michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "mozilla/ArrayUtils.h"
michael@0: #include "nsGConfService.h"
michael@0: #include "nsStringAPI.h"
michael@0: #include "nsCOMPtr.h"
michael@0: #include "nsComponentManagerUtils.h"
michael@0: #include "nsISupportsPrimitives.h"
michael@0: #include "nsIMutableArray.h"
michael@0: #include "prlink.h"
michael@0: 
michael@0: #include <gconf/gconf-client.h>
michael@0: 
michael@0: using namespace mozilla;
michael@0: 
michael@0: #define GCONF_FUNCTIONS \
michael@0:   FUNC(gconf_client_get_default, GConfClient*, (void)) \
michael@0:   FUNC(gconf_client_get_bool, gboolean, (GConfClient*, const gchar*, GError**)) \
michael@0:   FUNC(gconf_client_get_string, gchar*, (GConfClient*, const gchar*, GError**)) \
michael@0:   FUNC(gconf_client_get_int, gint, (GConfClient*, const gchar*, GError**)) \
michael@0:   FUNC(gconf_client_get_float, gdouble, (GConfClient*, const gchar*, GError**)) \
michael@0:   FUNC(gconf_client_get_list, GSList*, (GConfClient*, const gchar*, GConfValueType, GError**)) \
michael@0:   FUNC(gconf_client_set_bool, gboolean, (GConfClient*, const gchar*, gboolean, GError**)) \
michael@0:   FUNC(gconf_client_set_string, gboolean, (GConfClient*, const gchar*, const gchar*, GError**)) \
michael@0:   FUNC(gconf_client_set_int, gboolean, (GConfClient*, const gchar*, gint, GError**)) \
michael@0:   FUNC(gconf_client_set_float, gboolean, (GConfClient*, const gchar*, gdouble, GError**)) \
michael@0:   FUNC(gconf_client_unset, gboolean, (GConfClient*, const gchar*, GError**))
michael@0: 
michael@0: #define FUNC(name, type, params) \
michael@0:   typedef type (*_##name##_fn) params; \
michael@0:   static _##name##_fn _##name;
michael@0: 
michael@0: GCONF_FUNCTIONS
michael@0: 
michael@0: #undef FUNC
michael@0: 
michael@0: #define gconf_client_get_default _gconf_client_get_default
michael@0: #define gconf_client_get_bool _gconf_client_get_bool
michael@0: #define gconf_client_get_string _gconf_client_get_string
michael@0: #define gconf_client_get_int _gconf_client_get_int
michael@0: #define gconf_client_get_float _gconf_client_get_float
michael@0: #define gconf_client_get_list _gconf_client_get_list
michael@0: #define gconf_client_set_bool _gconf_client_set_bool
michael@0: #define gconf_client_set_string _gconf_client_set_string
michael@0: #define gconf_client_set_int _gconf_client_set_int
michael@0: #define gconf_client_set_float _gconf_client_set_float
michael@0: #define gconf_client_unset _gconf_client_unset
michael@0: 
michael@0: static PRLibrary *gconfLib = nullptr;
michael@0: 
michael@0: typedef void (*nsGConfFunc)();
michael@0: struct nsGConfDynamicFunction {
michael@0:   const char *functionName;
michael@0:   nsGConfFunc *function;
michael@0: };
michael@0: 
michael@0: nsGConfService::~nsGConfService()
michael@0: {
michael@0:   if (mClient)
michael@0:     g_object_unref(mClient);
michael@0: 
michael@0:   // We don't unload gconf here because liborbit uses atexit(). In addition to
michael@0:   // this, it's not a good idea to unload any gobject based library, as it
michael@0:   // leaves types registered in glib's type system
michael@0: }
michael@0: 
michael@0: nsresult
michael@0: nsGConfService::Init()
michael@0: {
michael@0: #define FUNC(name, type, params) { #name, (nsGConfFunc *)&_##name },
michael@0:   static const nsGConfDynamicFunction kGConfSymbols[] = {
michael@0:     GCONF_FUNCTIONS
michael@0:   };
michael@0: #undef FUNC
michael@0: 
michael@0:   if (!gconfLib) {
michael@0:     gconfLib = PR_LoadLibrary("libgconf-2.so.4");
michael@0:     if (!gconfLib)
michael@0:       return NS_ERROR_FAILURE;
michael@0:   }
michael@0: 
michael@0:   for (uint32_t i = 0; i < ArrayLength(kGConfSymbols); i++) {
michael@0:     *kGConfSymbols[i].function =
michael@0:       PR_FindFunctionSymbol(gconfLib, kGConfSymbols[i].functionName);
michael@0:     if (!*kGConfSymbols[i].function) {
michael@0:       return NS_ERROR_FAILURE;
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   mClient = gconf_client_get_default();
michael@0:   return mClient ? NS_OK : NS_ERROR_FAILURE;
michael@0: }
michael@0: 
michael@0: NS_IMPL_ISUPPORTS(nsGConfService, nsIGConfService)
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsGConfService::GetBool(const nsACString &aKey, bool *aResult)
michael@0: {
michael@0:   GError* error = nullptr;
michael@0:   *aResult = gconf_client_get_bool(mClient, PromiseFlatCString(aKey).get(),
michael@0:                                    &error);
michael@0: 
michael@0:   if (error) {
michael@0:     g_error_free(error);
michael@0:     return NS_ERROR_FAILURE;
michael@0:   }
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsGConfService::GetString(const nsACString &aKey, nsACString &aResult)
michael@0: {
michael@0:   GError* error = nullptr;
michael@0:   gchar *result = gconf_client_get_string(mClient,
michael@0:                                           PromiseFlatCString(aKey).get(),
michael@0:                                           &error);
michael@0: 
michael@0:   if (error) {
michael@0:     g_error_free(error);
michael@0:     return NS_ERROR_FAILURE;
michael@0:   }
michael@0: 
michael@0:   // We do a string copy here so that the caller doesn't need to worry about
michael@0:   // freeing the string with g_free().
michael@0: 
michael@0:   aResult.Assign(result);
michael@0:   g_free(result);
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsGConfService::GetInt(const nsACString &aKey, int32_t* aResult)
michael@0: {
michael@0:   GError* error = nullptr;
michael@0:   *aResult = gconf_client_get_int(mClient, PromiseFlatCString(aKey).get(),
michael@0:                                   &error);
michael@0: 
michael@0:   if (error) {
michael@0:     g_error_free(error);
michael@0:     return NS_ERROR_FAILURE;
michael@0:   }
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsGConfService::GetFloat(const nsACString &aKey, float* aResult)
michael@0: {
michael@0:   GError* error = nullptr;
michael@0:   *aResult = gconf_client_get_float(mClient, PromiseFlatCString(aKey).get(),
michael@0:                                     &error);
michael@0: 
michael@0:   if (error) {
michael@0:     g_error_free(error);
michael@0:     return NS_ERROR_FAILURE;
michael@0:   }
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsGConfService::GetStringList(const nsACString &aKey, nsIArray** aResult)
michael@0: {
michael@0:   nsCOMPtr<nsIMutableArray> items(do_CreateInstance(NS_ARRAY_CONTRACTID));
michael@0:   if (!items)
michael@0:     return NS_ERROR_OUT_OF_MEMORY;
michael@0:     
michael@0:   GError* error = nullptr;
michael@0:   GSList* list = gconf_client_get_list(mClient, PromiseFlatCString(aKey).get(),
michael@0:                                        GCONF_VALUE_STRING, &error);
michael@0:   if (error) {
michael@0:     g_error_free(error);
michael@0:     return NS_ERROR_FAILURE;
michael@0:   }
michael@0: 
michael@0:   for (GSList* l = list; l; l = l->next) {
michael@0:     nsCOMPtr<nsISupportsString> obj(do_CreateInstance(NS_SUPPORTS_STRING_CONTRACTID));
michael@0:     if (!obj) {
michael@0:       g_slist_free(list);
michael@0:       return NS_ERROR_OUT_OF_MEMORY;
michael@0:     }
michael@0:     obj->SetData(NS_ConvertUTF8toUTF16((const char*)l->data));
michael@0:     items->AppendElement(obj, false);
michael@0:     g_free(l->data);
michael@0:   }
michael@0:   
michael@0:   g_slist_free(list);
michael@0:   NS_ADDREF(*aResult = items);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsGConfService::SetBool(const nsACString &aKey, bool aValue)
michael@0: {
michael@0:   bool res = gconf_client_set_bool(mClient, PromiseFlatCString(aKey).get(),
michael@0:                                      aValue, nullptr);
michael@0: 
michael@0:   return res ? NS_OK : NS_ERROR_FAILURE;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsGConfService::SetString(const nsACString &aKey, const nsACString &aValue)
michael@0: {
michael@0:   bool res = gconf_client_set_string(mClient, PromiseFlatCString(aKey).get(),
michael@0:                                        PromiseFlatCString(aValue).get(),
michael@0:                                        nullptr);
michael@0: 
michael@0:   return res ? NS_OK : NS_ERROR_FAILURE;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsGConfService::SetInt(const nsACString &aKey, int32_t aValue)
michael@0: {
michael@0:   bool res = gconf_client_set_int(mClient, PromiseFlatCString(aKey).get(),
michael@0:                                     aValue, nullptr);
michael@0: 
michael@0:   return res ? NS_OK : NS_ERROR_FAILURE;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsGConfService::SetFloat(const nsACString &aKey, float aValue)
michael@0: {
michael@0:   bool res = gconf_client_set_float(mClient, PromiseFlatCString(aKey).get(),
michael@0:                                       aValue, nullptr);
michael@0: 
michael@0:   return res ? NS_OK : NS_ERROR_FAILURE;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsGConfService::GetAppForProtocol(const nsACString &aScheme, bool *aEnabled,
michael@0:                                   nsACString &aHandler)
michael@0: {
michael@0:   nsAutoCString key("/desktop/gnome/url-handlers/");
michael@0:   key.Append(aScheme);
michael@0:   key.Append("/command");
michael@0: 
michael@0:   GError *err = nullptr;
michael@0:   gchar *command = gconf_client_get_string(mClient, key.get(), &err);
michael@0:   if (!err && command) {
michael@0:     key.Replace(key.Length() - 7, 7, NS_LITERAL_CSTRING("enabled"));
michael@0:     *aEnabled = gconf_client_get_bool(mClient, key.get(), &err);
michael@0:   } else {
michael@0:     *aEnabled = false;
michael@0:   }
michael@0: 
michael@0:   aHandler.Assign(command);
michael@0:   g_free(command);
michael@0: 
michael@0:   if (err) {
michael@0:     g_error_free(err);
michael@0:     return NS_ERROR_FAILURE;
michael@0:   }
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsGConfService::HandlerRequiresTerminal(const nsACString &aScheme,
michael@0:                                         bool *aResult)
michael@0: {
michael@0:   nsAutoCString key("/desktop/gnome/url-handlers/");
michael@0:   key.Append(aScheme);
michael@0:   key.Append("/requires_terminal");
michael@0: 
michael@0:   GError *err = nullptr;
michael@0:   *aResult = gconf_client_get_bool(mClient, key.get(), &err);
michael@0:   if (err) {
michael@0:     g_error_free(err);
michael@0:     return NS_ERROR_FAILURE;
michael@0:   }
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsGConfService::SetAppForProtocol(const nsACString &aScheme,
michael@0:                                   const nsACString &aCommand)
michael@0: {
michael@0:   nsAutoCString key("/desktop/gnome/url-handlers/");
michael@0:   key.Append(aScheme);
michael@0:   key.Append("/command");
michael@0: 
michael@0:   bool res = gconf_client_set_string(mClient, key.get(),
michael@0:                                        PromiseFlatCString(aCommand).get(),
michael@0:                                        nullptr);
michael@0:   if (res) {
michael@0:     key.Replace(key.Length() - 7, 7, NS_LITERAL_CSTRING("enabled"));
michael@0:     res = gconf_client_set_bool(mClient, key.get(), true, nullptr);
michael@0:     if (res) {
michael@0:       key.Replace(key.Length() - 7, 7, NS_LITERAL_CSTRING("needs_terminal"));
michael@0:       res = gconf_client_set_bool(mClient, key.get(), false, nullptr);
michael@0:       if (res) {
michael@0:         key.Replace(key.Length() - 14, 14, NS_LITERAL_CSTRING("command-id"));
michael@0:         res = gconf_client_unset(mClient, key.get(), nullptr);
michael@0:       }
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   return res ? NS_OK : NS_ERROR_FAILURE;
michael@0: }