1 /* 2 * Copyright (c) 2025 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef FOUNDATION_ACE_ADAPTER_OHOS_CPP_HIGH_CONTRAST_OBSERVER_H 17 #define FOUNDATION_ACE_ADAPTER_OHOS_CPP_HIGH_CONTRAST_OBSERVER_H 18 19 #include <memory> 20 #include "accessibility_config.h" 21 #include "adapter/ohos/entrance/ace_container.h" 22 23 namespace OHOS::Ace::Platform { 24 class HighContrastObserver : public AccessibilityConfig::AccessibilityConfigObserver { 25 public: HighContrastObserver(WeakPtr<AceContainer> aceContainer)26 HighContrastObserver(WeakPtr<AceContainer> aceContainer) : aceContainer_(aceContainer) {} 27 28 void OnConfigChanged(const AccessibilityConfig::CONFIG_ID id, const AccessibilityConfig::ConfigValue& value); 29 30 private: 31 WeakPtr<AceContainer> aceContainer_; 32 bool first_ = true; 33 }; 34 } // namespace OHOS::Ace::Platform 35 #endif // FOUNDATION_ACE_ADAPTER_OHOS_CPP_HIGH_CONTRAST_OBSERVER_H