1 /*
2 * Copyright (c) 2021-2022 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 "core/event/key_event_recognizer.h"
17
18 #include <ctime>
19
20 #include "base/log/log.h"
21
22 namespace OHOS::Ace {
23 namespace {
24
25 constexpr int32_t LONG_PRESS_DURATION = 1;
26
27 }
28
GetKeyEvents(int32_t keyCode,int32_t keyAction,int32_t repeatTime,int64_t timeStamp,int64_t timeStampStart,int32_t metaKey,int32_t keySource,int64_t deviceId)29 std::vector<KeyEvent> KeyEventRecognizer::GetKeyEvents(int32_t keyCode, int32_t keyAction, int32_t repeatTime,
30 int64_t timeStamp, int64_t timeStampStart, int32_t metaKey, int32_t keySource, int64_t deviceId)
31 {
32 if (timeStamp == 0) {
33 timeStamp = clock();
34 }
35 std::vector<KeyEvent> keyEvents;
36 keyEvents.emplace_back(KeyEvent(static_cast<KeyCode>(keyCode), static_cast<KeyAction>(keyAction), repeatTime,
37 timeStamp, deviceId, static_cast<SourceType>(keySource)));
38 auto result = keyMap_.try_emplace(keyCode, false);
39 auto iter = result.first;
40
41 // Recognize long press event.
42 if ((keyAction == static_cast<int32_t>(KeyAction::DOWN)) && (repeatTime >= LONG_PRESS_DURATION) &&
43 (!iter->second)) {
44 LOGD("this event is long press, key code is %{public}d", keyCode);
45 iter->second = true;
46 keyEvents.emplace_back(KeyEvent(static_cast<KeyCode>(keyCode), KeyAction::LONG_PRESS, repeatTime, timeStamp,
47 deviceId, static_cast<SourceType>(keySource)));
48 }
49 // Recognize click event.
50 if (keyAction == static_cast<int32_t>(KeyAction::UP)) {
51 if (iter->second) {
52 iter->second = false;
53 } else {
54 LOGD("this event is click, key code is %{public}d", keyCode);
55 keyEvents.emplace_back(KeyEvent(static_cast<KeyCode>(keyCode), KeyAction::CLICK, repeatTime, timeStamp,
56 deviceId, static_cast<SourceType>(keySource)));
57 }
58 }
59 return keyEvents;
60 }
61
62 } // namespace OHOS::Ace
63