From a007b76ba99b0260dec94bfe1cb80dcb0af10d15 Mon Sep 17 00:00:00 2001
From: zsien <quezhiyong@deepin.org>
Date: Fri, 15 Nov 2024 16:01:14 +0800
Subject: [PATCH] feat: automatic switch power saving mode threshold

Task: https://pms.uniontech.com/task-view-368069.html
---
 system/power1/battery_display.go      |  3 +--
 system/power1/battery_display_test.go |  8 ++++----
 system/power1/manager.go              | 23 +++++++++++++++++++++--
 3 files changed, 26 insertions(+), 8 deletions(-)

diff --git a/system/power1/battery_display.go b/system/power1/battery_display.go
index 59a048004..59d6f831f 100644
--- a/system/power1/battery_display.go
+++ b/system/power1/battery_display.go
@@ -121,10 +121,9 @@ func (m *Manager) refreshBatteryDisplay() {
 	}
 }
 
-const lowBatteryThreshold = 20.0 // TODO dconfig
 func (m *Manager) changeBatteryLowByBatteryPercentage(percentage float64) {
 	logger.Debug("changeBatteryLowByBatteryPercentage, battery percentage: ", percentage)
-	batteryLow := percentage <= lowBatteryThreshold
+	batteryLow := percentage <= float64(m.PowerSavingModeAutoBatteryPercent)
 	if m.batteryLow != batteryLow {
 		m.batteryLow = batteryLow
 		m.updatePowerMode(false) // refresh battery percentage
diff --git a/system/power1/battery_display_test.go b/system/power1/battery_display_test.go
index 0619fe86e..296bd2f93 100644
--- a/system/power1/battery_display_test.go
+++ b/system/power1/battery_display_test.go
@@ -23,17 +23,17 @@ func Test_rightPercentage(t *testing.T) {
 func Test_changeBatteryLowByBatteryPercentage(t *testing.T) {
 	m := Manager{}
 
-	percentage := lowBatteryThreshold - 1
+	percentage := float64(m.PowerSavingModeAutoBatteryPercent - 1)
 	m.changeBatteryLowByBatteryPercentage(percentage)
 
-	percentage = lowBatteryThreshold + 1
+	percentage = float64(m.PowerSavingModeAutoBatteryPercent + 1)
 	m.changeBatteryLowByBatteryPercentage(percentage)
 
-	percentage = lowBatteryThreshold + 1
+	percentage = float64(m.PowerSavingModeAutoBatteryPercent + 1)
 	m.batteryLow = false
 	m.changeBatteryLowByBatteryPercentage(percentage)
 
-	percentage = lowBatteryThreshold + 1
+	percentage = float64(m.PowerSavingModeAutoBatteryPercent + 1)
 	m.batteryLow = true
 	m.changeBatteryLowByBatteryPercentage(percentage)
 }
diff --git a/system/power1/manager.go b/system/power1/manager.go
index 0ec39a05b..84517add3 100644
--- a/system/power1/manager.go
+++ b/system/power1/manager.go
@@ -7,6 +7,7 @@ package power
 import (
 	"encoding/json"
 	"errors"
+	"io/ioutil"
 	"os"
 	"sync"
 	"time"
@@ -81,6 +82,9 @@ type Manager struct {
 	// 开启节能模式时降低亮度的百分比值
 	PowerSavingModeBrightnessDropPercent uint32 `prop:"access:rw"`
 
+	// 开启自动节能模式电量的百分比值
+	PowerSavingModeAutoBatteryPercent uint32 `prop:"access:rw"`
+
 	// 开启节能模式时保存的数据
 	PowerSavingModeBrightnessData string `prop:"access:rw"`
 
@@ -271,6 +275,7 @@ func (m *Manager) initDsgConfig() error {
 		m.PowerSavingModeAuto = cfg.PowerSavingModeAuto                                   // 自动切换节能模式，依据为是否插拔电源
 		m.PowerSavingModeAutoWhenBatteryLow = cfg.PowerSavingModeAutoWhenBatteryLow       // 低电量时自动开启
 		m.PowerSavingModeBrightnessDropPercent = cfg.PowerSavingModeBrightnessDropPercent // 开启节能模式时降低亮度的百分比值
+		m.PowerSavingModeAutoBatteryPercent = cfg.PowerSavingModeAutoBatteryPercent       // 开启在低电量自动节能模式时候的百分比
 		m.Mode = cfg.Mode
 		migrateErr := m.migrateFromCurrentConfigsToDsg()
 		if migrateErr != nil {
@@ -601,11 +606,12 @@ type Config struct {
 	PowerSavingModeAuto                  bool
 	PowerSavingModeAutoWhenBatteryLow    bool
 	PowerSavingModeBrightnessDropPercent uint32
+	PowerSavingModeAutoBatteryPercent    uint32
 	Mode                                 string
 }
 
 func loadConfig() (*Config, error) {
-	content, err := os.ReadFile(configFile)
+	content, err := ioutil.ReadFile(configFile)
 	if err != nil {
 		return nil, err
 	}
@@ -625,7 +631,15 @@ func loadConfigSafe() *Config {
 		if !os.IsNotExist(err) {
 			logger.Warning(err)
 		}
-		return nil
+		return &Config{
+			// default config
+			PowerSavingModeAuto:                  true,
+			PowerSavingModeEnabled:               false,
+			PowerSavingModeAutoWhenBatteryLow:    false,
+			PowerSavingModeBrightnessDropPercent: 20,
+			PowerSavingModeAutoBatteryPercent:    20,
+			Mode:                                 ddeBalance,
+		}
 	}
 	// 新增字段后第一次启动时,缺少两个新增字段的json,导致亮度下降百分比字段默认为0,导致与默认值不符,需要处理
 	// 低电量自动待机字段的默认值为false,不会导致错误影响
@@ -634,6 +648,11 @@ func loadConfigSafe() *Config {
 		cfg.PowerSavingModeBrightnessDropPercent = 20
 	}
 
+	// when PowerSavingModeAutoBatteryPercent is lower than 10, it is not available, so change set it to 20 as default
+	if cfg.PowerSavingModeAutoBatteryPercent < 10 {
+		cfg.PowerSavingModeAutoBatteryPercent = 20
+	}
+
 	if cfg.Mode == "" {
 		cfg.Mode = ddeBalance
 	}