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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/service_manager/service_manager.h"
#include "base/lazy_instance.h"
#include "base/logging.h"
#include "base/macros.h"
#include "mojo/public/bindings/allocation_scope.h"
#include "mojo/public/bindings/error_handler.h"
#include "mojo/public/bindings/remote_ptr.h"
#include "mojo/service_manager/service_loader.h"
namespace mojo {
class ServiceManager::ServiceFactory : public Shell, public ErrorHandler {
public:
ServiceFactory(ServiceManager* manager, const GURL& url)
: manager_(manager),
url_(url) {
InterfacePipe<Shell> pipe;
shell_client_.reset(pipe.handle_to_peer.Pass(), this, this);
manager_->GetLoaderForURL(url)->LoadService(manager_,
url,
pipe.handle_to_self.Pass());
}
virtual ~ServiceFactory() {}
void ConnectToClient(ScopedMessagePipeHandle handle) {
if (handle.is_valid()) {
AllocationScope scope;
shell_client_->AcceptConnection(url_.spec(), handle.Pass());
}
}
virtual void Connect(const String& url,
ScopedMessagePipeHandle client_pipe) OVERRIDE {
manager_->Connect(GURL(url.To<std::string>()), client_pipe.Pass());
}
virtual void OnError() OVERRIDE {
manager_->RemoveServiceFactory(this);
}
const GURL& url() const { return url_; }
private:
ServiceManager* const manager_;
const GURL url_;
RemotePtr<ShellClient> shell_client_;
DISALLOW_COPY_AND_ASSIGN(ServiceFactory);
};
bool ServiceManager::TestAPI::HasFactoryForURL(const GURL& url) const {
return manager_->url_to_service_factory_.find(url) !=
manager_->url_to_service_factory_.end();
}
ServiceManager::ServiceManager() : default_loader_(NULL) {
}
ServiceManager::~ServiceManager() {
for (ServiceFactoryMap::iterator it = url_to_service_factory_.begin();
it != url_to_service_factory_.end(); ++it) {
delete it->second;
}
url_to_service_factory_.clear();
}
// static
ServiceManager* GetInstance() {
static base::LazyInstance<ServiceManager> instance =
LAZY_INSTANCE_INITIALIZER;
return &instance.Get();
}
void ServiceManager::SetLoaderForURL(ServiceLoader* loader, const GURL& gurl) {
DCHECK(url_to_loader_.find(gurl) == url_to_loader_.end());
url_to_loader_[gurl] = loader;
}
ServiceLoader* ServiceManager::GetLoaderForURL(const GURL& gurl) {
LoaderMap::const_iterator it = url_to_loader_.find(gurl);
if (it != url_to_loader_.end())
return it->second;
DCHECK(default_loader_);
return default_loader_;
}
void ServiceManager::Connect(const GURL& url,
ScopedMessagePipeHandle client_handle) {
ServiceFactoryMap::const_iterator service_it =
url_to_service_factory_.find(url);
ServiceFactory* service_factory;
if (service_it != url_to_service_factory_.end()) {
service_factory = service_it->second;
} else {
service_factory = new ServiceFactory(this, url);
url_to_service_factory_[url] = service_factory;
}
service_factory->ConnectToClient(client_handle.Pass());
}
void ServiceManager::RemoveServiceFactory(ServiceFactory* service_factory) {
ServiceFactoryMap::iterator it =
url_to_service_factory_.find(service_factory->url());
DCHECK(it != url_to_service_factory_.end());
delete it->second;
url_to_service_factory_.erase(it);
}
} // namespace mojo
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