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Diffstat (limited to 'e-util/e-attachment-handler-image.c')
| -rw-r--r-- | e-util/e-attachment-handler-image.c | 246 |
1 files changed, 246 insertions, 0 deletions
diff --git a/e-util/e-attachment-handler-image.c b/e-util/e-attachment-handler-image.c new file mode 100644 index 0000000000..36c3a83614 --- /dev/null +++ b/e-util/e-attachment-handler-image.c @@ -0,0 +1,246 @@ +/* + * 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) + * + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include "e-attachment-handler-image.h" + +#include <glib/gi18n.h> +#include <gdesktop-enums.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 const gchar *ui = +"<ui>" +" <popup name='context'>" +" <placeholder name='custom-actions'>" +" <menuitem action='image-set-as-background'/>" +" </placeholder>" +" </popup>" +"</ui>"; + +G_DEFINE_TYPE ( + EAttachmentHandlerImage, + e_attachment_handler_image, + E_TYPE_ATTACHMENT_HANDLER) + +static void +action_image_set_as_background_saved_cb (EAttachment *attachment, + GAsyncResult *result, + EAttachmentHandler *handler) +{ + GDesktopBackgroundStyle style; + EAttachmentView *view; + GSettings *settings; + GtkWidget *dialog; + GFile *file; + gpointer parent; + gchar *uri; + GError *error = NULL; + + view = e_attachment_handler_get_view (handler); + settings = g_settings_new ("org.gnome.desktop.background"); + + file = e_attachment_save_finish (attachment, result, &error); + + if (error != NULL) + goto error; + + uri = g_file_get_uri (file); + g_settings_set_string (settings, "picture-uri", uri); + g_free (uri); + + style = g_settings_get_enum (settings, "picture-options"); + if (style == G_DESKTOP_BACKGROUND_STYLE_NONE) + g_settings_set_enum ( + settings, "picture-options", + G_DESKTOP_BACKGROUND_STYLE_WALLPAPER); + + g_object_unref (file); + + goto exit; + +error: + parent = gtk_widget_get_toplevel (GTK_WIDGET (view)); + parent = gtk_widget_is_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 (settings); + g_object_unref (handler); +} + +static void +action_image_set_as_background_cb (GtkAction *action, + EAttachmentHandler *handler) +{ + EAttachmentView *view; + EAttachment *attachment; + GFile *destination; + GList *selected; + const 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 the user's Pictures directory. */ + path = g_get_user_special_dir (G_USER_DIRECTORY_PICTURES); + destination = g_file_new_for_path (path); + g_mkdir_with_parents (path, 0755); + + 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) +{ + EAttachment *attachment; + GFileInfo *file_info; + GtkActionGroup *action_group; + const gchar *content_type; + gchar *mime_type; + GList *selected; + gboolean visible = FALSE; + + 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) +{ + EAttachmentHandler *handler; + EAttachmentView *view; + GtkActionGroup *action_group; + GtkUIManager *ui_manager; + GError *error = NULL; + + handler = E_ATTACHMENT_HANDLER (object); + + /* Chain up to parent's constructed() method. */ + G_OBJECT_CLASS (e_attachment_handler_image_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 +e_attachment_handler_image_class_init (EAttachmentHandlerImageClass *class) +{ + GObjectClass *object_class; + + g_type_class_add_private (class, sizeof (EAttachmentHandlerImagePrivate)); + + object_class = G_OBJECT_CLASS (class); + object_class->constructed = attachment_handler_image_constructed; +} + +static void +e_attachment_handler_image_init (EAttachmentHandlerImage *handler) +{ + handler->priv = E_ATTACHMENT_HANDLER_IMAGE_GET_PRIVATE (handler); +} |