feat(wakeLockApi): button to prevent the screen lock

demo/src/app/geo/simple-map/simple-map.component.html

@@ -18,6 +18,7 @@
     <igo-geolocate-button [map]="map" color="primary"></igo-geolocate-button>
     <igo-home-extent-button [map]="map" color="primary"></igo-home-extent-button>
     <igo-rotation-button [map]="map" [showIfNoRotation]="true" color="primary"></igo-rotation-button>
+    <igo-wake-lock-button [map]="map" color="primary"></igo-wake-lock-button>
   </igo-map-browser>
 
 </mat-card>

demo/src/app/geo/simple-map/simple-map.component.scss

@@ -1,4 +1,4 @@
 igo-map-browser {
   width: 100%;
-  height: 300px;
+  height: 350px;
 }

demo/src/environments/environment.ts

@@ -12,6 +12,7 @@ interface Environment {
 export const environment: Environment = {
   production: false,
   igo: {
+    wakeLockApiButton: true,
     importWithStyle: true,
     projections: [
       {

package.json

@@ -114,6 +114,7 @@
     "moment": "^2.24.0",
     "ngx-color-picker": "^10.1.0",
     "ngx-toastr": "^14.1.3",
+    "nosleep.js": "^0.12.0",
     "ol": "^6.8.1",
     "ol-mapbox-style": "^6.5.1",
     "proj4": "^2.7.5",

packages/geo/ng-package.json

@@ -6,6 +6,7 @@
     "entryFile": "src/public_api.ts",
     "umdModuleIds": {
       "ngx-color-picker": "ngxColorPicker",
+      "nosleep.js": "NoSleep",
       "ol-mapbox-style/dist/stylefunction": "stylefunction",
       "ol/source/OSM": "olSourceOSM",
       "ol/source/XYZ": "olSourceXYZ",

packages/geo/ng-package.prod.json

@@ -5,6 +5,7 @@
     "entryFile": "src/public_api.ts",
     "umdModuleIds": {
       "ngx-color-picker": "ngxColorPicker",
+      "nosleep.js": "NoSleep",
       "ol-mapbox-style/dist/stylefunction": "stylefunction",
       "ol/source/OSM": "olSourceOSM",
       "ol/source/XYZ": "olSourceXYZ",

packages/geo/package.json

@@ -30,6 +30,7 @@
     "@igo2/common": "^1.11.1",
     "@igo2/core": "^1.11.1",
     "@igo2/utils": "^1.11.1",
+    "nosleep.js": "^0.12.0",
     "ol": "^6.8.1",
     "proj4": "^2.7.5",
     "rxjs": "^6.6.7",

packages/geo/src/lib/map/index.ts

@@ -6,6 +6,7 @@ export * from './menu-button';
 export * from './geolocate-button';
 export * from './home-extent-button';
 export * from './offline-button';
+export * from './wake-lock-button';
 export * from './baselayers-switcher';
 export * from './rotation-button';
 export * from './swipe-control';

packages/geo/src/lib/map/map-browser/map-browser.component.scss

@@ -21,6 +21,7 @@
   }
 }
 
+
 :host ::ng-deep igo-offline-button {
   position: absolute;
   bottom:15px;
@@ -48,6 +49,15 @@
   }
 }
 
+:host ::ng-deep igo-wake-lock-button {
+  position: absolute;
+  top: calc(2 * #{$igo-icon-size} + 2 * 5px + #{$igo-margin});
+  right: $igo-margin;
+  @include mobile {
+    bottom: calc(#{$igo-icon-size} + 5px + #{$igo-margin});
+  }
+}
+
 :host ::ng-deep igo-home-extent-button {
   position: absolute;
   bottom: calc((3 * #{$igo-icon-size}) + 5px + (2 * #{$igo-margin}));

packages/geo/src/lib/map/map.module.ts

@@ -14,6 +14,7 @@ import { BaseLayersSwitcherComponent } from './baselayers-switcher/baselayers-sw
 import { MiniBaseMapComponent } from './baselayers-switcher/mini-basemap.component';
 import { MapOfflineDirective } from './shared/mapOffline.directive';
 import { OfflineButtonComponent } from './offline-button/offline-button.component';
+import { WakeLockButtonComponent } from './wake-lock-button/wake-lock-button.component';
 import { PointerPositionDirective } from './shared/map-pointer-position.directive';
 import { HoverFeatureDirective } from './shared/hover-feature.directive';
 import { SwipeControlComponent } from './swipe-control/swipe-control.component';
@@ -41,6 +42,7 @@ import { InfoSectionComponent } from './info-section/info-section.component';
     MiniBaseMapComponent,
     MapOfflineDirective,
     OfflineButtonComponent,
+    WakeLockButtonComponent,
     PointerPositionDirective,
     HoverFeatureDirective,
     SwipeControlComponent,
@@ -58,6 +60,7 @@ import { InfoSectionComponent } from './info-section/info-section.component';
     MiniBaseMapComponent,
     MapOfflineDirective,
     OfflineButtonComponent,
+    WakeLockButtonComponent,
     PointerPositionDirective,
     HoverFeatureDirective,
     SwipeControlComponent,

packages/geo/src/lib/map/wake-lock-button/index.ts

@@ -0,0 +1 @@
+export * from './wake-lock-button.component';

packages/geo/src/lib/map/wake-lock-button/wake-lock-button.component.html

@@ -0,0 +1,12 @@
+<div *ngIf="visible" class="igo-wake-lock-button-container">
+  <div>
+    <button 
+      [color]="color"
+      mat-icon-button
+      [matTooltip]="enabled ? ('igo.geo.mapButtons.preventSreenLock' | translate): ('igo.geo.mapButtons.letScreenLock' | translate)"
+      matTooltipPosition="left"
+      (click)="toggleWakeLock()">
+      <mat-icon svgIcon="{{icon$ | async}}"></mat-icon>
+    </button>
+  </div>
+</div>

packages/geo/src/lib/map/wake-lock-button/wake-lock-button.component.scss

@@ -0,0 +1,14 @@
+@import '../../../../../core/src/style/partial/core.variables';
+
+.igo-wake-lock-button-container {
+  width: $igo-icon-size;
+  background-color: #fff;
+  &:hover {
+    background-color: #efefef;
+  }
+}
+
+button,
+:host ::ng-deep button .mat-button-ripple-round {
+  border-radius: 0;
+}

packages/geo/src/lib/map/wake-lock-button/wake-lock-button.component.ts

@@ -0,0 +1,91 @@
+import { Component, Input } from '@angular/core';
+import { ConfigService, StorageService } from '@igo2/core';
+import { BehaviorSubject } from 'rxjs';
+import NoSleep from 'nosleep.js';
+import { IgoMap } from '../shared/map';
+import { userAgent } from '@igo2/utils';
+
+@Component({
+  selector: 'igo-wake-lock-button',
+  templateUrl: './wake-lock-button.component.html',
+  styleUrls: ['./wake-lock-button.component.scss']
+})
+
+/**
+ * Prevent display sleep and enable wake lock in all Android and iOS web browsers.
+ * On iOS, the Wake Lock API is not supported
+ * https://developer.mozilla.org/en-US/docs/Web/API/Screen_Wake_Lock_API
+ * On not supported browser, a fake video is used to keep the screen open.
+ *
+ * TODO: When the API will be supported by every browser, We should remove the NoSleep.js dependency
+ * and replace it by a WakeLock API implementation.
+ */
+export class WakeLockButtonComponent {
+
+  @Input() color: string = 'primary';
+  @Input() map: IgoMap;
+  @Input()
+  get enabled(): boolean {
+    return this.storageService.get('wakeLockEnabled') as boolean;
+  }
+  set enabled(value: boolean) {
+    this.storageService.set('wakeLockEnabled', value);
+  }
+
+  private noSleep: NoSleep;
+  readonly icon$: BehaviorSubject<string> = new BehaviorSubject('sleep');
+  public visible = false;
+
+  constructor(
+    private config: ConfigService,
+    private storageService: StorageService
+  ) {
+    this.visible = this.config.getConfig('wakeLockApiButton') ? true : false;
+    this.noSleep = new NoSleep();
+    const nonWakeLockApiBrowser = userAgent.satisfies({
+      ie: '>0',
+      edge: '<84',
+      chrome: '<84',
+      firefox: '>0',
+      opera: '<70',
+      safari: '>0'
+    });
+    if (nonWakeLockApiBrowser) {
+      this.disableWakeLock();
+      this.enabled = false;
+      window.onblur = () => {
+        this.disableWakeLock();
+        this.enabled = false;
+    };
+    }
+    this.enabled ? this.enableWakeLock() : this.disableWakeLock();
+  }
+
+  /**
+   * Prevent display sleep and enable wake lock in all Android and iOS web browsers.
+   * On iOS, the Wake Lock API is not supported
+   * https://developer.mozilla.org/en-US/docs/Web/API/Screen_Wake_Lock_API
+   * On not supported browser, a fake video is used to keep the screen open.
+   */
+  private enableWakeLock() {
+    this.noSleep.enable();
+    this.enabled = true;
+    this.icon$.next('sleep-off');
+  }
+  /**
+   * Let display sleep
+   */
+  private disableWakeLock() {
+    this.noSleep.disable();
+    this.enabled = false;
+    this.icon$.next('sleep');
+  }
+
+  toggleWakeLock() {
+    if (this.enabled) {
+      this.disableWakeLock();
+    } else {
+      this.enableWakeLock();
+    }
+  }
+}

packages/geo/src/locale/en.geo.json

@@ -271,7 +271,9 @@
         "zoomIn": "Zoom in ({{zoom}})",
         "zoomOut": "Zoom out ({{zoom}})",
         "resetRotation": "Set map to north",
-        "tipRotation": "Hold Alt and SHIFT while dragging on map to rotate the map."
+        "tipRotation": "Hold Alt and SHIFT while dragging on map to rotate the map.",
+        "preventSreenLock": "Prevent the screen to enter in lock mode.",
+        "letScreenLock": "Allow the screen to enter in lock mode."
       },
       "metadata": {
         "show": "Show metadata"

packages/geo/src/locale/fr.geo.json

@@ -270,7 +270,9 @@
         "zoomIn": "Zoomer ({{zoom}})",
         "zoomOut": "Dézoomer ({{zoom}})",
         "resetRotation": "Réinitialiser la carte vers le nord",
-        "tipRotation": "Maintenez les touches Alt et Majuscule (shift) tout en cliquant sur la carte pour faire pivoter la carte"
+        "tipRotation": "Maintenez les touches Alt et Majuscule (shift) tout en cliquant sur la carte pour faire pivoter la carte",
+        "preventSreenLock": "Prévient l'écran d'entrer en mode de verrouillé.",
+        "letScreenLock": "Permet l'écran d'entrer en mode de verrouillé."
       },
       "metadata": {
         "show": "Montrer les métadonnées"