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// Copyright (c) 2013 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.
#ifndef CHROME_BROWSER_DEVTOOLS_DEVTOOLS_PROTOCOL_H_
#define CHROME_BROWSER_DEVTOOLS_DEVTOOLS_PROTOCOL_H_
#include <string>
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/values.h"
// Utility class for processing DevTools remote debugging messages.
// This is a stripped down clone of content::DevTools which is not accessible
// from chrome component (see content/browser/devtools/devtools_protocol.*).
class DevToolsProtocol {
public:
class Response;
class Message {
public:
virtual ~Message();
std::string method() { return method_; }
base::DictionaryValue* params() { return params_.get(); }
protected:
Message(const std::string& method, base::DictionaryValue* params);
std::string method_;
scoped_ptr<base::DictionaryValue> params_;
private:
DISALLOW_COPY_AND_ASSIGN(Message);
};
class Command : public Message {
public:
Command(int id, const std::string& method, base::DictionaryValue* params);
virtual ~Command();
int id() { return id_; }
std::string Serialize();
// Creates success response. Takes ownership of |result|.
scoped_ptr<Response> SuccessResponse(base::DictionaryValue* result);
// Creates error response.
scoped_ptr<Response> InvalidParamResponse(const std::string& param);
private:
int id_;
DISALLOW_COPY_AND_ASSIGN(Command);
};
class Response {
public:
virtual ~Response();
int id() { return id_; }
int error_code() { return error_code_; }
// Result ownership is passed to the caller.
base::DictionaryValue* Serialize();
private:
friend class DevToolsProtocol;
Response(int id, int error_code, const std::string error_message);
Response(int id, base::DictionaryValue* result);
int id_;
int error_code_;
std::string error_message_;
scoped_ptr<base::DictionaryValue> result_;
DISALLOW_COPY_AND_ASSIGN(Response);
};
class Notification : public Message {
public:
virtual ~Notification();
private:
friend class DevToolsProtocol;
// Takes ownership of |params|.
Notification(const std::string& method,
base::DictionaryValue* params);
DISALLOW_COPY_AND_ASSIGN(Notification);
};
// Result ownership is passed to the caller.
static Command* ParseCommand(base::DictionaryValue* command_dict);
// Result ownership is passed to the caller.
static Notification* ParseNotification(const std::string& json);
// Result ownership is passed to the caller.
static Response* ParseResponse(const std::string& json);
private:
DevToolsProtocol() {}
~DevToolsProtocol() {}
};
#endif // CHROME_BROWSER_DEVTOOLS_DEVTOOLS_PROTOCOL_H_
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