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// Copyright (c) 2010 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.
// Support utilities for the JSON automation interface used by PyAuto.
#ifndef CHROME_BROWSER_AUTOMATION_AUTOMATION_PROVIDER_JSON_H_
#define CHROME_BROWSER_AUTOMATION_AUTOMATION_PROVIDER_JSON_H_
#pragma once
#include <string>
#include "chrome/browser/automation/automation_provider.h"
class Value;
namespace IPC {
class Message;
}
// Helper to ensure we always send a reply message for JSON automation requests.
class AutomationJSONReply {
public:
// Creates a new reply object for the IPC message |reply_message| for
// |provider|. The caller is expected to call SendSuccess() or SendError()
// before destroying this object.
AutomationJSONReply(AutomationProvider* provider,
IPC::Message* reply_message);
~AutomationJSONReply();
// Send a success reply along with data contained in |value|.
// An empty message will be sent if |value| is NULL.
void SendSuccess(const Value* value);
// Send an error reply along with error message |error_message|.
void SendError(const std::string& error_message);
private:
AutomationProvider* provider_;
IPC::Message* message_;
};
#endif // CHROME_BROWSER_AUTOMATION_AUTOMATION_PROVIDER_JSON_H_
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