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_NAVROUTER_NAVDESTINATION_PATTERN_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERNS_NAVROUTER_NAVDESTINATION_PATTERN_H 18 19 #include "base/memory/referenced.h" 20 #include "core/components_ng/base/ui_node.h" 21 #include "core/components_ng/pattern/navigation/navigation_event_hub.h" 22 #include "core/components_ng/pattern/navrouter/navdestination_event_hub.h" 23 #include "core/components_ng/pattern/navrouter/navdestination_group_node.h" 24 #include "core/components_ng/pattern/navrouter/navdestination_layout_algorithm.h" 25 #include "core/components_ng/pattern/navrouter/navdestination_layout_property.h" 26 #include "core/components_ng/pattern/pattern.h" 27 #include "core/components_ng/syntax/shallow_builder.h" 28 29 namespace OHOS::Ace::NG { 30 31 class NavDestinationPattern : public Pattern { 32 DECLARE_ACE_TYPE(NavDestinationPattern, Pattern); 33 34 public: NavDestinationPattern(const RefPtr<ShallowBuilder> & shallowBuilder)35 explicit NavDestinationPattern(const RefPtr<ShallowBuilder>& shallowBuilder) 36 : shallowBuilder_(shallowBuilder) 37 {} 38 NavDestinationPattern() = default; 39 ~NavDestinationPattern() override = default; 40 IsAtomicNode()41 bool IsAtomicNode() const override 42 { 43 return false; 44 } 45 CreateLayoutProperty()46 RefPtr<LayoutProperty> CreateLayoutProperty() override 47 { 48 return MakeRefPtr<NavDestinationLayoutProperty>(); 49 } 50 CreateLayoutAlgorithm()51 RefPtr<LayoutAlgorithm> CreateLayoutAlgorithm() override 52 { 53 return MakeRefPtr<NavDestinationLayoutAlgorithm>(); 54 } 55 CreateEventHub()56 RefPtr<EventHub> CreateEventHub() override 57 { 58 return MakeRefPtr<NavDestinationEventHub>(); 59 } 60 61 void OnModifyDone() override; 62 GetShallowBuilder()63 const RefPtr<ShallowBuilder>& GetShallowBuilder() const 64 { 65 return shallowBuilder_; 66 } 67 68 private: 69 RefPtr<ShallowBuilder> shallowBuilder_; 70 }; 71 72 } // namespace OHOS::Ace::NG 73 74 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERNS_NAVROUTER_NAVDESTINATION_PATTERN_H