Disable run on battery feature

.github/workflows/macos.yml

@@ -53,6 +53,9 @@ jobs:
 
     - name: Build the app
       run: npm run electron:build
+
+    - name: List artifacts
+      run: ls release/
     
     - name: Upload DMG artifact
       uses: actions/upload-artifact@v4

app/main.ts

@@ -1,5 +1,5 @@
 import { app, BrowserWindow, ipcMain, screen, dialog, Tray, Menu, MenuItemConstructorOptions, 
-  IpcMainInvokeEvent, Notification, NotificationConstructorOptions, clipboard
+  IpcMainInvokeEvent, Notification, NotificationConstructorOptions, clipboard, powerMonitor
 } from 'electron';
 import { ChildProcessWithoutNullStreams, exec, ExecException, spawn } from 'child_process';
 import * as path from 'path';
@@ -782,6 +782,13 @@ try {
   })
   // #endregion
 
+  ipcMain.handle('is-on-battery-power', (event: IpcMainInvokeEvent) => {
+    win?.webContents.send('on-is-on-battery-power', powerMonitor.isOnBatteryPower());
+  });
+
+  powerMonitor.on('on-ac', () => win?.webContents.send('on-ac'));
+  powerMonitor.on('on-battery', () => win?.webContents.send('on-battery'));
+
   ipcMain.handle('is-auto-launched', (event: IpcMainInvokeEvent) => {
     console.debug(event);
     

app/preload.js

@@ -8,6 +8,21 @@ contextBridge.exposeInMainWorld('electronAPI', {
   onGetBatteryLevel: (callback) => {
     ipcRenderer.on('on-get-battery-level', callback);
   },
+  isOnBatteryPower: () => {
+    ipcRenderer.invoke('is-on-battery-power');
+  },
+  onIsOnBatteryPower: (callback) => {
+    ipcRenderer.on('on-is-on-battery-power', callback);
+  },
+  unregisterOnIsOnBatteryPower: () => {
+    ipcRenderer.removeAllListeners('on-is-on-battery-power');
+  },
+  onAc: (callback) => {
+    ipcRenderer.on('on-ac', callback);
+  },
+  onBattery: (callback) => {
+    ipcRenderer.on('on-battery', callback);
+  },
   unregisterOnGetBatteryLevel: () => {
     ipcRenderer.removeAllListeners('on-get-battery-level');
   },

src/app/core/services/daemon/daemon-data.service.ts

@@ -69,6 +69,11 @@ export class DaemonDataService {
   private _txPoolStats?: TxPoolStats;
   private _gettingTxPoolStats: boolean = false;
 
+  private _runningOnBattery?: boolean;
+  public get runningOnBattery(): boolean {
+    return this._runningOnBattery === true;
+  }
+
   public readonly syncStart: EventEmitter<{ first: boolean }> = new EventEmitter<{ first: boolean }>();
   public readonly syncEnd: EventEmitter<void> = new EventEmitter<void>();
   public readonly syncError: EventEmitter<any> = new EventEmitter<any>();
@@ -92,8 +97,12 @@ export class DaemonDataService {
           this.stopLoop();
         }
       });
-      
     });
+
+    this.electronService.onAcPower.subscribe(() => this._runningOnBattery = false);
+    this.electronService.onBatteryPower.subscribe(() => this._runningOnBattery = true);
+
+    this.electronService.isOnBatteryPower().then((value: boolean) => this._runningOnBattery = value).catch((error: any) => console.error(error));
   }
 
   public get initializing(): boolean {
@@ -350,6 +359,8 @@ export class DaemonDataService {
 
   }
 
+  public batteryLevel: number = 0;
+
   public syncDisabledByWifiPolicy: boolean = false;
   public syncDisabledByPeriodPolicy: boolean = false;
 
@@ -359,11 +370,30 @@ export class DaemonDataService {
       return;
     }
 
+    if (this._runningOnBattery === undefined) {
+      this._runningOnBattery = await this.electronService.isOnBatteryPower();
+    }
+
     this._refreshing = true;
 
     try {
       const settings = await this.daemonService.getSettings();
 
+      if (this._runningOnBattery && !settings.runOnBattery) {
+        await this.daemonService.stopDaemon();
+        return;
+      }
+      else if (this._runningOnBattery && settings.batteryLevelThreshold > 0) {
+        const batteryLevel = await this.electronService.getBatteryLevel();
+        
+        if (batteryLevel <= settings.batteryLevelThreshold) {
+          await this.daemonService.stopDaemon();
+          return;
+        }
+
+        this.batteryLevel = batteryLevel;
+      }
+
       const syncAlreadyDisabled = this.daemonService.settings.noSync;
   
       if (!settings.noSync && !syncAlreadyDisabled && !settings.syncOnWifi) {
@@ -406,7 +436,6 @@ export class DaemonDataService {
       else {
         this.syncDisabledByPeriodPolicy = false;
       }
-  
     }
     catch(error: any) {
       console.error(error);

src/app/core/services/electron/electron.service.ts

@@ -1,4 +1,4 @@
-import { Injectable } from '@angular/core';
+import { EventEmitter, Injectable } from '@angular/core';
 // If you import a module but never use any of the imported values other than as TypeScript types,
 // the resulting javascript file will look as if you never imported the module at all.
 import * as childProcess from 'child_process';
@@ -17,6 +17,9 @@ export class ElectronService {
   private _online: boolean = false;
   private _isProduction: boolean = false;
 
+  public readonly onAcPower: EventEmitter<void> = new EventEmitter<void>();
+  public readonly onBatteryPower: EventEmitter<void> = new EventEmitter<void>();
+
   public get isProduction(): boolean {
     return this._isProduction;
   }
@@ -26,6 +29,9 @@ export class ElectronService {
     window.addEventListener('online', () => this._online = true);
     window.addEventListener('offline', () => this._online = false);
     this._isProduction = APP_CONFIG.production;
+
+    window.electronAPI.onBattery((event: any) => this.onBatteryPower.emit());
+    window.electronAPI.onAc((event: any) => this.onAcPower.emit());
   }
 
   public get online(): boolean {
@@ -62,6 +68,19 @@ export class ElectronService {
     return false;
   }
 
+  public async isOnBatteryPower(): Promise<boolean> {
+    const promise = new Promise<boolean>((resolve) => {
+      window.electronAPI.onIsOnBatteryPower((event: any, onBattery: boolean) => {
+        window.electronAPI.unregisterOnIsOnBatteryPower();
+        resolve(onBattery);
+      });
+    });
+
+    window.electronAPI.isOnBatteryPower();
+
+    return await promise;
+  }
+
   public async getBatteryLevel(): Promise<number> {
     const promise = new Promise<number>((resolve) => {
       window.electronAPI.onGetBatteryLevel((event: any, level: number) => {
@@ -72,7 +91,7 @@ export class ElectronService {
 
     window.electronAPI.getBatteryLevel();
 
-    return await promise;
+    return (await promise)*100;
   }
 
   public async isAutoLaunched(): Promise<boolean> {

src/app/pages/settings/settings.component.html

@@ -186,6 +186,26 @@
           </div>
         </div>
 
+        <hr class="my-4">
+        <h4 class="mb-3">Battery</h4>
+
+        <div class="row g-3">
+          
+          <div class="form-check form-switch col-md-6">
+            <label for="run-on-battery" class="form-check-label">Run on battery</label>
+            <input class="form-control form-check-input" type="checkbox" role="switch" id="run-on-battery" [checked]="currentSettings.runOnBattery" [(ngModel)]="currentSettings.runOnBattery" [ngModelOptions]="{standalone: true}">
+            <br>
+            <small class="text-body-secondary">Enable monerod to run on battery power</small>
+          </div>
+
+          <div class="col-md-6">
+            <label for="battery-threshold" class="form-label">Battery level threshold</label>
+            <input [disabled]="!currentSettings.runOnBattery" type="number" min="0" max="100" class="form-control" id="battery-threshold" placeholder="0" [(ngModel)]="currentSettings.batteryLevelThreshold" [ngModelOptions]="{standalone: true}">
+            <small class="text-body-secondary">Stop monerod when battery threshold is reached (0 to disable)</small>
+          </div>
+          
+        </div>
+
         <hr class="my-4">
         <h4 class="mb-3">Updates</h4>
 

src/app/shared/components/daemon-not-running/daemon-not-running.component.html

@@ -1,5 +1,5 @@
 <div *ngIf="!daemonRunning || stoppingDaemon || restartingDaemon || enablingSync || disablingSync || installing" class="h-100 p-5 text-bg-dark rounded-3 m-4 text-center">
-  <h2 *ngIf="!installing && !enablingSync && !disablingSync && !daemonRunning && !startingDaemon && !stoppingDaemon && !restartingDaemon && !upgrading && daemonConfigured && !quittingDaemon"><i class="bi bi-exclamation-diamond m-4"></i> Daemon not running</h2>
+  <h2 *ngIf="!installing && !enablingSync && !disablingSync && !daemonRunning && !startingDaemon && !stoppingDaemon && !restartingDaemon && !upgrading && daemonConfigured && !quittingDaemon"><i class="bi bi-exclamation-diamond m-4"></i> {{ cannotRunBecauseBatteryPolicy ? batteryTooLow ? 'Battery power is too low' : 'Cannot run on battery power' : 'Daemon not running' }}</h2>
   <h2 *ngIf="!installing && !enablingSync && !disablingSync && !daemonRunning && !startingDaemon && !stoppingDaemon && !restartingDaemon && !upgrading && !daemonConfigured && !quittingDaemon"><i class="bi bi-exclamation-diamond m-4"></i> Daemon not configured or installed</h2>
   <h2 *ngIf="!installing && !enablingSync && !disablingSync && restartingDaemon && !upgrading"><i class="bi bi-arrow-clockwise m-4"></i> Daemon restarting</h2>
   <h2 *ngIf="!installing && !enablingSync && !disablingSync && stoppingDaemon && !upgrading && !quittingDaemon"><i class="bi bi-stop-fill m-4"></i> Daemon is stopping</h2>
@@ -9,7 +9,7 @@
   <h2 *ngIf="!installing && enablingSync"><i class="bi bi-repeat m-4"></i>Daemon is enabling sync</h2>
   <h2 *ngIf="!installing && disablingSync"><i class="bi bi-slash-circle m-4"></i>Daemon is disabling sync</h2>
 
-  <p *ngIf="!installing && !enablingSync && !disablingSync && !daemonRunning && !startingDaemon && !stoppingDaemon && !restartingDaemon && daemonConfigured && !upgrading && !quittingDaemon">Start monero daemon</p>
+  <p *ngIf="!installing && !enablingSync && !disablingSync && !daemonRunning && !startingDaemon && !stoppingDaemon && !restartingDaemon && daemonConfigured && !upgrading && !quittingDaemon"> {{ cannotRunBecauseBatteryPolicy ? 'Configure monero daemon' : 'Start monero daemon' }} </p>
   <p *ngIf="!installing && !enablingSync && !disablingSync && !startingDaemon && !startingDaemon && !stoppingDaemon && !restartingDaemon  && !daemonConfigured && !upgrading && !quittingDaemon">Configure or install monero daemon</p>
 
   <h2 *ngIf="!installing && !enablingSync && !disablingSync && startingDaemon"><i class="bi bi-play-fill m-4"></i> Daemon is starting</h2>
@@ -21,7 +21,7 @@
   <p *ngIf="!installing && enablingSync">Enabling monero daemon blockchain sync</p>
   <p *ngIf="!installing && disablingSync">Disabling monero daemon blokchain sync</p>
 
-  <button *ngIf="!installing && !enablingSync && !disablingSync && !startingDaemon && !stoppingDaemon && !restartingDaemon && !upgrading && daemonConfigured && !quittingDaemon" class="btn btn-outline-light" type="button" (click)="startDaemon()"><i class="bi bi-play-fill"></i> Start</button>
+  <button *ngIf="!cannotRunBecauseBatteryPolicy && !installing && !enablingSync && !disablingSync && !startingDaemon && !stoppingDaemon && !restartingDaemon && !upgrading && daemonConfigured && !quittingDaemon" class="btn btn-outline-light" type="button" (click)="startDaemon()"><i class="bi bi-play-fill"></i> Start</button>
   <button *ngIf="!installing && !enablingSync && !disablingSync && startingDaemon" class="btn btn-outline-light" type="button" disabled>
     <span class="spinner-border spinner-border-sm" role="status" aria-hidden="true"></span>
     Starting monerod
@@ -53,7 +53,6 @@
     Enabling sync
   </button>
 
-        
   <button *ngIf="!installing && disablingSync" class="btn btn-outline-light" type="button" disabled>
     <span class="spinner-border spinner-border-sm" role="status" aria-hidden="true"></span>
     Disabling sync

src/app/shared/components/daemon-not-running/daemon-not-running.component.ts

@@ -2,6 +2,8 @@ import { Component, OnDestroy } from '@angular/core';
 import { DaemonService } from '../../../core/services/daemon/daemon.service';
 import { DaemonDataService, MoneroInstallerService } from '../../../core/services';
 import { Subscription } from 'rxjs';
+import { DaemonSettings } from '../../../../common';
+import { DaemonStatusService } from './daemon-status.service';
 
 @Component({
   selector: 'app-daemon-not-running',
@@ -11,70 +13,59 @@ import { Subscription } from 'rxjs';
 export class DaemonNotRunningComponent implements OnDestroy {
 
   public get upgrading(): boolean {
-    return this.installer.upgrading && !this.quittingDaemon;
+    return this.statusService.upgrading;
   }
 
   public get installing(): boolean {
-    return this.installer.installing;
+    return this.statusService.installing;
   }
 
   public get daemonRunning(): boolean {
-    return this.daemonData.running && !this.startingDaemon && !this.stoppingDaemon && !this.restartingDaemon && !this.upgrading && !this.quittingDaemon;
+    return this.statusService.daemonRunning;
   }
 
   public daemonConfigured: boolean = true;
 
   public get disablingSync(): boolean {
-    return this.daemonService.disablingSync;
+    return this.statusService.disablingSync;
   }
 
   public get enablingSync(): boolean {
-    return this.daemonService.enablingSync;
+    return this.statusService.enablingSync;
   }
 
   public get startingDaemon(): boolean {
-    return this.daemonService.starting && !this.restartingDaemon && !this.stoppingDaemon && !this.upgrading && !this.quittingDaemon;
+    return this.statusService.startingDaemon;
   }
 
   public get stoppingDaemon(): boolean{
-    return this.daemonData.stopping && !this.restartingDaemon && !this.startingDaemon && !this.upgrading && !this.quittingDaemon;
+    return this.statusService.stoppingDaemon;
   }
 
   public get restartingDaemon(): boolean {
-    return this.daemonService.restarting && ! this.upgrading && !this.quittingDaemon;
+    return this.statusService.restartingDaemon;
+  }
+
+  public get cannotRunBecauseBatteryPolicy(): boolean {
+    return this.statusService.cannotRunBecauseBatteryPolicy;
   }
 
   public get progressStatus(): string {
-    const progress = this.installer.progress;
+    return this.statusService.progressStatus;
-
-    if (progress.status == 'Downloading') {
-      return `${progress.status} ${progress.progress.toFixed(2)} %`;
-    }
-
-    return progress.status;
   }
 
   public get quittingDaemon(): boolean {
-    return this.daemonService.quitting;
+    return this.statusService.quittingDaemon;
+  }
+
+  public get batteryTooLow(): boolean {
+    return this.statusService.batteryTooLow;
   }
 
   private subscriptions: Subscription[] = [];
 
-  constructor(private installer: MoneroInstallerService, private daemonData: DaemonDataService, private daemonService: DaemonService) {
+  constructor(private statusService: DaemonStatusService) {
-    const onSavedSettingsSub: Subscription = this.daemonService.onSavedSettings.subscribe((settings) => {
-      this.daemonConfigured = settings.monerodPath != '';
-    });
-    
-    this.daemonService.getSettings().then((settings) => {
-      this.daemonConfigured = settings.monerodPath != '';
-    }).catch((error: any) => {
-      console.error(error);
-      this.daemonConfigured = false;
-    });
 
-    this.daemonService.isRunning().then().catch((error: any) => console.error(error));
-
-    this.subscriptions.push(onSavedSettingsSub);
   }
 
   public ngOnDestroy(): void {
@@ -83,34 +74,11 @@ export class DaemonNotRunningComponent implements OnDestroy {
   }
 
   public async startDaemon(): Promise<void> {
-    if (this.daemonRunning) {
+    await this.statusService.startDaemon();
-      console.warn("Daemon already running");
-      return;
-    }
-
-    if (this.startingDaemon || this.stoppingDaemon) {
-      return;
-    }
-
-    await new Promise<void>((resolve, reject) => {
-      setTimeout(() => {
-        this.daemonService.startDaemon().then(() => {
-          resolve();
-        }).catch((error: any) => {
-          reject(new Error(`${error}`));
-        });
-      }, 500)});
   }
 
   public async restartDaemon(): Promise<void> {
-    await new Promise<void>((resolve, reject) => {
+    await this.statusService.restartDaemon();
-      setTimeout(() => {
-        this.daemonService.restartDaemon().then(() => {
-          resolve();
-        }).catch((error: any) => {
-          reject(new Error(`${error}`));
-        });
-      }, 500)});
   }
 
 }

src/app/shared/components/daemon-not-running/daemon-status.service.spec.ts

@@ -0,0 +1,16 @@
+import { TestBed } from '@angular/core/testing';
+
+import { DaemonStatusService } from './daemon-status.service';
+
+describe('DaemonStatusService', () => {
+  let service: DaemonStatusService;
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({});
+    service = TestBed.inject(DaemonStatusService);
+  });
+
+  it('should be created', () => {
+    expect(service).toBeTruthy();
+  });
+});

src/app/shared/components/daemon-not-running/daemon-status.service.ts

@@ -0,0 +1,159 @@
+import { Injectable, NgZone } from '@angular/core';
+import { DaemonDataService, DaemonService, ElectronService, MoneroInstallerService } from '../../../core/services';
+import { Subscription } from 'rxjs';
+import { DaemonSettings } from '../../../../common';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class DaemonStatusService {
+
+  public get upgrading(): boolean {
+    return this.installer.upgrading && !this.quittingDaemon;
+  }
+
+  public get installing(): boolean {
+    return this.installer.installing;
+  }
+
+  public get daemonRunning(): boolean {
+    return this.daemonData.running && !this.startingDaemon && !this.stoppingDaemon && !this.restartingDaemon && !this.upgrading && !this.quittingDaemon;
+  }
+
+  public get daemonConfigured(): boolean {
+    return this.settings ? this.settings.monerodPath != '' : true;
+  };
+
+  public get disablingSync(): boolean {
+    return this.daemonService.disablingSync;
+  }
+
+  public get enablingSync(): boolean {
+    return this.daemonService.enablingSync;
+  }
+
+  public get startingDaemon(): boolean {
+    return this.daemonService.starting && !this.restartingDaemon && !this.stoppingDaemon && !this.upgrading && !this.quittingDaemon;
+  }
+
+  public get stoppingDaemon(): boolean{
+    return this.daemonData.stopping && !this.restartingDaemon && !this.startingDaemon && !this.upgrading && !this.quittingDaemon;
+  }
+
+  public get restartingDaemon(): boolean {
+    return this.daemonService.restarting && ! this.upgrading && !this.quittingDaemon;
+  }
+
+  public get cannotRunBecauseBatteryPolicy(): boolean {
+    return this.settings ? (this._runningOnBattery && !this.settings.runOnBattery) || (this.settings.runOnBattery && this.settings.batteryLevelThreshold > 0 && this._batteryLevel <= this.settings.batteryLevelThreshold) : false;
+  }
+
+  public get progressStatus(): string {
+    const progress = this.installer.progress;
+
+    if (progress.status == 'Downloading') {
+      return `${progress.status} ${progress.progress.toFixed(2)} %`;
+    }
+
+    return progress.status;
+  }
+
+  public get quittingDaemon(): boolean {
+    return this.daemonService.quitting;
+  }
+
+  public get batteryTooLow(): boolean {
+    return this._batteryTooLow;
+  }
+
+  private subscriptions: Subscription[] = [];
+  private settings?: DaemonSettings;
+  
+  private _runningOnBattery: boolean = false;
+  private _batteryTooLow: boolean = false;
+  private _batteryLevel: number = 0;
+
+  constructor(
+    private installer: MoneroInstallerService, private daemonData: DaemonDataService, 
+    private daemonService: DaemonService, private electronService: ElectronService,
+    private ngZone: NgZone
+  ) {
+    const onSavedSettingsSub: Subscription = this.daemonService.onSavedSettings.subscribe((settings) => {
+      this.refresh().then().catch((error: any) => console.error(error));
+    });
+
+    const onDaemonStatusSub: Subscription = this.daemonService.onDaemonStatusChanged.subscribe((running: boolean) => {
+      this.refresh().then().catch((error: any) => console.error(error));
+    });
+
+    const onAcPower: Subscription = this.electronService.onAcPower.subscribe(() => {
+      this.refresh().then().catch((error: any) => console.error(error));
+    });
+
+    const onBatteryPower: Subscription = this.electronService.onBatteryPower.subscribe(() => {
+      this.refresh().then().catch((error: any) => console.error(error));
+    });
+
+    this.refresh().then().catch((error: any) => console.error(error));
+
+    this.subscriptions.push(onSavedSettingsSub, onDaemonStatusSub, onAcPower, onBatteryPower);
+  }
+
+  public async refresh(): Promise<void> {
+    //await this.daemonService.isRunning();
+    this.ngZone.run(() => {
+      setTimeout(async () => {
+        this.settings = await this.daemonService.getSettings();
+        this._runningOnBattery = await this.electronService.isOnBatteryPower();
+
+        if (this._runningOnBattery) this._batteryLevel = await this.electronService.getBatteryLevel();
+
+        if (this.settings.runOnBattery && this._runningOnBattery && this.settings.batteryLevelThreshold > 0) {
+          const batteryLevel = await this.electronService.getBatteryLevel();
+          this._batteryTooLow = batteryLevel <= this.settings.batteryLevelThreshold;
+          console.log(`battery level: ${batteryLevel}, threshold: ${this.settings.batteryLevelThreshold}, too low: ${this._batteryTooLow}`);
+        }
+        else if (!this.settings.runOnBattery) {
+          this._batteryTooLow = false;
+        }
+      }, 0);
+    });
+  }
+
+  public Dispose(): void {
+    this.subscriptions.forEach((sub: Subscription) =>  sub.unsubscribe());
+    this.subscriptions = [];
+  }
+
+  public async startDaemon(): Promise<void> {
+    if (this.daemonRunning) {
+      console.warn("Daemon already running");
+      return;
+    }
+
+    if (this.startingDaemon || this.stoppingDaemon) {
+      return;
+    }
+
+    await new Promise<void>((resolve, reject) => {
+      setTimeout(() => {
+        this.daemonService.startDaemon().then(() => {
+          resolve();
+        }).catch((error: any) => {
+          reject(new Error(`${error}`));
+        });
+      }, 500)});
+  }
+
+  public async restartDaemon(): Promise<void> {
+    await new Promise<void>((resolve, reject) => {
+      setTimeout(() => {
+        this.daemonService.restartDaemon().then(() => {
+          resolve();
+        }).catch((error: any) => {
+          reject(new Error(`${error}`));
+        });
+      }, 500)});
+  }
+
+}

src/app/shared/components/navbar/navbar.component.html

@@ -44,7 +44,7 @@
 
   <ul class="navbar-nav flex-row">
     <li *ngIf="!quitting && !running && !stopping && !restarting && !installing && !upgrading && daemonConfigured" class="nav-item text-nowrap">
-      <button [disabled]="starting || enablingSync || disablingSync" class="btn btn-outline-secondary px-3 text-white" type="button" data-bs-toggle="tooltip" data-bs-placement="bottom"  data-bs-title="Start Daemon" aria-expanded="false" aria-label="Start daemon" (click)="startDaemon()">
+      <button [disabled]="starting || enablingSync || disablingSync || cannotStart" class="btn btn-outline-secondary px-3 text-white" type="button" data-bs-toggle="tooltip" data-bs-placement="bottom"  data-bs-title="Start Daemon" aria-expanded="false" aria-label="Start daemon" (click)="startDaemon()">
         <i class="bi bi-play-fill"></i>
       </button>
       &nbsp;

src/app/shared/components/navbar/navbar.component.ts

@@ -6,6 +6,7 @@ import { DaemonDataService, MoneroInstallerService } from '../../../core/service
 import { DaemonSettings } from '../../../../common';
 import { Subscription } from 'rxjs';
 import { Tooltip } from 'bootstrap';
+import { DaemonStatusService } from '../daemon-not-running/daemon-status.service';
 
 @Component({
   selector: 'app-navbar',
@@ -70,7 +71,11 @@ export class NavbarComponent implements AfterViewInit, OnDestroy {
   private daemonSettings: DaemonSettings = new DaemonSettings();
   private subscriptions: Subscription[] = [];
 
-  constructor(private navbarService: NavbarService, private daemonService: DaemonService, private daemonData: DaemonDataService, private installerService: MoneroInstallerService, private ngZone: NgZone) {
+  public get cannotStart(): boolean {
+    return this.statusService.cannotRunBecauseBatteryPolicy;
+  }
+
+  constructor(private navbarService: NavbarService, private daemonService: DaemonService, private daemonData: DaemonDataService, private installerService: MoneroInstallerService, private statusService: DaemonStatusService, private ngZone: NgZone) {
     const onSavedSettingsSub: Subscription = this.daemonService.onSavedSettings.subscribe((settings: DaemonSettings) => {
       this.daemonSettings = settings;
     });

src/common/DaemonSettings.ts

@@ -9,6 +9,9 @@ export class DaemonSettings {
   public syncPeriodFrom: string = '00:00';
   public syncPeriodTo: string = '00:00';
 
+  public runOnBattery: boolean = true;
+  public batteryLevelThreshold: number = 0;
+
   public upgradeAutomatically: boolean = false;
   public downloadUpgradePath: string = '';
 

src/polyfills.ts

@@ -155,6 +155,12 @@ declare global {
       getBatteryLevel: () => void;
       onGetBatteryLevel: (callback: (event: any, level: number) => void) => void;
       unregisterOnGetBatteryLevel: () => void;
+
+      isOnBatteryPower: () => void;
+      onIsOnBatteryPower: (callback: (event: any, onBattery: boolean) => void) => void;
+      unregisterOnIsOnBatteryPower: () => void;
+      onBattery: (callback: (event: any) => void) => void;
+      onAc: (callback: (event: any) => void) => void;
     };
   }
 }