thconversations.c

   1 /*
   2  * Thrasher Bird - XMPP transport via libpurple
   3  * Copyright (C) 2008 Barracuda Networks, Inc.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with Thrasher Bird; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
  18  */
  19
  20 #include <glib.h>
  21 #include "thrasher.h"
  22 #include "thperl.h"
  23
  24 #include <purple.h>
  25
  26 #include "thconversations.h"
  27
  28 static void
  29 thrasher_destroy_conversation(PurpleConversation *conv) {
  30     purple_debug_info("thrasher", "destroy conversation\n");
  31 }
  32
  33 PurpleConversation*
  34 thrasher_find_conversation_with_account(PurpleAccount* pa,
  35                                         const char* who) {
  36     PurpleConversation *conv;
  37
  38     /* For testing and the initial build we're recreating a
  39      * conversation *every time*
  40      */
  41     conv = purple_find_conversation_with_account(PURPLE_CONV_TYPE_IM, who, pa);
  42
  43     /* If not, create a new one */
  44     if (conv == NULL) {
  45         conv = purple_conversation_new(PURPLE_CONV_TYPE_IM, pa, who);
  46     }
  47
  48     return conv;
  49 }
  50
  51
  52 static void
  53 thrasher_write_conv(PurpleConversation *conv,
  54                     const char *who,
  55                     const char *alias,
  56                     const char *message,
  57                     PurpleMessageFlags flags,
  58                     time_t mtime) {
  59     PurpleAccount *account;
  60     account = purple_conversation_get_account(conv);
  61
  62     /* libpurple throws write_conv on every recv and send */
  63     if (! (flags & PURPLE_MESSAGE_RECV))
  64         return;
  65
  66     purple_debug_info("thrasher",
  67                       "Incoming message:\n");
  68
  69     thrasher_wrapper_incoming_msg(thrasher_account_get_jid(account),
  70                                   who,
  71                                   alias,
  72                                   message,
  73                                   flags);
  74
  75 #ifdef TH_DEBUG
  76     purple_debug_info("thrasher",
  77                       "(%s) %s %s: %s\n",
  78                       purple_conversation_get_name(conv),
  79                       purple_utf8_strftime("(%H:%M:%S)", localtime(&mtime)),
  80                       who,
  81                       message);
  82 #endif /* TH_DEBUG */
  83 }
  84
  85 gboolean
  86 thrasher_outgoing_chatstate(PurpleAccount* pa,
  87                             char* recipient,
  88                             PurpleTypingState chatstate) {
  89     g_return_val_if_fail(pa != NULL, FALSE);
  90     g_return_val_if_fail(recipient != NULL, FALSE);
  91
  92     PurpleConversation *conv
  93         = thrasher_find_conversation_with_account(pa, recipient);
  94     g_return_val_if_fail(conv != NULL, FALSE);
  95
  96     PurpleConnection *gc = purple_conversation_get_gc(conv);
  97     if (gc == NULL) {
  98         return FALSE;
  99     }
 100
 101     unsigned int timeout = serv_send_typing(gc, recipient, chatstate);
 102     if (chatstate == PURPLE_TYPING) {
 103         /* TODO: if the prpl requests the typing notification be resent
 104          * after timeout, "normal" UIs can check get_type_again() each
 105          * keystroke. Should Thrasher add a event loop timeout? (and rm it
 106          * if the conv ended or the state was no longer typing...)
 107          */
 108         PurpleConvIm *im = PURPLE_CONV_IM(conv);
 109         purple_conv_im_set_type_again(im, timeout);
 110     }
 111     return TRUE;
 112 }
 113
 114 /* incoming_chatstate_cb(pa, who):
 115  *
 116  * Account "pa" got a typing notification state change from the contact "who".
 117  */
 118 static void
 119 incoming_chatstate_cb(PurpleAccount *pa,
 120                       const char *who) {
 121     PurpleConversation *conv
 122         = purple_find_conversation_with_account(PURPLE_CONV_TYPE_IM,
 123                                                 who,
 124                                                 pa);
 125     if (! conv
 126        || purple_conversation_get_type(conv) != PURPLE_CONV_TYPE_IM) {
 127         return;
 128     }
 129
 130     PurpleConvIm *im = PURPLE_CONV_IM(conv);
 131     if (! im) {
 132         return;
 133     }
 134
 135     thrasher_wrapper_incoming_chatstate(pa,
 136                                         who,
 137                                         purple_conv_im_get_typing_state(im));
 138 }
 139
 140 static gpointer
 141 thrasher_conversations_get_handle() {
 142     static int handle;
 143     return &handle;
 144 }
 145
 146 static PurpleConversationUiOps thrasher_conv_uiops =
 147 {
 148     NULL,                      /* create_conversation  */
 149     thrasher_destroy_conversation, /* destroy_conversation */
 150     NULL,                      /* write_chat           */
 151     NULL,                      /* write_im             */
 152     thrasher_write_conv,       /* write_conv           */
 153     NULL,                      /* chat_add_users       */
 154     NULL,                      /* chat_rename_user     */
 155     NULL,                      /* chat_remove_users    */
 156     NULL,                      /* chat_update_user     */
 157     NULL,                      /* present              */
 158     NULL,                      /* has_focus            */
 159     NULL,                      /* custom_smiley_add    */
 160     NULL,                      /* custom_smiley_write  */
 161     NULL,                      /* custom_smiley_close  */
 162     NULL,                      /* send_confirm         */
 163     NULL,
 164     NULL,
 165     NULL,
 166     NULL
 167 };
 168
 169 void
 170 thrasher_conversations_init(void) {
 171     purple_conversations_set_ui_ops(&thrasher_conv_uiops);
 172
 173     purple_signal_connect(purple_conversations_get_handle(),
 174                           "buddy-typing",
 175                           thrasher_conversations_get_handle(),
 176                           PURPLE_CALLBACK(incoming_chatstate_cb),
 177                           NULL);
 178     purple_signal_connect(purple_conversations_get_handle(),
 179                           "buddy-typing-stopped",
 180                           thrasher_conversations_get_handle(),
 181                           PURPLE_CALLBACK(incoming_chatstate_cb),
 182                           NULL);
 183 }