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 "v1_0/hid_ddk_service.h"
17 #include <hdf_base.h>
18 #include <hdf_log.h>
19 #include "emit_event_manager.h"
20 #include "hid_ddk_permission.h"
21
22 #define HDF_LOG_TAG hid_ddk_service
23
24 namespace OHOS {
25 namespace HDI {
26 namespace Input {
27 namespace Ddk {
28 namespace V1_0 {
29 static const std::string PERMISSION_NAME = "ohos.permission.ACCESS_DDK_HID";
30
HidDdkImplGetInstance(void)31 extern "C" IHidDdk *HidDdkImplGetInstance(void)
32 {
33 return new (std::nothrow) HidDdkService();
34 }
35
CreateDevice(const Hid_Device & hidDevice,const Hid_EventProperties & hidEventProperties,uint32_t & deviceId)36 int32_t HidDdkService::CreateDevice(const Hid_Device &hidDevice,
37 const Hid_EventProperties &hidEventProperties, uint32_t &deviceId)
38 {
39 HDF_LOGI("%{public}s create device enter", __func__);
40 if (!DdkPermissionManager::VerifyPermission(PERMISSION_NAME)) {
41 HDF_LOGE("%{public}s: no permission", __func__);
42 return HDF_ERR_NOPERM;
43 }
44
45 int32_t ret = OHOS::ExternalDeviceManager::EmitEventManager::GetInstance()
46 .CreateDevice(hidDevice, hidEventProperties);
47 if (ret < 0) {
48 HDF_LOGE("%{public}s create device faild, ret=%{public}d", __func__, ret);
49 return ret;
50 }
51
52 deviceId = static_cast<uint32_t>(ret);
53 return Hid_DdkErrCode::HID_DDK_SUCCESS;
54 }
55
EmitEvent(uint32_t deviceId,const std::vector<Hid_EmitItem> & items)56 int32_t HidDdkService::EmitEvent(uint32_t deviceId, const std::vector<Hid_EmitItem> &items)
57 {
58 HDF_LOGI("%{public}s emit event enter, deviceId=%{public}d", __func__, deviceId);
59 if (!DdkPermissionManager::VerifyPermission(PERMISSION_NAME)) {
60 HDF_LOGE("%{public}s: no permission", __func__);
61 return HDF_ERR_NOPERM;
62 }
63
64 return OHOS::ExternalDeviceManager::EmitEventManager::GetInstance().EmitEvent(deviceId, items);
65 }
66
DestroyDevice(uint32_t deviceId)67 int32_t HidDdkService::DestroyDevice(uint32_t deviceId)
68 {
69 HDF_LOGI("%{public}s destroy device enter, deviceId=%{public}d", __func__, deviceId);
70 if (!DdkPermissionManager::VerifyPermission(PERMISSION_NAME)) {
71 HDF_LOGE("%{public}s: no permission", __func__);
72 return HDF_ERR_NOPERM;
73 }
74
75 return OHOS::ExternalDeviceManager::EmitEventManager::GetInstance().DestroyDevice(deviceId);
76 }
77
78 } // V1_0
79 } // Ddk
80 } // Input
81 } // HDI
82 } // OHOS
83