1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/toolkit/system/gnome/nsGConfService.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,305 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#include "mozilla/ArrayUtils.h"
1.10 +#include "nsGConfService.h"
1.11 +#include "nsStringAPI.h"
1.12 +#include "nsCOMPtr.h"
1.13 +#include "nsComponentManagerUtils.h"
1.14 +#include "nsISupportsPrimitives.h"
1.15 +#include "nsIMutableArray.h"
1.16 +#include "prlink.h"
1.17 +
1.18 +#include <gconf/gconf-client.h>
1.19 +
1.20 +using namespace mozilla;
1.21 +
1.22 +#define GCONF_FUNCTIONS \
1.23 + FUNC(gconf_client_get_default, GConfClient*, (void)) \
1.24 + FUNC(gconf_client_get_bool, gboolean, (GConfClient*, const gchar*, GError**)) \
1.25 + FUNC(gconf_client_get_string, gchar*, (GConfClient*, const gchar*, GError**)) \
1.26 + FUNC(gconf_client_get_int, gint, (GConfClient*, const gchar*, GError**)) \
1.27 + FUNC(gconf_client_get_float, gdouble, (GConfClient*, const gchar*, GError**)) \
1.28 + FUNC(gconf_client_get_list, GSList*, (GConfClient*, const gchar*, GConfValueType, GError**)) \
1.29 + FUNC(gconf_client_set_bool, gboolean, (GConfClient*, const gchar*, gboolean, GError**)) \
1.30 + FUNC(gconf_client_set_string, gboolean, (GConfClient*, const gchar*, const gchar*, GError**)) \
1.31 + FUNC(gconf_client_set_int, gboolean, (GConfClient*, const gchar*, gint, GError**)) \
1.32 + FUNC(gconf_client_set_float, gboolean, (GConfClient*, const gchar*, gdouble, GError**)) \
1.33 + FUNC(gconf_client_unset, gboolean, (GConfClient*, const gchar*, GError**))
1.34 +
1.35 +#define FUNC(name, type, params) \
1.36 + typedef type (*_##name##_fn) params; \
1.37 + static _##name##_fn _##name;
1.38 +
1.39 +GCONF_FUNCTIONS
1.40 +
1.41 +#undef FUNC
1.42 +
1.43 +#define gconf_client_get_default _gconf_client_get_default
1.44 +#define gconf_client_get_bool _gconf_client_get_bool
1.45 +#define gconf_client_get_string _gconf_client_get_string
1.46 +#define gconf_client_get_int _gconf_client_get_int
1.47 +#define gconf_client_get_float _gconf_client_get_float
1.48 +#define gconf_client_get_list _gconf_client_get_list
1.49 +#define gconf_client_set_bool _gconf_client_set_bool
1.50 +#define gconf_client_set_string _gconf_client_set_string
1.51 +#define gconf_client_set_int _gconf_client_set_int
1.52 +#define gconf_client_set_float _gconf_client_set_float
1.53 +#define gconf_client_unset _gconf_client_unset
1.54 +
1.55 +static PRLibrary *gconfLib = nullptr;
1.56 +
1.57 +typedef void (*nsGConfFunc)();
1.58 +struct nsGConfDynamicFunction {
1.59 + const char *functionName;
1.60 + nsGConfFunc *function;
1.61 +};
1.62 +
1.63 +nsGConfService::~nsGConfService()
1.64 +{
1.65 + if (mClient)
1.66 + g_object_unref(mClient);
1.67 +
1.68 + // We don't unload gconf here because liborbit uses atexit(). In addition to
1.69 + // this, it's not a good idea to unload any gobject based library, as it
1.70 + // leaves types registered in glib's type system
1.71 +}
1.72 +
1.73 +nsresult
1.74 +nsGConfService::Init()
1.75 +{
1.76 +#define FUNC(name, type, params) { #name, (nsGConfFunc *)&_##name },
1.77 + static const nsGConfDynamicFunction kGConfSymbols[] = {
1.78 + GCONF_FUNCTIONS
1.79 + };
1.80 +#undef FUNC
1.81 +
1.82 + if (!gconfLib) {
1.83 + gconfLib = PR_LoadLibrary("libgconf-2.so.4");
1.84 + if (!gconfLib)
1.85 + return NS_ERROR_FAILURE;
1.86 + }
1.87 +
1.88 + for (uint32_t i = 0; i < ArrayLength(kGConfSymbols); i++) {
1.89 + *kGConfSymbols[i].function =
1.90 + PR_FindFunctionSymbol(gconfLib, kGConfSymbols[i].functionName);
1.91 + if (!*kGConfSymbols[i].function) {
1.92 + return NS_ERROR_FAILURE;
1.93 + }
1.94 + }
1.95 +
1.96 + mClient = gconf_client_get_default();
1.97 + return mClient ? NS_OK : NS_ERROR_FAILURE;
1.98 +}
1.99 +
1.100 +NS_IMPL_ISUPPORTS(nsGConfService, nsIGConfService)
1.101 +
1.102 +NS_IMETHODIMP
1.103 +nsGConfService::GetBool(const nsACString &aKey, bool *aResult)
1.104 +{
1.105 + GError* error = nullptr;
1.106 + *aResult = gconf_client_get_bool(mClient, PromiseFlatCString(aKey).get(),
1.107 + &error);
1.108 +
1.109 + if (error) {
1.110 + g_error_free(error);
1.111 + return NS_ERROR_FAILURE;
1.112 + }
1.113 +
1.114 + return NS_OK;
1.115 +}
1.116 +
1.117 +NS_IMETHODIMP
1.118 +nsGConfService::GetString(const nsACString &aKey, nsACString &aResult)
1.119 +{
1.120 + GError* error = nullptr;
1.121 + gchar *result = gconf_client_get_string(mClient,
1.122 + PromiseFlatCString(aKey).get(),
1.123 + &error);
1.124 +
1.125 + if (error) {
1.126 + g_error_free(error);
1.127 + return NS_ERROR_FAILURE;
1.128 + }
1.129 +
1.130 + // We do a string copy here so that the caller doesn't need to worry about
1.131 + // freeing the string with g_free().
1.132 +
1.133 + aResult.Assign(result);
1.134 + g_free(result);
1.135 +
1.136 + return NS_OK;
1.137 +}
1.138 +
1.139 +NS_IMETHODIMP
1.140 +nsGConfService::GetInt(const nsACString &aKey, int32_t* aResult)
1.141 +{
1.142 + GError* error = nullptr;
1.143 + *aResult = gconf_client_get_int(mClient, PromiseFlatCString(aKey).get(),
1.144 + &error);
1.145 +
1.146 + if (error) {
1.147 + g_error_free(error);
1.148 + return NS_ERROR_FAILURE;
1.149 + }
1.150 +
1.151 + return NS_OK;
1.152 +}
1.153 +
1.154 +NS_IMETHODIMP
1.155 +nsGConfService::GetFloat(const nsACString &aKey, float* aResult)
1.156 +{
1.157 + GError* error = nullptr;
1.158 + *aResult = gconf_client_get_float(mClient, PromiseFlatCString(aKey).get(),
1.159 + &error);
1.160 +
1.161 + if (error) {
1.162 + g_error_free(error);
1.163 + return NS_ERROR_FAILURE;
1.164 + }
1.165 +
1.166 + return NS_OK;
1.167 +}
1.168 +
1.169 +NS_IMETHODIMP
1.170 +nsGConfService::GetStringList(const nsACString &aKey, nsIArray** aResult)
1.171 +{
1.172 + nsCOMPtr<nsIMutableArray> items(do_CreateInstance(NS_ARRAY_CONTRACTID));
1.173 + if (!items)
1.174 + return NS_ERROR_OUT_OF_MEMORY;
1.175 +
1.176 + GError* error = nullptr;
1.177 + GSList* list = gconf_client_get_list(mClient, PromiseFlatCString(aKey).get(),
1.178 + GCONF_VALUE_STRING, &error);
1.179 + if (error) {
1.180 + g_error_free(error);
1.181 + return NS_ERROR_FAILURE;
1.182 + }
1.183 +
1.184 + for (GSList* l = list; l; l = l->next) {
1.185 + nsCOMPtr<nsISupportsString> obj(do_CreateInstance(NS_SUPPORTS_STRING_CONTRACTID));
1.186 + if (!obj) {
1.187 + g_slist_free(list);
1.188 + return NS_ERROR_OUT_OF_MEMORY;
1.189 + }
1.190 + obj->SetData(NS_ConvertUTF8toUTF16((const char*)l->data));
1.191 + items->AppendElement(obj, false);
1.192 + g_free(l->data);
1.193 + }
1.194 +
1.195 + g_slist_free(list);
1.196 + NS_ADDREF(*aResult = items);
1.197 + return NS_OK;
1.198 +}
1.199 +
1.200 +NS_IMETHODIMP
1.201 +nsGConfService::SetBool(const nsACString &aKey, bool aValue)
1.202 +{
1.203 + bool res = gconf_client_set_bool(mClient, PromiseFlatCString(aKey).get(),
1.204 + aValue, nullptr);
1.205 +
1.206 + return res ? NS_OK : NS_ERROR_FAILURE;
1.207 +}
1.208 +
1.209 +NS_IMETHODIMP
1.210 +nsGConfService::SetString(const nsACString &aKey, const nsACString &aValue)
1.211 +{
1.212 + bool res = gconf_client_set_string(mClient, PromiseFlatCString(aKey).get(),
1.213 + PromiseFlatCString(aValue).get(),
1.214 + nullptr);
1.215 +
1.216 + return res ? NS_OK : NS_ERROR_FAILURE;
1.217 +}
1.218 +
1.219 +NS_IMETHODIMP
1.220 +nsGConfService::SetInt(const nsACString &aKey, int32_t aValue)
1.221 +{
1.222 + bool res = gconf_client_set_int(mClient, PromiseFlatCString(aKey).get(),
1.223 + aValue, nullptr);
1.224 +
1.225 + return res ? NS_OK : NS_ERROR_FAILURE;
1.226 +}
1.227 +
1.228 +NS_IMETHODIMP
1.229 +nsGConfService::SetFloat(const nsACString &aKey, float aValue)
1.230 +{
1.231 + bool res = gconf_client_set_float(mClient, PromiseFlatCString(aKey).get(),
1.232 + aValue, nullptr);
1.233 +
1.234 + return res ? NS_OK : NS_ERROR_FAILURE;
1.235 +}
1.236 +
1.237 +NS_IMETHODIMP
1.238 +nsGConfService::GetAppForProtocol(const nsACString &aScheme, bool *aEnabled,
1.239 + nsACString &aHandler)
1.240 +{
1.241 + nsAutoCString key("/desktop/gnome/url-handlers/");
1.242 + key.Append(aScheme);
1.243 + key.Append("/command");
1.244 +
1.245 + GError *err = nullptr;
1.246 + gchar *command = gconf_client_get_string(mClient, key.get(), &err);
1.247 + if (!err && command) {
1.248 + key.Replace(key.Length() - 7, 7, NS_LITERAL_CSTRING("enabled"));
1.249 + *aEnabled = gconf_client_get_bool(mClient, key.get(), &err);
1.250 + } else {
1.251 + *aEnabled = false;
1.252 + }
1.253 +
1.254 + aHandler.Assign(command);
1.255 + g_free(command);
1.256 +
1.257 + if (err) {
1.258 + g_error_free(err);
1.259 + return NS_ERROR_FAILURE;
1.260 + }
1.261 +
1.262 + return NS_OK;
1.263 +}
1.264 +
1.265 +NS_IMETHODIMP
1.266 +nsGConfService::HandlerRequiresTerminal(const nsACString &aScheme,
1.267 + bool *aResult)
1.268 +{
1.269 + nsAutoCString key("/desktop/gnome/url-handlers/");
1.270 + key.Append(aScheme);
1.271 + key.Append("/requires_terminal");
1.272 +
1.273 + GError *err = nullptr;
1.274 + *aResult = gconf_client_get_bool(mClient, key.get(), &err);
1.275 + if (err) {
1.276 + g_error_free(err);
1.277 + return NS_ERROR_FAILURE;
1.278 + }
1.279 +
1.280 + return NS_OK;
1.281 +}
1.282 +
1.283 +NS_IMETHODIMP
1.284 +nsGConfService::SetAppForProtocol(const nsACString &aScheme,
1.285 + const nsACString &aCommand)
1.286 +{
1.287 + nsAutoCString key("/desktop/gnome/url-handlers/");
1.288 + key.Append(aScheme);
1.289 + key.Append("/command");
1.290 +
1.291 + bool res = gconf_client_set_string(mClient, key.get(),
1.292 + PromiseFlatCString(aCommand).get(),
1.293 + nullptr);
1.294 + if (res) {
1.295 + key.Replace(key.Length() - 7, 7, NS_LITERAL_CSTRING("enabled"));
1.296 + res = gconf_client_set_bool(mClient, key.get(), true, nullptr);
1.297 + if (res) {
1.298 + key.Replace(key.Length() - 7, 7, NS_LITERAL_CSTRING("needs_terminal"));
1.299 + res = gconf_client_set_bool(mClient, key.get(), false, nullptr);
1.300 + if (res) {
1.301 + key.Replace(key.Length() - 14, 14, NS_LITERAL_CSTRING("command-id"));
1.302 + res = gconf_client_unset(mClient, key.get(), nullptr);
1.303 + }
1.304 + }
1.305 + }
1.306 +
1.307 + return res ? NS_OK : NS_ERROR_FAILURE;
1.308 +}
