diff options
Diffstat (limited to 'plugins/fedora-langpacks/gs-plugin-fedora-langpacks.c')
| -rw-r--r-- | plugins/fedora-langpacks/gs-plugin-fedora-langpacks.c | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/plugins/fedora-langpacks/gs-plugin-fedora-langpacks.c b/plugins/fedora-langpacks/gs-plugin-fedora-langpacks.c new file mode 100644 index 0000000..cea7d6c --- /dev/null +++ b/plugins/fedora-langpacks/gs-plugin-fedora-langpacks.c @@ -0,0 +1,140 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- + * vi:set noexpandtab tabstop=8 shiftwidth=8: + * + * Copyright (C) 2019 Sundeep Anand <suanand@redhat.com> + * + * SPDX-License-Identifier: GPL-2.0+ + * + * This plugin does following.. + * 1. locates the active locale, say, xx + * 2. identifies related langpacks-xx + * 3. tries to add langpack-xx in app list + * 4. logs install information; not to try again + */ + +#include <gnome-software.h> + +#include "gs-plugin-fedora-langpacks.h" + +struct _GsPluginFedoraLangpacks { + GsPlugin parent; + + GHashTable *locale_langpack_map; +}; + +G_DEFINE_TYPE (GsPluginFedoraLangpacks, gs_plugin_fedora_langpacks, GS_TYPE_PLUGIN) + +static void +gs_plugin_fedora_langpacks_init (GsPluginFedoraLangpacks *self) +{ + GsPlugin *plugin = GS_PLUGIN (self); + + /* this plugin should be fedora specific */ + if (!gs_plugin_check_distro_id (plugin, "fedora")) { + gs_plugin_set_enabled (plugin, FALSE); + return; + } + + gs_plugin_add_rule (plugin, GS_PLUGIN_RULE_RUN_AFTER, "appstream"); + + /* + * A few language code may have more than one language packs. + * Example: en {en_GB}, pt {pt_BR}, zh {zh_CN, zh_TW, zh_HK} + */ + self->locale_langpack_map = g_hash_table_new (g_str_hash, g_str_equal); +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wdiscarded-qualifiers" + g_hash_table_insert (self->locale_langpack_map, "en_GB", "langpacks-en_GB"); + g_hash_table_insert (self->locale_langpack_map, "pt_BR", "langpacks-pt_BR"); + g_hash_table_insert (self->locale_langpack_map, "zh_CN", "langpacks-zh_CN"); + g_hash_table_insert (self->locale_langpack_map, "zh_TW", "langpacks-zh_TW"); + g_hash_table_insert (self->locale_langpack_map, "zh_HK", "langpacks-zh_HK"); +#pragma GCC diagnostic pop +} + +static void +gs_plugin_fedora_langpacks_dispose (GObject *object) +{ + GsPluginFedoraLangpacks *self = GS_PLUGIN_FEDORA_LANGPACKS (object); + + g_clear_pointer (&self->locale_langpack_map, g_hash_table_unref); + + G_OBJECT_CLASS (gs_plugin_fedora_langpacks_parent_class)->dispose (object); +} + +gboolean +gs_plugin_add_langpacks (GsPlugin *plugin, + GsAppList *list, + const gchar *locale, + GCancellable *cancellable, + GError **error) +{ + GsPluginFedoraLangpacks *self = GS_PLUGIN_FEDORA_LANGPACKS (plugin); + gchar *separator; + const gchar *language_code; + g_autofree gchar *cachefn = NULL; + g_autofree gchar *langpack_pkgname = NULL; + g_auto(GStrv) language_region = NULL; + + /* This plugin may receive user locale in the form as documented in `man 3 setlocale`: + * + * language[_territory][.codeset][@modifier] + * + * e.g. `ja_JP.UTF-8` or `en_GB.iso88591` or `uz_UZ.utf8@cyrillic` or `de_DE@euro` + * Get the locale without codeset and modifier as required for langpacks. + */ + separator = strpbrk (locale, ".@"); + if (separator != NULL) + *separator = '\0'; + + if (g_strrstr (locale, "_") != NULL && + !g_hash_table_lookup (self->locale_langpack_map, locale)) { + /* + * language_code should be the langpack_source_id + * if input language_code is a locale and it doesn't + * not found in locale_langpack_map + */ + language_region = g_strsplit (locale, "_", 2); + language_code = language_region[0]; + } else { + language_code = locale; + } + + /* per-user cache */ + langpack_pkgname = g_strconcat ("langpacks-", language_code, NULL); + cachefn = gs_utils_get_cache_filename ("langpacks", langpack_pkgname, + GS_UTILS_CACHE_FLAG_WRITEABLE | + GS_UTILS_CACHE_FLAG_CREATE_DIRECTORY, + error); + if (cachefn == NULL) + return FALSE; + if (!g_file_test (cachefn, G_FILE_TEST_EXISTS)) { + g_autoptr(GsApp) app = gs_app_new (NULL); + gs_app_set_metadata (app, "GnomeSoftware::Creator", gs_plugin_get_name (plugin)); + gs_app_set_kind (app, AS_COMPONENT_KIND_LOCALIZATION); + gs_app_set_bundle_kind (app, AS_BUNDLE_KIND_PACKAGE); + gs_app_set_scope (app, AS_COMPONENT_SCOPE_SYSTEM); + gs_app_add_source (app, langpack_pkgname); + gs_app_list_add (list, app); + + /* ensure we do not keep trying to install the langpack */ + if (!g_file_set_contents (cachefn, language_code, -1, error)) + return FALSE; + } + + return TRUE; +} + +static void +gs_plugin_fedora_langpacks_class_init (GsPluginFedoraLangpacksClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + object_class->dispose = gs_plugin_fedora_langpacks_dispose; +} + +GType +gs_plugin_query_type (void) +{ + return GS_TYPE_PLUGIN_FEDORA_LANGPACKS; +} |