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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 WebKit 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 used by the content code, and which need
// manual serialization code. This is usually because they're not structs with
// public members.
#ifndef CONTENT_COMMON_WEBKIT_PARAM_TRAITS_H_
#define CONTENT_COMMON_WEBKIT_PARAM_TRAITS_H_
#pragma once
#include <string>
#include "base/memory/ref_counted.h"
#include "content/common/content_export.h"
#include "ipc/ipc_message_utils.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebInputEvent.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebTextDirection.h"
#include "webkit/blob/blob_data.h"
#include "webkit/glue/npruntime_util.h"
#include "webkit/glue/resource_type.h"
#include "webkit/glue/webcursor.h"
#include "webkit/glue/window_open_disposition.h"
#include "webkit/plugins/webplugininfo.h"
namespace webkit_glue {
struct PasswordForm;
struct ResourceDevToolsInfo;
struct ResourceLoadTimingInfo;
}
// Define the NPVariant_Param struct and its enum here since it needs manual
// serialization code.
enum NPVariant_ParamEnum {
NPVARIANT_PARAM_VOID,
NPVARIANT_PARAM_NULL,
NPVARIANT_PARAM_BOOL,
NPVARIANT_PARAM_INT,
NPVARIANT_PARAM_DOUBLE,
NPVARIANT_PARAM_STRING,
// Used when when the NPObject is running in the caller's process, so we
// create an NPObjectProxy in the other process.
NPVARIANT_PARAM_SENDER_OBJECT_ROUTING_ID,
// Used when the NPObject we're sending is running in the callee's process
// (i.e. we have an NPObjectProxy for it). In that case we want the callee
// to just use the raw pointer.
NPVARIANT_PARAM_RECEIVER_OBJECT_ROUTING_ID,
};
struct NPVariant_Param {
NPVariant_Param();
~NPVariant_Param();
NPVariant_ParamEnum type;
bool bool_value;
int int_value;
double double_value;
std::string string_value;
int npobject_routing_id;
};
struct NPIdentifier_Param {
NPIdentifier_Param();
~NPIdentifier_Param();
NPIdentifier identifier;
};
namespace IPC {
template <>
struct ParamTraits<webkit_glue::ResourceLoadTimingInfo> {
typedef webkit_glue::ResourceLoadTimingInfo 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<scoped_refptr<webkit_glue::ResourceDevToolsInfo> > {
typedef scoped_refptr<webkit_glue::ResourceDevToolsInfo> 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<NPVariant_Param> {
typedef NPVariant_Param 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<NPIdentifier_Param> {
typedef NPIdentifier_Param 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::WebPluginMimeType> {
typedef webkit::WebPluginMimeType 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 CONTENT_EXPORT ParamTraits<webkit::WebPluginInfo> {
typedef webkit::WebPluginInfo 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<WebCursor> {
typedef WebCursor param_type;
static void Write(Message* m, const param_type& p) {
p.Serialize(m);
}
static bool Read(const Message* m, void** iter, param_type* r) {
return r->Deserialize(m, iter);
}
static void Log(const param_type& p, std::string* l) {
l->append("<WebCursor>");
}
};
template <>
struct ParamTraits<WebKit::WebInputEvent::Type> {
typedef WebKit::WebInputEvent::Type param_type;
static void Write(Message* m, const param_type& p) {
m->WriteInt(p);
}
static bool Read(const Message* m, void** iter, param_type* p) {
int type;
if (!m->ReadInt(iter, &type))
return false;
*p = static_cast<WebKit::WebInputEvent::Type>(type);
return true;
}
static void Log(const param_type& p, std::string* l) {
const char* type;
switch (p) {
case WebKit::WebInputEvent::MouseDown:
type = "MouseDown";
break;
case WebKit::WebInputEvent::MouseUp:
type = "MouseUp";
break;
case WebKit::WebInputEvent::MouseMove:
type = "MouseMove";
break;
case WebKit::WebInputEvent::MouseLeave:
type = "MouseLeave";
break;
case WebKit::WebInputEvent::MouseEnter:
type = "MouseEnter";
break;
case WebKit::WebInputEvent::MouseWheel:
type = "MouseWheel";
break;
case WebKit::WebInputEvent::RawKeyDown:
type = "RawKeyDown";
break;
case WebKit::WebInputEvent::KeyDown:
type = "KeyDown";
break;
case WebKit::WebInputEvent::KeyUp:
type = "KeyUp";
break;
default:
type = "None";
break;
}
LogParam(std::string(type), l);
}
};
typedef const WebKit::WebInputEvent* WebInputEventPointer;
template <>
struct ParamTraits<WebInputEventPointer> {
typedef WebInputEventPointer param_type;
static void Write(Message* m, const param_type& p) {
m->WriteData(reinterpret_cast<const char*>(p), p->size);
}
// Note: upon read, the event has the lifetime of the message.
static bool Read(const Message* m, void** iter, param_type* r) {
const char* data;
int data_length;
if (!m->ReadData(iter, &data, &data_length)) {
NOTREACHED();
return false;
}
if (data_length < static_cast<int>(sizeof(WebKit::WebInputEvent))) {
NOTREACHED();
return false;
}
param_type event = reinterpret_cast<param_type>(data);
// Check that the data size matches that of the event (we check the latter
// in the delegate).
if (data_length != static_cast<int>(event->size)) {
NOTREACHED();
return false;
}
*r = event;
return true;
}
static void Log(const param_type& p, std::string* l) {
l->append("(");
LogParam(p->size, l);
l->append(", ");
LogParam(p->type, l);
l->append(", ");
LogParam(p->timeStampSeconds, l);
l->append(")");
}
};
template <>
struct SimilarTypeTraits<WebKit::WebTextDirection> {
typedef int Type;
};
template <>
struct SimilarTypeTraits<WindowOpenDisposition> {
typedef int Type;
};
template <>
struct CONTENT_EXPORT 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);
};
} // namespace IPC
#endif // CONTENT_COMMON_WEBKIT_PARAM_TRAITS_H_
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