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 FRAMEWORKS_BRIDGE_DECLARATIVE_FRONTEND_JS_VIEW_JS_SCROLLER_H 17 #define FRAMEWORKS_BRIDGE_DECLARATIVE_FRONTEND_JS_VIEW_JS_SCROLLER_H 18 19 #include "base/memory/referenced.h" 20 #include "bridge/declarative_frontend/engine/bindings.h" 21 #include "core/components/scroll/scroll_controller_base.h" 22 #include "core/components/scroll_bar/scroll_proxy.h" 23 24 namespace OHOS::Ace::Framework { 25 26 class JSScroller final : public Referenced { 27 public: 28 JSScroller() = default; 29 ~JSScroller() override = default; 30 31 static void JSBind(BindingTarget globalObj); 32 static void Constructor(const JSCallbackInfo& args); 33 static void Destructor(JSScroller* scroller); 34 35 void ScrollTo(const JSCallbackInfo& args); 36 void ScrollEdge(const JSCallbackInfo& args); 37 void ScrollPage(const JSCallbackInfo& args); 38 void CurrentOffset(const JSCallbackInfo& args); 39 void ScrollToIndex(const JSCallbackInfo& args); 40 void ScrollBy(const JSCallbackInfo& args); 41 GetController()42 const WeakPtr<ScrollControllerBase>& GetController() const 43 { 44 return controllerWeak_; 45 } 46 SetController(const RefPtr<ScrollControllerBase> & controller)47 void SetController(const RefPtr<ScrollControllerBase>& controller) 48 { 49 controllerWeak_ = controller; 50 } 51 SetScrollBarProxy(const RefPtr<ScrollProxy> & proxy)52 void SetScrollBarProxy(const RefPtr<ScrollProxy>& proxy) 53 { 54 scrollBarProxyWeak_ = proxy; 55 } 56 GetScrollBarProxy()57 RefPtr<ScrollProxy> GetScrollBarProxy() 58 { 59 return scrollBarProxyWeak_.Upgrade(); 60 } 61 62 private: 63 WeakPtr<ScrollControllerBase> controllerWeak_; 64 WeakPtr<ScrollProxy> scrollBarProxyWeak_; 65 66 ACE_DISALLOW_COPY_AND_MOVE(JSScroller); 67 }; 68 69 } // namespace OHOS::Ace::Framework 70 #endif // FRAMEWORKS_BRIDGE_DECLARATIVE_FRONTEND_JS_VIEW_JS_SCROLLER_H 71