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 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, or because the same type is being used in multiple 12 // *_messages.h headers. 13 14 #ifndef CONTENT_COMMON_CONTENT_PARAM_TRAITS_H_ 15 #define CONTENT_COMMON_CONTENT_PARAM_TRAITS_H_ 16 17 #include "content/common/content_param_traits_macros.h" 18 #include "third_party/WebKit/public/web/WebInputEvent.h" 19 #include "webkit/common/cursors/webcursor.h" 20 21 namespace gfx { 22 class Range; 23 } 24 25 namespace net { 26 class IPEndPoint; 27 } 28 29 namespace IPC { 30 31 template <> 32 struct ParamTraits<net::IPEndPoint> { 33 typedef net::IPEndPoint param_type; 34 static void Write(Message* m, const param_type& p); 35 static bool Read(const Message* m, PickleIterator* iter, param_type* p); 36 static void Log(const param_type& p, std::string* l); 37 }; 38 39 template <> 40 struct ParamTraits<gfx::Range> { 41 typedef gfx::Range param_type; 42 static void Write(Message* m, const param_type& p); 43 static bool Read(const Message* m, PickleIterator* iter, param_type* r); 44 static void Log(const param_type& p, std::string* l); 45 }; 46 47 template <> 48 struct ParamTraits<WebCursor> { 49 typedef WebCursor param_type; 50 static void Write(Message* m, const param_type& p) { 51 p.Serialize(m); 52 } 53 static bool Read(const Message* m, PickleIterator* iter, param_type* r) { 54 return r->Deserialize(iter); 55 } 56 static void Log(const param_type& p, std::string* l) { 57 l->append("<WebCursor>"); 58 } 59 }; 60 61 typedef const blink::WebInputEvent* WebInputEventPointer; 62 template <> 63 struct ParamTraits<WebInputEventPointer> { 64 typedef WebInputEventPointer param_type; 65 static void Write(Message* m, const param_type& p); 66 // Note: upon read, the event has the lifetime of the message. 67 static bool Read(const Message* m, PickleIterator* iter, param_type* r); 68 static void Log(const param_type& p, std::string* l); 69 }; 70 71 } // namespace IPC 72 73 #endif // CONTENT_COMMON_CONTENT_PARAM_TRAITS_H_ 74
