/* * Copyright (c) 2025 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 OHOS_HDI_DISPLAY_V1_3_IDISPLAY_COMPOSER_INTERFACE_H #define OHOS_HDI_DISPLAY_V1_3_IDISPLAY_COMPOSER_INTERFACE_H #include "v1_2/include/idisplay_composer_interface.h" #include "v1_3/display_composer_type.h" namespace OHOS { namespace HDI { namespace Display { namespace Composer { namespace V1_3 { class IDisplayComposerInterface : public V1_2::IDisplayComposerInterface { public: /** * @brief Obtains all interfaces of IDisplayComposerInterface. * * @return Returns IDisplayComposerInterface* if the operation is successful; * returns an null point otherwise. * @since 6.0 * @version 1.0 */ static IDisplayComposerInterface* Get(bool needSMQ = true); /** * @brief Registers the callback to be invoked when the environment changes. * * @param cb Indicates the instance used to notify the graphics service of an environment change event occurred. * @param data Data used by cb * * @return Returns 0 if the operation is successful; returns an error code defined * in {@link DispErrCode} otherwise. * @since 6.0 * @version 1.0 */ virtual int32_t RegHwcEventCallback(HwcEventCallback cb, void *data) = 0; }; } // V1_3 } // Composer } // Display } // HDI } // OHOS #endif // OHOS_HDI_DISPLAY_V1_3_IDISPLAY_COMPOSER_INTERFACE_H