annotate js/feed-preview.js @ 27:15b828787c8b

Add Dutch translations
author Tonnes <tonnes.mb@gmail.com>
date Sun, 20 Jan 2019 17:52:22 +0100
parents f0c4a458869c
children 688d75e554e0
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
6
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
1 /*
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
2 * Copyright (C) 2018 Guido Berhoerster <guido+feed-preview@berhoerster.name>
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
3 *
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
4 * This Source Code Form is subject to the terms of the Mozilla Public
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
5 * License, v. 2.0. If a copy of the MPL was not distributed with this
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
6 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
7 */
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
8
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
9 'use strict';
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
10
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
11 export function renderFeedPreview(feedPreviewDocument, feed) {
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
12 // inject XSL stylesheet which transforms XHTML to HTML allowing the use of
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
13 // the HTML DOM
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
14 let xslFilename = browser.runtime.getURL('web_resources/xhtml-to-html.xsl');
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
15 let xmlStylesheetNode =
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
16 feedPreviewDocument.createProcessingInstruction('xml-stylesheet',
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
17 `type="application/xslt+xml" href="${xslFilename}"`);
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
18 feedPreviewDocument.firstChild.after(xmlStylesheetNode);
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
19
10
ff5e5e3eba32 Implement feed subscription for web-based feed readers
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents: 9
diff changeset
20 feedPreviewDocument.querySelector('#default-stylesheet').href =
6
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
21 browser.runtime.getURL('web_resources/style/feed-preview.css');
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
22
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
23 feedPreviewDocument.querySelector('title').textContent = feed.title;
10
ff5e5e3eba32 Implement feed subscription for web-based feed readers
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents: 9
diff changeset
24
ff5e5e3eba32 Implement feed subscription for web-based feed readers
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents: 9
diff changeset
25 feedPreviewDocument.querySelector('label[for="feed-reader-selection"]')
ff5e5e3eba32 Implement feed subscription for web-based feed readers
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents: 9
diff changeset
26 .textContent = browser.i18n.getMessage('feedReaderSelectionLabel');
ff5e5e3eba32 Implement feed subscription for web-based feed readers
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents: 9
diff changeset
27 feedPreviewDocument.querySelector('[name="subscribe"]').textContent =
ff5e5e3eba32 Implement feed subscription for web-based feed readers
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents: 9
diff changeset
28 browser.i18n.getMessage('subscribeButtonLabel');
ff5e5e3eba32 Implement feed subscription for web-based feed readers
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents: 9
diff changeset
29
6
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
30 feedPreviewDocument.querySelector('#feed-title').textContent = feed.title;
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
31 feedPreviewDocument.querySelector('#feed-subtitle').textContent =
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
32 feed.subtitle;
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
33
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
34 if (typeof feed.logo !== 'undefined') {
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
35 let feedLogoTemplate =
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
36 feedPreviewDocument.querySelector('#feed-logo-template');
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
37 let logoNode = feedPreviewDocument.importNode(feedLogoTemplate.content,
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
38 true);
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
39 let imgElement = logoNode.querySelector('#feed-logo');
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
40 imgElement.setAttribute('src', feed.logo.url);
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
41 imgElement.setAttribute('alt', feed.logo.title);
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
42 feedPreviewDocument.querySelector('#feed-header').prepend(logoNode);
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
43 }
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
44
9
fcd65cf3f634 Simplify the hint shown if there are no entries
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents: 6
diff changeset
45 feedPreviewDocument.querySelector("#no-entries-hint").textContent =
fcd65cf3f634 Simplify the hint shown if there are no entries
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents: 6
diff changeset
46 browser.i18n.getMessage('noEntriesHint');
fcd65cf3f634 Simplify the hint shown if there are no entries
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents: 6
diff changeset
47
6
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
48 let entryTemplateElement =
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
49 feedPreviewDocument.querySelector('#entry-template');
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
50 let entryTitleTemplateElement =
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
51 feedPreviewDocument.querySelector('#entry-title-template');
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
52 let entryTitleLinkedTemplateElement =
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
53 feedPreviewDocument.querySelector('#entry-title-linked-template');
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
54 let entryFileListTemplateElement =
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
55 feedPreviewDocument.querySelector('#entry-files-list-template');
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
56 let entryFileTemplateElement =
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
57 feedPreviewDocument.querySelector('#entry-file-template');
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
58 for (let entry of feed.entries) {
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
59 let entryNode =
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
60 feedPreviewDocument.importNode(entryTemplateElement.content,
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
61 true);
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
62 let titleElement;
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
63 let titleNode;
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
64
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
65 if (typeof entry.link !== 'undefined') {
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
66 titleNode = feedPreviewDocument
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
67 .importNode(entryTitleLinkedTemplateElement.content, true);
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
68 titleElement = titleNode.querySelector('.entry-link');
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
69 titleElement.href = entry.link;
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
70 titleElement.title = entry.title;
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
71 } else {
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
72 titleNode = feedPreviewDocument
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
73 .importNode(entryTitleTemplateElement.content, true);
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
74 titleElement = titleNode.querySelector('.entry-title');
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
75 }
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
76 titleElement.textContent = entry.title;
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
77 entryNode.querySelector('.entry-header').prepend(titleNode);
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
78
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
79 let timeElement = entryNode.querySelector('.entry-date > time');
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
80 timeElement.textContent = entry.date.toLocaleString();
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
81
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
82 let contentElement = entryNode.querySelector('.entry-content');
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
83 let contentDocument = new DOMParser().parseFromString(entry.content,
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
84 'text/html');
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
85 let stylesheetElement = contentDocument.createElement('link');
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
86 stylesheetElement.rel = 'stylesheet';
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
87 stylesheetElement.href =
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
88 browser.runtime.getURL('web_resources/style/entry-content.css');
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
89 contentDocument.head.appendChild(stylesheetElement);
26
f0c4a458869c Open links within feed content in a new tab
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents: 10
diff changeset
90 // open links in a new tab rather than within the iframe
f0c4a458869c Open links within feed content in a new tab
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents: 10
diff changeset
91 for (let linkElement of contentDocument.links) {
f0c4a458869c Open links within feed content in a new tab
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents: 10
diff changeset
92 linkElement.target = '_blank';
f0c4a458869c Open links within feed content in a new tab
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents: 10
diff changeset
93 }
6
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
94 contentElement.srcdoc = new XMLSerializer()
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
95 .serializeToString(contentDocument);
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
96 contentElement.title = entry.title;
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
97
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
98 if (entry.files.length > 0) {
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
99 let fileListNode = feedPreviewDocument
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
100 .importNode(entryFileListTemplateElement.content, true);
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
101 fileListNode.querySelector('.entry-files-title').textContent =
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
102 browser.i18n.getMessage('filesTitle');
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
103 let fileListElement =
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
104 fileListNode.querySelector('.entry-files-list');
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
105
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
106 for (let file of entry.files) {
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
107 let fileNode = feedPreviewDocument
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
108 .importNode(entryFileTemplateElement.content, true);
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
109
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
110 let fileLinkElement =
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
111 fileNode.querySelector('.entry-file-link');
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
112 fileLinkElement.href = file.url;
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
113 fileLinkElement.title = file.filename;
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
114 fileLinkElement.textContent = file.filename;
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
115
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
116 fileNode.querySelector('.entry-file-info').textContent =
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
117 `(${file.type}, ${file.size} bytes)`;
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
118
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
119 fileListElement.appendChild(fileNode);
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
120 }
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
121
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
122 entryNode.querySelector('.entry').append(fileListNode);
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
123 }
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
124
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
125 feedPreviewDocument.body.append(entryNode);
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
126 }
5d7c13e998e9 Create feed previews using a stream filter
Guido Berhoerster <guido+feed-preview@berhoerster.name>
parents:
diff changeset
127 }