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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/cross_device/logging/log_buffer.h"
#include "base/no_destructor.h"
namespace {
// The maximum number of logs that can be stored in the buffer.
constexpr size_t kMaxBufferSize = 10000;
} // namespace
CrossDeviceLogBuffer::LogMessage::LogMessage(const std::string& text,
Feature feature,
base::Time time,
const std::string& file,
int line,
logging::LogSeverity severity)
: text(text),
feature(feature),
time(time),
file(file),
line(line),
severity(severity) {}
CrossDeviceLogBuffer::LogMessage::LogMessage(const LogMessage& message) =
default;
CrossDeviceLogBuffer::CrossDeviceLogBuffer() = default;
CrossDeviceLogBuffer::~CrossDeviceLogBuffer() = default;
CrossDeviceLogBuffer* CrossDeviceLogBuffer::GetInstance() {
static base::NoDestructor<CrossDeviceLogBuffer> log_buffer;
return log_buffer.get();
}
void CrossDeviceLogBuffer::AddObserver(Observer* observer) {
observers_.AddObserver(observer);
}
void CrossDeviceLogBuffer::RemoveObserver(Observer* observer) {
observers_.RemoveObserver(observer);
}
void CrossDeviceLogBuffer::AddLogMessage(const LogMessage& log_message) {
log_messages_.push_back(log_message);
if (log_messages_.size() > MaxBufferSize()) {
log_messages_.pop_front();
}
for (auto& observer : observers_) {
observer.OnLogMessageAdded(log_message);
}
}
void CrossDeviceLogBuffer::Clear() {
log_messages_.clear();
for (auto& observer : observers_) {
observer.OnCrossDeviceLogBufferCleared();
}
}
size_t CrossDeviceLogBuffer::MaxBufferSize() const {
return kMaxBufferSize;
}
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