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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
* vi:set noexpandtab tabstop=8 shiftwidth=8:
*
* Copyright (C) 2014 Richard Hughes <richard@hughsie.com>
* Copyright (C) 2015 Kalev Lember <klember@redhat.com>
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include <config.h>
#include <libsoup/soup.h>
#include <string.h>
#include <gnome-software.h>
#include "gs-plugin-icons.h"
/*
* SECTION:
* Loads remote icons and converts them into local cached ones.
*
* It is provided so that each plugin handling icons does not
* have to handle the download and caching functionality.
*
* It runs entirely in the main thread and requires no locking. Downloading the
* remote icons is done in a worker thread owned by #GsIconDownloader.
*
* FIXME: This plugin will eventually go away. Currently it only exists as the
* plugin ordering code is a convenient way of ensuring that loading the remote
* icons happens after all other plugins have refined icons.
*/
struct _GsPluginIcons
{
GsPlugin parent;
GsIconDownloader *icon_downloader; /* (owned) */
SoupSession *soup_session; /* (owned) */
};
G_DEFINE_TYPE (GsPluginIcons, gs_plugin_icons, GS_TYPE_PLUGIN)
static void
gs_plugin_icons_init (GsPluginIcons *self)
{
/* needs remote icons downloaded */
gs_plugin_add_rule (GS_PLUGIN (self), GS_PLUGIN_RULE_RUN_AFTER, "appstream");
gs_plugin_add_rule (GS_PLUGIN (self), GS_PLUGIN_RULE_RUN_AFTER, "epiphany");
}
static void
gs_plugin_icons_dispose (GObject *object)
{
GsPluginIcons *self = GS_PLUGIN_ICONS (object);
g_clear_object (&self->icon_downloader);
g_clear_object (&self->soup_session);
G_OBJECT_CLASS (gs_plugin_icons_parent_class)->dispose (object);
}
static void
gs_plugin_icons_setup_async (GsPlugin *plugin,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
GsPluginIcons *self = GS_PLUGIN_ICONS (plugin);
g_autoptr(GTask) task = NULL;
task = g_task_new (plugin, cancellable, callback, user_data);
g_task_set_source_tag (task, gs_plugin_icons_setup_async);
self->soup_session = gs_build_soup_session ();
/* Currently a 160px icon is needed for #GsFeatureTile, at most.
Scaling is applied inside the downloader. */
self->icon_downloader = gs_icon_downloader_new (self->soup_session, 160);
g_object_bind_property (plugin, "scale",
self->icon_downloader, "scale",
G_BINDING_SYNC_CREATE);
g_task_return_boolean (task, TRUE);
}
static gboolean
gs_plugin_icons_setup_finish (GsPlugin *plugin,
GAsyncResult *result,
GError **error)
{
return g_task_propagate_boolean (G_TASK (result), error);
}
static void shutdown_cb (GObject *source_object,
GAsyncResult *result,
gpointer user_data);
static void
gs_plugin_icons_shutdown_async (GsPlugin *plugin,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
GsPluginIcons *self = GS_PLUGIN_ICONS (plugin);
g_autoptr(GTask) task = NULL;
task = g_task_new (self, cancellable, callback, user_data);
g_task_set_source_tag (task, gs_plugin_icons_shutdown_async);
/* Stop the icon downloader. */
gs_icon_downloader_shutdown_async (self->icon_downloader, cancellable,
shutdown_cb, g_steal_pointer (&task));
}
static void
shutdown_cb (GObject *source_object,
GAsyncResult *result,
gpointer user_data)
{
g_autoptr(GsIconDownloader) icon_downloader = NULL;
g_autoptr(GTask) task = G_TASK (user_data);
GsPluginIcons *self = g_task_get_source_object (task);
g_autoptr(GError) local_error = NULL;
g_clear_object (&self->soup_session);
icon_downloader = g_steal_pointer (&self->icon_downloader);
if (!gs_icon_downloader_shutdown_finish (icon_downloader, result, &local_error)) {
g_task_return_error (task, g_steal_pointer (&local_error));
return;
}
g_task_return_boolean (task, TRUE);
}
static gboolean
gs_plugin_icons_shutdown_finish (GsPlugin *plugin,
GAsyncResult *result,
GError **error)
{
return g_task_propagate_boolean (G_TASK (result), error);
}
static void
gs_plugin_icons_refine_async (GsPlugin *plugin,
GsAppList *list,
GsPluginRefineFlags job_flags,
GsPluginRefineRequireFlags require_flags,
GsPluginEventCallback event_callback,
void *event_user_data,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
GsPluginIcons *self = GS_PLUGIN_ICONS (plugin);
g_autoptr(GTask) task = NULL;
gboolean interactive = (job_flags & GS_PLUGIN_REFINE_FLAGS_INTERACTIVE) != 0;
task = g_task_new (plugin, cancellable, callback, user_data);
g_task_set_source_tag (task, gs_plugin_icons_refine_async);
/* nothing to do here */
if ((require_flags & GS_PLUGIN_REFINE_REQUIRE_FLAGS_ICON) == 0) {
g_task_return_boolean (task, TRUE);
return;
}
for (guint i = 0; i < gs_app_list_length (list); i++) {
GsApp *app = gs_app_list_index (list, i);
gs_icon_downloader_queue_app (self->icon_downloader, app, interactive);
}
g_task_return_boolean (task, TRUE);
}
static gboolean
gs_plugin_icons_refine_finish (GsPlugin *plugin,
GAsyncResult *result,
GError **error)
{
return g_task_propagate_boolean (G_TASK (result), error);
}
static void
gs_plugin_icons_class_init (GsPluginIconsClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GsPluginClass *plugin_class = GS_PLUGIN_CLASS (klass);
object_class->dispose = gs_plugin_icons_dispose;
plugin_class->setup_async = gs_plugin_icons_setup_async;
plugin_class->setup_finish = gs_plugin_icons_setup_finish;
plugin_class->shutdown_async = gs_plugin_icons_shutdown_async;
plugin_class->shutdown_finish = gs_plugin_icons_shutdown_finish;
plugin_class->refine_async = gs_plugin_icons_refine_async;
plugin_class->refine_finish = gs_plugin_icons_refine_finish;
}
GType
gs_plugin_query_type (void)
{
return GS_TYPE_PLUGIN_ICONS;
}
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