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+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/*
+ * Copyright (C) 2007 Raphaël Slinckx <raphael@slinckx.net>
+ * Copyright (C) 2007 Collabora Ltd.
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Authors: Raphaël Slinckx <raphael@slinckx.net>
+ * Xavier Claessens <xclaesse@gmail.com>
+ */
+
+#include "config.h"
+
+#include <string.h>
+
+#include <glib/gi18n.h>
+#include <gtk/gtk.h>
+#include <bonobo/bonobo-ui-component.h>
+#include <panel-2.0/panel-applet-gconf.h>
+#include <gconf/gconf-client.h>
+#include <libgnomevfs/gnome-vfs-utils.h>
+
+#include <libmissioncontrol/mission-control.h>
+#include <libmissioncontrol/mc-account.h>
+
+#include <libempathy/empathy-contact-factory.h>
+#include <libempathy/empathy-contact.h>
+#include <libempathy/empathy-contact-list.h>
+#include <libempathy/empathy-contact-manager.h>
+#include <libempathy/empathy-utils.h>
+
+#include <libempathy-gtk/empathy-contact-list-view.h>
+#include <libempathy-gtk/empathy-contact-list-store.h>
+#include <libempathy-gtk/empathy-contact-dialogs.h>
+#include <libempathy-gtk/empathy-ui-utils.h>
+
+#include "megaphone-applet.h"
+
+#define DEBUG_FLAG EMPATHY_DEBUG_OTHER
+#include <libempathy/empathy-debug.h>
+
+#define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, MegaphoneApplet)
+typedef struct {
+ EmpathyContactFactory *factory;
+ GtkWidget *image;
+ gint image_size;
+ EmpathyContact *contact;
+ GConfClient *gconf;
+ guint gconf_cnxn;
+} MegaphoneAppletPriv;
+
+static void megaphone_applet_finalize (GObject *object);
+static void megaphone_applet_size_allocate_cb (GtkWidget *widget,
+ GtkAllocation *allocation,
+ MegaphoneApplet *applet);
+static gboolean megaphone_applet_button_press_event_cb (GtkWidget *widget,
+ GdkEventButton *event,
+ MegaphoneApplet *applet);
+static void megaphone_applet_information_cb (BonoboUIComponent *uic,
+ MegaphoneApplet *applet,
+ const gchar *verb_name);
+static void megaphone_applet_preferences_cb (BonoboUIComponent *uic,
+ MegaphoneApplet *applet,
+ const gchar *verb_name);
+static void megaphone_applet_about_cb (BonoboUIComponent *uic,
+ MegaphoneApplet *applet,
+ const gchar *verb_name);
+
+G_DEFINE_TYPE(MegaphoneApplet, megaphone_applet, PANEL_TYPE_APPLET)
+
+static const BonoboUIVerb megaphone_applet_menu_verbs [] = {
+ BONOBO_UI_UNSAFE_VERB ("information", megaphone_applet_information_cb),
+ BONOBO_UI_UNSAFE_VERB ("preferences", megaphone_applet_preferences_cb),
+ BONOBO_UI_UNSAFE_VERB ("about", megaphone_applet_about_cb),
+ BONOBO_UI_VERB_END
+};
+
+static const char* authors[] = {
+ "Raphaël Slinckx <raphael@slinckx.net>",
+ "Xavier Claessens <xclaesse@gmail.com>",
+ NULL
+};
+
+static void
+megaphone_applet_class_init (MegaphoneAppletClass *class)
+{
+ GObjectClass *object_class;
+
+ object_class = G_OBJECT_CLASS (class);
+
+ object_class->finalize = megaphone_applet_finalize;
+
+ g_type_class_add_private (object_class, sizeof (MegaphoneAppletPriv));
+}
+
+static void
+megaphone_applet_init (MegaphoneApplet *applet)
+{
+ MegaphoneAppletPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (applet,
+ MEGAPHONE_TYPE_APPLET, MegaphoneAppletPriv);
+
+ applet->priv = priv;
+ priv->factory = empathy_contact_factory_new ();
+ priv->gconf = gconf_client_get_default ();
+
+ /* Image holds the contact avatar */
+ priv->image = gtk_image_new ();
+ gtk_widget_show (priv->image);
+ gtk_container_add (GTK_CONTAINER (applet), priv->image);
+
+ /* We want transparency */
+ panel_applet_set_flags (PANEL_APPLET (applet), PANEL_APPLET_EXPAND_MINOR);
+ panel_applet_set_background_widget (PANEL_APPLET (applet), GTK_WIDGET (applet));
+
+ /* Listen for clicks on the applet to dispatch a channel */
+ g_signal_connect (applet, "button-press-event",
+ G_CALLBACK (megaphone_applet_button_press_event_cb),
+ applet);
+
+ /* Allow to resize our avatar when needed */
+ g_signal_connect (applet, "size-allocate",
+ G_CALLBACK (megaphone_applet_size_allocate_cb),
+ applet);
+}
+
+static void
+megaphone_applet_finalize (GObject *object)
+{
+ MegaphoneAppletPriv *priv = GET_PRIV (object);
+
+ if (priv->contact) {
+ g_object_unref (priv->contact);
+ }
+ g_object_unref (priv->factory);
+
+ if (priv->gconf_cnxn != 0) {
+ gconf_client_notify_remove (priv->gconf, priv->gconf_cnxn);
+ }
+ g_object_unref (priv->gconf);
+
+ G_OBJECT_CLASS (megaphone_applet_parent_class)->finalize (object);
+}
+
+static void
+megaphone_applet_update_icon (MegaphoneApplet *applet)
+{
+ MegaphoneAppletPriv *priv = GET_PRIV (applet);
+ EmpathyAvatar *avatar = NULL;
+ GdkPixbuf *avatar_pixbuf;
+
+ if (priv->contact) {
+ avatar = empathy_contact_get_avatar (priv->contact);
+ } else {
+ gtk_image_set_from_icon_name (GTK_IMAGE (priv->image),
+ GTK_STOCK_PREFERENCES,
+ GTK_ICON_SIZE_MENU);
+ return;
+ }
+
+ if (!avatar) {
+ gchar *avatar_token;
+
+ /* Try to take avatar from cache */
+ avatar_token = panel_applet_gconf_get_string (PANEL_APPLET (applet),
+ "avatar_token",
+ NULL);
+ if (!G_STR_EMPTY (avatar_token)) {
+ avatar = empathy_avatar_new_from_cache (avatar_token);
+ }
+ g_free (avatar_token);
+ } else {
+ empathy_avatar_ref (avatar);
+ }
+
+ if (avatar) {
+ avatar_pixbuf = empathy_pixbuf_from_avatar_scaled (avatar,
+ priv->image_size - 2,
+ priv->image_size - 2);
+ empathy_avatar_unref (avatar);
+ } else {
+ GtkIconTheme *icon_theme;
+
+ /* Load the default icon when no avatar is found */
+ icon_theme = gtk_icon_theme_get_default ();
+ avatar_pixbuf = gtk_icon_theme_load_icon (icon_theme,
+ "stock_contact",
+ priv->image_size - 2,
+ 0, NULL);
+ }
+
+ /* Now some desaturation if the contact is offline */
+ if (!empathy_contact_is_online (priv->contact)) {
+ GdkPixbuf *offline_avatar;
+
+ offline_avatar = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE,
+ 8,
+ gdk_pixbuf_get_height (avatar_pixbuf),
+ gdk_pixbuf_get_width (avatar_pixbuf));
+ gdk_pixbuf_saturate_and_pixelate (avatar_pixbuf,
+ offline_avatar,
+ 0.0,
+ TRUE);
+ g_object_unref (avatar_pixbuf);
+ avatar_pixbuf = offline_avatar;
+ }
+
+ gtk_image_set_from_pixbuf (GTK_IMAGE (priv->image), avatar_pixbuf);
+ g_object_unref (avatar_pixbuf);
+}
+
+static void
+megaphone_applet_update_contact (MegaphoneApplet *applet)
+{
+ MegaphoneAppletPriv *priv = GET_PRIV (applet);
+ const gchar *name;
+ const gchar *status;
+ gchar *tip;
+ const gchar *avatar_token = NULL;
+
+ if (priv->contact) {
+ EmpathyAvatar *avatar;
+
+ avatar = empathy_contact_get_avatar (priv->contact);
+ if (avatar) {
+ avatar_token = avatar->token;
+ }
+ }
+
+ if (avatar_token) {
+ panel_applet_gconf_set_string (PANEL_APPLET (applet),
+ "avatar_token", avatar_token,
+ NULL);
+ }
+
+ megaphone_applet_update_icon (applet);
+
+ if (priv->contact ) {
+ name = empathy_contact_get_name (priv->contact);
+ status = empathy_contact_get_status (priv->contact);
+ tip = g_strdup_printf ("<b>%s</b>: %s", name, status);
+ gtk_widget_set_tooltip_markup (GTK_WIDGET (applet), tip);
+ g_free (tip);
+ } else {
+ gtk_widget_set_tooltip_markup (GTK_WIDGET (applet),
+ "Please configure a contact.");
+ }
+
+}
+
+static void
+megaphone_applet_set_contact (MegaphoneApplet *applet,
+ const gchar *str)
+{
+ MegaphoneAppletPriv *priv = GET_PRIV (applet);
+ McAccount *account = NULL;
+ gchar **strv = NULL;
+
+ DEBUG ("Setting new contact %s", str);
+
+ /* Release old contact, if any */
+ if (priv->contact) {
+ g_signal_handlers_disconnect_by_func (priv->contact,
+ megaphone_applet_update_contact,
+ applet);
+ g_object_unref (priv->contact),
+ priv->contact = NULL;
+ }
+
+ /* Lookup the new contact */
+ if (str) {
+ strv = g_strsplit (str, "/", 2);
+ account = mc_account_lookup (strv[0]);
+ }
+ if (account) {
+ priv->contact = empathy_contact_factory_get_from_id (priv->factory,
+ account,
+ strv[1]);
+ g_object_unref (account);
+ }
+ g_strfreev (strv);
+
+ /* Take hold of the new contact if any */
+ if (priv->contact) {
+ /* Listen for updates on the contact, and force a first update */
+ g_signal_connect_swapped (priv->contact, "notify",
+ G_CALLBACK (megaphone_applet_update_contact),
+ applet);
+ }
+
+ megaphone_applet_update_contact (applet);
+}
+
+static void
+megaphone_applet_preferences_response_cb (GtkWidget *dialog,
+ gint response,
+ MegaphoneApplet *applet)
+{
+ if (response == GTK_RESPONSE_ACCEPT) {
+ EmpathyContactListView *contact_list;
+ EmpathyContact *contact;
+
+ /* Retrieve the selected contact, if any and set it up in gconf.
+ * GConf will notify us from the change and we will adjust ourselves */
+ contact_list = g_object_get_data (G_OBJECT (dialog), "contact-list");
+ contact = empathy_contact_list_view_get_selected (contact_list);
+ if (contact) {
+ McAccount *account;
+ const gchar *account_id;
+ const gchar *contact_id;
+ gchar *str;
+
+ account = empathy_contact_get_account (contact);
+ account_id = mc_account_get_unique_name (account);
+ contact_id = empathy_contact_get_id (contact);
+
+ str = g_strconcat (account_id, "/", contact_id, NULL);
+ panel_applet_gconf_set_string (PANEL_APPLET (applet),
+ "avatar_token", "",
+ NULL);
+ panel_applet_gconf_set_string (PANEL_APPLET (applet),
+ "contact_id", str,
+ NULL);
+ g_free (str);
+ }
+ }
+ gtk_widget_destroy (dialog);
+}
+
+static void
+megaphone_applet_show_preferences (MegaphoneApplet *applet)
+{
+ GtkWidget *dialog;
+ GtkWidget *scroll;
+ EmpathyContactListView *contact_list;
+ EmpathyContactListStore *contact_store;
+ EmpathyContactManager *contact_manager;
+
+ dialog = gtk_dialog_new_with_buttons ("Select contact...",
+ NULL, 0,
+ GTK_STOCK_CANCEL,
+ GTK_RESPONSE_REJECT,
+ GTK_STOCK_OK,
+ GTK_RESPONSE_ACCEPT,
+ NULL);
+
+ /* Show all contacts, even offline and sort alphabetically */
+ contact_manager = empathy_contact_manager_new ();
+ contact_store = empathy_contact_list_store_new (EMPATHY_CONTACT_LIST (contact_manager));
+ g_object_set (contact_store,
+ "is-compact", TRUE,
+ "show-avatars", TRUE,
+ "show-offline", TRUE,
+ "sort-criterium", EMPATHY_CONTACT_LIST_STORE_SORT_NAME,
+ NULL);
+ contact_list = empathy_contact_list_view_new (contact_store,
+ EMPATHY_CONTACT_LIST_FEATURE_NONE,
+ EMPATHY_CONTACT_FEATURE_NONE);
+ g_object_unref (contact_manager);
+ g_object_unref (contact_store);
+ gtk_widget_show (GTK_WIDGET (contact_list));
+
+ gtk_window_set_default_size (GTK_WINDOW (dialog), 300, 500);
+ scroll = gtk_scrolled_window_new (NULL, NULL);
+ gtk_container_add (GTK_CONTAINER (scroll), GTK_WIDGET (contact_list));
+ gtk_container_add (GTK_CONTAINER (GTK_DIALOG (dialog)->vbox), scroll);
+ gtk_widget_show (scroll);
+
+ g_object_set_data (G_OBJECT (dialog), "contact-list", contact_list);
+
+ g_signal_connect (dialog, "response",
+ G_CALLBACK (megaphone_applet_preferences_response_cb),
+ applet);
+
+ gtk_widget_show (dialog);
+}
+
+static void
+megaphone_applet_information_cb (BonoboUIComponent *uic,
+ MegaphoneApplet *applet,
+ const gchar *verb_name)
+{
+ MegaphoneAppletPriv *priv = GET_PRIV (applet);
+
+ /* FIXME: We should grey out the menu item if there are no available contact */
+ if (priv->contact) {
+ empathy_contact_information_dialog_show (priv->contact, NULL, FALSE, FALSE);
+ }
+}
+
+static void
+megaphone_applet_preferences_cb (BonoboUIComponent *uic,
+ MegaphoneApplet *applet,
+ const gchar *verb_name)
+{
+ megaphone_applet_show_preferences (applet);
+}
+
+static void
+megaphone_applet_about_cb (BonoboUIComponent *uic,
+ MegaphoneApplet *applet,
+ const gchar *verb_name)
+{
+ gtk_show_about_dialog (NULL,
+ "name", "Megaphone",
+ "version", PACKAGE_VERSION,
+ "copyright", "Raphaël Slinckx 2007\nCollabora Ltd 2007",
+ "comments", _("Talk!"),
+ "authors", authors,
+ "logo-icon-name", "stock_people",
+ NULL);
+}
+
+static gboolean
+megaphone_applet_button_press_event_cb (GtkWidget *widget,
+ GdkEventButton *event,
+ MegaphoneApplet *applet)
+{
+ MegaphoneAppletPriv *priv = GET_PRIV (applet);
+ MissionControl *mc;
+
+ /* Only react on left-clicks */
+ if (event->button != 1 || event->type != GDK_BUTTON_PRESS) {
+ return FALSE;
+ }
+
+ /* If the contact is unavailable we display the preferences dialog */
+ if (priv->contact == NULL) {
+ megaphone_applet_show_preferences (applet);
+ return TRUE;
+ }
+
+ DEBUG ("Requesting text channel for contact %s (%d)",
+ empathy_contact_get_id (priv->contact),
+ empathy_contact_get_handle (priv->contact));
+
+ mc = empathy_mission_control_new ();
+ mission_control_request_channel (mc,
+ empathy_contact_get_account (priv->contact),
+ TP_IFACE_CHANNEL_TYPE_TEXT,
+ empathy_contact_get_handle (priv->contact),
+ TP_HANDLE_TYPE_CONTACT,
+ NULL, NULL);
+ g_object_unref (mc);
+
+ return TRUE;
+}
+
+static void
+megaphone_applet_size_allocate_cb (GtkWidget *widget,
+ GtkAllocation *allocation,
+ MegaphoneApplet *applet)
+{
+ MegaphoneAppletPriv *priv = GET_PRIV (applet);
+ gint size;
+ PanelAppletOrient orient;
+
+ orient = panel_applet_get_orient (PANEL_APPLET (widget));
+ if (orient == PANEL_APPLET_ORIENT_LEFT ||
+ orient == PANEL_APPLET_ORIENT_RIGHT) {
+ size = allocation->width;
+ } else {
+ size = allocation->height;
+ }
+
+ if (size != priv->image_size) {
+ priv->image_size = size;
+ megaphone_applet_update_icon (applet);
+ }
+}
+
+static void
+megaphone_applet_gconf_notify_cb (GConfClient *client,
+ guint cnxn_id,
+ GConfEntry *entry,
+ MegaphoneApplet *applet)
+{
+ const gchar *key;
+ GConfValue *value;
+
+ key = gconf_entry_get_key (entry);
+ value = gconf_entry_get_value (entry);
+ DEBUG ("GConf notification for key '%s'", key);
+
+ if (value && g_str_has_suffix (key, "/contact_id")) {
+ megaphone_applet_set_contact (applet,
+ gconf_value_get_string (value));
+ }
+}
+
+static gboolean
+megaphone_applet_factory (PanelApplet *applet,
+ const gchar *iid,
+ gpointer data)
+{
+ MegaphoneAppletPriv *priv = GET_PRIV (applet);
+ gchar *pref_dir;
+ gchar *contact_id;
+
+ /* Ensure it's us! */
+ if (strcmp (iid, "OAFIID:GNOME_Megaphone_Applet") != 0) {
+ return FALSE;
+ }
+
+ DEBUG ("Starting up new instance!");
+
+ /* Set up the right-click menu */
+ panel_applet_setup_menu_from_file (applet,
+ PKGDATADIR,
+ "GNOME_Megaphone_Applet.xml",
+ NULL,
+ megaphone_applet_menu_verbs,
+ applet);
+
+ /* Define the schema to be used for each applet instance's preferences */
+ panel_applet_add_preferences (applet,
+ "/schemas/apps/megaphone-applet/prefs",
+ NULL);
+
+ /* We watch the preferences directory */
+ pref_dir = panel_applet_gconf_get_full_key (applet, "");
+ pref_dir[strlen (pref_dir)-1] = '\0';
+ gconf_client_add_dir (priv->gconf, pref_dir,
+ GCONF_CLIENT_PRELOAD_ONELEVEL,
+ NULL);
+ gconf_client_notify_add (priv->gconf, pref_dir,
+ (GConfClientNotifyFunc) megaphone_applet_gconf_notify_cb,
+ applet,
+ NULL, NULL);
+ g_free (pref_dir);
+
+ /* Initial setup with the pre-existing gconf key, or contact_id=NULL if no previous pref */
+ contact_id = panel_applet_gconf_get_string (PANEL_APPLET (applet), "contact_id", NULL);
+ megaphone_applet_set_contact (MEGAPHONE_APPLET (applet), contact_id);
+ g_free (contact_id);
+
+ /* Let's go! */
+ gtk_widget_show (GTK_WIDGET (applet));
+
+ return TRUE;
+}
+
+PANEL_APPLET_BONOBO_FACTORY ("OAFIID:GNOME_Megaphone_Applet_Factory",
+ MEGAPHONE_TYPE_APPLET,
+ "Megaphone", PACKAGE_VERSION,
+ megaphone_applet_factory,
+ NULL);
+