1 /* 2 * Copyright (c) 2022 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_NAVIGATION_BAR_ITEM_LAYOUT_ALGORITHM_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_NAVIGATION_BAR_ITEM_LAYOUT_ALGORITHM_H 18 19 #include <cstdint> 20 21 #include "base/memory/referenced.h" 22 #include "core/components_ng/layout/layout_algorithm.h" 23 #include "core/components_ng/layout/layout_wrapper.h" 24 #include "core/components_ng/pattern/navigation/bar_item_node.h" 25 26 namespace OHOS::Ace::NG { 27 28 class ACE_EXPORT BarItemLayoutAlgorithm : public LayoutAlgorithm { 29 DECLARE_ACE_TYPE(BarItemLayoutAlgorithm, LayoutAlgorithm); 30 31 public: 32 BarItemLayoutAlgorithm() = default; 33 ~BarItemLayoutAlgorithm() override = default; 34 void Measure(LayoutWrapper* layoutWrapper) override; 35 void Layout(LayoutWrapper* layoutWrapper) override; 36 37 private: 38 void MeasureIcon(LayoutWrapper* layoutWrapper, const RefPtr<BarItemNode>& hostNode, 39 const RefPtr<LayoutProperty>& barItemLayoutProperty); 40 41 void MeasureText(LayoutWrapper* layoutWrapper, const RefPtr<BarItemNode>& hostNode, 42 const RefPtr<LayoutProperty>& barItemLayoutProperty); 43 44 void MeasureToolbarItemText(LayoutWrapper* layoutWrapper, const RefPtr<BarItemNode>& hostNode, 45 const RefPtr<LayoutProperty>& barItemLayoutProperty); 46 47 float LayoutIcon(LayoutWrapper* layoutWrapper, const RefPtr<BarItemNode>& hostNode, 48 const RefPtr<LayoutProperty>& barItemLayoutProperty, float barItemHeight); 49 50 void LayoutText(LayoutWrapper* layoutWrapper, const RefPtr<BarItemNode>& hostNode, 51 const RefPtr<LayoutProperty>& barItemLayoutProperty, float iconOffsetY); 52 53 Dimension iconSize_; 54 Dimension menuHeight_; 55 }; 56 57 } // namespace OHOS::Ace::NG 58 59 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_NAVIGATION_BAR_ITEM_LAYOUT_ALGORITHM_H 60