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 "audio_volume_key_event_napi.h"
17
18 #include <uv.h>
19
20 #include "media_log.h"
21
22 using namespace std;
23 namespace {
24 const std::string VOLUME_KEY_EVENT_CALLBACK_NAME = "volumeChange";
25 }
26 namespace OHOS {
27 namespace AudioStandard {
AudioVolumeKeyEventNapi(napi_env env)28 AudioVolumeKeyEventNapi::AudioVolumeKeyEventNapi(napi_env env)
29 :env_(env)
30 {
31 MEDIA_DEBUG_LOG("AudioVolumeKeyEventNapi::Constructor");
32 }
33
~AudioVolumeKeyEventNapi()34 AudioVolumeKeyEventNapi::~AudioVolumeKeyEventNapi()
35 {
36 MEDIA_DEBUG_LOG("AudioVolumeKeyEventNapi::Destructor");
37 }
38
OnVolumeKeyEvent(AudioStreamType streamType,int32_t volumeLevel,bool isUpdateUi)39 void AudioVolumeKeyEventNapi::OnVolumeKeyEvent(AudioStreamType streamType, int32_t volumeLevel, bool isUpdateUi)
40 {
41 std::lock_guard<std::mutex> lock(mutex_);
42 MEDIA_DEBUG_LOG("AudioVolumeKeyEventNapi: OnVolumeKeyEvent is called volumeLevel=%{public}d", volumeLevel);
43 MEDIA_DEBUG_LOG("AudioVolumeKeyEventNapi: isUpdateUi is called isUpdateUi=%{public}d", isUpdateUi);
44 if (audioVolumeKeyEventJsCallback_ == nullptr) {
45 MEDIA_DEBUG_LOG("AudioManagerCallbackNapi:No JS callback registered return");
46 return;
47 }
48 std::unique_ptr<AudioVolumeKeyEventJsCallback> cb = std::make_unique<AudioVolumeKeyEventJsCallback>();
49 CHECK_AND_RETURN_LOG(cb != nullptr, "No memory");
50 cb->callback = audioVolumeKeyEventJsCallback_;
51 cb->callbackName = VOLUME_KEY_EVENT_CALLBACK_NAME;
52 cb->volumeEvent.volumeType = streamType;
53 cb->volumeEvent.volume = volumeLevel;
54 cb->volumeEvent.updateUi = isUpdateUi;
55
56 return OnJsCallbackVolumeEvent(cb);
57 }
58
SaveCallbackReference(const std::string & callbackName,napi_value args)59 void AudioVolumeKeyEventNapi::SaveCallbackReference(const std::string &callbackName, napi_value args)
60 {
61 std::lock_guard<std::mutex> lock(mutex_);
62 napi_ref callback = nullptr;
63 const int32_t refCount = 1;
64 napi_status status = napi_create_reference(env_, args, refCount, &callback);
65 CHECK_AND_RETURN_LOG(status == napi_ok && callback != nullptr,
66 "AudioVolumeKeyEventNapi: creating reference for callback fail");
67 std::shared_ptr<VolumeKeyEventAutoRef> cb = std::make_shared<VolumeKeyEventAutoRef>(env_, callback);
68 if (callbackName == VOLUME_KEY_EVENT_CALLBACK_NAME) {
69 audioVolumeKeyEventJsCallback_ = cb;
70 } else {
71 MEDIA_ERR_LOG("AudioVolumeKeyEventNapi: Unknown callback type: %{public}s", callbackName.c_str());
72 }
73 }
74
SetValueInt32(const napi_env & env,const std::string & fieldStr,const int intValue,napi_value & result)75 static void SetValueInt32(const napi_env& env, const std::string& fieldStr, const int intValue, napi_value& result)
76 {
77 napi_value value = nullptr;
78 napi_create_int32(env, intValue, &value);
79 napi_set_named_property(env, result, fieldStr.c_str(), value);
80 }
81
SetValueBoolean(const napi_env & env,const std::string & fieldStr,const bool boolValue,napi_value & result)82 static void SetValueBoolean(const napi_env& env, const std::string& fieldStr, const bool boolValue, napi_value& result)
83 {
84 napi_value value = nullptr;
85 napi_get_boolean(env, boolValue, &value);
86 napi_set_named_property(env, result, fieldStr.c_str(), value);
87 }
88
GetJsAudioVolumeType(AudioStreamType streamType)89 static int32_t GetJsAudioVolumeType(AudioStreamType streamType)
90 {
91 int32_t nativeStreamType = static_cast<int32_t>(streamType);
92 int32_t result = AudioManagerNapi::VOLUMETYPE_DEFAULT;
93 switch (nativeStreamType) {
94 case AudioStreamType::STREAM_MUSIC:
95 result = AudioManagerNapi::MEDIA;
96 break;
97 case AudioStreamType::STREAM_VOICE_CALL:
98 result = AudioManagerNapi::VOICE_CALL;
99 break;
100 case AudioStreamType::STREAM_RING:
101 result = AudioManagerNapi::RINGTONE;
102 break;
103 case AudioStreamType::STREAM_VOICE_ASSISTANT:
104 result = AudioManagerNapi::VOICE_ASSISTANT;
105 break;
106 default:
107 result = AudioManagerNapi::VOLUMETYPE_DEFAULT;
108 break;
109 }
110 return result;
111 }
112
NativeVolumeEventToJsObj(const napi_env & env,napi_value & jsObj,const VolumeEvent & volumeEvent)113 static void NativeVolumeEventToJsObj(const napi_env& env, napi_value& jsObj,
114 const VolumeEvent& volumeEvent)
115 {
116 napi_create_object(env, &jsObj);
117 SetValueInt32(env, "volumeType", GetJsAudioVolumeType(volumeEvent.volumeType), jsObj);
118 SetValueInt32(env, "volume", static_cast<int32_t>(volumeEvent.volume), jsObj);
119 SetValueBoolean(env, "updateUi", volumeEvent.updateUi, jsObj);
120 }
121
OnJsCallbackVolumeEvent(std::unique_ptr<AudioVolumeKeyEventJsCallback> & jsCb)122 void AudioVolumeKeyEventNapi::OnJsCallbackVolumeEvent(std::unique_ptr<AudioVolumeKeyEventJsCallback> &jsCb)
123 {
124 MEDIA_INFO_LOG("AudioVolumeKeyEventNapi:OnJsCallbackVolumeEvent");
125 uv_loop_s *loop = nullptr;
126 napi_get_uv_event_loop(env_, &loop);
127 if (loop == nullptr) {
128 return;
129 }
130
131 uv_work_t *work = new(std::nothrow) uv_work_t;
132 if (work == nullptr) {
133 MEDIA_ERR_LOG("AudioVolumeKeyEventNapi: OnJsCallBackInterrupt: No memory");
134 return;
135 }
136 if (jsCb.get() == nullptr) {
137 MEDIA_ERR_LOG("AudioVolumeKeyEventNapi: OnJsCallBackInterrupt: jsCb.get() is null");
138 delete work;
139 return;
140 }
141 work->data = reinterpret_cast<void *>(jsCb.get());
142
143 int ret = uv_queue_work(loop, work, [] (uv_work_t *work) {}, [] (uv_work_t *work, int status) {
144 // Js Thread
145 AudioVolumeKeyEventJsCallback *event = reinterpret_cast<AudioVolumeKeyEventJsCallback *>(work->data);
146 std::string request = event->callbackName;
147 napi_env env = event->callback->env_;
148 napi_ref callback = event->callback->cb_;
149 MEDIA_DEBUG_LOG("AudioVolumeKeyEventNapi: JsCallBack %{public}s, uv_queue_work start", request.c_str());
150 do {
151 CHECK_AND_BREAK_LOG(status != UV_ECANCELED, "%{public}s canceled", request.c_str());
152
153 napi_value jsCallback = nullptr;
154 napi_status nstatus = napi_get_reference_value(env, callback, &jsCallback);
155 CHECK_AND_BREAK_LOG(nstatus == napi_ok && jsCallback != nullptr, "%{public}s get reference value fail",
156 request.c_str());
157
158 // Call back function
159 napi_value args[1] = { nullptr };
160 NativeVolumeEventToJsObj(env, args[0], event->volumeEvent);
161 CHECK_AND_BREAK_LOG(nstatus == napi_ok && args[0] != nullptr,
162 "%{public}s fail to create Interrupt callback", request.c_str());
163
164 const size_t argCount = 1;
165 napi_value result = nullptr;
166 nstatus = napi_call_function(env, nullptr, jsCallback, argCount, args, &result);
167 CHECK_AND_BREAK_LOG(nstatus == napi_ok, "%{public}s fail to call Interrupt callback", request.c_str());
168 } while (0);
169 delete event;
170 delete work;
171 });
172 if (ret != 0) {
173 MEDIA_ERR_LOG("Failed to execute libuv work queue");
174 delete work;
175 } else {
176 jsCb.release();
177 }
178 }
179 } // namespace AudioStandard
180 } // namespace OHOS
181