xep136_plugin.c

/* 
 * filename:	xep136_plugin.c 
 */

#define PURPLE_PLUGINS

#define PREF_BASE	"/plugins/gtk/xep136"
#define PREF_TOOL	"/plugins/gtk/xep136/toolbar"
#define PREF_EDIT	"/plugins/gtk/xep136/editbox"

#include "xep136_plugin.h"

PurplePlugin *xep136 = NULL; 	/* plugin id pointer */
GList *list = NULL;		/* list of pointers to WindowStruct items */

/* xmlns for ejabberd and prosody to xml messages */
char *xmlns_ejabberd = "http://www.xmpp.org/extensions/xep-0136.html#ns";
char *xmlns_prosody = "urn:xmpp:archive";

/*------------------------------------------------------------
 * plugin load and uload related functions
 *------------------------------------------------------------*/

/* check if conversation is jabber */
static gboolean
if_jabber(PidginConversation *gtkconv)
{
    PurpleConversation *conv = gtkconv->active_conv;
    PurpleAccount *acc = conv->account;
    char *jabber_id = "prpl-jabber";

    if(!acc) {
	purple_debug_misc(PLUGIN_ID, "prpl-jabber check:: ERROR acc\n");
	return FALSE;
    }

    // test jabber conversation
    if (strcmp(jabber_id, purple_account_get_protocol_id(acc)) == 0) {
	return TRUE;
    } else {
	return FALSE;
    }
}

static void
destroy_windows(WindowStruct *curr)
{
    if (curr->coll)
	g_list_free(curr->coll);

    g_free(curr->id);

    gtk_widget_destroy(curr->window);
}

static void
destroy_history_window(WindowStruct *curr, PidginConversation *gtkconv)
{
    if (curr->gtkconv == gtkconv) {
	destroy_windows(curr);
    }
}

static void
conv_deleted(PurpleConversation *conv, gpointer null)
{
    PidginConversation *gtkconv = NULL;

    if (!conv)
	purple_debug_error(PLUGIN_ID, "ERROR: 'conv_deleted': !conv\n");

    gtkconv = PIDGIN_CONVERSATION(conv);
    if (!gtkconv)
	purple_debug_error(PLUGIN_ID, "ERROR: 'conv_deleted': !gtkconv\n");

    g_return_if_fail(gtkconv != NULL);

    if (!list) {
	purple_debug_misc(PLUGIN_ID, "conv_deleted :: empty list\n");
	return;
    }

    if (!if_jabber(gtkconv))
	return;

    g_list_foreach(list, (GFunc) destroy_history_window, (gpointer) gtkconv);
}

static void
detach_from_gtkconv(PidginConversation *gtkconv, gpointer null)
{
    GtkWidget *toolbar_box, *hbox;

    if (!if_jabber(gtkconv))
	return;

	/* detach from toolbar */
	toolbar_box = gtkconv->toolbar;

    hbox = g_object_get_data(G_OBJECT(toolbar_box), "xep136_hbox");

    if (hbox)
	gtk_container_remove(GTK_CONTAINER(toolbar_box), hbox);
    
    gtk_widget_queue_draw(pidgin_conv_get_window(gtkconv)->window);

	/* detach from editbox */
    toolbar_box = gtkconv->lower_hbox;

    hbox = g_object_get_data(G_OBJECT(toolbar_box), "xep136_hbox");

    if (hbox)
	gtk_container_remove(GTK_CONTAINER(toolbar_box), hbox);
    
    gtk_widget_queue_draw(pidgin_conv_get_window(gtkconv)->window);
}

static void
attach_to_gtkconv(PidginConversation *gtkconv, gpointer null)
{
    GtkWidget *hbox, *button;
	//GtkWidget *menu_item;

    if (!if_jabber(gtkconv))
	return;

	/* attach to toolbar */
	if (purple_prefs_get_bool(PREF_TOOL)) {

		button = gtk_button_new_with_label("History");

		g_signal_connect(G_OBJECT(button), "clicked",
			G_CALLBACK(history_button_clicked), (gpointer) gtkconv);

		hbox = gtk_hbox_new(FALSE, 5);
		gtk_box_pack_start(GTK_BOX(hbox), button, FALSE, FALSE, 0);
		g_object_set_data(G_OBJECT(gtkconv->toolbar), "xep136_hbox", hbox);

		gtk_box_pack_end(GTK_BOX(gtkconv->toolbar), hbox, FALSE, FALSE, 0);

		gtk_widget_show_all(hbox);
		gtk_widget_queue_draw(pidgin_conv_get_window(gtkconv)->window);
	}

	/* attach to editbox */
	if (purple_prefs_get_bool(PREF_EDIT)) {

		button = gtk_button_new_with_label("History");

		g_signal_connect(G_OBJECT(button), "clicked",
			G_CALLBACK(history_button_clicked), (gpointer) gtkconv);

		hbox = gtk_hbox_new(FALSE, 5);
		gtk_box_pack_start(GTK_BOX(hbox), button, FALSE, FALSE, 0);
		g_object_set_data(G_OBJECT(gtkconv->lower_hbox), "xep136_hbox", hbox);

		gtk_box_pack_end(GTK_BOX(gtkconv->lower_hbox), hbox, FALSE, FALSE, 0);

		gtk_widget_show_all(hbox);
		gtk_widget_queue_draw(pidgin_conv_get_window(gtkconv)->window);
	}
}

static void
detach_from_pidgin_window(PidginWindow *win, gpointer null)
{
    g_list_foreach(pidgin_conv_window_get_gtkconvs(win), (GFunc) detach_from_gtkconv, NULL);
}

static void
attach_to_pidgin_window(PidginWindow *win, gpointer null)
{
    g_list_foreach(pidgin_conv_window_get_gtkconvs(win), (GFunc) attach_to_gtkconv, NULL);
}

static void
detach_from_all_windows()
{
    g_list_foreach(pidgin_conv_windows_get_list(), (GFunc) detach_from_pidgin_window, NULL);
}

static void
attach_to_all_windows()
{
    g_list_foreach(pidgin_conv_windows_get_list(), (GFunc) attach_to_pidgin_window, NULL);
}

static void
conv_created(PurpleConversation *conv, gpointer null)
{
    PidginConversation *gtkconv = PIDGIN_CONVERSATION(conv);

    g_return_if_fail(gtkconv != NULL);

    attach_to_gtkconv(gtkconv, NULL);
}

/*------------------------------------------------------------
 * plugin load, unload, PurplePluginInfo, init_plugin
 *------------------------------------------------------------*/

static gboolean
plugin_load(PurplePlugin *plugin)
{
    PurplePlugin *jabber;

    xep136 = plugin;
    
    attach_to_all_windows();

    purple_signal_connect(purple_conversations_get_handle(), "conversation-created", plugin, 
	    PURPLE_CALLBACK(conv_created), NULL);

    purple_signal_connect(purple_conversations_get_handle(), "deleting-conversation", plugin, 
	    PURPLE_CALLBACK(conv_deleted), NULL);

    jabber = purple_find_prpl("prpl-jabber");
    if (!jabber)
	    return FALSE;

    purple_signal_connect(jabber, "jabber-receiving-xmlnode", xep136,
	    PURPLE_CALLBACK(xmlnode_received), NULL);

    return TRUE;
}

static gboolean
plugin_unload(PurplePlugin *plugin)
{
    g_list_foreach(list, (GFunc) destroy_windows, NULL);

    g_list_free(list);
    list = NULL;

    detach_from_all_windows();

    return TRUE;
}

static void
toolbar_changed(GtkWidget *widget, gpointer data)
{
	gboolean on = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget));

	purple_prefs_set_bool(PREF_TOOL, on);
}

static void
editbox_changed(GtkWidget *widget, gpointer data)
{
	gboolean on = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget));

	purple_prefs_set_bool(PREF_EDIT, on);
}

static GtkWidget *
get_config_frame(PurplePlugin *plugin)
{
	GtkWidget *ret, *frame, *vbox;
	GtkWidget *toolbar, *editbox;

	ret = gtk_vbox_new(FALSE, 18);
	gtk_container_set_border_width (GTK_CONTAINER (ret), 12);

	//frame = pidgin_make_frame(ret, _("History button position"));
	frame = pidgin_make_frame(ret, "History button position");
	vbox = gtk_vbox_new(FALSE, 5);
	gtk_container_add(GTK_CONTAINER(frame), vbox);

	/* history button position: toolbar*/
	toolbar = gtk_check_button_new_with_mnemonic("_Toolbar");
	gtk_box_pack_start(GTK_BOX(vbox), toolbar, FALSE, FALSE, 0);
	gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(toolbar),
	                             purple_prefs_get_bool(PREF_TOOL));
	g_signal_connect(G_OBJECT(toolbar), "toggled",
	                 G_CALLBACK(toolbar_changed), NULL);

	/* history button position: editbox */
	editbox = gtk_check_button_new_with_mnemonic("_Editbox");
	gtk_box_pack_start(GTK_BOX(vbox), editbox, FALSE, FALSE, 0);
	gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(editbox),
	                             purple_prefs_get_bool(PREF_EDIT));
	g_signal_connect(G_OBJECT(editbox), "toggled",
	                 G_CALLBACK(editbox_changed), NULL);

	gtk_widget_show_all(ret);
	return ret;
}



static PidginPluginUiInfo ui_info =
{
	get_config_frame,
	0, /* page_num (Reserved) */

	/* padding */
	NULL,
	NULL,
	NULL,
	NULL
};

static PurplePluginInfo info = {
    PURPLE_PLUGIN_MAGIC,
    PURPLE_MAJOR_VERSION,
    PURPLE_MINOR_VERSION,
    PURPLE_PLUGIN_STANDARD,
    PIDGIN_PLUGIN_TYPE,
    0,
    NULL,
    PURPLE_PRIORITY_DEFAULT,

    PLUGIN_ID,
    "XEP-0136 plugin",
    "0.7",

    "XEP-0136 plugin",
    "Server Message Archiving",
    "Daniel Kraic <danielkraic@gmail.com>",
    "https://github.com/danielkraic/Pidgin-XEP-0136-plugin",

    plugin_load,	/* load */
    plugin_unload,	/* unload */
    NULL,			/* destroy */

	&ui_info,		/* ui_info */
    NULL,			/* extra_info */
	NULL, 		  	/* prefs_into */
    NULL, 			/* plugin_actions */

	/* padding */
    NULL,
    NULL,
    NULL,
    NULL
};

static void
init_plugin(PurplePlugin *plugin)
{
	purple_prefs_add_none(PREF_BASE);
	purple_prefs_add_bool(PREF_TOOL, TRUE);
	purple_prefs_add_bool(PREF_EDIT, FALSE);
}

PURPLE_INIT_PLUGIN(xep136_plugin, init_plugin, info)