[mutter/wip/carlosg/clipboard-manager: 6/10] core: Add memory-based selection source
- From: Carlos Garnacho <carlosg src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [mutter/wip/carlosg/clipboard-manager: 6/10] core: Add memory-based selection source
- Date: Thu, 14 Feb 2019 16:41:55 +0000 (UTC)
commit 4fb4bd8ae8448d7d00d07f98d77622eee08e59ca
Author: Carlos Garnacho <carlosg gnome org>
Date: Mon Nov 19 19:50:21 2018 +0100
core: Add memory-based selection source
This is a simple implementation of a MetaSelectionSource, able to hold a
single mimetype, provided as GBytes.
src/core/meta-selection-source-memory.c | 127 ++++++++++++++++++++++++++++++++
src/core/meta-selection-source-memory.h | 36 +++++++++
src/meson.build | 2 +
3 files changed, 165 insertions(+)
---
diff --git a/src/core/meta-selection-source-memory.c b/src/core/meta-selection-source-memory.c
new file mode 100644
index 000000000..1a6e73ac5
--- /dev/null
+++ b/src/core/meta-selection-source-memory.c
@@ -0,0 +1,127 @@
+/*
+ * Copyright (C) 2018 Red Hat
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ *
+ * Author: Carlos Garnacho <carlosg gnome org>
+ */
+
+#include "config.h"
+
+#include "core/meta-selection-source-memory.h"
+
+struct _MetaSelectionSourceMemory
+{
+ MetaSelectionSource parent_instance;
+ char *mimetype;
+ GBytes *content;
+};
+
+G_DEFINE_TYPE (MetaSelectionSourceMemory,
+ meta_selection_source_memory,
+ META_TYPE_SELECTION_SOURCE)
+
+static void
+meta_selection_source_memory_read_async (MetaSelectionSource *source,
+ const gchar *mimetype,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
+{
+ MetaSelectionSourceMemory *source_mem = META_SELECTION_SOURCE_MEMORY (source);
+ GInputStream *stream;
+ GTask *task;
+
+ if (g_strcmp0 (mimetype, source_mem->mimetype) != 0)
+ {
+ g_task_report_new_error (source, callback, user_data,
+ meta_selection_source_memory_read_async,
+ G_IO_ERROR, G_IO_ERROR_FAILED,
+ "Mimetype not in selection");
+ return;
+ }
+
+ task = g_task_new (source, cancellable, callback, user_data);
+ g_task_set_source_tag (task, meta_selection_source_memory_read_async);
+
+ stream = g_memory_input_stream_new_from_bytes (source_mem->content);
+ g_task_return_pointer (task, stream, g_object_unref);
+}
+
+static GInputStream *
+meta_selection_source_memory_read_finish (MetaSelectionSource *source,
+ GAsyncResult *result,
+ GError **error)
+{
+ g_return_val_if_fail (g_task_is_valid (result, source), FALSE);
+ g_return_val_if_fail (g_task_get_source_tag (G_TASK (result)) ==
+ meta_selection_source_memory_read_async, FALSE);
+
+ return g_task_propagate_pointer (G_TASK (result), error);
+}
+
+static GList *
+meta_selection_source_memory_get_mimetypes (MetaSelectionSource *source)
+{
+ MetaSelectionSourceMemory *source_mem = META_SELECTION_SOURCE_MEMORY (source);
+
+ return g_list_prepend (NULL, g_strdup (source_mem->mimetype));
+}
+
+static void
+meta_selection_source_memory_finalize (GObject *object)
+{
+ MetaSelectionSourceMemory *source_mem = META_SELECTION_SOURCE_MEMORY (object);
+
+ g_bytes_unref (source_mem->content);
+ g_free (source_mem->mimetype);
+
+ G_OBJECT_CLASS (meta_selection_source_memory_parent_class)->finalize (object);
+}
+
+static void
+meta_selection_source_memory_class_init (MetaSelectionSourceMemoryClass *klass)
+{
+ MetaSelectionSourceClass *source_class = META_SELECTION_SOURCE_CLASS (klass);
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+ object_class->finalize = meta_selection_source_memory_finalize;
+
+ source_class->read_async = meta_selection_source_memory_read_async;
+ source_class->read_finish = meta_selection_source_memory_read_finish;
+ source_class->get_mimetypes = meta_selection_source_memory_get_mimetypes;
+}
+
+static void
+meta_selection_source_memory_init (MetaSelectionSourceMemory *source)
+{
+}
+
+MetaSelectionSource *
+meta_selection_source_memory_new (const gchar *mimetype,
+ GBytes *content)
+{
+ MetaSelectionSourceMemory *source;
+
+ g_return_val_if_fail (mimetype != NULL, NULL);
+ g_return_val_if_fail (content != NULL, NULL);
+
+ source = g_object_new (META_TYPE_SELECTION_SOURCE_MEMORY, NULL);
+ source->mimetype = g_strdup (mimetype);
+ source->content = g_bytes_ref (content);
+
+ return META_SELECTION_SOURCE (source);
+}
diff --git a/src/core/meta-selection-source-memory.h b/src/core/meta-selection-source-memory.h
new file mode 100644
index 000000000..efe55c9ba
--- /dev/null
+++ b/src/core/meta-selection-source-memory.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2018 Red Hat
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ *
+ * Author: Carlos Garnacho <carlosg gnome org>
+ */
+
+#ifndef META_MEMORY_SELECTION_SOURCE_H
+#define META_MEMORY_SELECTION_SOURCE_H
+
+#include "core/meta-selection-source.h"
+
+#define META_TYPE_SELECTION_SOURCE_MEMORY (meta_selection_source_memory_get_type ())
+G_DECLARE_FINAL_TYPE (MetaSelectionSourceMemory,
+ meta_selection_source_memory,
+ META, SELECTION_SOURCE_MEMORY,
+ MetaSelectionSource)
+
+MetaSelectionSource * meta_selection_source_memory_new (const gchar *mimetype,
+ GBytes *content);
+
+#endif /* META_SELECTION_SOURCE_MEMORY_H */
diff --git a/src/meson.build b/src/meson.build
index e977187c5..baab07c8b 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -345,6 +345,8 @@ mutter_sources = [
'core/meta-selection.h',
'core/meta-selection-source.c',
'core/meta-selection-source.h',
+ 'core/meta-selection-source-memory.c',
+ 'core/meta-selection-source-memory.h',
'core/meta-sound-player.c',
'core/meta-workspace-manager.c',
'core/meta-workspace-manager-private.h',
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