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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/public/browser/device_service.h"
#include "base/memory/scoped_refptr.h"
#include "base/task/single_thread_task_runner.h"
#include "base/task/thread_pool.h"
#include "base/threading/sequence_local_storage_slot.h"
#include "build/build_config.h"
#include "content/public/browser/browser_task_traits.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/content_browser_client.h"
#include "content/public/browser/network_service_instance.h"
#include "content/public/common/content_client.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "services/device/device_service.h"
#include "services/device/public/cpp/geolocation/geolocation_system_permission_manager.h"
#include "services/network/public/cpp/cross_thread_pending_shared_url_loader_factory.h"
#include "services/network/public/mojom/network_service_test.mojom.h"
#include "services/network/public/mojom/url_loader.mojom.h"
#if BUILDFLAG(IS_ANDROID)
#include "base/android/jni_android.h"
#include "base/android/scoped_java_ref.h"
#include "content/browser/wake_lock/wake_lock_context_host.h"
#include "content/public/android/content_jni_headers/ContentNfcDelegate_jni.h"
#endif
namespace content {
namespace {
// SharedURLLoaderFactory for device service, backed by
// GetContentClient()->browser()->GetSystemSharedURLLoaderFactory().
class DeviceServiceURLLoaderFactory : public network::SharedURLLoaderFactory {
public:
DeviceServiceURLLoaderFactory() = default;
DeviceServiceURLLoaderFactory(const DeviceServiceURLLoaderFactory&) = delete;
DeviceServiceURLLoaderFactory& operator=(
const DeviceServiceURLLoaderFactory&) = delete;
// mojom::URLLoaderFactory implementation:
void CreateLoaderAndStart(
mojo::PendingReceiver<network::mojom::URLLoader> receiver,
int32_t request_id,
uint32_t options,
const network::ResourceRequest& url_request,
mojo::PendingRemote<network::mojom::URLLoaderClient> client,
const net::MutableNetworkTrafficAnnotationTag& traffic_annotation)
override {
auto factory =
GetContentClient()->browser()->GetSystemSharedURLLoaderFactory();
if (!factory)
return;
factory->CreateLoaderAndStart(std::move(receiver), request_id, options,
url_request, std::move(client),
traffic_annotation);
}
// SharedURLLoaderFactory implementation:
void Clone(mojo::PendingReceiver<network::mojom::URLLoaderFactory> receiver)
override {
GetContentClient()->browser()->GetSystemSharedURLLoaderFactory()->Clone(
std::move(receiver));
}
std::unique_ptr<network::PendingSharedURLLoaderFactory> Clone() override {
return std::make_unique<network::CrossThreadPendingSharedURLLoaderFactory>(
this);
}
private:
friend class base::RefCounted<DeviceServiceURLLoaderFactory>;
~DeviceServiceURLLoaderFactory() override = default;
};
void BindDeviceServiceReceiver(
mojo::PendingReceiver<device::mojom::DeviceService> receiver) {
// Bind the lifetime of the service instance to that of the sequence it's
// running on.
static base::SequenceLocalStorageSlot<std::unique_ptr<device::DeviceService>>
service_slot;
auto& service = service_slot.GetOrCreateValue();
if (service) {
service->AddReceiver(std::move(receiver));
return;
}
auto params = std::make_unique<device::DeviceServiceParams>();
// This task runner may be used by some device service implementation bits
// to interface with dbus client code, which in turn imposes some subtle
// thread affinity on the clients. We therefore require a single-thread
// runner.
params->file_task_runner = base::ThreadPool::CreateSingleThreadTaskRunner(
{base::MayBlock(), base::TaskPriority::BEST_EFFORT});
params->io_task_runner = GetIOThreadTaskRunner({});
params->url_loader_factory =
base::MakeRefCounted<DeviceServiceURLLoaderFactory>();
params->network_connection_tracker = content::GetNetworkConnectionTracker();
params->geolocation_api_key =
GetContentClient()->browser()->GetGeolocationApiKey();
params->custom_location_provider_callback =
base::BindRepeating(&ContentBrowserClient::OverrideSystemLocationProvider,
base::Unretained(GetContentClient()->browser()));
params->geolocation_system_permission_manager =
GetContentClient()->browser()->GetGeolocationSystemPermissionManager();
#if BUILDFLAG(IS_ANDROID)
JNIEnv* env = base::android::AttachCurrentThread();
params->java_nfc_delegate = Java_ContentNfcDelegate_create(env);
DCHECK(!params->java_nfc_delegate.is_null());
params->wake_lock_context_callback =
base::BindRepeating(&WakeLockContextHost::GetNativeViewForContext);
params->use_gms_core_location_provider =
GetContentClient()->browser()->ShouldUseGmsCoreGeolocationProvider();
#endif
service = device::CreateDeviceService(std::move(params), std::move(receiver));
}
} // namespace
device::mojom::DeviceService& GetDeviceService() {
static base::SequenceLocalStorageSlot<
mojo::Remote<device::mojom::DeviceService>>
remote_slot;
mojo::Remote<device::mojom::DeviceService>& remote =
remote_slot.GetOrCreateValue();
if (!remote) {
// This may be called very early in startup, too early for some Device
// Service initialization steps (for example, in browser test environments,
// the Device Service's connection to the Network Service could deadlock).
// We post a task to defer until the main message loop has started, when
// initialization is reliably safe.
GetUIThreadTaskRunner({})->PostTask(
FROM_HERE, base::BindOnce(&BindDeviceServiceReceiver,
remote.BindNewPipeAndPassReceiver()));
}
return *remote.get();
}
} // namespace content
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