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 void SetAccessibilityFocusedWindow(int32_t windowId); 50 std::vector<AccessibilityWindowInfo> GetAccessibilityWindows(); 51 bool GetAccessibilityWindow(int32_t windowId, AccessibilityWindowInfo &window); 52 bool IsValidWindow(int32_t windowId); 53 void ClearAccessibilityFocused(); 54 55 // used for window id 1, scene board 56 int64_t GetSceneBoardElementId(const int32_t windowId, const int64_t elementId); 57 int32_t GetRealWindowId(const sptr<Rosen::AccessibilityWindowInfo> windowInfo); 58 bool IsSceneBoard(const sptr<Rosen::AccessibilityWindowInfo> windowInfo); 59 60 // used for batch query, provide window and element id translation 61 void GetRealWindowAndElementId(int32_t& windowId, int64_t& elementId); 62 void GetSceneBoardInnerWinId(int32_t windowId, int64_t elementId, int32_t& innerWid); 63 64 RetError GetFocusedWindowId(int32_t &focusedWindowId); 65 66 // test for ut to resize a window 67 void SetWindowSize(int32_t windowId, Rect rect); 68 69 void OnWindowUpdate(const std::vector<sptr<Rosen::AccessibilityWindowInfo>>& infos, Rosen::WindowUpdateType type); 70 71 bool IsInnerWindowRootElement(int64_t elementId); 72 73 std::map<int32_t, AccessibilityWindowInfo> a11yWindows_ {}; 74 int32_t activeWindowId_ = INVALID_WINDOW_ID; 75 int32_t a11yFocusedWindowId_ = INVALID_WINDOW_ID; 76 std::set<int32_t> subWindows_ {}; // used for window id 1, scene board 77 78 // used for arkui windowId 1 map to WMS windowId 79 class SceneBoardElementIdMap { 80 public: 81 SceneBoardElementIdMap() = default; 82 ~SceneBoardElementIdMap() = default; 83 void InsertPair(const int32_t windowId, const int64_t elementId); 84 void RemovePair(const int32_t windowId); 85 bool CheckWindowIdPair(const int32_t windowId); 86 std::map<int32_t, int64_t> GetAllPairs(); 87 void Clear(); 88 private: 89 std::map<int32_t, int64_t> windowElementMap_; 90 std::mutex mapMutex_; 91 }; 92 SceneBoardElementIdMap sceneBoardElementIdMap_ = {}; 93 94 private: 95 class AccessibilityWindowListener : public Rosen::IWindowUpdateListener { 96 public: AccessibilityWindowListener(AccessibilityWindowManager & windInfoMgr)97 explicit AccessibilityWindowListener(AccessibilityWindowManager &windInfoMgr) 98 : windInfoMgr_(windInfoMgr) {} 99 ~AccessibilityWindowListener() = default; 100 OnWindowUpdate(const std::vector<sptr<Rosen::AccessibilityWindowInfo>> & infos,Rosen::WindowUpdateType type)101 virtual void OnWindowUpdate(const std::vector<sptr<Rosen::AccessibilityWindowInfo>>& infos, 102 Rosen::WindowUpdateType type) override 103 { 104 windInfoMgr_.OnWindowUpdate(infos, type); 105 } 106 107 private: 108 AccessibilityWindowManager &windInfoMgr_; 109 }; 110 111 bool CompareRect(const Rect &rectAccessibility, const Rosen::Rect &rectWindow); 112 bool EqualFocus(const Accessibility::AccessibilityWindowInfo &accWindowInfo, 113 const sptr<Rosen::AccessibilityWindowInfo> &windowInfo); 114 bool EqualBound(const Accessibility::AccessibilityWindowInfo &accWindowInfo, 115 const sptr<Rosen::AccessibilityWindowInfo> &windowInfo); 116 bool EqualProperty(Accessibility::AccessibilityWindowInfo &accWindowInfo, 117 const sptr<Rosen::AccessibilityWindowInfo> &windowInfo); 118 void WindowUpdateAdded(const std::vector<sptr<Rosen::AccessibilityWindowInfo>>& infos); 119 void WindowUpdateRemoved(const std::vector<sptr<Rosen::AccessibilityWindowInfo>>& infos); 120 void WindowUpdateBounds(const std::vector<sptr<Rosen::AccessibilityWindowInfo>>& infos); 121 void WindowUpdateActive(const std::vector<sptr<Rosen::AccessibilityWindowInfo>>& infos); 122 void WindowUpdateFocused(const std::vector<sptr<Rosen::AccessibilityWindowInfo>>& infos); 123 void WindowUpdateProperty(const std::vector<sptr<Rosen::AccessibilityWindowInfo>>& infos); 124 void WindowUpdateTypeEvent(const int32_t realWidId, Accessibility::WindowUpdateType type); 125 void WindowUpdateAll(const std::vector<sptr<Rosen::AccessibilityWindowInfo>>& infos); 126 void ClearOldActiveWindow(); 127 128 sptr<AccessibilityWindowListener> windowListener_ = nullptr; 129 std::shared_ptr<AppExecFwk::EventHandler> eventHandler_ = nullptr; 130 ffrt::recursive_mutex interfaceMutex_; // mutex for interface to make sure AccessibilityWindowManager thread-safe 131 }; 132 } // namespace Accessibility 133 } // namespace OHOS 134 #endif // ACCESSIBILITY_WINDOW_MANGER_H