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 using namespace OHOS::HiviewDFX;
22 namespace OHOS {
23 namespace MMI {
24 namespace {
25 std::shared_ptr<KeyboardInject> g_instance = nullptr;
26 constexpr OHOS::HiviewDFX::HiLogLabel LABEL = { LOG_CORE, MMI_LOG_DOMAIN, "keyBoardInject" };
27 constexpr int32_t INPUT_KEY_BACK = 2;
28 constexpr int32_t LINUX_KEY_BACK = 158;
29 } // namespace
30 std::mutex KeyboardInject::mutex_;
31 std::unique_ptr<VirtualKeyboard> g_pKeyboard = nullptr;
32 std::unique_ptr<InjectThread> KeyboardInject::injectThread_ = nullptr;
33
KeyboardInject()34 KeyboardInject::KeyboardInject()
35 {
36 std::lock_guard<std::mutex> keyboardLock(mutex_);
37 auto it = keyCodeMap_.find(INPUT_KEY_BACK);
38 if (it == keyCodeMap_.end()) {
39 auto ret = keyCodeMap_.insert(std::make_pair(INPUT_KEY_BACK, LINUX_KEY_BACK));
40 MMI_HILOGD("ret.second:%{public}d", ret.second);
41 }
42 injectThread_ = std::make_unique<InjectThread>();
43 g_pKeyboard = std::make_unique<VirtualKeyboard>();
44 g_pKeyboard->SetUp();
45 }
46
~KeyboardInject()47 KeyboardInject::~KeyboardInject() {}
48
InjectKeyEvent(uint16_t code,uint32_t value) const49 void KeyboardInject::InjectKeyEvent(uint16_t code, uint32_t value) const
50 {
51 std::lock_guard<std::mutex> keyboardLock(mutex_);
52 auto it = keyCodeMap_.find(code);
53 if (it == keyCodeMap_.end()) {
54 return;
55 }
56 InjectInputEvent injectInputEvent = { injectThread_->KEYBOARD_DEVICE_ID, EV_KEY, it->second, value };
57 injectThread_->WaitFunc(injectInputEvent);
58 InjectInputEvent injectInputSync = { injectThread_->KEYBOARD_DEVICE_ID, EV_SYN, SYN_REPORT, 0 };
59 injectThread_->WaitFunc(injectInputSync);
60 }
61 } // namespace MMI
62 } // namespace OHOS
63