cef/libcef/utility/content_utility_client.cc

// Copyright (c) 2014 the Chromium Embedded Framework authors.
// Portions Copyright (c) 2012 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 "libcef/utility/content_utility_client.h"

#include <utility>

#include "build/build_config.h"
#include "chrome/services/printing/printing_service.h"
#include "chrome/services/printing/public/mojom/constants.mojom.h"
#include "components/services/pdf_compositor/public/cpp/pdf_compositor_service_factory.h"
#include "components/services/pdf_compositor/public/interfaces/pdf_compositor.mojom.h"
#include "content/public/child/child_thread.h"
#include "content/public/common/service_manager_connection.h"
#include "content/public/common/simple_connection_filter.h"
#include "mojo/public/cpp/bindings/strong_binding.h"
#include "services/network/url_request_context_builder_mojo.h"
#include "services/proxy_resolver/proxy_resolver_service.h"  // nogncheck
#include "services/proxy_resolver/public/mojom/proxy_resolver.mojom.h"  // nogncheck
#include "services/service_manager/public/cpp/binder_registry.h"

#if defined(OS_WIN)
#include "chrome/utility/printing_handler.h"
#endif

CefContentUtilityClient::CefContentUtilityClient() {
#if defined(OS_WIN)
  printing_handler_ = std::make_unique<printing::PrintingHandler>();
#endif
}

CefContentUtilityClient::~CefContentUtilityClient() {}

void CefContentUtilityClient::UtilityThreadStarted() {
  content::ServiceManagerConnection* connection =
      content::ChildThread::Get()->GetServiceManagerConnection();

  // NOTE: Some utility process instances are not connected to the Service
  // Manager. Nothing left to do in that case.
  if (!connection)
    return;

  auto registry = std::make_unique<service_manager::BinderRegistry>();

  connection->AddConnectionFilter(
      std::make_unique<content::SimpleConnectionFilter>(std::move(registry)));
}

bool CefContentUtilityClient::OnMessageReceived(const IPC::Message& message) {
  bool handled = false;

#if defined(OS_WIN)
  if (printing_handler_->OnMessageReceived(message))
    return true;
#endif

  return handled;
}

void CefContentUtilityClient::RegisterServices(StaticServiceMap* services) {
  {
    service_manager::EmbeddedServiceInfo printing_info;
    printing_info.factory =
        base::Bind(&printing::PrintingService::CreateService);
    services->emplace(printing::mojom::kChromePrintingServiceName,
                      printing_info);
  }

  service_manager::EmbeddedServiceInfo proxy_resolver_info;
  proxy_resolver_info.task_runner =
      content::ChildThread::Get()->GetIOTaskRunner();
  proxy_resolver_info.factory =
      base::Bind(&proxy_resolver::ProxyResolverService::CreateService);
  services->emplace(proxy_resolver::mojom::kProxyResolverServiceName,
                    proxy_resolver_info);
}

std::unique_ptr<service_manager::Service>
CefContentUtilityClient::HandleServiceRequest(
    const std::string& service_name,
    service_manager::mojom::ServiceRequest request) {
  if (service_name == printing::mojom::kServiceName) {
    return printing::CreatePdfCompositorService(std::string(),
                                                std::move(request));
  }
  return nullptr;
}