Dynamic Modals (#417)

* Move backdrop and click handler to modal service since they should not be used in web

* Add support for opening modals using ViewContainerRef

angular/src/components/password-reprompt.component.ts

@@ -0,0 +1,30 @@
+import { Directive } from '@angular/core';
+
+import { CryptoService } from 'jslib-common/abstractions/crypto.service';
+import { I18nService } from 'jslib-common/abstractions/i18n.service';
+import { PlatformUtilsService } from 'jslib-common/abstractions/platformUtils.service';
+import { ModalRef } from './modal/modal.ref';
+
+@Directive()
+export class PasswordRepromptComponent {
+
+    showPassword = false;
+    masterPassword = '';
+
+    constructor(private modalRef: ModalRef, private cryptoService: CryptoService, private platformUtilsService: PlatformUtilsService,
+        private i18nService: I18nService) {}
+
+    togglePassword() {
+        this.showPassword = !this.showPassword;
+    }
+
+    async submit() {
+        if (!await this.cryptoService.compareAndUpdateKeyHash(this.masterPassword, null)) {
+            this.platformUtilsService.showToast('error', this.i18nService.t('errorOccurred'),
+                this.i18nService.t('invalidMasterPassword'));
+            return;
+        }
+
+        this.modalRef.close(true);
+    }
+}