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