blob: 4dfbff8ec864639c2967807ae816f8fccea9fd62 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
module Banzai
module Filter
# HTML Filter that handles video uploads.
class VideoLinkFilter < HTML::Pipeline::Filter
include ActionView::Helpers::TagHelper
include ActionView::Context
def call
doc.xpath(query).each do |el|
el.replace(video_node(doc, el))
end
doc
end
private
def query
@query ||= begin
src_query = UploaderHelper::VIDEO_EXT.map do |ext|
"'.#{ext}' = substring(@src, string-length(@src) - #{ext.size})"
end
"descendant-or-self::img[not(ancestor::a) and (#{src_query.join(' or ')})]"
end
end
# Return a video tag Nokogiri node
#
def video_node(doc, element)
container = doc.document.create_element(
'div',
class: 'video-container'
)
video = doc.document.create_element(
'video',
src: element['src'],
class: 'video-js vjs-sublime-skin',
controls: true,
"data-setup": '{}')
link = doc.document.create_element(
'a',
element['title'] || element['alt'],
href: element['src'],
target: '_blank',
title: "Downlad '#{element['title'] || element['alt']}'")
download_paragraph = doc.document.create_element('p')
download_paragraph.children = link
container.add_child(video)
container.add_child(download_paragraph)
container
end
end
end
end
|
