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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// This file is used to define IPC::ParamTraits<> specializations for a number
// of types so that they can be serialized over IPC. IPC::ParamTraits<>
// specializations for basic types (like int and std::string) and types in the
// 'base' project can be found in ipc/ipc_message_utils.h. This file contains
// specializations for types that are shared by more than one child process.
#ifndef CHROME_COMMON_COMMON_PARAM_TRAITS_H_
#define CHROME_COMMON_COMMON_PARAM_TRAITS_H_
#pragma once
#include "base/file_util.h"
#include "base/ref_counted.h"
#include "chrome/common/content_settings.h"
#include "ipc/ipc_message_utils.h"
#include "printing/native_metafile.h"
// !!! WARNING: DO NOT ADD NEW WEBKIT DEPENDENCIES !!!
//
// That means don't add #includes to any file in 'webkit/' or
// 'third_party/WebKit/'. Chrome Frame and NACL build parts of base/ and
// chrome/common/ for a mini-library that doesn't depend on webkit.
//
// TODO(erg): The following headers are historical and only work because
// their definitions are inlined, which also needs to be fixed.
#include "webkit/glue/window_open_disposition.h"
// Forward declarations.
class SkBitmap;
class DictionaryValue;
class ListValue;
struct ThumbnailScore;
struct WebApplicationInfo;
namespace printing {
struct PageRange;
struct PrinterCapsAndDefaults;
} // namespace printing
namespace webkit_glue {
struct PasswordForm;
} // namespace webkit_glue
namespace IPC {
template <>
struct ParamTraits<SkBitmap> {
typedef SkBitmap param_type;
static void Write(Message* m, const param_type& p);
// Note: This function expects parameter |r| to be of type &SkBitmap since
// r->SetConfig() and r->SetPixels() are called.
static bool Read(const Message* m, void** iter, param_type* r);
static void Log(const param_type& p, std::string* l);
};
template <>
struct ParamTraits<ContentSetting> {
typedef ContentSetting param_type;
static void Write(Message* m, const param_type& p);
static bool Read(const Message* m, void** iter, param_type* r);
static void Log(const param_type& p, std::string* l);
};
template <>
struct ParamTraits<ContentSettingsType> {
typedef ContentSettingsType param_type;
static void Write(Message* m, const param_type& p) {
WriteParam(m, static_cast<int>(p));
}
static bool Read(const Message* m, void** iter, param_type* r) {
int value;
if (!ReadParam(m, iter, &value))
return false;
if (value < 0 || value >= static_cast<int>(CONTENT_SETTINGS_NUM_TYPES))
return false;
*r = static_cast<param_type>(value);
return true;
}
static void Log(const param_type& p, std::string* l) {
LogParam(static_cast<int>(p), l);
}
};
template <>
struct ParamTraits<ContentSettings> {
typedef ContentSettings param_type;
static void Write(Message* m, const param_type& p);
static bool Read(const Message* m, void** iter, param_type* r);
static void Log(const param_type& p, std::string* l);
};
template <>
struct ParamTraits<WindowOpenDisposition> {
typedef WindowOpenDisposition param_type;
static void Write(Message* m, const param_type& p) {
WriteParam(m, static_cast<int>(p));
}
static bool Read(const Message* m, void** iter, param_type* r) {
int value;
if (!ReadParam(m, iter, &value))
return false;
*r = static_cast<param_type>(value);
return true;
}
static void Log(const param_type& p, std::string* l) {
LogParam(static_cast<int>(p), l);
}
};
template <>
struct ParamTraits<WebApplicationInfo> {
typedef WebApplicationInfo param_type;
static void Write(Message* m, const param_type& p);
static bool Read(const Message* m, void** iter, param_type* r);
static void Log(const param_type& p, std::string* l);
};
template<>
struct ParamTraits<ThumbnailScore> {
typedef ThumbnailScore param_type;
static void Write(Message* m, const param_type& p);
static bool Read(const Message* m, void** iter, param_type* r);
static void Log(const param_type& p, std::string* l);
};
template <>
struct ParamTraits<webkit_glue::PasswordForm> {
typedef webkit_glue::PasswordForm param_type;
static void Write(Message* m, const param_type& p);
static bool Read(const Message* m, void** iter, param_type* p);
static void Log(const param_type& p, std::string* l);
};
template <>
struct ParamTraits<printing::PageRange> {
typedef printing::PageRange param_type;
static void Write(Message* m, const param_type& p);
static bool Read(const Message* m, void** iter, param_type* r);
static void Log(const param_type& p, std::string* l);
};
template <>
struct ParamTraits<printing::NativeMetafile> {
typedef printing::NativeMetafile param_type;
static void Write(Message* m, const param_type& p);
static bool Read(const Message* m, void** iter, param_type* r);
static void Log(const param_type& p, std::string* l);
};
template <>
struct ParamTraits<printing::PrinterCapsAndDefaults> {
typedef printing::PrinterCapsAndDefaults param_type;
static void Write(Message* m, const param_type& p);
static bool Read(const Message* m, void** iter, param_type* r);
static void Log(const param_type& p, std::string* l);
};
} // namespace IPC
#endif // CHROME_COMMON_COMMON_PARAM_TRAITS_H_
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