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 "keyboard_inject.h"
17
18 #include "linux/input-event-codes.h"
19 #include "mmi_log.h"
20
21 #undef MMI_LOG_TAG
22 #define MMI_LOG_TAG "keyBoardInject"
23
24 using namespace OHOS::HiviewDFX;
25 namespace OHOS {
26 namespace MMI {
27 namespace {
28 std::shared_ptr<KeyboardInject> g_instance = nullptr;
29 constexpr int32_t INPUT_KEY_BACK { 2 };
30 constexpr int32_t LINUX_KEY_BACK { 158 };
31 } // namespace
32 std::mutex KeyboardInject::mutex_;
33 std::unique_ptr<VirtualKeyboard> g_pKeyboard = nullptr;
34 std::unique_ptr<InjectThread> KeyboardInject::injectThread_ = nullptr;
35
KeyboardInject()36 KeyboardInject::KeyboardInject()
37 {
38 std::lock_guard<std::mutex> keyboardLock(mutex_);
39 auto it = keyCodeMap_.find(INPUT_KEY_BACK);
40 if (it == keyCodeMap_.end()) {
41 auto ret = keyCodeMap_.insert(std::make_pair(INPUT_KEY_BACK, LINUX_KEY_BACK));
42 MMI_HILOGD("ret.second:%{public}d", ret.second);
43 }
44 injectThread_ = std::make_unique<InjectThread>();
45 g_pKeyboard = std::make_unique<VirtualKeyboard>();
46 g_pKeyboard->SetUp();
47 }
48
~KeyboardInject()49 KeyboardInject::~KeyboardInject() {}
50
InjectKeyEvent(uint16_t code,uint32_t value) const51 void KeyboardInject::InjectKeyEvent(uint16_t code, uint32_t value) const
52 {
53 std::lock_guard<std::mutex> keyboardLock(mutex_);
54 auto it = keyCodeMap_.find(code);
55 if (it == keyCodeMap_.end()) {
56 return;
57 }
58 InjectInputEvent injectInputEvent = { injectThread_->KEYBOARD_DEVICE_ID, EV_KEY, it->second, value };
59 injectThread_->WaitFunc(injectInputEvent);
60 InjectInputEvent injectInputSync = { injectThread_->KEYBOARD_DEVICE_ID, EV_SYN, SYN_REPORT, 0 };
61 injectThread_->WaitFunc(injectInputSync);
62 }
63 } // namespace MMI
64 } // namespace OHOS
65