1 /* 2 * Copyright (c) 2021 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_ACE_ENGINE_FRAMEWORKS_BRIDGE_DECLARATIVE_FRONTEND_JSVIEW_JS_TABS_CONTROLLER_H 17 #define FOUNDATION_ACE_ACE_ENGINE_FRAMEWORKS_BRIDGE_DECLARATIVE_FRONTEND_JSVIEW_JS_TABS_CONTROLLER_H 18 19 #include "base/memory/referenced.h" 20 #include "bridge/declarative_frontend/engine/bindings_defines.h" 21 #include "bridge/declarative_frontend/engine/js_types.h" 22 #include "core/components/tab_bar/tab_controller.h" 23 #include "core/components_ng/pattern/tabs/tabs_controller.h" 24 25 namespace OHOS::Ace::Framework { 26 27 class JSTabsController : public Referenced { 28 public: 29 JSTabsController(); 30 ~JSTabsController() override = default; 31 32 static void JSBind(BindingTarget globalObj); 33 static void Constructor(const JSCallbackInfo& args); 34 static void Destructor(JSTabsController* controller); 35 static RefPtr<TabController> CreateController(); 36 37 void ChangeIndex(int32_t index); 38 39 void PreloadItems(const JSCallbackInfo& args); 40 41 void SetTabBarTranslate(const JSCallbackInfo& args); 42 43 void SetTabBarOpacity(const JSCallbackInfo& args); 44 GetController()45 const RefPtr<TabController>& GetController() const 46 { 47 return controller_; 48 } 49 SetTabsController(const RefPtr<NG::TabsControllerNG> & tabsController)50 void SetTabsController(const RefPtr<NG::TabsControllerNG>& tabsController) 51 { 52 auto oldTabsController = tabsControllerWeak_.Upgrade(); 53 if (oldTabsController) { 54 // old controller bind another tabs. 55 oldTabsController->StartShowTabBar(); 56 oldTabsController->SetOnChangeImpl(nullptr); 57 } 58 if (tabsController) { 59 tabsController->SetOnChangeImpl(onChangeImpl_); 60 } 61 tabsControllerWeak_ = tabsController; 62 } 63 GetTabsController()64 const WeakPtr<NG::TabsControllerNG>& GetTabsController() const 65 { 66 return tabsControllerWeak_; 67 } 68 SetInstanceId(int32_t id)69 void SetInstanceId(int32_t id) 70 { 71 instanceId_ = id; 72 } 73 SetOnChangeImpl(const OnChangeFunc & onChangeImpl)74 void SetOnChangeImpl(const OnChangeFunc& onChangeImpl) 75 { 76 onChangeImpl_ = onChangeImpl; 77 auto tabsController = tabsControllerWeak_.Upgrade(); 78 if (tabsController) { 79 tabsController->SetOnChangeImpl(onChangeImpl); 80 } 81 } 82 83 private: 84 int32_t instanceId_ = INSTANCE_ID_UNDEFINED; 85 RefPtr<TabController> controller_; 86 WeakPtr<NG::TabsControllerNG> tabsControllerWeak_; // used by ng structure 87 OnChangeFunc onChangeImpl_; 88 89 ACE_DISALLOW_COPY_AND_MOVE(JSTabsController); 90 }; 91 92 } // namespace OHOS::Ace::Framework 93 94 #endif // FOUNDATION_ACE_ACE_ENGINE_FRAMEWORKS_BRIDGE_DECLARATIVE_FRONTEND_JSVIEW_JS_TABS_CONTROLLER_H 95