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_PATTERNS_STACK_STACK_PATTERN_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERNS_STACK_STACK_PATTERN_H 18 19 #include "core/components_ng/pattern/pattern.h" 20 #include "core/components_ng/pattern/stack/stack_layout_property.h" 21 #include "core/components_ng/pattern/stack/stack_layout_algorithm.h" 22 23 namespace OHOS::Ace::NG { 24 25 class ACE_EXPORT StackPattern : public Pattern { 26 DECLARE_ACE_TYPE(StackPattern, Pattern); 27 28 public: 29 StackPattern() = default; 30 ~StackPattern() override = default; 31 CreateLayoutAlgorithm()32 RefPtr<LayoutAlgorithm> CreateLayoutAlgorithm() override 33 { 34 return MakeRefPtr<StackLayoutAlgorithm>(); 35 } 36 CreateLayoutProperty()37 RefPtr<LayoutProperty> CreateLayoutProperty() override 38 { 39 return MakeRefPtr<StackLayoutProperty>(); 40 } 41 IsAtomicNode()42 bool IsAtomicNode() const override 43 { 44 return false; 45 } 46 GetFocusPattern()47 FocusPattern GetFocusPattern() const override 48 { 49 return { FocusType::SCOPE, true }; 50 } 51 GetScopeFocusAlgorithm()52 ScopeFocusAlgorithm GetScopeFocusAlgorithm() override 53 { 54 return ScopeFocusAlgorithm(ScopeFocusDirection::UNIVERSAL, false, true, ScopeType::OTHERS); 55 } 56 IsEnableMatchParent()57 bool IsEnableMatchParent() override 58 { 59 return true; 60 } 61 IsEnableChildrenMatchParent()62 bool IsEnableChildrenMatchParent() override 63 { 64 return true; 65 } 66 IsEnableFix()67 bool IsEnableFix() override 68 { 69 return true; 70 } 71 }; 72 } // namespace OHOS::Ace::NG 73 74 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERNS_STACK_STACK_PATTERN_H 75