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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef PPAPI_PROXY_INTERFACE_LIST_H_ | 5 #ifndef PPAPI_PROXY_INTERFACE_LIST_H_ |
6 #define PPAPI_PROXY_INTERFACE_LIST_H_ | 6 #define PPAPI_PROXY_INTERFACE_LIST_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 #include <string> | 9 #include <string> |
10 | 10 |
11 #include "base/basictypes.h" | 11 #include "base/basictypes.h" |
12 #include "base/containers/scoped_ptr_hash_map.h" | |
13 #include "base/synchronization/lock.h" | |
14 #include "ppapi/proxy/interface_proxy.h" | 12 #include "ppapi/proxy/interface_proxy.h" |
15 #include "ppapi/proxy/ppapi_proxy_export.h" | 13 #include "ppapi/proxy/ppapi_proxy_export.h" |
16 #include "ppapi/shared_impl/ppapi_permissions.h" | 14 #include "ppapi/shared_impl/ppapi_permissions.h" |
17 | 15 |
18 namespace ppapi { | 16 namespace ppapi { |
19 namespace proxy { | 17 namespace proxy { |
20 | 18 |
21 class PPAPI_PROXY_EXPORT InterfaceList { | 19 class PPAPI_PROXY_EXPORT InterfaceList { |
22 public: | 20 public: |
23 InterfaceList(); | 21 InterfaceList(); |
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42 InterfaceProxy::Factory GetFactoryForID(ApiID id) const; | 40 InterfaceProxy::Factory GetFactoryForID(ApiID id) const; |
43 | 41 |
44 // Returns the interface pointer for the given browser or plugin interface, | 42 // Returns the interface pointer for the given browser or plugin interface, |
45 // or NULL if it's not supported. | 43 // or NULL if it's not supported. |
46 const void* GetInterfaceForPPB(const std::string& name); | 44 const void* GetInterfaceForPPB(const std::string& name); |
47 const void* GetInterfaceForPPP(const std::string& name) const; | 45 const void* GetInterfaceForPPP(const std::string& name) const; |
48 | 46 |
49 private: | 47 private: |
50 friend class InterfaceListTest; | 48 friend class InterfaceListTest; |
51 | 49 |
52 class InterfaceInfo { | 50 struct InterfaceInfo { |
53 public: | 51 InterfaceInfo() |
| 52 : iface(NULL), |
| 53 required_permission(PERMISSION_NONE), |
| 54 interface_logged(false) { |
| 55 } |
54 InterfaceInfo(const void* in_interface, Permission in_perm) | 56 InterfaceInfo(const void* in_interface, Permission in_perm) |
55 : iface_(in_interface), | 57 : iface(in_interface), |
56 required_permission_(in_perm), | 58 required_permission(in_perm), |
57 sent_to_uma_(false) { | 59 interface_logged(false) { |
58 } | 60 } |
59 | 61 |
60 const void* iface() { return iface_; } | 62 const void* iface; |
61 | 63 |
62 // Permission required to return non-null for this interface. This will | 64 // Permission required to return non-null for this interface. This will |
63 // be checked with the value set via SetProcessGlobalPermissionBits when | 65 // be checked with the value set via SetProcessGlobalPermissionBits when |
64 // an interface is requested. | 66 // an interface is requested. |
65 Permission required_permission() { return required_permission_; }; | 67 Permission required_permission; |
66 | 68 |
67 // Call this any time the interface is requested. It will log a UMA count | 69 // Interface usage is logged just once per-interface-per-plugin-process. |
68 // only the first time. This is safe to call from any thread, regardless of | 70 bool interface_logged; |
69 // whether the proxy lock is held. | 71 }; |
70 void LogWithUmaOnce(IPC::Sender* sender, const std::string& name); | |
71 private: | |
72 DISALLOW_COPY_AND_ASSIGN(InterfaceInfo); | |
73 | 72 |
74 const void* const iface_; | 73 typedef std::map<std::string, InterfaceInfo> NameToInterfaceInfoMap; |
75 const Permission required_permission_; | |
76 | |
77 bool sent_to_uma_; | |
78 base::Lock sent_to_uma_lock_; | |
79 }; | |
80 // Give friendship for HashInterfaceName. | |
81 friend class InterfaceInfo; | |
82 | |
83 typedef base::ScopedPtrHashMap<std::string, InterfaceInfo> | |
84 NameToInterfaceInfoMap; | |
85 | 74 |
86 void AddProxy(ApiID id, InterfaceProxy::Factory factory); | 75 void AddProxy(ApiID id, InterfaceProxy::Factory factory); |
87 | 76 |
88 // Permissions is the type of permission required to access the corresponding | 77 // Permissions is the type of permission required to access the corresponding |
89 // interface. Currently this must be just one unique permission (rather than | 78 // interface. Currently this must be just one unique permission (rather than |
90 // a bitfield). | 79 // a bitfield). |
91 void AddPPB(const char* name, const void* iface, Permission permission); | 80 void AddPPB(const char* name, const void* iface, Permission permission); |
92 void AddPPP(const char* name, const void* iface); | 81 void AddPPP(const char* name, const void* iface); |
93 | 82 |
94 // Hash the interface name for UMA logging. | 83 // Hash the interface name for UMA logging. |
95 static int HashInterfaceName(const std::string& name); | 84 static int HashInterfaceName(const std::string& name); |
96 | 85 |
97 PpapiPermissions permissions_; | 86 PpapiPermissions permissions_; |
98 | 87 |
99 NameToInterfaceInfoMap name_to_browser_info_; | 88 NameToInterfaceInfoMap name_to_browser_info_; |
100 NameToInterfaceInfoMap name_to_plugin_info_; | 89 NameToInterfaceInfoMap name_to_plugin_info_; |
101 | 90 |
102 InterfaceProxy::Factory id_to_factory_[API_ID_COUNT]; | 91 InterfaceProxy::Factory id_to_factory_[API_ID_COUNT]; |
103 | 92 |
104 DISALLOW_COPY_AND_ASSIGN(InterfaceList); | 93 DISALLOW_COPY_AND_ASSIGN(InterfaceList); |
105 }; | 94 }; |
106 | 95 |
107 } // namespace proxy | 96 } // namespace proxy |
108 } // namespace ppapi | 97 } // namespace ppapi |
109 | 98 |
110 #endif // PPAPI_PROXY_INTERFACE_LIST_H_ | 99 #endif // PPAPI_PROXY_INTERFACE_LIST_H_ |
111 | 100 |
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