+
+/*****************************************************************************/
+/* DRAG and DROP stuff */
+/*****************************************************************************/
+/*
+ * This function fills the #GtkSelectionData with the row and the
+ * model that has been dragged. It's called when this widget is a
+ * source for dnd after the event drop happened
+ */
+static void
+on_drag_data_get (GtkWidget *widget, GdkDragContext *context, GtkSelectionData *selection_data,
+ guint info, guint time, gpointer data)
+{
+ GtkTreeSelection *selection;
+ GtkTreeModel *model;
+ GtkTreeIter iter;
+ GtkTreePath *source_row;
+
+ selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (widget));
+ if (gtk_tree_selection_get_selected (selection, &model, &iter)) {
+
+ source_row = gtk_tree_model_get_path (model, &iter);
+ gtk_tree_set_row_drag_data (selection_data,
+ model,
+ source_row);
+
+ gtk_tree_path_free (source_row);
+ }
+}
+
+typedef struct _DndHelper {
+ gboolean delete_source;
+ GtkTreePath *source_row;
+ GdkDragContext *context;
+ guint time;
+} DndHelper;
+
+static void
+dnd_helper_destroyer (DndHelper *helper)
+{
+ /* Free the helper */
+ gtk_tree_path_free (helper->source_row);
+ g_slice_free (DndHelper, helper);
+}
+
+/*
+ * This function is the callback of the
+ * modest_mail_operation_xfer_msgs () and
+ * modest_mail_operation_xfer_folder() calls. We check here if the
+ * message/folder was correctly asynchronously transferred. The reason
+ * to use the same callback is that the code is the same, it only has
+ * to check that the operation went fine and then finalize the drag
+ * and drop action
+ */
+static void
+xfer_cb (ModestMailOperation *mail_op,
+ gpointer user_data)
+{
+ gboolean success;
+ DndHelper *helper;
+
+ helper = (DndHelper *) user_data;
+
+ if (modest_mail_operation_get_status (mail_op) ==
+ MODEST_MAIL_OPERATION_STATUS_SUCCESS) {
+ success = TRUE;
+ } else {
+ success = FALSE;
+ }
+
+ /* Notify the drag source. Never call delete, the monitor will
+ do the job if needed */
+ gtk_drag_finish (helper->context, success, FALSE, helper->time);
+
+ /* Free the helper */
+ dnd_helper_destroyer (helper);
+}
+
+/* get the folder for the row the treepath refers to. */
+/* folder must be unref'd */
+static TnyFolderStore *
+tree_path_to_folder (GtkTreeModel *model, GtkTreePath *path)
+{
+ GtkTreeIter iter;
+ TnyFolderStore *folder = NULL;
+
+ if (gtk_tree_model_get_iter (model,&iter, path))
+ gtk_tree_model_get (model, &iter,
+ TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN, &folder,
+ -1);
+ return folder;
+}
+
+/*
+ * This function is used by drag_data_received_cb to manage drag and
+ * drop of a header, i.e, and drag from the header view to the folder
+ * view.
+ */
+static void
+drag_and_drop_from_header_view (GtkTreeModel *source_model,
+ GtkTreeModel *dest_model,
+ GtkTreePath *dest_row,
+ GtkSelectionData *selection_data,
+ DndHelper *helper)
+{
+ TnyList *headers = NULL;
+ TnyFolder *folder = NULL;
+ TnyFolderType folder_type;
+ ModestMailOperation *mail_op = NULL;
+ GtkTreeIter source_iter, dest_iter;
+ ModestWindowMgr *mgr = NULL;
+ ModestWindow *main_win = NULL;
+ gchar **uris, **tmp;
+ gint response;
+
+ /* Build the list of headers */
+ mgr = modest_runtime_get_window_mgr ();
+ headers = tny_simple_list_new ();
+ uris = modest_dnd_selection_data_get_paths (selection_data);
+ tmp = uris;
+
+ while (*tmp != NULL) {
+ TnyHeader *header;
+ GtkTreePath *path;
+
+ /* Get header */
+ path = gtk_tree_path_new_from_string (*tmp);
+ gtk_tree_model_get_iter (source_model, &source_iter, path);
+ gtk_tree_model_get (source_model, &source_iter,
+ TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
+ &header, -1);
+
+ /* Do not enable d&d of headers already opened */
+ if (!modest_window_mgr_find_registered_header(mgr, header, NULL))
+ tny_list_append (headers, G_OBJECT (header));
+
+ /* Free and go on */
+ gtk_tree_path_free (path);
+ g_object_unref (header);
+ tmp++;
+ }
+ g_strfreev (uris);
+
+ /* Get the target folder */
+ gtk_tree_model_get_iter (dest_model, &dest_iter, dest_row);
+ gtk_tree_model_get (dest_model, &dest_iter,
+ TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN,
+ &folder, -1);
+
+ if (!folder || !TNY_IS_FOLDER(folder)) {
+/* g_warning ("%s: not a valid target folder (%p)", __FUNCTION__, folder); */
+ goto cleanup;
+ }
+
+ folder_type = modest_tny_folder_guess_folder_type (folder);
+ if (folder_type == TNY_FOLDER_TYPE_INVALID) {
+/* g_warning ("%s: invalid target folder", __FUNCTION__); */
+ goto cleanup; /* cannot move messages there */
+ }
+
+ if (modest_tny_folder_get_rules((TNY_FOLDER(folder))) & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE) {
+/* g_warning ("folder not writable"); */
+ goto cleanup; /* verboten! */
+ }
+
+ /* Ask for confirmation to move */
+ main_win = modest_window_mgr_get_main_window (mgr, FALSE); /* don't create */
+ if (!main_win) {
+ g_warning ("%s: BUG: no main window found", __FUNCTION__);
+ goto cleanup;
+ }
+
+ response = modest_ui_actions_msgs_move_to_confirmation (main_win, folder,
+ TRUE, headers);
+ if (response == GTK_RESPONSE_CANCEL)
+ goto cleanup;
+
+ /* Transfer messages */
+ mail_op = modest_mail_operation_new_with_error_handling ((GObject *) main_win,
+ modest_ui_actions_move_folder_error_handler,
+ NULL, NULL);
+
+ modest_mail_operation_queue_add (modest_runtime_get_mail_operation_queue (),
+ mail_op);
+
+ modest_mail_operation_xfer_msgs (mail_op,
+ headers,
+ folder,
+ helper->delete_source,
+ xfer_cb, helper);
+
+ /* Frees */
+cleanup:
+ if (G_IS_OBJECT(mail_op))
+ g_object_unref (G_OBJECT (mail_op));
+ if (G_IS_OBJECT(folder))
+ g_object_unref (G_OBJECT (folder));
+ if (G_IS_OBJECT(headers))
+ g_object_unref (headers);
+}
+
+typedef struct {
+ TnyFolderStore *src_folder;
+ TnyFolderStore *dst_folder;
+ DndHelper *helper;
+} DndFolderInfo;
+
+static void
+dnd_folder_info_destroyer (DndFolderInfo *info)
+{
+ if (info->src_folder)
+ g_object_unref (info->src_folder);
+ if (info->dst_folder)
+ g_object_unref (info->dst_folder);
+ g_slice_free (DndFolderInfo, info);
+}
+
+static void
+dnd_on_connection_failed_destroyer (DndFolderInfo *info,
+ GtkWindow *parent_window,
+ TnyAccount *account)
+{
+ time_t dnd_time = info->helper->time;
+ GdkDragContext *context = info->helper->context;
+
+ /* Show error */
+ modest_ui_actions_on_account_connection_error (parent_window, account);
+
+ /* Free the helper & info */
+ dnd_helper_destroyer (info->helper);
+ dnd_folder_info_destroyer (info);
+
+ /* Notify the drag source. Never call delete, the monitor will
+ do the job if needed */
+ gtk_drag_finish (context, FALSE, FALSE, dnd_time);
+ return;
+}
+
+static void
+drag_and_drop_from_folder_view_src_folder_performer (gboolean canceled,
+ GError *err,
+ GtkWindow *parent_window,
+ TnyAccount *account,
+ gpointer user_data)
+{
+ DndFolderInfo *info = NULL;
+ ModestMailOperation *mail_op;
+
+ info = (DndFolderInfo *) user_data;
+
+ if (err || canceled) {
+ dnd_on_connection_failed_destroyer (info, parent_window, account);
+ return;
+ }
+
+ /* Do the mail operation */
+ mail_op = modest_mail_operation_new_with_error_handling ((GObject *) parent_window,
+ modest_ui_actions_move_folder_error_handler,
+ info->src_folder, NULL);
+
+ modest_mail_operation_queue_add (modest_runtime_get_mail_operation_queue (),
+ mail_op);
+
+ /* Transfer the folder */
+ modest_mail_operation_xfer_folder (mail_op,
+ TNY_FOLDER (info->src_folder),
+ info->dst_folder,
+ info->helper->delete_source,
+ xfer_cb,
+ info->helper);
+
+ g_object_unref (G_OBJECT (mail_op));
+}
+
+
+static void
+drag_and_drop_from_folder_view_dst_folder_performer (gboolean canceled,
+ GError *err,
+ GtkWindow *parent_window,
+ TnyAccount *account,
+ gpointer user_data)
+{
+ DndFolderInfo *info = NULL;
+
+ info = (DndFolderInfo *) user_data;
+
+ if (err || canceled) {
+ dnd_on_connection_failed_destroyer (info, parent_window, account);
+ return;
+ }
+
+ /* Connect to source folder and perform the copy/move */
+ modest_platform_connect_if_remote_and_perform (NULL,
+ info->src_folder,
+ drag_and_drop_from_folder_view_src_folder_performer,
+ info);
+}
+
+/*
+ * This function is used by drag_data_received_cb to manage drag and
+ * drop of a folder, i.e, and drag from the folder view to the same
+ * folder view.
+ */
+static void
+drag_and_drop_from_folder_view (GtkTreeModel *source_model,
+ GtkTreeModel *dest_model,
+ GtkTreePath *dest_row,
+ GtkSelectionData *selection_data,
+ DndHelper *helper)
+{
+ GtkTreeIter dest_iter, iter;
+ TnyFolderStore *dest_folder = NULL;
+ TnyFolderStore *folder = NULL;
+ gboolean forbidden = FALSE;
+ ModestWindow *win;
+ DndFolderInfo *info = NULL;
+
+ win = modest_window_mgr_get_main_window (modest_runtime_get_window_mgr(), FALSE); /* don't create */
+ if (!win) {
+ g_warning ("%s: BUG: no main window", __FUNCTION__);
+ return;
+ }
+
+ if (!forbidden) {
+ /* check the folder rules for the destination */
+ folder = tree_path_to_folder (dest_model, dest_row);
+ if (TNY_IS_FOLDER(folder)) {
+ ModestTnyFolderRules rules =
+ modest_tny_folder_get_rules (TNY_FOLDER (folder));
+ forbidden = rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE;
+ } else if (TNY_IS_FOLDER_STORE(folder)) {
+ /* enable local root as destination for folders */
+ if (!MODEST_IS_TNY_LOCAL_FOLDERS_ACCOUNT (folder)
+ && TNY_IS_ACCOUNT (folder))
+ forbidden = TRUE;
+ }
+ g_object_unref (folder);
+ }
+ if (!forbidden) {
+ /* check the folder rules for the source */
+ folder = tree_path_to_folder (source_model, helper->source_row);
+ if (TNY_IS_FOLDER(folder)) {
+ ModestTnyFolderRules rules =
+ modest_tny_folder_get_rules (TNY_FOLDER (folder));
+ forbidden = rules & MODEST_FOLDER_RULES_FOLDER_NON_MOVEABLE;
+ } else
+ forbidden = TRUE;
+ g_object_unref (folder);
+ }
+
+
+ /* Check if the drag is possible */
+ if (forbidden || !gtk_tree_path_compare (helper->source_row, dest_row)) {
+ gtk_drag_finish (helper->context, FALSE, FALSE, helper->time);
+ gtk_tree_path_free (helper->source_row);
+ g_slice_free (DndHelper, helper);
+ return;
+ }
+
+ /* Get data */
+ gtk_tree_model_get_iter (dest_model, &dest_iter, dest_row);
+ gtk_tree_model_get (dest_model, &dest_iter,
+ TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN,
+ &dest_folder, -1);
+ gtk_tree_model_get_iter (source_model, &iter, helper->source_row);
+ gtk_tree_model_get (source_model, &iter,
+ TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN,
+ &folder, -1);
+
+ /* Create the info for the performer */
+ info = g_slice_new (DndFolderInfo);
+ info->src_folder = g_object_ref (folder);
+ info->dst_folder = g_object_ref (dest_folder);
+ info->helper = helper;
+
+ /* Connect to the destination folder and perform the copy/move */
+ modest_platform_connect_if_remote_and_perform (GTK_WINDOW (win),
+ dest_folder,
+ drag_and_drop_from_folder_view_dst_folder_performer,
+ info);
+
+ /* Frees */
+ g_object_unref (dest_folder);
+ g_object_unref (folder);
+}
+
+/*
+ * This function receives the data set by the "drag-data-get" signal
+ * handler. This information comes within the #GtkSelectionData. This
+ * function will manage both the drags of folders of the treeview and
+ * drags of headers of the header view widget.
+ */
+static void
+on_drag_data_received (GtkWidget *widget,
+ GdkDragContext *context,
+ gint x,
+ gint y,
+ GtkSelectionData *selection_data,
+ guint target_type,
+ guint time,
+ gpointer data)
+{
+ GtkWidget *source_widget;
+ GtkTreeModel *dest_model, *source_model;
+ GtkTreePath *source_row, *dest_row;
+ GtkTreeViewDropPosition pos;
+ gboolean success = FALSE, delete_source = FALSE;
+ DndHelper *helper = NULL;
+
+ /* Do not allow further process */
+ g_signal_stop_emission_by_name (widget, "drag-data-received");
+ source_widget = gtk_drag_get_source_widget (context);
+
+ /* Get the action */
+ if (context->action == GDK_ACTION_MOVE) {
+ delete_source = TRUE;
+
+ /* Notify that there is no folder selected. We need to
+ do this in order to update the headers view (and
+ its monitors, because when moving, the old folder
+ won't longer exist. We can not wait for the end of
+ the operation, because the operation won't start if
+ the folder is in use */
+ if (source_widget == widget) {
+ GtkTreeSelection *sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (widget));
+ gtk_tree_selection_unselect_all (sel);
+ }
+ }
+
+ /* Check if the get_data failed */
+ if (selection_data == NULL || selection_data->length < 0)
+ gtk_drag_finish (context, success, FALSE, time);
+
+ /* Select the destination model */
+ dest_model = gtk_tree_view_get_model (GTK_TREE_VIEW (widget));
+
+ /* Get the path to the destination row. Can not call
+ gtk_tree_view_get_drag_dest_row() because the source row
+ is not selected anymore */
+ gtk_tree_view_get_dest_row_at_pos (GTK_TREE_VIEW (widget), x, y,
+ &dest_row, &pos);
+
+ /* Only allow drops IN other rows */
+ if (!dest_row ||
+ pos == GTK_TREE_VIEW_DROP_BEFORE ||
+ pos == GTK_TREE_VIEW_DROP_AFTER)
+ gtk_drag_finish (context, success, FALSE, time);
+
+ /* Create the helper */
+ helper = g_slice_new0 (DndHelper);
+ helper->delete_source = delete_source;
+ helper->context = context;
+ helper->time = time;
+
+ /* Drags from the header view */
+ if (source_widget != widget) {
+ source_model = gtk_tree_view_get_model (GTK_TREE_VIEW (source_widget));
+
+ drag_and_drop_from_header_view (source_model,
+ dest_model,
+ dest_row,
+ selection_data,
+ helper);
+ } else {
+ /* Get the source model and row */
+ gtk_tree_get_row_drag_data (selection_data,
+ &source_model,
+ &source_row);
+ helper->source_row = gtk_tree_path_copy (source_row);
+
+ drag_and_drop_from_folder_view (source_model,
+ dest_model,
+ dest_row,
+ selection_data,
+ helper);
+
+ gtk_tree_path_free (source_row);
+ }
+
+ /* Frees */
+ gtk_tree_path_free (dest_row);
+}
+
+/*
+ * We define a "drag-drop" signal handler because we do not want to
+ * use the default one, because the default one always calls
+ * gtk_drag_finish and we prefer to do it in the "drag-data-received"
+ * signal handler, because there we have all the information available
+ * to know if the dnd was a success or not.
+ */
+static gboolean
+drag_drop_cb (GtkWidget *widget,
+ GdkDragContext *context,
+ gint x,
+ gint y,
+ guint time,
+ gpointer user_data)
+{
+ gpointer target;
+
+ if (!context->targets)
+ return FALSE;
+
+ /* Check if we're dragging a folder row */
+ target = gtk_drag_dest_find_target (widget, context, NULL);
+
+ /* Request the data from the source. */
+ gtk_drag_get_data(widget, context, target, time);
+
+ return TRUE;
+}
+
+/*
+ * This function expands a node of a tree view if it's not expanded
+ * yet. Not sure why it needs the threads stuff, but gtk+`example code
+ * does that, so that's why they're here.
+ */
+static gint
+expand_row_timeout (gpointer data)
+{
+ GtkTreeView *tree_view = data;
+ GtkTreePath *dest_path = NULL;
+ GtkTreeViewDropPosition pos;
+ gboolean result = FALSE;
+
+ gdk_threads_enter ();
+
+ gtk_tree_view_get_drag_dest_row (tree_view,
+ &dest_path,
+ &pos);
+
+ if (dest_path &&
+ (pos == GTK_TREE_VIEW_DROP_INTO_OR_AFTER ||
+ pos == GTK_TREE_VIEW_DROP_INTO_OR_BEFORE)) {
+ gtk_tree_view_expand_row (tree_view, dest_path, FALSE);
+ gtk_tree_path_free (dest_path);
+ }
+ else {
+ if (dest_path)
+ gtk_tree_path_free (dest_path);
+
+ result = TRUE;
+ }
+
+ gdk_threads_leave ();
+
+ return result;
+}
+
+/*
+ * This function is called whenever the pointer is moved over a widget
+ * while dragging some data. It installs a timeout that will expand a
+ * node of the treeview if not expanded yet. This function also calls
+ * gdk_drag_status in order to set the suggested action that will be
+ * used by the "drag-data-received" signal handler to know if we
+ * should do a move or just a copy of the data.
+ */
+static gboolean
+on_drag_motion (GtkWidget *widget,
+ GdkDragContext *context,
+ gint x,
+ gint y,
+ guint time,
+ gpointer user_data)
+{
+ GtkTreeViewDropPosition pos;
+ GtkTreePath *dest_row;
+ GtkTreeModel *dest_model;
+ ModestFolderViewPrivate *priv;
+ GdkDragAction suggested_action;
+ gboolean valid_location = FALSE;
+ TnyFolderStore *folder = NULL;
+
+ priv = MODEST_FOLDER_VIEW_GET_PRIVATE (widget);
+
+ if (priv->timer_expander != 0) {
+ g_source_remove (priv->timer_expander);
+ priv->timer_expander = 0;
+ }
+
+ gtk_tree_view_get_dest_row_at_pos (GTK_TREE_VIEW (widget),
+ x, y,
+ &dest_row,
+ &pos);
+
+ /* Do not allow drops between folders */
+ if (!dest_row ||
+ pos == GTK_TREE_VIEW_DROP_BEFORE ||
+ pos == GTK_TREE_VIEW_DROP_AFTER) {
+ gtk_tree_view_set_drag_dest_row(GTK_TREE_VIEW (widget), NULL, 0);
+ gdk_drag_status(context, 0, time);
+ valid_location = FALSE;
+ goto out;
+ } else {
+ valid_location = TRUE;
+ }
+
+ /* Check that the destination folder is writable */
+ dest_model = gtk_tree_view_get_model (GTK_TREE_VIEW (widget));
+ folder = tree_path_to_folder (dest_model, dest_row);
+ if (folder && TNY_IS_FOLDER (folder)) {
+ ModestTnyFolderRules rules = modest_tny_folder_get_rules(TNY_FOLDER (folder));
+
+ if (rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE) {
+ valid_location = FALSE;
+ goto out;
+ }
+ }
+
+ /* Expand the selected row after 1/2 second */
+ if (!gtk_tree_view_row_expanded (GTK_TREE_VIEW (widget), dest_row)) {
+ gtk_tree_view_set_drag_dest_row (GTK_TREE_VIEW (widget), dest_row, pos);
+ priv->timer_expander = g_timeout_add (500, expand_row_timeout, widget);
+ }
+
+ /* Select the desired action. By default we pick MOVE */
+ suggested_action = GDK_ACTION_MOVE;
+
+ if (context->actions == GDK_ACTION_COPY)
+ gdk_drag_status(context, GDK_ACTION_COPY, time);
+ else if (context->actions == GDK_ACTION_MOVE)
+ gdk_drag_status(context, GDK_ACTION_MOVE, time);
+ else if (context->actions & suggested_action)
+ gdk_drag_status(context, suggested_action, time);
+ else
+ gdk_drag_status(context, GDK_ACTION_DEFAULT, time);
+
+ out:
+ if (folder)
+ g_object_unref (folder);
+ if (dest_row)
+ gtk_tree_path_free (dest_row);
+ g_signal_stop_emission_by_name (widget, "drag-motion");
+
+ return valid_location;
+}
+
+/*
+ * This function sets the treeview as a source and a target for dnd
+ * events. It also connects all the requirede signals.
+ */
+static void
+setup_drag_and_drop (GtkTreeView *self)
+{
+ /* Set up the folder view as a dnd destination. Set only the
+ highlight flag, otherwise gtk will have a different
+ behaviour */
+ gtk_drag_dest_set (GTK_WIDGET (self),
+ GTK_DEST_DEFAULT_HIGHLIGHT,
+ folder_view_drag_types,
+ G_N_ELEMENTS (folder_view_drag_types),
+ GDK_ACTION_MOVE | GDK_ACTION_COPY);
+
+ g_signal_connect (G_OBJECT (self),
+ "drag_data_received",
+ G_CALLBACK (on_drag_data_received),
+ NULL);
+
+
+ /* Set up the treeview as a dnd source */
+ gtk_drag_source_set (GTK_WIDGET (self),
+ GDK_BUTTON1_MASK,
+ folder_view_drag_types,
+ G_N_ELEMENTS (folder_view_drag_types),
+ GDK_ACTION_MOVE | GDK_ACTION_COPY);
+
+ g_signal_connect (G_OBJECT (self),
+ "drag_motion",
+ G_CALLBACK (on_drag_motion),
+ NULL);
+
+ g_signal_connect (G_OBJECT (self),
+ "drag_data_get",
+ G_CALLBACK (on_drag_data_get),
+ NULL);
+
+ g_signal_connect (G_OBJECT (self),
+ "drag_drop",
+ G_CALLBACK (drag_drop_cb),
+ NULL);
+}
+
+/*
+ * This function manages the navigation through the folders using the
+ * keyboard or the hardware keys in the device
+ */
+static gboolean
+on_key_pressed (GtkWidget *self,
+ GdkEventKey *event,
+ gpointer user_data)
+{
+ GtkTreeSelection *selection;
+ GtkTreeIter iter;
+ GtkTreeModel *model;
+ gboolean retval = FALSE;
+
+ /* Up and Down are automatically managed by the treeview */
+ if (event->keyval == GDK_Return) {
+ /* Expand/Collapse the selected row */
+ selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
+ if (gtk_tree_selection_get_selected (selection, &model, &iter)) {
+ GtkTreePath *path;
+
+ path = gtk_tree_model_get_path (model, &iter);
+
+ if (gtk_tree_view_row_expanded (GTK_TREE_VIEW (self), path))
+ gtk_tree_view_collapse_row (GTK_TREE_VIEW (self), path);
+ else
+ gtk_tree_view_expand_row (GTK_TREE_VIEW (self), path, FALSE);
+ gtk_tree_path_free (path);
+ }
+ /* No further processing */
+ retval = TRUE;
+ }
+
+ return retval;
+}
+
+/*
+ * We listen to the changes in the local folder account name key,
+ * because we want to show the right name in the view. The local
+ * folder account name corresponds to the device name in the Maemo
+ * version. We do this because we do not want to query gconf on each
+ * tree view refresh. It's better to cache it and change whenever
+ * necessary.
+ */
+static void
+on_configuration_key_changed (ModestConf* conf,
+ const gchar *key,
+ ModestConfEvent event,
+ ModestConfNotificationId id,
+ ModestFolderView *self)
+{
+ ModestFolderViewPrivate *priv;
+
+
+ g_return_if_fail (MODEST_IS_FOLDER_VIEW (self));
+ priv = MODEST_FOLDER_VIEW_GET_PRIVATE(self);
+
+ if (!strcmp (key, MODEST_CONF_DEVICE_NAME)) {
+ g_free (priv->local_account_name);
+
+ if (event == MODEST_CONF_EVENT_KEY_UNSET)
+ priv->local_account_name = g_strdup (MODEST_LOCAL_FOLDERS_DEFAULT_DISPLAY_NAME);
+ else
+ priv->local_account_name = modest_conf_get_string (modest_runtime_get_conf(),
+ MODEST_CONF_DEVICE_NAME, NULL);
+
+ /* Force a redraw */
+#if GTK_CHECK_VERSION(2, 8, 0)
+ GtkTreeViewColumn * tree_column;
+
+ tree_column = gtk_tree_view_get_column (GTK_TREE_VIEW (self),
+ TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN);
+ gtk_tree_view_column_queue_resize (tree_column);
+#else
+ gtk_widget_queue_draw (GTK_WIDGET (self));
+#endif
+ }
+}
+
+void
+modest_folder_view_set_style (ModestFolderView *self,
+ ModestFolderViewStyle style)
+{
+ ModestFolderViewPrivate *priv;
+
+ g_return_if_fail (self && MODEST_IS_FOLDER_VIEW(self));
+ g_return_if_fail (style == MODEST_FOLDER_VIEW_STYLE_SHOW_ALL ||
+ style == MODEST_FOLDER_VIEW_STYLE_SHOW_ONE);
+
+ priv = MODEST_FOLDER_VIEW_GET_PRIVATE(self);
+
+
+ priv->style = style;
+}
+
+void
+modest_folder_view_set_account_id_of_visible_server_account (ModestFolderView *self,
+ const gchar *account_id)
+{
+ ModestFolderViewPrivate *priv;
+ GtkTreeModel *model;
+
+ g_return_if_fail (self && MODEST_IS_FOLDER_VIEW(self));
+
+ priv = MODEST_FOLDER_VIEW_GET_PRIVATE(self);
+
+ /* This will be used by the filter_row callback,
+ * to decided which rows to show: */
+ if (priv->visible_account_id) {
+ g_free (priv->visible_account_id);
+ priv->visible_account_id = NULL;
+ }
+ if (account_id)
+ priv->visible_account_id = g_strdup (account_id);
+
+ /* Refilter */
+ model = gtk_tree_view_get_model (GTK_TREE_VIEW (self));
+ if (GTK_IS_TREE_MODEL_FILTER (model))
+ gtk_tree_model_filter_refilter (GTK_TREE_MODEL_FILTER (model));
+
+ /* Save settings to gconf */
+ modest_widget_memory_save (modest_runtime_get_conf (), G_OBJECT(self),
+ MODEST_CONF_FOLDER_VIEW_KEY);
+}
+
+const gchar *
+modest_folder_view_get_account_id_of_visible_server_account (ModestFolderView *self)
+{
+ ModestFolderViewPrivate *priv;
+
+ g_return_val_if_fail (self && MODEST_IS_FOLDER_VIEW(self), NULL);
+
+ priv = MODEST_FOLDER_VIEW_GET_PRIVATE(self);
+
+ return (const gchar *) priv->visible_account_id;
+}
+
+static gboolean
+find_inbox_iter (GtkTreeModel *model, GtkTreeIter *iter, GtkTreeIter *inbox_iter)
+{
+ do {
+ GtkTreeIter child;
+ TnyFolderType type = TNY_FOLDER_TYPE_UNKNOWN;
+
+ gtk_tree_model_get (model, iter,
+ TNY_GTK_FOLDER_STORE_TREE_MODEL_TYPE_COLUMN,
+ &type, -1);
+
+ gboolean result = FALSE;
+ if (type == TNY_FOLDER_TYPE_INBOX) {
+ result = TRUE;
+ }
+ if (result) {
+ *inbox_iter = *iter;
+ return TRUE;
+ }
+
+ if (gtk_tree_model_iter_children (model, &child, iter)) {
+ if (find_inbox_iter (model, &child, inbox_iter))
+ return TRUE;
+ }
+
+ } while (gtk_tree_model_iter_next (model, iter));
+
+ return FALSE;
+}
+
+
+
+
+void
+modest_folder_view_select_first_inbox_or_local (ModestFolderView *self)
+{
+ GtkTreeModel *model;
+ GtkTreeIter iter, inbox_iter;
+ GtkTreeSelection *sel;
+ GtkTreePath *path = NULL;
+
+ g_return_if_fail (self && MODEST_IS_FOLDER_VIEW(self));
+
+ model = gtk_tree_view_get_model (GTK_TREE_VIEW (self));
+ if (!model)
+ return;
+
+ expand_root_items (self);
+ sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
+
+ if (!gtk_tree_model_get_iter_first (model, &iter)) {
+ g_warning ("%s: model is empty", __FUNCTION__);
+ return;
+ }
+
+ if (find_inbox_iter (model, &iter, &inbox_iter))
+ path = gtk_tree_model_get_path (model, &inbox_iter);
+ else
+ path = gtk_tree_path_new_first ();
+
+ /* Select the row and free */
+ gtk_tree_view_set_cursor (GTK_TREE_VIEW (self), path, NULL, FALSE);
+ gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW (self), path, NULL, FALSE, 0.0, 0.0);
+ gtk_tree_path_free (path);
+
+ /* set focus */
+ gtk_widget_grab_focus (GTK_WIDGET(self));
+}
+
+
+/* recursive */
+static gboolean
+find_folder_iter (GtkTreeModel *model, GtkTreeIter *iter, GtkTreeIter *folder_iter,
+ TnyFolder* folder)
+{
+ do {
+ GtkTreeIter child;
+ TnyFolderType type = TNY_FOLDER_TYPE_UNKNOWN;
+ TnyFolder* a_folder;
+ gchar *name = NULL;
+
+ gtk_tree_model_get (model, iter,
+ TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN, &a_folder,
+ TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN, &name,
+ TNY_GTK_FOLDER_STORE_TREE_MODEL_TYPE_COLUMN, &type,
+ -1);
+ g_free (name);
+
+ if (folder == a_folder) {
+ g_object_unref (a_folder);
+ *folder_iter = *iter;
+ return TRUE;
+ }
+ g_object_unref (a_folder);
+
+ if (gtk_tree_model_iter_children (model, &child, iter)) {
+ if (find_folder_iter (model, &child, folder_iter, folder))
+ return TRUE;
+ }
+
+ } while (gtk_tree_model_iter_next (model, iter));
+
+ return FALSE;
+}
+
+
+static void
+on_row_inserted_maybe_select_folder (GtkTreeModel *tree_model, GtkTreePath *path, GtkTreeIter *iter,
+ ModestFolderView *self)
+{
+ ModestFolderViewPrivate *priv = NULL;
+ GtkTreeSelection *sel;
+ TnyFolderType type = TNY_FOLDER_TYPE_UNKNOWN;
+ GObject *instance = NULL;
+
+ if (!MODEST_IS_FOLDER_VIEW(self))
+ return;
+
+ priv = MODEST_FOLDER_VIEW_GET_PRIVATE (self);
+
+ priv->reexpand = TRUE;
+
+ gtk_tree_model_get (tree_model, iter,
+ TNY_GTK_FOLDER_STORE_TREE_MODEL_TYPE_COLUMN, &type,
+ TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN, &instance,
+ -1);
+ if (type == TNY_FOLDER_TYPE_INBOX && priv->folder_to_select == NULL) {
+ priv->folder_to_select = g_object_ref (instance);
+ }
+ g_object_unref (instance);
+
+
+ if (priv->folder_to_select) {
+
+ if (!modest_folder_view_select_folder (self, priv->folder_to_select,
+ FALSE)) {
+ GtkTreePath *path;
+ path = gtk_tree_model_get_path (tree_model, iter);
+ gtk_tree_view_expand_to_path (GTK_TREE_VIEW(self), path);
+
+ sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
+
+ gtk_tree_selection_select_iter (sel, iter);
+ gtk_tree_view_set_cursor (GTK_TREE_VIEW(self), path, NULL, FALSE);
+
+ gtk_tree_path_free (path);
+
+ }
+
+ /* Disable next */
+ modest_folder_view_disable_next_folder_selection (self);
+/* g_object_unref (priv->folder_to_select); */
+/* priv->folder_to_select = NULL; */
+
+ /* Refilter the model */
+ gtk_tree_model_filter_refilter (GTK_TREE_MODEL_FILTER (tree_model));
+ }
+}
+
+
+void
+modest_folder_view_disable_next_folder_selection (ModestFolderView *self)
+{
+ ModestFolderViewPrivate *priv;
+
+ g_return_if_fail (self && MODEST_IS_FOLDER_VIEW(self));
+
+ priv = MODEST_FOLDER_VIEW_GET_PRIVATE (self);
+
+ if (priv->folder_to_select)
+ g_object_unref(priv->folder_to_select);
+
+ priv->folder_to_select = NULL;
+}
+
+gboolean
+modest_folder_view_select_folder (ModestFolderView *self, TnyFolder *folder,
+ gboolean after_change)
+{
+ GtkTreeModel *model;
+ GtkTreeIter iter, folder_iter;
+ GtkTreeSelection *sel;
+ ModestFolderViewPrivate *priv = NULL;
+
+ g_return_val_if_fail (self && MODEST_IS_FOLDER_VIEW (self), FALSE);
+ g_return_val_if_fail (folder && TNY_IS_FOLDER (folder), FALSE);
+
+ priv = MODEST_FOLDER_VIEW_GET_PRIVATE (self);
+
+ if (after_change) {
+ sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
+ gtk_tree_selection_unselect_all (sel);
+
+ if (priv->folder_to_select)
+ g_object_unref(priv->folder_to_select);
+ priv->folder_to_select = TNY_FOLDER(g_object_ref(folder));
+ return TRUE;
+ }
+
+ model = gtk_tree_view_get_model (GTK_TREE_VIEW (self));
+ if (!model)
+ return FALSE;
+
+ if (!gtk_tree_model_get_iter_first (model, &iter)) {
+ g_warning ("%s: model is empty", __FUNCTION__);
+ return FALSE;
+ }
+
+ if (find_folder_iter (model, &iter, &folder_iter, folder)) {
+ GtkTreePath *path;
+
+ path = gtk_tree_model_get_path (model, &folder_iter);
+ gtk_tree_view_expand_to_path (GTK_TREE_VIEW(self), path);
+
+ sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
+ gtk_tree_selection_select_iter (sel, &folder_iter);
+ gtk_tree_view_set_cursor (GTK_TREE_VIEW(self), path, NULL, FALSE);
+
+ gtk_tree_path_free (path);
+ return TRUE;
+ }
+ return FALSE;
+}
+
+
+void
+modest_folder_view_copy_selection (ModestFolderView *self)
+{
+ g_return_if_fail (self && MODEST_IS_FOLDER_VIEW(self));
+
+ /* Copy selection */
+ _clipboard_set_selected_data (self, FALSE);
+}
+
+void
+modest_folder_view_cut_selection (ModestFolderView *folder_view)
+{
+ ModestFolderViewPrivate *priv = NULL;
+ GtkTreeModel *model = NULL;
+ const gchar **hidding = NULL;
+ guint i, n_selected;
+
+ g_return_if_fail (folder_view && MODEST_IS_FOLDER_VIEW (folder_view));
+ priv = MODEST_FOLDER_VIEW_GET_PRIVATE (folder_view);
+
+ /* Copy selection */
+ if (!_clipboard_set_selected_data (folder_view, TRUE))
+ return;
+
+ /* Get hidding ids */
+ hidding = modest_email_clipboard_get_hidding_ids (priv->clipboard, &n_selected);
+
+ /* Clear hidding array created by previous cut operation */
+ _clear_hidding_filter (MODEST_FOLDER_VIEW (folder_view));
+
+ /* Copy hidding array */
+ priv->n_selected = n_selected;
+ priv->hidding_ids = g_malloc0(sizeof(gchar *) * n_selected);
+ for (i=0; i < n_selected; i++)
+ priv->hidding_ids[i] = g_strdup(hidding[i]);
+
+ /* Hide cut folders */
+ model = gtk_tree_view_get_model (GTK_TREE_VIEW (folder_view));
+ gtk_tree_model_filter_refilter (GTK_TREE_MODEL_FILTER (model));
+}
+
+void
+modest_folder_view_copy_model (ModestFolderView *folder_view_src,
+ ModestFolderView *folder_view_dst)
+{
+ GtkTreeModel *filter_model = NULL;
+ GtkTreeModel *model = NULL;
+ GtkTreeModel *new_filter_model = NULL;
+
+ g_return_if_fail (folder_view_src && MODEST_IS_FOLDER_VIEW (folder_view_src));
+ g_return_if_fail (folder_view_dst && MODEST_IS_FOLDER_VIEW (folder_view_dst));
+
+ /* Get src model*/
+ filter_model = gtk_tree_view_get_model (GTK_TREE_VIEW (folder_view_src));
+ model = gtk_tree_model_filter_get_model (GTK_TREE_MODEL_FILTER(filter_model));
+
+ /* Build new filter model */
+ new_filter_model = gtk_tree_model_filter_new (model, NULL);
+ gtk_tree_model_filter_set_visible_func (GTK_TREE_MODEL_FILTER (new_filter_model),
+ filter_row,
+ folder_view_dst,
+ NULL);
+ /* Set copied model */
+ gtk_tree_view_set_model (GTK_TREE_VIEW (folder_view_dst), new_filter_model);
+ g_signal_connect (G_OBJECT(new_filter_model), "row-inserted",
+ (GCallback) on_row_inserted_maybe_select_folder, folder_view_dst);
+
+ /* Free */
+ g_object_unref (new_filter_model);
+}
+
+void
+modest_folder_view_show_non_move_folders (ModestFolderView *folder_view,
+ gboolean show)
+{
+ GtkTreeModel *model = NULL;
+ ModestFolderViewPrivate* priv;
+
+ g_return_if_fail (folder_view && MODEST_IS_FOLDER_VIEW (folder_view));
+
+ priv = MODEST_FOLDER_VIEW_GET_PRIVATE(folder_view);
+ priv->show_non_move = show;
+/* modest_folder_view_update_model(folder_view, */
+/* TNY_ACCOUNT_STORE(modest_runtime_get_account_store())); */
+
+ /* Hide special folders */
+ model = gtk_tree_view_get_model (GTK_TREE_VIEW (folder_view));
+ if (GTK_IS_TREE_MODEL_FILTER (model)) {
+ gtk_tree_model_filter_refilter (GTK_TREE_MODEL_FILTER (model));
+ }
+}
+
+/* Returns FALSE if it did not selected anything */
+static gboolean
+_clipboard_set_selected_data (ModestFolderView *folder_view,
+ gboolean delete)
+{
+ ModestFolderViewPrivate *priv = NULL;
+ TnyFolderStore *folder = NULL;
+ gboolean retval = FALSE;
+
+ g_return_val_if_fail (MODEST_IS_FOLDER_VIEW (folder_view), FALSE);
+ priv = MODEST_FOLDER_VIEW_GET_PRIVATE (folder_view);
+
+ /* Set selected data on clipboard */
+ g_return_val_if_fail (MODEST_IS_EMAIL_CLIPBOARD (priv->clipboard), FALSE);
+ folder = modest_folder_view_get_selected (folder_view);
+
+ /* Do not allow to select an account */
+ if (TNY_IS_FOLDER (folder)) {
+ modest_email_clipboard_set_data (priv->clipboard, TNY_FOLDER(folder), NULL, delete);
+ retval = TRUE;
+ }
+
+ /* Free */
+ g_object_unref (folder);
+
+ return retval;
+}
+
+static void
+_clear_hidding_filter (ModestFolderView *folder_view)
+{
+ ModestFolderViewPrivate *priv;
+ guint i;
+
+ g_return_if_fail (MODEST_IS_FOLDER_VIEW (folder_view));
+ priv = MODEST_FOLDER_VIEW_GET_PRIVATE(folder_view);
+
+ if (priv->hidding_ids != NULL) {
+ for (i=0; i < priv->n_selected; i++)
+ g_free (priv->hidding_ids[i]);
+ g_free(priv->hidding_ids);
+ }
+}
+
+
+static void
+on_display_name_changed (ModestAccountMgr *mgr,
+ const gchar *account,
+ gpointer user_data)
+{
+ ModestFolderView *self;
+
+ self = MODEST_FOLDER_VIEW (user_data);
+
+ /* Force a redraw */
+#if GTK_CHECK_VERSION(2, 8, 0)
+ GtkTreeViewColumn * tree_column;
+
+ tree_column = gtk_tree_view_get_column (GTK_TREE_VIEW (self),
+ TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN);
+ gtk_tree_view_column_queue_resize (tree_column);
+#else
+ gtk_widget_queue_draw (GTK_WIDGET (self));
+#endif
+}