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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 #include "input_event_callback.h"
17 #include "inputmethod_sysevent.h"
18 
19 namespace OHOS {
20 namespace MiscServices {
21 using namespace MMI;
GetInstance()22 KeyboardEvent &KeyboardEvent::GetInstance()
23 {
24     static KeyboardEvent keyboardEvent;
25     return keyboardEvent;
26 }
27 
AddKeyEventMonitor(KeyHandle handle)28 int32_t KeyboardEvent::AddKeyEventMonitor(KeyHandle handle)
29 {
30     IMSA_HILOGI("KeyboardEvent::AddKeyEventMonitor start.");
31     std::shared_ptr<InputEventCallback> callback = std::make_shared<InputEventCallback>();
32     callback->SetKeyHandle(handle);
33     auto manager = InputManager::GetInstance();
34     if (manager == nullptr) {
35         return ErrorCode::ERROR_NULL_POINTER;
36     }
37     int32_t monitorId = manager->AddMonitor([callback](std::shared_ptr<MMI::KeyEvent> keyEvent) {
38         if (callback == nullptr) {
39             IMSA_HILOGE("callback is nullptr!");
40             return;
41         }
42         callback->OnInputEvent(keyEvent);
43     });
44     if (monitorId < 0) {
45         IMSA_HILOGE("add monitor failed, id: %{public}d!", monitorId);
46         return ErrorCode::ERROR_SUBSCRIBE_KEYBOARD_EVENT;
47     }
48     IMSA_HILOGD("add monitor success, id: %{public}d.", monitorId);
49 
50     CombinationKeyCallBack combinationKeyCallBack = [callback](std::shared_ptr<MMI::KeyEvent> keyEvent) {
51         InputMethodSysEvent::GetInstance().ReportSystemShortCut("usual.event.WIN_SPACE");
52         if (callback == nullptr) {
53             IMSA_HILOGE("callback is nullptr!");
54             return;
55         }
56         callback->TriggerSwitch();
57     };
58     SubscribeCombinationKey(
59         MMI::KeyEvent::KEYCODE_META_LEFT, MMI::KeyEvent::KEYCODE_SPACE, combinationKeyCallBack, true);
60     SubscribeCombinationKey(
61         MMI::KeyEvent::KEYCODE_META_RIGHT, MMI::KeyEvent::KEYCODE_SPACE, combinationKeyCallBack, true);
62 
63     CombinationKeyCallBack ctrlShiftCallBack = [callback](std::shared_ptr<MMI::KeyEvent> keyEvent) {
64         InputMethodSysEvent::GetInstance().ReportSystemShortCut("usual.event.CTRL_SHIFT");
65         if (callback == nullptr) {
66             IMSA_HILOGE("callback is nullptr!");
67             return;
68         }
69         callback->TriggerSwitch();
70     };
71 
72     SubscribeCombinationKey(MMI::KeyEvent::KEYCODE_CTRL_LEFT, MMI::KeyEvent::KEYCODE_SHIFT_LEFT, ctrlShiftCallBack);
73     SubscribeCombinationKey(MMI::KeyEvent::KEYCODE_CTRL_LEFT, MMI::KeyEvent::KEYCODE_SHIFT_RIGHT, ctrlShiftCallBack);
74     SubscribeCombinationKey(MMI::KeyEvent::KEYCODE_CTRL_RIGHT, MMI::KeyEvent::KEYCODE_SHIFT_LEFT, ctrlShiftCallBack);
75     SubscribeCombinationKey(MMI::KeyEvent::KEYCODE_CTRL_RIGHT, MMI::KeyEvent::KEYCODE_SHIFT_RIGHT, ctrlShiftCallBack);
76     SubscribeCombinationKey(MMI::KeyEvent::KEYCODE_SHIFT_LEFT, MMI::KeyEvent::KEYCODE_CTRL_LEFT, ctrlShiftCallBack);
77     SubscribeCombinationKey(MMI::KeyEvent::KEYCODE_SHIFT_RIGHT, MMI::KeyEvent::KEYCODE_CTRL_LEFT, ctrlShiftCallBack);
78     SubscribeCombinationKey(MMI::KeyEvent::KEYCODE_SHIFT_LEFT, MMI::KeyEvent::KEYCODE_CTRL_RIGHT, ctrlShiftCallBack);
79     SubscribeCombinationKey(MMI::KeyEvent::KEYCODE_SHIFT_RIGHT, MMI::KeyEvent::KEYCODE_CTRL_RIGHT, ctrlShiftCallBack);
80     return ErrorCode::NO_ERROR;
81 }
82 
SubscribeCombinationKey(int32_t preKey,int32_t finalKey,CombinationKeyCallBack callback,bool setFinalKeyDown)83 void KeyboardEvent::SubscribeCombinationKey(
84     int32_t preKey, int32_t finalKey, CombinationKeyCallBack callback, bool setFinalKeyDown)
85 {
86     std::shared_ptr<KeyOption> keyOption = std::make_shared<KeyOption>();
87     std::set<int32_t> preKeys;
88     preKeys.insert(preKey);
89     keyOption->SetPreKeys(preKeys);
90     keyOption->SetFinalKey(finalKey);
91     keyOption->SetFinalKeyDown(setFinalKeyDown);
92     // 0 means press delay 0 ms
93     keyOption->SetFinalKeyDownDuration(0);
94     auto manager = InputManager::GetInstance();
95     if (manager == nullptr) {
96         IMSA_HILOGE("manager is nullptr");
97         return;
98     }
99     int32_t subscribeId = manager->SubscribeKeyEvent(keyOption, callback);
100     if (subscribeId < 0) {
101         IMSA_HILOGE("failed to SubscribeKeyEvent, id: %{public}d preKey: %{public}d.", subscribeId, preKey);
102     }
103 }
104 } // namespace MiscServices
105 } // namespace OHOS