[empathy: 2/7] Move notifications code from status-icon to notifications-approver (#635500)

[Guillaume Desmottes <gdesmott src gnome org>]

commit dedc37ecea14c0752c8a23b77e73248dd8a6fe2b
Author: Guillaume Desmottes <guillaume desmottes collabora co uk>
Date:   Mon Nov 22 12:52:31 2010 +0100

    Move notifications code from status-icon to notifications-approver (#635500)

 src/empathy-notifications-approver.c |  260 ++++++++++++++++++++++++++++++++++
 src/empathy-status-icon.c            |  259 ---------------------------------
 2 files changed, 260 insertions(+), 259 deletions(-)
---
diff --git a/src/empathy-notifications-approver.c b/src/empathy-notifications-approver.c
index 2b73ce8..980a7d5 100644
--- a/src/empathy-notifications-approver.c
+++ b/src/empathy-notifications-approver.c
@@ -20,10 +20,13 @@
 #include <config.h>
 #include <string.h>
 
+#include <glib/gi18n.h>
 #include <libnotify/notification.h>
 #include <libnotify/notify.h>
 #include <telepathy-glib/telepathy-glib.h>
 
+#include <libempathy/empathy-contact-manager.h>
+
 #include <libempathy-gtk/empathy-notify-manager.h>
 
 #include "empathy-event-manager.h"
@@ -37,6 +40,9 @@ struct _EmpathyNotificationsApproverPrivate
 {
   EmpathyEventManager *event_mgr;
   EmpathyNotifyManager *notify_mgr;
+
+  NotifyNotification *notification;
+  EmpathyEvent *event;
 };
 
 G_DEFINE_TYPE (EmpathyNotificationsApprover, empathy_notifications_approver,
@@ -71,6 +77,12 @@ notifications_approver_dispose (GObject *object)
   tp_clear_object (&self->priv->event_mgr);
   tp_clear_object (&self->priv->notify_mgr);
 
+  if (self->priv->notification != NULL)
+    {
+      notify_notification_close (self->priv->notification, NULL);
+      tp_clear_object (&self->priv->notification);
+    }
+
   G_OBJECT_CLASS (empathy_notifications_approver_parent_class)->dispose (
       object);
 }
@@ -89,6 +101,247 @@ empathy_notifications_approver_class_init (
 }
 
 static void
+notification_closed_cb (NotifyNotification *notification,
+    EmpathyNotificationsApprover *self)
+{
+  g_object_unref (notification);
+
+  if (self->priv->notification == notification)
+    self->priv->notification = NULL;
+}
+
+static void
+notification_close_helper (EmpathyNotificationsApprover *self)
+{
+  if (self->priv->notification != NULL)
+    {
+      notify_notification_close (self->priv->notification, NULL);
+      self->priv->notification = NULL;
+    }
+}
+
+static void
+notification_approve_cb (NotifyNotification *notification,
+    gchar *action,
+    EmpathyNotificationsApprover *self)
+{
+  if (self->priv->event != NULL)
+    empathy_event_approve (self->priv->event);
+}
+
+static void
+notification_decline_cb (NotifyNotification *notification,
+    gchar *action,
+    EmpathyNotificationsApprover  *self)
+{
+  if (self->priv->event != NULL)
+    empathy_event_decline (self->priv->event);
+}
+
+static void
+notification_decline_subscription_cb (NotifyNotification *notification,
+    gchar *action,
+    EmpathyNotificationsApprover *self)
+{
+  EmpathyContactManager *manager;
+
+  if (self->priv->event == NULL)
+    return;
+
+  manager = empathy_contact_manager_dup_singleton ();
+  empathy_contact_list_remove (EMPATHY_CONTACT_LIST (manager),
+      self->priv->event->contact, "");
+
+  empathy_event_remove (self->priv->event);
+
+  g_object_unref (manager);
+}
+
+static void
+notification_accept_subscription_cb (NotifyNotification *notification,
+    gchar *action,
+    EmpathyNotificationsApprover *self)
+{
+  EmpathyContactManager *manager;
+
+  if (self->priv->event == NULL)
+    return;
+
+  manager = empathy_contact_manager_dup_singleton ();
+  empathy_contact_list_add (EMPATHY_CONTACT_LIST (manager),
+      self->priv->event->contact, "");
+
+  empathy_event_remove (self->priv->event);
+
+  g_object_unref (manager);
+}
+
+static void
+add_notification_actions (EmpathyNotificationsApprover *self,
+    NotifyNotification *notification)
+{
+  switch (self->priv->event->type) {
+    case EMPATHY_EVENT_TYPE_CHAT:
+      notify_notification_add_action (notification,
+        "respond", _("Respond"), (NotifyActionCallback) notification_approve_cb,
+          self, NULL);
+      break;
+
+    case EMPATHY_EVENT_TYPE_VOIP:
+      notify_notification_add_action (notification,
+        "reject", _("Reject"), (NotifyActionCallback) notification_decline_cb,
+          self, NULL);
+
+      notify_notification_add_action (notification,
+        "answer", _("Answer"), (NotifyActionCallback) notification_approve_cb,
+          self, NULL);
+      break;
+
+    case EMPATHY_EVENT_TYPE_TRANSFER:
+    case EMPATHY_EVENT_TYPE_INVITATION:
+      notify_notification_add_action (notification,
+        "decline", _("Decline"), (NotifyActionCallback) notification_decline_cb,
+          self, NULL);
+
+      notify_notification_add_action (notification,
+        "accept", _("Accept"), (NotifyActionCallback) notification_approve_cb,
+          self, NULL);
+      break;
+
+    case EMPATHY_EVENT_TYPE_SUBSCRIPTION:
+      notify_notification_add_action (notification,
+        "decline", _("Decline"),
+          (NotifyActionCallback) notification_decline_subscription_cb,
+          self, NULL);
+
+      notify_notification_add_action (notification,
+        "accept", _("Accept"),
+          (NotifyActionCallback) notification_accept_subscription_cb,
+          self, NULL);
+
+    default:
+      break;
+  }
+}
+
+static void
+update_notification (EmpathyNotificationsApprover *self)
+{
+  GdkPixbuf *pixbuf = NULL;
+  gchar *message_esc = NULL;
+  gboolean has_x_canonical_append;
+  NotifyNotification *notification = self->priv->notification;
+
+  if (!empathy_notify_manager_notification_is_enabled (self->priv->notify_mgr))
+    {
+      /* always close the notification if this happens */
+      notification_close_helper (self);
+      return;
+    }
+
+  if (self->priv->event == NULL)
+    {
+      notification_close_helper (self);
+      return;
+     }
+
+  if (self->priv->event->message != NULL)
+    message_esc = g_markup_escape_text (self->priv->event->message, -1);
+
+  has_x_canonical_append = empathy_notify_manager_has_capability (
+      self->priv->notify_mgr, EMPATHY_NOTIFY_MANAGER_CAP_X_CANONICAL_APPEND);
+
+  if (notification != NULL && ! has_x_canonical_append)
+    {
+      /* if the notification server supports x-canonical-append, it is
+       * better to not use notify_notification_update to avoid
+       * overwriting the current notification message */
+      notify_notification_update (notification,
+          self->priv->event->header, message_esc, NULL);
+    }
+  else
+    {
+      /* if the notification server supports x-canonical-append,
+       * the hint will be added, so that the message from the
+       * just created notification will be automatically appended
+       * to an existing notification with the same title.
+       * In this way the previous message will not be lost: the new
+       * message will appear below it, in the same notification */
+      notification = notify_notification_new (self->priv->event->header,
+           message_esc, NULL);
+
+      if (self->priv->notification == NULL)
+        self->priv->notification = notification;
+
+      notify_notification_set_timeout (notification,
+          NOTIFY_EXPIRES_DEFAULT);
+
+      if (has_x_canonical_append)
+        notify_notification_set_hint_string (notification,
+            EMPATHY_NOTIFY_MANAGER_CAP_X_CANONICAL_APPEND, "");
+
+      if (empathy_notify_manager_has_capability (self->priv->notify_mgr,
+            EMPATHY_NOTIFY_MANAGER_CAP_ACTIONS))
+        add_notification_actions (self, notification);
+
+      g_signal_connect (notification, "closed",
+          G_CALLBACK (notification_closed_cb), self);
+    }
+
+  pixbuf = empathy_notify_manager_get_pixbuf_for_notification (
+      self->priv->notify_mgr, self->priv->event->contact,
+      self->priv->event->icon_name);
+
+  if (pixbuf != NULL)
+    {
+      notify_notification_set_icon_from_pixbuf (notification, pixbuf);
+      g_object_unref (pixbuf);
+    }
+
+  notify_notification_show (notification, NULL);
+
+  g_free (message_esc);
+}
+
+static void
+event_added_cb (EmpathyEventManager *manager,
+    EmpathyEvent *event,
+    EmpathyNotificationsApprover *self)
+{
+  if (self->priv->event != NULL)
+    return;
+
+  self->priv->event = event;
+  update_notification (self);
+}
+
+static void
+event_removed_cb (EmpathyEventManager *manager,
+    EmpathyEvent *event,
+    EmpathyNotificationsApprover *self)
+{
+  if (event != self->priv->event)
+    return;
+
+  self->priv->event = empathy_event_manager_get_top_event (
+      self->priv->event_mgr);
+
+  update_notification (self);
+}
+
+static void
+event_updated_cb (EmpathyEventManager *manager,
+    EmpathyEvent *event,
+    EmpathyNotificationsApprover *self)
+{
+  if (event != self->priv->event)
+    return;
+
+  if (empathy_notify_manager_notification_is_enabled (self->priv->notify_mgr))
+    update_notification (self);
+}
+
+static void
 empathy_notifications_approver_init (EmpathyNotificationsApprover *self)
 {
   EmpathyNotificationsApproverPrivate *priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
@@ -98,6 +351,13 @@ empathy_notifications_approver_init (EmpathyNotificationsApprover *self)
 
   self->priv->event_mgr = empathy_event_manager_dup_singleton ();
   self->priv->notify_mgr = empathy_notify_manager_dup_singleton ();
+
+  g_signal_connect (self->priv->event_mgr, "event-added",
+      G_CALLBACK (event_added_cb), self);
+  g_signal_connect (priv->event_mgr, "event-removed",
+      G_CALLBACK (event_removed_cb), self);
+  g_signal_connect (priv->event_mgr, "event-updated",
+      G_CALLBACK (event_updated_cb), self);
 }
 
 EmpathyNotificationsApprover *
diff --git a/src/empathy-status-icon.c b/src/empathy-status-icon.c
index 6bfb2f3..0c834a6 100644
--- a/src/empathy-status-icon.c
+++ b/src/empathy-status-icon.c
@@ -29,13 +29,9 @@
 #include <gdk/gdkkeysyms.h>
 #include <glib/gi18n.h>
 
-#include <libnotify/notification.h>
-#include <libnotify/notify.h>
-
 #include <telepathy-glib/account-manager.h>
 #include <telepathy-glib/util.h>
 
-#include <libempathy/empathy-contact-manager.h>
 #include <libempathy/empathy-gsettings.h>
 #include <libempathy/empathy-utils.h>
 
@@ -44,7 +40,6 @@
 #include <libempathy-gtk/empathy-images.h>
 #include <libempathy-gtk/empathy-new-message-dialog.h>
 #include <libempathy-gtk/empathy-new-call-dialog.h>
-#include <libempathy-gtk/empathy-notify-manager.h>
 
 #include "empathy-accounts-dialog.h"
 #include "empathy-status-icon.h"
@@ -61,12 +56,10 @@
 typedef struct {
 	GtkStatusIcon       *icon;
 	TpAccountManager    *account_manager;
-	EmpathyNotifyManager *notify_mgr;
 	gboolean             showing_event_icon;
 	guint                blink_timeout;
 	EmpathyEventManager *event_manager;
 	EmpathyEvent        *event;
-	NotifyNotification  *notification;
 	GSettings           *gsettings_ui;
 
 	GtkWindow           *window;
@@ -80,227 +73,6 @@ typedef struct {
 G_DEFINE_TYPE (EmpathyStatusIcon, empathy_status_icon, G_TYPE_OBJECT);
 
 static void
-status_icon_notification_closed_cb (NotifyNotification *notification,
-				    EmpathyStatusIcon  *icon)
-{
-	EmpathyStatusIconPriv *priv = GET_PRIV (icon);
-
-	g_object_unref (notification);
-
-	if (priv->notification == notification) {
-		priv->notification = NULL;
-	}
-
-	if (!priv->event) {
-		return;
-	}
-
-	/* inhibit other updates for this event */
-	empathy_event_inhibit_updates (priv->event);
-}
-
-static void
-notification_close_helper (EmpathyStatusIconPriv *priv)
-{
-	if (priv->notification != NULL) {
-		notify_notification_close (priv->notification, NULL);
-		priv->notification = NULL;
-	}
-}
-
-static void
-notification_approve_cb (NotifyNotification *notification,
-			gchar              *action,
-			EmpathyStatusIcon  *icon)
-{
-	EmpathyStatusIconPriv *priv = GET_PRIV (icon);
-
-	if (priv->event)
-		empathy_event_approve (priv->event);
-}
-
-static void
-notification_decline_cb (NotifyNotification *notification,
-			gchar              *action,
-			EmpathyStatusIcon  *icon)
-{
-	EmpathyStatusIconPriv *priv = GET_PRIV (icon);
-
-	if (priv->event)
-		empathy_event_decline (priv->event);
-}
-
-static void
-notification_decline_subscription_cb (NotifyNotification *notification,
-			gchar              *action,
-			EmpathyStatusIcon  *icon)
-{
-	EmpathyStatusIconPriv *priv = GET_PRIV (icon);
-	EmpathyContactManager *manager;
-
-	if (priv->event == NULL)
-		return;
-
-
-	manager = empathy_contact_manager_dup_singleton ();
-	empathy_contact_list_remove (EMPATHY_CONTACT_LIST (manager),
-				     priv->event->contact, "");
-
-	empathy_event_remove (priv->event);
-
-	g_object_unref (manager);
-}
-
-static void
-notification_accept_subscription_cb (NotifyNotification *notification,
-			gchar              *action,
-			EmpathyStatusIcon  *icon)
-{
-	EmpathyStatusIconPriv *priv = GET_PRIV (icon);
-	EmpathyContactManager *manager;
-
-	if (priv->event == NULL)
-		return;
-
-
-	manager = empathy_contact_manager_dup_singleton ();
-	empathy_contact_list_add (EMPATHY_CONTACT_LIST (manager),
-				  priv->event->contact, "");
-
-	empathy_event_remove (priv->event);
-
-	g_object_unref (manager);
-}
-
-static void
-add_notification_actions (EmpathyStatusIcon *self,
-			  NotifyNotification *notification)
-{
-	EmpathyStatusIconPriv *priv = GET_PRIV (self);
-
-	switch (priv->event->type) {
-		case EMPATHY_EVENT_TYPE_CHAT:
-			notify_notification_add_action (notification,
-				"respond", _("Respond"), (NotifyActionCallback) notification_approve_cb,
-					self, NULL);
-			break;
-
-		case EMPATHY_EVENT_TYPE_VOIP:
-			notify_notification_add_action (notification,
-				"reject", _("Reject"), (NotifyActionCallback) notification_decline_cb,
-					self, NULL);
-
-			notify_notification_add_action (notification,
-				"answer", _("Answer"), (NotifyActionCallback) notification_approve_cb,
-					self, NULL);
-			break;
-
-		case EMPATHY_EVENT_TYPE_TRANSFER:
-		case EMPATHY_EVENT_TYPE_INVITATION:
-			notify_notification_add_action (notification,
-				"decline", _("Decline"), (NotifyActionCallback) notification_decline_cb,
-					self, NULL);
-
-			notify_notification_add_action (notification,
-				"accept", _("Accept"), (NotifyActionCallback) notification_approve_cb,
-					self, NULL);
-			break;
-
-		case EMPATHY_EVENT_TYPE_SUBSCRIPTION:
-			notify_notification_add_action (notification,
-				"decline", _("Decline"),
-					(NotifyActionCallback) notification_decline_subscription_cb,
-					self, NULL);
-
-			notify_notification_add_action (notification,
-				"accept", _("Accept"),
-					(NotifyActionCallback) notification_accept_subscription_cb,
-					self, NULL);
-
-		default:
-			break;
-	}
-}
-
-static void
-status_icon_update_notification (EmpathyStatusIcon *icon)
-{
-	EmpathyStatusIconPriv *priv = GET_PRIV (icon);
-	GdkPixbuf *pixbuf = NULL;
-
-	if (!empathy_notify_manager_notification_is_enabled (priv->notify_mgr)) {
-		/* always close the notification if this happens */
-		notification_close_helper (priv);
-		return;
-	}
-
-	if (priv->event) {
-		gchar *message_esc = NULL;
-		gboolean has_x_canonical_append;
-		NotifyNotification *notification = priv->notification;
-
-		if (priv->event->message != NULL)
-			message_esc = g_markup_escape_text (priv->event->message, -1);
-
-		has_x_canonical_append =
-				empathy_notify_manager_has_capability (priv->notify_mgr,
-					EMPATHY_NOTIFY_MANAGER_CAP_X_CANONICAL_APPEND);
-
-		if (notification != NULL && ! has_x_canonical_append) {
-			/* if the notification server supports x-canonical-append, it is
-			   better to not use notify_notification_update to avoid
-			   overwriting the current notification message */
-			notify_notification_update (notification,
-						    priv->event->header, message_esc,
-						    NULL);
-		} else {
-			/* if the notification server supports x-canonical-append,
-			   the hint will be added, so that the message from the
-			   just created notification will be automatically appended
-			   to an existing notification with the same title.
-			   In this way the previous message will not be lost: the new
-			   message will appear below it, in the same notification */
-			notification = notify_notification_new
-				(priv->event->header, message_esc, NULL);
-
-			if (priv->notification == NULL) {
-				priv->notification = notification;
-			}
-
-			notify_notification_set_timeout (notification,
-							 NOTIFY_EXPIRES_DEFAULT);
-
-			if (has_x_canonical_append) {
-				notify_notification_set_hint_string (notification,
-					EMPATHY_NOTIFY_MANAGER_CAP_X_CANONICAL_APPEND, "");
-			}
-
-			if (empathy_notify_manager_has_capability (priv->notify_mgr,
-			           EMPATHY_NOTIFY_MANAGER_CAP_ACTIONS))
-				add_notification_actions (icon, notification);
-
-			g_signal_connect (notification, "closed",
-					  G_CALLBACK (status_icon_notification_closed_cb), icon);
-		}
-
-		pixbuf = empathy_notify_manager_get_pixbuf_for_notification (
-								   priv->notify_mgr, priv->event->contact,
-								   priv->event->icon_name);
-
-		if (pixbuf != NULL) {
-			notify_notification_set_icon_from_pixbuf (notification, pixbuf);
-			g_object_unref (pixbuf);
-		}
-
-		notify_notification_show (notification, NULL);
-
-		g_free (message_esc);
-	} else {
-		notification_close_helper (priv);
-	}
-}
-
-static void
 status_icon_update_tooltip (EmpathyStatusIcon *icon)
 {
 	EmpathyStatusIconPriv *priv = GET_PRIV (icon);
@@ -392,7 +164,6 @@ status_icon_event_added_cb (EmpathyEventManager *manager,
 		status_icon_update_icon (icon);
 		status_icon_update_tooltip (icon);
 	}
-	status_icon_update_notification (icon);
 
 	if (!priv->blink_timeout && priv->showing_event_icon) {
 		priv->blink_timeout = g_timeout_add (BLINK_TIMEOUT,
@@ -417,11 +188,6 @@ status_icon_event_removed_cb (EmpathyEventManager *manager,
 	status_icon_update_tooltip (icon);
 	status_icon_update_icon (icon);
 
-	/* update notification anyway, as it's safe and we might have been
-	 * changed presence in the meanwhile
-	 */
-	status_icon_update_notification (icon);
-
 	if (!priv->event && priv->blink_timeout) {
 		g_source_remove (priv->blink_timeout);
 		priv->blink_timeout = 0;
@@ -439,10 +205,6 @@ status_icon_event_updated_cb (EmpathyEventManager *manager,
 		return;
 	}
 
-	if (empathy_notify_manager_notification_is_enabled (priv->notify_mgr)) {
-		status_icon_update_notification (icon);
-	}
-
 	status_icon_update_tooltip (icon);
 }
 
@@ -491,19 +253,8 @@ status_icon_toggle_visibility (EmpathyStatusIcon *icon)
 static void
 status_icon_presence_changed_cb (EmpathyStatusIcon *icon)
 {
-	EmpathyStatusIconPriv *priv = GET_PRIV (icon);
-
 	status_icon_update_icon (icon);
 	status_icon_update_tooltip (icon);
-
-	if (!empathy_notify_manager_notification_is_enabled (priv->notify_mgr)) {
-		/* dismiss the outstanding notification if present */
-
-		if (priv->notification) {
-			notify_notification_close (priv->notification, NULL);
-			priv->notification = NULL;
-		}
-	}
 }
 
 static gboolean
@@ -658,17 +409,10 @@ status_icon_finalize (GObject *object)
 		g_source_remove (priv->blink_timeout);
 	}
 
-	if (priv->notification) {
-		notify_notification_close (priv->notification, NULL);
-		g_object_unref (priv->notification);
-		priv->notification = NULL;
-	}
-
 	g_object_unref (priv->icon);
 	g_object_unref (priv->account_manager);
 	g_object_unref (priv->event_manager);
 	g_object_unref (priv->ui_manager);
-	g_object_unref (priv->notify_mgr);
 	g_object_unref (priv->gsettings_ui);
 	g_object_unref (priv->window);
 }
@@ -752,9 +496,6 @@ empathy_status_icon_init (EmpathyStatusIcon *icon)
 	g_signal_connect (priv->icon, "popup-menu",
 			  G_CALLBACK (status_icon_popup_menu_cb),
 			  icon);
-
-	priv->notification = NULL;
-	priv->notify_mgr = empathy_notify_manager_dup_singleton ();
 }
 
 EmpathyStatusIcon *