HGKeeper

/**

* purple

* Purple is the legal property of its developers, whose names are too numerous

* to list here. Please refer to the COPYRIGHT file distributed with this

* source distribution.

* This program 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 2 of the License, or

* (at your option) any later version.

* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA

#include "internal.h"

#include <purple.h>

#define JOINPART_PLUGIN_ID "core-rlaager-joinpart"

/* Preferences */

/* The number of minutes before a person is considered

* to have stopped being part of active conversation. */

#define DELAY_PREF "/plugins/core/joinpart/delay"

#define DELAY_DEFAULT 10

/* The number of people that must be in a room for this

* plugin to have any effect */

#define THRESHOLD_PREF "/plugins/core/joinpart/threshold"

#define THRESHOLD_DEFAULT 20

/* Hide buddies */

#define HIDE_BUDDIES_PREF "/plugins/core/joinpart/hide_buddies"

#define HIDE_BUDDIES_DEFAULT FALSE

struct joinpart_key

{

PurpleConversation *conv;

char *user;

};

static guint joinpart_key_hash(const struct joinpart_key *key)

{

g_return_val_if_fail(key != NULL, 0);

return g_direct_hash(key->conv) + g_str_hash(key->user);

}

static gboolean joinpart_key_equal(const struct joinpart_key *a, const struct joinpart_key *b)

{

if (a == NULL)

return (b == NULL);

else if (b == NULL)

return FALSE;

return (a->conv == b->conv) && purple_strequal(a->user, b->user);

}

static void joinpart_key_destroy(struct joinpart_key *key)

{

g_return_if_fail(key != NULL);

g_free(key->user);

g_free(key);

}

static gboolean should_hide_notice(PurpleConversation *conv, const char *name,

GHashTable *users)

{

PurpleChatConversation *chat;

guint threshold;

struct joinpart_key key;

time_t *last_said;

g_return_val_if_fail(conv != NULL, FALSE);

g_return_val_if_fail(PURPLE_IS_CHAT_CONVERSATION(conv), FALSE);

/* If the room is small, don't bother. */

chat = PURPLE_CHAT_CONVERSATION(conv);

threshold = purple_prefs_get_int(THRESHOLD_PREF);

if (purple_chat_conversation_get_users_count(chat) < threshold)

return FALSE;

if (!purple_prefs_get_bool(HIDE_BUDDIES_PREF) &&

purple_blist_find_buddy(purple_conversation_get_account(conv), name))

return FALSE;

/* Only show the notice if the user has spoken recently. */

key.conv = conv;

key.user = (gchar *)name;

last_said = g_hash_table_lookup(users, &key);

if (last_said != NULL)

{

int delay = purple_prefs_get_int(DELAY_PREF);

if (delay > 0 && (*last_said + (delay * 60)) >= time(NULL))

return FALSE;

}

return TRUE;

}

static gboolean chat_user_leaving_cb(PurpleConversation *conv, const char *name,

const char *reason, GHashTable *users)

{

return should_hide_notice(conv, name, users);

}

static gboolean chat_user_joining_cb(PurpleConversation *conv, const char *name,

PurpleChatUserFlags flags,

GHashTable *users)

{

return should_hide_notice(conv, name, users);

}

static void received_chat_msg_cb(PurpleAccount *account, char *sender,

char *message, PurpleConversation *conv,

PurpleMessageFlags flags, GHashTable *users)

{

struct joinpart_key key;

time_t *last_said;

/* Most of the time, we'll already have tracked the user,

* so we avoid memory allocation here. */

key.conv = conv;

key.user = sender;

last_said = g_hash_table_lookup(users, &key);

if (last_said != NULL)

{

/* They just said something, so update the time. */

time(last_said);

}

else

{

struct joinpart_key *key2;

key2 = g_new(struct joinpart_key, 1);

key2->conv = conv;

key2->user = g_strdup(sender);

last_said = g_new(time_t, 1);

time(last_said);

g_hash_table_insert(users, key2, last_said);

}

static gboolean check_expire_time(struct joinpart_key *key,

time_t *last_said, time_t *limit)

{

purple_debug_info("joinpart", "Removing key for %s\n", key->user);

return (*last_said < *limit);

}

static gboolean clean_users_hash(GHashTable *users)

{

int delay = purple_prefs_get_int(DELAY_PREF);

time_t limit = time(NULL) - (60 * delay);

g_hash_table_foreach_remove(users, (GHRFunc)check_expire_time, &limit);

return TRUE;

}

static PurplePluginPrefFrame *

get_plugin_pref_frame(PurplePlugin *plugin)

{

PurplePluginPrefFrame *frame;

PurplePluginPref *ppref;

g_return_val_if_fail(plugin != NULL, FALSE);

frame = purple_plugin_pref_frame_new();

ppref = purple_plugin_pref_new_with_label(_("Hide Joins/Parts"));

purple_plugin_pref_frame_add(frame, ppref);

ppref = purple_plugin_pref_new_with_name_and_label(THRESHOLD_PREF,

/* Translators: Followed by an input request a number of people */

_("For rooms with more than this many people"));

purple_plugin_pref_set_bounds(ppref, 0, 1000);

purple_plugin_pref_frame_add(frame, ppref);

ppref = purple_plugin_pref_new_with_name_and_label(DELAY_PREF,

_("If user has not spoken in this many minutes"));

purple_plugin_pref_set_bounds(ppref, 0, 8 * 60); /* 8 Hours */

purple_plugin_pref_frame_add(frame, ppref);

ppref = purple_plugin_pref_new_with_name_and_label(HIDE_BUDDIES_PREF,

_("Apply hiding rules to buddies"));

purple_plugin_pref_frame_add(frame, ppref);

return frame;

}

static PurplePluginInfo *

plugin_query(GError **error)

{

const gchar * const authors[] = {

"Richard Laager <rlaager@pidgin.im>",

NULL

};

return purple_plugin_info_new(

"id", JOINPART_PLUGIN_ID,

"name", N_("Join/Part Hiding"),

"version", DISPLAY_VERSION,

"category", N_("User interface"),

"summary", N_("Hides extraneous join/part messages."),

"description", N_("This plugin hides join/part messages in "

"large rooms, except for those users actively "

"taking part in a conversation."),

"authors", authors,

"website", PURPLE_WEBSITE,

"abi-version", PURPLE_ABI_VERSION,

"pref-frame-cb", get_plugin_pref_frame,

NULL

);

}

static gboolean plugin_load(PurplePlugin *plugin, GError **error)

{

void *conv_handle;

GHashTable *users;

guint id;

purple_prefs_add_none("/plugins/core/joinpart");

purple_prefs_add_int(DELAY_PREF, DELAY_DEFAULT);

purple_prefs_add_int(THRESHOLD_PREF, THRESHOLD_DEFAULT);

purple_prefs_add_bool(HIDE_BUDDIES_PREF, HIDE_BUDDIES_DEFAULT);

users = g_hash_table_new_full((GHashFunc)joinpart_key_hash,

(GEqualFunc)joinpart_key_equal,

(GDestroyNotify)joinpart_key_destroy,

g_free);

conv_handle = purple_conversations_get_handle();

purple_signal_connect(conv_handle, "chat-user-joining", plugin,

PURPLE_CALLBACK(chat_user_joining_cb), users);

purple_signal_connect(conv_handle, "chat-user-leaving", plugin,

PURPLE_CALLBACK(chat_user_leaving_cb), users);

purple_signal_connect(conv_handle, "received-chat-msg", plugin,

PURPLE_CALLBACK(received_chat_msg_cb), users);

/* Cleanup every 5 minutes */

id = g_timeout_add_seconds(60 * 5, (GSourceFunc)clean_users_hash, users);

g_object_set_data(G_OBJECT(plugin), "users", users);

g_object_set_data(G_OBJECT(plugin), "id", GUINT_TO_POINTER(id));

return TRUE;

}

static gboolean plugin_unload(PurplePlugin *plugin, GError **error)

{

/* Destroy the hash table. The core plugin code will

* disconnect the signals, and since Purple is single-threaded,

* we don't have to worry one will be called after this. */

g_hash_table_destroy((GHashTable *)g_object_get_data(G_OBJECT(plugin), "users"));

g_source_remove(GPOINTER_TO_UINT(g_object_get_data(G_OBJECT(plugin), "id")));

return TRUE;

}

PURPLE_PLUGIN_INIT(joinpart, plugin_query, plugin_load, plugin_unload);

pidgin/pidgin