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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 // This file is used to define IPC::ParamTraits<> specializations for a number | 5 // This file is used to define IPC::ParamTraits<> specializations for a number |
6 // of types so that they can be serialized over IPC. IPC::ParamTraits<> | 6 // of types so that they can be serialized over IPC. IPC::ParamTraits<> |
7 // specializations for basic types (like int and std::string) and types in the | 7 // specializations for basic types (like int and std::string) and types in the |
8 // 'base' project can be found in ipc/ipc_message_utils.h. This file contains | 8 // 'base' project can be found in ipc/ipc_message_utils.h. This file contains |
9 // specializations for types that are used by the content code, and which need | 9 // specializations for types that are used by the content code, and which need |
10 // manual serialization code. This is usually because they're not structs with | 10 // manual serialization code. This is usually because they're not structs with |
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33 class HostPortPair; | 33 class HostPortPair; |
34 class IPEndPoint; | 34 class IPEndPoint; |
35 } | 35 } |
36 | 36 |
37 namespace IPC { | 37 namespace IPC { |
38 | 38 |
39 template <> | 39 template <> |
40 struct CONTENT_EXPORT ParamTraits<GURL> { | 40 struct CONTENT_EXPORT ParamTraits<GURL> { |
41 typedef GURL param_type; | 41 typedef GURL param_type; |
42 static void Write(Message* m, const param_type& p); | 42 static void Write(Message* m, const param_type& p); |
43 static bool Read(const Message* m, PickleIterator* iter, param_type* p); | 43 static bool Read(const Message* m, base::PickleIterator* iter, param_type* p); |
44 static void Log(const param_type& p, std::string* l); | 44 static void Log(const param_type& p, std::string* l); |
45 }; | 45 }; |
46 | 46 |
47 template <> | 47 template <> |
48 struct CONTENT_EXPORT ParamTraits<url::Origin> { | 48 struct CONTENT_EXPORT ParamTraits<url::Origin> { |
49 typedef url::Origin param_type; | 49 typedef url::Origin param_type; |
50 static void Write(Message* m, const param_type& p); | 50 static void Write(Message* m, const param_type& p); |
51 static bool Read(const Message* m, PickleIterator* iter, param_type* p); | 51 static bool Read(const Message* m, base::PickleIterator* iter, param_type* p); |
52 static void Log(const param_type& p, std::string* l); | 52 static void Log(const param_type& p, std::string* l); |
53 }; | 53 }; |
54 | 54 |
55 template<> | 55 template<> |
56 struct CONTENT_EXPORT ParamTraits<net::HostPortPair> { | 56 struct CONTENT_EXPORT ParamTraits<net::HostPortPair> { |
57 typedef net::HostPortPair param_type; | 57 typedef net::HostPortPair param_type; |
58 static void Write(Message* m, const param_type& p); | 58 static void Write(Message* m, const param_type& p); |
59 static bool Read(const Message* m, PickleIterator* iter, param_type* r); | 59 static bool Read(const Message* m, base::PickleIterator* iter, param_type* r); |
60 static void Log(const param_type& p, std::string* l); | 60 static void Log(const param_type& p, std::string* l); |
61 }; | 61 }; |
62 | 62 |
63 template <> | 63 template <> |
64 struct CONTENT_EXPORT ParamTraits<net::IPEndPoint> { | 64 struct CONTENT_EXPORT ParamTraits<net::IPEndPoint> { |
65 typedef net::IPEndPoint param_type; | 65 typedef net::IPEndPoint param_type; |
66 static void Write(Message* m, const param_type& p); | 66 static void Write(Message* m, const param_type& p); |
67 static bool Read(const Message* m, PickleIterator* iter, param_type* p); | 67 static bool Read(const Message* m, base::PickleIterator* iter, param_type* p); |
68 static void Log(const param_type& p, std::string* l); | 68 static void Log(const param_type& p, std::string* l); |
69 }; | 69 }; |
70 | 70 |
71 template <> | 71 template <> |
72 struct CONTENT_EXPORT ParamTraits<content::PageState> { | 72 struct CONTENT_EXPORT ParamTraits<content::PageState> { |
73 typedef content::PageState param_type; | 73 typedef content::PageState param_type; |
74 static void Write(Message* m, const param_type& p); | 74 static void Write(Message* m, const param_type& p); |
75 static bool Read(const Message* m, PickleIterator* iter, param_type* p); | 75 static bool Read(const Message* m, base::PickleIterator* iter, param_type* p); |
76 static void Log(const param_type& p, std::string* l); | 76 static void Log(const param_type& p, std::string* l); |
77 }; | 77 }; |
78 | 78 |
79 template <> | 79 template <> |
80 struct ParamTraits<gfx::NativeWindow> { | 80 struct ParamTraits<gfx::NativeWindow> { |
81 typedef gfx::NativeWindow param_type; | 81 typedef gfx::NativeWindow param_type; |
82 static void Write(Message* m, const param_type& p) { | 82 static void Write(Message* m, const param_type& p) { |
83 #if defined(OS_WIN) | 83 #if defined(OS_WIN) |
84 // HWNDs are always 32 bits on Windows, even on 64 bit systems. | 84 // HWNDs are always 32 bits on Windows, even on 64 bit systems. |
85 m->WriteUInt32(reinterpret_cast<uint32>(p)); | 85 m->WriteUInt32(reinterpret_cast<uint32>(p)); |
86 #else | 86 #else |
87 m->WriteData(reinterpret_cast<const char*>(&p), sizeof(p)); | 87 m->WriteData(reinterpret_cast<const char*>(&p), sizeof(p)); |
88 #endif | 88 #endif |
89 } | 89 } |
90 static bool Read(const Message* m, PickleIterator* iter, param_type* r) { | 90 static bool Read(const Message* m, base::PickleIterator* iter, |
| 91 param_type* r) { |
91 #if defined(OS_WIN) | 92 #if defined(OS_WIN) |
92 return iter->ReadUInt32(reinterpret_cast<uint32*>(r)); | 93 return iter->ReadUInt32(reinterpret_cast<uint32*>(r)); |
93 #else | 94 #else |
94 const char *data; | 95 const char *data; |
95 int data_size = 0; | 96 int data_size = 0; |
96 bool result = iter->ReadData(&data, &data_size); | 97 bool result = iter->ReadData(&data, &data_size); |
97 if (result && data_size == sizeof(gfx::NativeWindow)) { | 98 if (result && data_size == sizeof(gfx::NativeWindow)) { |
98 memcpy(r, data, sizeof(gfx::NativeWindow)); | 99 memcpy(r, data, sizeof(gfx::NativeWindow)); |
99 } else { | 100 } else { |
100 result = false; | 101 result = false; |
101 NOTREACHED(); | 102 NOTREACHED(); |
102 } | 103 } |
103 return result; | 104 return result; |
104 #endif | 105 #endif |
105 } | 106 } |
106 static void Log(const param_type& p, std::string* l) { | 107 static void Log(const param_type& p, std::string* l) { |
107 l->append("<gfx::NativeWindow>"); | 108 l->append("<gfx::NativeWindow>"); |
108 } | 109 } |
109 }; | 110 }; |
110 | 111 |
111 #if defined(OS_WIN) | 112 #if defined(OS_WIN) |
112 template<> | 113 template<> |
113 struct ParamTraits<TransportDIB::Id> { | 114 struct ParamTraits<TransportDIB::Id> { |
114 typedef TransportDIB::Id param_type; | 115 typedef TransportDIB::Id param_type; |
115 static void Write(Message* m, const param_type& p) { | 116 static void Write(Message* m, const param_type& p) { |
116 WriteParam(m, p.handle); | 117 WriteParam(m, p.handle); |
117 WriteParam(m, p.sequence_num); | 118 WriteParam(m, p.sequence_num); |
118 } | 119 } |
119 static bool Read(const Message* m, PickleIterator* iter, param_type* r) { | 120 static bool Read(const Message* m, base::PickleIterator* iter, |
| 121 param_type* r) { |
120 return (ReadParam(m, iter, &r->handle) && | 122 return (ReadParam(m, iter, &r->handle) && |
121 ReadParam(m, iter, &r->sequence_num)); | 123 ReadParam(m, iter, &r->sequence_num)); |
122 } | 124 } |
123 static void Log(const param_type& p, std::string* l) { | 125 static void Log(const param_type& p, std::string* l) { |
124 l->append("TransportDIB("); | 126 l->append("TransportDIB("); |
125 LogParam(p.handle, l); | 127 LogParam(p.handle, l); |
126 l->append(", "); | 128 l->append(", "); |
127 LogParam(p.sequence_num, l); | 129 LogParam(p.sequence_num, l); |
128 l->append(")"); | 130 l->append(")"); |
129 } | 131 } |
130 }; | 132 }; |
131 #endif | 133 #endif |
132 | 134 |
133 } // namespace IPC | 135 } // namespace IPC |
134 | 136 |
135 #endif // CONTENT_PUBLIC_COMMON_COMMON_PARAM_TRAITS_H_ | 137 #endif // CONTENT_PUBLIC_COMMON_COMMON_PARAM_TRAITS_H_ |
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