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 #include "action_volume.h"
16
17 #include <algorithm>
18 #include "audio_system_manager.h"
19 #include "audio_stream_manager.h"
20 #include "file_operation.h"
21 #include "thermal_hisysevent.h"
22 #include "thermal_service.h"
23 #include "securec.h"
24 #include "string_operation.h"
25
26 using namespace OHOS::AudioStandard;
27 namespace OHOS {
28 namespace PowerMgr {
29 namespace {
30 auto g_service = DelayedSpSingleton<ThermalService>::GetInstance();
31 constexpr const char* VOLUME_PATH = "/data/service/el0/thermal/config/volume";
32 const int MAX_PATH = 256;
33 std::vector<ActionItem> g_actionInfo;
34 }
ActionVolume(const std::string & actionName)35 ActionVolume::ActionVolume(const std::string& actionName)
36 {
37 actionName_ = actionName;
38 }
39
InitParams(const std::string & params)40 void ActionVolume::InitParams(const std::string& params)
41 {
42 }
43
SetStrict(bool flag)44 void ActionVolume::SetStrict(bool flag)
45 {
46 flag_ = flag;
47 }
48
SetEnableEvent(bool enable)49 void ActionVolume::SetEnableEvent(bool enable)
50 {
51 enableEvent_ = enable;
52 }
53
AddActionValue(std::string value)54 void ActionVolume::AddActionValue(std::string value)
55 {
56 if (value.empty()) {
57 return;
58 }
59 valueList_.push_back(atof(value.c_str()));
60 }
61
Execute()62 void ActionVolume::Execute()
63 {
64 THERMAL_HILOGD(COMP_SVC, "Enter");
65 THERMAL_RETURN_IF (g_service == nullptr);
66 float value;
67 std::string scene = g_service->GetScene();
68 auto iter = g_sceneMap.find(scene);
69 if (iter != g_sceneMap.end()) {
70 value = static_cast<float>(atoi(iter->second.c_str()));
71 if ((value != lastValue_) && (!g_service->GetSimulationXml())) {
72 VolumeRequest(value);
73 } else if (value != lastValue_) {
74 VolumeExecution(value);
75 } else {
76 THERMAL_HILOGD(COMP_SVC, "value is not change");
77 }
78 WriteActionTriggeredHiSysEventWithRatio(enableEvent_, actionName_, value);
79 g_service->GetObserver()->SetDecisionValue(actionName_, iter->second);
80 lastValue_ = value;
81 return;
82 }
83
84 if (valueList_.empty()) {
85 value = 0.0;
86 } else {
87 if (flag_) {
88 value = *max_element(valueList_.begin(), valueList_.end());
89 } else {
90 value = *min_element(valueList_.begin(), valueList_.end());
91 }
92 valueList_.clear();
93 }
94 if (value != lastValue_) {
95 if (!g_service->GetSimulationXml()) {
96 VolumeRequest(value);
97 } else {
98 VolumeExecution(value);
99 }
100 WriteActionTriggeredHiSysEventWithRatio(enableEvent_, actionName_, value);
101 g_service->GetObserver()->SetDecisionValue(actionName_, std::to_string(value));
102 lastValue_ = value;
103 }
104 }
105
VolumeRequest(float volume)106 int32_t ActionVolume::VolumeRequest(float volume)
107 {
108 THERMAL_HILOGD(COMP_SVC, "Enter");
109 std::string uid;
110 std::vector<std::string> uidList;
111 g_actionInfo = g_service->GetActionManagerObj()->GetActionItem();
112 const auto& item = std::find_if(g_actionInfo.begin(), g_actionInfo.end(), [](auto& info) {
113 return info.name == "volume";
114 });
115 uid = (item != g_actionInfo.end()) ? item->uid : uid;
116
117 StringOperation::SplitString(uid, uidList, ",");
118 std::vector<std::unique_ptr<AudioRendererChangeInfo>> audioInfos;
119 auto instance = AudioStreamManager::GetInstance();
120 int32_t ret = -1;
121 if (instance == nullptr) {
122 THERMAL_HILOGW(COMP_SVC, "instance is nullptr");
123 return ret;
124 }
125
126 ret = instance->GetCurrentRendererChangeInfos(audioInfos);
127 if (ret < ERR_OK) {
128 return ret;
129 }
130 if (audioInfos.size() <= 0) {
131 THERMAL_HILOGD(COMP_SVC, "audioRendererChangeInfos: No Active Streams");
132 return ERR_OK;
133 }
134 for (auto info = audioInfos.begin(); info != audioInfos.end(); ++info) {
135 std::vector<std::string>::iterator it = find(uidList.begin(), uidList.end(),
136 std::to_string(info->get()->clientUID));
137 if (it != uidList.end()) {
138 int32_t streamId = info->get()->sessionId;
139 ret = AudioSystemManager::GetInstance()->SetLowPowerVolume(streamId, volume);
140 if (ret < ERR_OK) {
141 return ret;
142 }
143 }
144 }
145 return ERR_OK;
146 }
147
VolumeExecution(float volume)148 int32_t ActionVolume::VolumeExecution(float volume)
149 {
150 THERMAL_HILOGD(COMP_SVC, "Enter");
151 int32_t ret = -1;
152 char buf[MAX_PATH] = {0};
153 ret = snprintf_s(buf, MAX_PATH, sizeof(buf) - 1, VOLUME_PATH);
154 if (ret < ERR_OK) {
155 return ret;
156 }
157 std::string valueString = std::to_string(volume) + "\n";
158 ret = FileOperation::WriteFile(buf, valueString, valueString.length());
159 if (ret != ERR_OK) {
160 return ret;
161 }
162 return ERR_OK;
163 }
164 } // namespace PowerMgr
165 } // namespace OHOS
166