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-rw-r--r--widgets/misc/e-attachment-handler-image.c280
1 files changed, 280 insertions, 0 deletions
diff --git a/widgets/misc/e-attachment-handler-image.c b/widgets/misc/e-attachment-handler-image.c
new file mode 100644
index 0000000000..ba5f8d759c
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+++ b/widgets/misc/e-attachment-handler-image.c
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+/*
+ * e-attachment-handler-image.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-image.h"
+
+#include <glib/gi18n.h>
+#include <gconf/gconf-client.h>
+
+#define E_ATTACHMENT_HANDLER_IMAGE_GET_PRIVATE(obj) \
+ (G_TYPE_INSTANCE_GET_PRIVATE \
+ ((obj), E_TYPE_ATTACHMENT_HANDLER_IMAGE, EAttachmentHandlerImagePrivate))
+
+struct _EAttachmentHandlerImagePrivate {
+ gint placeholder;
+};
+
+static gpointer parent_class;
+
+static const gchar *ui =
+"<ui>"
+" <popup name='context'>"
+" <placeholder name='custom-actions'>"
+" <menuitem action='image-set-as-background'/>"
+" </placeholder>"
+" </popup>"
+"</ui>";
+
+static void
+action_image_set_as_background_saved_cb (EAttachment *attachment,
+ GAsyncResult *result,
+ EAttachmentHandler *handler)
+{
+ EAttachmentView *view;
+ GConfClient *client;
+ GtkWidget *dialog;
+ GFile *file;
+ const gchar *key;
+ gpointer parent;
+ gchar *value;
+ GError *error = NULL;
+
+ client = gconf_client_get_default ();
+ view = e_attachment_handler_get_view (handler);
+
+ file = e_attachment_save_finish (attachment, result, &error);
+
+ if (error != NULL)
+ goto error;
+
+ value = g_file_get_path (file);
+ g_object_unref (file);
+
+ key = "/desktop/gnome/background/picture_filename";
+ gconf_client_set_string (client, key, value, &error);
+ g_free (value);
+
+ if (error != NULL)
+ goto error;
+
+ /* Ignore errors for this part. */
+ key = "/desktop/gnome/background/picture_options";
+ value = gconf_client_get_string (client, key, NULL);
+ if (g_strcmp0 (value, "none") == 0)
+ gconf_client_set_string (client, key, "wallpaper", NULL);
+ g_free (value);
+
+ goto exit;
+
+error:
+ parent = gtk_widget_get_toplevel (GTK_WIDGET (view));
+ parent = GTK_WIDGET_TOPLEVEL (parent) ? parent : NULL;
+
+ dialog = gtk_message_dialog_new_with_markup (
+ parent, GTK_DIALOG_DESTROY_WITH_PARENT,
+ GTK_MESSAGE_ERROR, GTK_BUTTONS_OK,
+ "<big><b>%s</b></big>",
+ _("Could not set as background"));
+
+ gtk_message_dialog_format_secondary_text (
+ GTK_MESSAGE_DIALOG (dialog), "%s", error->message);
+
+ gtk_dialog_run (GTK_DIALOG (dialog));
+
+ gtk_widget_destroy (dialog);
+ g_error_free (error);
+
+exit:
+ g_object_unref (client);
+ g_object_unref (handler);
+}
+
+static void
+action_image_set_as_background_cb (GtkAction *action,
+ EAttachmentHandler *handler)
+{
+ EAttachmentView *view;
+ EAttachment *attachment;
+ GFile *destination;
+ GList *selected;
+ gchar *path;
+
+ view = e_attachment_handler_get_view (handler);
+ selected = e_attachment_view_get_selected_attachments (view);
+ g_return_if_fail (g_list_length (selected) == 1);
+ attachment = E_ATTACHMENT (selected->data);
+
+ /* Save the image under ~/.gnome2/wallpapers/. */
+ path = g_build_filename (
+ g_get_home_dir (), ".gnome2", "wallpapers", NULL);
+ destination = g_file_new_for_path (path);
+ g_mkdir_with_parents (path, 0755);
+ g_free (path);
+
+ e_attachment_save_async (
+ attachment, destination, (GAsyncReadyCallback)
+ action_image_set_as_background_saved_cb,
+ g_object_ref (handler));
+
+ g_object_unref (destination);
+
+ g_list_foreach (selected, (GFunc) g_object_unref, NULL);
+ g_list_free (selected);
+}
+
+static GtkActionEntry standard_entries[] = {
+
+ { "image-set-as-background",
+ NULL,
+ N_("Set as _Background"),
+ NULL,
+ NULL, /* XXX Add a tooltip! */
+ G_CALLBACK (action_image_set_as_background_cb) }
+};
+
+static void
+attachment_handler_image_update_actions_cb (EAttachmentView *view,
+ EAttachmentHandler *handler)
+{
+ EAttachmentHandlerImagePrivate *priv;
+ EAttachment *attachment;
+ GFileInfo *file_info;
+ GtkActionGroup *action_group;
+ const gchar *content_type;
+ gchar *mime_type;
+ GList *selected;
+ gboolean visible = FALSE;
+
+ priv = E_ATTACHMENT_HANDLER_IMAGE_GET_PRIVATE (handler);
+
+ selected = e_attachment_view_get_selected_attachments (view);
+
+ if (g_list_length (selected) != 1)
+ goto exit;
+
+ attachment = E_ATTACHMENT (selected->data);
+ file_info = e_attachment_get_file_info (attachment);
+
+ if (file_info == NULL)
+ goto exit;
+
+ if (e_attachment_get_loading (attachment))
+ goto exit;
+
+ if (e_attachment_get_saving (attachment))
+ goto exit;
+
+ content_type = g_file_info_get_content_type (file_info);
+
+ mime_type = g_content_type_get_mime_type (content_type);
+ visible = (g_ascii_strncasecmp (mime_type, "image/", 6) == 0);
+ g_free (mime_type);
+
+exit:
+ action_group = e_attachment_view_get_action_group (view, "image");
+ gtk_action_group_set_visible (action_group, visible);
+
+ g_list_foreach (selected, (GFunc) g_object_unref, NULL);
+ g_list_free (selected);
+}
+
+static void
+attachment_handler_image_constructed (GObject *object)
+{
+ EAttachmentHandlerImagePrivate *priv;
+ EAttachmentHandler *handler;
+ EAttachmentView *view;
+ GtkActionGroup *action_group;
+ GtkUIManager *ui_manager;
+ GError *error = NULL;
+
+ handler = E_ATTACHMENT_HANDLER (object);
+ priv = E_ATTACHMENT_HANDLER_IMAGE_GET_PRIVATE (object);
+
+ /* Chain up to parent's constructed() method. */
+ G_OBJECT_CLASS (parent_class)->constructed (object);
+
+ view = e_attachment_handler_get_view (handler);
+
+ action_group = e_attachment_view_add_action_group (view, "image");
+ gtk_action_group_add_actions (
+ action_group, standard_entries,
+ G_N_ELEMENTS (standard_entries), object);
+
+ ui_manager = e_attachment_view_get_ui_manager (view);
+ 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_image_update_actions_cb),
+ object);
+}
+
+static void
+attachment_handler_image_class_init (EAttachmentHandlerImageClass *class)
+{
+ GObjectClass *object_class;
+
+ parent_class = g_type_class_peek_parent (class);
+ g_type_class_add_private (class, sizeof (EAttachmentHandlerImagePrivate));
+
+ object_class = G_OBJECT_CLASS (class);
+ object_class->constructed = attachment_handler_image_constructed;
+}
+
+static void
+attachment_handler_image_init (EAttachmentHandlerImage *handler)
+{
+ handler->priv = E_ATTACHMENT_HANDLER_IMAGE_GET_PRIVATE (handler);
+}
+
+GType
+e_attachment_handler_image_get_type (void)
+{
+ static GType type = 0;
+
+ if (G_UNLIKELY (type == 0)) {
+ static const GTypeInfo type_info = {
+ sizeof (EAttachmentHandlerImageClass),
+ (GBaseInitFunc) NULL,
+ (GBaseFinalizeFunc) NULL,
+ (GClassInitFunc) attachment_handler_image_class_init,
+ (GClassFinalizeFunc) NULL,
+ NULL, /* class_data */
+ sizeof (EAttachmentHandlerImage),
+ 0, /* n_preallocs */
+ (GInstanceInitFunc) attachment_handler_image_init,
+ NULL /* value_table */
+ };
+
+ type = g_type_register_static (
+ E_TYPE_ATTACHMENT_HANDLER,
+ "EAttachmentHandlerImage",
+ &type_info, 0);
+ }
+
+ return type;
+}