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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_UI_WEBUI_ASH_SYS_INTERNALS_SYS_INTERNALS_MESSAGE_HANDLER_H_
#define CHROME_BROWSER_UI_WEBUI_ASH_SYS_INTERNALS_SYS_INTERNALS_MESSAGE_HANDLER_H_
#include <stdint.h>
#include "base/memory/weak_ptr.h"
#include "base/values.h"
#include "content/public/browser/web_ui_message_handler.h"
namespace ash {
// The handler class for SysInternals page operations.
class SysInternalsMessageHandler : public content::WebUIMessageHandler {
public:
SysInternalsMessageHandler();
SysInternalsMessageHandler(const SysInternalsMessageHandler&) = delete;
SysInternalsMessageHandler& operator=(const SysInternalsMessageHandler&) =
delete;
~SysInternalsMessageHandler() override;
// content::WebUIMessageHandler methods:
void RegisterMessages() override;
private:
// Handle the Javascript message |getSysInfo|. The message is sent to get
// system information.
void HandleGetSysInfo(const base::Value::List& args);
// The callback function to handle the returning data.
//
// |result|: {
// const: {
// counterMax (Integer: The maximum value of all counters)
// }
// cpus (Array): [ CpuInfo... ]
// memory: {
// available (bytes)
// total (bytes)
// swapFree (bytes)
// swapTotal (bytes)
// pswpin (counter)
// pswpout (counter)
// zram: {
// origDataSize (bytes)
// comprDataSize (bytes)
// memUsedTotal (bytes)
// numReads (counter)
// numWrites (counter)
// }
// }
//
// |CpuInfo|: {
// kernel (counter)
// user (counter)
// idle (counter)
// total (counter)
// }
//
void ReplySysInfo(base::Value callback_id, base::Value::Dict result);
base::WeakPtrFactory<SysInternalsMessageHandler> weak_ptr_factory_{this};
};
} // namespace ash
#endif // CHROME_BROWSER_UI_WEBUI_ASH_SYS_INTERNALS_SYS_INTERNALS_MESSAGE_HANDLER_H_
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