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
24using namespace OHOS::HiviewDFX;
25namespace OHOS {
26namespace MMI {
27namespace {
28std::shared_ptr<KeyboardInject> g_instance = nullptr;
29constexpr int32_t INPUT_KEY_BACK { 2 };
30constexpr int32_t LINUX_KEY_BACK { 158 };
31} // namespace
32std::mutex KeyboardInject::mutex_;
33std::unique_ptr<VirtualKeyboard> g_pKeyboard = nullptr;
34std::unique_ptr<InjectThread> KeyboardInject::injectThread_ = nullptr;
35
36KeyboardInject::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
49KeyboardInject::~KeyboardInject() {}
50
51void 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