diff options
Diffstat (limited to 'widgets/misc/e-attachment.c')
-rw-r--r-- | widgets/misc/e-attachment.c | 620 |
1 files changed, 0 insertions, 620 deletions
diff --git a/widgets/misc/e-attachment.c b/widgets/misc/e-attachment.c index 537a3470d7..b2c3e1579e 100644 --- a/widgets/misc/e-attachment.c +++ b/widgets/misc/e-attachment.c @@ -1915,626 +1915,6 @@ attachment_open_context_free (OpenContext *open_context) g_slice_free (OpenContext, open_context); } -static gboolean -attachment_open_check_for_error (OpenContext *open_context, - GError *error) -{ - GSimpleAsyncResult *simple; - - if (error == NULL) - return FALSE; - - /* Steal the result. */ - simple = open_context->simple; - open_context->simple = NULL; - - g_simple_async_result_set_from_error (simple, error); - g_simple_async_result_complete (simple); - g_error_free (error); - - attachment_open_context_free (open_context); - - return TRUE; -} - -static void -attachment_open_file (GFile *file, - OpenContext *open_context) -{ - GdkAppLaunchContext *context; - GSimpleAsyncResult *simple; - GList *file_list; - gboolean success; - GError *error = NULL; - - /* Steal the result. */ - simple = open_context->simple; - open_context->simple = NULL; - - /* Find a default app based on content type. */ - if (open_context->app_info == NULL) { - EAttachment *attachment; - GFileInfo *file_info; - const gchar *content_type; - - attachment = open_context->attachment; - file_info = e_attachment_get_file_info (attachment); - if (file_info == NULL) - goto exit; - - content_type = g_file_info_get_content_type (file_info); - if (content_type == NULL) - goto exit; - - open_context->app_info = g_app_info_get_default_for_type ( - content_type, FALSE); - } - - if (open_context->app_info == NULL) - goto exit; - - context = gdk_app_launch_context_new (); - file_list = g_list_prepend (NULL, file); - - success = g_app_info_launch ( - open_context->app_info, file_list, - G_APP_LAUNCH_CONTEXT (context), &error); - - g_simple_async_result_set_op_res_gboolean (simple, success); - - g_list_free (file_list); - g_object_unref (context); - -exit: - if (error != NULL) { - g_simple_async_result_set_from_error (simple, error); - g_error_free (error); - } - - g_simple_async_result_complete (simple); - attachment_open_context_free (open_context); -} - -static void -attachment_open_save_finished_cb (EAttachment *attachment, - GAsyncResult *result, - OpenContext *open_context) -{ - GFile *file; - GError *error = NULL; - - file = e_attachment_save_finish (attachment, result, &error); - - if (attachment_open_check_for_error (open_context, error)) - return; - - attachment_open_file (file, open_context); - g_object_unref (file); -} - -static void -attachment_open_save_temporary (OpenContext *open_context) -{ - GFile *file; - gchar *template; - gchar *path; - GError *error = NULL; - - errno = 0; - - /* XXX This could trigger a blocking temp directory cleanup. */ - template = g_strdup_printf (PACKAGE "-%s-XXXXXX", g_get_user_name ()); - path = e_mktemp (template); - g_free (template); - - /* XXX Let's hope errno got set properly. */ - if (path == NULL) - g_set_error ( - &error, G_FILE_ERROR, - g_file_error_from_errno (errno), - "%s", g_strerror (errno)); - - /* We already know if there's an error, but this does the cleanup. */ - if (attachment_open_check_for_error (open_context, error)) - return; - - file = g_file_new_for_path (path); - - g_free (path); - - e_attachment_save_async ( - open_context->attachment, file, (GAsyncReadyCallback) - attachment_open_save_finished_cb, open_context); - - g_object_unref (file); -} - -void -e_attachment_open_async (EAttachment *attachment, - GAppInfo *app_info, - GAsyncReadyCallback callback, - gpointer user_data) -{ - OpenContext *open_context; - CamelMimePart *mime_part; - GFile *file; - - g_return_if_fail (E_IS_ATTACHMENT (attachment)); - g_return_if_fail (callback != NULL); - - file = e_attachment_get_file (attachment); - mime_part = e_attachment_get_mime_part (attachment); - g_return_if_fail (file != NULL || mime_part != NULL); - - open_context = attachment_open_context_new ( - attachment, callback, user_data); - - if (G_IS_APP_INFO (app_info)) - open_context->app_info = g_object_ref (app_info); - - /* If the attachment already references a GFile, we can launch - * the application directly. Otherwise we have to save the MIME - * part to a temporary file and launch the application from that. */ - if (file != NULL) { - attachment_open_file (file, open_context); - - } else if (mime_part != NULL) - attachment_open_save_temporary (open_context); -} - -gboolean -e_attachment_open_finish (EAttachment *attachment, - GAsyncResult *result, - GError **error) -{ - GSimpleAsyncResult *simple; - gboolean success; - - g_return_val_if_fail (E_IS_ATTACHMENT (attachment), FALSE); - g_return_val_if_fail (G_IS_SIMPLE_ASYNC_RESULT (result), FALSE); - - simple = G_SIMPLE_ASYNC_RESULT (result); - success = g_simple_async_result_get_op_res_gboolean (simple); - g_simple_async_result_propagate_error (simple, error); - g_object_unref (simple); - - return success; -} - -void -e_attachment_open_handle_error (EAttachment *attachment, - GAsyncResult *result, - GtkWindow *parent) -{ - GtkWidget *dialog; - GFileInfo *file_info; - const gchar *display_name; - const gchar *primary_text; - GError *error = NULL; - - g_return_if_fail (E_IS_ATTACHMENT (attachment)); - g_return_if_fail (G_IS_ASYNC_RESULT (result)); - g_return_if_fail (GTK_IS_WINDOW (parent)); - - if (e_attachment_open_finish (attachment, result, &error)) - return; - - /* Ignore cancellations. */ - if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) - return; - - file_info = e_attachment_get_file_info (attachment); - - if (file_info != NULL) - display_name = g_file_info_get_display_name (file_info); - else - display_name = NULL; - - if (display_name != NULL) - primary_text = g_strdup_printf ( - _("Could not open '%s'"), display_name); - else - primary_text = g_strdup_printf ( - _("Could not open the attachment")); - - dialog = gtk_message_dialog_new_with_markup ( - parent, GTK_DIALOG_DESTROY_WITH_PARENT, - GTK_MESSAGE_ERROR, GTK_BUTTONS_OK, - "<big><b>%s</b></big>", primary_text); - - 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); -} - -/************************* e_attachment_save_async() *************************/ - -typedef struct _SaveContext SaveContext; - -struct _SaveContext { - EAttachment *attachment; - GSimpleAsyncResult *simple; - - GFile *directory; - GFile *destination; - GInputStream *input_stream; - GOutputStream *output_stream; - goffset total_num_bytes; - gssize bytes_read; - gchar buffer[4096]; - gint count; -}; - -/* Forward Declaration */ -static void -attachment_save_read_cb (GInputStream *input_stream, - GAsyncResult *result, - SaveContext *save_context); - -static SaveContext * -attachment_save_context_new (EAttachment *attachment, - GAsyncReadyCallback callback, - gpointer user_data) -{ - SaveContext *save_context; - GSimpleAsyncResult *simple; - - simple = g_simple_async_result_new ( - G_OBJECT (attachment), callback, - user_data, e_attachment_save_async); - - save_context = g_slice_new0 (SaveContext); - save_context->attachment = g_object_ref (attachment); - save_context->simple = simple; - - attachment_set_saving (save_context->attachment, TRUE); - - return save_context; -} - -static void -attachment_save_context_free (SaveContext *save_context) -{ - /* Do not free the GSimpleAsyncResult. */ - g_object_unref (save_context->attachment); - - if (save_context->directory != NULL) - g_object_unref (save_context->directory); - - if (save_context->destination != NULL) - g_object_unref (save_context->destination); - - if (save_context->input_stream != NULL) - g_object_unref (save_context->input_stream); - - if (save_context->output_stream != NULL) - g_object_unref (save_context->output_stream); - - g_slice_free (SaveContext, save_context); -} - -static gboolean -attachment_save_check_for_error (SaveContext *save_context, - GError *error) -{ - GSimpleAsyncResult *simple; - - if (error == NULL) - return FALSE; - - /* Steal the result. */ - simple = save_context->simple; - save_context->simple = NULL; - - g_simple_async_result_set_from_error (simple, error); - g_simple_async_result_complete (simple); - g_error_free (error); - - attachment_save_context_free (save_context); - - return TRUE; -} - -static GFile * -attachment_save_new_candidate (SaveContext *save_context) -{ - GFile *candidate; - GFileInfo *file_info; - EAttachment *attachment; - const gchar *display_name; - gchar *basename; - - attachment = save_context->attachment; - file_info = e_attachment_get_file_info (attachment); - - if (file_info != NULL) - display_name = g_file_info_get_display_name (file_info); - if (display_name == NULL) - /* Translators: Default attachment filename. */ - display_name = _("attachment.dat"); - - if (save_context->count == 0) - basename = g_strdup (display_name); - else { - GString *string; - const gchar *ext; - gsize length; - - string = g_string_sized_new (strlen (display_name)); - ext = g_utf8_strchr (display_name, -1, '.'); - - if (ext != NULL) - length = ext - display_name; - else - length = strlen (display_name); - - g_string_append_len (string, display_name, length); - g_string_append_printf (string, " (%d)", save_context->count); - g_string_append (string, (ext != NULL) ? ext : ""); - - basename = g_string_free (string, FALSE); - } - - save_context->count++; - - candidate = g_file_get_child (save_context->directory, basename); - - g_free (basename); - - return candidate; -} - -static void -attachment_save_write_cb (GOutputStream *output_stream, - GAsyncResult *result, - SaveContext *save_context) -{ - EAttachment *attachment; - GCancellable *cancellable; - GInputStream *input_stream; - gssize bytes_written; - GError *error = NULL; - - bytes_written = g_output_stream_write_finish ( - output_stream, result, &error); - - if (attachment_save_check_for_error (save_context, error)) - return; - - attachment = save_context->attachment; - cancellable = attachment->priv->cancellable; - input_stream = save_context->input_stream; - - if (bytes_written < save_context->bytes_read) { - g_memmove ( - save_context->buffer, - save_context->buffer + bytes_written, - save_context->bytes_read - bytes_written); - save_context->bytes_read -= bytes_written; - - g_output_stream_write_async ( - output_stream, - save_context->buffer, - save_context->bytes_read, - G_PRIORITY_DEFAULT, cancellable, - (GAsyncReadyCallback) attachment_save_write_cb, - save_context); - } else - g_input_stream_read_async ( - input_stream, - save_context->buffer, - sizeof (save_context->buffer), - G_PRIORITY_DEFAULT, cancellable, - (GAsyncReadyCallback) attachment_save_read_cb, - save_context); -} - -static void -attachment_save_read_cb (GInputStream *input_stream, - GAsyncResult *result, - SaveContext *save_context) -{ - EAttachment *attachment; - GCancellable *cancellable; - GOutputStream *output_stream; - gssize bytes_read; - GError *error = NULL; - - bytes_read = g_input_stream_read_finish ( - input_stream, result, &error); - - if (attachment_save_check_for_error (save_context, error)) - return; - - if (bytes_read == 0) { - GSimpleAsyncResult *simple; - GFile *destination; - - /* Steal the result. */ - simple = save_context->simple; - save_context->simple = NULL; - - /* Steal the destination. */ - destination = save_context->destination; - save_context->destination = NULL; - - g_simple_async_result_set_op_res_gpointer ( - simple, destination, (GDestroyNotify) g_object_unref); - g_simple_async_result_complete (simple); - - attachment_save_context_free (save_context); - - return; - } - - attachment = save_context->attachment; - cancellable = attachment->priv->cancellable; - output_stream = save_context->output_stream; - save_context->bytes_read = bytes_read; - - attachment_progress_cb ( - g_seekable_tell (G_SEEKABLE (input_stream)), - save_context->total_num_bytes, attachment); - - g_output_stream_write_async ( - output_stream, - save_context->buffer, - save_context->bytes_read, - G_PRIORITY_DEFAULT, cancellable, - (GAsyncReadyCallback) attachment_save_write_cb, - save_context); -} - -static void -attachment_save_got_output_stream (SaveContext *save_context) -{ - GCancellable *cancellable; - GInputStream *input_stream; - CamelDataWrapper *wrapper; - CamelMimePart *mime_part; - CamelStream *stream; - EAttachment *attachment; - GByteArray *buffer; - - attachment = save_context->attachment; - cancellable = attachment->priv->cancellable; - mime_part = e_attachment_get_mime_part (attachment); - - /* Decode the MIME part to an in-memory buffer. We have to do - * this because CamelStream is synchronous-only, and using threads - * is dangerous because CamelDataWrapper is not reentrant. */ - buffer = g_byte_array_new (); - stream = camel_stream_mem_new (); - camel_stream_mem_set_byte_array (CAMEL_STREAM_MEM (stream), buffer); - wrapper = camel_medium_get_content_object (CAMEL_MEDIUM (mime_part)); - camel_data_wrapper_decode_to_stream (wrapper, stream); - camel_object_unref (stream); - - /* Load the buffer into a GMemoryInputStream. */ - input_stream = g_memory_input_stream_new_from_data ( - buffer->data, (gssize) buffer->len, - (GDestroyNotify) g_free); - save_context->input_stream = input_stream; - save_context->total_num_bytes = (goffset) buffer->len; - g_byte_array_free (buffer, FALSE); - - g_input_stream_read_async ( - input_stream, - save_context->buffer, - sizeof (save_context->buffer), - G_PRIORITY_DEFAULT, cancellable, - (GAsyncReadyCallback) attachment_save_read_cb, - save_context); -} - -static void -attachment_save_create_cb (GFile *destination, - GAsyncResult *result, - SaveContext *save_context) -{ - EAttachment *attachment; - GCancellable *cancellable; - GFileOutputStream *output_stream; - GError *error = NULL; - - /* Output stream might be NULL, so don't use cast macro. */ - output_stream = g_file_create_finish (destination, result, &error); - save_context->output_stream = (GOutputStream *) output_stream; - - attachment = save_context->attachment; - cancellable = attachment->priv->cancellable; - - if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_EXISTS)) { - destination = attachment_save_new_candidate (save_context); - - g_file_create_async ( - destination, G_FILE_CREATE_NONE, - G_PRIORITY_DEFAULT, cancellable, - (GAsyncReadyCallback) attachment_save_create_cb, - save_context); - - g_object_unref (destination); - g_error_free (error); - return; - } - - if (attachment_save_check_for_error (save_context, error)) - return; - - save_context->destination = g_object_ref (destination); - attachment_save_got_output_stream (save_context); -} - -static void -attachment_save_replace_cb (GFile *destination, - GAsyncResult *result, - SaveContext *save_context) -{ - GFileOutputStream *output_stream; - GError *error = NULL; - - /* Output stream might be NULL, so don't use cast macro. */ - output_stream = g_file_replace_finish (destination, result, &error); - save_context->output_stream = (GOutputStream *) output_stream; - - if (attachment_save_check_for_error (save_context, error)) - return; - - save_context->destination = g_object_ref (destination); - attachment_save_got_output_stream (save_context); -} - -static void -attachment_save_query_info_cb (GFile *destination, - GAsyncResult *result, - SaveContext *save_context) -{ - EAttachment *attachment; - GCancellable *cancellable; - GFileInfo *file_info; - GFileType file_type; - GError *error = NULL; - - attachment = save_context->attachment; - cancellable = attachment->priv->cancellable; - - file_info = g_file_query_info_finish (destination, result, &error); - - /* G_IO_ERROR_NOT_FOUND just means we're creating a new file. */ - if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND)) { - g_error_free (error); - goto replace; - } - - if (attachment_save_check_for_error (save_context, error)) - return; - - file_type = g_file_info_get_file_type (file_info); - g_object_unref (file_info); - - if (file_type == G_FILE_TYPE_DIRECTORY) { - save_context->directory = g_object_ref (destination); - destination = attachment_save_new_candidate (save_context); - - g_file_create_async ( - destination, G_FILE_CREATE_NONE, - G_PRIORITY_DEFAULT, cancellable, - (GAsyncReadyCallback) attachment_save_create_cb, - save_context); - - g_object_unref (destination); - - return; - } - -replace: - g_file_replace_async ( - destination, NULL, FALSE, - G_FILE_CREATE_REPLACE_DESTINATION, G_PRIORITY_DEFAULT, cancellable, (GAsyncReadyCallback) attachment_save_replace_cb, save_context); |