboard */
silcpurple_wb_request(client, message, message_len,
sender, channel);
return;
}
wbs = wb->proto_data;
silcpurple_wb_parse(wbs, wb, (unsigned char *)message, message_len);
}
static int
yahoo_doodle_accept_request(PurpleRequestAcceptData *data)
{
PurpleWhiteboard *wb;
PurpleAccount *account;
account = purple_connection_get_account(data->gc);
wb = purple_whiteboard_get_session(account, data->from);
/* If a session with the remote user doesn't exist */
if(wb == NULL)
{
doodle_session *ds;
wb = purple_whiteboard_create(account, data->from, DOODLE_STATE_REQUESTED);
ds = wb->proto_data;
ds->imv_key = g_strdup(data->imv_key);
yahoo_doodle_command_send_ready(data->gc, data->from,
data->imv_key);
}
/* TODO Might be required to clear the canvas of an existing doodle
* session at this point
*/
return 0;
}
PurpleWhiteboard *silcpurple_wb_init(SilcPurple sg, SilcClientEntry client_entry)
{
SilcClientConnection conn;
PurpleWhiteboard *wb;
SilcPurpleWb wbs;
conn = sg->conn;
wb = purple_whiteboard_get_session(sg->account, client_entry->nickname);
if (!wb)
wb = purple_whiteboard_create(sg->account, client_entry->nickname, 0);
if (!wb)
return NULL;
if (!wb->proto_data) {
wbs = silc_calloc(1, sizeof(*wbs));
if (!wbs)
return NULL;
wbs->type = 0;
wbs->u.client = client_entry;
wbs->width = SILCPURPLE_WB_WIDTH;
wbs->height = SILCPURPLE_WB_HEIGHT;
wbs->brush_size = SILCPURPLE_WB_BRUSH_SMALL;
wbs->brush_color = SILCPURPLE_WB_COLOR_BLACK;
wb->proto_data = wbs;
/* Start the whiteboard */
purple_whiteboard_start(wb);
purple_whiteboard_clear(wb);
}
return wb;
}
void yahoo_doodle_initiate(PurpleConnection *gc, const char *name)
{
PurpleAccount *account;
char *to = (char*)name;
PurpleWhiteboard *wb;
g_return_if_fail(gc);
g_return_if_fail(name);
account = purple_connection_get_account(gc);
wb = purple_whiteboard_get_session(account, to);
if(wb == NULL)
{
/* Insert this 'session' in the list. At this point, it's only a
* requested session.
*/
wb = purple_whiteboard_create(account, to, DOODLE_STATE_REQUESTING);
}
/* NOTE Perhaps some careful handling of remote assumed established
* sessions
*/
yahoo_doodle_command_send_ready(gc, to, DOODLE_IMV_KEY);
yahoo_doodle_command_send_request(gc, to, DOODLE_IMV_KEY);
}
static void yahoo_doodle_command_got_draw(PurpleConnection *gc, const char *from, const char *message)
{
PurpleAccount *account;
PurpleWhiteboard *wb;
char **tokens;
int i;
GList *d_list = NULL; /* a local list of drawing info */
g_return_if_fail(message != NULL);
purple_debug_info("yahoo", "doodle: Got Draw (%s)\n", from);
purple_debug_info("yahoo", "doodle: Draw message: %s\n", message);
account = purple_connection_get_account(gc);
/* Only handle this if local client requested Doodle session (else local
* client would have sent one)
*/
wb = purple_whiteboard_get_session(account, from);
if(wb == NULL)
return;
/* TODO Functionalize
* Convert drawing packet message to an integer list
*/
/* Check to see if the message begans and ends with quotes */
if((message[0] != '\"') || (message[strlen(message) - 1] != '\"'))
return;
/* Ignore the inital quotation mark. */
message += 1;
tokens = g_strsplit(message, ",", 0);
/* Traverse and extract all integers divided by commas */
for (i = 0; tokens[i] != NULL; i++)
{
int last = strlen(tokens[i]) - 1;
if (tokens[i][last] == '"')
tokens[i][last] = '\0';
d_list = g_list_prepend(d_list, GINT_TO_POINTER(atoi(tokens[i])));
}
d_list = g_list_reverse(d_list);
g_strfreev(tokens);
yahoo_doodle_draw_stroke(wb, d_list);
/* goodle_doodle_session_set_canvas_as_icon(ds); */
g_list_free(d_list);
}
static void yahoo_doodle_command_got_ready(PurpleConnection *gc, const char *from, const char *imv_key)
{
PurpleAccount *account;
PurpleWhiteboard *wb;
purple_debug_info("yahoo", "doodle: Got Ready(%s)\n", from);
account = purple_connection_get_account(gc);
/* Only handle this if local client requested Doodle session (else local
* client would have sent one)
*/
wb = purple_whiteboard_get_session(account, from);
if(wb == NULL)
return;
if(wb->state == DOODLE_STATE_REQUESTING)
{
doodle_session *ds = wb->proto_data;
purple_whiteboard_start(wb);
wb->state = DOODLE_STATE_ESTABLISHED;
yahoo_doodle_command_send_confirm(gc, from, imv_key);
/* Let's steal the imv_key and reuse it */
g_free(ds->imv_key);
ds->imv_key = g_strdup(imv_key);
}
else if(wb->state == DOODLE_STATE_ESTABLISHED)
{
/* TODO Ask whether to save picture too */
purple_whiteboard_clear(wb);
}
/* NOTE Not sure about this... I am trying to handle if the remote user
* already thinks we're in a session with them (when their chat message
* contains the doodle imv key)
*/
else if(wb->state == DOODLE_STATE_REQUESTED)
{
/* purple_whiteboard_start(wb); */
yahoo_doodle_command_send_ready(gc, from, imv_key);
}
}
static void yahoo_doodle_command_got_request(PurpleConnection *gc, const char *from, const char *imv_key)
{
PurpleAccount *account;
PurpleWhiteboard *wb;
purple_debug_info("yahoo", "doodle: Got Request (%s)\n", from);
account = purple_connection_get_account(gc);
/* Only handle this if local client requested Doodle session (else local
* client would have sent one)
*/
wb = purple_whiteboard_get_session(account, from);
/* If a session with the remote user doesn't exist */
if(wb == NULL)
{
doodle_session *ds;
/* Ask user if they wish to accept the request for a doodle session */
/* TODO Ask local user to start Doodle session with remote user */
/* NOTE This if/else statement won't work right--must use dialog
* results
*/
/* char dialog_message[64];
g_sprintf(dialog_message, "%s is requesting to start a Doodle session with you.", from);
purple_notify_message(NULL, PURPLE_NOTIFY_MSG_INFO, "Doodle",
dialog_message, NULL, NULL, NULL);
*/
wb = purple_whiteboard_new(account, from, DOODLE_STATE_REQUESTED);
ds = purple_whiteboard_get_protocol_data(wb);
ds->imv_key = g_strdup(imv_key);
yahoo_doodle_command_send_ready(gc, from, imv_key);
}
/* TODO Might be required to clear the canvas of an existing doodle
* session at this point
*/
}
static void yahoo_doodle_command_got_confirm(PurpleConnection *gc, const char *from)
{
PurpleAccount *account;
PurpleWhiteboard *wb;
purple_debug_info("yahoo", "doodle: Got Confirm (%s)\n", from);
/* Get the doodle session */
account = purple_connection_get_account(gc);
/* Only handle this if local client requested Doodle session (else local
* client would have sent one)
*/
wb = purple_whiteboard_get_session(account, from);
if(wb == NULL)
return;
/* TODO Combine the following IF's? */
/* Check if we requested a doodle session */
/*if(wb->state == DOODLE_STATE_REQUESTING)
{
wb->state = DOODLE_STATE_ESTABLISHED;
purple_whiteboard_start(wb);
yahoo_doodle_command_send_confirm(gc, from);
}*/
/* Check if we accepted a request for a doodle session */
if(wb->state == DOODLE_STATE_REQUESTED)
{
wb->state = DOODLE_STATE_ESTABLISHED;
purple_whiteboard_start(wb);
}
}
void yahoo_doodle_command_got_shutdown(PurpleConnection *gc, const char *from)
{
PurpleAccount *account;
PurpleWhiteboard *wb;
g_return_if_fail(from != NULL);
purple_debug_info("yahoo", "doodle: Got Shutdown (%s)\n", from);
account = purple_connection_get_account(gc);
/* Only handle this if local client requested Doodle session (else local
* client would have sent one)
*/
wb = purple_whiteboard_get_session(account, from);
if(wb == NULL)
return;
/* TODO Ask if user wants to save picture before the session is closed */
wb->state = DOODLE_STATE_CANCELLED;
purple_whiteboard_destroy(wb);
}
static void yahoo_doodle_command_got_clear(PurpleConnection *gc, const char *from)
{
PurpleAccount *account;
PurpleWhiteboard *wb;
purple_debug_info("yahoo", "doodle: Got Clear (%s)\n", from);
account = purple_connection_get_account(gc);
/* Only handle this if local client requested Doodle session (else local
* client would have sent one)
*/
wb = purple_whiteboard_get_session(account, from);
if(wb == NULL)
return;
if(wb->state == DOODLE_STATE_ESTABLISHED)
{
/* TODO Ask user whether to save the image before clearing it */
purple_whiteboard_clear(wb);
}
}