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multimedia_image_standard/plugins/manager/include/plugin_class_base.h
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magekkkk 28d0ffe2c7 upload image framework basic code
Signed-off-by: magekkkk <lixin113@huawei.com>
2021-09-14 07:07:27 +00:00

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/*
* Copyright (C) 2021 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef PLUGIN_CLASS_BASE_H
#define PLUGIN_CLASS_BASE_H
#include <string>
namespace OHOS {
namespace MultimediaPlugin {
class AbsImplClassKey;
class PluginClassBase {
public:
PluginClassBase() = default;
virtual ~PluginClassBase();
static constexpr uint32_t MAGIC_CODE = 0x1122CCFF;
private:
friend class ImplClass;
// the plugin manager guarantees that the key object continue to be valid until the plugin object is destroyed.
// return MAGIC_CODE used to check if the plugin class correctly inherits the PluginClassBase class.
uint32_t SetImplClassKey(AbsImplClassKey &key);
AbsImplClassKey *implClassKey_ = nullptr;
};
} // namespace MultimediaPlugin
} // namespace OHOS
#endif // PLUGIN_CLASS_BASE_H