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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.
#ifndef MOJO_SERVICE_MANAGER_SERVICE_MANAGER_H_
#define MOJO_SERVICE_MANAGER_SERVICE_MANAGER_H_
#include <map>
#include "base/basictypes.h"
#include "base/gtest_prod_util.h"
#include "base/memory/scoped_ptr.h"
#include "mojo/public/interfaces/service_provider/service_provider.mojom.h"
#include "mojo/service_manager/service_loader.h"
#include "mojo/service_manager/service_manager_export.h"
#include "url/gurl.h"
namespace mojo {
class MOJO_SERVICE_MANAGER_EXPORT ServiceManager {
public:
// API for testing.
class MOJO_SERVICE_MANAGER_EXPORT TestAPI {
public:
explicit TestAPI(ServiceManager* manager);
~TestAPI();
// Returns true if the shared instance has been created.
static bool HasCreatedInstance();
// Returns true if there is a ShellImpl for this URL.
bool HasFactoryForURL(const GURL& url) const;
private:
ServiceManager* manager_;
DISALLOW_COPY_AND_ASSIGN(TestAPI);
};
// Interface class for debugging only.
class Interceptor {
public:
virtual ~Interceptor() {}
// Called when ServiceManager::Connect is called.
virtual ServiceProviderPtr OnConnectToClient(
const GURL& url, ServiceProviderPtr service_provider) = 0;
};
ServiceManager();
~ServiceManager();
// Returns a shared instance, creating it if necessary.
static ServiceManager* GetInstance();
// Loads a service if necessary and establishes a new client connection.
void ConnectToApplication(const GURL& application_url,
const GURL& requestor_url,
ServiceProviderPtr service_provider);
template <typename Interface>
inline void ConnectToService(const GURL& application_url,
InterfacePtr<Interface>* ptr) {
ScopedMessagePipeHandle service_handle =
ConnectToServiceByName(application_url, Interface::Name_);
ptr->Bind(service_handle.Pass());
}
ScopedMessagePipeHandle ConnectToServiceByName(
const GURL& application_url,
const std::string& interface_name);
// Sets the default Loader to be used if not overridden by SetLoaderForURL()
// or SetLoaderForScheme().
void set_default_loader(scoped_ptr<ServiceLoader> loader) {
default_loader_ = loader.Pass();
}
// Sets a Loader to be used for a specific url.
void SetLoaderForURL(scoped_ptr<ServiceLoader> loader, const GURL& url);
// Sets a Loader to be used for a specific url scheme.
void SetLoaderForScheme(scoped_ptr<ServiceLoader> loader,
const std::string& scheme);
// Allows to interpose a debugger to service connections.
void SetInterceptor(Interceptor* interceptor);
private:
class ShellImpl;
typedef std::map<std::string, ServiceLoader*> SchemeToLoaderMap;
typedef std::map<GURL, ServiceLoader*> URLToLoaderMap;
typedef std::map<GURL, ShellImpl*> URLToShellImplMap;
// Returns the Loader to use for a url (using default if not overridden.)
// The preference is to use a loader that's been specified for an url first,
// then one that's been specified for a scheme, then the default.
ServiceLoader* GetLoaderForURL(const GURL& url);
// Removes a ShellImpl when it encounters an error.
void OnShellImplError(ShellImpl* shell_impl);
// Loader management.
URLToLoaderMap url_to_loader_;
SchemeToLoaderMap scheme_to_loader_;
scoped_ptr<ServiceLoader> default_loader_;
Interceptor* interceptor_;
URLToShellImplMap url_to_shell_impl_;
DISALLOW_COPY_AND_ASSIGN(ServiceManager);
};
} // namespace mojo
#endif // MOJO_SERVICE_MANAGER_SERVICE_MANAGER_H_
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