Listen to "account-removed" signal to properly move to folders view from accounts...
[modest] / src / hildon2 / modest-hildon2-window-mgr.c
index ffa54a8..939149a 100644 (file)
@@ -42,6 +42,7 @@
 #include "modest-tny-folder.h"
 #include "modest-folder-window.h"
 #include "modest-accounts-window.h"
+#include <modest-maemo-utils.h>
 
 /* 'private'/'protected' functions */
 static void modest_hildon2_window_mgr_class_init (ModestHildon2WindowMgrClass *klass);
@@ -77,6 +78,10 @@ static gboolean modest_hildon2_window_mgr_close_all_windows (ModestWindowMgr *se
 static gboolean window_can_close (ModestWindow *window);
 static gboolean window_has_modals (ModestWindow *window);
 static ModestWindow *modest_hildon2_window_mgr_show_initial_window (ModestWindowMgr *self);
+static ModestWindow *modest_hildon2_window_mgr_get_current_top (ModestWindowMgr *self);
+static gboolean modest_hildon2_window_mgr_screen_is_on (ModestWindowMgr *self);
+static void osso_display_event_cb (osso_display_state_t state, 
+                                  gpointer data);
 
 typedef struct _ModestHildon2WindowMgrPrivate ModestHildon2WindowMgrPrivate;
 struct _ModestHildon2WindowMgrPrivate {
@@ -94,6 +99,11 @@ struct _ModestHildon2WindowMgrPrivate {
 
        GSList       *modal_handler_uids;
        ModestWindow *current_top;
+
+       gulong        accounts_handler;
+
+       /* Display state */
+       osso_display_state_t display_state;
 };
 #define MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
                                                                                   MODEST_TYPE_HILDON2_WINDOW_MGR, \
@@ -148,6 +158,8 @@ modest_hildon2_window_mgr_class_init (ModestHildon2WindowMgrClass *klass)
        mgr_class->get_window_list = modest_hildon2_window_mgr_get_window_list;
        mgr_class->close_all_windows = modest_hildon2_window_mgr_close_all_windows;
        mgr_class->show_initial_window = modest_hildon2_window_mgr_show_initial_window;
+       mgr_class->get_current_top = modest_hildon2_window_mgr_get_current_top;
+       mgr_class->screen_is_on = modest_hildon2_window_mgr_screen_is_on;
 
        g_type_class_add_private (gobject_class, sizeof(ModestHildon2WindowMgrPrivate));
 
@@ -161,7 +173,6 @@ modest_hildon2_window_mgr_instance_init (ModestHildon2WindowMgr *obj)
        priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE(obj);
        priv->window_list = NULL;
        priv->fullscreen_mode = FALSE;
-       priv->current_top = NULL;
        priv->window_state_uids = NULL;
 
        priv->modal_windows = g_queue_new ();
@@ -175,16 +186,33 @@ modest_hildon2_window_mgr_instance_init (ModestHildon2WindowMgr *obj)
        priv->closing_time = 0;
 
        priv->modal_handler_uids = NULL;
+       priv->display_state = OSSO_DISPLAY_ON;
+
+       /* Listen for changes in the screen, we don't want to show a
+          led pattern when the display is on for example */
+       osso_hw_set_display_event_cb (modest_maemo_utils_get_osso_context (),
+                                     osso_display_event_cb,
+                                     obj); 
+
 }
 
 static void
 modest_hildon2_window_mgr_finalize (GObject *obj)
 {
        ModestHildon2WindowMgrPrivate *priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE(obj);
+       ModestTnyAccountStore *acc_store;
 
        modest_signal_mgr_disconnect_all_and_destroy (priv->window_state_uids);
        priv->window_state_uids = NULL;
 
+       osso_hw_set_display_event_cb (modest_maemo_utils_get_osso_context (),
+                                     NULL,
+                                     NULL); 
+
+       acc_store = modest_runtime_get_account_store ();
+       if (acc_store && g_signal_handler_is_connected (acc_store, priv->accounts_handler))
+           g_signal_handler_disconnect (acc_store, priv->accounts_handler);
+
        if (priv->window_list) {
                GList *iter = priv->window_list;
                /* unregister pending windows */
@@ -336,9 +364,9 @@ modest_hildon2_window_mgr_register_window (ModestWindowMgr *self,
        ModestHildon2WindowMgrPrivate *priv;
        gint *handler_id;
        HildonProgram *program;
-       GtkWidget *current_top;
        HildonWindowStack *stack;
        gboolean nested_msg = FALSE;
+       ModestWindow *current_top;
 
        g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), FALSE);
        g_return_val_if_fail (GTK_IS_WINDOW (window), FALSE);
@@ -364,7 +392,7 @@ modest_hildon2_window_mgr_register_window (ModestWindowMgr *self,
        g_object_ref (window);
        priv->window_list = g_list_prepend (priv->window_list, window);
 
-       current_top = hildon_window_stack_peek (stack);
+       current_top = (ModestWindow *) hildon_window_stack_peek (stack);
        nested_msg = MODEST_IS_MSG_VIEW_WINDOW (window) && 
                MODEST_IS_MSG_VIEW_WINDOW (parent);
 
@@ -404,7 +432,7 @@ fail:
        /* Add to list. Keep a reference to the window */
        priv->window_list = g_list_remove (priv->window_list, window);
        g_object_unref (window);
-       current_top = hildon_window_stack_peek (stack);
+       current_top = (ModestWindow *) hildon_window_stack_peek (stack);
        if (current_top)
                gtk_window_present (GTK_WINDOW (current_top));
        return FALSE;
@@ -500,7 +528,6 @@ modest_hildon2_window_mgr_unregister_window (ModestWindowMgr *self,
        GList *win;
        ModestHildon2WindowMgrPrivate *priv;
        gulong *tmp, handler_id;
-       gboolean check_close_all = FALSE;
        guint num_windows;
 
        g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
@@ -514,10 +541,6 @@ modest_hildon2_window_mgr_unregister_window (ModestWindowMgr *self,
                return;
        }
 
-       /* Remember this for the end of the method */
-       if (MODEST_IS_FOLDER_WINDOW (window))
-               check_close_all = TRUE;
-
        /* Remove the viewer window handler from the hash table. The
           HashTable could not exist if the main window was closed
           when there were other windows remaining */
@@ -542,13 +565,6 @@ modest_hildon2_window_mgr_unregister_window (ModestWindowMgr *self,
        /* cancel open and receive operations */
        cancel_window_operations (window);
 
-       /* Check if it's the topmost window, and remove the window from the stack.
-        * This is needed for the cases there's no other topmost window that will
-        * replace it in topmost handler.
-        */
-        if (window == priv->current_top)
-                priv->current_top = NULL;
-
        /* Disconnect the "window-state-event" handler, we won't need it anymore */
        if (priv->window_state_uids) {
                priv->window_state_uids = 
@@ -570,15 +586,6 @@ modest_hildon2_window_mgr_unregister_window (ModestWindowMgr *self,
           emit the signal too many times */
        num_windows = modest_window_mgr_get_num_windows (self);
 
-       /* Check if we have to destroy the accounts window as
-          well. This happens if we only have one or none remote
-          accounts */
-       if (check_close_all) {
-               ModestTnyAccountStore *acc_store = modest_runtime_get_account_store ();
-               if (modest_tny_account_store_get_num_remote_accounts (acc_store) < 2)
-                       modest_window_mgr_close_all_windows (self);
-       }
-
        /* If there are no more windows registered emit the signal */
        if (num_windows == 0)
                g_signal_emit_by_name (self, "window-list-empty");
@@ -686,42 +693,89 @@ modest_hildon2_window_mgr_set_modal (ModestWindowMgr *self,
        gtk_window_set_destroy_with_parent (window, TRUE);
 }
 
+static void
+on_account_removed (TnyAccountStore *acc_store, 
+                   TnyAccount *account,
+                   gpointer user_data)
+{
+       HildonWindowStack *stack;
+       ModestWindow *current_top;
+
+       /* Ignore transport account removals */
+       if (TNY_IS_TRANSPORT_ACCOUNT (account))
+               return;
+
+       stack = hildon_window_stack_get_default ();
+       current_top = (ModestWindow *) hildon_window_stack_peek (stack);
+
+       if (current_top && MODEST_IS_ACCOUNTS_WINDOW (current_top)) {
+               ModestWindow *folders_window;
+               ModestAccountMgr *mgr;
+
+                folders_window = MODEST_WINDOW (modest_folder_window_new (NULL));
+                mgr = modest_runtime_get_account_mgr ();
+                modest_folder_window_set_account (MODEST_FOLDER_WINDOW (folders_window),
+                                                  modest_account_mgr_get_default_account (mgr));
+                modest_window_mgr_register_window (MODEST_WINDOW_MGR (user_data),
+                                                  folders_window, NULL);
+               gtk_widget_show (GTK_WIDGET (folders_window));
+       }
+}
+
 static ModestWindow *
 modest_hildon2_window_mgr_show_initial_window (ModestWindowMgr *self)
 {
        ModestWindow *initial_window = NULL;
-       ModestTnyAccountStore *acc_store;
+        ModestTnyAccountStore *acc_store;
+       ModestHildon2WindowMgrPrivate *priv;
 
-       /* Always create accounts window. We'll decide later if we
-          want to show it or not, depending the number of accounts */
+       /* Return accounts window */
        initial_window = MODEST_WINDOW (modest_accounts_window_new ());
        modest_window_mgr_register_window (self, initial_window, NULL);
 
-       /* If there are less than 2 remote accounts then directly show
-          the folder window and do not show the accounts window */
-       acc_store = modest_runtime_get_account_store ();
-       if (modest_tny_account_store_get_num_remote_accounts (acc_store) < 2) {
-               ModestAccountMgr *mgr;
-
-               /* Show first the accounts window to add it to the
-                  stack. This has to be changed when the new
-                  stackable API is available. There will be a method
-                  to show all the windows that will only show the
-                  last one to the user. The current code shows both
-                  windows, one after the other */
-               gtk_widget_show (GTK_WIDGET (initial_window));
-
-               initial_window = MODEST_WINDOW (modest_folder_window_new (NULL));
-               mgr = modest_runtime_get_account_mgr ();
-               modest_folder_window_set_account (MODEST_FOLDER_WINDOW (initial_window),
-                                                 modest_account_mgr_get_default_account (mgr));
-               modest_window_mgr_register_window (self, initial_window, NULL);
+       /* Check if we have at least one remote account to create also
+          the folders window */
+        acc_store = modest_runtime_get_account_store ();
+        if (modest_tny_account_store_get_num_remote_accounts (acc_store) < 1) {
+                 ModestAccountMgr *mgr;
+
+               /* Show first the accounts window to add it to the
+                   stack. This has to be changed when the new
+                   stackable API is available. There will be a method
+                   to show all the windows that will only show the
+                   last one to the user. The current code shows both
+                   windows, one after the other */
+                gtk_widget_show (GTK_WIDGET (initial_window));
+
+                initial_window = MODEST_WINDOW (modest_folder_window_new (NULL));
+                mgr = modest_runtime_get_account_mgr ();
+                modest_folder_window_set_account (MODEST_FOLDER_WINDOW (initial_window),
+                                                  modest_account_mgr_get_default_account (mgr));
+                modest_window_mgr_register_window (self, initial_window, NULL);
        }
 
+       /* Connect to the account store "account-removed" signal". If
+          we're showing the accounts window and all the accounts are
+          deleted we need to move to folders window automatically */
+       priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
+       priv->accounts_handler = g_signal_connect (acc_store, 
+                                                  "account-removed",
+                                                  G_CALLBACK (on_account_removed),
+                                                  self);
+
        return initial_window;
 }
 
-gint 
+
+static ModestWindow *
+modest_hildon2_window_mgr_get_current_top (ModestWindowMgr *self)
+{
+       HildonWindowStack *stack;
+       stack = hildon_window_stack_get_default ();
+       return (ModestWindow *) hildon_window_stack_peek (stack);
+}
+
+static gint 
 find_folder_window (gconstpointer a,
                    gconstpointer b)
 {
@@ -744,3 +798,29 @@ modest_hildon2_window_mgr_get_folder_window (ModestHildon2WindowMgr *self)
 
        return (window != NULL) ? MODEST_WINDOW (window->data) : NULL;
 }
+
+static gboolean
+modest_hildon2_window_mgr_screen_is_on (ModestWindowMgr *self)
+{
+       ModestHildon2WindowMgrPrivate *priv = NULL;
+
+       g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), FALSE);
+
+       priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
+       
+       return (priv->display_state == OSSO_DISPLAY_ON) ? TRUE : FALSE;
+}
+
+static void 
+osso_display_event_cb (osso_display_state_t state, 
+                      gpointer data)
+{
+       ModestHildon2WindowMgrPrivate *priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (data);
+
+       priv->display_state = state;
+
+       /* Stop blinking if the screen becomes on */
+       if (priv->display_state == OSSO_DISPLAY_ON)
+               modest_platform_remove_new_mail_notifications (TRUE);
+}
+