d8fc5281ce
Keep track of loaded pictures to refresh user pictures more reliably. Create new file tgp-info to contain all code related to user information and icons. Clean up the messy code for fetching user info and user pictures and provide a streamlined function in tg-info.
228 lines
8.5 KiB
C
228 lines
8.5 KiB
C
/*
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This file is part of telegram-purple
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
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Copyright Matthias Jentsch, Ben Wiederhake 2014-2015
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*/
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#include "telegram-purple.h"
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#ifdef HAVE_LIBWEBP
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#include <webp/decode.h>
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#endif
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PurpleAccount *tls_get_pa (struct tgl_state *TLS) {
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return tls_get_data (TLS)->pa;
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}
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PurpleConnection *tls_get_conn (struct tgl_state *TLS) {
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return tls_get_data (TLS)->gc;
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}
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connection_data *tls_get_data (struct tgl_state *TLS) {
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return TLS->ev_base;
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}
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connection_data *gc_get_data (PurpleConnection *gc) {
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return purple_connection_get_protocol_data (gc);
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}
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struct tgl_state *gc_get_tls (PurpleConnection *gc) {
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return ((connection_data *)purple_connection_get_protocol_data (gc))->TLS;
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}
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connection_data *pa_get_data (PurpleAccount *pa) {
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return purple_connection_get_protocol_data (purple_account_get_connection (pa));
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}
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connection_data *pbn_get_data (PurpleBlistNode *node) {
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if (PURPLE_BLIST_NODE_IS_CHAT (node)) {
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return pa_get_data (purple_chat_get_account((PurpleChat *) node));
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}
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if (PURPLE_BLIST_NODE_IS_BUDDY (node)) {
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return pa_get_data (purple_buddy_get_account((PurpleBuddy *) node));
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}
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return NULL;
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}
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int p2tgl_status_is_present (PurpleStatus *status) {
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const char *name = purple_status_get_id (status);
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return !(strcmp (name, "unavailable") == 0 || strcmp (name, "away") == 0);
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}
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void p2tgl_got_chat_in (struct tgl_state *TLS, tgl_peer_id_t chat, tgl_peer_id_t who, const char *message, int flags,
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time_t when) {
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serv_got_chat_in (tls_get_conn (TLS), tgl_get_peer_id (chat), tgp_blist_lookup_purple_name (TLS, who), flags,
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message, when);
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}
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void p2tgl_got_im_combo (struct tgl_state *TLS, tgl_peer_id_t who, const char *msg, int flags, time_t when) {
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connection_data *conn = TLS->ev_base;
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if (flags & PURPLE_MESSAGE_SYSTEM) {
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tgp_msg_special_out (TLS, msg, who, flags & PURPLE_MESSAGE_NO_LOG);
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return;
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}
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/*
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Outgoing messages are not well supported in different libpurple clients,
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purple_conv_im_write should have the best among different versions. Unfortunately
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this causes buggy formatting in Adium, so we don't use this workaround in that case.
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NOTE: Outgoing messages will not work in Adium <= 1.6.0, there is no way to print outgoing
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messages in those versions at all.
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*/
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#ifndef __ADIUM_
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if (flags & PURPLE_MESSAGE_SEND) {
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PurpleConversation *conv = p2tgl_find_conversation_with_account (TLS, who);
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if (!conv) {
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conv = purple_conversation_new (PURPLE_CONV_TYPE_IM, tls_get_pa (TLS),
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tgp_blist_lookup_purple_name (TLS, who));
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}
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purple_conv_im_write (purple_conversation_get_im_data (conv), tgp_blist_lookup_purple_name (TLS, who),
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msg, PURPLE_MESSAGE_SEND, when);
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return;
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}
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#endif
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serv_got_im (conn->gc, tgp_blist_lookup_purple_name (TLS, who), msg, flags, when);
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}
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PurpleConversation *p2tgl_find_conversation_with_account (struct tgl_state *TLS, tgl_peer_id_t peer) {
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int type = PURPLE_CONV_TYPE_IM;
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if (tgl_get_peer_type (peer) == TGL_PEER_CHAT) {
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type = PURPLE_CONV_TYPE_CHAT;
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}
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PurpleConversation *conv = purple_find_conversation_with_account (type, tgp_blist_lookup_purple_name (TLS, peer),
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tls_get_pa (TLS));
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return conv;
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}
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void p2tgl_prpl_got_user_status (struct tgl_state *TLS, tgl_peer_id_t user, struct tgl_user_status *status) {
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connection_data *data = TLS->ev_base;
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if (status->online == 1) {
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purple_prpl_got_user_status (tls_get_pa (TLS), tgp_blist_lookup_purple_name (TLS, user), "available", NULL);
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} else {
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debug ("%d: when=%d", tgl_get_peer_id (user), status->when);
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if (tgp_time_n_days_ago (
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purple_account_get_int (data->pa, "inactive-days-offline", TGP_DEFAULT_INACTIVE_DAYS_OFFLINE)) > status->when && status->when) {
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debug ("offline");
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purple_prpl_got_user_status (tls_get_pa (TLS), tgp_blist_lookup_purple_name (TLS, user), "offline", NULL);
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} else {
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debug ("mobile");
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purple_prpl_got_user_status (tls_get_pa (TLS), tgp_blist_lookup_purple_name (TLS, user), "mobile", NULL);
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}
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}
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}
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void p2tgl_conv_add_user (struct tgl_state *TLS, PurpleConversation *conv, int user, char *message, int flags,
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int new_arrival) {
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const char *name = tgp_blist_lookup_purple_name (TLS, TGL_MK_USER (user));
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g_return_if_fail (name);
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purple_conv_chat_add_user (purple_conversation_get_chat_data (conv), name, message, flags, new_arrival);
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}
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int p2tgl_imgstore_add_with_id (const char* filename) {
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gchar *data = NULL;
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size_t len;
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GError *err = NULL;
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g_file_get_contents (filename, &data, &len, &err);
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int id = purple_imgstore_add_with_id (data, len, NULL);
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return id;
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}
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int p2tgl_imgstore_add_with_id_raw (const unsigned char *raw_bgra, unsigned width, unsigned height) {
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// Heavily inspired by: https://github.com/EionRobb/pidgin-opensteamworks/blob/master/libsteamworks.cpp#L113
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const unsigned char tga_header[] = {
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// No ID; no color map; uncompressed true color
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0,0,2,
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// No color map metadata
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0,0,0,0,0,
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// No offsets
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0,0,0,0,
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// Dimensions
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width&0xFF,(width/256)&0xFF,height&0xFF,(height/256)&0xFF,
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// 32 bits per pixel
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32,
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// "Origin in upper left-hand corner"
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32};
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// Will be owned by libpurple imgstore, which uses glib functions for managing memory
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const unsigned tga_len = sizeof(tga_header) + width * height * 4;
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unsigned char *tga = g_malloc(tga_len);
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memcpy(tga, tga_header, sizeof(tga_header));
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// From the documentation: "The 4 byte entry contains 1 byte each of blue, green, red, and attribute."
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memcpy(tga + sizeof(tga_header), raw_bgra, width * height * 4);
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return purple_imgstore_add_with_id (tga, tga_len, NULL);
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}
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#ifdef HAVE_LIBWEBP
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static const int MAX_W = 256;
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static const int MAX_H = 256;
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int p2tgl_imgstore_add_with_id_webp (const char *filename) {
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const uint8_t *data = NULL;
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size_t len;
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GError *err = NULL;
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g_file_get_contents (filename, (gchar **) &data, &len, &err);
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if (err) { warning ("cannot open file %s: %s.", filename, err->message); return 0; }
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// downscale oversized sticker images displayed in chat, otherwise it would harm readabillity
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WebPDecoderConfig config;
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WebPInitDecoderConfig (&config);
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if (! WebPGetFeatures(data, len, &config.input) == VP8_STATUS_OK) {
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warning ("error reading webp bitstream: %s", filename);
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g_free ((gchar *)data);
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return 0;
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}
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config.options.use_scaling = 0;
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config.options.scaled_width = config.input.width;
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config.options.scaled_height = config.input.height;
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if (config.options.scaled_width > MAX_W || config.options.scaled_height > MAX_H) {
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const float max_scale_width = MAX_W * 1.0f / config.options.scaled_width;
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const float max_scale_height = MAX_H * 1.0f / config.options.scaled_height;
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if (max_scale_width < max_scale_height) {
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// => the width is most limiting
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config.options.scaled_width = MAX_W;
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// Can't use ' *= ', because we need to do the multiplication in float
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// (or double), and only THEN cast back to int.
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config.options.scaled_height = (int) (config.options.scaled_height * max_scale_width);
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} else {
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// => the height is most limiting
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config.options.scaled_height = MAX_H;
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// Can't use ' *= ', because we need to do the multiplication in float
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// (or double), and only THEN cast back to int.
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config.options.scaled_width = (int) (config.options.scaled_width * max_scale_height);
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}
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config.options.use_scaling = 1;
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}
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config.output.colorspace = MODE_BGRA;
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if (! WebPDecode(data, len, &config) == VP8_STATUS_OK) {
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warning ("error decoding webp: %s", filename);
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g_free ((gchar *)data);
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return 0;
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}
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g_free ((gchar *)data);
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const uint8_t *decoded = config.output.u.RGBA.rgba;
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// convert and add
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int imgStoreId = p2tgl_imgstore_add_with_id_raw(decoded, config.options.scaled_width, config.options.scaled_height);
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WebPFreeDecBuffer (&config.output);
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return imgStoreId;
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}
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#endif
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