| /* |
| * Copyright (C) 2020 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "chre/core/settings.h" |
| |
| #include <cstddef> |
| |
| #include "chre/core/event_loop_manager.h" |
| #include "chre/platform/log.h" |
| #include "chre/util/nested_data_ptr.h" |
| |
| namespace chre { |
| |
| namespace { |
| |
| //! The current state for each setting. |
| SettingState gSettingStateList[static_cast<size_t>(Setting::SETTING_MAX)]; |
| |
| /** |
| * @param setting The setting to get the index for. |
| * @param index A non-null pointer to store the index. |
| * |
| * @return false if the setting was invalid. |
| */ |
| bool getIndexForSetting(Setting setting, size_t *index) { |
| if (setting < Setting::SETTING_MAX) { |
| *index = static_cast<size_t>(setting); |
| return true; |
| } |
| |
| return false; |
| } |
| |
| void setSettingState(Setting setting, SettingState state) { |
| size_t index; |
| if (!getIndexForSetting(setting, &index)) { |
| LOGE("Unknown setting %" PRIu8, static_cast<uint8_t>(setting)); |
| } else { |
| gSettingStateList[index] = state; |
| } |
| } |
| |
| const char *getSettingStateString(Setting setting) { |
| switch (getSettingState(Setting::LOCATION)) { |
| case SettingState::ENABLED: |
| return "enabled"; |
| break; |
| case SettingState::DISABLED: |
| return "disabled"; |
| break; |
| default: |
| break; |
| } |
| |
| return "unknown"; |
| } |
| |
| } // anonymous namespace |
| |
| void postSettingChange(Setting setting, SettingState state) { |
| LOGD("Posting setting change: setting type %" PRIu8 " state %" PRIu8, |
| static_cast<uint8_t>(setting), static_cast<uint8_t>(state)); |
| struct SettingChange { |
| Setting setting; |
| SettingState state; |
| |
| SettingChange(Setting setting, SettingState state) { |
| this->setting = setting; |
| this->state = state; |
| } |
| }; |
| |
| NestedDataPtr<SettingChange> nestedPtr(SettingChange(setting, state)); |
| |
| auto callback = [](uint16_t /* type */, void *data) { |
| NestedDataPtr<SettingChange> setting; |
| setting.dataPtr = data; |
| setSettingState(setting.data.setting, setting.data.state); |
| #ifdef CHRE_GNSS_SUPPORT_ENABLED |
| EventLoopManagerSingleton::get()->getGnssManager().onSettingChanged( |
| setting.data.setting, setting.data.state); |
| #endif // CHRE_GNSS_SUPPORT_ENABLED |
| }; |
| |
| EventLoopManagerSingleton::get()->deferCallback( |
| SystemCallbackType::SettingChangeEvent, nestedPtr.dataPtr, callback); |
| } |
| |
| SettingState getSettingState(Setting setting) { |
| size_t index; |
| if (getIndexForSetting(setting, &index)) { |
| return gSettingStateList[index]; |
| } |
| |
| LOGE("Unknown setting %" PRIu8, static_cast<uint8_t>(setting)); |
| return SettingState::SETTING_STATE_MAX; |
| } |
| |
| void logSettingStateToBuffer(DebugDumpWrapper &debugDump) { |
| debugDump.print("\nSettings:"); |
| debugDump.print("\n Location %s", getSettingStateString(Setting::LOCATION)); |
| } |
| |
| } // namespace chre |