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// Copyright 2020 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_NEARBY_INTERNALS_NEARBY_INTERNALS_LOGS_HANDLER_H_
#define CHROME_BROWSER_UI_WEBUI_NEARBY_INTERNALS_NEARBY_INTERNALS_LOGS_HANDLER_H_
#include "base/memory/weak_ptr.h"
#include "base/scoped_observation.h"
#include "base/values.h"
#include "components/cross_device/logging/log_buffer.h"
#include "components/cross_device/logging/logging.h"
#include "content/public/browser/web_ui_message_handler.h"
// WebUIMessageHandler for the NS_LOG Macro to pass logging messages to the
// chrome://nearby-internals logging tab.
class NearbyInternalsLogsHandler : public content::WebUIMessageHandler,
public CrossDeviceLogBuffer::Observer {
public:
NearbyInternalsLogsHandler();
NearbyInternalsLogsHandler(const NearbyInternalsLogsHandler&) = delete;
NearbyInternalsLogsHandler& operator=(const NearbyInternalsLogsHandler&) =
delete;
~NearbyInternalsLogsHandler() override;
// content::WebUIMessageHandler
void RegisterMessages() override;
void OnJavascriptAllowed() override;
void OnJavascriptDisallowed() override;
private:
int FeatureEnumToInt(Feature feature);
// CrossDeviceLogBuffer::Observer
void OnLogMessageAdded(
const CrossDeviceLogBuffer::LogMessage& log_message) override;
void OnCrossDeviceLogBufferCleared() override;
// Message handler callback that returns the Log Buffer in dictionary form.
void HandleGetLogMessages(const base::Value::List& args);
// Message handler callback that clears the Log Buffer.
void ClearCrossDeviceLogBuffer(const base::Value::List& args);
base::ScopedObservation<CrossDeviceLogBuffer, CrossDeviceLogBuffer::Observer>
observation_{this};
base::WeakPtrFactory<NearbyInternalsLogsHandler> weak_ptr_factory_{this};
};
#endif // CHROME_BROWSER_UI_WEBUI_NEARBY_INTERNALS_NEARBY_INTERNALS_LOGS_HANDLER_H_
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