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_NAVIGATION_NAV_BAR_PATTERN_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERNS_NAVIGATION_NAV_BAR_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/nav_bar_layout_algorithm.h" 22 #include "core/components_ng/pattern/navigation/nav_bar_layout_property.h" 23 #include "core/components_ng/pattern/navigation/nav_bar_node.h" 24 #include "core/components_ng/pattern/navigation/navigation_event_hub.h" 25 #include "core/components_ng/pattern/navigation/navigation_layout_algorithm.h" 26 #include "core/components_ng/pattern/navigation/title_bar_layout_property.h" 27 #include "core/components_ng/pattern/pattern.h" 28 29 namespace OHOS::Ace::NG { 30 31 class NavBarPattern : public Pattern { 32 DECLARE_ACE_TYPE(NavBarPattern, Pattern); 33 34 public: 35 NavBarPattern() = default; 36 ~NavBarPattern() override = default; 37 IsAtomicNode()38 bool IsAtomicNode() const override 39 { 40 return false; 41 } 42 CreateLayoutProperty()43 RefPtr<LayoutProperty> CreateLayoutProperty() override 44 { 45 return MakeRefPtr<NavBarLayoutProperty>(); 46 } 47 CreateLayoutAlgorithm()48 RefPtr<LayoutAlgorithm> CreateLayoutAlgorithm() override 49 { 50 return MakeRefPtr<NavBarLayoutAlgorithm>(); 51 } 52 SetTitleBarMenuItems(const std::vector<NG::BarItem> & menuItems)53 void SetTitleBarMenuItems(const std::vector<NG::BarItem>& menuItems) 54 { 55 titleBarMenuItems_ = menuItems; 56 } 57 GetTitleBarMenuItems()58 const std::vector<NG::BarItem>& GetTitleBarMenuItems() const 59 { 60 return titleBarMenuItems_; 61 } 62 SetToolBarMenuItems(const std::vector<NG::BarItem> & menuItems)63 void SetToolBarMenuItems(const std::vector<NG::BarItem>& menuItems) 64 { 65 toolBarMenuItems_ = menuItems; 66 } 67 GetToolBarMenuItems()68 const std::vector<NG::BarItem>& GetToolBarMenuItems() const 69 { 70 return toolBarMenuItems_; 71 } 72 GetMenuNodeId()73 int32_t GetMenuNodeId() const 74 { 75 return menuNodeId_.value(); 76 } 77 GetLandscapeMenuNodeId()78 int32_t GetLandscapeMenuNodeId() 79 { 80 if (!landscapeMenuNodeId_.has_value()) { 81 landscapeMenuNodeId_ = ElementRegister::GetInstance()->MakeUniqueId(); 82 } 83 return landscapeMenuNodeId_.value(); 84 } 85 SetMenuNodeId(const int32_t menuNodeId)86 void SetMenuNodeId(const int32_t menuNodeId) 87 { 88 menuNodeId_ = menuNodeId; 89 } 90 SetLandscapeMenuNodeId(const int32_t landscapeMenuNodeId)91 void SetLandscapeMenuNodeId(const int32_t landscapeMenuNodeId) 92 { 93 landscapeMenuNodeId_ = landscapeMenuNodeId; 94 } 95 HasMenuNodeId()96 bool HasMenuNodeId() const 97 { 98 return menuNodeId_.has_value(); 99 } 100 HasLandscapeMenuNodeId()101 bool HasLandscapeMenuNodeId() const 102 { 103 return landscapeMenuNodeId_.has_value(); 104 } 105 106 void OnCoordScrollStart(); 107 float OnCoordScrollUpdate(float offset); 108 void OnCoordScrollEnd(); 109 bool CanCoordScrollUp(float offset) const; 110 GetToolbarHideStatus()111 bool GetToolbarHideStatus() 112 { 113 return isHideToolbar_; 114 } 115 116 void OnAttachToFrameNode() override; OnWindowFocused()117 void OnWindowFocused() override 118 { 119 WindowFocus(true); 120 } 121 OnWindowUnfocused()122 void OnWindowUnfocused() override 123 { 124 WindowFocus(false); 125 } 126 GetFocusPattern()127 FocusPattern GetFocusPattern() const override 128 { 129 return { FocusType::SCOPE, true }; 130 } 131 GetMaxMenuNum()132 int32_t GetMaxMenuNum() const 133 { 134 return maxMenuNums_; 135 } 136 SetMaxMenuNum(int32_t maxMenu)137 void SetMaxMenuNum(int32_t maxMenu) 138 { 139 maxMenuNums_ = maxMenu; 140 } 141 NeedCoordWithScroll()142 bool NeedCoordWithScroll() 143 { 144 return titleMode_ == NavigationTitleMode::FREE; 145 } 146 147 protected: 148 void OnDetachFromFrameNode(FrameNode* frameNode) override; 149 150 private: 151 void WindowFocus(bool isFocus); 152 void OnWindowSizeChanged(int32_t width, int32_t height, WindowSizeChangeReason type) override; 153 void OnModifyDone() override; 154 void InitPanEvent(const RefPtr<GestureEventHub>& gestureHub); 155 void HandleOnDragStart(float offset); 156 void HandleOnDragUpdate(float offset); 157 void HandleOnDragEnd(); 158 159 RefPtr<PanEvent> panEvent_; 160 WeakPtr<FrameNode> scrollableNode_; 161 bool isHideToolbar_ = false; 162 bool isHideTitlebar_ = false; 163 std::vector<NG::BarItem> titleBarMenuItems_; 164 std::vector<NG::BarItem> toolBarMenuItems_; 165 std::optional<int32_t> menuNodeId_; 166 std::optional<int32_t> landscapeMenuNodeId_; 167 RefPtr<FrictionMotion> motion_; 168 RefPtr<Animator> controller_; 169 bool isTitleMenuNodeShowing_ = false; 170 NavigationTitleMode titleMode_ = NavigationTitleMode::FREE; 171 int32_t maxMenuNums_ = -1; 172 }; 173 174 } // namespace OHOS::Ace::NG 175 176 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERNS_NAVIGATION_NAV_BAR_PATTERN_H