content/browser/geofencing/geofencing_provider.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 CONTENT_BROWSER_GEOFENCING_GEOFENCING_PROVIDER_H_
   6 #define CONTENT_BROWSER_GEOFENCING_GEOFENCING_PROVIDER_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/callback_forward.h"
  10 #include "content/common/geofencing_types.h"
  11
  12 namespace blink {
  13 struct WebCircularGeofencingRegion;
  14 };
  15
  16 namespace content {
  17
  18 class GeofencingProvider {
  19  public:
  20   typedef base::Callback<void(GeofencingStatus)> StatusCallback;
  21
  22   virtual ~GeofencingProvider() {}
  23
  24   // Called by |GeofencingService| to register a new fence. GeofencingService is
  25   // responsible for handling things like duplicate regions, so platform
  26   // specific implementations shouldn't have to worry about things like that.
  27   // Also GeofencingService should be making sure the total number of geofences
  28   // that is registered with the platform specific provider does not exceed the
  29   // number of regions supported by the platform, although that isn't
  30   // implemented yet.
  31   // Implementations of RegisterRegion must asynchronously call the |callback|
  32   // to indicate success or failure.
  33   virtual void RegisterRegion(int64 geofencing_registration_id,
  34                               const blink::WebCircularGeofencingRegion& region,
  35                               const StatusCallback& callback) = 0;
  36
  37   // Called by |GeofencingService| to unregister an existing registration. Will
  38   // only be called once for each registration.
  39   virtual void UnregisterRegion(int64 geofencing_registration_id) = 0;
  40 };
  41
  42 }  // namespace content
  43
  44 #endif  // CONTENT_BROWSER_GEOFENCING_GEOFENCING_PROVIDER_H_