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# -*- coding: utf-8 -*-
# Preview Image
require 'gtk2'
Plugin.create :openimg do
DEFAULT_SIZE = [640, 480].freeze
@size = DEFAULT_SIZE
@position = [Gdk.screen_width/2 - @size[0]/2, Gdk.screen_height/2 - @size[1]/2].freeze
def move(window)
@position = window.position.freeze end
def changesize(eb, w, url)
eb.remove(eb.children.first)
@size = w.window.geometry[2,2].freeze
eb.add(::Gtk::WebIcon.new(url, *@size).show_all)
@size end
def redraw(eb, pb)
ew, eh = eb.window.geometry[2,2]
return if(ew == 0 or eh == 0)
pb = pb.dup
pb = pb.scale(*Gdk::WebImageLoader.calc_fitclop(pb, Gdk::Rectangle.new(0, 0, ew, eh)))
eb.window.draw_pixbuf(nil, pb, 0, 0, (ew - pb.width)/2, (eh - pb.height)/2, -1, -1, Gdk::RGB::DITHER_NORMAL, 0, 0) end
def display(url, cancel = nil)
w = ::Gtk::Window.new.set_title("（読み込み中）")
w.set_size_request(320, 240)
w.set_default_size(*@size).move(*@position)
w.signal_connect(:destroy){ w.destroy }
eventbox = ::Gtk::EventBox.new
w.add(eventbox)
size = DEFAULT_SIZE
Thread.new{
url = url.value if url.is_a? Thread
if not(url) or not(url.respond_to?(:to_s))
Delayer.new{
unless w.destroyed?
if cancel
w.destroy
cancel.call
else
w.set_title("URLの取得に失敗") end end }
else
pixbuf = Gdk::WebImageLoader.loading_pixbuf(*@size)
raw = Gdk::WebImageLoader.get_raw_data(url){ |data|
if not eventbox.destroyed?
if data
begin
loader = Gdk::PixbufLoader.new
loader.write data
loader.close
pixbuf = loader.pixbuf
rescue => e
pixbuf = Gdk::WebImageLoader.notfound_pixbuf(*@size) end
else
pixbuf = Gdk::WebImageLoader.notfound_pixbuf(*@size) end
eventbox.queue_draw_area(0, 0, *eventbox.window.geometry[2,2]) end }
if raw and raw != :wait
loader = Gdk::PixbufLoader.new
loader.write raw
loader.close
pixbuf = loader.pixbuf end
Delayer.new{
unless w.destroyed?
w.set_title(url.to_s)
eventbox.signal_connect("event"){ |ev, event|
if event.is_a?(Gdk::EventButton) and (event.state.button1_mask?) and event.button == 1
w.destroy
cancel.call if cancel
end
false }
eventbox.signal_connect("expose_event"){ |ev, event|
redraw(eventbox, pixbuf)
move(w)
true }
eventbox.signal_connect(:"size-allocate"){
if w.window and size != w.window.geometry[2,2]
redraw(eventbox, pixbuf)
size = w.window.geometry[2,2] end }
redraw(eventbox, pixbuf)
eventbox end } end }
w.show_all end
def get_tag_by_attributes(tag)
attribute = {}
tag.each_matches(/([a-zA-Z0-9]+?)=(['"])(.*?)\2/){ |pair, pos|
key, val = pair[1], pair[3]
attribute[key] = val }
attribute.freeze end
def get_tagattr(dom, element_rule)
element_rule = element_rule.melt
tag_name = element_rule['tag'] or 'img'
attr_name = element_rule.has_key?('attribute') ? element_rule['attribute'] : 'src'
element_rule.delete('tag')
element_rule.delete('attribute')
if dom
attribute = {}
catch(:imgtag_match){
dom.gsub("\n", ' ').each_matches(Regexp.new("<#{tag_name}.*?>")){ |str, pos|
attr = get_tag_by_attributes(str.to_s)
if element_rule.all?{ |k, v| v === attr[k] }
attribute = attr.freeze
throw :imgtag_match end } }
unless attribute.empty?
return attr_name ? attribute[attr_name.to_s] : attribute end end
notice 'not matched'
nil end
def imgurlresolver(url, element_rule, limit=5, &block)
return nil if limit <= 0
return block.call(url) if block != nil
res = dom = nil
begin
uri = URI.parse(url)
path = uri.path + (uri.query ? "?"+uri.query : "")
res = Net::HTTP.new(uri.host).get(path, "User-Agent" => Environment::NAME + '/' + Environment::VERSION.to_s)
case(res)
when Net::HTTPSuccess
address = get_tagattr(res.body, element_rule)
case address
when /^https?:/
# Complete URL
result = address
when /^\/\//
# No scheme
result = "http:" + address
when /^\//
# Absolute path
result = uri.dup
result.path = address
else
# Relative path
result = uri.dup
result.merge!(address)
end
notice result.inspect
result.to_s
when Net::HTTPRedirection
return imgurlresolver(res['Location'], element_rule, limit - 1, &block)
else
warn "#{res.code} failed"
nil end
rescue Timeout::Error, StandardError => e
warn e
nil end end
def addsupport(cond, element_rule = {}, &block)
element_rule.freeze
if block == nil
::Gtk::TimeLine.addopenway(cond){ |shrinked_url, cancel|
url = MessageConverters.expand_url_one(shrinked_url)
Delayer.new(Delayer::NORMAL, Thread.new{ imgurlresolver(url, element_rule) }){ |url|
display(url, cancel)
}
}
else
::Gtk::TimeLine.addopenway(cond){ |shrinked_url, cancel|
url = MessageConverters.expand_url_one(shrinked_url)
Delayer.new(Delayer::NORMAL, Thread.new{
imgurlresolver(url, element_rule){ |url| block.call(url, cancel) }
}) {|url|
display(url, cancel)
}
}
end
end
pattern = JSON.parse(file_get_contents(File.expand_path(File.join(File.dirname(__FILE__), 'pattern_file.json'))))
pattern.each{ |name, config|
addsupport(Regexp.new(config["url"]), config["attribute"])
}
# plixi 参考: http://groups.google.com/group/plixi/web/fetch-photos-from-url
addsupport(/^http:\/\/plixi\.com\/p\/\d+/, 'id' => 'photo') { |url, cancel|
addr = "http://api.plixi.com/api/tpapi.svc/imagefromurl?size=medium&url=" + url
response = Net::HTTP.get_response(URI.parse(addr))
if response.is_a?(Net::HTTPRedirection)
response['location']
else
warn "plixi url failed"
nil
end
}
# Tumblr image
# http://tmblr.co/[-\w]+ http://tumblr.com/[[:36進数:]]+
# http://{screen-name}.tumblr.com/post/\d+
# 上記を展開し、記事タイプがphotoかphotosetなら /post/ を /image/ にすると
# 単一画像ページが得られることを利用した画像展開
addsupport(/^http:\/\/([-0-9a-z]+\.tumblr\.com\/post\/\d+|tmblr\.co\/[-\w]+$|tumblr\.com\/[0-9a-z]+$)/, nil) { |url, cancel|
def fetch(t)
req = URI.parse(t)
res = Net::HTTP.new(req.host).request_head(req.path)
case res
when Net::HTTPSuccess
t
when Net::HTTPRedirection
fetch(res['location'])
else
nil
end
end
t = fetch(url)
/^(http:\/\/[^\/]+\/)post(\/\d+)/ =~ t
if $~
imgurlresolver($1 + "image" + $2, 'id' => 'image')
else
warn "たんぶらの記事ページじゃないっぽい"
nil
end
}
::Gtk::TimeLine.addopenway(/.*\.(?:jpg|png|gif|)$/) { |shrinked_url, cancel|
url = MessageConverters.expand_url_one(shrinked_url)
Delayer.new(Delayer::NORMAL) { display(url, cancel) }
}
end
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