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// Copyright 2013 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 "mojo/shell/context.h"
#include "build/build_config.h"
#include "base/command_line.h"
#include "base/lazy_instance.h"
#include "base/memory/scoped_vector.h"
#include "mojo/embedder/embedder.h"
#include "mojo/gles2/gles2_support_impl.h"
#include "mojo/public/cpp/shell/application.h"
#include "mojo/service_manager/background_service_loader.h"
#include "mojo/service_manager/service_loader.h"
#include "mojo/service_manager/service_manager.h"
#include "mojo/services/native_viewport/native_viewport_service.h"
#include "mojo/shell/dynamic_service_loader.h"
#include "mojo/shell/in_process_dynamic_service_runner.h"
#include "mojo/shell/network_delegate.h"
#include "mojo/shell/out_of_process_dynamic_service_runner.h"
#include "mojo/shell/switches.h"
#include "mojo/spy/spy.h"
#if defined(OS_LINUX)
#include "mojo/shell/dbus_service_loader_linux.h"
#endif // defined(OS_LINUX)
#if defined(USE_AURA)
#include "mojo/services/view_manager/root_node_manager.h"
#include "mojo/services/view_manager/view_manager_connection.h"
#endif
namespace mojo {
namespace shell {
namespace {
// Used to ensure we only init once.
class Setup {
public:
Setup() {
embedder::Init();
gles2::GLES2SupportImpl::Init();
}
~Setup() {
}
private:
DISALLOW_COPY_AND_ASSIGN(Setup);
};
static base::LazyInstance<Setup> setup = LAZY_INSTANCE_INITIALIZER;
#if defined(USE_AURA)
class ViewManagerLoader : public ServiceLoader {
public:
ViewManagerLoader() {}
virtual ~ViewManagerLoader() {}
private:
virtual void LoadService(ServiceManager* manager,
const GURL& url,
ScopedShellHandle shell_handle) OVERRIDE {
scoped_ptr<Application> app(new Application(shell_handle.Pass()));
app->AddServiceConnector(
new ServiceConnector<services::view_manager::ViewManagerConnection,
services::view_manager::RootNodeManager>(
&root_node_manager_));
apps_.push_back(app.release());
}
virtual void OnServiceError(ServiceManager* manager,
const GURL& url) OVERRIDE {
}
services::view_manager::RootNodeManager root_node_manager_;
ScopedVector<Application> apps_;
DISALLOW_COPY_AND_ASSIGN(ViewManagerLoader);
};
#endif
} // namespace
class Context::NativeViewportServiceLoader : public ServiceLoader {
public:
explicit NativeViewportServiceLoader(Context* context) : context_(context) {}
virtual ~NativeViewportServiceLoader() {}
private:
virtual void LoadService(ServiceManager* manager,
const GURL& url,
ScopedShellHandle service_handle) OVERRIDE {
app_.reset(::CreateNativeViewportService(context_, service_handle.Pass()));
}
virtual void OnServiceError(ServiceManager* manager,
const GURL& url) OVERRIDE {
}
Context* context_;
scoped_ptr<Application> app_;
DISALLOW_COPY_AND_ASSIGN(NativeViewportServiceLoader);
};
Context::Context()
: task_runners_(base::MessageLoop::current()->message_loop_proxy()),
storage_(),
loader_(task_runners_.io_runner(),
task_runners_.file_runner(),
task_runners_.cache_runner(),
scoped_ptr<net::NetworkDelegate>(new NetworkDelegate()),
storage_.profile_path()) {
setup.Get();
CommandLine* cmdline = CommandLine::ForCurrentProcess();
scoped_ptr<DynamicServiceRunnerFactory> runner_factory;
if (cmdline->HasSwitch(switches::kEnableMultiprocess))
runner_factory.reset(new OutOfProcessDynamicServiceRunnerFactory());
else
runner_factory.reset(new InProcessDynamicServiceRunnerFactory());
service_manager_.set_default_loader(
scoped_ptr<ServiceLoader>(
new DynamicServiceLoader(this, runner_factory.Pass())));
// The native viewport service synchronously waits for certain messages. If we
// don't run it on its own thread we can easily deadlock. Long term native
// viewport should run its own process so that this isn't an issue.
service_manager_.SetLoaderForURL(
scoped_ptr<ServiceLoader>(
new BackgroundServiceLoader(
scoped_ptr<ServiceLoader>(new NativeViewportServiceLoader(this)),
"native_viewport")),
GURL("mojo:mojo_native_viewport_service"));
#if defined(USE_AURA)
// TODO(sky): need a better way to find this. It shouldn't be linked in.
service_manager_.SetLoaderForURL(
scoped_ptr<ServiceLoader>(new ViewManagerLoader()),
GURL("mojo:mojo_view_manager"));
#endif
#if defined(OS_LINUX)
service_manager_.SetLoaderForScheme(
scoped_ptr<ServiceLoader>(new DBusServiceLoader(this)),
"dbus");
#endif // defined(OS_LINUX)
if (cmdline->HasSwitch(switches::kSpy)) {
spy_.reset(new mojo::Spy(&service_manager_,
cmdline->GetSwitchValueASCII(switches::kSpy)));
}
}
Context::~Context() {
// mojo_view_manager uses native_viewport. Destroy mojo_view_manager first so
// that there aren't shutdown ordering issues. Once native viewport service is
// moved into its own process this can likely be nuked.
#if defined(USE_AURA)
service_manager_.SetLoaderForURL(
scoped_ptr<ServiceLoader>(),
GURL("mojo:mojo_view_manager"));
#endif
service_manager_.set_default_loader(scoped_ptr<ServiceLoader>());
}
} // namespace shell
} // namespace mojo
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