blob: dfbfd7d397e6b3f1d63c5ede5e12c049fd9a0c23 [file] [log] [blame]
// 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 "content/utility/utility_thread_impl.h"
#include <stddef.h>
#include <utility>
#include "base/command_line.h"
#include "build/build_config.h"
#include "content/child/blink_platform_impl.h"
#include "content/child/child_process.h"
#include "content/common/child_process_messages.h"
#include "content/common/utility_messages.h"
#include "content/public/common/content_switches.h"
#include "content/public/utility/content_utility_client.h"
#include "content/utility/utility_blink_platform_impl.h"
#include "content/utility/utility_service_factory.h"
#include "ipc/ipc_sync_channel.h"
#include "services/shell/public/cpp/interface_registry.h"
#include "third_party/WebKit/public/web/WebKit.h"
#if defined(OS_POSIX) && defined(ENABLE_PLUGINS)
#include "base/files/file_path.h"
#include "content/common/plugin_list.h"
#endif
namespace content {
namespace {
template<typename SRC, typename DEST>
void ConvertVector(const SRC& src, DEST* dest) {
dest->reserve(src.size());
for (typename SRC::const_iterator i = src.begin(); i != src.end(); ++i)
dest->push_back(typename DEST::value_type(*i));
}
} // namespace
UtilityThreadImpl::UtilityThreadImpl()
: ChildThreadImpl(ChildThreadImpl::Options::Builder().Build()) {
Init();
}
UtilityThreadImpl::UtilityThreadImpl(const InProcessChildThreadParams& params)
: ChildThreadImpl(ChildThreadImpl::Options::Builder()
.InBrowserProcess(params)
.UseMojoChannel(true)
.Build()) {
Init();
}
UtilityThreadImpl::~UtilityThreadImpl() {
}
void UtilityThreadImpl::Shutdown() {
ChildThreadImpl::Shutdown();
if (blink_platform_impl_)
blink::Platform::shutdown();
}
void UtilityThreadImpl::ReleaseProcessIfNeeded() {
if (batch_mode_)
return;
if (IsInBrowserProcess()) {
// Close the channel to cause UtilityProcessHostImpl to be deleted. We need
// to take a different code path than the multi-process case because that
// depends on the child process going away to close the channel, but that
// can't happen when we're in single process mode.
channel()->Close();
} else {
ChildProcess::current()->ReleaseProcess();
}
}
void UtilityThreadImpl::EnsureBlinkInitialized() {
if (blink_platform_impl_ || IsInBrowserProcess()) {
// We can only initialize WebKit on one thread, and in single process mode
// we run the utility thread on separate thread. This means that if any code
// needs WebKit initialized in the utility process, they need to have
// another path to support single process mode.
return;
}
blink_platform_impl_.reset(new UtilityBlinkPlatformImpl);
blink::Platform::initialize(blink_platform_impl_.get());
}
void UtilityThreadImpl::Init() {
batch_mode_ = false;
ChildProcess::current()->AddRefProcess();
GetContentClient()->utility()->UtilityThreadStarted();
service_factory_.reset(new UtilityServiceFactory);
GetInterfaceRegistry()->AddInterface(base::Bind(
&UtilityThreadImpl::BindServiceFactoryRequest, base::Unretained(this)));
GetContentClient()->utility()->ExposeInterfacesToBrowser(
GetInterfaceRegistry());
}
bool UtilityThreadImpl::OnControlMessageReceived(const IPC::Message& msg) {
if (GetContentClient()->utility()->OnMessageReceived(msg))
return true;
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(UtilityThreadImpl, msg)
IPC_MESSAGE_HANDLER(UtilityMsg_BatchMode_Started, OnBatchModeStarted)
IPC_MESSAGE_HANDLER(UtilityMsg_BatchMode_Finished, OnBatchModeFinished)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
void UtilityThreadImpl::OnBatchModeStarted() {
batch_mode_ = true;
}
void UtilityThreadImpl::OnBatchModeFinished() {
batch_mode_ = false;
ReleaseProcessIfNeeded();
}
void UtilityThreadImpl::BindServiceFactoryRequest(
shell::mojom::ServiceFactoryRequest request) {
DCHECK(service_factory_);
service_factory_bindings_.AddBinding(service_factory_.get(),
std::move(request));
}
} // namespace content