gem-graph-client/libide/foundry/ide-pipeline-addin.c

134 lines
3.9 KiB
C

/* ide-pipeline-addin.c
*
* Copyright 2016-2019 Christian Hergert <chergert@redhat.com>
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*
* SPDX-License-Identifier: GPL-3.0-or-later
*/
#define G_LOG_DOMAIN "ide-pipeline-addin"
#include "config.h"
#include "ide-pipeline.h"
#include "ide-pipeline-addin.h"
G_DEFINE_INTERFACE (IdePipelineAddin, ide_pipeline_addin, IDE_TYPE_OBJECT)
static void
ide_pipeline_addin_default_init (IdePipelineAddinInterface *iface)
{
}
/**
* ide_pipeline_addin_prepare:
* @self: a #IdePipelineAddin
* @pipeline: an #IdePipeline
*
* This function is called before prepare so that plugins may setup
* signals on the pipeline that may allow them to affect how other
* plugins interact.
*
* For example, if you need to connect to pipeline::launcher-created,
* you might want to do that here.
*
* Since: 3.34
*/
void
ide_pipeline_addin_prepare (IdePipelineAddin *self,
IdePipeline *pipeline)
{
g_return_if_fail (IDE_IS_PIPELINE_ADDIN (self));
g_return_if_fail (IDE_IS_PIPELINE (pipeline));
if (IDE_PIPELINE_ADDIN_GET_IFACE (self)->prepare)
IDE_PIPELINE_ADDIN_GET_IFACE (self)->prepare (self, pipeline);
}
void
ide_pipeline_addin_load (IdePipelineAddin *self,
IdePipeline *pipeline)
{
g_return_if_fail (IDE_IS_PIPELINE_ADDIN (self));
g_return_if_fail (IDE_IS_PIPELINE (pipeline));
if (IDE_PIPELINE_ADDIN_GET_IFACE (self)->load)
IDE_PIPELINE_ADDIN_GET_IFACE (self)->load (self, pipeline);
}
void
ide_pipeline_addin_unload (IdePipelineAddin *self,
IdePipeline *pipeline)
{
GArray *ar;
g_return_if_fail (IDE_IS_PIPELINE_ADDIN (self));
g_return_if_fail (IDE_IS_PIPELINE (pipeline));
if (IDE_PIPELINE_ADDIN_GET_IFACE (self)->unload)
IDE_PIPELINE_ADDIN_GET_IFACE (self)->unload (self, pipeline);
/* Unload any stages that are tracked by the addin */
ar = g_object_get_data (G_OBJECT (self), "IDE_PIPELINE_ADDIN_STAGES");
if G_LIKELY (ar != NULL)
{
for (guint i = 0; i < ar->len; i++)
{
guint stage_id = g_array_index (ar, guint, i);
ide_pipeline_detach (pipeline, stage_id);
}
}
}
/**
* ide_pipeline_addin_track:
* @self: An #IdePipelineAddin
* @stage_id: a stage id returned from ide_pipeline_attach()
*
* This function will track the stage_id that was returned from
* ide_pipeline_attach() or similar functions. Doing so results in
* the stage being automatically disconnected when the addin is unloaded.
*
* This means that many #IdePipelineAddin implementations do not need
* an unload vfunc if they track all registered stages.
*
* You should not mix this function with manual pipeline disconnections.
* While it should work, that is not yet guaranteed.
*
* Since: 3.32
*/
void
ide_pipeline_addin_track (IdePipelineAddin *self,
guint stage_id)
{
GArray *ar;
g_return_if_fail (IDE_IS_PIPELINE_ADDIN (self));
g_return_if_fail (stage_id > 0);
ar = g_object_get_data (G_OBJECT (self), "IDE_PIPELINE_ADDIN_STAGES");
if (ar == NULL)
{
ar = g_array_new (FALSE, FALSE, sizeof (guint));
g_object_set_data_full (G_OBJECT (self), "IDE_PIPELINE_ADDIN_STAGES",
ar, (GDestroyNotify)g_array_unref);
}
g_array_append_val (ar, stage_id);
}