Add method to get the folder without accessing network.
[modest] / src / hildon2 / modest-hildon2-window-mgr.c
index 859235b..879a300 100644 (file)
 
 #include <string.h>
 #include <hildon/hildon.h>
+#include "modest-hildon2-window.h"
 #include "modest-hildon2-window-mgr.h"
 #include "modest-msg-edit-window.h"
+#include "modest-mailboxes-window.h"
 #include "modest-header-window.h"
 #include "modest-main-window.h"
 #include "modest-conf.h"
@@ -77,6 +79,9 @@ static void modest_hildon2_window_mgr_set_modal (ModestWindowMgr *self,
 static gboolean modest_hildon2_window_mgr_find_registered_header (ModestWindowMgr *self, 
                                                                  TnyHeader *header,
                                                                  ModestWindow **win);
+static gboolean modest_hildon2_window_mgr_find_registered_message_uid (ModestWindowMgr *self, 
+                                                                      const gchar *msg_uid,
+                                                                      ModestWindow **win);
 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);
@@ -84,8 +89,12 @@ 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 modest_hildon2_window_mgr_create_caches (ModestWindowMgr *self);
 static void osso_display_event_cb (osso_display_state_t state, 
                                   gpointer data);
+static void on_account_removed (TnyAccountStore *acc_store, 
+                               TnyAccount *account,
+                               gpointer user_data);
 
 typedef struct _ModestHildon2WindowMgrPrivate ModestHildon2WindowMgrPrivate;
 struct _ModestHildon2WindowMgrPrivate {
@@ -159,11 +168,13 @@ modest_hildon2_window_mgr_class_init (ModestHildon2WindowMgrClass *klass)
        mgr_class->get_modal = modest_hildon2_window_mgr_get_modal;
        mgr_class->set_modal = modest_hildon2_window_mgr_set_modal;
        mgr_class->find_registered_header = modest_hildon2_window_mgr_find_registered_header;
+       mgr_class->find_registered_message_uid = modest_hildon2_window_mgr_find_registered_message_uid;
        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;
+       mgr_class->create_caches = modest_hildon2_window_mgr_create_caches;
 
        g_type_class_add_private (gobject_class, sizeof(ModestHildon2WindowMgrPrivate));
 
@@ -210,12 +221,11 @@ modest_hildon2_window_mgr_finalize (GObject *obj)
        priv->window_state_uids = NULL;
 
        osso_hw_set_display_event_cb (modest_maemo_utils_get_osso_context (),
-                                     NULL,
-                                     NULL); 
+                                     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);
+               g_signal_handler_disconnect (acc_store, priv->accounts_handler);
 
        if (priv->window_list) {
                GList *iter = priv->window_list;
@@ -305,13 +315,34 @@ compare_msguids (ModestWindow *win,
        } else {
                msg_uid = modest_msg_view_window_get_message_uid (MODEST_MSG_VIEW_WINDOW (win));
        }
-       
+
        if (msg_uid && uid &&!strcmp (msg_uid, uid))
                return 0;
        else
                return 1;
 }
 
+static gint
+compare_headers (ModestWindow *win,
+                TnyHeader *header)
+{
+       TnyHeader *my_header;
+       gint result = 1;
+
+       if (!MODEST_IS_MSG_VIEW_WINDOW (win))
+               return 1;
+
+       /* Get message uid from msg window */
+       my_header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW (win));
+       if (my_header) {
+               if (my_header == header)
+                       result = 0;
+               g_object_unref (my_header);
+       }
+       return result;
+}
+
+
 static gboolean
 modest_hildon2_window_mgr_find_registered_header (ModestWindowMgr *self, TnyHeader *header,
                                                  ModestWindow **win)
@@ -348,6 +379,38 @@ modest_hildon2_window_mgr_find_registered_header (ModestWindowMgr *self, TnyHead
        return has_header || has_window;
 }
 
+static gboolean
+modest_hildon2_window_mgr_find_registered_message_uid (ModestWindowMgr *self, const gchar *msg_uid,
+                                                      ModestWindow **win)
+{
+       ModestHildon2WindowMgrPrivate *priv = NULL;
+       gboolean has_header, has_window = FALSE;
+       GList *item = NULL;
+
+       g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), FALSE);
+       g_return_val_if_fail (msg_uid && msg_uid[0] != '\0', FALSE);
+       
+       priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
+
+       has_header = MODEST_WINDOW_MGR_CLASS (parent_class)->find_registered_message_uid (self, msg_uid, win);
+       
+       item = g_list_find_custom (priv->window_list, msg_uid, (GCompareFunc) compare_msguids);
+       if (item) {
+               has_window = TRUE;
+               if (win) {
+                       if ((!MODEST_IS_MSG_VIEW_WINDOW(item->data)) && 
+                           (!MODEST_IS_MSG_EDIT_WINDOW (item->data)))
+                               g_debug ("not a valid window!");
+                       else {
+                               g_debug ("found a window");
+                               *win = MODEST_WINDOW (item->data);
+                       }
+               }
+       }
+       
+       return has_header || has_window;
+}
+
 static GList *
 modest_hildon2_window_mgr_get_window_list (ModestWindowMgr *self)
 {
@@ -370,12 +433,36 @@ modest_hildon2_window_mgr_register_window (ModestWindowMgr *self,
        HildonWindowStack *stack;
        gboolean nested_msg = FALSE;
        ModestWindow *current_top;
+       GtkWidget *modal;
 
        g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), FALSE);
        g_return_val_if_fail (GTK_IS_WINDOW (window), FALSE);
 
        priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 
+       /* Check that there is no active modal dialog */
+       modal = (GtkWidget *) modest_window_mgr_get_modal (self);
+       while (modal && GTK_IS_DIALOG (modal)) {
+               GtkWidget *parent;
+
+               /* Get the parent */
+               parent = (GtkWidget *) gtk_window_get_transient_for (GTK_WINDOW (modal));
+
+               /* Try to close it */
+               gtk_dialog_response (GTK_DIALOG (modal), GTK_RESPONSE_DELETE_EVENT);
+
+               /* Maybe the dialog was not closed, because a close
+                  confirmation dialog for example. Then ignore the
+                  register process */
+               if (GTK_IS_WINDOW (modal)) {
+                       gtk_window_present (GTK_WINDOW (modal));
+                       return FALSE;
+               }
+
+               /* Get next modal */
+               modal = parent;
+       }
+
        stack = hildon_window_stack_get_default ();
        current_top = (ModestWindow *) hildon_window_stack_peek (stack);
 
@@ -383,16 +470,79 @@ modest_hildon2_window_mgr_register_window (ModestWindowMgr *self,
        if (win) {
                /* this is for the case we want to register the window
                   and it was already registered */
-               gtk_window_present (GTK_WINDOW (win));
+               gtk_window_present (GTK_WINDOW (window));
+               return FALSE;
+       }
+
+       /* Do not allow standalone editors or standalone viewers */
+       if (!current_top &&
+           (MODEST_IS_MSG_VIEW_WINDOW (window) ||
+            MODEST_IS_MSG_EDIT_WINDOW (window)))
+               modest_window_mgr_show_initial_window (self);
+
+       if (MODEST_IS_MSG_VIEW_WINDOW (window)) {
+               gchar *uid;
+               TnyHeader *header;
+
+               uid = g_strdup (modest_msg_view_window_get_message_uid (MODEST_MSG_VIEW_WINDOW (window)));
+               
+               header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW (window));
+
+               if (uid == NULL)
+                       uid = modest_tny_folder_get_header_unique_id (header);
+               /* Embedded messages do not have uid */
+               if (uid) {
+                       if (g_list_find_custom (priv->window_list, uid, (GCompareFunc) compare_msguids)) {
+                               g_debug ("%s found another view window showing the same header", __FUNCTION__);
+                               g_free (uid);
+                               g_object_unref (header);
+                               return FALSE;
+                       }
+                       g_free (uid);
+               } else if (header) {
+                       if (g_list_find_custom (priv->window_list, header, (GCompareFunc) compare_headers)) {
+                               g_debug ("%s found another view window showing the same header", __FUNCTION__);
+                               g_object_unref (header);
+                               return FALSE;
+                       }
+               }
+               if (header)
+                       g_object_unref (header);
+       }
+
+       /* Do not go backwards */
+       if ((MODEST_IS_MSG_VIEW_WINDOW (current_top) || MODEST_IS_MSG_EDIT_WINDOW (current_top)) &&
+           (MODEST_IS_FOLDER_WINDOW (window) || MODEST_IS_ACCOUNTS_WINDOW (window) || 
+            MODEST_IS_MAILBOXES_WINDOW (window))) {
+               gtk_window_present (GTK_WINDOW (window));
                return FALSE;
        }
 
        if (MODEST_IS_FOLDER_WINDOW (current_top) && MODEST_IS_FOLDER_WINDOW (window)) {
-               g_debug ("Trying to register a second folder window is not allowed");
+               gtk_window_present (GTK_WINDOW (window));
+               return FALSE;
+       }
+
+       if (MODEST_IS_MAILBOXES_WINDOW (current_top) && MODEST_IS_MAILBOXES_WINDOW (window)) {
+               gtk_window_present (GTK_WINDOW (window));
+               return FALSE;
+       }
+
+       /* Mailboxes window can not replace folder windows */
+       if (MODEST_IS_FOLDER_WINDOW (current_top) && MODEST_IS_MAILBOXES_WINDOW (window)) {
                gtk_window_present (GTK_WINDOW (current_top));
                return FALSE;
        }
 
+       /* Trying to open a folders window and a mailboxes window at
+          the same time from the accounts window is not allowed */
+       if (MODEST_IS_MAILBOXES_WINDOW (current_top) &&
+           MODEST_IS_FOLDER_WINDOW (window) &&
+           MODEST_IS_ACCOUNTS_WINDOW (parent)) {
+               gtk_window_present (GTK_WINDOW (window));
+               return FALSE;
+       }
+
        if (MODEST_IS_HEADER_WINDOW (current_top) && MODEST_IS_HEADER_WINDOW (window)) {
                g_debug ("Trying to register a second header window is not allowed");
                gtk_window_present (GTK_WINDOW (current_top));
@@ -406,7 +556,7 @@ modest_hildon2_window_mgr_register_window (ModestWindowMgr *self,
        g_object_ref (window);
        priv->window_list = g_list_prepend (priv->window_list, window);
 
-       nested_msg = MODEST_IS_MSG_VIEW_WINDOW (window) && 
+       nested_msg = MODEST_IS_MSG_VIEW_WINDOW (window) &&
                MODEST_IS_MSG_VIEW_WINDOW (parent);
 
        /* Close views if they're being shown. Nevertheless we must
@@ -464,7 +614,9 @@ cancel_window_operations (ModestWindow *window)
                GSList* tmp_list = NULL;
 
                type = modest_mail_operation_get_type_operation (MODEST_MAIL_OPERATION (pending_ops->data));
-               if (type == MODEST_MAIL_OPERATION_TYPE_RECEIVE || type == MODEST_MAIL_OPERATION_TYPE_OPEN) {
+               if (type == MODEST_MAIL_OPERATION_TYPE_RECEIVE ||
+                   type == MODEST_MAIL_OPERATION_TYPE_OPEN ||
+                   type == MODEST_MAIL_OPERATION_TYPE_SEND_AND_RECEIVE) {
                        modest_mail_operation_cancel (pending_ops->data);
                }
                g_object_unref (G_OBJECT (pending_ops->data));
@@ -542,13 +694,12 @@ on_window_destroy (ModestWindow *window,
 
                                /* If there is not enough space
                                   available for saving the message
-                                  then show an error and do not close
-                                  the window */
+                                  then show an error and close the
+                                  window without saving */
                                if (expected_size >= available_size) {
                                        modest_platform_run_information_dialog (GTK_WINDOW (edit_window),
                                                                                _("mail_in_ui_save_error"),
                                                                                FALSE);
-                                       return TRUE;
                                } else {
                                        if (!modest_ui_actions_on_save_to_drafts (NULL, MODEST_MSG_EDIT_WINDOW (window)))
                                                return TRUE;
@@ -582,7 +733,7 @@ modest_hildon2_window_mgr_unregister_window (ModestWindowMgr *self,
 
        win = g_list_find (priv->window_list, window);
        if (!win) {
-               g_warning ("Trying to unregister a window that has not being registered yet");
+               g_debug ("Trying to unregister a window that has not being registered yet");
                return;
        }
 
@@ -696,32 +847,59 @@ modest_hildon2_window_mgr_get_main_window (ModestWindowMgr *self, gboolean show)
                gtk_widget_show_all (GTK_WIDGET (result));
                gtk_window_present (GTK_WINDOW (result));
        }
-       
+
        return result;
 }
 
+static gint
+look_for_transient (gconstpointer a,
+                   gconstpointer b)
+{
+       GtkWindow *win, *child;
+
+       if (a == b)
+               return 1;
+
+       child = (GtkWindow *) b;
+       win = (GtkWindow *) a;
+
+       if (gtk_window_get_transient_for (win) == child)
+               return 0;
+       else
+               return 1;
+}
 
 static GtkWindow *
 modest_hildon2_window_mgr_get_modal (ModestWindowMgr *self)
 {
        ModestHildon2WindowMgrPrivate *priv;
        GList *toplevel_list;
-       GtkWidget *toplevel;
-       
+       GtkWidget *current_top, *toplevel;
+       HildonWindowStack *stack;
+
        g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), NULL);
        priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 
-       toplevel = NULL;
+       /* Get current top */
+       stack = hildon_window_stack_get_default ();
+       current_top = hildon_window_stack_peek (stack);
+       toplevel = current_top;
        toplevel_list = gtk_window_list_toplevels ();
-       while (toplevel_list) {
-               if (gtk_window_is_active (toplevel_list->data)) {
-                       toplevel = toplevel_list->data;
+
+       while (toplevel) {
+               GList *parent_link;
+
+               parent_link = g_list_find_custom (toplevel_list, toplevel, look_for_transient);
+               if (parent_link)
+                       toplevel = (GtkWidget *) parent_link->data;
+               else
                        break;
-               }
-               toplevel_list = g_list_next (toplevel_list);
        }
 
-       return NULL;
+       if (toplevel && GTK_WIDGET_VISIBLE (toplevel) && gtk_window_get_modal ((GtkWindow *) toplevel))
+               return (GtkWindow *) toplevel;
+       else
+               return NULL;
 }
 
 
@@ -738,27 +916,21 @@ modest_hildon2_window_mgr_set_modal (ModestWindowMgr *self,
        gtk_window_set_destroy_with_parent (window, TRUE);
 }
 
-static ModestWindow *
-create_folders_view (ModestWindowMgr *self)
-{
-       GtkWidget *folders_window;
-       ModestAccountMgr *mgr;
-       const gchar *acc_name;
-
-       folders_window = (GtkWidget *) modest_folder_window_new (NULL);
-       mgr = modest_runtime_get_account_mgr ();
-       acc_name = modest_account_mgr_get_default_account (mgr);
-       if (!acc_name)
-               acc_name = MODEST_LOCAL_FOLDERS_ACCOUNT_NAME;
-       modest_folder_window_set_account (MODEST_FOLDER_WINDOW (folders_window),
-                                         acc_name);
-       if (modest_window_mgr_register_window (self, MODEST_WINDOW (folders_window), NULL)) {
-               gtk_widget_show (folders_window);
-       } else {
-               gtk_widget_destroy (folders_window);
-               folders_window = NULL;
+static void
+close_all_but_first (HildonWindowStack *stack)
+{
+       gint num_windows, i;
+       gboolean retval;
+
+       num_windows = hildon_window_stack_size (stack);
+
+       for (i = 0; i < (num_windows - 1); i++) {
+               GtkWidget *current_top;
+
+               /* Close window */
+               current_top = hildon_window_stack_peek (stack);
+               g_signal_emit_by_name (G_OBJECT (current_top), "delete-event", NULL, &retval);
        }
-       return MODEST_WINDOW (folders_window);
 }
 
 static void
@@ -768,7 +940,6 @@ on_account_removed (TnyAccountStore *acc_store,
 {
        HildonWindowStack *stack;
        ModestWindow *current_top;
-       gboolean has_accounts;
 
        /* Ignore transport account removals */
        if (TNY_IS_TRANSPORT_ACCOUNT (account))
@@ -776,13 +947,6 @@ on_account_removed (TnyAccountStore *acc_store,
 
        stack = hildon_window_stack_get_default ();
        current_top = (ModestWindow *) hildon_window_stack_peek (stack);
-       has_accounts = modest_account_mgr_has_accounts (modest_runtime_get_account_mgr (), TRUE);
-
-       if (current_top &&
-           MODEST_IS_ACCOUNTS_WINDOW (current_top) &&
-           !has_accounts) {
-               create_folders_view (MODEST_WINDOW_MGR (user_data));
-       }
 
        /* if we're showing the header view of the currently deleted
           account, or the outbox and we deleted the last account,
@@ -790,43 +954,28 @@ on_account_removed (TnyAccountStore *acc_store,
        if (current_top && MODEST_IS_HEADER_WINDOW (current_top)) {
                ModestHeaderView *header_view;
                TnyFolder *folder;
-               gboolean deleted = FALSE;
 
                header_view = modest_header_window_get_header_view (MODEST_HEADER_WINDOW (current_top));
                folder = modest_header_view_get_folder (header_view);
                if (folder) {
-                       gboolean retval;
-
                        /* Close if it's my account */
                        if (!TNY_IS_MERGE_FOLDER (folder)) {
                                TnyAccount *my_account;
 
                                my_account = tny_folder_get_account (folder);
                                if (my_account) {
-                                       if (my_account == account) {
-                                               g_signal_emit_by_name (G_OBJECT (current_top),
-                                                                      "delete-event",
-                                                                      NULL, &retval);
-                                               deleted = TRUE;
-                                       }
+                                       if (my_account == account)
+                                               close_all_but_first (stack);
+
                                        g_object_unref (my_account);
                                }
                        }
 
                        /* Close if viewing outbox and no account left */
-                       if (tny_folder_get_folder_type (folder) == TNY_FOLDER_TYPE_OUTBOX) {
-                               if (!has_accounts) {
-                                       g_signal_emit_by_name (G_OBJECT (current_top),
-                                                              "delete-event",
-                                                              NULL, &retval);
-                                       deleted = TRUE;
-                               }
-                       }
-                       g_object_unref (folder);
+                       if (tny_folder_get_folder_type (folder) == TNY_FOLDER_TYPE_OUTBOX)
+                               close_all_but_first (stack);
 
-                       if (deleted) {
-                               current_top = (ModestWindow *) hildon_window_stack_peek (stack);
-                       }
+                       g_object_unref (folder);
                }
        }
 }
@@ -835,40 +984,25 @@ static ModestWindow *
 modest_hildon2_window_mgr_show_initial_window (ModestWindowMgr *self)
 {
        ModestWindow *initial_window = NULL;
-        ModestTnyAccountStore *acc_store;
        ModestHildon2WindowMgrPrivate *priv;
 
+       priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
+
+       /* Connect to the account store "account-removed" signal". We
+          do this here because in the init the singletons are still
+          not initialized properly */
+       if (!g_signal_handler_is_connected (modest_runtime_get_account_store (),
+                                           priv->accounts_handler)) {
+               priv->accounts_handler = g_signal_connect (modest_runtime_get_account_store (),
+                                                          "account-removed",
+                                                          G_CALLBACK (on_account_removed),
+                                                          self);
+       }
+
        /* 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) {
-               ModestWindow *win;
-               /* 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));
-
-               win = create_folders_view (MODEST_WINDOW_MGR (self));
-               if (win)
-                       initial_window = win;
-       }
-
-       /* 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;
 }
 
@@ -917,6 +1051,17 @@ modest_hildon2_window_mgr_screen_is_on (ModestWindowMgr *self)
        return (priv->display_state == OSSO_DISPLAY_ON) ? TRUE : FALSE;
 }
 
+static void
+modest_hildon2_window_mgr_create_caches (ModestWindowMgr *self)
+{
+       g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
+
+       modest_accounts_window_pre_create ();
+
+       MODEST_WINDOW_MGR_CLASS(parent_class)->create_caches (self);
+       
+}
+
 static void 
 osso_display_event_cb (osso_display_state_t state, 
                       gpointer data)