1 /*
2 * Copyright (c) 2023 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 "touch_screen.h"
17
18 #include "platform/common/rs_log.h"
19
20 namespace OHOS {
21 namespace Rosen {
22 namespace {
23 constexpr std::string_view TOUCHSCREEN_WRAPPER_PATH = "libthp_extra_innerapi.z.so";
24
25 template<typename Handle>
GetHandleBySymbol(void * dlHandle,Handle & handle,const char * symbol)26 void GetHandleBySymbol(void* dlHandle, Handle& handle, const char* symbol)
27 {
28 handle = reinterpret_cast<Handle>(dlsym(dlHandle, symbol));
29 if (handle == nullptr) {
30 RS_LOGE("touch screen get handle by %{public}s failed, error: %{public}s",
31 symbol, dlerror());
32 } else {
33 RS_LOGI("touch screen get handle by %{public}s success", symbol);
34 }
35 }
36 } // namespace
37
TouchScreen()38 TouchScreen::TouchScreen() {}
~TouchScreen()39 TouchScreen::~TouchScreen()
40 {
41 if (touchScreenHandle_ != nullptr) {
42 dlclose(touchScreenHandle_);
43 touchScreenHandle_ = nullptr;
44 setFeatureConfigHandle_ = nullptr;
45 setAftConfigHandle_ = nullptr;
46 }
47 }
48
InitTouchScreen()49 void TouchScreen::InitTouchScreen()
50 {
51 touchScreenHandle_ = dlopen(TOUCHSCREEN_WRAPPER_PATH.data(), RTLD_NOW);
52 if (touchScreenHandle_ == nullptr) {
53 RS_LOGE("%{public}s load library failed, error: %{public}s", __func__, dlerror());
54 return;
55 }
56
57 GetHandleBySymbol(touchScreenHandle_, setFeatureConfigHandle_, "SetFeatureConfig");
58 GetHandleBySymbol(touchScreenHandle_, setAftConfigHandle_, "SetAftConfig");
59 }
60 } // namespace Rosen
61 } // namespace OHOS
62