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 "i_accessibility_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) override;
35 
36     RetError SearchElementInfosByText(const int32_t accessibilityWindowId, const int64_t elementId,
37         const std::string &text, const int32_t requestId,
38         const sptr<IAccessibilityElementOperatorCallback> &callback) override;
39 
40     RetError FindFocusedElementInfo(const int32_t accessibilityWindowId, const int64_t elementId,
41         const int32_t focusType, const int32_t requestId,
42         const sptr<IAccessibilityElementOperatorCallback> &callback) override;
43 
44     RetError FocusMoveSearch(const int32_t accessibilityWindowId, const int64_t elementId, const int32_t direction,
45         const int32_t requestId, const sptr<IAccessibilityElementOperatorCallback> &callback) override;
46 
47     RetError EnableScreenCurtain(bool isEnable) override;
48 
49     RetError ExecuteAction(const int32_t accessibilityWindowId, const int64_t elementId, const int32_t action,
50         const std::map<std::string, std::string> &actionArguments, const int32_t requestId,
51         const sptr<IAccessibilityElementOperatorCallback> &callback) override;
52 
53     RetError GetWindow(const int32_t windowId, AccessibilityWindowInfo &windowInfo) override;
54 
55     RetError GetWindows(std::vector<AccessibilityWindowInfo> &windows) override;
56 
57     RetError GetWindowsByDisplayId(const uint64_t displayId, std::vector<AccessibilityWindowInfo> &windows) override;
58 
59     void SetOnKeyPressEventResult(const bool handled, const int32_t sequence) override;
60 
61     RetError SendSimulateGesture(const std::shared_ptr<AccessibilityGestureInjectPath>& gesturePath) override;
62 
63     RetError SetTargetBundleName(const std::vector<std::string> &targetBundleNames) override;
64 
65     RetError GetCursorPosition(const int32_t accessibilityWindowId, const int64_t elementId, const int32_t requestId,
66     const sptr<IAccessibilityElementOperatorCallback> &callback) override;
67 
68     void SetFocusWindowIdAndElementId(const int32_t accessibilityWindowId,
69     const int64_t elementId, const int32_t action);
70 
71 private:
72     static sptr<AccessibleAbilityConnection> GetConnection(int32_t accountId, const std::string &clientName);
73     static RetError GetElementOperator(int32_t accountId, int32_t windowId, int32_t focusType,
74         const std::string &clientName, sptr<IAccessibilityElementOperator> &elementOperator, const int32_t treeId);
75     static bool CheckWinFromAwm(const int32_t windowId, const int32_t getElementOperatorResult);
76     RetError GetWindows(uint64_t displayId, std::vector<AccessibilityWindowInfo> &windows) const;
77     RetError TransmitActionToMmi(const int32_t action);
78     static void SetKeyCodeToMmi(std::shared_ptr<MMI::KeyEvent>& keyEvent, const bool isPress,
79         const int32_t keyCode);
80     std::string clientName_ = "";
81     int32_t accountId_ = -1;
82     std::shared_ptr<AppExecFwk::EventHandler> eventHandler_ = nullptr;
83 };
84 } // namespace Accessibility
85 } // namespace OHOS
86 #endif // ACCESSIBLE_ABILITY_CHANNEL_H