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 #include "core/components_ng/pattern/scrollable/scrollable_model_ng.h" 17 18 #include "base/memory/referenced.h" 19 #include "base/utils/multi_thread.h" 20 #include "base/utils/utils.h" 21 #include "core/components_ng/pattern/scrollable/scrollable_event_hub.h" 22 #include "core/components_ng/pattern/scrollable/scrollable_pattern.h" 23 24 namespace OHOS::Ace::NG { SetBackToTopMultiThread(FrameNode * frameNode,bool backToTop)25void ScrollableModelNG::SetBackToTopMultiThread(FrameNode* frameNode, bool backToTop) 26 { 27 CHECK_NULL_VOID(frameNode); 28 auto pattern = frameNode->GetPattern<ScrollablePattern>(); 29 CHECK_NULL_VOID(pattern); 30 frameNode->PostAfterAttachMainTreeTask([weak = AceType::WeakClaim(AceType::RawPtr(pattern)), backToTop]() { 31 auto pattern = weak.Upgrade(); 32 CHECK_NULL_VOID(pattern); 33 pattern->SetBackToTop(backToTop); 34 }); 35 36 pattern->UseDefaultBackToTop(false); 37 } 38 } // namespace OHOS::Ace::NG 39