Remove ng2-pdf-viewer and use only native viewer

src-ui/src/app/components/document-detail/document-detail.component.html

@@ -1,14 +1,4 @@
 <app-page-header [(title)]="title">
-    <div class="input-group input-group-sm mr-5 d-none d-md-flex" *ngIf="getContentType() == 'application/pdf' && !useNativePdfViewer">
-      <div class="input-group-prepend">
-        <div class="input-group-text" i18n>Page</div>
-      </div>
-      <input class="form-control flex-grow-0 w-auto" type="number" min="1" [max]="previewNumPages" [(ngModel)]="previewCurrentPage" />
-      <div class="input-group-append">
-        <div class="input-group-text" i18n>of {{previewNumPages}}</div>
-      </div>
-    </div>
-
     <button type="button" class="btn btn-sm btn-outline-danger mr-2 ml-auto" (click)="delete()">
         <svg class="buttonicon" fill="currentColor">
             <use xlink:href="assets/bootstrap-icons.svg#trash" />
@@ -135,12 +125,7 @@
 
     <div class="col-md-6 col-xl-8 mb-3">
         <ng-container *ngIf="getContentType() == 'application/pdf'">
-            <div class="preview-sticky pdf-viewer-container" *ngIf="!useNativePdfViewer ; else nativePdfViewer">
-                <pdf-viewer [src]="previewUrl" [original-size]="false" [show-borders]="true" [show-all]="true" [(page)]="previewCurrentPage" [render-text-mode]="2" (after-load-complete)="pdfPreviewLoaded($event)"></pdf-viewer>
-            </div>
-            <ng-template #nativePdfViewer>
-                <object [data]="previewUrl | safe" type="application/pdf" class="preview-sticky" width="100%"></object>
-            </ng-template>
+          <object [data]="previewUrl | safe" class="preview-sticky" width="100%">If error</object>
         </ng-container>
         <ng-container *ngIf="getContentType() == 'text/plain'">
             <object [data]="previewUrl | safe" type="text/plain" class="preview-sticky" width="100%"></object>

src-ui/src/app/components/document-detail/document-detail.component.ts

@@ -15,7 +15,6 @@ import { DocumentService } from 'src/app/services/rest/document.service';
 import { ConfirmDialogComponent } from '../common/confirm-dialog/confirm-dialog.component';
 import { CorrespondentEditDialogComponent } from '../manage/correspondent-list/correspondent-edit-dialog/correspondent-edit-dialog.component';
 import { DocumentTypeEditDialogComponent } from '../manage/document-type-list/document-type-edit-dialog/document-type-edit-dialog.component';
-import { PDFDocumentProxy } from 'ng2-pdf-viewer';
 import { ToastService } from 'src/app/services/toast.service';
 import { TextComponent } from '../common/input/text/text.component';
 import { SettingsService, SETTINGS_KEYS } from 'src/app/services/settings.service';
@@ -61,9 +60,6 @@ export class DocumentDetailComponent implements OnInit {
     tags: new FormControl([])
   })
 
-  previewCurrentPage: number = 1
-  previewNumPages: number = 1
-
   constructor(
     private documentsService: DocumentService,
     private route: ActivatedRoute,
@@ -77,10 +73,6 @@ export class DocumentDetailComponent implements OnInit {
     private toastService: ToastService,
     private settings: SettingsService) { }
 
-  get useNativePdfViewer(): boolean {
-    return this.settings.get(SETTINGS_KEYS.USE_NATIVE_PDF_VIEWER)
-  }
-
   getContentType() {
     return this.metadata?.has_archive_version ? 'application/pdf' : this.metadata?.original_mime_type
   }
@@ -222,8 +214,4 @@ export class DocumentDetailComponent implements OnInit {
     return this.documentListViewService.hasNext(this.documentId)
   }
 
-  pdfPreviewLoaded(pdf: PDFDocumentProxy) {
-    this.previewNumPages = pdf.numPages
-  }
-
 }

src-ui/src/app/components/document-list/document-card-small/document-card-small.component.html

@@ -47,15 +47,9 @@
           </a>
           <ng-template #previewContent>
             <ng-container *ngIf="getContentType() == 'application/pdf'">
-                <div class="preview pdf-viewer-container" *ngIf="!useNativePdfViewer ; else nativePdfViewer">
-                  <div class="spinner-border text-primary spinner-border-sm" role="status">
-                    <span class="sr-only">Loading...</span>
-                  </div>
-                  <pdf-viewer [src]="previewUrl" [original-size]="false" [show-borders]="false" [show-all]="true" [render-text-mode]="2"></pdf-viewer>
+                <div class="preview">
+                  <object [data]="previewUrl | safe" class="preview" width="100%"></object>
                 </div>
-                <ng-template #nativePdfViewer>
-                    <object [data]="previewUrl | safe" type="application/pdf" class="preview" width="100%"></object>
-                </ng-template>
             </ng-container>
             <ng-container *ngIf="getContentType() == 'text/plain'">
                 <object [data]="previewUrl | safe" type="text/plain" class="preview" width="100%"></object>

src-ui/src/app/components/document-list/document-card-small/document-card-small.component.ts

@@ -70,10 +70,6 @@ export class DocumentCardSmallComponent implements OnInit {
     )
   }
 
-  get useNativePdfViewer(): boolean {
-    return this.settings.get(SETTINGS_KEYS.USE_NATIVE_PDF_VIEWER)
-  }
-
   getContentType() {
     return this.metadata?.has_archive_version ? 'application/pdf' : this.metadata?.original_mime_type
   }

src-ui/src/app/components/manage/settings/settings.component.ts

@@ -21,7 +21,6 @@ export class SettingsComponent implements OnInit {
     'documentListItemPerPage': new FormControl(this.settings.get(SETTINGS_KEYS.DOCUMENT_LIST_SIZE)),
     'darkModeUseSystem': new FormControl(this.settings.get(SETTINGS_KEYS.DARK_MODE_USE_SYSTEM)),
     'darkModeEnabled': new FormControl(this.settings.get(SETTINGS_KEYS.DARK_MODE_ENABLED)),
-    'useNativePdfViewer': new FormControl(this.settings.get(SETTINGS_KEYS.USE_NATIVE_PDF_VIEWER)),
     'savedViews': this.savedViewGroup,
     'displayLanguage': new FormControl(this.settings.getLanguage()),
     'dateLocale': new FormControl(this.settings.get(SETTINGS_KEYS.DATE_LOCALE)),
@@ -74,7 +73,6 @@ export class SettingsComponent implements OnInit {
     this.settings.set(SETTINGS_KEYS.DOCUMENT_LIST_SIZE, this.settingsForm.value.documentListItemPerPage)
     this.settings.set(SETTINGS_KEYS.DARK_MODE_USE_SYSTEM, this.settingsForm.value.darkModeUseSystem)
     this.settings.set(SETTINGS_KEYS.DARK_MODE_ENABLED, (this.settingsForm.value.darkModeEnabled == true).toString())
-    this.settings.set(SETTINGS_KEYS.USE_NATIVE_PDF_VIEWER, this.settingsForm.value.useNativePdfViewer)
     this.settings.set(SETTINGS_KEYS.DATE_LOCALE, this.settingsForm.value.dateLocale)
     this.settings.set(SETTINGS_KEYS.DATE_FORMAT, this.settingsForm.value.dateFormat)
     this.settings.set(SETTINGS_KEYS.NOTIFICATIONS_CONSUMER_NEW_DOCUMENT, this.settingsForm.value.notificationsConsumerNewDocument)