content/renderer/vr/vr_dispatcher.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 CONTENT_RENDERER_VR_DISPATCHER_H_
   6 #define CONTENT_RENDERER_VR_DISPATCHER_H_
   7
   8 #include <vector>
   9
  10 #include "base/id_map.h"
  11 #include "content/common/vr_service.mojom.h"
  12 #include "third_party/WebKit/public/platform/WebVector.h"
  13 #include "third_party/WebKit/public/platform/modules/vr/WebVR.h"
  14 #include "third_party/WebKit/public/platform/modules/vr/WebVRClient.h"
  15
  16 namespace content {
  17
  18 class ServiceRegistry;
  19
  20 class VRDispatcher : NON_EXPORTED_BASE(public blink::WebVRClient) {
  21  public:
  22   explicit VRDispatcher(ServiceRegistry* service_registry);
  23   ~VRDispatcher();
  24
  25   // blink::WebVRClient implementation.
  26   void getDevices(blink::WebVRGetDevicesCallback* callback) override;
  27
  28   void getSensorState(unsigned int index,
  29                       blink::WebHMDSensorState& state) override;
  30
  31   void resetSensor(unsigned int index) override;
  32
  33  private:
  34   // Helper method that returns an initialized PermissionServicePtr.
  35   VRServicePtr& GetVRServicePtr();
  36
  37   // Callback handlers
  38   void OnGetDevices(int request_id,
  39                     const mojo::Array<VRDeviceInfoPtr>& devices);
  40   static void OnGetSensorState(blink::WebHMDSensorState* state,
  41                                const VRSensorStatePtr& mojo_state);
  42
  43   // Tracks requests sent to browser to match replies with callbacks.
  44   // Owns callback objects.
  45   IDMap<blink::WebVRGetDevicesCallback, IDMapOwnPointer> pending_requests_;
  46
  47   ServiceRegistry* service_registry_;
  48   VRServicePtr vr_service_;
  49
  50   DISALLOW_COPY_AND_ASSIGN(VRDispatcher);
  51 };
  52
  53 }  // namespace content
  54
  55 #endif  // CONTENT_RENDERER_VR_DISPATCHER_H_