diff options
Diffstat (limited to 'modules/calendar/e-task-shell-backend.c')
| -rw-r--r-- | modules/calendar/e-task-shell-backend.c | 661 |
1 files changed, 661 insertions, 0 deletions
diff --git a/modules/calendar/e-task-shell-backend.c b/modules/calendar/e-task-shell-backend.c new file mode 100644 index 0000000000..59a87e653c --- /dev/null +++ b/modules/calendar/e-task-shell-backend.c @@ -0,0 +1,661 @@ +/* + * e-task-shell-backend.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-task-shell-backend.h" + +#include <string.h> +#include <glib/gi18n.h> +#include <libecal/e-cal.h> +#include <libedataserver/e-url.h> +#include <libedataserver/e-source.h> +#include <libedataserver/e-source-list.h> +#include <libedataserver/e-source-group.h> + +#include "shell/e-shell.h" +#include "shell/e-shell-backend.h" +#include "shell/e-shell-window.h" + +#include "calendar/common/authentication.h" +#include "calendar/gui/calendar-config.h" +#include "calendar/gui/comp-util.h" +#include "calendar/gui/dialogs/calendar-setup.h" +#include "calendar/gui/dialogs/task-editor.h" + +#include "e-task-shell-content.h" +#include "e-task-shell-migrate.h" +#include "e-task-shell-sidebar.h" +#include "e-task-shell-view.h" + +#define E_TASK_SHELL_BACKEND_GET_PRIVATE(obj) \ + (G_TYPE_INSTANCE_GET_PRIVATE \ + ((obj), E_TYPE_TASK_SHELL_BACKEND, ETaskShellBackendPrivate)) + +#define WEB_BASE_URI "webcal://" +#define PERSONAL_RELATIVE_URI "system" + +struct _ETaskShellBackendPrivate { + ESourceList *source_list; +}; + +enum { + PROP_0, + PROP_SOURCE_LIST +}; + +static gpointer parent_class; +static GType task_shell_backend_type; + +static void +task_shell_backend_ensure_sources (EShellBackend *shell_backend) +{ + /* XXX This is basically the same algorithm across all modules. + * Maybe we could somehow integrate this into EShellBackend? */ + + ETaskShellBackendPrivate *priv; + ESourceGroup *on_this_computer; + ESourceGroup *on_the_web; + ESource *personal; + EShell *shell; + EShellSettings *shell_settings; + GSList *groups, *iter; + const gchar *data_dir; + const gchar *name; + gchar *base_uri; + gchar *filename; + + on_this_computer = NULL; + on_the_web = NULL; + personal = NULL; + + priv = E_TASK_SHELL_BACKEND_GET_PRIVATE (shell_backend); + + shell = e_shell_backend_get_shell (shell_backend); + shell_settings = e_shell_get_shell_settings (shell); + + if (!e_cal_get_sources (&priv->source_list, E_CAL_SOURCE_TYPE_TODO, NULL)) { + g_warning ("Could not get task sources from GConf!"); + return; + } + + data_dir = e_shell_backend_get_data_dir (shell_backend); + filename = g_build_filename (data_dir, "local", NULL); + base_uri = g_filename_to_uri (filename, NULL, NULL); + g_free (filename); + + groups = e_source_list_peek_groups (priv->source_list); + for (iter = groups; iter != NULL; iter = iter->next) { + ESourceGroup *source_group = iter->data; + const gchar *group_base_uri; + + group_base_uri = e_source_group_peek_base_uri (source_group); + + /* Compare only "file://" part. If the user's home + * changes, we do not want to create another group. */ + if (on_this_computer == NULL && + strncmp (base_uri, group_base_uri, 7) == 0) + on_this_computer = source_group; + + else if (on_the_web == NULL && + strcmp (WEB_BASE_URI, group_base_uri) == 0) + on_the_web = source_group; + } + + name = _("On This Computer"); + + if (on_this_computer != NULL) { + GSList *sources; + const gchar *group_base_uri; + + /* Force the group name to the current locale. */ + e_source_group_set_name (on_this_computer, name); + + sources = e_source_group_peek_sources (on_this_computer); + group_base_uri = e_source_group_peek_base_uri (on_this_computer); + + /* Make sure this group includes a "Personal" source. */ + for (iter = sources; iter != NULL; iter = iter->next) { + ESource *source = iter->data; + const gchar *relative_uri; + + relative_uri = e_source_peek_relative_uri (source); + if (relative_uri == NULL) + continue; + + if (strcmp (PERSONAL_RELATIVE_URI, relative_uri) != 0) + continue; + + personal = source; + break; + } + + /* Make sure we have the correct base URI. This can + * change when the user's home directory changes. */ + if (strcmp (base_uri, group_base_uri) != 0) { + e_source_group_set_base_uri ( + on_this_computer, base_uri); + + /* XXX We shouldn't need this sync call here as + * set_base_uri() results in synching to GConf, + * but that happens in an idle loop and too late + * to prevent the user from seeing a "Cannot + * Open ... because of invalid URI" error. */ + e_source_list_sync (priv->source_list, NULL); + } + + } else { + ESourceGroup *source_group; + + source_group = e_source_group_new (name, base_uri); + e_source_list_add_group (priv->source_list, source_group, -1); + g_object_unref (source_group); + } + + name = _("Personal"); + + if (personal == NULL) { + ESource *source; + GSList *selected; + gchar *primary; + + source = e_source_new (name, PERSONAL_RELATIVE_URI); + e_source_group_add_source (on_this_computer, source, -1); + g_object_unref (source); + + primary = e_shell_settings_get_string ( + shell_settings, "cal-primary-task-list"); + + selected = calendar_config_get_tasks_selected (); + + if (primary == NULL && selected == NULL) { + const gchar *uid; + + uid = e_source_peek_uid (source); + selected = g_slist_prepend (NULL, g_strdup (uid)); + + e_shell_settings_set_string ( + shell_settings, "cal-primary-task-list", uid); + calendar_config_set_tasks_selected (selected); + } + + g_slist_foreach (selected, (GFunc) g_free, NULL); + g_slist_free (selected); + g_free (primary); + } else { + /* Force the source name to the current locale. */ + e_source_set_name (personal, name); + } + + name = _("On The Web"); + + if (on_the_web == NULL) { + ESourceGroup *source_group; + + source_group = e_source_group_new (name, WEB_BASE_URI); + e_source_list_add_group (priv->source_list, source_group, -1); + g_object_unref (source_group); + } else { + /* Force the group name to the current locale. */ + e_source_group_set_name (on_the_web, name); + } + + g_free (base_uri); +} + +static void +task_shell_backend_task_new_cb (ECal *cal, + ECalendarStatus status, + EShell *shell) +{ + ECalComponent *comp; + CompEditor *editor; + CompEditorFlags flags = 0; + + /* XXX Handle errors better. */ + if (status != E_CALENDAR_STATUS_OK) + return; + + flags |= COMP_EDITOR_NEW_ITEM; + + editor = task_editor_new (cal, shell, flags); + comp = cal_comp_task_new_with_defaults (cal); + comp_editor_edit_comp (editor, comp); + + gtk_window_present (GTK_WINDOW (editor)); + + g_object_unref (comp); + g_object_unref (cal); +} + +static void +task_shell_backend_task_assigned_new_cb (ECal *cal, + ECalendarStatus status, + EShell *shell) +{ + ECalComponent *comp; + CompEditor *editor; + CompEditorFlags flags = 0; + + /* XXX Handle errors better. */ + if (status != E_CALENDAR_STATUS_OK) + return; + + flags |= COMP_EDITOR_NEW_ITEM; + flags |= COMP_EDITOR_IS_ASSIGNED; + flags |= COMP_EDITOR_USER_ORG; + + editor = task_editor_new (cal, shell, flags); + comp = cal_comp_task_new_with_defaults (cal); + comp_editor_edit_comp (editor, comp); + + gtk_window_present (GTK_WINDOW (editor)); + + g_object_unref (comp); + g_object_unref (cal); +} + +static void +action_task_new_cb (GtkAction *action, + EShellWindow *shell_window) +{ + ECal *cal = NULL; + ECalSourceType source_type; + ESourceList *source_list; + EShellSettings *shell_settings; + EShell *shell; + const gchar *action_name; + gchar *uid; + + /* This callback is used for both tasks and assigned tasks. */ + + source_type = E_CAL_SOURCE_TYPE_TODO; + + shell = e_shell_window_get_shell (shell_window); + shell_settings = e_shell_get_shell_settings (shell); + + if (!e_cal_get_sources (&source_list, source_type, NULL)) { + g_warning ("Could not get task sources from GConf!"); + return; + } + + uid = e_shell_settings_get_string ( + shell_settings, "cal-primary-task-list"); + + if (uid != NULL) { + ESource *source; + + source = e_source_list_peek_source_by_uid (source_list, uid); + if (source != NULL) + cal = auth_new_cal_from_source (source, source_type); + g_free (uid); + } + + if (cal == NULL) + cal = auth_new_cal_from_default (source_type); + + g_return_if_fail (cal != NULL); + + /* Connect the appropriate signal handler. */ + action_name = gtk_action_get_name (action); + if (strcmp (action_name, "task-assigned-new") == 0) + g_signal_connect ( + cal, "cal-opened", + G_CALLBACK (task_shell_backend_task_assigned_new_cb), + shell); + else + g_signal_connect ( + cal, "cal-opened", + G_CALLBACK (task_shell_backend_task_new_cb), + shell); + + e_cal_open_async (cal, FALSE); +} + +static void +action_task_list_new_cb (GtkAction *action, + EShellWindow *shell_window) +{ + calendar_setup_new_task_list (GTK_WINDOW (shell_window)); +} + +static GtkActionEntry item_entries[] = { + + { "task-new", + "stock_task", + NC_("New", "_Task"), + "<Shift><Control>t", + N_("Create a new task"), + G_CALLBACK (action_task_new_cb) }, + + { "task-assigned-new", + "stock_task", + N_("Assigne_d Task"), + NULL, + N_("Create a new assigned task"), + G_CALLBACK (action_task_new_cb) } +}; + +static GtkActionEntry source_entries[] = { + + { "task-list-new", + "stock_todo", + NC_("New", "Tas_k List"), + NULL, + N_("Create a new task list"), + G_CALLBACK (action_task_list_new_cb) } +}; + +static gboolean +task_shell_backend_handle_uri_cb (EShellBackend *shell_backend, + const gchar *uri) +{ + EShell *shell; + CompEditor *editor; + CompEditorFlags flags = 0; + ECal *client; + ECalComponent *comp; + ESource *source; + ESourceList *source_list; + ECalSourceType source_type; + EUri *euri; + icalcomponent *icalcomp; + icalproperty *icalprop; + const gchar *cp; + gchar *source_uid = NULL; + gchar *comp_uid = NULL; + gchar *comp_rid = NULL; + gboolean handled = FALSE; + GError *error = NULL; + + source_type = E_CAL_SOURCE_TYPE_TODO; + shell = e_shell_backend_get_shell (shell_backend); + + if (strncmp (uri, "task:", 5) != 0) + return FALSE; + + euri = e_uri_new (uri); + cp = euri->query; + if (cp == NULL) + goto exit; + + while (*cp != '\0') { + gchar *header; + gchar *content; + gsize header_len; + gsize content_len; + + header_len = strcspn (cp, "=&"); + + /* If it's malformed, give up. */ + if (cp[header_len] != '=') + break; + + header = (gchar *) cp; + header[header_len] = '\0'; + cp += header_len + 1; + + content_len = strcspn (cp, "&"); + + content = g_strndup (cp, content_len); + if (g_ascii_strcasecmp (header, "source-uid") == 0) + source_uid = g_strdup (content); + else if (g_ascii_strcasecmp (header, "comp-uid") == 0) + comp_uid = g_strdup (content); + else if (g_ascii_strcasecmp (header, "comp-rid") == 0) + comp_rid = g_strdup (content); + g_free (content); + + cp += content_len; + if (*cp == '&') { + cp++; + if (strcmp (cp, "amp;") == 0) + cp += 4; + } + } + + if (source_uid == NULL || comp_uid == NULL) + goto exit; + + /* URI is valid, so consider it handled. Whether + * we successfully open it is another matter... */ + handled = TRUE; + + if (!e_cal_get_sources (&source_list, source_type, NULL)) { + g_printerr ("Could not get task sources from GConf!\n"); + goto exit; + } + + source = e_source_list_peek_source_by_uid (source_list, source_uid); + if (source == NULL) { + g_printerr ("No source for UID `%s'\n", source_uid); + g_object_unref (source_list); + goto exit; + } + + client = auth_new_cal_from_source (source, source_type); + if (client == NULL || !e_cal_open (client, TRUE, &error)) { + g_printerr ("%s\n", error->message); + g_object_unref (source_list); + g_error_free (error); + goto exit; + } + + /* XXX Copied from e_task_shell_view_open_task(). + * Clearly a new utility function is needed. */ + + editor = comp_editor_find_instance (comp_uid); + + if (editor != NULL) + goto present; + + if (!e_cal_get_object (client, comp_uid, comp_rid, &icalcomp, &error)) { + g_printerr ("%s\n", error->message); + g_object_unref (source_list); + g_error_free (error); + goto exit; + } + + comp = e_cal_component_new (); + e_cal_component_set_icalcomponent (comp, icalcomp); + + icalprop = icalcomponent_get_first_property ( + icalcomp, ICAL_ATTENDEE_PROPERTY); + if (icalprop != NULL) + flags |= COMP_EDITOR_IS_ASSIGNED; + + if (itip_organizer_is_user (comp, client)) + flags |= COMP_EDITOR_USER_ORG; + + if (!e_cal_component_has_attendees (comp)) + flags |= COMP_EDITOR_USER_ORG; + + editor = task_editor_new (client, shell, flags); + comp_editor_edit_comp (editor, comp); + + g_object_unref (comp); + +present: + gtk_window_present (GTK_WINDOW (editor)); + + g_object_unref (source_list); + g_object_unref (client); + +exit: + g_free (source_uid); + g_free (comp_uid); + g_free (comp_rid); + + e_uri_free (euri); + + return handled; +} + +static void +task_shell_backend_window_created_cb (EShellBackend *shell_backend, + GtkWindow *window) +{ + const gchar *module_name; + + if (!E_IS_SHELL_WINDOW (window)) + return; + + module_name = E_SHELL_BACKEND_GET_CLASS (shell_backend)->name; + + e_shell_window_register_new_item_actions ( + E_SHELL_WINDOW (window), module_name, + item_entries, G_N_ELEMENTS (item_entries)); + + e_shell_window_register_new_source_actions ( + E_SHELL_WINDOW (window), module_name, + source_entries, G_N_ELEMENTS (source_entries)); +} + +static void +task_shell_backend_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec) +{ + switch (property_id) { + case PROP_SOURCE_LIST: + g_value_set_object ( + value, + e_task_shell_backend_get_source_list ( + E_TASK_SHELL_BACKEND (object))); + return; + } + + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); +} + +static void +task_shell_backend_dispose (GObject *object) +{ + ETaskShellBackendPrivate *priv; + + priv = E_TASK_SHELL_BACKEND_GET_PRIVATE (object); + + if (priv->source_list != NULL) { + g_object_unref (priv->source_list); + priv->source_list = NULL; + } + + /* Chain up to parent's dispose() method. */ + G_OBJECT_CLASS (parent_class)->dispose (object); +} + +static void +task_shell_backend_constructed (GObject *object) +{ + EShell *shell; + EShellBackend *shell_backend; + + shell_backend = E_SHELL_BACKEND (object); + shell = e_shell_backend_get_shell (shell_backend); + + task_shell_backend_ensure_sources (shell_backend); + + g_signal_connect_swapped ( + shell, "handle-uri", + G_CALLBACK (task_shell_backend_handle_uri_cb), + shell_backend); + + g_signal_connect_swapped ( + shell, "window-created", + G_CALLBACK (task_shell_backend_window_created_cb), + shell_backend); +} + +static void +task_shell_backend_class_init (ETaskShellBackendClass *class) +{ + GObjectClass *object_class; + EShellBackendClass *shell_backend_class; + + parent_class = g_type_class_peek_parent (class); + g_type_class_add_private (class, sizeof (ETaskShellBackendPrivate)); + + object_class = G_OBJECT_CLASS (class); + object_class->get_property = task_shell_backend_get_property; + object_class->dispose = task_shell_backend_dispose; + object_class->constructed = task_shell_backend_constructed; + + shell_backend_class = E_SHELL_BACKEND_CLASS (class); + shell_backend_class->shell_view_type = E_TYPE_TASK_SHELL_VIEW; + shell_backend_class->name = "tasks"; + shell_backend_class->aliases = ""; + shell_backend_class->schemes = "task"; + shell_backend_class->sort_order = 600; + shell_backend_class->start = NULL; + shell_backend_class->migrate = e_task_shell_backend_migrate; + + g_object_class_install_property ( + object_class, + PROP_SOURCE_LIST, + g_param_spec_object ( + "source-list", + _("Source List"), + _("The registry of task lists"), + E_TYPE_SOURCE_LIST, + G_PARAM_READABLE)); +} + +static void +task_shell_backend_init (ETaskShellBackend *task_shell_backend) +{ + task_shell_backend->priv = + E_TASK_SHELL_BACKEND_GET_PRIVATE (task_shell_backend); +} + +GType +e_task_shell_backend_get_type (void) +{ + return task_shell_backend_type; +} + +void +e_task_shell_backend_register_type (GTypeModule *type_module) +{ + const GTypeInfo type_info = { + sizeof (ETaskShellBackendClass), + (GBaseInitFunc) NULL, + (GBaseFinalizeFunc) NULL, + (GClassInitFunc) task_shell_backend_class_init, + (GClassFinalizeFunc) NULL, + NULL, /* class_data */ + sizeof (ETaskShellBackend), + 0, /* n_preallocs */ + (GInstanceInitFunc) task_shell_backend_init, + NULL /* value_table */ + }; + + task_shell_backend_type = g_type_module_register_type ( + type_module, E_TYPE_SHELL_BACKEND, + "ETaskShellBackend", &type_info, 0); +} + +ESourceList * +e_task_shell_backend_get_source_list (ETaskShellBackend *task_shell_backend) +{ + g_return_val_if_fail ( + E_IS_TASK_SHELL_BACKEND (task_shell_backend), NULL); + + return task_shell_backend->priv->source_list; +} |