1 /* 2 * Copyright (c) 2024 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_SCROLL_BAR_SCROLL_BAR_PAINT_METHOD_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_SCROLL_BAR_SCROLL_BAR_PAINT_METHOD_H 18 19 #include "core/components_ng/pattern/scroll/inner/scroll_bar.h" 20 #include "core/components_ng/render/node_paint_method.h" 21 22 namespace OHOS::Ace::NG { 23 24 class ScrollBarPaintMethod : public NodePaintMethod { DECLARE_ACE_TYPE(ScrollBarPaintMethod,NodePaintMethod)25 DECLARE_ACE_TYPE(ScrollBarPaintMethod, NodePaintMethod) 26 27 public: 28 explicit ScrollBarPaintMethod(bool hasChild) : hasChild_(hasChild) {}; 29 ~ScrollBarPaintMethod() override = default; 30 SetScrollBar(WeakPtr<ScrollBar> && scrollBar)31 void SetScrollBar(WeakPtr<ScrollBar>&& scrollBar) 32 { 33 scrollBar_ = scrollBar; 34 } 35 SetScrollBarOverlayModifier(WeakPtr<ScrollBarOverlayModifier> && scrollBarOverlayModifier)36 void SetScrollBarOverlayModifier(WeakPtr<ScrollBarOverlayModifier>&& scrollBarOverlayModifier) 37 { 38 scrollBarOverlayModifier_ = scrollBarOverlayModifier; 39 } 40 GetOverlayModifier(PaintWrapper * paintWrapper)41 RefPtr<Modifier> GetOverlayModifier(PaintWrapper* paintWrapper) override 42 { 43 return scrollBarOverlayModifier_.Upgrade(); 44 } 45 46 void UpdateOverlayModifier(PaintWrapper* paintWrapper) override; 47 48 private: 49 bool hasChild_ = false; 50 WeakPtr<ScrollBar> scrollBar_; 51 WeakPtr<ScrollBarOverlayModifier> scrollBarOverlayModifier_; 52 }; 53 } // namespace OHOS::Ace::NG 54 55 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_SCROLL_BAR_SCROLL_BAR_PAINT_METHOD_H 56