1 /* 2 * Copyright (c) 2023 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_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_WEB_SCROLL_UPDATE_LISTENER_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_WEB_SCROLL_UPDATE_LISTENER_H 18 19 #include "core/components_ng/pattern/pattern.h" 20 #include "core/components_ng/pattern/web/iscroll_update_callback.h" 21 22 namespace OHOS::Ace::NG { 23 class ScrollUpdateListener : public IScrollUpdateCallback { 24 public: 25 ScrollUpdateListener() = default; 26 ~ScrollUpdateListener() override = default; 27 void OnScrollUpdate(const SizeF& frameSize) override; SetPatternToListener(WeakPtr<NG::Pattern> pattern)28 void SetPatternToListener(WeakPtr<NG::Pattern> pattern) 29 { 30 pattern_ = pattern; 31 } 32 33 private: 34 WeakPtr<NG::Pattern> pattern_; 35 }; 36 } // namespace OHOS::Ace::NG 37 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_WEB_SCROLL_UPDATE_LISTENER_H