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 ACCESSIBILITY_WINDOW_MANGER_H 17 #define ACCESSIBILITY_WINDOW_MANGER_H 18 19 #include <map> 20 #include <memory> 21 #include <mutex> 22 #include <set> 23 #include "accessibility_window_info.h" 24 #include "event_handler.h" 25 #include "singleton.h" 26 #include "window_manager.h" 27 #include "ffrt.h" 28 29 namespace OHOS { 30 namespace Accessibility { 31 32 constexpr int32_t SCENE_BOARD_WINDOW_ID = 1; // default scene board window id 1 33 constexpr int64_t INVALID_SCENE_BOARD_ELEMENT_ID = -1; // invalid scene board element id -1 34 35 class AccessibilityWindowManager { 36 DECLARE_SINGLETON(AccessibilityWindowManager) 37 public: 38 bool Init(); 39 void DeInit(); 40 void WinDeInit(); 41 static AccessibilityWindowInfo CreateAccessibilityWindowInfo(const sptr<Rosen::AccessibilityWindowInfo> windowInfo); 42 static void UpdateAccessibilityWindowInfo(AccessibilityWindowInfo &accWindowInfo, 43 const sptr<Rosen::AccessibilityWindowInfo> windowInfo); 44 static bool CheckIntegerOverflow(const Rosen::Rect& rect); 45 int32_t ConvertToRealWindowId(int32_t windowId, int32_t focusType); 46 void RegisterWindowListener(const std::shared_ptr<AppExecFwk::EventHandler> &handler); 47 void DeregisterWindowListener(); 48 void SetActiveWindow(int32_t windowId, bool isSendEvent = true); 49 int32_t GetActiveWindowId(); 50 void SetAccessibilityFocusedWindow(int32_t windowId); 51 std::vector<AccessibilityWindowInfo> GetAccessibilityWindows(); 52 bool GetAccessibilityWindow(int32_t windowId, AccessibilityWindowInfo &window); 53 bool IsValidWindow(int32_t windowId); 54 void ClearAccessibilityFocused(); 55 56 // used for window id 1, scene board 57 int64_t GetSceneBoardElementId(const int32_t windowId, const int64_t elementId); 58 int32_t GetRealWindowId(const sptr<Rosen::AccessibilityWindowInfo> windowInfo); 59 bool IsSceneBoard(const sptr<Rosen::AccessibilityWindowInfo> windowInfo); 60 bool IsScenePanel(const sptr<Rosen::AccessibilityWindowInfo> windowInfo); 61 62 // used for batch query, provide window and element id translation 63 void GetRealWindowAndElementId(int32_t& windowId, int64_t& elementId); 64 void GetSceneBoardInnerWinId(int32_t windowId, int64_t elementId, int32_t& innerWid); 65 66 RetError GetFocusedWindowId(int32_t &focusedWindowId); 67 68 // test for ut to resize a window 69 void SetWindowSize(int32_t windowId, Rect rect); 70 71 void OnWindowUpdate(const std::vector<sptr<Rosen::AccessibilityWindowInfo>>& infos, Rosen::WindowUpdateType type); 72 73 bool IsInnerWindowRootElement(int64_t elementId); 74 75 std::map<int32_t, AccessibilityWindowInfo> a11yWindows_ {}; 76 int32_t activeWindowId_ = INVALID_WINDOW_ID; 77 int32_t a11yFocusedWindowId_ = INVALID_WINDOW_ID; 78 std::set<int32_t> subWindows_ {}; // used for window id 1, scene board 79 80 // used for arkui windowId 1 map to WMS windowId 81 class SceneBoardElementIdMap { 82 public: 83 SceneBoardElementIdMap() = default; 84 ~SceneBoardElementIdMap() = default; 85 void InsertPair(const int32_t windowId, const int64_t elementId); 86 void RemovePair(const int32_t windowId); 87 bool CheckWindowIdPair(const int32_t windowId); 88 std::map<int32_t, int64_t> GetAllPairs(); 89 void Clear(); 90 private: 91 std::map<int32_t, int64_t> windowElementMap_; 92 ffrt::mutex mapMutex_; 93 }; 94 SceneBoardElementIdMap sceneBoardElementIdMap_ = {}; 95 96 private: 97 class AccessibilityWindowListener : public Rosen::IWindowUpdateListener { 98 public: AccessibilityWindowListener(AccessibilityWindowManager & windInfoMgr)99 explicit AccessibilityWindowListener(AccessibilityWindowManager &windInfoMgr) 100 : windInfoMgr_(windInfoMgr) {} 101 ~AccessibilityWindowListener() = default; 102 OnWindowUpdate(const std::vector<sptr<Rosen::AccessibilityWindowInfo>> & infos,Rosen::WindowUpdateType type)103 virtual void OnWindowUpdate(const std::vector<sptr<Rosen::AccessibilityWindowInfo>>& infos, 104 Rosen::WindowUpdateType type) override 105 { 106 windInfoMgr_.OnWindowUpdate(infos, type); 107 } 108 109 private: 110 AccessibilityWindowManager &windInfoMgr_; 111 }; 112 113 bool CompareRect(const Rect &rectAccessibility, const Rosen::Rect &rectWindow); 114 bool EqualFocus(const Accessibility::AccessibilityWindowInfo &accWindowInfo, 115 const sptr<Rosen::AccessibilityWindowInfo> &windowInfo); 116 bool EqualBound(const Accessibility::AccessibilityWindowInfo &accWindowInfo, 117 const sptr<Rosen::AccessibilityWindowInfo> &windowInfo); 118 bool EqualProperty(Accessibility::AccessibilityWindowInfo &accWindowInfo, 119 const sptr<Rosen::AccessibilityWindowInfo> &windowInfo); 120 void WindowUpdateAdded(const std::vector<sptr<Rosen::AccessibilityWindowInfo>>& infos); 121 void WindowUpdateRemoved(const std::vector<sptr<Rosen::AccessibilityWindowInfo>>& infos); 122 void WindowUpdateBounds(const std::vector<sptr<Rosen::AccessibilityWindowInfo>>& infos); 123 void WindowUpdateActive(const std::vector<sptr<Rosen::AccessibilityWindowInfo>>& infos); 124 void WindowUpdateFocused(const std::vector<sptr<Rosen::AccessibilityWindowInfo>>& infos); 125 void WindowUpdateProperty(const std::vector<sptr<Rosen::AccessibilityWindowInfo>>& infos); 126 void WindowUpdateTypeEvent(const int32_t realWidId, Accessibility::WindowUpdateType type); 127 void WindowUpdateAll(const std::vector<sptr<Rosen::AccessibilityWindowInfo>>& infos); 128 void ClearOldActiveWindow(); 129 130 sptr<AccessibilityWindowListener> windowListener_ = nullptr; 131 std::shared_ptr<AppExecFwk::EventHandler> eventHandler_ = nullptr; 132 ffrt::recursive_mutex interfaceMutex_; // mutex for interface to make sure AccessibilityWindowManager thread-safe 133 }; 134 } // namespace Accessibility 135 } // namespace OHOS 136 #endif // ACCESSIBILITY_WINDOW_MANGER_H