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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/renderer/vr/vr_dispatcher.h"
#include <stddef.h>
#include "content/public/common/service_registry.h"
#include "content/renderer/vr/vr_type_converters.h"
namespace content {
VRDispatcher::VRDispatcher(ServiceRegistry* service_registry)
: service_registry_(service_registry) {
}
VRDispatcher::~VRDispatcher() {
}
mojom::VRServicePtr& VRDispatcher::GetVRServicePtr() {
if (!vr_service_) {
service_registry_->ConnectToRemoteService(mojo::GetProxy(&vr_service_));
}
return vr_service_;
}
void VRDispatcher::getDevices(blink::WebVRGetDevicesCallback* callback) {
int request_id = pending_requests_.Add(callback);
GetVRServicePtr()->GetDevices(base::Bind(&VRDispatcher::OnGetDevices,
base::Unretained(this), request_id));
}
void VRDispatcher::getSensorState(unsigned int index,
blink::WebHMDSensorState& state) {
GetVRServicePtr()->GetSensorState(
index,
base::Bind(&VRDispatcher::OnGetSensorState, base::Unretained(&state)));
// This call needs to return results synchronously in order to be useful and
// provide the lowest latency results possible.
GetVRServicePtr().WaitForIncomingResponse();
}
void VRDispatcher::resetSensor(unsigned int index) {
GetVRServicePtr()->ResetSensor(index);
}
void VRDispatcher::OnGetDevices(
int request_id,
const mojo::Array<mojom::VRDeviceInfoPtr>& devices) {
blink::WebVector<blink::WebVRDevice> web_devices(devices.size());
blink::WebVRGetDevicesCallback* callback =
pending_requests_.Lookup(request_id);
if (!callback)
return;
for (size_t i = 0; i < devices.size(); ++i) {
web_devices[i] = devices[i].To<blink::WebVRDevice>();
}
callback->onSuccess(web_devices);
pending_requests_.Remove(request_id);
}
void VRDispatcher::OnGetSensorState(blink::WebHMDSensorState* state,
const mojom::VRSensorStatePtr& mojo_state) {
*state = mojo_state.To<blink::WebHMDSensorState>();
}
} // namespace content
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