chromecast/service/cast_service.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROMECAST_SERVICE_CAST_SERVICE_H_
   6 #define CHROMECAST_SERVICE_CAST_SERVICE_H_
   7
   8 #include "base/callback.h"
   9 #include "base/macros.h"
  10 #include "base/memory/scoped_ptr.h"
  11
  12 class PrefService;
  13
  14 namespace base {
  15 class ThreadChecker;
  16 }
  17
  18 namespace content {
  19 class BrowserContext;
  20 }
  21
  22 namespace net {
  23 class URLRequestContextGetter;
  24 }
  25
  26 namespace chromecast {
  27
  28 class CastService {
  29  public:
  30   virtual ~CastService();
  31
  32   // Initializes/finalizes the cast service.
  33   void Initialize();
  34   void Finalize();
  35
  36   // Starts/stops the cast service.
  37   void Start();
  38   void Stop();
  39
  40  protected:
  41   CastService(content::BrowserContext* browser_context,
  42               PrefService* pref_service);
  43
  44   // Implementation-specific initialization. Initialization of cast service's
  45   // sub-components, and anything that requires IO operations should go here.
  46   // Anything that should happen before cast service is started but doesn't need
  47   // the sub-components to finish initializing should also go here.
  48   virtual void InitializeInternal() = 0;
  49
  50   // Implementation-specific finalization. Any initializations done by
  51   // InitializeInternal() should be finalized here.
  52   virtual void FinalizeInternal() = 0;
  53
  54   // Implementation-specific start behavior. It basically starts the
  55   // sub-component services and does additional initialization that cannot be
  56   // done in the InitializationInternal().
  57   virtual void StartInternal() = 0;
  58
  59   // Implementation-specific stop behavior. Any initializations done by
  60   // StartInternal() should be finalized here.
  61   virtual void StopInternal() = 0;
  62
  63   content::BrowserContext* browser_context() const { return browser_context_; }
  64   PrefService* pref_service() const { return pref_service_; }
  65
  66  private:
  67   content::BrowserContext* const browser_context_;
  68   PrefService* const pref_service_;
  69   bool stopped_;
  70   const scoped_ptr<base::ThreadChecker> thread_checker_;
  71
  72   DISALLOW_COPY_AND_ASSIGN(CastService);
  73 };
  74
  75 }  // namespace chromecast
  76
  77 #endif  // CHROMECAST_SERVICE_CAST_SERVICE_H_