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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/callback.h"
#include "base/gtest_prod_util.h"
#include "mojo/public/shell/shell.mojom.h"
#include "mojo/service_manager/service_manager_export.h"
#include "url/gurl.h"
namespace content {
class MojoTest;
}
namespace mojo {
class ServiceLoader;
class MOJO_SERVICE_MANAGER_EXPORT ServiceManager {
public:
// API for testing.
class MOJO_SERVICE_MANAGER_EXPORT TestAPI {
private:
friend class ServiceManagerTest;
friend class content::MojoTest;
explicit TestAPI(ServiceManager* manager) : manager_(manager) {}
// Returns true if the shared instance has been created.
static bool HasCreatedInstance();
// Returns true if there is a ServiceFactory for this URL.
bool HasFactoryForURL(const GURL& url) const;
ServiceManager* manager_;
};
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 Connect(const GURL& url, ScopedMessagePipeHandle client_handle);
// Sets the default Loader to be used if not overridden by
// SetLoaderForURL() or SetLoaderForScheme().
// Does not take ownership of |loader|.
void set_default_loader(ServiceLoader* loader) { default_loader_ = loader; }
// Sets a Loader to be used for a specific url.
// Does not take ownership of |loader|.
void SetLoaderForURL(ServiceLoader* loader, const GURL& url);
// Sets a Loader to be used for a specific url scheme.
// Does not take ownership of |loader|.
void SetLoaderForScheme(ServiceLoader* loader, const std::string& scheme);
private:
class ServiceFactory;
typedef std::map<std::string, ServiceLoader*> SchemeToLoaderMap;
typedef std::map<GURL, ServiceLoader*> URLToLoaderMap;
typedef std::map<GURL, ServiceFactory*> URLToServiceFactoryMap;
// 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 ServiceFactory when it no longer has any connections.
void OnServiceFactoryError(ServiceFactory* service_factory);
// Loader management.
URLToLoaderMap url_to_loader_;
SchemeToLoaderMap scheme_to_loader_;
ServiceLoader* default_loader_;
URLToServiceFactoryMap url_to_service_factory_;
DISALLOW_COPY_AND_ASSIGN(ServiceManager);
};
} // namespace mojo
#endif // MOJO_SERVICE_MANAGER_SERVICE_MANAGER_H_
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