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-rw-r--r--src/core/meta-selection.c415
1 files changed, 0 insertions, 415 deletions
diff --git a/src/core/meta-selection.c b/src/core/meta-selection.c
deleted file mode 100644
index 4e42e59a9..000000000
--- a/src/core/meta-selection.c
+++ /dev/null
@@ -1,415 +0,0 @@
-/*
- * 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-private.h"
-#include "meta/meta-selection.h"
-
-typedef struct TransferRequest TransferRequest;
-
-struct _MetaSelection
-{
- GObject parent_instance;
- MetaDisplay *display;
- MetaSelectionSource *owners[META_N_SELECTION_TYPES];
-};
-
-struct TransferRequest
-{
- MetaSelectionType selection_type;
- GInputStream *istream;
- GOutputStream *ostream;
- gssize len;
-};
-
-enum
-{
- OWNER_CHANGED,
- N_SIGNALS
-};
-
-static guint signals[N_SIGNALS] = { 0 };
-
-G_DEFINE_TYPE (MetaSelection, meta_selection, G_TYPE_OBJECT)
-
-static void read_selection_source_async (GTask *task,
- TransferRequest *request);
-
-static void
-meta_selection_dispose (GObject *object)
-{
- MetaSelection *selection = META_SELECTION (object);
- guint i;
-
- for (i = 0; i < META_N_SELECTION_TYPES; i++)
- {
- g_clear_object (&selection->owners[i]);
- }
-
- G_OBJECT_CLASS (meta_selection_parent_class)->dispose (object);
-}
-
-static void
-meta_selection_class_init (MetaSelectionClass *klass)
-{
- GObjectClass *object_class = G_OBJECT_CLASS (klass);
-
- object_class->dispose = meta_selection_dispose;
-
- signals[OWNER_CHANGED] =
- g_signal_new ("owner-changed",
- G_TYPE_FROM_CLASS (klass),
- G_SIGNAL_RUN_LAST,
- 0,
- NULL, NULL, NULL,
- G_TYPE_NONE, 2,
- G_TYPE_UINT,
- META_TYPE_SELECTION_SOURCE);
-}
-
-static void
-meta_selection_init (MetaSelection *selection)
-{
-}
-
-MetaSelection *
-meta_selection_new (MetaDisplay *display)
-{
- return g_object_new (META_TYPE_SELECTION,
- NULL);
-}
-
-/**
- * meta_selection_set_owner:
- * @selection: The selection manager
- * @selection_type: Selection type
- * @owner: New selection owner
- *
- * Sets @owner as the owner of the selection given by @selection_type,
- * unsets any previous owner there was.
- **/
-void
-meta_selection_set_owner (MetaSelection *selection,
- MetaSelectionType selection_type,
- MetaSelectionSource *owner)
-{
- g_return_if_fail (META_IS_SELECTION (selection));
- g_return_if_fail (selection_type < META_N_SELECTION_TYPES);
-
- if (selection->owners[selection_type] == owner)
- return;
-
- if (selection->owners[selection_type])
- g_signal_emit_by_name (selection->owners[selection_type], "deactivated");
-
- g_set_object (&selection->owners[selection_type], owner);
- g_signal_emit_by_name (owner, "activated");
- g_signal_emit (selection, signals[OWNER_CHANGED], 0, selection_type, owner);
-}
-
-/**
- * meta_selection_unset_owner:
- * @selection: The selection manager
- * @selection_type: Selection type
- * @owner: Owner to unset
- *
- * Unsets @owner as the owner the selection given by @selection_type. If
- * @owner does not own the selection, nothing is done.
- **/
-void
-meta_selection_unset_owner (MetaSelection *selection,
- MetaSelectionType selection_type,
- MetaSelectionSource *owner)
-{
- g_return_if_fail (META_IS_SELECTION (selection));
- g_return_if_fail (selection_type < META_N_SELECTION_TYPES);
-
- if (selection->owners[selection_type] == owner)
- {
- g_signal_emit_by_name (owner, "deactivated");
- g_clear_object (&selection->owners[selection_type]);
- g_signal_emit (selection, signals[OWNER_CHANGED], 0,
- selection_type, NULL);
- }
-}
-
-/**
- * meta_selection_get_mimetypes:
- * @selection: The selection manager
- * @selection_type: Selection to query
- *
- * Returns the list of supported mimetypes for the given selection type.
- *
- * Returns: (element-type utf8) (transfer full): The supported mimetypes
- */
-GList *
-meta_selection_get_mimetypes (MetaSelection *selection,
- MetaSelectionType selection_type)
-{
- g_return_val_if_fail (META_IS_SELECTION (selection), NULL);
- g_return_val_if_fail (selection_type < META_N_SELECTION_TYPES, NULL);
-
- if (!selection->owners[selection_type])
- return NULL;
-
- return meta_selection_source_get_mimetypes (selection->owners[selection_type]);
-}
-
-static TransferRequest *
-transfer_request_new (GOutputStream *ostream,
- MetaSelectionType selection_type,
- gssize len)
-{
- TransferRequest *request;
-
- request = g_new0 (TransferRequest, 1);
- request->ostream = g_object_ref (ostream);
- request->selection_type = selection_type;
- request->len = len;
- return request;
-}
-
-static void
-transfer_request_free (TransferRequest *request)
-{
- g_clear_object (&request->istream);
- g_clear_object (&request->ostream);
- g_free (request);
-}
-
-static void
-splice_cb (GOutputStream *stream,
- GAsyncResult *result,
- GTask *task)
-{
- GError *error = NULL;
-
- g_output_stream_splice_finish (stream, result, &error);
- if (error)
- {
- g_task_return_error (task, error);
- g_object_unref (task);
- return;
- }
-
- g_task_return_boolean (task, TRUE);
- g_object_unref (task);
-}
-
-static void
-write_cb (GOutputStream *stream,
- GAsyncResult *result,
- GTask *task)
-{
- TransferRequest *request;
- GError *error = NULL;
-
- g_output_stream_write_bytes_finish (stream, result, &error);
- if (error)
- {
- g_task_return_error (task, error);
- g_object_unref (task);
- return;
- }
-
- request = g_task_get_task_data (task);
-
- if (request->len > 0)
- {
- read_selection_source_async (task, request);
- }
- else
- {
- g_task_return_boolean (task, TRUE);
- g_object_unref (task);
- }
-}
-
-static void
-read_cb (GInputStream *stream,
- GAsyncResult *result,
- GTask *task)
-{
- TransferRequest *request;
- GError *error = NULL;
- GBytes *bytes;
-
- bytes = g_input_stream_read_bytes_finish (stream, result, &error);
- if (error)
- {
- g_task_return_error (task, error);
- g_object_unref (task);
- return;
- }
- else if (g_bytes_get_size (bytes) == 0)
- {
- g_task_return_boolean (task, TRUE);
- g_object_unref (task);
- return;
- }
-
- request = g_task_get_task_data (task);
-
- if (request->len < g_bytes_get_size (bytes))
- {
- GBytes *copy;
-
- /* Trim content */
- copy = g_bytes_new_from_bytes (bytes, 0, request->len);
- g_bytes_unref (bytes);
- bytes = copy;
- }
-
- request->len -= g_bytes_get_size (bytes);
- g_output_stream_write_bytes_async (request->ostream,
- bytes,
- G_PRIORITY_DEFAULT,
- g_task_get_cancellable (task),
- (GAsyncReadyCallback) write_cb,
- task);
- g_bytes_unref (bytes);
-}
-
-static void
-read_selection_source_async (GTask *task,
- TransferRequest *request)
-{
- g_input_stream_read_bytes_async (request->istream,
- (gsize) request->len,
- G_PRIORITY_DEFAULT,
- g_task_get_cancellable (task),
- (GAsyncReadyCallback) read_cb,
- task);
-}
-
-static void
-source_read_cb (MetaSelectionSource *source,
- GAsyncResult *result,
- GTask *task)
-{
- TransferRequest *request;
- GInputStream *stream;
- GError *error = NULL;
-
- stream = meta_selection_source_read_finish (source, result, &error);
- if (!stream)
- {
- g_task_return_error (task, error);
- g_object_unref (task);
- return;
- }
-
- request = g_task_get_task_data (task);
- request->istream = stream;
-
- if (request->len < 0)
- {
- g_output_stream_splice_async (request->ostream,
- request->istream,
- G_OUTPUT_STREAM_SPLICE_CLOSE_SOURCE |
- G_OUTPUT_STREAM_SPLICE_CLOSE_TARGET,
- G_PRIORITY_DEFAULT,
- g_task_get_cancellable (task),
- (GAsyncReadyCallback) splice_cb,
- task);
- }
- else
- {
- read_selection_source_async (task, request);
- }
-}
-
-/**
- * meta_selection_transfer_async:
- * @selection: The selection manager
- * @selection_type: Selection type
- * @mimetype: Mimetype to transfer
- * @size: Maximum size to transfer, -1 for unlimited
- * @output: Output stream to write contents to
- * @cancellable: Cancellable
- * @callback: User callback
- * @user_data: User data
- *
- * Requests a transfer of @mimetype on the selection given by
- * @selection_type.
- **/
-void
-meta_selection_transfer_async (MetaSelection *selection,
- MetaSelectionType selection_type,
- const char *mimetype,
- gssize size,
- GOutputStream *output,
- GCancellable *cancellable,
- GAsyncReadyCallback callback,
- gpointer user_data)
-{
- GTask *task;
-
- g_return_if_fail (META_IS_SELECTION (selection));
- g_return_if_fail (selection_type < META_N_SELECTION_TYPES);
- g_return_if_fail (G_IS_OUTPUT_STREAM (output));
- g_return_if_fail (mimetype != NULL);
-
- task = g_task_new (selection, cancellable, callback, user_data);
- g_task_set_source_tag (task, meta_selection_transfer_async);
-
- g_task_set_task_data (task,
- transfer_request_new (output, selection_type, size),
- (GDestroyNotify) transfer_request_free);
- meta_selection_source_read_async (selection->owners[selection_type],
- mimetype,
- cancellable,
- (GAsyncReadyCallback) source_read_cb,
- task);
-}
-
-/**
- * meta_selection_transfer_finish:
- * @selection: The selection manager
- * @result: The async result
- * @error: Location for returned error, or %NULL
- *
- * Finishes the transfer of a queried mimetype.
- *
- * Returns: #TRUE if the transfer was successful.
- **/
-gboolean
-meta_selection_transfer_finish (MetaSelection *selection,
- GAsyncResult *result,
- GError **error)
-{
- g_return_val_if_fail (g_task_is_valid (result, selection), FALSE);
- g_return_val_if_fail (g_task_get_source_tag (G_TASK (result)) ==
- meta_selection_transfer_async, FALSE);
-
- return g_task_propagate_boolean (G_TASK (result), error);
-}
-
-MetaSelectionSource *
-meta_selection_get_current_owner (MetaSelection *selection,
- MetaSelectionType selection_type)
-{
- g_return_val_if_fail (META_IS_SELECTION (selection), NULL);
- g_return_val_if_fail (selection_type < META_N_SELECTION_TYPES, NULL);
-
- return selection->owners[selection_type];
-}
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