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| 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 #include "content/renderer/vr/vr_dispatcher.h" | |
| 6 | |
| 7 #include "content/public/common/service_registry.h" | |
| 8 #include "content/renderer/vr/vr_type_converters.h" | |
| 9 | |
| 10 namespace content { | |
| 11 | |
| 12 VRDispatcher::VRDispatcher(ServiceRegistry* service_registry) | |
| 13 : service_registry_(service_registry) { | |
| 14 } | |
| 15 | |
| 16 VRDispatcher::~VRDispatcher() { | |
| 17 } | |
| 18 | |
| 19 VRServicePtr& VRDispatcher::GetVRServicePtr() { | |
| 20 if (!vr_service_) { | |
| 21 service_registry_->ConnectToRemoteService(mojo::GetProxy(&vr_service_)); | |
| 22 } | |
| 23 return vr_service_; | |
| 24 } | |
| 25 | |
| 26 void VRDispatcher::getDevices(blink::WebVRGetDevicesCallback* callback) { | |
| 27 int request_id = pending_requests_.Add(callback); | |
| 28 GetVRServicePtr()->GetDevices(base::Bind(&VRDispatcher::OnGetDevices, | |
| 29 base::Unretained(this), request_id)); | |
| 30 } | |
| 31 | |
| 32 void VRDispatcher::getSensorState(unsigned int index, | |
| 33 blink::WebHMDSensorState& state) { | |
| 34 GetVRServicePtr()->GetSensorState( | |
| 35 index, | |
| 36 base::Bind(&VRDispatcher::OnGetSensorState, base::Unretained(&state))); | |
| 37 | |
| 38 // This call needs to return results synchronously in order to be useful and | |
| 39 // provide the lowest latency results possible. | |
| 40 GetVRServicePtr().WaitForIncomingResponse(); | |
| 41 } | |
| 42 | |
| 43 void VRDispatcher::resetSensor(unsigned int index) { | |
| 44 GetVRServicePtr()->ResetSensor(index); | |
| 45 } | |
| 46 | |
| 47 void VRDispatcher::OnGetDevices(int request_id, | |
| 48 const mojo::Array<VRDeviceInfoPtr>& devices) { | |
| 49 blink::WebVector<blink::WebVRDevice> web_devices(devices.size()); | |
| 50 | |
| 51 blink::WebVRGetDevicesCallback* callback = | |
| 52 pending_requests_.Lookup(request_id); | |
| 53 if (!callback) | |
| 54 return; | |
| 55 | |
| 56 for (size_t i = 0; i < devices.size(); ++i) { | |
| 57 web_devices[i] = devices[i].To<blink::WebVRDevice>(); | |
| 58 } | |
| 59 | |
| 60 callback->onSuccess(&web_devices); | |
| 61 pending_requests_.Remove(request_id); | |
| 62 } | |
| 63 | |
| 64 void VRDispatcher::OnGetSensorState(blink::WebHMDSensorState* state, | |
| 65 const VRSensorStatePtr& mojo_state) { | |
| 66 *state = mojo_state.To<blink::WebHMDSensorState>(); | |
| 67 } | |
| 68 | |
| 69 } // namespace content | |
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