cef/libcef/utility/content_utility_client.cc
2019-01-18 11:25:51 +01:00

126 lines
4.5 KiB
C++

// 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 "content/public/utility/utility_thread.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
namespace {
void RunServiceAsyncThenTerminateProcess(
std::unique_ptr<service_manager::Service> service) {
service_manager::Service::RunAsyncUntilTermination(
std::move(service),
base::BindOnce([] { content::UtilityThread::Get()->ReleaseProcess(); }));
}
#if !defined(OS_ANDROID)
std::unique_ptr<service_manager::Service> CreateProxyResolverService(
service_manager::mojom::ServiceRequest request) {
return std::make_unique<proxy_resolver::ProxyResolverService>(
std::move(request));
}
#endif
using ServiceFactory =
base::OnceCallback<std::unique_ptr<service_manager::Service>()>;
void RunServiceOnIOThread(ServiceFactory factory) {
base::OnceClosure terminate_process = base::BindOnce(
base::IgnoreResult(&base::SequencedTaskRunner::PostTask),
base::SequencedTaskRunnerHandle::Get(), FROM_HERE,
base::BindOnce([] { content::UtilityThread::Get()->ReleaseProcess(); }));
content::ChildThread::Get()->GetIOTaskRunner()->PostTask(
FROM_HERE,
base::BindOnce(
[](ServiceFactory factory, base::OnceClosure terminate_process) {
service_manager::Service::RunAsyncUntilTermination(
std::move(factory).Run(), std::move(terminate_process));
},
std::move(factory), std::move(terminate_process)));
}
} // namespace
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;
}
std::unique_ptr<service_manager::Service>
CefContentUtilityClient::MaybeCreateMainThreadService(
const std::string& service_name,
service_manager::mojom::ServiceRequest request) {
if (service_name == printing::mojom::kServiceName) {
return printing::CreatePdfCompositorService(std::move(request));
}
if (service_name == printing::mojom::kChromePrintingServiceName) {
return std::make_unique<printing::PrintingService>(std::move(request));
}
return nullptr;
}
bool CefContentUtilityClient::HandleServiceRequest(
const std::string& service_name,
service_manager::mojom::ServiceRequest request) {
if (service_name == proxy_resolver::mojom::kProxyResolverServiceName) {
RunServiceOnIOThread(
base::BindOnce(&CreateProxyResolverService, std::move(request)));
return true;
}
auto service = MaybeCreateMainThreadService(service_name, std::move(request));
if (service) {
RunServiceAsyncThenTerminateProcess(std::move(service));
return true;
}
return false;
}