1 files changed, 305 insertions, 0 deletions
diff --git a/toolkit/system/gnome/nsGConfService.cpp b/toolkit/system/gnome/nsGConfService.cpp
new file mode 100644
index 000000000..ede71e588
--- /dev/null
+++ b/toolkit/system/gnome/nsGConfService.cpp
@@ -0,0 +1,305 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "mozilla/ArrayUtils.h"
+#include "nsGConfService.h"
+#include "nsString.h"
+#include "nsCOMPtr.h"
+#include "nsComponentManagerUtils.h"
+#include "nsISupportsPrimitives.h"
+#include "nsIMutableArray.h"
+#include "prlink.h"
+
+#include <gconf/gconf-client.h>
+
+using namespace mozilla;
+
+#define GCONF_FUNCTIONS \
+  FUNC(gconf_client_get_default, GConfClient*, (void)) \
+  FUNC(gconf_client_get_bool, gboolean, (GConfClient*, const gchar*, GError**)) \
+  FUNC(gconf_client_get_string, gchar*, (GConfClient*, const gchar*, GError**)) \
+  FUNC(gconf_client_get_int, gint, (GConfClient*, const gchar*, GError**)) \
+  FUNC(gconf_client_get_float, gdouble, (GConfClient*, const gchar*, GError**)) \
+  FUNC(gconf_client_get_list, GSList*, (GConfClient*, const gchar*, GConfValueType, GError**)) \
+  FUNC(gconf_client_set_bool, gboolean, (GConfClient*, const gchar*, gboolean, GError**)) \
+  FUNC(gconf_client_set_string, gboolean, (GConfClient*, const gchar*, const gchar*, GError**)) \
+  FUNC(gconf_client_set_int, gboolean, (GConfClient*, const gchar*, gint, GError**)) \
+  FUNC(gconf_client_set_float, gboolean, (GConfClient*, const gchar*, gdouble, GError**)) \
+  FUNC(gconf_client_unset, gboolean, (GConfClient*, const gchar*, GError**))
+
+#define FUNC(name, type, params) \
+  typedef type (*_##name##_fn) params; \
+  static _##name##_fn _##name;
+
+GCONF_FUNCTIONS
+
+#undef FUNC
+
+#define gconf_client_get_default _gconf_client_get_default
+#define gconf_client_get_bool _gconf_client_get_bool
+#define gconf_client_get_string _gconf_client_get_string
+#define gconf_client_get_int _gconf_client_get_int
+#define gconf_client_get_float _gconf_client_get_float
+#define gconf_client_get_list _gconf_client_get_list
+#define gconf_client_set_bool _gconf_client_set_bool
+#define gconf_client_set_string _gconf_client_set_string
+#define gconf_client_set_int _gconf_client_set_int
+#define gconf_client_set_float _gconf_client_set_float
+#define gconf_client_unset _gconf_client_unset
+
+static PRLibrary *gconfLib = nullptr;
+
+typedef void (*nsGConfFunc)();
+struct nsGConfDynamicFunction {
+  const char *functionName;
+  nsGConfFunc *function;
+};
+
+nsGConfService::~nsGConfService()
+{
+  if (mClient)
+    g_object_unref(mClient);
+
+  // We don't unload gconf here because liborbit uses atexit(). In addition to
+  // this, it's not a good idea to unload any gobject based library, as it
+  // leaves types registered in glib's type system
+}
+
+nsresult
+nsGConfService::Init()
+{
+#define FUNC(name, type, params) { #name, (nsGConfFunc *)&_##name },
+  static const nsGConfDynamicFunction kGConfSymbols[] = {
+    GCONF_FUNCTIONS
+  };
+#undef FUNC
+
+  if (!gconfLib) {
+    gconfLib = PR_LoadLibrary("libgconf-2.so.4");
+    if (!gconfLib)
+      return NS_ERROR_FAILURE;
+  }
+
+  for (uint32_t i = 0; i < ArrayLength(kGConfSymbols); i++) {
+    *kGConfSymbols[i].function =
+      PR_FindFunctionSymbol(gconfLib, kGConfSymbols[i].functionName);
+    if (!*kGConfSymbols[i].function) {
+      return NS_ERROR_FAILURE;
+    }
+  }
+
+  mClient = gconf_client_get_default();
+  return mClient ? NS_OK : NS_ERROR_FAILURE;
+}
+
+NS_IMPL_ISUPPORTS(nsGConfService, nsIGConfService)
+
+NS_IMETHODIMP
+nsGConfService::GetBool(const nsACString &aKey, bool *aResult)
+{
+  GError* error = nullptr;
+  *aResult = gconf_client_get_bool(mClient, PromiseFlatCString(aKey).get(),
+                                   &error);
+
+  if (error) {
+    g_error_free(error);
+    return NS_ERROR_FAILURE;
+  }
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsGConfService::GetString(const nsACString &aKey, nsACString &aResult)
+{
+  GError* error = nullptr;
+  gchar *result = gconf_client_get_string(mClient,
+                                          PromiseFlatCString(aKey).get(),
+                                          &error);
+
+  if (error) {
+    g_error_free(error);
+    return NS_ERROR_FAILURE;
+  }
+
+  // We do a string copy here so that the caller doesn't need to worry about
+  // freeing the string with g_free().
+
+  aResult.Assign(result);
+  g_free(result);
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsGConfService::GetInt(const nsACString &aKey, int32_t* aResult)
+{
+  GError* error = nullptr;
+  *aResult = gconf_client_get_int(mClient, PromiseFlatCString(aKey).get(),
+                                  &error);
+
+  if (error) {
+    g_error_free(error);
+    return NS_ERROR_FAILURE;
+  }
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsGConfService::GetFloat(const nsACString &aKey, float* aResult)
+{
+  GError* error = nullptr;
+  *aResult = gconf_client_get_float(mClient, PromiseFlatCString(aKey).get(),
+                                    &error);
+
+  if (error) {
+    g_error_free(error);
+    return NS_ERROR_FAILURE;
+  }
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsGConfService::GetStringList(const nsACString &aKey, nsIArray** aResult)
+{
+  nsCOMPtr<nsIMutableArray> items(do_CreateInstance(NS_ARRAY_CONTRACTID));
+  if (!items)
+    return NS_ERROR_OUT_OF_MEMORY;
+    
+  GError* error = nullptr;
+  GSList* list = gconf_client_get_list(mClient, PromiseFlatCString(aKey).get(),
+                                       GCONF_VALUE_STRING, &error);
+  if (error) {
+    g_error_free(error);
+    return NS_ERROR_FAILURE;
+  }
+
+  for (GSList* l = list; l; l = l->next) {
+    nsCOMPtr<nsISupportsString> obj(do_CreateInstance(NS_SUPPORTS_STRING_CONTRACTID));
+    if (!obj) {
+      g_slist_free(list);
+      return NS_ERROR_OUT_OF_MEMORY;
+    }
+    obj->SetData(NS_ConvertUTF8toUTF16((const char*)l->data));
+    items->AppendElement(obj, false);
+    g_free(l->data);
+  }
+  
+  g_slist_free(list);
+  items.forget(aResult);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsGConfService::SetBool(const nsACString &aKey, bool aValue)
+{
+  bool res = gconf_client_set_bool(mClient, PromiseFlatCString(aKey).get(),
+                                     aValue, nullptr);
+
+  return res ? NS_OK : NS_ERROR_FAILURE;
+}
+
+NS_IMETHODIMP
+nsGConfService::SetString(const nsACString &aKey, const nsACString &aValue)
+{
+  bool res = gconf_client_set_string(mClient, PromiseFlatCString(aKey).get(),
+                                       PromiseFlatCString(aValue).get(),
+                                       nullptr);
+
+  return res ? NS_OK : NS_ERROR_FAILURE;
+}
+
+NS_IMETHODIMP
+nsGConfService::SetInt(const nsACString &aKey, int32_t aValue)
+{
+  bool res = gconf_client_set_int(mClient, PromiseFlatCString(aKey).get(),
+                                    aValue, nullptr);
+
+  return res ? NS_OK : NS_ERROR_FAILURE;
+}
+
+NS_IMETHODIMP
+nsGConfService::SetFloat(const nsACString &aKey, float aValue)
+{
+  bool res = gconf_client_set_float(mClient, PromiseFlatCString(aKey).get(),
+                                      aValue, nullptr);
+
+  return res ? NS_OK : NS_ERROR_FAILURE;
+}
+
+NS_IMETHODIMP
+nsGConfService::GetAppForProtocol(const nsACString &aScheme, bool *aEnabled,
+                                  nsACString &aHandler)
+{
+  nsAutoCString key("/desktop/gnome/url-handlers/");
+  key.Append(aScheme);
+  key.AppendLiteral("/command");
+
+  GError *err = nullptr;
+  gchar *command = gconf_client_get_string(mClient, key.get(), &err);
+  if (!err && command) {
+    key.Replace(key.Length() - 7, 7, NS_LITERAL_CSTRING("enabled"));
+    *aEnabled = gconf_client_get_bool(mClient, key.get(), &err);
+  } else {
+    *aEnabled = false;
+  }
+
+  aHandler.Assign(command);
+  g_free(command);
+
+  if (err) {
+    g_error_free(err);
+    return NS_ERROR_FAILURE;
+  }
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsGConfService::HandlerRequiresTerminal(const nsACString &aScheme,
+                                        bool *aResult)
+{
+  nsAutoCString key("/desktop/gnome/url-handlers/");
+  key.Append(aScheme);
+  key.AppendLiteral("/requires_terminal");
+
+  GError *err = nullptr;
+  *aResult = gconf_client_get_bool(mClient, key.get(), &err);
+  if (err) {
+    g_error_free(err);
+    return NS_ERROR_FAILURE;
+  }
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsGConfService::SetAppForProtocol(const nsACString &aScheme,
+                                  const nsACString &aCommand)
+{
+  nsAutoCString key("/desktop/gnome/url-handlers/");
+  key.Append(aScheme);
+  key.AppendLiteral("/command");
+
+  bool res = gconf_client_set_string(mClient, key.get(),
+                                       PromiseFlatCString(aCommand).get(),
+                                       nullptr);
+  if (res) {
+    key.Replace(key.Length() - 7, 7, NS_LITERAL_CSTRING("enabled"));
+    res = gconf_client_set_bool(mClient, key.get(), true, nullptr);
+    if (res) {
+      key.Replace(key.Length() - 7, 7, NS_LITERAL_CSTRING("needs_terminal"));
+      res = gconf_client_set_bool(mClient, key.get(), false, nullptr);
+      if (res) {
+        key.Replace(key.Length() - 14, 14, NS_LITERAL_CSTRING("command-id"));
+        res = gconf_client_unset(mClient, key.get(), nullptr);
+      }
+    }
+  }
+
+  return res ? NS_OK : NS_ERROR_FAILURE;
+}