gem-graph-client/libide/code/ide-buffer-addin.c

476 lines
15 KiB
C

/* ide-buffer-addin.c
*
* Copyright 2017-2019 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-buffer-addin"
#include "config.h"
#include <libide-threading.h>
#include <libpeas/peas.h>
#include "ide-buffer.h"
#include "ide-buffer-addin.h"
#include "ide-buffer-addin-private.h"
#include "ide-buffer-private.h"
/**
* SECTION:ide-buffer-addin
* @title: IdeBufferAddin
* @short_description: addins for #IdeBuffer
*
* The #IdeBufferAddin allows a plugin to register an object that will be
* created with every #IdeBuffer. It can register extra features with the
* buffer or extend it as necessary.
*
* Once use of #IdeBufferAddin is to add a spellchecker to the buffer that
* may be used by views to show the misspelled words. This is preferrable
* to adding a spellchecker in each view because it allows for multiple
* views to share one spellcheker on the underlying buffer.
*
* Since: 3.32
*/
G_DEFINE_INTERFACE (IdeBufferAddin, ide_buffer_addin, G_TYPE_OBJECT)
static void
ide_buffer_addin_real_settle_async (IdeBufferAddin *self,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
g_autoptr(IdeTask) task = NULL;
task = ide_task_new (self, cancellable, callback, user_data);
ide_task_set_source_tag (task, ide_buffer_addin_real_settle_async);
ide_task_set_priority (task, G_PRIORITY_HIGH);
ide_task_return_boolean (task, TRUE);
}
static gboolean
ide_buffer_addin_real_settle_finish (IdeBufferAddin *self,
GAsyncResult *result,
GError **error)
{
return ide_task_propagate_boolean (IDE_TASK (result), error);
}
static void
ide_buffer_addin_default_init (IdeBufferAddinInterface *iface)
{
iface->settle_async = ide_buffer_addin_real_settle_async;
iface->settle_finish = ide_buffer_addin_real_settle_finish;
}
/**
* ide_buffer_addin_load:
* @self: an #IdeBufferAddin
* @buffer: an #IdeBuffer
*
* This calls the load virtual function of #IdeBufferAddin to request
* that the addin load itself.
*
* Since: 3.32
*/
void
ide_buffer_addin_load (IdeBufferAddin *self,
IdeBuffer *buffer)
{
g_return_if_fail (IDE_IS_MAIN_THREAD ());
g_return_if_fail (IDE_IS_BUFFER_ADDIN (self));
g_return_if_fail (IDE_IS_BUFFER (buffer));
if (IDE_BUFFER_ADDIN_GET_IFACE (self)->load)
IDE_BUFFER_ADDIN_GET_IFACE (self)->load (self, buffer);
}
/**
* ide_buffer_addin_unload:
* @self: an #IdeBufferAddin
* @buffer: an #IdeBuffer
*
* This calls the unload virtual function of #IdeBufferAddin to request
* that the addin unload itself.
*
* The addin should cancel any in-flight operations and attempt to drop
* references to the buffer or any other machinery as soon as possible.
*
* Since: 3.32
*/
void
ide_buffer_addin_unload (IdeBufferAddin *self,
IdeBuffer *buffer)
{
g_return_if_fail (IDE_IS_MAIN_THREAD ());
g_return_if_fail (IDE_IS_BUFFER_ADDIN (self));
g_return_if_fail (IDE_IS_BUFFER (buffer));
if (IDE_BUFFER_ADDIN_GET_IFACE (self)->unload)
IDE_BUFFER_ADDIN_GET_IFACE (self)->unload (self, buffer);
}
/**
* ide_buffer_addin_file_loaded:
* @self: a #IdeBufferAddin
* @buffer: an #IdeBuffer
* @file: a #GFile
*
* This function is called for an addin after a file has been loaded from disk.
*
* It is not guaranteed that this function will be called for addins that were
* loaded after the buffer already loaded a file.
*
* Since: 3.32
*/
void
ide_buffer_addin_file_loaded (IdeBufferAddin *self,
IdeBuffer *buffer,
GFile *file)
{
g_return_if_fail (IDE_IS_MAIN_THREAD ());
g_return_if_fail (IDE_IS_BUFFER_ADDIN (self));
g_return_if_fail (IDE_IS_BUFFER (buffer));
g_return_if_fail (G_IS_FILE (file));
if (IDE_BUFFER_ADDIN_GET_IFACE (self)->file_loaded)
IDE_BUFFER_ADDIN_GET_IFACE (self)->file_loaded (self, buffer, file);
}
/**
* ide_buffer_addin_save_file:
* @self: a #IdeBufferAddin
* @buffer: an #IdeBuffer
* @file: a #GFile
*
* This function gives a chance for plugins to modify the buffer right before
* writing to disk.
*
* Since: 3.32
*/
void
ide_buffer_addin_save_file (IdeBufferAddin *self,
IdeBuffer *buffer,
GFile *file)
{
g_return_if_fail (IDE_IS_MAIN_THREAD ());
g_return_if_fail (IDE_IS_BUFFER_ADDIN (self));
g_return_if_fail (IDE_IS_BUFFER (buffer));
g_return_if_fail (G_IS_FILE (file));
if (IDE_BUFFER_ADDIN_GET_IFACE (self)->save_file)
IDE_BUFFER_ADDIN_GET_IFACE (self)->save_file (self, buffer, file);
}
/**
* ide_buffer_addin_file_saved:
* @self: a #IdeBufferAddin
* @buffer: an #IdeBuffer
* @file: a #GFile
*
* This function is called for an addin after a file has been saved to disk.
*
* Since: 3.32
*/
void
ide_buffer_addin_file_saved (IdeBufferAddin *self,
IdeBuffer *buffer,
GFile *file)
{
g_return_if_fail (IDE_IS_MAIN_THREAD ());
g_return_if_fail (IDE_IS_BUFFER_ADDIN (self));
g_return_if_fail (IDE_IS_BUFFER (buffer));
g_return_if_fail (G_IS_FILE (file));
if (IDE_BUFFER_ADDIN_GET_IFACE (self)->file_saved)
IDE_BUFFER_ADDIN_GET_IFACE (self)->file_saved (self, buffer, file);
}
/**
* ide_buffer_addin_language_set:
* @self: an #IdeBufferAddin
* @buffer: an #IdeBuffer
* @language_id: the GtkSourceView language identifier
*
* This vfunc is called when the source language in the buffer changes. This
* will only be delivered to addins that support multiple languages.
*
* Since: 3.32
*/
void
ide_buffer_addin_language_set (IdeBufferAddin *self,
IdeBuffer *buffer,
const gchar *language_id)
{
g_return_if_fail (IDE_IS_BUFFER_ADDIN (self));
g_return_if_fail (IDE_IS_BUFFER (buffer));
if (IDE_BUFFER_ADDIN_GET_IFACE (self)->language_set)
IDE_BUFFER_ADDIN_GET_IFACE (self)->language_set (self, buffer, language_id);
}
/**
* ide_buffer_addin_change_settled:
* @self: an #IdeBufferAddin
* @buffer: an #ideBuffer
*
* This function is called when the buffer has settled after a number of
* changes provided by the user. It is a convenient way to know when you
* should perform more background work without having to coalesce work
* yourself.
*
* Since: 3.32
*/
void
ide_buffer_addin_change_settled (IdeBufferAddin *self,
IdeBuffer *buffer)
{
g_return_if_fail (IDE_IS_BUFFER_ADDIN (self));
g_return_if_fail (IDE_IS_BUFFER (buffer));
if (IDE_BUFFER_ADDIN_GET_IFACE (self)->change_settled)
IDE_BUFFER_ADDIN_GET_IFACE (self)->change_settled (self, buffer);
}
/**
* ide_buffer_addin_style_scheme_changed:
* @self: an #IdeBufferAddin
* @buffer: an #IdeBuffer
*
* This function is called when the #GtkSourceStyleScheme of the #IdeBuffer
* has changed.
*
* Since: 3.32
*/
void
ide_buffer_addin_style_scheme_changed (IdeBufferAddin *self,
IdeBuffer *buffer)
{
g_return_if_fail (IDE_IS_BUFFER_ADDIN (self));
g_return_if_fail (IDE_IS_BUFFER (buffer));
if (IDE_BUFFER_ADDIN_GET_IFACE (self)->style_scheme_changed)
IDE_BUFFER_ADDIN_GET_IFACE (self)->style_scheme_changed (self, buffer);
}
/**
* ide_buffer_addin_find_by_module_name:
* @buffer: an #IdeBuffer
* @module_name: the module name of the addin
*
* Locates an addin attached to the #IdeBuffer by the name of the module
* that provides the addin.
*
* Returns: (transfer none) (nullable): An #IdeBufferAddin or %NULL
*
* Since: 3.32
*/
IdeBufferAddin *
ide_buffer_addin_find_by_module_name (IdeBuffer *buffer,
const gchar *module_name)
{
PeasPluginInfo *plugin_info;
IdeExtensionSetAdapter *set;
PeasExtension *ret = NULL;
g_return_val_if_fail (IDE_IS_MAIN_THREAD (), NULL);
g_return_val_if_fail (IDE_IS_BUFFER (buffer), NULL);
g_return_val_if_fail (module_name != NULL, NULL);
set = _ide_buffer_get_addins (buffer);
/* Addins might not be loaded */
if (set == NULL)
return NULL;
plugin_info = peas_engine_get_plugin_info (peas_engine_get_default (), module_name);
if (plugin_info != NULL)
ret = ide_extension_set_adapter_get_extension (set, plugin_info);
else
g_warning ("Failed to locate addin named %s", module_name);
return ret ? IDE_BUFFER_ADDIN (ret) : NULL;
}
void
_ide_buffer_addin_load_cb (IdeExtensionSetAdapter *set,
PeasPluginInfo *plugin_info,
PeasExtension *exten,
gpointer user_data)
{
IdeBuffer *buffer = user_data;
g_return_if_fail (IDE_IS_EXTENSION_SET_ADAPTER (set));
g_return_if_fail (plugin_info != NULL);
g_return_if_fail (IDE_IS_BUFFER_ADDIN (exten));
g_return_if_fail (IDE_IS_BUFFER (user_data));
ide_buffer_addin_load (IDE_BUFFER_ADDIN (exten), buffer);
if (ide_buffer_get_state (buffer) == IDE_BUFFER_STATE_READY &&
!ide_buffer_get_is_temporary (buffer))
{
IdeBufferFileLoad closure = {
.buffer = buffer,
.file = ide_buffer_get_file (buffer),
};
_ide_buffer_addin_file_loaded_cb (set, plugin_info, exten, &closure);
}
}
void
_ide_buffer_addin_unload_cb (IdeExtensionSetAdapter *set,
PeasPluginInfo *plugin_info,
PeasExtension *exten,
gpointer user_data)
{
g_return_if_fail (IDE_IS_EXTENSION_SET_ADAPTER (set));
g_return_if_fail (plugin_info != NULL);
g_return_if_fail (IDE_IS_BUFFER_ADDIN (exten));
g_return_if_fail (IDE_IS_BUFFER (user_data));
ide_buffer_addin_unload (IDE_BUFFER_ADDIN (exten), IDE_BUFFER (user_data));
}
void
_ide_buffer_addin_file_loaded_cb (IdeExtensionSetAdapter *set,
PeasPluginInfo *plugin_info,
PeasExtension *exten,
gpointer user_data)
{
IdeBufferFileLoad *load = user_data;
g_return_if_fail (IDE_IS_EXTENSION_SET_ADAPTER (set));
g_return_if_fail (plugin_info != NULL);
g_return_if_fail (IDE_IS_BUFFER_ADDIN (exten));
g_return_if_fail (load != NULL);
g_return_if_fail (IDE_IS_BUFFER (load->buffer));
g_return_if_fail (G_IS_FILE (load->file));
ide_buffer_addin_file_loaded (IDE_BUFFER_ADDIN (exten), load->buffer, load->file);
}
void
_ide_buffer_addin_save_file_cb (IdeExtensionSetAdapter *set,
PeasPluginInfo *plugin_info,
PeasExtension *exten,
gpointer user_data)
{
IdeBufferFileSave *save = user_data;
g_return_if_fail (IDE_IS_EXTENSION_SET_ADAPTER (set));
g_return_if_fail (plugin_info != NULL);
g_return_if_fail (IDE_IS_BUFFER_ADDIN (exten));
g_return_if_fail (save != NULL);
g_return_if_fail (IDE_IS_BUFFER (save->buffer));
g_return_if_fail (G_IS_FILE (save->file));
ide_buffer_addin_save_file (IDE_BUFFER_ADDIN (exten), save->buffer, save->file);
}
void
_ide_buffer_addin_file_saved_cb (IdeExtensionSetAdapter *set,
PeasPluginInfo *plugin_info,
PeasExtension *exten,
gpointer user_data)
{
IdeBufferFileSave *save = user_data;
g_return_if_fail (IDE_IS_EXTENSION_SET_ADAPTER (set));
g_return_if_fail (plugin_info != NULL);
g_return_if_fail (IDE_IS_BUFFER_ADDIN (exten));
g_return_if_fail (save != NULL);
g_return_if_fail (IDE_IS_BUFFER (save->buffer));
g_return_if_fail (G_IS_FILE (save->file));
ide_buffer_addin_file_saved (IDE_BUFFER_ADDIN (exten), save->buffer, save->file);
}
void
_ide_buffer_addin_language_set_cb (IdeExtensionSetAdapter *set,
PeasPluginInfo *plugin_info,
PeasExtension *exten,
gpointer user_data)
{
IdeBufferLanguageSet *lang = user_data;
g_return_if_fail (IDE_IS_EXTENSION_SET_ADAPTER (set));
g_return_if_fail (plugin_info != NULL);
g_return_if_fail (IDE_IS_BUFFER_ADDIN (exten));
g_return_if_fail (lang != NULL);
g_return_if_fail (IDE_IS_BUFFER (lang->buffer));
ide_buffer_addin_language_set (IDE_BUFFER_ADDIN (exten), lang->buffer, lang->language_id);
}
void
_ide_buffer_addin_change_settled_cb (IdeExtensionSetAdapter *set,
PeasPluginInfo *plugin_info,
PeasExtension *exten,
gpointer user_data)
{
g_return_if_fail (IDE_IS_EXTENSION_SET_ADAPTER (set));
g_return_if_fail (plugin_info != NULL);
g_return_if_fail (IDE_IS_BUFFER_ADDIN (exten));
g_return_if_fail (IDE_IS_BUFFER (user_data));
ide_buffer_addin_change_settled (IDE_BUFFER_ADDIN (exten), IDE_BUFFER (user_data));
}
void
_ide_buffer_addin_style_scheme_changed_cb (IdeExtensionSetAdapter *set,
PeasPluginInfo *plugin_info,
PeasExtension *exten,
gpointer user_data)
{
g_return_if_fail (IDE_IS_EXTENSION_SET_ADAPTER (set));
g_return_if_fail (plugin_info != NULL);
g_return_if_fail (IDE_IS_BUFFER_ADDIN (exten));
g_return_if_fail (IDE_IS_BUFFER (user_data));
ide_buffer_addin_style_scheme_changed (IDE_BUFFER_ADDIN (exten), IDE_BUFFER (user_data));
}
void
ide_buffer_addin_settle_async (IdeBufferAddin *self,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
g_return_if_fail (IDE_IS_MAIN_THREAD ());
g_return_if_fail (IDE_IS_BUFFER_ADDIN (self));
g_return_if_fail (!cancellable || G_IS_CANCELLABLE (cancellable));
IDE_BUFFER_ADDIN_GET_IFACE (self)->settle_async (self, cancellable, callback, user_data);
}
gboolean
ide_buffer_addin_settle_finish (IdeBufferAddin *self,
GAsyncResult *result,
GError **error)
{
g_return_val_if_fail (IDE_IS_MAIN_THREAD (), FALSE);
g_return_val_if_fail (IDE_IS_BUFFER_ADDIN (self), FALSE);
g_return_val_if_fail (G_IS_ASYNC_RESULT (result), FALSE);
return IDE_BUFFER_ADDIN_GET_IFACE (self)->settle_finish (self, result, error);
}