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