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-rw-r--r--e-util/e-mail-signature-combo-box.c668
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diff --git a/e-util/e-mail-signature-combo-box.c b/e-util/e-mail-signature-combo-box.c
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+++ b/e-util/e-mail-signature-combo-box.c
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+/*
+ * e-mail-signature-combo-box.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/>
+ *
+ */
+
+#include "e-mail-signature-combo-box.h"
+
+#include <config.h>
+#include <glib/gi18n-lib.h>
+
+#define E_MAIL_SIGNATURE_COMBO_BOX_GET_PRIVATE(obj) \
+ (G_TYPE_INSTANCE_GET_PRIVATE \
+ ((obj), E_TYPE_MAIL_SIGNATURE_COMBO_BOX, EMailSignatureComboBoxPrivate))
+
+#define SOURCE_IS_MAIL_SIGNATURE(source) \
+ (e_source_has_extension ((source), E_SOURCE_EXTENSION_MAIL_SIGNATURE))
+
+struct _EMailSignatureComboBoxPrivate {
+ ESourceRegistry *registry;
+ guint refresh_idle_id;
+ gchar *identity_uid;
+};
+
+enum {
+ PROP_0,
+ PROP_IDENTITY_UID,
+ PROP_REGISTRY
+};
+
+enum {
+ COLUMN_DISPLAY_NAME,
+ COLUMN_UID
+};
+
+G_DEFINE_TYPE (
+ EMailSignatureComboBox,
+ e_mail_signature_combo_box,
+ GTK_TYPE_COMBO_BOX)
+
+static gboolean
+mail_signature_combo_box_refresh_idle_cb (EMailSignatureComboBox *combo_box)
+{
+ /* The refresh function will clear the idle ID. */
+ e_mail_signature_combo_box_refresh (combo_box);
+
+ return FALSE;
+}
+
+static void
+mail_signature_combo_box_registry_changed (ESourceRegistry *registry,
+ ESource *source,
+ EMailSignatureComboBox *combo_box)
+{
+ /* If the ESource in question has a "Mail Signature" extension,
+ * schedule a refresh of the tree model. Otherwise ignore it.
+ * We use an idle callback to limit how frequently we refresh
+ * the tree model, in case the registry is emitting lots of
+ * signals at once. */
+
+ if (!SOURCE_IS_MAIL_SIGNATURE (source))
+ return;
+
+ if (combo_box->priv->refresh_idle_id > 0)
+ return;
+
+ combo_box->priv->refresh_idle_id = g_idle_add (
+ (GSourceFunc) mail_signature_combo_box_refresh_idle_cb,
+ combo_box);
+}
+
+static gboolean
+mail_signature_combo_box_identity_to_signature (GBinding *binding,
+ const GValue *source_value,
+ GValue *target_value,
+ gpointer user_data)
+{
+ EMailSignatureComboBox *combo_box;
+ ESourceRegistry *registry;
+ GObject *source_object;
+ ESource *source;
+ ESourceMailIdentity *extension;
+ const gchar *identity_uid;
+ const gchar *signature_uid = "none";
+ const gchar *extension_name;
+
+ /* Source and target are the same object. */
+ source_object = g_binding_get_source (binding);
+ combo_box = E_MAIL_SIGNATURE_COMBO_BOX (source_object);
+ registry = e_mail_signature_combo_box_get_registry (combo_box);
+
+ identity_uid = g_value_get_string (source_value);
+ if (identity_uid == NULL)
+ return FALSE;
+
+ source = e_source_registry_ref_source (registry, identity_uid);
+ if (source == NULL)
+ return FALSE;
+
+ extension_name = E_SOURCE_EXTENSION_MAIL_IDENTITY;
+ if (!e_source_has_extension (source, extension_name)) {
+ g_object_unref (source);
+ return FALSE;
+ }
+
+ extension = e_source_get_extension (source, extension_name);
+ signature_uid = e_source_mail_identity_get_signature_uid (extension);
+ g_value_set_string (target_value, signature_uid);
+
+ g_object_unref (source);
+
+ return TRUE;
+}
+
+static void
+mail_signature_combo_box_set_registry (EMailSignatureComboBox *combo_box,
+ ESourceRegistry *registry)
+{
+ g_return_if_fail (E_IS_SOURCE_REGISTRY (registry));
+ g_return_if_fail (combo_box->priv->registry == NULL);
+
+ combo_box->priv->registry = g_object_ref (registry);
+
+ g_signal_connect (
+ registry, "source-added",
+ G_CALLBACK (mail_signature_combo_box_registry_changed),
+ combo_box);
+
+ g_signal_connect (
+ registry, "source-changed",
+ G_CALLBACK (mail_signature_combo_box_registry_changed),
+ combo_box);
+
+ g_signal_connect (
+ registry, "source-removed",
+ G_CALLBACK (mail_signature_combo_box_registry_changed),
+ combo_box);
+}
+
+static void
+mail_signature_combo_box_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ switch (property_id) {
+ case PROP_IDENTITY_UID:
+ e_mail_signature_combo_box_set_identity_uid (
+ E_MAIL_SIGNATURE_COMBO_BOX (object),
+ g_value_get_string (value));
+ return;
+
+ case PROP_REGISTRY:
+ mail_signature_combo_box_set_registry (
+ E_MAIL_SIGNATURE_COMBO_BOX (object),
+ g_value_get_object (value));
+ return;
+ }
+
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+}
+
+static void
+mail_signature_combo_box_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ switch (property_id) {
+ case PROP_IDENTITY_UID:
+ g_value_set_string (
+ value,
+ e_mail_signature_combo_box_get_identity_uid (
+ E_MAIL_SIGNATURE_COMBO_BOX (object)));
+ return;
+
+ case PROP_REGISTRY:
+ g_value_set_object (
+ value,
+ e_mail_signature_combo_box_get_registry (
+ E_MAIL_SIGNATURE_COMBO_BOX (object)));
+ return;
+ }
+
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+}
+
+static void
+mail_signature_combo_box_dispose (GObject *object)
+{
+ EMailSignatureComboBoxPrivate *priv;
+
+ priv = E_MAIL_SIGNATURE_COMBO_BOX_GET_PRIVATE (object);
+
+ if (priv->registry != NULL) {
+ g_signal_handlers_disconnect_matched (
+ priv->registry, G_SIGNAL_MATCH_DATA,
+ 0, 0, NULL, NULL, object);
+ g_object_unref (priv->registry);
+ priv->registry = NULL;
+ }
+
+ if (priv->refresh_idle_id > 0) {
+ g_source_remove (priv->refresh_idle_id);
+ priv->refresh_idle_id = 0;
+ }
+
+ /* Chain up to parent's dispose() method. */
+ G_OBJECT_CLASS (e_mail_signature_combo_box_parent_class)->
+ dispose (object);
+}
+
+static void
+mail_signature_combo_box_finalize (GObject *object)
+{
+ EMailSignatureComboBoxPrivate *priv;
+
+ priv = E_MAIL_SIGNATURE_COMBO_BOX_GET_PRIVATE (object);
+
+ g_free (priv->identity_uid);
+
+ /* Chain up to parent's finalize() method. */
+ G_OBJECT_CLASS (e_mail_signature_combo_box_parent_class)->
+ finalize (object);
+}
+
+static void
+mail_signature_combo_box_constructed (GObject *object)
+{
+ GtkListStore *list_store;
+ GtkComboBox *combo_box;
+ GtkCellLayout *cell_layout;
+ GtkCellRenderer *cell_renderer;
+
+ /* Chain up to parent's constructed() method. */
+ G_OBJECT_CLASS (e_mail_signature_combo_box_parent_class)->
+ constructed (object);
+
+ combo_box = GTK_COMBO_BOX (object);
+ cell_layout = GTK_CELL_LAYOUT (object);
+
+ list_store = gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_STRING);
+ gtk_combo_box_set_model (combo_box, GTK_TREE_MODEL (list_store));
+ gtk_combo_box_set_id_column (combo_box, COLUMN_UID);
+ g_object_unref (list_store);
+
+ cell_renderer = gtk_cell_renderer_text_new ();
+ gtk_cell_layout_pack_start (cell_layout, cell_renderer, TRUE);
+ gtk_cell_layout_add_attribute (
+ cell_layout, cell_renderer, "text", COLUMN_DISPLAY_NAME);
+
+ g_object_bind_property_full (
+ combo_box, "identity-uid",
+ combo_box, "active-id",
+ G_BINDING_DEFAULT,
+ mail_signature_combo_box_identity_to_signature,
+ NULL,
+ NULL, (GDestroyNotify) NULL);
+
+ e_mail_signature_combo_box_refresh (
+ E_MAIL_SIGNATURE_COMBO_BOX (object));
+}
+
+static void
+e_mail_signature_combo_box_class_init (EMailSignatureComboBoxClass *class)
+{
+ GObjectClass *object_class;
+
+ g_type_class_add_private (
+ class, sizeof (EMailSignatureComboBoxPrivate));
+
+ object_class = G_OBJECT_CLASS (class);
+ object_class->set_property = mail_signature_combo_box_set_property;
+ object_class->get_property = mail_signature_combo_box_get_property;
+ object_class->dispose = mail_signature_combo_box_dispose;
+ object_class->finalize = mail_signature_combo_box_finalize;
+ object_class->constructed = mail_signature_combo_box_constructed;
+
+ g_object_class_install_property (
+ object_class,
+ PROP_IDENTITY_UID,
+ g_param_spec_string (
+ "identity-uid",
+ "Identity UID",
+ NULL,
+ NULL,
+ G_PARAM_READWRITE |
+ G_PARAM_STATIC_STRINGS));
+
+ g_object_class_install_property (
+ object_class,
+ PROP_REGISTRY,
+ g_param_spec_object (
+ "registry",
+ "Registry",
+ NULL,
+ E_TYPE_SOURCE_REGISTRY,
+ G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT_ONLY |
+ G_PARAM_STATIC_STRINGS));
+}
+
+static void
+e_mail_signature_combo_box_init (EMailSignatureComboBox *combo_box)
+{
+ combo_box->priv = E_MAIL_SIGNATURE_COMBO_BOX_GET_PRIVATE (combo_box);
+}
+
+GtkWidget *
+e_mail_signature_combo_box_new (ESourceRegistry *registry)
+{
+ g_return_val_if_fail (E_IS_SOURCE_REGISTRY (registry), NULL);
+
+ return g_object_new (
+ E_TYPE_MAIL_SIGNATURE_COMBO_BOX,
+ "registry", registry, NULL);
+}
+
+void
+e_mail_signature_combo_box_refresh (EMailSignatureComboBox *combo_box)
+{
+ ESourceRegistry *registry;
+ GtkComboBox *gtk_combo_box;
+ GtkTreeModel *tree_model;
+ GtkTreeIter iter;
+ ESource *source;
+ GList *list, *link;
+ const gchar *extension_name;
+ const gchar *saved_uid;
+
+ g_return_if_fail (E_IS_MAIL_SIGNATURE_COMBO_BOX (combo_box));
+
+ if (combo_box->priv->refresh_idle_id > 0) {
+ g_source_remove (combo_box->priv->refresh_idle_id);
+ combo_box->priv->refresh_idle_id = 0;
+ }
+
+ gtk_combo_box = GTK_COMBO_BOX (combo_box);
+ tree_model = gtk_combo_box_get_model (gtk_combo_box);
+
+ /* This is an interned string, which means it's safe
+ * to use even after clearing the combo box model. */
+ saved_uid = gtk_combo_box_get_active_id (gtk_combo_box);
+
+ gtk_list_store_clear (GTK_LIST_STORE (tree_model));
+
+ extension_name = E_SOURCE_EXTENSION_MAIL_SIGNATURE;
+ registry = e_mail_signature_combo_box_get_registry (combo_box);
+ list = e_source_registry_list_sources (registry, extension_name);
+
+ /* The "None" option always comes first. */
+
+ gtk_list_store_append (GTK_LIST_STORE (tree_model), &iter);
+
+ gtk_list_store_set (
+ GTK_LIST_STORE (tree_model), &iter,
+ COLUMN_DISPLAY_NAME, _("None"),
+ COLUMN_UID, "none", -1);
+
+ /* The "autogenerated" UID has special meaning. */
+
+ gtk_list_store_append (GTK_LIST_STORE (tree_model), &iter);
+
+ gtk_list_store_set (
+ GTK_LIST_STORE (tree_model), &iter,
+ COLUMN_DISPLAY_NAME, _("Autogenerated"),
+ COLUMN_UID, E_MAIL_SIGNATURE_AUTOGENERATED_UID, -1);
+
+ /* Followed by the other mail signatures, alphabetized. */
+
+ for (link = list; link != NULL; link = g_list_next (link)) {
+ GtkTreeIter iter;
+ const gchar *display_name;
+ const gchar *uid;
+
+ source = E_SOURCE (link->data);
+ display_name = e_source_get_display_name (source);
+ uid = e_source_get_uid (source);
+
+ gtk_list_store_append (GTK_LIST_STORE (tree_model), &iter);
+
+ gtk_list_store_set (
+ GTK_LIST_STORE (tree_model), &iter,
+ COLUMN_DISPLAY_NAME, display_name,
+ COLUMN_UID, uid, -1);
+ }
+
+ g_list_free_full (list, (GDestroyNotify) g_object_unref);
+
+ /* Try and restore the previous selected source, or else "None". */
+
+ if (saved_uid != NULL)
+ gtk_combo_box_set_active_id (gtk_combo_box, saved_uid);
+
+ if (gtk_combo_box_get_active_id (gtk_combo_box) == NULL)
+ gtk_combo_box_set_active (gtk_combo_box, 0);
+}
+
+ESourceRegistry *
+e_mail_signature_combo_box_get_registry (EMailSignatureComboBox *combo_box)
+{
+ g_return_val_if_fail (E_IS_MAIL_SIGNATURE_COMBO_BOX (combo_box), NULL);
+
+ return combo_box->priv->registry;
+}
+
+const gchar *
+e_mail_signature_combo_box_get_identity_uid (EMailSignatureComboBox *combo_box)
+{
+ g_return_val_if_fail (E_IS_MAIL_SIGNATURE_COMBO_BOX (combo_box), NULL);
+
+ return combo_box->priv->identity_uid;
+}
+
+void
+e_mail_signature_combo_box_set_identity_uid (EMailSignatureComboBox *combo_box,
+ const gchar *identity_uid)
+{
+ const gchar *active_id;
+
+ g_return_if_fail (E_IS_MAIL_SIGNATURE_COMBO_BOX (combo_box));
+
+ if (g_strcmp0 (combo_box->priv->identity_uid, identity_uid) == 0)
+ return;
+
+ g_free (combo_box->priv->identity_uid);
+ combo_box->priv->identity_uid = g_strdup (identity_uid);
+
+ g_object_notify (G_OBJECT (combo_box), "identity-uid");
+
+ /* If "Autogenerated" is selected, emit a "changed" signal as
+ * a hint to whomever is listening to reload the signature. */
+ active_id = gtk_combo_box_get_active_id (GTK_COMBO_BOX (combo_box));
+ if (g_strcmp0 (active_id, E_MAIL_SIGNATURE_AUTOGENERATED_UID) == 0)
+ g_signal_emit_by_name (combo_box, "changed");
+}
+
+/**************** e_mail_signature_combo_box_load_selected() *****************/
+
+typedef struct _LoadContext LoadContext;
+
+struct _LoadContext {
+ gchar *contents;
+ gsize length;
+ gboolean is_html;
+};
+
+static void
+load_context_free (LoadContext *context)
+{
+ g_free (context->contents);
+ g_slice_free (LoadContext, context);
+}
+
+static void
+mail_signature_combo_box_autogenerate (EMailSignatureComboBox *combo_box,
+ LoadContext *context)
+{
+ ESourceMailIdentity *extension;
+ ESourceRegistry *registry;
+ ESource *source;
+ GString *buffer;
+ const gchar *extension_name;
+ const gchar *identity_uid;
+ const gchar *text;
+ gchar *escaped;
+
+ identity_uid = e_mail_signature_combo_box_get_identity_uid (combo_box);
+
+ /* If we have no mail identity UID, handle it as though
+ * "None" were selected. No need to report an error. */
+ if (identity_uid == NULL)
+ return;
+
+ registry = e_mail_signature_combo_box_get_registry (combo_box);
+ source = e_source_registry_ref_source (registry, identity_uid);
+
+ /* If the mail identity lookup fails, handle it as though
+ * "None" were selected. No need to report an error. */
+ if (source == NULL)
+ return;
+
+ /* If the source is not actually a mail identity, handle it as
+ * though "None" were selected. No need to report an error. */
+ extension_name = E_SOURCE_EXTENSION_MAIL_IDENTITY;
+ if (!e_source_has_extension (source, extension_name)) {
+ g_object_unref (source);
+ return;
+ }
+
+ extension = e_source_get_extension (source, extension_name);
+
+ /* The autogenerated signature format is:
+ *
+ * <NAME> <ADDRESS>
+ * <ORGANIZATION>
+ *
+ * The <ADDRESS> is a mailto link and
+ * the <ORGANIZATION> line is optional.
+ */
+
+ buffer = g_string_sized_new (512);
+
+ text = e_source_mail_identity_get_name (extension);
+ escaped = (text != NULL) ? g_markup_escape_text (text, -1) : NULL;
+ if (escaped != NULL && *escaped != '\0')
+ g_string_append (buffer, escaped);
+ g_free (escaped);
+
+ text = e_source_mail_identity_get_address (extension);
+ escaped = (text != NULL) ? g_markup_escape_text (text, -1) : NULL;
+ if (escaped != NULL && *escaped != '\0')
+ g_string_append_printf (
+ buffer, " &lt;<a href=\"mailto:%s\">%s</a>&gt;",
+ escaped, escaped);
+ g_free (escaped);
+
+ text = e_source_mail_identity_get_organization (extension);
+ escaped = (text != NULL) ? g_markup_escape_text (text, -1) : NULL;
+ if (escaped != NULL && *escaped != '\0')
+ g_string_append_printf (buffer, "<br>%s", escaped);
+ g_free (escaped);
+
+ context->length = buffer->len;
+ context->contents = g_string_free (buffer, FALSE);
+ context->is_html = TRUE;
+
+ g_object_unref (source);
+}
+
+static void
+mail_signature_combo_box_load_cb (ESource *source,
+ GAsyncResult *result,
+ GSimpleAsyncResult *simple)
+{
+ ESourceMailSignature *extension;
+ LoadContext *context;
+ const gchar *extension_name;
+ const gchar *mime_type;
+ GError *error = NULL;
+
+ context = g_simple_async_result_get_op_res_gpointer (simple);
+
+ e_source_mail_signature_load_finish (
+ source, result, &context->contents, &context->length, &error);
+
+ if (error != NULL) {
+ g_simple_async_result_set_from_error (simple, error);
+ g_simple_async_result_complete (simple);
+ g_object_unref (simple);
+ g_error_free (error);
+ return;
+ }
+
+ extension_name = E_SOURCE_EXTENSION_MAIL_SIGNATURE;
+ extension = e_source_get_extension (source, extension_name);
+ mime_type = e_source_mail_signature_get_mime_type (extension);
+ context->is_html = (g_strcmp0 (mime_type, "text/html") == 0);
+
+ g_simple_async_result_complete (simple);
+
+ g_object_unref (simple);
+}
+
+void
+e_mail_signature_combo_box_load_selected (EMailSignatureComboBox *combo_box,
+ gint io_priority,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
+{
+ GSimpleAsyncResult *simple;
+ ESourceRegistry *registry;
+ LoadContext *context;
+ ESource *source;
+ const gchar *active_id;
+
+ g_return_if_fail (E_IS_MAIL_SIGNATURE_COMBO_BOX (combo_box));
+
+ context = g_slice_new0 (LoadContext);
+
+ simple = g_simple_async_result_new (
+ G_OBJECT (combo_box), callback, user_data,
+ e_mail_signature_combo_box_load_selected);
+
+ g_simple_async_result_set_op_res_gpointer (
+ simple, context, (GDestroyNotify) load_context_free);
+
+ active_id = gtk_combo_box_get_active_id (GTK_COMBO_BOX (combo_box));
+
+ if (active_id == NULL) {
+ g_simple_async_result_complete_in_idle (simple);
+ g_object_unref (simple);
+ return;
+ }
+
+ if (g_strcmp0 (active_id, E_MAIL_SIGNATURE_AUTOGENERATED_UID) == 0) {
+ mail_signature_combo_box_autogenerate (combo_box, context);
+ g_simple_async_result_complete_in_idle (simple);
+ g_object_unref (simple);
+ return;
+ }
+
+ registry = e_mail_signature_combo_box_get_registry (combo_box);
+ source = e_source_registry_ref_source (registry, active_id);
+
+ /* If for some reason the ESource lookup fails, handle it as
+ * though "None" were selected. No need to report an error. */
+ if (source == NULL) {
+ g_simple_async_result_complete_in_idle (simple);
+ g_object_unref (simple);
+ return;
+ }
+
+ e_source_mail_signature_load (
+ source, io_priority, cancellable, (GAsyncReadyCallback)
+ mail_signature_combo_box_load_cb, simple);
+
+ g_object_unref (source);
+}
+
+gboolean
+e_mail_signature_combo_box_load_selected_finish (EMailSignatureComboBox *combo_box,
+ GAsyncResult *result,
+ gchar **contents,
+ gsize *length,
+ gboolean *is_html,
+ GError **error)
+{
+ GSimpleAsyncResult *simple;
+ LoadContext *context;
+
+ g_return_val_if_fail (
+ g_simple_async_result_is_valid (
+ result, G_OBJECT (combo_box),
+ e_mail_signature_combo_box_load_selected), FALSE);
+
+ simple = G_SIMPLE_ASYNC_RESULT (result);
+ context = g_simple_async_result_get_op_res_gpointer (simple);
+
+ if (g_simple_async_result_propagate_error (simple, error))
+ return FALSE;
+
+ if (contents != NULL) {
+ *contents = context->contents;
+ context->contents = NULL;
+ }
+
+ if (length != NULL)
+ *length = context->length;
+
+ if (is_html != NULL)
+ *is_html = context->is_html;
+
+ return TRUE;
+}
generated by cgit (git 2.34.1) at 2024-11-12 02:25:20 +0800