+ priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
+
+ /* Remember the message list's TreeModel so we can detect changes
+ * and change the list selection when necessary: */
+
+ main_window = modest_window_mgr_get_main_window(mgr, FALSE); /* don't create */
+ if (main_window) {
+ header_view = MODEST_HEADER_VIEW(modest_main_window_get_child_widget(
+ MODEST_MAIN_WINDOW(main_window),
+ MODEST_MAIN_WINDOW_WIDGET_TYPE_HEADER_VIEW));
+ }
+
+ if (header_view != NULL){
+ header_folder = modest_header_view_get_folder(header_view);
+ /* This could happen if the header folder was
+ unseleted before opening this msg window (for
+ example if the user selects an account in the
+ folder view of the main window */
+ if (header_folder) {
+ priv->is_outbox = (modest_tny_folder_guess_folder_type (header_folder) == TNY_FOLDER_TYPE_OUTBOX);
+ priv->header_folder_id = tny_folder_get_id(header_folder);
+ g_assert(priv->header_folder_id != NULL);
+ g_object_unref(header_folder);
+ }
+ }
+
+ /* Setup row references and connect signals */
+ priv->header_model = g_object_ref (model);
+
+ if (row_reference) {
+ priv->row_reference = gtk_tree_row_reference_copy (row_reference);
+ priv->next_row_reference = gtk_tree_row_reference_copy (row_reference);
+ select_next_valid_row (model, &(priv->next_row_reference), TRUE);
+ } else {
+ priv->row_reference = NULL;
+ priv->next_row_reference = NULL;
+ }
+
+ /* Connect signals */
+ priv->row_changed_handler =
+ g_signal_connect (GTK_TREE_MODEL(model), "row-changed",
+ G_CALLBACK(modest_msg_view_window_on_row_changed),
+ window);
+ priv->row_deleted_handler =
+ g_signal_connect (GTK_TREE_MODEL(model), "row-deleted",
+ G_CALLBACK(modest_msg_view_window_on_row_deleted),
+ window);
+ priv->row_inserted_handler =
+ g_signal_connect (GTK_TREE_MODEL(model), "row-inserted",
+ G_CALLBACK(modest_msg_view_window_on_row_inserted),
+ window);
+ priv->rows_reordered_handler =
+ g_signal_connect(GTK_TREE_MODEL(model), "rows-reordered",
+ G_CALLBACK(modest_msg_view_window_on_row_reordered),
+ window);
+
+ if (header_view != NULL){
+ modest_header_view_add_observer(header_view,
+ MODEST_HEADER_VIEW_OBSERVER(window));
+ }
+
+ tny_msg_view_set_msg (TNY_MSG_VIEW (priv->msg_view), msg);
+ update_window_title (MODEST_MSG_VIEW_WINDOW (window));
+ gtk_widget_show_all (GTK_WIDGET (window));
+ modest_msg_view_window_update_priority (window);
+
+ /* Check dimming rules */
+ modest_ui_actions_check_toolbar_dimming_rules (MODEST_WINDOW (window));
+ modest_ui_actions_check_menu_dimming_rules (MODEST_WINDOW (window));
+ modest_window_check_dimming_rules_group (MODEST_WINDOW (window), MODEST_DIMMING_RULES_CLIPBOARD);
+
+ return MODEST_WINDOW(window);
+}
+
+ModestWindow *
+modest_msg_view_window_new_for_search_result (TnyMsg *msg,
+ const gchar *modest_account_name,
+ const gchar *msg_uid)
+{
+ ModestMsgViewWindow *window = NULL;
+ ModestMsgViewWindowPrivate *priv = NULL;
+ ModestWindowMgr *mgr = NULL;
+
+ mgr = modest_runtime_get_window_mgr ();
+ window = MODEST_MSG_VIEW_WINDOW (modest_window_mgr_get_msg_view_window (mgr));
+ g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), NULL);
+ modest_msg_view_window_construct (window, modest_account_name, msg_uid);
+
+ priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
+
+ /* Remember that this is a search result,
+ * so we can disable some UI appropriately: */
+ priv->is_search_result = TRUE;
+
+ tny_msg_view_set_msg (TNY_MSG_VIEW (priv->msg_view), msg);
+
+ update_window_title (window);
+ gtk_widget_show_all (GTK_WIDGET (window));
+ modest_msg_view_window_update_priority (window);
+
+ /* Check dimming rules */
+ modest_ui_actions_check_toolbar_dimming_rules (MODEST_WINDOW (window));
+ modest_ui_actions_check_menu_dimming_rules (MODEST_WINDOW (window));
+ modest_window_check_dimming_rules_group (MODEST_WINDOW (window), MODEST_DIMMING_RULES_CLIPBOARD);
+
+ return MODEST_WINDOW(window);
+}
+
+ModestWindow *
+modest_msg_view_window_new_for_attachment (TnyMsg *msg,
+ const gchar *modest_account_name,
+ const gchar *msg_uid)
+{
+ GObject *obj = NULL;
+ ModestMsgViewWindowPrivate *priv;
+ ModestWindowMgr *mgr = NULL;
+
+ g_return_val_if_fail (msg, NULL);
+ mgr = modest_runtime_get_window_mgr ();
+ obj = G_OBJECT (modest_window_mgr_get_msg_view_window (mgr));
+ priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (obj);
+ modest_msg_view_window_construct (MODEST_MSG_VIEW_WINDOW (obj),
+ modest_account_name, msg_uid);
+
+ tny_msg_view_set_msg (TNY_MSG_VIEW (priv->msg_view), msg);
+ update_window_title (MODEST_MSG_VIEW_WINDOW (obj));
+
+ gtk_widget_show_all (GTK_WIDGET (obj));
+
+ /* Check dimming rules */
+ modest_ui_actions_check_toolbar_dimming_rules (MODEST_WINDOW (obj));
+ modest_ui_actions_check_menu_dimming_rules (MODEST_WINDOW (obj));
+ modest_window_check_dimming_rules_group (MODEST_WINDOW (obj), MODEST_DIMMING_RULES_CLIPBOARD);
+
+ return MODEST_WINDOW(obj);
+}
+
+static void
+modest_msg_view_window_on_row_changed (GtkTreeModel *header_model,
+ GtkTreePath *arg1,
+ GtkTreeIter *arg2,
+ ModestMsgViewWindow *window)
+{
+ check_dimming_rules_after_change (window);
+}
+
+static void
+modest_msg_view_window_on_row_deleted(GtkTreeModel *header_model,
+ GtkTreePath *arg1,
+ ModestMsgViewWindow *window)
+{
+ check_dimming_rules_after_change (window);
+}
+
+static gboolean
+check_dimming_rules_after_change_in_idle (gpointer data)
+{
+ /* The window could have dissapeared */
+ if (MODEST_IS_WINDOW (data)) {
+ ModestWindow *win = MODEST_WINDOW (data);
+ gdk_threads_enter ();
+ modest_ui_actions_check_menu_dimming_rules (win);
+ modest_ui_actions_check_toolbar_dimming_rules (win);
+ gdk_threads_leave ();
+ }
+
+ return FALSE;
+}
+
+static void
+check_dimming_rules_after_change (ModestMsgViewWindow *window)
+{
+ static guint dimming_delayer = 0;
+
+ if (dimming_delayer > 0)
+ g_source_remove (dimming_delayer);
+
+ /* We're expecting a lot of changes at the same time so don't
+ need to check dimming rules for every change that
+ happens */
+ dimming_delayer = g_timeout_add (100, check_dimming_rules_after_change_in_idle, window);
+}
+
+
+/* On insertions we check if the folder still has the message we are
+ * showing or do not. If do not, we do nothing. Which means we are still
+ * not attached to any header folder and thus next/prev buttons are
+ * still dimmed. Once the message that is shown by msg-view is found, the
+ * new model of header-view will be attached and the references will be set.
+ * On each further insertions dimming rules will be checked. However
+ * this requires extra CPU time at least works.
+ * (An message might be deleted from TnyFolder and thus will not be
+ * inserted into the model again for example if it is removed by the
+ * imap server and the header view is refreshed.)
+ */
+static void
+modest_msg_view_window_on_row_inserted (GtkTreeModel *model,
+ GtkTreePath *tree_path,
+ GtkTreeIter *tree_iter,
+ ModestMsgViewWindow *window)
+{
+ ModestMsgViewWindowPrivate *priv = NULL;
+ TnyHeader *header = NULL;
+
+ g_return_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window));
+ priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
+
+ g_assert (model == priv->header_model);
+
+ /* Check if the newly inserted message is the same we are actually
+ * showing. IF not, we should remain detached from the header model
+ * and thus prev and next toolbar buttons should remain dimmed. */
+ gtk_tree_model_get (model, tree_iter,
+ TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
+ &header, -1);
+
+ if (TNY_IS_HEADER (header)) {
+ gchar *uid = NULL;
+
+ uid = modest_tny_folder_get_header_unique_id (header);
+ if (!g_str_equal(priv->msg_uid, uid)) {
+ check_dimming_rules_after_change (window);
+ g_free(uid);
+ g_object_unref (G_OBJECT(header));
+ return;
+ }
+ g_free(uid);
+ g_object_unref(G_OBJECT(header));
+ }
+
+ if (priv->row_reference) {
+ gtk_tree_row_reference_free (priv->row_reference);
+ }
+
+ /* Setup row_reference for the actual msg. */
+ priv->row_reference = gtk_tree_row_reference_new (priv->header_model, tree_path);
+ if (priv->row_reference == NULL) {
+ g_warning("No reference for msg header item.");
+ return;
+ }
+
+ /* Now set up next_row_reference. */
+ if (priv->next_row_reference) {
+ gtk_tree_row_reference_free (priv->next_row_reference);
+ }
+
+ priv->next_row_reference = gtk_tree_row_reference_copy (priv->row_reference);
+ select_next_valid_row (priv->header_model,
+ &(priv->next_row_reference), FALSE);
+
+ /* Connect the remaining callbacks to become able to detect
+ * changes in header-view. */
+ priv->row_changed_handler =
+ g_signal_connect (priv->header_model, "row-changed",
+ G_CALLBACK (modest_msg_view_window_on_row_changed),
+ window);
+ priv->row_deleted_handler =
+ g_signal_connect (priv->header_model, "row-deleted",
+ G_CALLBACK (modest_msg_view_window_on_row_deleted),
+ window);
+ priv->rows_reordered_handler =
+ g_signal_connect (priv->header_model, "rows-reordered",
+ G_CALLBACK (modest_msg_view_window_on_row_reordered),
+ window);
+
+ check_dimming_rules_after_change (window);
+}
+
+static void
+modest_msg_view_window_on_row_reordered (GtkTreeModel *header_model,
+ GtkTreePath *arg1,
+ GtkTreeIter *arg2,
+ gpointer arg3,
+ ModestMsgViewWindow *window)
+{
+ ModestMsgViewWindowPrivate *priv = NULL;
+ gboolean already_changed = FALSE;
+
+ priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(window);
+
+ /* If the current row was reordered select the proper next
+ valid row. The same if the next row reference changes */
+ if (priv->row_reference &&
+ gtk_tree_row_reference_valid (priv->row_reference)) {
+ GtkTreePath *path;
+ path = gtk_tree_row_reference_get_path (priv->row_reference);
+ if (gtk_tree_path_compare (path, arg1) == 0) {
+ if (priv->next_row_reference) {
+ gtk_tree_row_reference_free (priv->next_row_reference);
+ }
+ priv->next_row_reference = gtk_tree_row_reference_copy (priv->row_reference);
+ select_next_valid_row (header_model, &(priv->next_row_reference), FALSE);
+ already_changed = TRUE;
+ }
+ gtk_tree_path_free (path);
+ }
+ if (!already_changed &&
+ priv->next_row_reference &&
+ gtk_tree_row_reference_valid (priv->next_row_reference)) {
+ GtkTreePath *path;
+ path = gtk_tree_row_reference_get_path (priv->next_row_reference);
+ if (gtk_tree_path_compare (path, arg1) == 0) {
+ if (priv->next_row_reference) {
+ gtk_tree_row_reference_free (priv->next_row_reference);
+ }
+ priv->next_row_reference = gtk_tree_row_reference_copy (priv->row_reference);
+ select_next_valid_row (header_model, &(priv->next_row_reference), FALSE);
+ }
+ gtk_tree_path_free (path);
+ }
+ check_dimming_rules_after_change (window);
+}
+
+/* The modest_msg_view_window_update_model_replaced implements update
+ * function for ModestHeaderViewObserver. Checks whether the TnyFolder
+ * actually belongs to the header-view is the same as the TnyFolder of
+ * the message of msg-view or not. If they are different, there is
+ * nothing to do. If they are the same, then the model has replaced and
+ * the reference in msg-view shall be replaced from the old model to
+ * the new model. In this case the view will be detached from it's
+ * header folder. From this point the next/prev buttons are dimmed.
+ */
+static void
+modest_msg_view_window_update_model_replaced (ModestHeaderViewObserver *observer,
+ GtkTreeModel *model,
+ const gchar *tny_folder_id)
+{
+ ModestMsgViewWindowPrivate *priv = NULL;
+ ModestMsgViewWindow *window = NULL;
+
+ g_assert(MODEST_IS_HEADER_VIEW_OBSERVER(observer));
+ g_assert(MODEST_IS_MSG_VIEW_WINDOW(observer));
+
+ window = MODEST_MSG_VIEW_WINDOW(observer);
+ priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(window);
+
+ /* If there is an other folder in the header-view then we do
+ * not care about it's model (msg list). Else if the
+ * header-view shows the folder the msg shown by us is in, we
+ * shall replace our model reference and make some check. */
+ if(model == NULL || tny_folder_id == NULL ||
+ (priv->header_folder_id && !g_str_equal(tny_folder_id, priv->header_folder_id)))
+ return;
+
+ /* Model is changed(replaced), so we should forget the old
+ * one. Because there might be other references and there
+ * might be some change on the model even if we unreferenced
+ * it, we need to disconnect our signals here. */
+ if (priv->header_model) {
+ if (g_signal_handler_is_connected(G_OBJECT (priv->header_model),
+ priv->row_changed_handler))
+ g_signal_handler_disconnect(G_OBJECT (priv->header_model),
+ priv->row_changed_handler);
+ if (g_signal_handler_is_connected(G_OBJECT (priv->header_model),
+ priv->row_deleted_handler))
+ g_signal_handler_disconnect(G_OBJECT (priv->header_model),
+ priv->row_deleted_handler);
+ if (g_signal_handler_is_connected(G_OBJECT (priv->header_model),
+ priv->row_inserted_handler))
+ g_signal_handler_disconnect(G_OBJECT (priv->header_model),
+ priv->row_inserted_handler);
+ if (g_signal_handler_is_connected(G_OBJECT (priv->header_model),
+ priv->rows_reordered_handler))
+ g_signal_handler_disconnect(G_OBJECT (priv->header_model),
+ priv->rows_reordered_handler);
+
+ /* Frees */
+ if (priv->row_reference)
+ gtk_tree_row_reference_free (priv->row_reference);
+ if (priv->next_row_reference)
+ gtk_tree_row_reference_free (priv->next_row_reference);
+ g_object_unref(priv->header_model);
+
+ /* Initialize */
+ priv->row_changed_handler = 0;
+ priv->row_deleted_handler = 0;
+ priv->row_inserted_handler = 0;
+ priv->rows_reordered_handler = 0;
+ priv->next_row_reference = NULL;
+ priv->row_reference = NULL;
+ priv->header_model = NULL;
+ }
+
+ priv->header_model = g_object_ref (model);
+
+ /* Also we must connect to the new model for row insertions.
+ * Only for insertions now. We will need other ones only after
+ * the msg is show by msg-view is added to the new model. */
+ priv->row_inserted_handler =
+ g_signal_connect (priv->header_model, "row-inserted",
+ G_CALLBACK(modest_msg_view_window_on_row_inserted),
+ window);
+
+ modest_ui_actions_check_menu_dimming_rules(MODEST_WINDOW(window));
+ modest_ui_actions_check_toolbar_dimming_rules(MODEST_WINDOW(window));
+}
+
+gboolean
+modest_msg_view_window_toolbar_on_transfer_mode (ModestMsgViewWindow *self)
+{
+ ModestMsgViewWindowPrivate *priv= NULL;
+
+ g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (self), FALSE);
+ priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (self);
+
+ return priv->current_toolbar_mode == TOOLBAR_MODE_TRANSFER;
+}
+
+TnyHeader*
+modest_msg_view_window_get_header (ModestMsgViewWindow *self)
+{
+ ModestMsgViewWindowPrivate *priv= NULL;
+ TnyMsg *msg = NULL;
+ TnyHeader *header = NULL;
+ GtkTreePath *path = NULL;
+ GtkTreeIter iter;
+
+ g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (self), NULL);
+ priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (self);