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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/quick_pair/common/log_buffer.h"
#include "base/no_destructor.h"
namespace ash {
namespace quick_pair {
namespace {
// The maximum number of logs that can be stored in the buffer.
const size_t kMaxBufferSize = 1000;
} // namespace
LogBuffer::LogMessage::LogMessage(const std::string& text,
const base::Time& time,
const std::string& file,
const int line,
logging::LogSeverity severity)
: text(text), time(time), file(file), line(line), severity(severity) {}
// static
LogBuffer* LogBuffer::GetInstance() {
static base::NoDestructor<LogBuffer> log_buffer;
return log_buffer.get();
}
LogBuffer::LogBuffer() {}
LogBuffer::~LogBuffer() {}
void LogBuffer::AddObserver(Observer* observer) {
observers_.AddObserver(observer);
}
void LogBuffer::RemoveObserver(Observer* observer) {
observers_.RemoveObserver(observer);
}
void LogBuffer::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 LogBuffer::Clear() {
log_messages_.clear();
for (auto& observer : observers_)
observer.OnLogBufferCleared();
}
size_t LogBuffer::MaxBufferSize() const {
return kMaxBufferSize;
}
} // namespace quick_pair
} // namespace ash
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