Listen to "account-removed" signal to properly move to folders view from accounts...
[modest] / src / hildon2 / modest-hildon2-window-mgr.c
index 6031a59..939149a 100644 (file)
@@ -28,6 +28,7 @@
  */
 
 #include <string.h>
+#include <hildon/hildon.h>
 #include "modest-hildon2-window-mgr.h"
 #include "modest-msg-edit-window.h"
 #include "modest-main-window.h"
@@ -39,7 +40,9 @@
 #include "modest-ui-actions.h"
 #include "modest-debug.h"
 #include "modest-tny-folder.h"
-#include <hildon/hildon-program.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);
@@ -74,23 +77,33 @@ static GList *modest_hildon2_window_mgr_get_window_list (ModestWindowMgr *self);
 static gboolean modest_hildon2_window_mgr_close_all_windows (ModestWindowMgr *self);
 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 {
        GList        *window_list;
        GMutex       *queue_lock;
        GQueue       *modal_windows;
-       
+
        gboolean     fullscreen_mode;
-       
+
        GHashTable   *destroy_handlers;
        GHashTable   *viewer_handlers;
        GSList       *window_state_uids;
-       
+
        guint        closing_time;
 
        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, \
@@ -144,6 +157,9 @@ modest_hildon2_window_mgr_class_init (ModestHildon2WindowMgrClass *klass)
        mgr_class->find_registered_header = modest_hildon2_window_mgr_find_registered_header;
        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));
 
@@ -157,30 +173,46 @@ 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 ();
        priv->queue_lock = g_mutex_new ();
-       
+
        /* Could not initialize it from gconf, singletons are not
           ready yet */
-       priv->destroy_handlers = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, g_free);   
+       priv->destroy_handlers = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, g_free);
        priv->viewer_handlers = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, g_free);
 
        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 */
@@ -214,11 +246,10 @@ modest_hildon2_window_mgr_finalize (GObject *obj)
                g_mutex_unlock (priv->queue_lock);
        }
        g_mutex_free (priv->queue_lock);
-       
+
        /* Do not unref priv->main_window because it does not hold a
           new reference */
 
-       
        G_OBJECT_CLASS(parent_class)->finalize (obj);
 }
 
@@ -233,16 +264,16 @@ modest_hildon2_window_mgr_close_all_windows (ModestWindowMgr *self)
 {
        ModestHildon2WindowMgrPrivate *priv = NULL;
        gboolean ret_value = FALSE;
-       HildonStackableWindow *window;
-       HildonProgram *program;
+       GtkWidget *window;
+       HildonWindowStack *stack;
        gboolean failed = FALSE;
-       
+
        g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), FALSE);
        priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
-       
-       program = hildon_program_get_instance ();
 
-       while ((window = hildon_program_peek_window_stack (program)) != NULL) {
+       stack = hildon_window_stack_get_default ();
+
+       while ((window = hildon_window_stack_peek (stack)) != NULL) {
                g_signal_emit_by_name (G_OBJECT (window), "delete-event", NULL, &ret_value);
                if (ret_value == TRUE) {
                        failed = TRUE;
@@ -332,9 +363,10 @@ modest_hildon2_window_mgr_register_window (ModestWindowMgr *self,
        GList *win;
        ModestHildon2WindowMgrPrivate *priv;
        gint *handler_id;
-       ModestWindow *main_window;
        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);
@@ -350,46 +382,39 @@ modest_hildon2_window_mgr_register_window (ModestWindowMgr *self,
                gtk_window_present (GTK_WINDOW (win));
                return TRUE;
        }
-       
+
+       stack = hildon_window_stack_get_default ();
+
        if (!MODEST_WINDOW_MGR_CLASS (parent_class)->register_window (self, window, parent))
                goto fail;
-       
+
        /* Add to list. Keep a reference to the window */
        g_object_ref (window);
        priv->window_list = g_list_prepend (priv->window_list, window);
 
-       current_top = GTK_WIDGET (hildon_program_peek_window_stack (program));
+       current_top = (ModestWindow *) hildon_window_stack_peek (stack);
+       nested_msg = MODEST_IS_MSG_VIEW_WINDOW (window) && 
+               MODEST_IS_MSG_VIEW_WINDOW (parent);
 
-       if (!parent || ((GtkWidget *) parent != current_top)) {
-               /* We have to close all windows with the exception of the root window */
-               hildon_program_go_to_root_window (program);
+       /* Close views if they're being shown. Nevertheless we must
+          allow nested messages */
+       if (!nested_msg &&
+           (MODEST_IS_MSG_EDIT_WINDOW (current_top) ||
+            MODEST_IS_MSG_VIEW_WINDOW (current_top))) {
+               gboolean retval;
 
-               /* We remove 1 because we added it before */
-               if (modest_window_mgr_num_windows (MODEST_WINDOW_MGR (self)) - 1> 1) {
-                       /* Then we couldn't close one of the preceding windows, so we have to stop the 
-                        * window register process and fail.
-                        */
+               /* If the current view has modal dialogs then
+                  we fail to register the new view */
+               if ((current_top != NULL) &&
+                   window_has_modals (MODEST_WINDOW (current_top))) {
+                       /* Window on top but it has opened dialogs */
                        goto fail;
                }
 
-               current_top = GTK_WIDGET (hildon_program_peek_window_stack (program));
-               if ((current_top != NULL) && !MODEST_IS_MAIN_WINDOW (current_top)) {
-                       gboolean retval;
-                       g_signal_emit_by_name (G_OBJECT (current_top), "delete-event", NULL, &retval);
-                       if (retval == TRUE) {
-                               /* Cancelled closing top window, then we fail to register */
-                               goto fail;
-                       }
-                       current_top = GTK_WIDGET (hildon_program_peek_window_stack (program));
-               }
-               if ((current_top != NULL) && !MODEST_IS_MAIN_WINDOW (current_top)) {
-                       /* Closing the stacked windows failed, then we shouldn't show the
-                          new window */
-                       goto fail;
-               }
-               if ((current_top != NULL) && 
-                   window_has_modals (MODEST_WINDOW (current_top))) {
-                       /* Window on top but it has opened dialogs */
+               /* Close the current view */
+               g_signal_emit_by_name (G_OBJECT (current_top), "delete-event", NULL, &retval);
+               if (retval == TRUE) {
+                       /* Cancelled closing top window, then we fail to register */
                        goto fail;
                }
        }
@@ -399,18 +424,7 @@ modest_hildon2_window_mgr_register_window (ModestWindowMgr *self,
        *handler_id = g_signal_connect (window, "delete-event", G_CALLBACK (on_window_destroy), self);
        g_hash_table_insert (priv->destroy_handlers, window, handler_id);
 
-       main_window = modest_window_mgr_get_main_window (self, FALSE);
-       /* If there is a msg view window, let the main window listen the msg-changed signal */
-       if (MODEST_IS_MSG_VIEW_WINDOW(window) && main_window) {
-               gulong *handler;
-               handler = g_malloc0 (sizeof (gulong));
-               *handler = g_signal_connect (window, "msg-changed", 
-                                            G_CALLBACK (modest_main_window_on_msg_view_window_msg_changed), 
-                                            main_window);
-               g_hash_table_insert (priv->viewer_handlers, window, handler);
-       }
-
-       /* Show toolbar always */       
+       /* Show toolbar always */
        modest_window_show_toolbar (window, TRUE);
 
        return TRUE;
@@ -418,7 +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 = GTK_WIDGET (hildon_program_peek_window_stack (program));
+       current_top = (ModestWindow *) hildon_window_stack_peek (stack);
        if (current_top)
                gtk_window_present (GTK_WINDOW (current_top));
        return FALSE;
@@ -458,7 +472,8 @@ window_has_modals (ModestWindow *window)
        toplevels = gtk_window_list_toplevels ();
        for (node = toplevels; node != NULL; node = g_list_next (node)) {
                if (GTK_IS_WINDOW (node->data) &&
-                   gtk_window_get_transient_for (GTK_WINDOW (node->data)) == GTK_WINDOW (window)) {
+                   gtk_window_get_transient_for (GTK_WINDOW (node->data)) == GTK_WINDOW (window) &&
+                   GTK_WIDGET_VISIBLE (node->data)) {
                        retvalue = TRUE;
                        break;
                }
@@ -485,64 +500,35 @@ on_window_destroy (ModestWindow *window,
 {
        gboolean no_propagate = FALSE;
 
-       if (!window_can_close (window)) {
+       if (!window_can_close (window))
                return TRUE;
-       }
-       /* Specific stuff first */
-       if (MODEST_IS_MAIN_WINDOW (window)) {
-               ModestHildon2WindowMgrPrivate *priv;
-               priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
-
-               /* Do not unregister it, just hide */
-               gtk_widget_hide_all (GTK_WIDGET (window));
 
-               /* Cancel pending operations */
-               cancel_window_operations (window);
+       if (MODEST_IS_MSG_EDIT_WINDOW (window)) {
+               gboolean sent = FALSE;
+               sent = modest_msg_edit_window_get_sent (MODEST_MSG_EDIT_WINDOW (window));
+               /* Save currently edited message to Drafts if it was not sent */
+               if (!sent && modest_msg_edit_window_is_modified (MODEST_MSG_EDIT_WINDOW (window))) {
 
-               /* Fake the window system, make it think that there is no window */
-               if (modest_window_mgr_num_windows (MODEST_WINDOW_MGR (self)) == 0)
-                       g_signal_emit_by_name (self, "window-list-empty");
-
-               no_propagate = TRUE;
-       }
-       else {
-               if (MODEST_IS_MSG_EDIT_WINDOW (window)) {
-                       gboolean sent = FALSE;
-                       sent = modest_msg_edit_window_get_sent (MODEST_MSG_EDIT_WINDOW (window));
-                       /* Save currently edited message to Drafts if it was not sent */
-                       if (!sent && modest_msg_edit_window_is_modified (MODEST_MSG_EDIT_WINDOW (window))) {
-
-                         if (!modest_ui_actions_on_save_to_drafts (NULL, MODEST_MSG_EDIT_WINDOW (window)))
-                                 return TRUE;
-                       }
+                       if (!modest_ui_actions_on_save_to_drafts (NULL, MODEST_MSG_EDIT_WINDOW (window)))
+                               return TRUE;
                }
-               /* Unregister window */
-               modest_window_mgr_unregister_window (MODEST_WINDOW_MGR (self), window);
-               no_propagate = FALSE;
        }
 
+       /* Unregister window */
+       modest_window_mgr_unregister_window (MODEST_WINDOW_MGR (self), window);
+       no_propagate = FALSE;
+
        return no_propagate;
 }
 
 static void
-disconnect_msg_changed (gpointer key, 
-                       gpointer value, 
-                       gpointer user_data)
-{
-       guint handler_id;
-       handler_id = GPOINTER_TO_UINT(value);
-       
-       if (key && G_IS_OBJECT(key))
-               g_signal_handler_disconnect (G_OBJECT (key), handler_id);
-}
-
-static void 
 modest_hildon2_window_mgr_unregister_window (ModestWindowMgr *self, 
                                             ModestWindow *window)
 {
        GList *win;
        ModestHildon2WindowMgrPrivate *priv;
        gulong *tmp, handler_id;
+       guint num_windows;
 
        g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
        g_return_if_fail (MODEST_IS_WINDOW (window));
@@ -555,20 +541,6 @@ modest_hildon2_window_mgr_unregister_window (ModestWindowMgr *self,
                return;
        }
 
-       /* If it's the main window unset it */
-       if (MODEST_IS_MAIN_WINDOW (window)) {
-               modest_window_mgr_set_main_window (self, NULL);
-
-               /* Disconnect all emissions of msg-changed */
-               if (priv->viewer_handlers) {
-                       g_hash_table_foreach (priv->viewer_handlers, 
-                                             disconnect_msg_changed, 
-                                             NULL);
-                       g_hash_table_destroy (priv->viewer_handlers);
-                       priv->viewer_handlers = NULL;
-               }
-       }
-
        /* 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 */
@@ -593,44 +565,33 @@ 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) {
-#ifndef MODEST_TOOLKIT_GTK
                priv->window_state_uids = 
                        modest_signal_mgr_disconnect (priv->window_state_uids, 
                                                      G_OBJECT (window), 
                                                      "notify::is-topmost");
-#else
-               priv->window_state_uids = 
-                       modest_signal_mgr_disconnect (priv->window_state_uids, 
-                                                     G_OBJECT (window), 
-                                                     "window-state-event");
-#endif
        }
-       
+
        /* Disconnect the "delete-event" handler, we won't need it anymore */
        g_signal_handler_disconnect (window, handler_id);
 
        /* Destroy the window */
        g_object_unref (win->data);
        g_list_free (win);
-       
+
        MODEST_WINDOW_MGR_CLASS (parent_class)->unregister_window (self, window);
 
+       /* We have to get the number of windows here in order not to
+          emit the signal too many times */
+       num_windows = modest_window_mgr_get_num_windows (self);
+
        /* If there are no more windows registered emit the signal */
-       if (modest_window_mgr_num_windows (self) == 0)
+       if (num_windows == 0)
                g_signal_emit_by_name (self, "window-list-empty");
 }
 
 
-
 static void
 modest_hildon2_window_mgr_set_fullscreen_mode (ModestWindowMgr *self,
                                               gboolean on)
@@ -662,10 +623,12 @@ modest_hildon2_window_mgr_get_main_window (ModestWindowMgr *self, gboolean show)
 {
        ModestHildon2WindowMgrPrivate *priv;
        ModestWindow *result;
-       
+
        g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), NULL);
        priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
-       
+
+       /* TODO: make this return NULL always */
+
        result = MODEST_WINDOW_MGR_CLASS (parent_class)->get_main_window (self, FALSE);
        /* create the main window, if it hasn't been created yet */
        if (!result && show) {
@@ -730,3 +693,134 @@ 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;
+       ModestHildon2WindowMgrPrivate *priv;
+
+       /* Return accounts window */
+       initial_window = MODEST_WINDOW (modest_accounts_window_new ());
+       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;
+}
+
+
+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)
+{
+       return (MODEST_IS_FOLDER_WINDOW (a)) ? 0 : 1;
+}
+
+ModestWindow *
+modest_hildon2_window_mgr_get_folder_window (ModestHildon2WindowMgr *self)
+{
+       ModestHildon2WindowMgrPrivate *priv;
+       GList *window;
+
+       g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), NULL);
+
+       priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
+
+       window = g_list_find_custom (priv->window_list,
+                                    NULL,
+                                    find_folder_window);
+
+       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);
+}
+