Tim van der Meij
11 years ago
10 changed files with 384 additions and 17 deletions
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/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
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/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */ |
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/* Copyright 2012 Mozilla Foundation |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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/* globals PDFView, mozL10n */ |
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'use strict'; |
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var DocumentProperties = { |
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overlayContainer: null, |
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fileSize: '', |
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visible: false, |
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// Document property fields (in the viewer).
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fileNameField: null, |
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fileSizeField: null, |
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titleField: null, |
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authorField: null, |
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subjectField: null, |
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keywordsField: null, |
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creationDateField: null, |
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modificationDateField: null, |
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creatorField: null, |
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producerField: null, |
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versionField: null, |
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pageCountField: null, |
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initialize: function documentPropertiesInitialize(options) { |
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this.overlayContainer = options.overlayContainer; |
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// Set the document property fields.
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this.fileNameField = options.fileNameField; |
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this.fileSizeField = options.fileSizeField; |
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this.titleField = options.titleField; |
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this.authorField = options.authorField; |
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this.subjectField = options.subjectField; |
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this.keywordsField = options.keywordsField; |
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this.creationDateField = options.creationDateField; |
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this.modificationDateField = options.modificationDateField; |
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this.creatorField = options.creatorField; |
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this.producerField = options.producerField; |
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this.versionField = options.versionField; |
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this.pageCountField = options.pageCountField; |
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// Bind the event listener for the Close button.
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if (options.closeButton) { |
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options.closeButton.addEventListener('click', this.hide.bind(this)); |
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} |
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}, |
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getProperties: function documentPropertiesGetProperties() { |
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var self = this; |
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// Get the file size.
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PDFView.pdfDocument.dataLoaded().then(function(data) { |
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self.setFileSize(data.length); |
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}); |
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// Get the other document properties.
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PDFView.pdfDocument.getMetadata().then(function(data) { |
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var fields = [ |
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{ field: self.fileNameField, content: PDFView.url }, |
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{ field: self.fileSizeField, content: self.fileSize }, |
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{ field: self.titleField, content: data.info.Title }, |
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{ field: self.authorField, content: data.info.Author }, |
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{ field: self.subjectField, content: data.info.Subject }, |
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{ field: self.keywordsField, content: data.info.Keywords }, |
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{ field: self.creationDateField, |
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content: self.parseDate(data.info.CreationDate) }, |
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{ field: self.modificationDateField, |
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content: self.parseDate(data.info.ModDate) }, |
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{ field: self.creatorField, content: data.info.Creator }, |
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{ field: self.producerField, content: data.info.Producer }, |
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{ field: self.versionField, content: data.info.PDFFormatVersion }, |
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{ field: self.pageCountField, content: PDFView.pdfDocument.numPages } |
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]; |
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// Show the properties in the dialog.
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for (var item in fields) { |
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var element = fields[item]; |
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if (element.field && element.content !== undefined && |
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element.content !== '') { |
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element.field.textContent = element.content; |
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} |
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} |
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}); |
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}, |
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setFileSize: function documentPropertiesSetFileSize(fileSize) { |
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var kb = Math.round(fileSize / 1024); |
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if (kb < 1024) { |
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this.fileSize = mozL10n.get('document_properties_kb', |
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{size_kb: kb}, '{{size_kb}} KB'); |
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} else { |
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var mb = Math.round((kb / 1024) * 100) / 100; |
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this.fileSize = mozL10n.get('document_properties_mb', |
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{size_mb: mb}, '{{size_mb}} MB'); |
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} |
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}, |
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show: function documentPropertiesShow() { |
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if (this.visible) { |
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return; |
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} |
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this.visible = true; |
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this.overlayContainer.classList.remove('hidden'); |
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this.overlayContainer.lastElementChild.classList.remove('hidden'); |
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this.getProperties(); |
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}, |
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hide: function documentPropertiesClose() { |
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if (!this.visible) { |
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return; |
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} |
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this.visible = false; |
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this.overlayContainer.classList.add('hidden'); |
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this.overlayContainer.lastElementChild.classList.add('hidden'); |
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}, |
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parseDate: function documentPropertiesParseDate(inputDate) { |
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// This is implemented according to the PDF specification (see
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// http://www.gnupdf.org/Date for an overview), but note that
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// Adobe Reader doesn't handle changing the date to universal time
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// and doesn't use the user's time zone (they're effectively ignoring
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// the HH' and mm' parts of the date string).
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var dateToParse = inputDate; |
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if (dateToParse === undefined) { |
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return ''; |
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} |
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// Remove the D: prefix if it is available.
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if (dateToParse.substring(0,2) === 'D:') { |
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dateToParse = dateToParse.substring(2); |
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} |
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// Get all elements from the PDF date string.
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// JavaScript's Date object expects the month to be between
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// 0 and 11 instead of 1 and 12, so we're correcting for this.
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var year = parseInt(dateToParse.substring(0,4), 10); |
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var month = parseInt(dateToParse.substring(4,6), 10) - 1; |
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var day = parseInt(dateToParse.substring(6,8), 10); |
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var hours = parseInt(dateToParse.substring(8,10), 10); |
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var minutes = parseInt(dateToParse.substring(10,12), 10); |
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var seconds = parseInt(dateToParse.substring(12,14), 10); |
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var utRel = dateToParse.substring(14,15); |
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var offsetHours = parseInt(dateToParse.substring(15,17), 10); |
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var offsetMinutes = parseInt(dateToParse.substring(18,20), 10); |
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// As per spec, utRel = 'Z' means equal to universal time.
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// The other cases ('-' and '+') have to be handled here.
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if (utRel == '-') { |
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hours += offsetHours; |
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minutes += offsetMinutes; |
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} else if (utRel == '+') { |
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hours -= offsetHours; |
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minutes += offsetMinutes; |
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} |
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// Return the new date format from the user's locale.
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var date = new Date(Date.UTC(year, month, day, hours, minutes, seconds)); |
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var dateString = date.toLocaleDateString(); |
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var timeString = date.toLocaleTimeString(); |
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return mozL10n.get('document_properties_date_string', |
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{date: dateString, time: timeString}, |
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'{{date}}, {{time}}'); |
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} |
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}; |
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After Width: | Height: | Size: 1.2 KiB |
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