diff options
Diffstat (limited to 'calendar/gui/e-attachment-handler-calendar.c')
-rw-r--r-- | calendar/gui/e-attachment-handler-calendar.c | 516 |
1 files changed, 516 insertions, 0 deletions
diff --git a/calendar/gui/e-attachment-handler-calendar.c b/calendar/gui/e-attachment-handler-calendar.c new file mode 100644 index 0000000000..a3ad62cfab --- /dev/null +++ b/calendar/gui/e-attachment-handler-calendar.c @@ -0,0 +1,516 @@ +/* + * e-attachment-handler-calendar.c + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * + */ + +#include "e-attachment-handler-calendar.h" + +#include <config.h> +#include <glib/gi18n.h> +#include <libical/ical.h> +#include <libecal/e-cal.h> +#include <camel/camel-stream-mem.h> +#include <libedataserverui/e-source-selector.h> + +#include "calendar/common/authentication.h" + +#define E_ATTACHMENT_HANDLER_CALENDAR_GET_PRIVATE(obj) \ + (G_TYPE_INSTANCE_GET_PRIVATE \ + ((obj), E_TYPE_ATTACHMENT_HANDLER_CALENDAR, EAttachmentHandlerCalendarPrivate)) + +typedef struct _ImportContext ImportContext; + +struct _EAttachmentHandlerCalendarPrivate { + gint placeholder; +}; + +struct _ImportContext { + ECal *client; + icalcomponent *component; + ECalSourceType source_type; +}; + +static gpointer parent_class; + +static const gchar *ui = +"<ui>" +" <popup name='context'>" +" <placeholder name='custom-actions'>" +" <menuitem action='import-to-calendar'/>" +" <menuitem action='import-to-tasks'/>" +" </placeholder>" +" </popup>" +"</ui>"; + +static icalcomponent * +attachment_handler_get_component (EAttachment *attachment) +{ + CamelDataWrapper *wrapper; + CamelMimePart *mime_part; + CamelStream *stream; + GByteArray *buffer; + icalcomponent *component; + const gchar *key = "__icalcomponent__"; + + component = g_object_get_data (G_OBJECT (attachment), key); + if (component != NULL) + return component; + + mime_part = e_attachment_get_mime_part (attachment); + if (!CAMEL_IS_MIME_PART (mime_part)) + return NULL; + + buffer = g_byte_array_new (); + stream = camel_stream_mem_new (); + camel_stream_mem_set_byte_array (CAMEL_STREAM_MEM (stream), buffer); + wrapper = camel_medium_get_content_object (CAMEL_MEDIUM (mime_part)); + camel_data_wrapper_decode_to_stream (wrapper, stream); + camel_object_unref (stream); + + component = e_cal_util_parse_ics_string ((gchar *) buffer->data); + + g_byte_array_free (buffer, TRUE); + + if (component == NULL) + return NULL; + + g_object_set_data_full ( + G_OBJECT (attachment), key, component, + (GDestroyNotify) icalcomponent_free); + + return component; +} + +static gboolean +attachment_handler_update_objects (ECal *client, + icalcomponent *component) +{ + icalcomponent_kind kind; + icalcomponent *vcalendar; + gboolean success; + + kind = icalcomponent_isa (component); + + switch (kind) { + case ICAL_VTODO_COMPONENT: + case ICAL_VEVENT_COMPONENT: + vcalendar = e_cal_util_new_top_level (); + if (icalcomponent_get_method (component) == ICAL_METHOD_CANCEL) + icalcomponent_set_method (vcalendar, ICAL_METHOD_CANCEL); + else + icalcomponent_set_method (vcalendar, ICAL_METHOD_PUBLISH); + icalcomponent_add_component ( + vcalendar, icalcomponent_new_clone (component)); + break; + + case ICAL_VCALENDAR_COMPONENT: + vcalendar = icalcomponent_new_clone (component); + if (!icalcomponent_get_first_property (vcalendar, ICAL_METHOD_PROPERTY)) + icalcomponent_set_method (vcalendar, ICAL_METHOD_PUBLISH); + break; + + default: + return FALSE; + } + + success = e_cal_receive_objects (client, vcalendar, NULL); + + icalcomponent_free (vcalendar); + + return success; +} + +static void +attachment_handler_import_event (ECal *client, + ECalendarStatus status, + EAttachment *attachment) +{ + icalcomponent *component; + icalcomponent *subcomponent; + icalcompiter iter; + + /* FIXME Notify the user somehow. */ + g_return_if_fail (status == E_CALENDAR_STATUS_OK); + + component = attachment_handler_get_component (attachment); + g_return_if_fail (component != NULL); + + iter = icalcomponent_begin_component (component, ICAL_ANY_COMPONENT); + + while ((subcomponent = icalcompiter_deref (&iter)) != NULL) { + icalcomponent_kind kind; + + kind = icalcomponent_isa (subcomponent); + icalcompiter_next (&iter); + + if (kind == ICAL_VEVENT_COMPONENT) + continue; + + if (kind == ICAL_VTIMEZONE_COMPONENT) + continue; + + icalcomponent_remove_component (component, subcomponent); + icalcomponent_free (subcomponent); + } + + /* XXX Do something with the return value. */ + attachment_handler_update_objects (client, component); + + g_object_unref (attachment); + g_object_unref (client); +} + +static void +attachment_handler_import_todo (ECal *client, + ECalendarStatus status, + EAttachment *attachment) +{ + icalcomponent *component; + icalcomponent *subcomponent; + icalcompiter iter; + + /* FIXME Notify the user somehow. */ + g_return_if_fail (status == E_CALENDAR_STATUS_OK); + + component = attachment_handler_get_component (attachment); + g_return_if_fail (component != NULL); + + iter = icalcomponent_begin_component (component, ICAL_ANY_COMPONENT); + + while ((subcomponent = icalcompiter_deref (&iter)) != NULL) { + icalcomponent_kind kind; + + kind = icalcomponent_isa (subcomponent); + icalcompiter_next (&iter); + + if (kind == ICAL_VTODO_COMPONENT) + continue; + + if (kind == ICAL_VTIMEZONE_COMPONENT) + continue; + + icalcomponent_remove_component (component, subcomponent); + icalcomponent_free (subcomponent); + } + + /* XXX Do something with the return value. */ + attachment_handler_update_objects (client, component); + + g_object_unref (attachment); + g_object_unref (client); +} + +static void +attachment_handler_row_activated_cb (GtkDialog *dialog) +{ + gtk_dialog_response (dialog, GTK_RESPONSE_OK); +} + +static void +attachment_handler_run_dialog (GtkWindow *parent, + EAttachment *attachment, + ECalSourceType source_type, + const gchar *title) +{ + GtkWidget *dialog; + GtkWidget *container; + GtkWidget *widget; + GCallback callback; + ESourceSelector *selector; + ESourceList *source_list; + ESource *source; + ECal *client; + icalcomponent *component; + GError *error = NULL; + + component = attachment_handler_get_component (attachment); + g_return_if_fail (component != NULL); + + e_cal_get_sources (&source_list, source_type, &error); + if (error != NULL) { + g_warning ("%s", error->message); + g_error_free (error); + return; + } + + source = e_source_list_peek_source_any (source_list); + g_return_if_fail (source != NULL); + + dialog = gtk_dialog_new_with_buttons ( + title, parent, GTK_DIALOG_DESTROY_WITH_PARENT, + GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL, NULL); + + widget = gtk_button_new_with_mnemonic (_("I_mport")); + gtk_button_set_image ( + GTK_BUTTON (widget), gtk_image_new_from_icon_name ( + "stock_mail-import", GTK_ICON_SIZE_MENU)); + gtk_dialog_add_action_widget ( + GTK_DIALOG (dialog), widget, GTK_RESPONSE_OK); + gtk_widget_show (widget); + + gtk_dialog_set_has_separator (GTK_DIALOG (dialog), FALSE); + gtk_window_set_default_size (GTK_WINDOW (dialog), 300, 400); + + container = gtk_dialog_get_content_area (GTK_DIALOG (dialog)); + + widget = gtk_scrolled_window_new (NULL, NULL); + gtk_scrolled_window_set_policy ( + GTK_SCROLLED_WINDOW (widget), + GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC); + gtk_scrolled_window_set_shadow_type ( + GTK_SCROLLED_WINDOW (widget), GTK_SHADOW_IN); + gtk_box_pack_start (GTK_BOX (container), widget, TRUE, TRUE, 0); + gtk_widget_show (widget); + + container = widget; + + widget = e_source_selector_new (source_list); + selector = E_SOURCE_SELECTOR (widget); + e_source_selector_set_primary_selection (selector, source); + e_source_selector_show_selection (selector, FALSE); + gtk_container_add (GTK_CONTAINER (container), widget); + gtk_widget_show (widget); + + g_signal_connect_swapped ( + widget, "row-activated", + G_CALLBACK (attachment_handler_row_activated_cb), dialog); + + if (gtk_dialog_run (GTK_DIALOG (dialog)) != GTK_RESPONSE_OK) + goto exit; + + source = e_source_selector_peek_primary_selection (selector); + if (source == NULL) + goto exit; + + client = auth_new_cal_from_source (source, source_type); + if (client == NULL) + goto exit; + + if (source_type == E_CAL_SOURCE_TYPE_EVENT) + callback = G_CALLBACK (attachment_handler_import_event); + else if (source_type == E_CAL_SOURCE_TYPE_TODO) + callback = G_CALLBACK (attachment_handler_import_todo); + else + goto exit; + + g_object_ref (attachment); + g_signal_connect (client, "cal-opened", callback, attachment); + e_cal_open_async (client, FALSE); + +exit: + gtk_widget_destroy (dialog); +} + +static void +attachment_handler_import_to_calendar (GtkAction *action, + EAttachmentHandler *handler) +{ + EAttachment *attachment; + EAttachmentView *view; + GList *selected; + gpointer parent; + + view = e_attachment_handler_get_view (handler); + + parent = gtk_widget_get_toplevel (GTK_WIDGET (view)); + parent = GTK_WIDGET_TOPLEVEL (parent) ? parent : NULL; + + selected = e_attachment_view_get_selected_attachments (view); + g_return_if_fail (g_list_length (selected) == 1); + attachment = E_ATTACHMENT (selected->data); + + attachment_handler_run_dialog ( + parent, attachment, + E_CAL_SOURCE_TYPE_EVENT, + _("Select a Calendar")); + + g_object_unref (attachment); + g_list_free (selected); +} + +static void +attachment_handler_import_to_tasks (GtkAction *action, + EAttachmentHandler *handler) +{ + EAttachment *attachment; + EAttachmentView *view; + GList *selected; + gpointer parent; + + view = e_attachment_handler_get_view (handler); + + parent = gtk_widget_get_toplevel (GTK_WIDGET (view)); + parent = GTK_WIDGET_TOPLEVEL (parent) ? parent : NULL; + + selected = e_attachment_view_get_selected_attachments (view); + g_return_if_fail (g_list_length (selected) == 1); + attachment = E_ATTACHMENT (selected->data); + + attachment_handler_run_dialog ( + parent, attachment, + E_CAL_SOURCE_TYPE_TODO, + _("Select a Task List")); + + g_object_unref (attachment); + g_list_free (selected); +} + +static GtkActionEntry standard_entries[] = { + + { "import-to-calendar", + "stock_mail-import", + N_("I_mport to Calendar"), + NULL, + NULL, /* XXX Add a tooltip! */ + G_CALLBACK (attachment_handler_import_to_calendar) }, + + { "import-to-tasks", + "stock_mail-import", + N_("I_mport to Tasks"), + NULL, + NULL, /* XXX Add a tooltip! */ + G_CALLBACK (attachment_handler_import_to_tasks) } +}; + +static void +attachment_handler_calendar_update_actions (EAttachmentView *view) +{ + EAttachment *attachment; + GtkAction *action; + GList *selected; + icalcomponent *component; + icalcomponent *subcomponent; + icalcomponent_kind kind; + gboolean is_vevent = FALSE; + gboolean is_vtodo = FALSE; + + selected = e_attachment_view_get_selected_attachments (view); + + if (g_list_length (selected) != 1) + goto exit; + + attachment = E_ATTACHMENT (selected->data); + component = attachment_handler_get_component (attachment); + + if (component == NULL) + goto exit; + + subcomponent = icalcomponent_get_inner (component); + + if (subcomponent == NULL) + goto exit; + + kind = icalcomponent_isa (subcomponent); + is_vevent = (kind == ICAL_VEVENT_COMPONENT); + is_vtodo = (kind == ICAL_VTODO_COMPONENT); + +exit: + action = e_attachment_view_get_action (view, "import-to-calendar"); + gtk_action_set_visible (action, is_vevent); + + action = e_attachment_view_get_action (view, "import-to-tasks"); + gtk_action_set_visible (action, is_vtodo); + + g_list_foreach (selected, (GFunc) g_object_unref, NULL); + g_list_free (selected); +} + +static void +attachment_handler_calendar_constructed (GObject *object) +{ + EAttachmentHandler *handler; + EAttachmentView *view; + GtkActionGroup *action_group; + GtkUIManager *ui_manager; + const gchar *domain = GETTEXT_PACKAGE; + GError *error = NULL; + + handler = E_ATTACHMENT_HANDLER (object); + + /* Chain up to parent's constructed() method. */ + G_OBJECT_CLASS (parent_class)->constructed (object); + + view = e_attachment_handler_get_view (handler); + ui_manager = e_attachment_view_get_ui_manager (view); + + action_group = gtk_action_group_new ("calendar"); + gtk_action_group_set_translation_domain (action_group, domain); + gtk_action_group_add_actions ( + action_group, standard_entries, + G_N_ELEMENTS (standard_entries), handler); + gtk_ui_manager_insert_action_group (ui_manager, action_group, 0); + g_object_unref (action_group); + + gtk_ui_manager_add_ui_from_string (ui_manager, ui, -1, &error); + + if (error != NULL) { + g_warning ("%s", error->message); + g_error_free (error); + } + + g_signal_connect ( + view, "update_actions", + G_CALLBACK (attachment_handler_calendar_update_actions), + NULL); +} + +static void +attachment_handler_calendar_class_init (EAttachmentHandlerCalendarClass *class) +{ + GObjectClass *object_class; + + parent_class = g_type_class_peek_parent (class); + g_type_class_add_private (class, sizeof (EAttachmentHandlerCalendarPrivate)); + + object_class = G_OBJECT_CLASS (class); + object_class->constructed = attachment_handler_calendar_constructed; +} + +static void +attachment_handler_calendar_init (EAttachmentHandlerCalendar *handler) +{ + handler->priv = E_ATTACHMENT_HANDLER_CALENDAR_GET_PRIVATE (handler); +} + +GType +e_attachment_handler_calendar_get_type (void) +{ + static GType type = 0; + + if (G_UNLIKELY (type == 0)) { + static const GTypeInfo type_info = { + sizeof (EAttachmentHandlerCalendarClass), + (GBaseInitFunc) NULL, + (GBaseFinalizeFunc) NULL, + (GClassInitFunc) attachment_handler_calendar_class_init, + (GClassFinalizeFunc) NULL, + NULL, /* class_data */ + sizeof (EAttachmentHandlerCalendar), + 0, /* n_preallocs */ + (GInstanceInitFunc) attachment_handler_calendar_init, + NULL /* value_table */ + }; + + type = g_type_register_static ( + E_TYPE_ATTACHMENT_HANDLER, + "EAttachmentHandlerCalendar", &type_info, 0); + } + + return type; +} |