path: root/modules/mail/e-mail-shell-view.c

/*
 * e-mail-shell-view.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-mail-shell-view-private.h"

static gpointer parent_class;
static GType mail_shell_view_type;

static void
mail_shell_view_dispose (GObject *object)
{
    e_mail_shell_view_private_dispose (E_MAIL_SHELL_VIEW (object));

    /* Chain up to parent's dispose() method. */
    G_OBJECT_CLASS (parent_class)->dispose (object);
}

static void
mail_shell_view_finalize (GObject *object)
{
    e_mail_shell_view_private_finalize (E_MAIL_SHELL_VIEW (object));

    /* Chain up to parent's finalize() method. */
    G_OBJECT_CLASS (parent_class)->finalize (object);
}

static void
mail_shell_view_constructed (GObject *object)
{
    /* Chain up to parent's constructed() method. */
    G_OBJECT_CLASS (parent_class)->constructed (object);

    e_mail_shell_view_private_constructed (E_MAIL_SHELL_VIEW (object));
}

static void
mail_shell_view_toggled (EShellView *shell_view)
{
    EMailShellViewPrivate *priv;
    EShellWindow *shell_window;
    GtkUIManager *ui_manager;
    const gchar *basename;
    gboolean view_is_active;

    priv = E_MAIL_SHELL_VIEW_GET_PRIVATE (shell_view);

    shell_window = e_shell_view_get_shell_window (shell_view);
    ui_manager = e_shell_window_get_ui_manager (shell_window);
    view_is_active = e_shell_view_is_active (shell_view);
    basename = E_MAIL_READER_UI_DEFINITION;

    if (view_is_active && priv->merge_id == 0) {
        priv->merge_id = e_load_ui_manager_definition (
            ui_manager, basename);
        e_mail_reader_create_charset_menu (
            E_MAIL_READER (priv->mail_shell_content),
            ui_manager, priv->merge_id);
    } else if (!view_is_active && priv->merge_id != 0) {
        gtk_ui_manager_remove_ui (ui_manager, priv->merge_id);
        priv->merge_id = 0;
    }

    /* Chain up to parent's toggled() method. */
    E_SHELL_VIEW_CLASS (parent_class)->toggled (shell_view);
}

static void
mail_shell_view_execute_search (EShellView *shell_view)
{
    EMailShellViewPrivate *priv;
    EShell *shell;
    EShellWindow *shell_window;
    EShellContent *shell_content;
    EShellSettings *shell_settings;
    EMFormatHTMLDisplay *html_display;
    EMailShellContent *mail_shell_content;
    MessageList *message_list;
    EFilterRule *rule;
    EMailReader *reader;
    CamelFolder *folder;
    GtkAction *action;
    GtkTreeModel *model;
    GtkTreePath *path;
    GtkTreeIter tree_iter;
    GString *string;
    GList *iter;
    GSList *search_strings = NULL;
    const gchar *folder_uri;
    const gchar *text;
    gboolean valid;
    gchar *query;
    gchar *temp;
    gchar *tag;
    gint value;

    priv = E_MAIL_SHELL_VIEW_GET_PRIVATE (shell_view);

    shell_window = e_shell_view_get_shell_window (shell_view);
    shell_content = e_shell_view_get_shell_content (shell_view);

    shell = e_shell_window_get_shell (shell_window);
    shell_settings = e_shell_get_shell_settings (shell);

    mail_shell_content = E_MAIL_SHELL_CONTENT (shell_content);

    reader = E_MAIL_READER (shell_content);
    html_display = e_mail_reader_get_html_display (reader);
    message_list = e_mail_reader_get_message_list (reader);

    folder_uri = message_list->folder_uri;
    folder = message_list->folder;

    if (folder_uri != NULL) {
        GKeyFile *key_file;
        const gchar *key;
        const gchar *string;
        gchar *group_name;

        key_file = e_shell_view_get_state_key_file (shell_view);

        key = STATE_KEY_SEARCH_TEXT;
        string = e_shell_content_get_search_text (shell_content);
        group_name = g_strdup_printf ("Folder %s", folder_uri);

        if (string != NULL && *string != '\0')
            g_key_file_set_string (
                key_file, group_name, key, string);
        else
            g_key_file_remove_key (
                key_file, group_name, key, NULL);
        e_shell_view_set_state_dirty (shell_view);

        g_free (group_name);
    }

    /* This returns a new object reference. */
    model = e_shell_settings_get_object (
        shell_settings, "mail-label-list-store");

    action = ACTION (MAIL_SEARCH_SUBJECT_OR_ADDRESSES_CONTAIN);
    value = gtk_radio_action_get_current_value (GTK_RADIO_ACTION (action));

    text = e_shell_content_get_search_text (shell_content);
    if (value == MAIL_SEARCH_ADVANCED || text == NULL || *text == '\0') {
        query = e_shell_content_get_search_rule_as_string (shell_content);

        if (!query)
            query = g_strdup ("");

        goto filter;
    }

    /* Replace variables in the selected rule with the
     * current search text and extract a query string. */

    g_return_if_fail (value >= 0 && value < MAIL_NUM_SEARCH_RULES);
    rule = priv->search_rules[value];

    /* Set the search rule in EShellContent so that "Create
     * Search Folder from Search" works for quick searches. */
    e_shell_content_set_search_rule (shell_content, rule);

    for (iter = rule->parts; iter != NULL; iter = iter->next) {
        EFilterPart *part = iter->data;
        EFilterElement *element = NULL;

        if (strcmp (part->name, "subject") == 0)
            element = e_filter_part_find_element (part, "subject");
        else if (strcmp (part->name, "body") == 0)
            element = e_filter_part_find_element (part, "word");
        else if (strcmp (part->name, "sender") == 0)
            element = e_filter_part_find_element (part, "sender");
        else if (strcmp (part->name, "to") == 0)
            element = e_filter_part_find_element (part, "recipient");

        if (strcmp (part->name, "body") == 0) {
            struct _camel_search_words *words;
            gint ii;

            words = camel_search_words_split ((guchar *) text);
            for (ii = 0; ii < words->len; ii++)
                search_strings = g_slist_prepend (
                    search_strings, g_strdup (
                    words->words[ii]->word));
            camel_search_words_free (words);
        }

        if (element != NULL) {
            EFilterInput *input = E_FILTER_INPUT (element);
            e_filter_input_set_value (input, text);
        }
    }

    string = g_string_sized_new (1024);
    e_filter_rule_build_code (rule, string);
    query = g_string_free (string, FALSE);

filter:

    /* Apply selected filter. */

    value = e_shell_content_get_filter_value (shell_content);
    switch (value) {
        case MAIL_FILTER_ALL_MESSAGES:
            break;

        case MAIL_FILTER_UNREAD_MESSAGES:
            temp = g_strdup_printf (
                "(and %s (match-all (not "
                "(system-flag \"Seen\"))))", query);
            g_free (query);
            query = temp;
            break;

        case MAIL_FILTER_NO_LABEL:
            string = g_string_sized_new (1024);
            g_string_append_printf (
                string, "(and %s (and ", query);
            valid = gtk_tree_model_get_iter_first (
                model, &tree_iter);
            while (valid) {
                tag = e_mail_label_list_store_get_tag (
                    E_MAIL_LABEL_LIST_STORE (model),
                    &tree_iter);
                g_string_append_printf (
                    string, " (match-all (not (or "
                    "(= (user-tag \"label\") \"%s\") "
                    "(user-flag \"$Label%s\") "
                    "(user-flag \"%s\"))))",
                    tag, tag, tag);
                g_free (tag);

                valid = gtk_tree_model_iter_next (
                    model, &tree_iter);
            }
            g_string_append_len (string, "))", 2);
            g_free (query);
            query = g_string_free (string, FALSE);
            break;

        case MAIL_FILTER_READ_MESSAGES:
            temp = g_strdup_printf (
                "(and %s (match-all "
                "(system-flag \"Seen\")))", query);
            g_free (query);
            query = temp;
            break;

        case MAIL_FILTER_RECENT_MESSAGES:
            if (em_utils_folder_is_sent (folder, folder_uri))
                temp = g_strdup_printf (
                    "(and %s (match-all "
                    "(> (get-sent-date) "
                    "(- (get-current-date) 86400))))",
                    query);
            else
                temp = g_strdup_printf (
                    "(and %s (match-all "
                    "(> (get-received-date) "
                    "(- (get-current-date) 86400))))",
                    query);
            g_free (query);
            query = temp;
            break;

        case MAIL_FILTER_LAST_5_DAYS_MESSAGES:
            if (em_utils_folder_is_sent (folder, folder_uri))
                temp = g_strdup_printf (
                    "(and %s (match-all "
                    "(> (get-sent-date) "
                    "(- (get-current-date) 432000))))",
                    query);
            else
                temp = g_strdup_printf (
                    "(and %s (match-all "
                    "(> (get-received-date) "
                    "(- (get-current-date) 432000))))",
                    query);
            g_free (query);
            query = temp;
            break;

        case MAIL_FILTER_MESSAGES_WITH_ATTACHMENTS:
            temp = g_strdup_printf (
                "(and %s (match-all "
                "(system-flag \"Attachments\")))", query);
            g_free (query);
            query = temp;
            break;

        case MAIL_FILTER_IMPORTANT_MESSAGES:
            temp = g_strdup_printf (
                "(and %s (match-all "
                "(system-flag \"Flagged\")))", query);
            g_free (query);
            query = temp;
            break;

        case MAIL_FILTER_MESSAGES_NOT_JUNK:
            temp = g_strdup_printf (
                "(and %s (match-all (not "
                "(system-flag \"junk\"))))", query);
            g_free (query);
            query = temp;
            break;

        default:
            /* The action value also serves as a path for
             * the label list store.  That's why we number
             * the label actions from zero. */
            path = gtk_tree_path_new_from_indices (value, -1);
            gtk_tree_model_get_iter (model, &tree_iter, path);
            gtk_tree_path_free (path);

            tag = e_mail_label_list_store_get_tag (
                E_MAIL_LABEL_LIST_STORE (model), &tree_iter);
            temp = g_strdup_printf (
                "(and %s (match-all (or "
                "(= (user-tag \"label\") \"%s\") "
                "(user-flag \"$Label%s\") "
                "(user-flag \"%s\"))))",
                query, tag, tag, tag);
            g_free (tag);

            g_free (query);
            query = temp;
            break;
    }

    message_list_set_search (message_list, query);

    e_mail_shell_content_set_search_strings (
        mail_shell_content, search_strings);

    g_slist_foreach (search_strings, (GFunc) g_free, NULL);
    g_slist_free (search_strings);

    g_object_unref (model);
    g_free (query);
}

static void
has_unread_mail (GtkTreeModel *model, GtkTreeIter *parent, gboolean is_root, gboolean *has_unread)
{
    guint unread = 0;
    GtkTreeIter iter, child;

    g_return_if_fail (model != NULL);
    g_return_if_fail (parent != NULL);
    g_return_if_fail (has_unread != NULL);

    if (is_root) {
        gboolean is_store = FALSE, is_draft = FALSE;

        gtk_tree_model_get (model, parent,
            COL_UINT_UNREAD, &unread,
            COL_BOOL_IS_STORE, &is_store,
            COL_BOOL_IS_DRAFT, &is_draft,
            -1);

        if (is_draft || is_store) {
            *has_unread = FALSE;
            return;
        }

        *has_unread = *has_unread || (unread > 0 && unread != ~((guint)0));

        if (*has_unread)
            return;

        if (!gtk_tree_model_iter_children (model, &iter, parent))
            return;
    } else {
        iter = *parent;
    }

    do {
        gtk_tree_model_get (model, &iter, COL_UINT_UNREAD, &unread, -1);

        *has_unread = *has_unread || (unread > 0 && unread != ~((guint)0));
        if (*has_unread)
            break;

        if (gtk_tree_model_iter_children (model, &child, &iter))
            has_unread_mail (model, &child, FALSE, has_unread);

    } while (gtk_tree_model_iter_next (model, &iter) && !*has_unread);
}

static void
mail_shell_view_update_actions (EShellView *shell_view)
{
    EMailShellView *mail_shell_view;
    EMailShellContent *mail_shell_content;
    EMailShellSidebar *mail_shell_sidebar;
    EShellSidebar *shell_sidebar;
    EShellWindow *shell_window;
    EMFolderTree *folder_tree;
    EMailReader *reader;
    EAccount *account = NULL;
    GtkAction *action;
    const gchar *label;
    gchar *uri;
    gboolean sensitive;
    guint32 state;

    /* Be descriptive. */
    gboolean account_is_groupwise = FALSE;
    gboolean folder_allows_children;
    gboolean folder_can_be_deleted;
    gboolean folder_is_junk;
    gboolean folder_is_outbox;
    gboolean folder_is_store;
    gboolean folder_is_trash;
    gboolean folder_has_unread_rec = FALSE;
    gboolean folder_tree_and_message_list_agree = TRUE;

    mail_shell_view = E_MAIL_SHELL_VIEW (shell_view);

    shell_window = e_shell_view_get_shell_window (shell_view);

    mail_shell_content = mail_shell_view->priv->mail_shell_content;
    reader = E_MAIL_READER (mail_shell_content);
    e_mail_reader_update_actions (reader);

    mail_shell_sidebar = mail_shell_view->priv->mail_shell_sidebar;
    folder_tree = e_mail_shell_sidebar_get_folder_tree (mail_shell_sidebar);

    shell_sidebar = e_shell_view_get_shell_sidebar (shell_view);
    state = e_shell_sidebar_check_state (shell_sidebar);

    folder_allows_children =
        (state & E_MAIL_SHELL_SIDEBAR_FOLDER_ALLOWS_CHILDREN);
    folder_can_be_deleted =
        (state & E_MAIL_SHELL_SIDEBAR_FOLDER_CAN_DELETE);
    folder_is_junk =
        (state & E_MAIL_SHELL_SIDEBAR_FOLDER_IS_JUNK);
    folder_is_outbox =
        (state & E_MAIL_SHELL_SIDEBAR_FOLDER_IS_OUTBOX);
    folder_is_store =
        (state & E_MAIL_SHELL_SIDEBAR_FOLDER_IS_STORE);
    folder_is_trash =
        (state & E_MAIL_SHELL_SIDEBAR_FOLDER_IS_TRASH);

    uri = em_folder_tree_get_selected_uri (folder_tree);
    if (uri != NULL) {
        EMFolderTreeModel *model;
        MessageList *message_list;

        /* XXX If the user right-clicks on a folder other than what
         *     the message list is showing, disable folder rename.
         *     Between fetching the CamelFolder asynchronously and
         *     knowing when NOT to move the folder tree selection
         *     back to where it was to avoid cancelling the inline
         *     folder tree editing, it's just too hairy to try to
         *     get right.  So we're punting. */
        message_list = e_mail_reader_get_message_list (reader);
        folder_tree_and_message_list_agree =
            (g_strcmp0 (uri, message_list->folder_uri) == 0);

        account = mail_config_get_account_by_source_url (uri);

        /* FIXME This belongs in a GroupWise plugin. */
        account_is_groupwise =
            (g_strrstr (uri, "groupwise://") != NULL) &&
            account != NULL && account->parent_uid != NULL;

        model = em_folder_tree_model_get_default ();
        if (model) {
            GtkTreeRowReference *reference = em_folder_tree_model_lookup_uri (model, uri);
            if (reference != NULL) {
                GtkTreePath *path = gtk_tree_row_reference_get_path (reference);
                GtkTreeIter iter;

                gtk_tree_model_get_iter (GTK_TREE_MODEL (model), &iter, path);
                has_unread_mail (GTK_TREE_MODEL (model), &iter, TRUE, &folder_has_unread_rec);
                gtk_tree_path_free (path);
            }
        }

        g_free (uri);
    }

    action = ACTION (MAIL_ACCOUNT_DISABLE);
    sensitive = (account != NULL) && folder_is_store;
    if (account_is_groupwise)
        label = _("Proxy _Logout");
    else
        label = _("_Disable Account");
    gtk_action_set_sensitive (action, sensitive);
    g_object_set (action, "label", label, NULL);

    action = ACTION (MAIL_EMPTY_TRASH);
    sensitive = folder_is_trash;
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (MAIL_FLUSH_OUTBOX);
    sensitive = folder_is_outbox;
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (MAIL_FOLDER_COPY);
    sensitive = !folder_is_store;
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (MAIL_FOLDER_DELETE);
    sensitive = !folder_is_store && folder_can_be_deleted;
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (MAIL_FOLDER_MOVE);
    sensitive = !folder_is_store && folder_can_be_deleted;
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (MAIL_FOLDER_NEW);
    sensitive = folder_allows_children;
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (MAIL_FOLDER_PROPERTIES);
    sensitive = !folder_is_store;
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (MAIL_FOLDER_REFRESH);
    sensitive = !folder_is_store;
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (MAIL_FOLDER_RENAME);
    sensitive =
        !folder_is_store && folder_can_be_deleted &&
        folder_tree_and_message_list_agree;
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (MAIL_FOLDER_SELECT_ALL);
    sensitive = !folder_is_store;
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (MAIL_FOLDER_SELECT_THREAD);
    sensitive = !folder_is_store;
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (MAIL_FOLDER_SELECT_SUBTHREAD);
    sensitive = !folder_is_store;
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (MAIL_FOLDER_UNSUBSCRIBE);
    sensitive = !folder_is_store && folder_can_be_deleted;
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (MAIL_FOLDER_MARK_ALL_AS_READ);
    sensitive = folder_has_unread_rec && !folder_is_store;
    gtk_action_set_sensitive (action, sensitive);

    e_mail_shell_view_update_popup_labels (mail_shell_view);
}

static void
mail_shell_view_class_init (EMailShellViewClass *class,
                            GTypeModule *type_module)
{
    GObjectClass *object_class;
    EShellViewClass *shell_view_class;

    parent_class = g_type_class_peek_parent (class);
    g_type_class_add_private (class, sizeof (EMailShellViewPrivate));

    object_class = G_OBJECT_CLASS (class);
    object_class->dispose = mail_shell_view_dispose;
    object_class->finalize = mail_shell_view_finalize;
    object_class->constructed = mail_shell_view_constructed;

    shell_view_class = E_SHELL_VIEW_CLASS (class);
    shell_view_class->label = _("Mail");
    shell_view_class->icon_name = "evolution-mail";
    shell_view_class->ui_definition = "evolution-mail.ui";
    shell_view_class->ui_manager_id = "org.gnome.evolution.mail";
    shell_view_class->search_options = "/mail-search-options";
    shell_view_class->search_rules = "searchtypes.xml";
    shell_view_class->new_shell_content = e_mail_shell_content_new;
    shell_view_class->new_shell_sidebar = e_mail_shell_sidebar_new;
    shell_view_class->toggled = mail_shell_view_toggled;
    shell_view_class->execute_search = mail_shell_view_execute_search;
    shell_view_class->update_actions = mail_shell_view_update_actions;
}

static void
mail_shell_view_init (EMailShellView *mail_shell_view,
                      EShellViewClass *shell_view_class)
{
    mail_shell_view->priv =
        E_MAIL_SHELL_VIEW_GET_PRIVATE (mail_shell_view);

    e_mail_shell_view_private_init (mail_shell_view, shell_view_class);
}

GType
e_mail_shell_view_get_type (void)
{
    return mail_shell_view_type;
}

void
e_mail_shell_view_register_type (GTypeModule *type_module)
{
    const GTypeInfo type_info = {
        sizeof (EMailShellViewClass),
        (GBaseInitFunc) NULL,
        (GBaseFinalizeFunc) NULL,
        (GClassInitFunc) mail_shell_view_class_init,
        (GClassFinalizeFunc) NULL,
        NULL,  /* class_data */
        sizeof (EMailShellView),
        0,     /* n_preallocs */
        (GInstanceInitFunc) mail_shell_view_init,
        NULL   /* value_table */
    };

    mail_shell_view_type = g_type_module_register_type (
        type_module, E_TYPE_SHELL_VIEW,
        "EMailShellView", &type_info, 0);
}