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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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