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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 ACCESSIBLE_ABILITY_CHANNEL_H
17 #define ACCESSIBLE_ABILITY_CHANNEL_H
18 
19 #include "accessible_ability_channel_stub.h"
20 #include "event_handler.h"
21 #include "ffrt_inner.h"
22 #include "iaccessibility_element_operator.h"
23 #include "key_event.h"
24 
25 namespace OHOS {
26 namespace Accessibility {
27 class AccessibleAbilityConnection;
28 class AccessibleAbilityChannel : public AccessibleAbilityChannelStub {
29 public:
30     AccessibleAbilityChannel(const int32_t accountId, const std::string &clientName);
31     ~AccessibleAbilityChannel() = default;
32     RetError SearchElementInfoByAccessibilityId(const ElementBasicInfo elementBasicInfo,
33         const int32_t requestId, const sptr<IAccessibilityElementOperatorCallback> &callback,
34         const int32_t mode, bool isFilter = false, bool systemApi = false) override;
35 
36     RetError SearchDefaultFocusedByWindowId(const ElementBasicInfo elementBasicInfo,
37         const int32_t requestId, const sptr<IAccessibilityElementOperatorCallback> &callback,
38         const int32_t mode, bool isFilter = false) override;
39 
40     RetError SearchElementInfosByText(const int32_t accessibilityWindowId, const int64_t elementId,
41         const std::string &text, const int32_t requestId,
42         const sptr<IAccessibilityElementOperatorCallback> &callback, bool systemApi = false) override;
43 
44     RetError FindFocusedElementInfo(const int32_t accessibilityWindowId, const int64_t elementId,
45         const int32_t focusType, const int32_t requestId,
46         const sptr<IAccessibilityElementOperatorCallback> &callback, bool systemApi = false) override;
47 
48     RetError FocusMoveSearch(const int32_t accessibilityWindowId, const int64_t elementId, const int32_t direction,
49         const int32_t requestId, const sptr<IAccessibilityElementOperatorCallback> &callback,
50         bool systemApi = false) override;
51 
52     RetError EnableScreenCurtain(bool isEnable) override;
53 
54     RetError HoldRunningLock() override;
55 
56     RetError UnholdRunningLock() override;
57 
58     RetError ExecuteAction(const int32_t accessibilityWindowId, const int64_t elementId, const int32_t action,
59         const std::map<std::string, std::string> &actionArguments, const int32_t requestId,
60         const sptr<IAccessibilityElementOperatorCallback> &callback) override;
61 
62     RetError GetWindow(const int32_t windowId, AccessibilityWindowInfo &windowInfo) override;
63 
64     RetError GetWindows(std::vector<AccessibilityWindowInfo> &windows, bool systemApi = false) override;
65 
66     RetError GetWindowsByDisplayId(const uint64_t displayId, std::vector<AccessibilityWindowInfo> &windows,
67         bool systemApi = false) override;
68 
69     void SetOnKeyPressEventResult(const bool handled, const int32_t sequence) override;
70 
71     RetError SendSimulateGesture(const std::shared_ptr<AccessibilityGestureInjectPath>& gesturePath) override;
72 
73     RetError SetTargetBundleName(const std::vector<std::string> &targetBundleNames) override;
74 
75     RetError GetCursorPosition(const int32_t accessibilityWindowId, const int64_t elementId, const int32_t requestId,
76     const sptr<IAccessibilityElementOperatorCallback> &callback) override;
77 
78     void SetFocusWindowIdAndElementId(const int32_t accessibilityWindowId,
79     const int64_t elementId, const int32_t action);
80 
81     RetError SetIsRegisterDisconnectCallback(bool isRegister) override;
82 
83     RetError NotifyDisconnect() override;
84 
85     RetError ConfigureEvents(const std::vector<uint32_t> needEvents) override;
86 
87     void SearchElementInfoBySpecificProperty(const ElementBasicInfo elementBasicInfo,
88         const SpecificPropertyParam& param, const int32_t requestId,
89         const sptr<IAccessibilityElementOperatorCallback> &callback) override;
90 
91 private:
92     static sptr<AccessibleAbilityConnection> GetConnection(int32_t accountId, const std::string &clientName);
93     static RetError GetElementOperator(int32_t accountId, int32_t windowId, int32_t focusType,
94         const std::string &clientName, sptr<IAccessibilityElementOperator> &elementOperator, const int32_t treeId);
95     static bool CheckWinFromAwm(const int32_t windowId);
96     RetError GetWindows(
97         uint64_t displayId, std::vector<AccessibilityWindowInfo>& windows, bool systemApi = false) const;
98     RetError TransmitActionToMmi(const int32_t action);
99     static void SetKeyCodeToMmi(std::shared_ptr<MMI::KeyEvent>& keyEvent, const bool isPress,
100         const int32_t keyCode);
101     RetError ExecuteActionAsync(const int32_t accessibilityWindowId, const int64_t elementId, const int32_t action,
102         const std::map<std::string, std::string> &actionArguments, const int32_t requestId,
103         const sptr<IAccessibilityElementOperatorCallback> &callback);
104     std::string clientName_ = "";
105     int32_t accountId_ = -1;
106     std::shared_ptr<AppExecFwk::EventHandler> eventHandler_ = nullptr;
107 };
108 } // namespace Accessibility
109 } // namespace OHOS
110 #endif // ACCESSIBLE_ABILITY_CHANNEL_H