blob: 8848e0fe26d784f33fed910e06ea084f36244b40 [file] [log] [blame]
// Copyright 2019 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/chromeos/dbus/libvda_service_provider.h"
#include <memory>
#include <utility>
#include "base/bind.h"
#include "chrome/browser/chromeos/arc/session/arc_session_manager.h"
#include "chrome/browser/chromeos/arc/video/gpu_arc_video_service_host.h"
#include "chrome/browser/profiles/profile.h"
#include "dbus/bus.h"
#include "dbus/message.h"
#include "mojo/public/cpp/system/platform_handle.h"
#include "third_party/cros_system_api/dbus/service_constants.h"
namespace chromeos {
LibvdaServiceProvider::LibvdaServiceProvider() {}
LibvdaServiceProvider::~LibvdaServiceProvider() = default;
void LibvdaServiceProvider::Start(
scoped_refptr<dbus::ExportedObject> exported_object) {
exported_object->ExportMethod(
libvda::kLibvdaServiceInterface, libvda::kProvideMojoConnectionMethod,
base::BindRepeating(&LibvdaServiceProvider::ProvideMojoConnection,
weak_ptr_factory_.GetWeakPtr()),
base::BindRepeating(&LibvdaServiceProvider::OnExported,
weak_ptr_factory_.GetWeakPtr()));
}
void LibvdaServiceProvider::OnExported(const std::string& interface_name,
const std::string& method_name,
bool success) {
LOG_IF(ERROR, !success) << "Failed to export " << interface_name << "."
<< method_name;
}
void LibvdaServiceProvider::ProvideMojoConnection(
dbus::MethodCall* method_call,
dbus::ExportedObject::ResponseSender response_sender) {
arc::ArcSessionManager* arc_session_manager = arc::ArcSessionManager::Get();
if (!arc_session_manager) {
std::move(response_sender)
.Run(dbus::ErrorResponse::FromMethodCall(
method_call, DBUS_ERROR_FAILED,
"Could not find ARC session manager"));
return;
}
// LibvdaService will return the GpuArcVideoServiceHost instance that
// corresponds to the same profile used by ARC++. This might have to be
// changed if callers other than ARCVM use this service.
arc::GpuArcVideoServiceHost* gpu_arc_video_service_host =
arc::GpuArcVideoServiceHost::GetForBrowserContext(
arc_session_manager->profile());
gpu_arc_video_service_host->OnBootstrapVideoAcceleratorFactory(base::BindOnce(
&LibvdaServiceProvider::OnBootstrapVideoAcceleratorFactoryCallback,
weak_ptr_factory_.GetWeakPtr(), method_call, std::move(response_sender)));
}
void LibvdaServiceProvider::OnBootstrapVideoAcceleratorFactoryCallback(
dbus::MethodCall* method_call,
dbus::ExportedObject::ResponseSender response_sender,
mojo::ScopedHandle handle,
const std::string& pipe_name) {
base::ScopedFD fd = mojo::UnwrapPlatformHandle(std::move(handle)).TakeFD();
std::unique_ptr<dbus::Response> response =
dbus::Response::FromMethodCall(method_call);
dbus::MessageWriter writer(response.get());
writer.AppendFileDescriptor(fd.get());
writer.AppendString(pipe_name);
std::move(response_sender).Run(std::move(response));
}
} // namespace chromeos