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_LINEAR_LAYOUT_PATTERN_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_LINEAR_LAYOUT_PATTERN_H 18 19 #include "base/utils/noncopyable.h" 20 #include "core/components/common/layout/constants.h" 21 #include "core/components_ng/pattern/linear_layout/linear_layout_algorithm.h" 22 #include "core/components_ng/pattern/linear_layout/linear_layout_property.h" 23 #include "core/components_ng/pattern/pattern.h" 24 25 namespace OHOS::Ace::NG { 26 // PagePattern is the base class for page render node. 27 class LinearLayoutPattern : public Pattern { 28 DECLARE_ACE_TYPE(LinearLayoutPattern, Pattern); 29 30 public: LinearLayoutPattern(bool isVertical)31 explicit LinearLayoutPattern(bool isVertical) : isVertical_(isVertical) {}; 32 ~LinearLayoutPattern() override = default; 33 IsAtomicNode()34 bool IsAtomicNode() const override 35 { 36 return false; 37 } 38 CreateLayoutProperty()39 RefPtr<LayoutProperty> CreateLayoutProperty() override 40 { 41 return MakeRefPtr<LinearLayoutProperty>(isVertical_); 42 } 43 CreateLayoutAlgorithm()44 RefPtr<LayoutAlgorithm> CreateLayoutAlgorithm() override 45 { 46 return MakeRefPtr<LinearLayoutAlgorithm>(); 47 } 48 GetFocusPattern()49 FocusPattern GetFocusPattern() const override 50 { 51 return { FocusType::SCOPE, true }; 52 } 53 GetScopeFocusAlgorithm()54 ScopeFocusAlgorithm GetScopeFocusAlgorithm() override 55 { 56 return { isVertical_, true, ScopeType::FLEX }; 57 } 58 59 private: 60 bool isVertical_ = false; 61 62 ACE_DISALLOW_COPY_AND_MOVE(LinearLayoutPattern); 63 }; 64 } // namespace OHOS::Ace::NG 65 66 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_LINEAR_LAYOUT_PATTERN_H 67