components/gcm_driver/instance_id/instance_id_driver.h

   1 // Copyright 2015 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 COMPONENTS_GCM_DRIVER_INSTANCE_ID_INSTANCE_ID_DRIVER_H_
   6 #define COMPONENTS_GCM_DRIVER_INSTANCE_ID_INSTANCE_ID_DRIVER_H_
   7
   8 #include <string>
   9
  10 #include "base/containers/scoped_ptr_map.h"
  11 #include "base/macros.h"
  12 #include "base/memory/scoped_ptr.h"
  13
  14 namespace gcm {
  15 class GCMDriver;
  16 }  // namespace gcm
  17
  18 namespace instance_id {
  19
  20 class InstanceID;
  21
  22 // Bridge between Instance ID users in Chrome and the platform-specific
  23 // implementation.
  24 class InstanceIDDriver {
  25  public:
  26   // Returns whether InstanceID is enabled.
  27   static bool IsInstanceIDEnabled();
  28
  29   explicit InstanceIDDriver(gcm::GCMDriver* gcm_driver);
  30   virtual ~InstanceIDDriver();
  31
  32   // Returns the InstanceID that provides the Instance ID service for the given
  33   // application. The lifetime of InstanceID will be managed by this class.
  34   InstanceID* GetInstanceID(const std::string& app_id);
  35
  36   // Removes the InstanceID when it is not longer needed, i.e. the app is being
  37   // uninstalled.
  38   void RemoveInstanceID(const std::string& app_id);
  39
  40   // Returns true if the InstanceID for the given application has been created.
  41   // This is currently only used for testing purpose.
  42   bool ExistsInstanceID(const std::string& app_id) const;
  43
  44  private:
  45   gcm::GCMDriver* gcm_driver_;  // Not owned.
  46   base::ScopedPtrMap<std::string, scoped_ptr<InstanceID>> instance_id_map_;
  47
  48   DISALLOW_COPY_AND_ASSIGN(InstanceIDDriver);
  49 };
  50
  51 }  // namespace instance_id
  52
  53 #endif  // COMPONENTS_GCM_DRIVER_INSTANCE_ID_INSTANCE_ID_DRIVER_H_