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| 1 // Copyright (c) 2011 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 // 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<> | |
| 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 | |
| 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 | |
| 11 // public members.. | |
| 12 | |
| 13 #ifndef CONTENT_COMMON_COMMON_PARAM_TRAITS_H_ | |
| 14 #define CONTENT_COMMON_COMMON_PARAM_TRAITS_H_ | |
| 15 #pragma once | |
| 16 | |
| 17 #include "base/memory/ref_counted.h" | |
| 18 #include "base/platform_file.h" | |
| 19 #include "content/common/content_export.h" | |
| 20 #include "content/common/dom_storage_common.h" | |
| 21 #include "content/public/common/page_transition_types.h" | |
| 22 #include "googleurl/src/gurl.h" | |
| 23 #include "ipc/ipc_message_utils.h" | |
| 24 #include "net/base/ip_endpoint.h" | |
| 25 #include "net/url_request/url_request_status.h" | |
| 26 #include "ui/gfx/native_widget_types.h" | |
| 27 #include "ui/gfx/surface/transport_dib.h" | |
| 28 #include "webkit/glue/resource_type.h" | |
| 29 | |
| 30 class SkBitmap; | |
| 31 | |
| 32 namespace gfx { | |
| 33 class Point; | |
| 34 class Rect; | |
| 35 class Size; | |
| 36 } // namespace gfx | |
| 37 | |
| 38 namespace net { | |
| 39 class HttpResponseHeaders; | |
| 40 class HostPortPair; | |
| 41 class UploadData; | |
| 42 } | |
| 43 | |
| 44 namespace ui { | |
| 45 class Range; | |
| 46 } | |
| 47 | |
| 48 namespace IPC { | |
| 49 | |
| 50 template <> | |
| 51 struct CONTENT_EXPORT ParamTraits<GURL> { | |
| 52 typedef GURL param_type; | |
| 53 static void Write(Message* m, const param_type& p); | |
| 54 static bool Read(const Message* m, void** iter, param_type* p); | |
| 55 static void Log(const param_type& p, std::string* l); | |
| 56 }; | |
| 57 | |
| 58 template <> | |
| 59 struct ParamTraits<ResourceType::Type> { | |
| 60 typedef ResourceType::Type param_type; | |
| 61 static void Write(Message* m, const param_type& p); | |
| 62 static bool Read(const Message* m, void** iter, param_type* p); | |
| 63 static void Log(const param_type& p, std::string* l); | |
| 64 }; | |
| 65 | |
| 66 template <> | |
| 67 struct CONTENT_EXPORT ParamTraits<net::URLRequestStatus> { | |
| 68 typedef net::URLRequestStatus param_type; | |
| 69 static void Write(Message* m, const param_type& p); | |
| 70 static bool Read(const Message* m, void** iter, param_type* r); | |
| 71 static void Log(const param_type& p, std::string* l); | |
| 72 }; | |
| 73 | |
| 74 template <> | |
| 75 struct CONTENT_EXPORT ParamTraits<scoped_refptr<net::UploadData> > { | |
| 76 typedef scoped_refptr<net::UploadData> param_type; | |
| 77 static void Write(Message* m, const param_type& p); | |
| 78 static bool Read(const Message* m, void** iter, param_type* r); | |
| 79 static void Log(const param_type& p, std::string* l); | |
| 80 }; | |
| 81 | |
| 82 template<> | |
| 83 struct CONTENT_EXPORT ParamTraits<net::HostPortPair> { | |
| 84 typedef net::HostPortPair param_type; | |
| 85 static void Write(Message* m, const param_type& p); | |
| 86 static bool Read(const Message* m, void** iter, param_type* r); | |
| 87 static void Log(const param_type& p, std::string* l); | |
| 88 }; | |
| 89 | |
| 90 template <> | |
| 91 struct ParamTraits<scoped_refptr<net::HttpResponseHeaders> > { | |
| 92 typedef scoped_refptr<net::HttpResponseHeaders> param_type; | |
| 93 static void Write(Message* m, const param_type& p); | |
| 94 static bool Read(const Message* m, void** iter, param_type* r); | |
| 95 static void Log(const param_type& p, std::string* l); | |
| 96 }; | |
| 97 | |
| 98 template <> | |
| 99 struct ParamTraits<net::IPEndPoint> { | |
| 100 typedef net::IPEndPoint param_type; | |
| 101 static void Write(Message* m, const param_type& p); | |
| 102 static bool Read(const Message* m, void** iter, param_type* p); | |
| 103 static void Log(const param_type& p, std::string* l); | |
| 104 }; | |
| 105 | |
| 106 template <> | |
| 107 struct ParamTraits<base::PlatformFileInfo> { | |
| 108 typedef base::PlatformFileInfo param_type; | |
| 109 static void Write(Message* m, const param_type& p); | |
| 110 static bool Read(const Message* m, void** iter, param_type* r); | |
| 111 static void Log(const param_type& p, std::string* l); | |
| 112 }; | |
| 113 | |
| 114 template <> | |
| 115 struct CONTENT_EXPORT ParamTraits<gfx::Point> { | |
| 116 typedef gfx::Point param_type; | |
| 117 static void Write(Message* m, const param_type& p); | |
| 118 static bool Read(const Message* m, void** iter, param_type* r); | |
| 119 static void Log(const param_type& p, std::string* l); | |
| 120 }; | |
| 121 | |
| 122 template <> | |
| 123 struct CONTENT_EXPORT ParamTraits<gfx::Size> { | |
| 124 typedef gfx::Size param_type; | |
| 125 static void Write(Message* m, const param_type& p); | |
| 126 static bool Read(const Message* m, void** iter, param_type* r); | |
| 127 static void Log(const param_type& p, std::string* l); | |
| 128 }; | |
| 129 | |
| 130 template <> | |
| 131 struct CONTENT_EXPORT ParamTraits<gfx::Rect> { | |
| 132 typedef gfx::Rect param_type; | |
| 133 static void Write(Message* m, const param_type& p); | |
| 134 static bool Read(const Message* m, void** iter, param_type* r); | |
| 135 static void Log(const param_type& p, std::string* l); | |
| 136 }; | |
| 137 | |
| 138 template <> | |
| 139 struct ParamTraits<gfx::NativeWindow> { | |
| 140 typedef gfx::NativeWindow param_type; | |
| 141 static void Write(Message* m, const param_type& p) { | |
| 142 #if defined(OS_WIN) | |
| 143 // HWNDs are always 32 bits on Windows, even on 64 bit systems. | |
| 144 m->WriteUInt32(reinterpret_cast<uint32>(p)); | |
| 145 #else | |
| 146 m->WriteData(reinterpret_cast<const char*>(&p), sizeof(p)); | |
| 147 #endif | |
| 148 } | |
| 149 static bool Read(const Message* m, void** iter, param_type* r) { | |
| 150 #if defined(OS_WIN) | |
| 151 return m->ReadUInt32(iter, reinterpret_cast<uint32*>(r)); | |
| 152 #else | |
| 153 const char *data; | |
| 154 int data_size = 0; | |
| 155 bool result = m->ReadData(iter, &data, &data_size); | |
| 156 if (result && data_size == sizeof(gfx::NativeWindow)) { | |
| 157 memcpy(r, data, sizeof(gfx::NativeWindow)); | |
| 158 } else { | |
| 159 result = false; | |
| 160 NOTREACHED(); | |
| 161 } | |
| 162 return result; | |
| 163 #endif | |
| 164 } | |
| 165 static void Log(const param_type& p, std::string* l) { | |
| 166 l->append("<gfx::NativeWindow>"); | |
| 167 } | |
| 168 }; | |
| 169 | |
| 170 template <> | |
| 171 struct CONTENT_EXPORT ParamTraits<ui::Range> { | |
| 172 typedef ui::Range param_type; | |
| 173 static void Write(Message* m, const param_type& p); | |
| 174 static bool Read(const Message* m, void** iter, param_type* r); | |
| 175 static void Log(const param_type& p, std::string* l); | |
| 176 }; | |
| 177 | |
| 178 #if defined(OS_WIN) | |
| 179 template<> | |
| 180 struct ParamTraits<TransportDIB::Id> { | |
| 181 typedef TransportDIB::Id param_type; | |
| 182 static void Write(Message* m, const param_type& p) { | |
| 183 WriteParam(m, p.handle); | |
| 184 WriteParam(m, p.sequence_num); | |
| 185 } | |
| 186 static bool Read(const Message* m, void** iter, param_type* r) { | |
| 187 return (ReadParam(m, iter, &r->handle) && | |
| 188 ReadParam(m, iter, &r->sequence_num)); | |
| 189 } | |
| 190 static void Log(const param_type& p, std::string* l) { | |
| 191 l->append("TransportDIB("); | |
| 192 LogParam(p.handle, l); | |
| 193 l->append(", "); | |
| 194 LogParam(p.sequence_num, l); | |
| 195 l->append(")"); | |
| 196 } | |
| 197 }; | |
| 198 #endif | |
| 199 | |
| 200 #if defined(USE_X11) | |
| 201 template<> | |
| 202 struct ParamTraits<TransportDIB::Id> { | |
| 203 typedef TransportDIB::Id param_type; | |
| 204 static void Write(Message* m, const param_type& p) { | |
| 205 WriteParam(m, p.shmkey); | |
| 206 } | |
| 207 static bool Read(const Message* m, void** iter, param_type* r) { | |
| 208 return ReadParam(m, iter, &r->shmkey); | |
| 209 } | |
| 210 static void Log(const param_type& p, std::string* l) { | |
| 211 l->append("TransportDIB("); | |
| 212 LogParam(p.shmkey, l); | |
| 213 l->append(")"); | |
| 214 } | |
| 215 }; | |
| 216 #endif | |
| 217 | |
| 218 template <> | |
| 219 struct CONTENT_EXPORT ParamTraits<SkBitmap> { | |
| 220 typedef SkBitmap param_type; | |
| 221 static void Write(Message* m, const param_type& p); | |
| 222 | |
| 223 // Note: This function expects parameter |r| to be of type &SkBitmap since | |
| 224 // r->SetConfig() and r->SetPixels() are called. | |
| 225 static bool Read(const Message* m, void** iter, param_type* r); | |
| 226 | |
| 227 static void Log(const param_type& p, std::string* l); | |
| 228 }; | |
| 229 | |
| 230 template <> | |
| 231 struct SimilarTypeTraits<base::PlatformFileError> { | |
| 232 typedef int Type; | |
| 233 }; | |
| 234 | |
| 235 template <> | |
| 236 struct SimilarTypeTraits<DOMStorageType> { | |
| 237 typedef int Type; | |
| 238 }; | |
| 239 | |
| 240 template <> | |
| 241 struct SimilarTypeTraits<content::PageTransition> { | |
| 242 typedef int Type; | |
| 243 }; | |
| 244 | |
| 245 } // namespace IPC | |
| 246 | |
| 247 #endif // CONTENT_COMMON_COMMON_PARAM_TRAITS_H_ | |
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