[ADF-2415] PDF Viewer - open password protected pdf files (#3022)

* pdf password dialog

* PDF viewer onPassword test

* pdf password dialog

* PDF viewer onPassword test

* test

* test

* test

* test

* test

* test

* test

* fix password test

* travis improvements

lib/core/viewer/components/pdfViewer-password-dialog.ts

@@ -0,0 +1,52 @@
+/*!
+ * @license
+ * Copyright 2016 Alfresco Software, Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { Component, Inject, OnInit } from '@angular/core';
+import { MatDialogRef, MAT_DIALOG_DATA } from '@angular/material';
+import { FormControl, Validators } from '@angular/forms';
+
+declare let PDFJS: any;
+
+@Component({
+    selector: 'adf-pdf-viewer-password-dialog',
+    templateUrl: './pdfViewer-password-dialog.html',
+    styleUrls: [ './pdfViewer-password-dialog.scss' ]
+})
+export class PdfPasswordDialogComponent implements OnInit {
+    passwordFormControl: FormControl;
+
+    constructor(
+        private dialogRef: MatDialogRef<PdfPasswordDialogComponent>,
+        @Inject(MAT_DIALOG_DATA) public data: any
+    ) {}
+
+    ngOnInit() {
+        this.passwordFormControl = new FormControl('', [Validators.required]);
+    }
+
+    isError(): boolean {
+        return this.data.reason === PDFJS.PasswordResponses.INCORRECT_PASSWORD;
+    }
+
+    isValid(): boolean {
+        return !this.passwordFormControl.hasError('required');
+    }
+
+    submit(): void {
+        this.dialogRef.close(this.passwordFormControl.value);
+    }
+}