widget/gonk/nsIdleServiceGonk.h

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /* vim:expandtab:shiftwidth=4:tabstop=4: */
   3 /* Copyright 2012 Mozilla Foundation and Mozilla contributors
   4  *
   5  * Licensed under the Apache License, Version 2.0 (the "License");
   6  * you may not use this file except in compliance with the License.
   7  * You may obtain a copy of the License at
   8  *
   9  *     http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  */
  17
  18 #ifndef nsIdleServiceGonk_h__
  19 #define nsIdleServiceGonk_h__
  20
  21 #include "nsIdleService.h"
  22
  23 class nsIdleServiceGonk : public nsIdleService
  24 {
  25 public:
  26     NS_DECL_ISUPPORTS_INHERITED
  27
  28     bool PollIdleTime(uint32_t* aIdleTime);
  29
  30     static already_AddRefed<nsIdleServiceGonk> GetInstance()
  31     {
  32         nsRefPtr<nsIdleServiceGonk> idleService =
  33             nsIdleService::GetInstance().downcast<nsIdleServiceGonk>();
  34         if (!idleService) {
  35             idleService = new nsIdleServiceGonk();
  36         }
  37
  38         return idleService.forget();
  39     }
  40
  41 protected:
  42     nsIdleServiceGonk() { }
  43     virtual ~nsIdleServiceGonk() { }
  44     bool UsePollMode();
  45 };
  46
  47 #endif // nsIdleServiceGonk_h__