1 /*
2 * Copyright (C) 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 <cstdio>
17 #include <cstring>
18 #include <pthread.h>
19 #include <unistd.h>
20
21 #include "hilog_wrapper.h"
22 #include "napi_accessibility_event_info.h"
23 #include "napi_accessibility_system_ability_client.h"
24 #include "napi/native_api.h"
25 #include "napi/native_node_api.h"
26
27 EXTERN_C_START
Cleanup(void * data)28 static void Cleanup(void *data)
29 {
30 HILOG_INFO("cleanup hook");
31 if (NAccessibilityClient::accessibilityStateListeners_) {
32 NAccessibilityClient::accessibilityStateListeners_->UnsubscribeFromFramework();
33 }
34 if (NAccessibilityClient::touchGuideStateListeners_) {
35 NAccessibilityClient::touchGuideStateListeners_->UnsubscribeFromFramework();
36 }
37 if (NAccessibilityClient::screenReaderStateListeners_) {
38 NAccessibilityClient::screenReaderStateListeners_->UnsubscribeFromFramework();
39 }
40 if (NAccessibilityClient::captionListeners_) {
41 NAccessibilityClient::captionListeners_->UnsubscribeFromFramework();
42 }
43 }
44 /*
45 * function for module exports
46 */
Init(napi_env env,napi_value exports)47 static napi_value Init(napi_env env, napi_value exports)
48 {
49 napi_property_descriptor desc[] = {
50 DECLARE_NAPI_FUNCTION("isOpenAccessibility", NAccessibilityClient::IsOpenAccessibility),
51 DECLARE_NAPI_FUNCTION("isOpenAccessibilitySync", NAccessibilityClient::IsOpenAccessibilitySync),
52 DECLARE_NAPI_FUNCTION("isOpenTouchGuide", NAccessibilityClient::IsOpenTouchExploration),
53 DECLARE_NAPI_FUNCTION("isOpenTouchGuideSync", NAccessibilityClient::IsOpenTouchExplorationSync),
54 DECLARE_NAPI_FUNCTION("isScreenReaderOpenSync", NAccessibilityClient::IsScreenReaderOpenSync),
55 DECLARE_NAPI_FUNCTION("getAbilityLists", NAccessibilityClient::GetAbilityList),
56 DECLARE_NAPI_FUNCTION("getAccessibilityExtensionList", NAccessibilityClient::GetAccessibilityExtensionList),
57 DECLARE_NAPI_FUNCTION("getAccessibilityExtensionListSync",
58 NAccessibilityClient::GetAccessibilityExtensionListSync),
59 DECLARE_NAPI_FUNCTION("on", NAccessibilityClient::SubscribeState),
60 DECLARE_NAPI_FUNCTION("off", NAccessibilityClient::UnsubscribeState),
61 DECLARE_NAPI_FUNCTION("sendEvent", NAccessibilityClient::SendEvent),
62 DECLARE_NAPI_FUNCTION("sendAccessibilityEvent", NAccessibilityClient::SendAccessibilityEvent),
63 DECLARE_NAPI_FUNCTION("getCaptionsManager", NAccessibilityClient::GetCaptionsManager),
64 };
65
66 NAPI_CALL(env, napi_define_properties(env, exports, sizeof(desc) / sizeof(desc[0]), desc));
67
68 auto &instance = OHOS::AccessibilityConfig::AccessibilityConfig::GetInstance();
69 (void)instance.InitializeContext();
70 NAccessibilityClient::DefineJSCaptionsManager(env);
71 NAccessibilityClient::DefineJSCaptionsStyle(env);
72 NAccessibilityEventInfo::DefineJSAccessibilityEventInfo(env, exports);
73 NAccessibilityClient::accessibilityStateListeners_->SubscribeToFramework();
74 NAccessibilityClient::touchGuideStateListeners_->SubscribeToFramework();
75 NAccessibilityClient::screenReaderStateListeners_->SubscribeToFramework();
76 NAccessibilityClient::captionListeners_->SubscribeToFramework();
77 napi_status status = napi_add_env_cleanup_hook(env, Cleanup, &NAccessibilityClient::accessibilityStateListeners_);
78 if (status != napi_ok) {
79 HILOG_WARN("add cleanup hook failed %{public}d", status);
80 }
81 HILOG_INFO("-----Init end------");
82 return exports;
83 }
84 EXTERN_C_END
85
86 /*
87 * Module define
88 */
89 static napi_module _module = {
90 .nm_version = 1,
91 .nm_flags = 0,
92 .nm_filename = nullptr,
93 .nm_register_func = Init,
94 .nm_modname = "accessibility",
95 .nm_priv = ((void*)0),
96 .reserved = {0},
97 };
98 /*
99 * Module register function
100 */
RegisterNapiAccessibilityModule(void)101 extern "C" __attribute__((constructor)) void RegisterNapiAccessibilityModule(void)
102 {
103 napi_module_register(&_module);
104 }
105