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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.
#include "chrome/browser/ui/webui/ash/multidevice_internals/multidevice_internals_logs_handler.h"
#include "base/functional/bind.h"
#include "base/i18n/time_formatting.h"
#include "base/values.h"
#include "chromeos/ash/components/multidevice/logging/log_buffer.h"
namespace ash::multidevice {
namespace {
// Keys in the JSON representation of a log message
const char kLogMessageTextKey[] = "text";
const char kLogMessageTimeKey[] = "time";
const char kLogMessageFileKey[] = "file";
const char kLogMessageLineKey[] = "line";
const char kLogMessageSeverityKey[] = "severity";
// Converts |log_message| to a raw dictionary value used as a JSON argument to
// JavaScript functions.
base::Value::Dict LogMessageToDictionary(
const LogBuffer::LogMessage& log_message) {
return base::Value::Dict()
.Set(kLogMessageTextKey, log_message.text)
.Set(kLogMessageTimeKey,
base::TimeFormatTimeOfDayWithMilliseconds(log_message.time))
.Set(kLogMessageFileKey, log_message.file)
.Set(kLogMessageLineKey, log_message.line)
.Set(kLogMessageSeverityKey, log_message.severity);
}
} // namespace
MultideviceLogsHandler::MultideviceLogsHandler() = default;
MultideviceLogsHandler::~MultideviceLogsHandler() = default;
void MultideviceLogsHandler::RegisterMessages() {
web_ui()->RegisterMessageCallback(
"getMultideviceLogMessages",
base::BindRepeating(&MultideviceLogsHandler::HandleGetLogMessages,
base::Unretained(this)));
}
void MultideviceLogsHandler::OnJavascriptAllowed() {
observation_.Observe(LogBuffer::GetInstance());
}
void MultideviceLogsHandler::OnJavascriptDisallowed() {
observation_.Reset();
}
void MultideviceLogsHandler::HandleGetLogMessages(
const base::Value::List& args) {
AllowJavascript();
const base::Value& callback_id = args[0];
base::Value::List list;
for (const auto& log : *LogBuffer::GetInstance()->logs()) {
list.Append(LogMessageToDictionary(log));
}
ResolveJavascriptCallback(callback_id, list);
}
void MultideviceLogsHandler::OnLogBufferCleared() {
FireWebUIListener("multidevice-log-buffer-cleared");
}
void MultideviceLogsHandler::OnLogMessageAdded(
const LogBuffer::LogMessage& log_message) {
FireWebUIListener("multidevice-log-message-added",
LogMessageToDictionary(log_message));
}
} // namespace ash::multidevice
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