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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 MOCK_ACCESSIBILITY_ELEMENT_OPERATOR_IMPL_H
17 #define MOCK_ACCESSIBILITY_ELEMENT_OPERATOR_IMPL_H
18 
19 #include <memory>
20 #include <unordered_map>
21 #include "accessibility_element_operator.h"
22 #include "accessibility_element_operator_callback.h"
23 #include "accessibility_element_operator_stub.h"
24 #include "ffrt.h"
25 #include "nocopyable.h"
26 
27 namespace OHOS {
28 namespace Accessibility {
29 /*
30  * The class define the interface for UI to implement.
31  * It is triggered by ABMS when AA to request the accessibility information.
32  */
33 class MockAccessibilityElementOperatorImpl : public AccessibilityElementOperatorStub {
34 public:
35     /**
36      * @brief construct function
37      * @param object The object of IPC
38      */
39     explicit MockAccessibilityElementOperatorImpl(int32_t windowId,
40         const std::shared_ptr<AccessibilityElementOperator> &operation,
41         AccessibilityElementOperatorCallback &callback);
42 
43     /**
44      * @brief destruct function
45      */
46     ~MockAccessibilityElementOperatorImpl();
47 
48     /**
49      * @brief Make the node information by accessibility ID and set the result by callback.
50      * @param elementId: The unique id of the component ID.
51      * @param requestId Matched the request and response. It needn't cared by ACE, transfer it by callback only.
52      * @param callback  To transfer the node info to ASAC and it defined by ASAC.
53      * @param mode PREFETCH_PREDECESSORS: Need to make the parent node info also.
54      *              PREFETCH_SIBLINGS: Need to make the sister/brothers node info also.
55      *              PREFETCH_CHILDREN: Need to make the child node info also.
56      *              otherwise: Make the node information by elementId only.
57      */
58     RetError SearchElementInfoByAccessibilityId(const int64_t elementId, const int32_t requestId,
59         const sptr<IAccessibilityElementOperatorCallback>& callback, const int32_t mode, bool isFilter) override;
60 
61     /**
62      * @brief Make the node information by window ID and set the result by callback.
63      * @param window: The window id.
64      * @param requestId Matched the request and response. It needn't cared by ACE, transfer it by callback only.
65      * @param callback  To transfer the node info to ASAC and it defined by ASAC.
66      * @param mode PREFETCH_PREDECESSORS: Need to make the parent node info also.
67      *              PREFETCH_SIBLINGS: Need to make the sister/brothers node info also.
68      *              PREFETCH_CHILDREN: Need to make the child node info also.
69      *              otherwise: Make the node information by elementId only.
70      */
71     void SearchDefaultFocusedByWindowId(const int32_t windowId, const int32_t requestId,
72         const sptr<IAccessibilityElementOperatorCallback> &callback, const int32_t mode,
73         bool isFilter = false) override;
74 
75     /**
76      * @brief Make the child node information by accessibility ID and filtered by text and set the result by callback.
77      * @param elementId: The unique id of the component ID.
78      * @param requestId Matched the request and response. It needn't cared by ACE, transfer it by callback only.
79      * @param callback  To transfer the node info to ASAC and it defined by ASAC.
80      * @param text  Filter for the child components to matched with the text
81      */
82     void SearchElementInfosByText(const int64_t elementId, const std::string& text, const int32_t requestId,
83         const sptr<IAccessibilityElementOperatorCallback>& callback) override;
84 
85     /**
86      * @brief Make the node information of the component focused by the focus type specified.
87      * @param elementId: The unique id of the component ID.
88      * @param requestId Matched the request and response. It needn't cared by ACE, transfer it by callback only.
89      * @param callback  To transfer the node info to ASAC and it defined by ASAC.
90      * @param focusType FOCUS_TYPE_ACCESSIBILITY: accessibility focus
91      *                  FOCUS_TYPE_INPUT: text input focus
92      */
93     void FindFocusedElementInfo(const int64_t elementId, const int32_t focusType, const int32_t requestId,
94         const sptr<IAccessibilityElementOperatorCallback>& callback) override;
95 
96     /**
97      * @brief Make the node info by current focus move direction.
98      * @param elementId: The unique id of the component ID.
99      * @param requestId Matched the request and response. It needn't cared by ACE, transfer it by callback only.
100      * @param callback  To transfer the node info to ASAC and it defined by ASAC.
101      * @param direction Refer to AccessibilityElementInfo.FocusMoveDirection(UP/DOWN/LEFT/RIGHT/FORWARD/BACKWARD)
102      */
103     void FocusMoveSearch(const int64_t elementId, const int32_t direction, const int32_t requestId,
104         const sptr<IAccessibilityElementOperatorCallback>& callback) override;
105 
106     /**
107      * @brief To return the result of perform action.
108      * @param elementId: The unique id of the component ID.
109      * @param requestId Matched the request and response. It needn't cared by ACE, transfer it by callback only.
110      * @param callback  To transfer the node info to ASAC and it defined by ASAC.
111      * @param action Refer to [AccessibilityElementInfo.ActionType]
112      * @param actionArguments The parameter for action type. such as:
113      *      action: ACCESSIBILITY_ACTION_NEXT_HTML_ITEM,
114      *                  actionArguments(ACTION_ARGU_HTML_ELEMENT,HtmlItemType)
115      *      action: ACCESSIBILITY_ACTION_PREVIOUS_HTML_ITEM,
116      *                  actionArguments(ACTION_ARGU_HTML_ELEMENT,HtmlItemType)
117      *      action: ACCESSIBILITY_ACTION_NEXT_TEXT,
118      *                  actionArguments(ACTION_ARGU_MOVE_UNIT,MOVE_UNIT_XXX)
119      *      action: ACCESSIBILITY_ACTION_PREVIOUS_TEXT,
120      *                  actionArguments(ACTION_ARGU_MOVE_UNIT,MOVE_UNIT_XXX)
121      *      action: ACCESSIBILITY_ACTION_SET_SELECTION,
122      *                  actionArguments({ACTION_ARGU_SELECT_TEXT_START,"1"(start location)},
123      *                                  {ACTION_ARGU_SELECT_TEXT_END,"10"(end location)})
124      *      action: ACCESSIBILITY_ACTION_SET_TEXT,
125      *                  actionArguments(ACTION_ARGU_SET_TEXT,"the text of setted")
126      */
127     void ExecuteAction(const int64_t elementId, const int32_t action,
128         const std::map<std::string, std::string> &actionArguments, int32_t requestId,
129         const sptr<IAccessibilityElementOperatorCallback>& callback) override;
130 
131     /**
132      * @brief To return the result of cursor position.
133      * @param elementId: The unique id of the component ID.
134      * @param requestId Matched the request and response. It needn't cared by ACE, transfer it by callback only.
135      * @param callback  To transfer the node info to ASAC and it defined by ASAC.
136      */
137     void GetCursorPosition(const int64_t elementId, int32_t requestId,
138         const sptr<IAccessibilityElementOperatorCallback>& callback) override;
139 
140     /**
141      * @brief Search element information by specific property.
142      * @param elementId: The unique id of the component ID.
143      * @param param The specific property parameters.
144      * @param requestId Matched the request and response. It needn't cared by ACE, transfer it by callback only.
145      * @param callback  To transfer the node info to ASAC and it defined by ASAC.
146      */
147     void SearchElementInfoBySpecificProperty(const int64_t elementId,
148         const SpecificPropertyParam& param, const int32_t requestId,
149         const sptr<IAccessibilityElementOperatorCallback>& callback) override;
150 
151     /**
152      * @brief The function is called while accessibility System check the id of window is not equal
153      * to the id of active window when sendAccessibility.
154      */
155 
156     void ClearFocus() override;
157 
158     /**
159      * @brief the low layer is notified by the function called while accessibility system execute
160      * the function of executeAction from AS to check the all low windows cared the outside event.
161      * Example: PopupWindow receive the OUTSIDE_EVENT to close itself.
162      */
163     void OutsideTouch() override;
164 
165     /**
166      * @brief Get the window id related with operator object
167      * @param windowId: The unique id of the window related with operator object.
168      */
169     int32_t GetWindowId();
170 
171     /**
172      * @brief Set the element information by accessibility id to AA.
173      * @param infos The element info searched by accessibility id.
174      * @param requestId The request id from AA, it is used to match with request and response.
175      */
176     void SetSearchElementInfoByAccessibilityIdResult(const std::list<AccessibilityElementInfo> &infos,
177         const int32_t requestId);
178 
179     /**
180      * @brief Set the element information by window id to AA.
181      * @param infos The element info searched by window id.
182      * @param requestId The request id from AA, it is used to match with request and response.
183      */
184     void SetSearchDefaultFocusByWindowIdResult(const std::list<AccessibilityElementInfo> &infos,
185         const int32_t requestId);
186 
187     /**
188      * @brief Set the element information matched with text to AA.
189      * @param infos The element information searched matched with text.
190      * @param requestId The request id from AA, it is used to match with request and response.
191      */
192     void SetSearchElementInfoByTextResult(const std::list<AccessibilityElementInfo> &infos,
193         const int32_t requestId);
194 
195     /**
196      * @brief Set the element information matched with focus type to AA.
197      * @param info The element information searched matched with focus type.
198      * @param requestId The request id from AA, it is used to match with request and response.
199      */
200     void SetFindFocusedElementInfoResult(const AccessibilityElementInfo &info, const int32_t requestId);
201 
202     /**
203      * @brief Set the element information by focus direction to AA.
204      * @param info The element information searched by focus direction.
205      * @param requestId The request id from AA, it is used to match with request and response.
206      */
207     void SetFocusMoveSearchResult(const AccessibilityElementInfo &info, const int32_t requestId);
208 
209     /**
210      * @brief Set the result of action executed to AA.
211      * @param succeeded True: The action is executed successfully; otherwise is false.
212      * @param requestId The request id from AA, it is used to match with request and response.
213      */
214     void SetExecuteActionResult(const bool succeeded, const int32_t requestId);
215 
216     /**
217      * @brief Set the result of action executed to AA.
218      * @param cursorPosition Mark number for cursor position.
219      * @param requestId The request id from AA, it is used to match with request and response.
220      */
221     void SetCursorPositionResult(const int32_t cursorPosition, const int32_t requestId);
222 
223     /**
224     * @brief To return the result of elementId, treeId, childWindowId.
225     * @param elementId: The element Id.
226     * @param treeId: The tree Id.
227     * @param childWindowId The childwindow Id.
228     */
229     void SetChildTreeIdAndWinId(const int64_t elementId, const int32_t treeId, const int32_t childWindowId);
230 
231     /**
232     * @brief To return the result of treeId
233     * @param treeId: The tree Id.
234     */
235     void SetBelongTreeId(const int32_t treeId);
236 
237     /**
238     * @brief To return the result of parentWindowId
239     * @param parentWindowId: The parentWindow Id.
240     */
241     void SetParentWindowId(const int32_t parentWindowId);
242 
243 private:
244     int32_t AddRequest(int32_t requestId, const sptr<IAccessibilityElementOperatorCallback> &callback);
245 
246     ffrt::mutex requestsMutex_;
247     int32_t windowId_ = 0;
248     AccessibilityElementOperatorCallback &operatorCallback_;
249     std::shared_ptr<AccessibilityElementOperator> operator_ = nullptr;
250     std::unordered_map<int32_t, sptr<IAccessibilityElementOperatorCallback>> requests_;
251 };
252 
253 template <class T>
TranslateListToVector(const std::list<T> & originList)254 std::vector<T> TranslateListToVector(const std::list<T>& originList)
255 {
256     std::size_t len = originList.size();
257     std::vector<T> destVector(len);
258     std::copy(originList.begin(), originList.end(), destVector.begin());
259     return destVector;
260 }
261 
262 template <class T>
TranslateVectorToList(const std::vector<T> & originVector)263 std::list<T> TranslateVectorToList(const std::vector<T>& originVector)
264 {
265     size_t len = originVector.length();
266     std::list<T> destList(len);
267     std::copy(originVector.begin(), originVector.end(), destList.begin());
268     return destList;
269 }
270 } // namespace Accessibility
271 } // namespace OHOS
272 #endif // MOCK_ACCESSIBILITY_ELEMENT_OPERATOR_IMPL_H