/* 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 "e2ee.h"

#include "debug.h"

struct _PurpleE2eeState

{

PurpleE2eeProvider *provider;

gchar *name;

gchar *stock_icon;

guint ref_count;

};

struct _PurpleE2eeProvider

{

gchar *name;

PurpleE2eeConvMenuCallback conv_menu_cb;

};

static PurpleE2eeProvider *main_provider = NULL;

/*** Encryption states for conversations. *************************************/

PurpleE2eeState *

purple_e2ee_state_new(PurpleE2eeProvider *provider)

{

PurpleE2eeState *state;

g_return_val_if_fail(provider != NULL, NULL);

state = g_new0(PurpleE2eeState, 1);

state->provider = provider;

state->ref_count = 1;

return state;

}

void

purple_e2ee_state_ref(PurpleE2eeState *state)

{

g_return_if_fail(state != NULL);

state->ref_count++;

}

PurpleE2eeState *

purple_e2ee_state_unref(PurpleE2eeState *state)

{

if (state == NULL)

return NULL;

state->ref_count--;

if (state->ref_count > 0)

return state;

g_free(state->name);

g_free(state->stock_icon);

g_free(state);

return NULL;

}

PurpleE2eeProvider *

purple_e2ee_state_get_provider(PurpleE2eeState *state)

{

g_return_val_if_fail(state != NULL, NULL);

return state->provider;

}

void

purple_e2ee_state_set_name(PurpleE2eeState *state, const gchar *name)

{

g_return_if_fail(state != NULL);

g_return_if_fail(name != NULL);

g_free(state->name);

state->name = g_strdup(name);

}

const gchar *

purple_e2ee_state_get_name(PurpleE2eeState *state)

{

g_return_val_if_fail(state != NULL, NULL);

return state->name;

}

void

purple_e2ee_state_set_stock_icon(PurpleE2eeState *state,

const gchar *stock_icon)

{

g_return_if_fail(state != NULL);

g_return_if_fail(stock_icon != NULL);

g_free(state->stock_icon);

state->stock_icon = g_strdup(stock_icon);

}

const gchar *

purple_e2ee_state_get_stock_icon(PurpleE2eeState *state)

{

g_return_val_if_fail(state, NULL);

return state->stock_icon;

}

/*** Encryption providers API. ************************************************/

PurpleE2eeProvider *

purple_e2ee_provider_new(void)

{

PurpleE2eeProvider *provider;

provider = g_new0(PurpleE2eeProvider, 1);

return provider;

}

void

purple_e2ee_provider_free(PurpleE2eeProvider *provider)

{

g_return_if_fail(provider != NULL);

if (provider == main_provider) {

purple_debug_error("e2ee", "This provider is still registered");

return;

}

g_free(provider->name);

g_free(provider);

}

gboolean

purple_e2ee_provider_register(PurpleE2eeProvider *provider)

{

g_return_val_if_fail(provider != NULL, FALSE);

if (main_provider != NULL)

return FALSE;

main_provider = provider;

return TRUE;

}

void

purple_e2ee_provider_unregister(PurpleE2eeProvider *provider)

{

GList *it, *clear_states = NULL;

g_return_if_fail(provider != NULL);

if (main_provider != provider) {

purple_debug_warning("e2ee", "This provider is not registered");

return;

}

for (it = purple_conversations_get_all(); it; it = g_list_next(it)) {

PurpleConversation *conv = it->data;

PurpleE2eeState *state;

state = purple_conversation_get_e2ee_state(conv);

if (!state)

continue;

if (provider == purple_e2ee_state_get_provider(state))

clear_states = g_list_prepend(clear_states, conv);

}

main_provider = NULL;

g_list_foreach(clear_states, (GFunc)purple_conversation_set_e2ee_state, NULL);

g_list_free(clear_states);

}

PurpleE2eeProvider *

purple_e2ee_provider_get_main(void)

{

return main_provider;

}

void

purple_e2ee_provider_set_name(PurpleE2eeProvider *provider, const gchar *name)

{

g_return_if_fail(provider != NULL);

g_return_if_fail(name != NULL);

g_free(provider->name);

provider->name = g_strdup(name);

}

const gchar *

purple_e2ee_provider_get_name(PurpleE2eeProvider *provider)

{

g_return_val_if_fail(provider != NULL, NULL);

return provider->name;

}

void

purple_e2ee_provider_set_conv_menu_cb(PurpleE2eeProvider *provider,

PurpleE2eeConvMenuCallback conv_menu_cb)

{

g_return_if_fail(provider != NULL);

provider->conv_menu_cb = conv_menu_cb;

}

PurpleE2eeConvMenuCallback

purple_e2ee_provider_get_conv_menu_cb(PurpleE2eeProvider *provider)

{

g_return_val_if_fail(provider != NULL, NULL);

return provider->conv_menu_cb;

}

GList *

purple_e2ee_provider_get_conv_menu_actions(PurpleE2eeProvider *provider,

PurpleConversation *conv)

{

PurpleE2eeConvMenuCallback cb;

g_return_val_if_fail(provider, NULL);

g_return_val_if_fail(conv, NULL);

cb = purple_e2ee_provider_get_conv_menu_cb(provider);

if (cb == NULL)

return NULL;

return cb(conv);

}