1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
// 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_ASH_MULTIDEVICE_INTERNALS_MULTIDEVICE_INTERNALS_LOGS_HANDLER_H_
#define CHROME_BROWSER_UI_WEBUI_ASH_MULTIDEVICE_INTERNALS_MULTIDEVICE_INTERNALS_LOGS_HANDLER_H_
#include "base/scoped_observation.h"
#include "base/values.h"
#include "chromeos/ash/components/multidevice/logging/log_buffer.h"
#include "content/public/browser/web_ui_message_handler.h"
namespace ash::multidevice {
// WebUIMessageHandler for the PA_LOG Macro to pass logging messages to the
// chrome://multidevice-internals logging tab.
class MultideviceLogsHandler : public content::WebUIMessageHandler,
public LogBuffer::Observer {
public:
MultideviceLogsHandler();
MultideviceLogsHandler(const MultideviceLogsHandler&) = delete;
MultideviceLogsHandler& operator=(const MultideviceLogsHandler&) = delete;
~MultideviceLogsHandler() override;
// content::WebUIMessageHandler:
void RegisterMessages() override;
void OnJavascriptAllowed() override;
void OnJavascriptDisallowed() override;
// LogBuffer::Observer:
void OnLogMessageAdded(const LogBuffer::LogMessage& log_message) override;
void OnLogBufferCleared() override;
private:
// 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 ClearLogBuffer(const base::Value::List& args);
base::ScopedObservation<LogBuffer, LogBuffer::Observer> observation_{this};
};
} // namespace ash::multidevice
#endif // CHROME_BROWSER_UI_WEBUI_ASH_MULTIDEVICE_INTERNALS_MULTIDEVICE_INTERNALS_LOGS_HANDLER_H_
|
