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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef MOJO_SHELL_SERVICE_CONNECTOR_H_ | |
| 6 #define MOJO_SHELL_SERVICE_CONNECTOR_H_ | |
| 7 | |
| 8 #include <map> | |
| 9 | |
| 10 #include "base/basictypes.h" | |
| 11 #include "base/callback.h" | |
| 12 #include "mojo/public/system/core_cpp.h" | |
| 13 #include "mojom/shell.h" | |
| 14 #include "url/gurl.h" | |
| 15 | |
| 16 namespace mojo { | |
| 17 namespace shell { | |
| 18 | |
| 19 class ServiceConnector { | |
| 20 public: | |
| 21 // Interface to allowing default loading behavior to be overridden for a | |
| 22 // specific url. | |
| 23 class Loader { | |
| 24 public: | |
| 25 virtual ~Loader(); | |
| 26 virtual void Load(const GURL& url, | |
| 27 ScopedShellHandle service_handle) = 0; | |
| 28 protected: | |
| 29 Loader(); | |
| 30 }; | |
| 31 | |
| 32 // API for testing. | |
| 33 class TestAPI { | |
| 34 private: | |
| 35 friend class ServiceConnectorTest; | |
| 36 explicit TestAPI(ServiceConnector* connector) : connector_(connector) {} | |
| 37 // Returns true if there is a ServiceFactory for this URL. | |
| 38 bool HasFactoryForURL(const GURL& url) const; | |
| 39 | |
| 40 ServiceConnector* connector_; | |
| 41 }; | |
| 42 | |
| 43 ServiceConnector(); | |
| 44 ~ServiceConnector(); | |
| 45 | |
| 46 // Sets the default Loader to be used if not overridden by SetLoaderForURL(). | |
| 47 // Does not take ownership of |loader|. | |
| 48 void set_default_loader(Loader* loader) { default_loader_ = loader; } | |
| 49 // Sets a Loader to be used for a specific url. | |
| 50 // Does not take ownership of |loader|. | |
| 51 void SetLoaderForURL(Loader* loader, const GURL& gurl); | |
| 52 // Returns the Loader to use for a url (using default if not overridden.) | |
| 53 Loader* GetLoaderForURL(const GURL& gurl); | |
| 54 // Loads a service if necessary and establishes a new client connection. | |
| 55 void Connect(const GURL& url, ScopedMessagePipeHandle client_handle); | |
| 56 | |
| 57 private: | |
| 58 class ServiceFactory; | |
| 59 | |
| 60 // Removes a ServiceFactory when it no longer has any connections. | |
| 61 void RemoveServiceFactory(ServiceFactory* service_factory); | |
| 62 | |
| 63 Loader* default_loader_; | |
| 64 typedef std::map<GURL, ServiceFactory*> ServiceFactoryMap; | |
| 65 ServiceFactoryMap url_to_service_factory_; | |
| 66 typedef std::map<GURL, Loader*> LoaderMap; | |
| 67 LoaderMap url_to_loader_; | |
| 68 DISALLOW_COPY_AND_ASSIGN(ServiceConnector); | |
| 69 }; | |
| 70 | |
| 71 } // namespace shell | |
| 72 } // namespace mojo | |
| 73 | |
| 74 #endif // MOJO_SHELL_SERVICE_CONNECTOR_H_ | |
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