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 #ifndef LOG_TAG
16 #define LOG_TAG "NapiAudioSessionCallback"
17 #endif
18
19 #include "napi_audio_session_callback.h"
20 #include "napi_param_utils.h"
21
22 namespace OHOS {
23 namespace AudioStandard {
24
NapiAudioSessionCallback(napi_env env)25 NapiAudioSessionCallback::NapiAudioSessionCallback(napi_env env)
26 :env_(env)
27 {
28 AUDIO_DEBUG_LOG("NapiAudioSessionCallback::Constructor");
29 }
30
~NapiAudioSessionCallback()31 NapiAudioSessionCallback::~NapiAudioSessionCallback()
32 {
33 AUDIO_DEBUG_LOG("NapiAudioSessionCallback::Destructor");
34 }
35
OnAudioSessionDeactive(const AudioSessionDeactiveEvent & deactiveEvent)36 void NapiAudioSessionCallback::OnAudioSessionDeactive(const AudioSessionDeactiveEvent &deactiveEvent)
37 {
38 AUDIO_INFO_LOG("OnAudioSessionDeactive is called AudioSessionDeactiveEvent=%{public}d",
39 deactiveEvent.deactiveReason);
40 CHECK_AND_RETURN_LOG(audioSessionJsCallback_ != nullptr,
41 "OnAudioSessionDeactive:No JS callback registered return");
42 std::unique_ptr<AudioSessionJsCallback> cb = std::make_unique<AudioSessionJsCallback>();
43 CHECK_AND_RETURN_LOG(cb != nullptr, "No memory");
44 cb->callback = audioSessionJsCallback_;
45 cb->callbackName = AUDIO_SESSION_CALLBACK_NAME;
46 cb->audioSessionDeactiveEvent.deactiveReason = deactiveEvent.deactiveReason;
47
48 return OnJsCallbackAudioSession(cb);
49 }
50
SaveCallbackReference(napi_value args)51 void NapiAudioSessionCallback::SaveCallbackReference(napi_value args)
52 {
53 std::lock_guard<std::mutex> lock(mutex_);
54 napi_ref callback = nullptr;
55 const int32_t refCount = 1;
56 napi_status status = napi_create_reference(env_, args, refCount, &callback);
57 CHECK_AND_RETURN_LOG(status == napi_ok && callback != nullptr,
58 "NapiAudioSessionCallback: creating reference for callback fail");
59 std::shared_ptr<AutoRef> cb = std::make_shared<AutoRef>(env_, callback);
60 audioSessionJsCallback_ = cb;
61 }
62
WorkCallbackAudioSessionChangeDone(uv_work_t * work,int status)63 void NapiAudioSessionCallback::WorkCallbackAudioSessionChangeDone(uv_work_t *work, int status)
64 {
65 std::shared_ptr<AudioSessionJsCallback> context(
66 static_cast<AudioSessionJsCallback*>(work->data),
67 [work](AudioSessionJsCallback* ptr) {
68 delete ptr;
69 delete work;
70 });
71 CHECK_AND_RETURN_LOG(work != nullptr, "work is nullptr");
72 AudioSessionJsCallback *event = reinterpret_cast<AudioSessionJsCallback *>(work->data);
73 CHECK_AND_RETURN_LOG(event != nullptr, "event is nullptr");
74 std::string request = event->callbackName;
75 CHECK_AND_RETURN_LOG(event->callback != nullptr, "event is nullptr");
76 napi_env env = event->callback->env_;
77 napi_ref callback = event->callback->cb_;
78 napi_handle_scope scope = nullptr;
79 napi_open_handle_scope(env, &scope);
80 CHECK_AND_RETURN_LOG(scope != nullptr, "scope is nullptr");
81 AUDIO_INFO_LOG("JsCallBack %{public}s, uv_queue_work_with_qos start", request.c_str());
82 do {
83 CHECK_AND_BREAK_LOG(status != UV_ECANCELED, "%{public}s canceled", request.c_str());
84
85 napi_value jsCallback = nullptr;
86 napi_status nstatus = napi_get_reference_value(env, callback, &jsCallback);
87 CHECK_AND_BREAK_LOG(nstatus == napi_ok && jsCallback != nullptr, "%{public}s get reference value fail",
88 request.c_str());
89
90 napi_value args[ARGS_ONE] = { nullptr };
91 NapiParamUtils::SetAudioSessionDeactiveEvent(env, event->audioSessionDeactiveEvent, args[PARAM0]);
92 CHECK_AND_BREAK_LOG(nstatus == napi_ok && args[PARAM0] != nullptr,
93 "%{public}s fail to SetAudioSessionDeactiveEvent callback", request.c_str());
94
95 const size_t argCount = ARGS_ONE;
96 napi_value result = nullptr;
97 nstatus = napi_call_function(env, nullptr, jsCallback, argCount, args, &result);
98 CHECK_AND_BREAK_LOG(nstatus == napi_ok, "%{public}s fail to call SetaudioSession callback",
99 request.c_str());
100 } while (0);
101 napi_close_handle_scope(env, scope);
102 }
103
OnJsCallbackAudioSession(std::unique_ptr<AudioSessionJsCallback> & jsCb)104 void NapiAudioSessionCallback::OnJsCallbackAudioSession(std::unique_ptr<AudioSessionJsCallback> &jsCb)
105 {
106 uv_loop_s *loop = nullptr;
107 napi_get_uv_event_loop(env_, &loop);
108 CHECK_AND_RETURN_LOG(loop != nullptr, "loop is nullptr");
109
110 uv_work_t *work = new(std::nothrow) uv_work_t;
111 CHECK_AND_RETURN_LOG(work != nullptr, "OnJsCallbackDeviceChange: No memory");
112
113 if (jsCb.get() == nullptr) {
114 AUDIO_ERR_LOG("OnJsCallbackDeviceChange: jsCb.get() is null");
115 delete work;
116 return;
117 }
118
119 work->data = reinterpret_cast<void *>(jsCb.get());
120 int ret = uv_queue_work_with_qos(loop, work, [] (uv_work_t *work) {}, WorkCallbackAudioSessionChangeDone,
121 uv_qos_default);
122 if (ret != 0) {
123 AUDIO_ERR_LOG("Failed to execute libuv work queue");
124 delete work;
125 } else {
126 jsCb.release();
127 }
128 }
129 } // namespace AudioStandard
130 } // namespace OHOS