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 OHOS_ROSEN_DISPLAY_ZOOM_CONTROLLER_H 17 #define OHOS_ROSEN_DISPLAY_ZOOM_CONTROLLER_H 18 19 #include <refbase.h> 20 21 #include "window_node.h" 22 #include "window_root.h" 23 #include "window_node_container.h" 24 #include "wm_common.h" 25 26 namespace OHOS::Rosen { 27 class DisplayZoomController : public RefBase { 28 public: DisplayZoomController(sptr<WindowRoot> & root)29 explicit DisplayZoomController(sptr<WindowRoot>& root) : windowRoot_(root) {} 30 ~DisplayZoomController() = default; 31 void SetAnchorAndScale(int32_t x, int32_t y, float scale); 32 void SetAnchorOffset(int32_t deltaX, int32_t deltaY); 33 void OffWindowZoom(); 34 void UpdateAllWindowsZoomInfo(DisplayId displayId); 35 void UpdateWindowZoomInfo(uint32_t windowId); 36 void ClearZoomTransform(std::vector<sptr<WindowNode>> nodes); 37 private: 38 struct DisplayZoomInfo { 39 int32_t pivotX; 40 int32_t pivotY; 41 float scale; 42 int32_t translateX; 43 int32_t translateY; 44 }; 45 sptr<WindowRoot> windowRoot_; 46 void ClearZoomTransformInner(sptr<WindowNode> node); 47 bool UpdateZoomTranslateInfo(sptr<WindowNodeContainer> windowNodeContainer, DisplayId displayId, 48 int32_t& deltaX, int32_t& deltaY); 49 Transform CalcuAnimateZoomTrans(sptr<WindowNode> node); 50 Transform CalcuZoomTransByZoomInfo(sptr<WindowNode> node); 51 Transform CalcuZoomTrans(sptr<WindowNode> node, const DisplayZoomInfo& zoomInfo); 52 void UpdateClientAndSurfaceZoomInfo(sptr<WindowNode> node, const Transform& zoomTrans); 53 void HandleUpdateWindowZoomInfo(sptr<WindowNode> node); 54 void TransformSurfaceNode(std::shared_ptr<RSSurfaceNode> surfaceNode, const Transform& trans); 55 DisplayZoomInfo zoomInfo_ = {0, 0, 1.0, 0, 0}; // compared with original window rect 56 std::unordered_set<WindowType> displayZoomWindowTypeSkipped_ { 57 WindowType::WINDOW_TYPE_NAVIGATION_BAR, 58 WindowType::WINDOW_TYPE_INPUT_METHOD_FLOAT, 59 }; 60 }; 61 } 62 #endif // OHOS_ROSEN_DISPLAY_ZOOM_CONTROLLER_H 63