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129 lines
4.2 KiB
C
129 lines
4.2 KiB
C
/*
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* Copyright (C) 2018 Red Hat
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*
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* Author: Carlos Garnacho <carlosg@gnome.org>
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*/
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#include "config.h"
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#include "meta/meta-selection-source-memory.h"
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struct _MetaSelectionSourceMemory
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{
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MetaSelectionSource parent_instance;
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char *mimetype;
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GBytes *content;
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};
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G_DEFINE_TYPE (MetaSelectionSourceMemory,
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meta_selection_source_memory,
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META_TYPE_SELECTION_SOURCE)
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static void
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meta_selection_source_memory_read_async (MetaSelectionSource *source,
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const char *mimetype,
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GCancellable *cancellable,
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GAsyncReadyCallback callback,
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gpointer user_data)
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{
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MetaSelectionSourceMemory *source_mem = META_SELECTION_SOURCE_MEMORY (source);
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GInputStream *stream;
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g_autoptr (GTask) task = NULL;
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if (g_strcmp0 (mimetype, source_mem->mimetype) != 0)
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{
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g_task_report_new_error (source, callback, user_data,
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meta_selection_source_memory_read_async,
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G_IO_ERROR, G_IO_ERROR_FAILED,
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"Mimetype not in selection");
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return;
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}
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task = g_task_new (source, cancellable, callback, user_data);
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g_task_set_source_tag (task, meta_selection_source_memory_read_async);
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stream = g_memory_input_stream_new_from_bytes (source_mem->content);
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g_task_return_pointer (task, stream, g_object_unref);
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}
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static GInputStream *
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meta_selection_source_memory_read_finish (MetaSelectionSource *source,
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GAsyncResult *result,
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GError **error)
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{
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g_assert (g_task_get_source_tag (G_TASK (result)) ==
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meta_selection_source_memory_read_async);
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return g_task_propagate_pointer (G_TASK (result), error);
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}
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static GList *
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meta_selection_source_memory_get_mimetypes (MetaSelectionSource *source)
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{
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MetaSelectionSourceMemory *source_mem = META_SELECTION_SOURCE_MEMORY (source);
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if (!source_mem->mimetype)
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return NULL;
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return g_list_prepend (NULL, g_strdup (source_mem->mimetype));
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}
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static void
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meta_selection_source_memory_finalize (GObject *object)
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{
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MetaSelectionSourceMemory *source_mem = META_SELECTION_SOURCE_MEMORY (object);
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g_clear_pointer (&source_mem->content, g_bytes_unref);
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g_free (source_mem->mimetype);
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G_OBJECT_CLASS (meta_selection_source_memory_parent_class)->finalize (object);
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}
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static void
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meta_selection_source_memory_class_init (MetaSelectionSourceMemoryClass *klass)
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{
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MetaSelectionSourceClass *source_class = META_SELECTION_SOURCE_CLASS (klass);
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->finalize = meta_selection_source_memory_finalize;
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source_class->read_async = meta_selection_source_memory_read_async;
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source_class->read_finish = meta_selection_source_memory_read_finish;
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source_class->get_mimetypes = meta_selection_source_memory_get_mimetypes;
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}
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static void
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meta_selection_source_memory_init (MetaSelectionSourceMemory *source)
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{
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}
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MetaSelectionSource *
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meta_selection_source_memory_new (const char *mimetype,
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GBytes *content)
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{
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MetaSelectionSourceMemory *source;
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g_return_val_if_fail (mimetype != NULL, NULL);
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g_return_val_if_fail (content != NULL, NULL);
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source = g_object_new (META_TYPE_SELECTION_SOURCE_MEMORY, NULL);
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source->mimetype = g_strdup (mimetype);
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source->content = g_bytes_ref (content);
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return META_SELECTION_SOURCE (source);
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}
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