UI: Improvement photo camera input widget

@@ -391,16 +391,16 @@
     },
     {
       "alias": "web_camera_input",
-      "name": "Web Camera Input",
+      "name": "Photo camera input",
       "descriptor": {
         "type": "latest",
         "sizeX": 7.5,
         "sizeY": 3,
         "resources": [],
-        "templateHtml": "<tb-web-camera-widget \n    [ctx]=\"ctx\">\n</tb-web-camera-widget>",
+        "templateHtml": "<tb-photo-camera-widget \n    [ctx]=\"ctx\">\n</tb-photo-camera-widget>",
         "templateCss": "",
-        "controllerScript": "self.onInit = function() {\n}\n\nself.onDataUpdated = function() {\n     self.ctx.$scope.webCameraInputWidget.onDataUpdated();\n}\n\nself.typeParameters = function() {\n    return {\n        maxDatasources: 1,\n        maxDataKeys: 1,\n        singleEntity: true\n    }\n}\n\nself.onDestroy = function() {\n}\n",
-        "settingsSchema": "{\n    \"schema\": {\n        \"type\": \"object\",\n        \"title\": \"Web Camera\",\n        \"properties\": {\n            \"widgetTitle\": {\n                \"title\": \"Widget title\",\n                \"type\": \"string\",\n                \"default\": \"\"\n            },\n            \"imageFormat\": {\n                \"title\": \"Image Format\",\n                \"type\": \"string\",\n                \"default\": \"image/png\"\n            },\n            \"imageQuality\":{\n                \"title\":\"Image quality that use lossy compression such as jpeg and webp\",\n                \"type\":\"number\",\n                \"default\": 0.92,\n                \"min\": 0,\n                \"max\": 1\n            },\n            \"maxWidth\": {\n                \"title\": \"The maximal image width\",\n                \"type\": \"number\",\n                \"default\": 640\n            }, \n            \"maxHeight\": {\n                \"title\": \"The maximal image heigth\",\n                \"type\": \"number\",\n                \"default\": 480\n            }\n        },\n        \"required\": []\n    },\n    \"form\": [\n        \"widgetTitle\",\n        {\n            \"key\": \"imageFormat\",\n            \"type\": \"rc-select\",\n            \"multiple\": false,\n            \"items\": [\n                {\n                    \"value\": \"image/jpeg\",\n                    \"label\": \"JPEG\"\n                },\n                {\n                    \"value\": \"image/png\",\n                    \"label\": \"PNG\"\n                },\n                {\n                    \"value\": \"image/webp\",\n                    \"label\": \"WEBP\"\n                }\n            ]\n        },\n        \"imageQuality\",\n        \"maxWidth\",\n        \"maxHeight\"\n    ]\n}",
+        "controllerScript": "self.onInit = function() {\n}\n\nself.onDataUpdated = function() {\n     self.ctx.$scope.photoCameraInputWidget.onDataUpdated();\n}\n\nself.typeParameters = function() {\n    return {\n        maxDatasources: 1,\n        maxDataKeys: 1,\n        singleEntity: true\n    }\n}\n\nself.onDestroy = function() {\n}\n",
+        "settingsSchema": "{\n    \"schema\": {\n        \"type\": \"object\",\n        \"title\": \"Photo Camera\",\n        \"properties\": {\n            \"widgetTitle\": {\n                \"title\": \"Widget title\",\n                \"type\": \"string\",\n                \"default\": \"\"\n            },\n            \"imageFormat\": {\n                \"title\": \"Image Format\",\n                \"type\": \"string\",\n                \"default\": \"image/png\"\n            },\n            \"imageQuality\":{\n                \"title\":\"Image quality that use lossy compression such as jpeg and webp\",\n                \"type\":\"number\",\n                \"default\": 0.92,\n                \"min\": 0,\n                \"max\": 1\n            },\n            \"maxWidth\": {\n                \"title\": \"The maximal image width\",\n                \"type\": \"number\",\n                \"default\": 640\n            }, \n            \"maxHeight\": {\n                \"title\": \"The maximal image heigth\",\n                \"type\": \"number\",\n                \"default\": 480\n            }\n        },\n        \"required\": []\n    },\n    \"form\": [\n        \"widgetTitle\",\n        {\n            \"key\": \"imageFormat\",\n            \"type\": \"rc-select\",\n            \"multiple\": false,\n            \"items\": [\n                {\n                    \"value\": \"image/jpeg\",\n                    \"label\": \"JPEG\"\n                },\n                {\n                    \"value\": \"image/png\",\n                    \"label\": \"PNG\"\n                },\n                {\n                    \"value\": \"image/webp\",\n                    \"label\": \"WEBP\"\n                }\n            ]\n        },\n        \"imageQuality\",\n        \"maxWidth\",\n        \"maxHeight\"\n    ]\n}",
         "dataKeySettingsSchema": "{}\n",
         "defaultConfig": "{\"datasources\":[{\"type\":\"function\",\"name\":\"function\",\"dataKeys\":[{\"name\":\"f(x)\",\"type\":\"function\",\"label\":\"Random\",\"color\":\"#2196f3\",\"settings\":{},\"_hash\":0.15479322438769105,\"funcBody\":\"var value = prevValue + Math.random() * 100 - 50;\\nvar multiplier = Math.pow(10, 2 || 0);\\nvar value = Math.round(value * multiplier) / multiplier;\\nif (value < -1000) {\\n\\tvalue = -1000;\\n} else if (value > 1000) {\\n\\tvalue = 1000;\\n}\\nreturn value;\"}]}],\"timewindow\":{\"realtime\":{\"timewindowMs\":60000}},\"showTitle\":true,\"backgroundColor\":\"#fff\",\"color\":\"rgba(0, 0, 0, 0.87)\",\"padding\":\"8px\",\"settings\":{},\"title\":\"Web Camera Input\",\"showTitleIcon\":false,\"titleIcon\":\"more_horiz\",\"iconColor\":\"rgba(0, 0, 0, 0.87)\",\"iconSize\":\"24px\",\"titleTooltip\":\"\",\"dropShadow\":true,\"enableFullscreen\":false,\"widgetStyle\":{},\"titleStyle\":{\"fontSize\":\"16px\",\"fontWeight\":400},\"useDashboardTimewindow\":true,\"displayTimewindow\":true,\"showLegend\":false,\"actions\":{}}"
       }

@@ -16,13 +16,13 @@
 
 -->
 <div fxLayout="column" fxLayoutAlign="center center" class="tb-web-camera" tb-fullscreen [fullscreen]="isShowCamera">
-  <div *ngIf="isEntityDetected && dataKeyDetected && isCameraSupport && isDeviceDetect" fxFlexFill>
+  <div *ngIf="isEntityDetected && dataKeyDetected && isCameraSupport && isProtocolHttps" class="image-container">
     <div [fxShow]="!isShowCamera" fxLayout="column" fxLayoutAlign="space-between center" fxFlexFill>
       <div class="tb-web-camera__last-photo" fxFlex>
         <span [fxShow]="!lastPhoto" class="tb-web-camera__last-photo_text" translate>widgets.input-widgets.no-image</span>
         <img [fxShow]="lastPhoto" class="tb-web-camera__last-photo_img" [src]="lastPhoto" alt="last photo"/>
       </div>
-      <button mat-raised-button color="primary" (click)="takePhoto()">
+      <button mat-raised-button color="primary" (click)="takePhoto()" *ngIf="!textMessage">
         {{ "widgets.input-widgets.take-photo" | translate }}
       </button>
     </div>
@@ -59,16 +59,7 @@
       </div>
     </div>
   </div>
-  <div class="message-text" *ngIf="!isEntityDetected">
-    {{ 'widgets.input-widgets.no-entity-selected' | translate }}
-  </div>
-  <div class="message-text" *ngIf="isEntityDetected && !dataKeyDetected">
-    {{ 'widgets.input-widgets.no-datakey-selected' | translate }}
-  </div>
-  <div class="message-text" *ngIf="isEntityDetected && dataKeyDetected && !isCameraSupport">
-    {{ 'widgets.input-widgets.no-support-web-camera' | translate }}
-  </div>
-  <div class="message-text" *ngIf="isEntityDetected && dataKeyDetected && isCameraSupport && !isDeviceDetect">
-    {{ 'widgets.input-widgets.no-support-web-camera' | translate }}
+  <div class="message-text" *ngIf="textMessage">
+    {{ textMessage | translate }}
   </div>
 </div>

@@ -18,6 +18,7 @@
 
   &__last-photo {
     width: 100%;
+    min-height: 0;
     margin: 5px 0;
     text-align: center;
     border: solid 1px;
@@ -71,4 +72,11 @@
     color: #a0a0a0;
     text-align: center;
   }
+
+  .image-container{
+    height: 100%;
+    min-height: 0;
+    width: 100%;
+    min-width: 100%;
+  }
 }

@@ -40,7 +40,7 @@ import { Observable } from 'rxjs';
 import { isString } from '@core/utils';
 import { DomSanitizer, SafeUrl } from '@angular/platform-browser';
 
-interface WebCameraInputWidgetSettings {
+interface PhotoCameraInputWidgetSettings {
   widgetTitle: string;
   imageQuality: number;
   imageFormat: string;
@@ -50,12 +50,12 @@ interface WebCameraInputWidgetSettings {
 
 // @dynamic
 @Component({
-  selector: 'tb-web-camera-widget',
-  templateUrl: './web-camera-input.component.html',
-  styleUrls: ['./web-camera-input.component.scss'],
+  selector: 'tb-photo-camera-widget',
+  templateUrl: './photo-camera-input.component.html',
+  styleUrls: ['./photo-camera-input.component.scss'],
   encapsulation: ViewEncapsulation.None
 })
-export class WebCameraInputWidgetComponent extends PageComponent implements OnInit, OnDestroy {
+export class PhotoCameraInputWidgetComponent extends PageComponent implements OnInit, OnDestroy {
 
   constructor(@Inject(WINDOW) private window: Window,
               protected store: Store<AppState>,
@@ -93,11 +93,11 @@ export class WebCameraInputWidgetComponent extends PageComponent implements OnIn
   @Input()
   ctx: WidgetContext;
 
-  @ViewChild('videoStream', {static: true}) videoStreamRef: ElementRef<HTMLVideoElement>;
-  @ViewChild('canvas', {static: true}) canvasRef: ElementRef<HTMLCanvasElement>;
+  @ViewChild('videoStream', {static: false}) videoStreamRef: ElementRef<HTMLVideoElement>;
+  @ViewChild('canvas', {static: false}) canvasRef: ElementRef<HTMLCanvasElement>;
 
   private videoInputsIndex = 0;
-  private settings: WebCameraInputWidgetSettings;
+  private settings: PhotoCameraInputWidgetSettings;
   private datasource: Datasource;
   private width = 640;
   private height = 480;
@@ -106,10 +106,13 @@ export class WebCameraInputWidgetComponent extends PageComponent implements OnIn
 
   isEntityDetected = false;
   dataKeyDetected = false;
+  isProtocolHttps = false;
   isCameraSupport = false;
   isDeviceDetect = false;
   isShowCamera = false;
   isPreviewPhoto = false;
+  isHavePermissionCamera = true;
+  isLoading = false;
   singleDevice = true;
   updatePhoto = false;
   previewPhoto: SafeUrl;
@@ -132,7 +135,8 @@ export class WebCameraInputWidgetComponent extends PageComponent implements OnIn
   }
 
   ngOnInit(): void {
-    this.ctx.$scope.webCameraInputWidget = this;
+    this.ctx.$scope.photoCameraInputWidget = this;
+    this.isLoading = true;
     this.settings = this.ctx.settings;
     this.datasource = this.ctx.datasources[0];
 
@@ -168,25 +172,33 @@ export class WebCameraInputWidgetComponent extends PageComponent implements OnIn
   }
 
   public onDataUpdated() {
-    this.ngZone.run(() => {
-      this.updateWidgetData(this.ctx.defaultSubscription.data);
-      this.ctx.detectChanges();
-    });
+    this.updateWidgetData(this.ctx.defaultSubscription.data);
+    this.ctx.detectChanges();
   }
 
 
   private detectAvailableDevices(): void {
-    if (WebCameraInputWidgetComponent.hasGetUserMedia()) {
-      this.isCameraSupport = true;
-      WebCameraInputWidgetComponent.getAvailableVideoInputs().then((devices) => {
-          this.isDeviceDetect = !!devices.length;
-          this.singleDevice = devices.length < 2;
-          this.availableVideoInputs = devices;
-          this.ctx.detectChanges();
-        }, () => {
-          this.availableVideoInputs = [];
-        }
-      )
+    if (this.window.location.protocol === 'https:' || this.window.location.hostname === 'localhost') {
+      this.isProtocolHttps = true;
+
+      if (PhotoCameraInputWidgetComponent.hasGetUserMedia()) {
+        this.isCameraSupport = true;
+        PhotoCameraInputWidgetComponent.getAvailableVideoInputs().then((devices) => {
+            this.isLoading = false;
+            this.isDeviceDetect = !!devices.length;
+            this.singleDevice = devices.length < 2;
+            this.availableVideoInputs = devices;
+            this.ctx.detectChanges();
+          }, () => {
+            this.isLoading = false;
+            this.availableVideoInputs = [];
+          }
+        );
+      } else {
+        this.isLoading = false;
+      }
+    } else {
+      this.isLoading = false;
     }
   }
 
@@ -206,8 +218,7 @@ export class WebCameraInputWidgetComponent extends PageComponent implements OnIn
   }
 
   takePhoto() {
-    this.isShowCamera = true;
-    this.initWebCamera(this.availableVideoInputs[this.videoInputsIndex].deviceId);
+    this.inititedVideoStream(this.availableVideoInputs[this.videoInputsIndex].deviceId, true);
   }
 
   closeCamera() {
@@ -243,13 +254,13 @@ export class WebCameraInputWidgetComponent extends PageComponent implements OnIn
       this.closeCamera();
     }, () => {
       this.updatePhoto = false;
-    })
+    });
   }
 
   switchWebCamera() {
     this.videoInputsIndex = (this.videoInputsIndex + 1) % this.availableVideoInputs.length;
     this.stopMediaTracks();
-    this.initWebCamera(this.availableVideoInputs[this.videoInputsIndex].deviceId)
+    this.inititedVideoStream(this.availableVideoInputs[this.videoInputsIndex].deviceId);
   }
 
   createPhoto() {
@@ -257,22 +268,53 @@ export class WebCameraInputWidgetComponent extends PageComponent implements OnIn
     this.canvasElement.height = this.videoHeight;
     this.canvasElement.getContext('2d').drawImage(this.videoElement, 0, 0, this.videoWidth, this.videoHeight);
 
-    const mimeType: string = this.settings.imageFormat ? this.settings.imageFormat : WebCameraInputWidgetComponent.DEFAULT_IMAGE_TYPE;
-    const quality: number = this.settings.imageQuality ? this.settings.imageQuality : WebCameraInputWidgetComponent.DEFAULT_IMAGE_QUALITY;
-    this.previewPhoto = this.sanitizer.bypassSecurityTrustUrl(this.canvasElement.toDataURL(mimeType, quality));
+    const mimeType: string = this.settings.imageFormat ? this.settings.imageFormat : PhotoCameraInputWidgetComponent.DEFAULT_IMAGE_TYPE;
+    const quality: number = this.settings.imageQuality ? this.settings.imageQuality : PhotoCameraInputWidgetComponent.DEFAULT_IMAGE_QUALITY;
+    this.previewPhoto = this.canvasElement.toDataURL(mimeType, quality);
     this.isPreviewPhoto = true;
   }
 
-  private initWebCamera(deviceId?: string) {
+  private inititedVideoStream(deviceId?: string, init = false) {
     if (window.navigator.mediaDevices && window.navigator.mediaDevices.getUserMedia) {
       const videoTrackConstraints = {
         video: {deviceId: deviceId !== '' ? {exact: deviceId} : undefined}
       };
 
       window.navigator.mediaDevices.getUserMedia(videoTrackConstraints).then((stream: MediaStream) => {
+        if (init) {
+          this.isShowCamera = true;
+        }
         this.mediaStream = stream;
         this.videoElement.srcObject = stream;
-      })
+        this.ctx.detectChanges();
+      }, () => {
+        this.isHavePermissionCamera = false;
+      });
+    }
+  }
+
+  get textMessage() {
+    if (this.isLoading) {
+      return '';
+    }
+    if (!this.isProtocolHttps) {
+      return 'widgets.input-widgets.enable-https-use-widget';
+    }
+    if (!this.isCameraSupport) {
+      return 'widgets.input-widgets.no-support-web-camera';
+    }
+    if (!this.isEntityDetected) {
+      return 'widgets.input-widgets.no-entity-selected';
+    }
+    if (!this.dataKeyDetected) {
+      return 'widgets.input-widgets.no-datakey-selected';
+    }
+    if (!this.isDeviceDetect) {
+      return 'widgets.input-widgets.no-found-your-camera';
+    }
+    if (!this.isHavePermissionCamera) {
+      return 'widgets.input-widgets.no-permission-camera';
     }
+    return null;
   }
 }

@@ -32,7 +32,7 @@ import {
 } from '@home/components/widget/lib/date-range-navigator/date-range-navigator.component';
 import { MultipleInputWidgetComponent } from './lib/multiple-input-widget.component';
 import { TripAnimationComponent } from './trip-animation/trip-animation.component';
-import { WebCameraInputWidgetComponent } from './lib/web-camera-input.component';
+import { PhotoCameraInputWidgetComponent } from './lib/photo-camera-input.component';
 import { GatewayFormComponent } from './lib/gateway/gateway-form.component';
 import { ImportExportService } from '@home/components/import-export/import-export.service';
 
@@ -49,7 +49,7 @@ import { ImportExportService } from '@home/components/import-export/import-expor
       DateRangeNavigatorPanelComponent,
       MultipleInputWidgetComponent,
       TripAnimationComponent,
-      WebCameraInputWidgetComponent,
+      PhotoCameraInputWidgetComponent,
       GatewayFormComponent
     ],
   imports: [
@@ -67,7 +67,7 @@ import { ImportExportService } from '@home/components/import-export/import-expor
     DateRangeNavigatorWidgetComponent,
     MultipleInputWidgetComponent,
     TripAnimationComponent,
-    WebCameraInputWidgetComponent,
+    PhotoCameraInputWidgetComponent,
     GatewayFormComponent
   ],
   providers: [

@@ -2283,7 +2283,10 @@
             "no-entity-selected": "No entity selected",
             "no-image": "No image",
             "no-support-geolocation": "Your browser doesn't support geolocation",
-            "no-support-web-camera": "No supported web camera",
+            "no-support-web-camera": "Your browser does not support cameras",
+            "enable-https-use-widget": "Please enable HTTPS to use this widget",
+            "no-found-your-camera": "Can't find your camera",
+            "no-permission-camera": "Permission was denied by the user / This site doesn't have permission to use the camera",
             "no-timeseries-selected": "No timeseries selected",
             "secret-key": "Secret key",
             "secret-key-required": "Secret key is required",