chrome/browser/vr/chrome_xr_integration_client.cc

// Copyright 2020 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 "chrome/browser/vr/chrome_xr_integration_client.h"

#include <utility>

#include "base/command_line.h"
#include "base/feature_list.h"
#include "base/metrics/user_metrics.h"
#include "base/metrics/user_metrics_action.h"
#include "build/build_config.h"
#include "content/public/browser/xr_install_helper.h"
#include "content/public/common/content_features.h"
#include "device/vr/buildflags/buildflags.h"
#include "device/vr/public/cpp/vr_device_provider.h"
#include "device/vr/public/mojom/vr_service.mojom-shared.h"

#if defined(OS_WIN)
#include "chrome/browser/vr/ui_host/vr_ui_host_impl.h"
#elif defined(OS_ANDROID)
#include "chrome/browser/android/vr/gvr_install_helper.h"
#include "device/vr/android/gvr/gvr_device_provider.h"
#if BUILDFLAG(ENABLE_ARCORE)
#include "chrome/browser/android/vr/ar_jni_headers/ArCompositorDelegateProviderImpl_jni.h"
#include "chrome/browser/infobars/infobar_service.h"
#include "components/webxr/android/ar_compositor_delegate_provider.h"
#include "components/webxr/android/arcore_device_provider.h"
#include "components/webxr/android/arcore_install_helper.h"
#include "components/webxr/android/xr_install_helper_delegate.h"
#endif  // ENABLE_ARCORE
#endif  // OS_WIN/OS_ANDROID

namespace vr {

// Note that this doesn't technically need to be behind this buildflag, but
// ArCore is the only thing that's using it right now.
#if BUILDFLAG(ENABLE_ARCORE)
class ChromeXrInstallHelperDelegate : public webxr::XrInstallHelperDelegate {
 public:
  ChromeXrInstallHelperDelegate() = default;
  ~ChromeXrInstallHelperDelegate() override = default;

  ChromeXrInstallHelperDelegate(const ChromeXrInstallHelperDelegate&) = delete;
  ChromeXrInstallHelperDelegate& operator=(
      const ChromeXrInstallHelperDelegate&) = delete;

  infobars::InfoBarManager* GetInfoBarManager(
      content::WebContents* web_contents) override {
    return InfoBarService::FromWebContents(web_contents);
  }
};
#endif

std::unique_ptr<content::XrInstallHelper>
ChromeXrIntegrationClient::GetInstallHelper(
    device::mojom::XRDeviceId device_id) {
  switch (device_id) {
#if defined(OS_ANDROID)
    case device::mojom::XRDeviceId::GVR_DEVICE_ID:
      return std::make_unique<GvrInstallHelper>();
#if BUILDFLAG(ENABLE_ARCORE)
    case device::mojom::XRDeviceId::ARCORE_DEVICE_ID:
      return std::make_unique<webxr::ArCoreInstallHelper>(
          std::make_unique<ChromeXrInstallHelperDelegate>());
#endif  // ENABLE_ARCORE
#endif  // OS_ANDROID
    default:
      return nullptr;
  }
}

content::XRProviderList ChromeXrIntegrationClient::GetAdditionalProviders() {
  content::XRProviderList providers;

#if defined(OS_ANDROID)
  providers.push_back(std::make_unique<device::GvrDeviceProvider>());
#if BUILDFLAG(ENABLE_ARCORE)
  // TODO(https://crbug.com/966647) remove this check.
  if (base::FeatureList::IsEnabled(features::kWebXrArModule)) {
    base::android::ScopedJavaLocalRef<jobject>
        j_ar_compositor_delegate_provider =
            vr::Java_ArCompositorDelegateProviderImpl_Constructor(
                base::android::AttachCurrentThread());

    providers.push_back(std::make_unique<webxr::ArCoreDeviceProvider>(
        webxr::ArCompositorDelegateProvider(
            std::move(j_ar_compositor_delegate_provider))));
  }
#endif  // BUILDFLAG(ENABLE_ARCORE)
#endif  // defined(OS_ANDROID)

  return providers;
}

#if defined(OS_WIN)
std::unique_ptr<content::VrUiHost> ChromeXrIntegrationClient::CreateVrUiHost(
    device::mojom::XRDeviceId device_id,
    mojo::PendingRemote<device::mojom::XRCompositorHost> compositor) {
  return std::make_unique<VRUiHostImpl>(device_id, std::move(compositor));
}
#endif
}  // namespace vr