content/media/webaudio/EnableWebAudioCheck.cpp

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim:set ts=2 sw=2 sts=2 et cindent: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "EnableWebAudioCheck.h"
   8 #include "mozilla/Preferences.h"
   9
  10 namespace {
  11
  12 bool gPrefInitialized = false;
  13 bool gWebAudioEnabled = false;
  14
  15 }
  16
  17 namespace mozilla {
  18 namespace dom {
  19
  20 /* static */ bool
  21 EnableWebAudioCheck::PrefEnabled()
  22 {
  23   if (!gPrefInitialized) {
  24     Preferences::AddBoolVarCache(&gWebAudioEnabled, "media.webaudio.enabled");
  25     gPrefInitialized = true;
  26   }
  27   return gWebAudioEnabled;
  28 }
  29
  30 }
  31 }
  32