1c29fa5a6Sopenharmony_ci/*
2c29fa5a6Sopenharmony_ci * Copyright (c) 2022 Huawei Device Co., Ltd.
3c29fa5a6Sopenharmony_ci * Licensed under the Apache License, Version 2.0 (the "License");
4c29fa5a6Sopenharmony_ci * you may not use this file except in compliance with the License.
5c29fa5a6Sopenharmony_ci * You may obtain a copy of the License at
6c29fa5a6Sopenharmony_ci *
7c29fa5a6Sopenharmony_ci * http://www.apache.org/licenses/LICENSE-2.0
8c29fa5a6Sopenharmony_ci *
9c29fa5a6Sopenharmony_ci * Unless required by applicable law or agreed to in writing, software
10c29fa5a6Sopenharmony_ci * distributed under the License is distributed on an "AS IS" BASIS,
11c29fa5a6Sopenharmony_ci * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12c29fa5a6Sopenharmony_ci * See the License for the specific language governing permissions and
13c29fa5a6Sopenharmony_ci * limitations under the License.
14c29fa5a6Sopenharmony_ci */
15c29fa5a6Sopenharmony_ci
16c29fa5a6Sopenharmony_ci#ifndef CIRCLE_STREAM_BUFFER_H
17c29fa5a6Sopenharmony_ci#define CIRCLE_STREAM_BUFFER_H
18c29fa5a6Sopenharmony_ci
19c29fa5a6Sopenharmony_ci#include "stream_buffer.h"
20c29fa5a6Sopenharmony_ci
21c29fa5a6Sopenharmony_ci#undef MMI_LOG_TAG
22c29fa5a6Sopenharmony_ci#define MMI_LOG_TAG "CircleStreamBuffer"
23c29fa5a6Sopenharmony_ci
24c29fa5a6Sopenharmony_cinamespace OHOS {
25c29fa5a6Sopenharmony_cinamespace MMI {
26c29fa5a6Sopenharmony_ciclass CircleStreamBuffer : public StreamBuffer {
27c29fa5a6Sopenharmony_cipublic:
28c29fa5a6Sopenharmony_ci    CircleStreamBuffer() = default;
29c29fa5a6Sopenharmony_ci    virtual ~CircleStreamBuffer() = default;
30c29fa5a6Sopenharmony_ci    DISALLOW_MOVE(CircleStreamBuffer);
31c29fa5a6Sopenharmony_ci
32c29fa5a6Sopenharmony_ci    bool CheckWrite(size_t size);
33c29fa5a6Sopenharmony_ci    virtual bool Write(const char *buf, size_t size) override;
34c29fa5a6Sopenharmony_ci
35c29fa5a6Sopenharmony_ciprotected:
36c29fa5a6Sopenharmony_ci    void CopyDataToBegin();
37c29fa5a6Sopenharmony_ci};
38c29fa5a6Sopenharmony_ci} // namespace MMI
39c29fa5a6Sopenharmony_ci} // namespace OHOS
40c29fa5a6Sopenharmony_ci#endif // CIRCLE_STREAM_BUFFER_H