1141 lines
47 KiB
Ruby
Executable File
1141 lines
47 KiB
Ruby
Executable File
# Set encoding to utf-8
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# encoding: UTF-8
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#
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# BigBlueButton open source conferencing system - http://www.bigbluebutton.org/
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#
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# Copyright (c) 2012 BigBlueButton Inc. and by respective authors (see below).
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#
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# This program is free software; you can redistribute it and/or modify it under the
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# terms of the GNU Lesser General Public License as published by the Free Software
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# Foundation; either version 3.0 of the License, or (at your option) any later
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# version.
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#
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# BigBlueButton is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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# PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License along
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# with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
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#
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performance_start = Time.now
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require '../../core/lib/recordandplayback'
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require 'rubygems'
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require 'trollop'
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require 'yaml'
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require 'builder'
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require 'fastimage' # require fastimage to get the image size of the slides (gem install fastimage)
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# used to convert the colours to hex
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class String
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def convert_base(from, to)
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self.to_i(from).to_s(to)
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end
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end
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def processPanAndZooms
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#Create panzooms.xml
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BigBlueButton.logger.info("Creating panzooms.xml")
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$panzooms_xml = Nokogiri::XML::Builder.new do |xml|
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$xml = xml
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$xml.recording('id' => 'panzoom_events') do
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h_ratio_prev = nil
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w_ratio_prev = nil
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x_prev = nil
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y_prev = nil
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timestamp_orig_prev = nil
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timestamp_prev = nil
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last_time = nil
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if $panzoom_events.empty?
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BigBlueButton.logger.info("No panzoom events; old recording?")
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BigBlueButton.logger.info("Synthesizing a panzoom event")
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if !$slides_events.empty?
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timestamp_orig = $slides_events.first[:timestamp].to_f
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# make sure this is scheduled *after* the slide is shown. Dunno if needed.
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timestamp_orig += 1000
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timestamp = ( translateTimestamp(timestamp_orig) / 1000 ).round(1)
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$xml.event(:timestamp => timestamp, :orig => timestamp_orig) do
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$xml.viewBox "0 0 #{$vbox_width} #{$vbox_height}"
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end
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timestamp_orig_prev = timestamp_orig
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timestamp_prev = timestamp
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h_ratio_prev = 100
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w_ratio_prev = 100
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x_prev = 0
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y_prev = 0
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else
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BigBlueButton.logger.info("Couldn't find any slides! panzooms will be empty.")
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end
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else
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last_time = $panzoom_events.last[:timestamp].to_f
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end
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$panzoom_events.each do |panZoomEvent|
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# Get variables
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timestamp_orig = panZoomEvent[:timestamp].to_f
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timestamp = ( translateTimestamp(timestamp_orig) / 1000 ).round(1)
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h_ratio = panZoomEvent.xpath(".//heightRatio")[0].text()
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w_ratio = panZoomEvent.xpath(".//widthRatio")[0].text()
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x = panZoomEvent.xpath(".//xOffset")[0].text()
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y = panZoomEvent.xpath(".//yOffset")[0].text()
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if(timestamp_prev == timestamp)
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if(timestamp_orig == last_time)
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if(h_ratio && w_ratio && x && y)
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$xml.event(:timestamp => timestamp, :orig => timestamp_orig) do
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$ss.each do |key,val|
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$val = val
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if key === timestamp
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$vbox_width = $val[0]
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$vbox_height = $val[1]
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end
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end
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$xml.viewBox "#{($vbox_width-((1-((x.to_f.abs)*$magic_mystery_number/100.0))*$vbox_width))} #{($vbox_height-((1-((y.to_f.abs)*$magic_mystery_number/100.0))*$vbox_height)).round(2)} #{((w_ratio.to_f/100.0)*$vbox_width).round(1)} #{((h_ratio.to_f/100.0)*$vbox_height).round(1)}"
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end
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end
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end
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# do nothing because playback can't react that fast
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else
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if(h_ratio_prev && w_ratio_prev && x_prev && y_prev)
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$xml.event(:timestamp => timestamp_prev, :orig => timestamp_orig_prev) do
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$ss.each do |key,val|
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$val = val
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if key === timestamp_prev
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$vbox_width = $val[0]
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$vbox_height = $val[1]
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end
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end
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$xml.viewBox "#{($vbox_width-((1-((x_prev.to_f.abs)*$magic_mystery_number/100.0))*$vbox_width))} #{($vbox_height-((1-((y_prev.to_f.abs)*$magic_mystery_number/100.0))*$vbox_height)).round(2)} #{((w_ratio_prev.to_f/100.0)*$vbox_width).round(1)} #{((h_ratio_prev.to_f/100.0)*$vbox_height).round(1)}"
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end
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end
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end
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timestamp_prev = timestamp
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timestamp_orig_prev = timestamp_orig
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h_ratio_prev = h_ratio
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w_ratio_prev = w_ratio
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x_prev = x
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y_prev = y
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end
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$xml.event(:timestamp => timestamp_prev, :orig => timestamp_orig_prev) do
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$ss.each do |key,val|
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$val = val
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if key === timestamp_prev
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$vbox_width = $val[0]
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$vbox_height = $val[1]
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end
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end
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$xml.viewBox "#{($vbox_width-((1-((x_prev.to_f.abs)*$magic_mystery_number/100.0))*$vbox_width))} #{($vbox_height-((1-((y_prev.to_f.abs)*$magic_mystery_number/100.0))*$vbox_height)).round(2)} #{((w_ratio_prev.to_f/100.0)*$vbox_width).round(1)} #{((h_ratio_prev.to_f/100.0)*$vbox_height).round(1)}"
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end
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end
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end
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BigBlueButton.logger.info("Finished creating panzooms.xml")
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end
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def processCursorEvents
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BigBlueButton.logger.info("Processing cursor events")
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$cursor_xml = Nokogiri::XML::Builder.new do |xml|
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$xml = xml
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$xml.recording('id' => 'cursor_events') do
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x_prev = nil
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y_prev = nil
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timestamp_orig_prev = nil
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timestamp_prev = nil
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if(!$cursor_events.empty?)
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last_time = $cursor_events.last[:timestamp].to_f
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$cursor_events.each do |cursorEvent|
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timestamp_orig = cursorEvent[:timestamp].to_f
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timestamp = ( translateTimestamp(timestamp_orig) / 1000 ).round(1)
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x = cursorEvent.xpath(".//xOffset")[0].text()
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y = cursorEvent.xpath(".//yOffset")[0].text()
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if(timestamp_prev == timestamp)
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else
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if(x_prev && y_prev)
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$ss.each do |key,val|
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$val = val
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if key === timestamp_prev
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$vbox_width = $val[0]/2 # because the image size is twice as big as the viewbox
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$vbox_height = $val[1]/2 # because the image size is twice as big as the viewbox
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end
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end
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xPoint = ($vbox_width.to_f*x.to_f).round(1)
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yPoint = ($vbox_height.to_f*y.to_f).round(1)
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if xPoint < 800 and yPoint < 600 and xPoint > 0 and yPoint > 0
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$xml.event(:timestamp => timestamp_prev, :orig => timestamp_orig_prev) do
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$xml.cursor "#{xPoint} #{yPoint}"
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end
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end
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end
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end
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timestamp_prev = timestamp
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timestamp_orig_prev = timestamp_orig
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x_prev = x
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y_prev = y
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end
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end
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end
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end
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BigBlueButton.logger.info("Finished processing cursor events")
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end
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def processClearEvents
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# process all the cleared pages events.
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$clear_page_events.each do |clearEvent|
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#Retrieve time, page and presentation.
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clearTime = clearEvent[:timestamp].to_f
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#clearTime = ( clearEvent[:timestamp].to_f / 1000 ).round(1)
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$pageCleared = clearEvent.xpath(".//pageNumber")[0].text()
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slideFolder = clearEvent.xpath(".//presentation")[0].text()
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if $version_atleast_0_9_0
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$clearPageTimes[($prev_clear_time..clearTime)] =
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[$pageCleared, $canvas_number, "presentation/#{slideFolder}/slide-#{$pageCleared.to_i + 1}.png", nil]
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else
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$clearPageTimes[($prev_clear_time..clearTime)] =
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[$pageCleared, $canvas_number, "presentation/#{slideFolder}/slide-#{$pageCleared}.png", nil]
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end
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$prev_clear_time = clearTime
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$canvas_number+=1
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end
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end
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def processUndoEvents
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# Processing the undo events, creating/filling a hashmap called "undos".
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BigBlueButton.logger.info("Process undo events.")
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$undo_events.each do |undo|
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closest_shape = nil # Initialize as nil to prime the loop.
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t = undo[:timestamp].to_f
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$shape_events.each do |shape|
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# The undo cannot be for a shape that hasn't been drawn yet.
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if shape[:timestamp].to_f < t
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# It must be the closest shape drawn that hasn't already been undone.
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if (closest_shape == nil) || (shape[:timestamp].to_f > closest_shape[:timestamp].to_f)
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# It cannot be an undo for another shape already.
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if !($undos.has_key? shape)
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# Must be part of this presentation of course
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if shape.xpath(".//pageNumber")[0].text() == undo.xpath(".//pageNumber")[0].text()
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# Must be a shape in this page too.
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if shape.xpath(".//presentation")[0].text() == undo.xpath(".//presentation")[0].text()
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if ((shape.xpath(".//type")[0].text() == "rectangle") || (shape.xpath(".//type")[0].text() == "ellipse"))
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shape_already_processed = false
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if($undos.length == 0)
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shape_already_processed = false
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else
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$undos.each do |u, v|
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if shape.xpath(".//dataPoints")[0].text().split(",")[0] == u.xpath(".//dataPoints")[0].text().split(",")[0]
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if shape.xpath(".//dataPoints")[0].text().split(",")[1] == u.xpath(".//dataPoints")[0].text().split(",")[1]
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shape_already_processed = true
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end
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end
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end
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end
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if !(shape_already_processed)
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closest_shape = shape
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end
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else
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closest_shape = shape
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end
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end
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end
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end
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end
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end
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end
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if(closest_shape != nil)
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$undos[closest_shape] = undo[:timestamp]
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end
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end
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$undos_temp = {}
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$undos.each do |un, val|
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$undos_temp[ un[:timestamp] ] = val
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end
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$undos = $undos_temp
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BigBlueButton.logger.info("Undos: #{$undos}")
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end
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def processClearImages
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BigBlueButton.logger.info("Put image numbers in clearPageTimes")
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$slides_compiled.each do |key, val|
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$clearPageTimes.each do |cpt, pgCanvasUrl|
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# check if the src of the slide matches the url of the clear event
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if key[0] == pgCanvasUrl[2]
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# put the image number into the $clearPageTimes
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pgCanvasUrl[3] = "image#{val[2].to_i}"
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end
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end
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end
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end
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def storePencilShape
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$pencil_count = $pencil_count + 1 # always update the line count!
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$global_shape_count += 1
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$xml.g(:class => :shape, :id=>"draw#{$global_shape_count}", :timestamp => $shapeCreationTime, :undo => $shapeUndoTime, :shape =>"line#{$pencil_count}", :style => "stroke:\##{$colour_hex}; stroke-linejoin: round; stroke-linecap: round; stroke-width:#{$shapeThickness}; fill: none; visibility:hidden; ") do
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points = "#{(($shapeDataPoints[0].to_f)/100)*$vbox_width},#{(($shapeDataPoints[1].to_f)/100)*$vbox_height}"
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for i in (1...($shapeDataPoints.length/2)) do
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points += " #{(($shapeDataPoints[i*2].to_f)/100)*$vbox_width},#{(($shapeDataPoints[(i*2)+1].to_f)/100)*$vbox_height}"
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end
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$xml.polyline(:points => points)
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end
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end
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def storeLineShape
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if(($originalOriginX == (($shapeDataPoints[0].to_f)/100)*$vbox_width) && ($originalOriginY == (($shapeDataPoints[1].to_f)/100)*$vbox_height))
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# do not update the line count
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else
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$line_count = $line_count + 1
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end
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$global_shape_count += 1
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$xml.g(:class => :shape, :id => "draw#{$global_shape_count}", :timestamp => $shapeCreationTime, :undo => $shapeUndoTime, :shape => "line#{$line_count}", :style => "stroke:\##{$colour_hex}; stroke-linecap: round; stroke-width:#{$shapeThickness}; visibility:hidden; fill:none") do
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$originX = (($shapeDataPoints[0].to_f)/100)*$vbox_width
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$originY = (($shapeDataPoints[1].to_f)/100)*$vbox_height
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endPointX = (($shapeDataPoints[2].to_f)/100)*$vbox_width
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endPointY = (($shapeDataPoints[3].to_f)/100)*$vbox_height
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$originalOriginX = $originX
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$originalOriginY = $originY
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$xml.line(:x1 => $originX, :y1 => $originY, :x2 => endPointX, :y2 => endPointY )
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$prev_time = $shapeCreationTime
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end
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end
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def storeRectShape
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if(($originalOriginX == (($shapeDataPoints[0].to_f)/100)*$vbox_width) && ($originalOriginY == (($shapeDataPoints[1].to_f)/100)*$vbox_height))
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# do not update the rectangle count
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else
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$rectangle_count = $rectangle_count + 1
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end
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$global_shape_count += 1
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$xml.g(:class => :shape, :id => "draw#{$global_shape_count}", :timestamp => $shapeCreationTime, :undo => $shapeUndoTime, :shape => "rect#{$rectangle_count}", :style => "stroke:\##{$colour_hex}; stroke-linejoin: round; stroke-width:#{$shapeThickness}; visibility:hidden; fill:none") do
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$originX = x1 = (($shapeDataPoints[0].to_f)/100)*$vbox_width
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$originY = y1 = (($shapeDataPoints[1].to_f)/100)*$vbox_height
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x2 = (($shapeDataPoints[2].to_f)/100)*$vbox_width
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y2 = (($shapeDataPoints[3].to_f)/100)*$vbox_height
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width = (x2 - x1).abs
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height = (y2 - y1).abs
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# Convert to a square, keeping aligned with the start point
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if $is_square == "true"
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# This duplicates a bug in the BigBlueButton client
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if x2 > x1
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y2 = y1 + width
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else
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y2 = y1 - width
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end
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end
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$xml.polygon(:points => "#{x1},#{y1} #{x2},#{y1} #{x2},#{y2} #{x1},#{y2}")
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$originalOriginX = x1
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$originalOriginY = y1
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$prev_time = $shapeCreationTime
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end
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end
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def storeTriangleShape
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if(($originalOriginX == (($shapeDataPoints[0].to_f)/100)*$vbox_width) && ($originalOriginY == (($shapeDataPoints[1].to_f)/100)*$vbox_height))
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# do not update the triangle count
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else
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$triangle_count = $triangle_count + 1
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end
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$global_shape_count += 1
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$xml.g(:class => :shape, :id => "draw#{$global_shape_count}", :timestamp => $shapeCreationTime, :undo => $shapeUndoTime, :shape => "triangle#{$triangle_count}", :style => "stroke:\##{$colour_hex}; stroke-linejoin: round; stroke-width:#{$shapeThickness}; visibility:hidden; fill:none") do
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$originX = (($shapeDataPoints[0].to_f)/100)*$vbox_width
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$originY = (($shapeDataPoints[1].to_f)/100)*$vbox_height
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#3 points (p0, p1 and p2) to draw a triangle
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base = (($shapeDataPoints[2].to_f - $shapeDataPoints[0].to_f)/100)*$vbox_width
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x0 = $originX + (base.to_f / 2.0)
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x1 = $originX
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x2 = $originX + base.to_f
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height = (($shapeDataPoints[3].to_f - $shapeDataPoints[1].to_f)/100)*$vbox_height
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y0 = $originY
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y1 = $originY + height
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y2 = y1
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p0 = "#{x0},#{y0}"
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p1 = "#{x1},#{y1}"
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p2 = "#{x2},#{y2}"
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$originalOriginX = $originX
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$originalOriginY = $originY
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$xml.polygon(:points => "#{p0} #{p1} #{p2}")
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$prev_time = $shapeCreationTime
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end
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end
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def storeEllipseShape
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if(($originalOriginX == (($shapeDataPoints[0].to_f)/100)*$vbox_width) && ($originalOriginY == (($shapeDataPoints[1].to_f)/100)*$vbox_height))
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# do not update the ellipse count
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else
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$ellipse_count = $ellipse_count + 1
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end # end (($originalOriginX == (($shapeDataPoints[0].to_f)/100)*$vbox_width) && ($originalOriginY == (($shapeDataPoints[1].to_f)/100)*$vbox_height))
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$global_shape_count += 1
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$xml.g(:class => :shape, :id => "draw#{$global_shape_count}", :timestamp => $shapeCreationTime, :undo => $shapeUndoTime, :shape => "ellipse#{$ellipse_count}", :style =>"stroke:\##{$colour_hex}; stroke-linejoin: round; stroke-width:#{$shapeThickness}; visibility:hidden; fill:none") do
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$originX = x1 = (($shapeDataPoints[0].to_f)/100)*$vbox_width
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$originY = y1 = (($shapeDataPoints[1].to_f)/100)*$vbox_height
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x2 = (($shapeDataPoints[2].to_f)/100)*$vbox_width
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y2 = (($shapeDataPoints[3].to_f)/100)*$vbox_height
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width_r = (x2 - x1).abs / 2
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height_r = (y2 - y1).abs / 2
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# Convert to a circle, keeping aligned with the start point
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if $is_circle == "true"
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height_r = width_r
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# This duplicates a bug in the BigBlueButton client
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if x2 > x1
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y2 = y1 + width_r + width_r
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else
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y2 = y1 - width_r - width_r
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end
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end
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# SVG's ellipse element doesn't render if r_x or r_y is 0, but
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# we want to display a line segment in that case. But the SVG
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# path element's elliptical arc code renders r_x or r_y
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# degenerate cases as line segments, so we can use that.
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# Normalize the x,y coordinates
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x1, x2 = x2, x1 if x1 > x2
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y1, y2 = y2, y1 if y1 > y2
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path = "M#{x1},#{(y1+y2)/2}"
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path += "A#{width_r},#{height_r} 0 0 1 #{(x1+x2)/2},#{y1}"
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path += "A#{width_r},#{height_r} 0 0 1 #{x2},#{(y1+y2)/2}"
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path += "A#{width_r},#{height_r} 0 0 1 #{(x1+x2)/2},#{y2}"
|
|
path += "A#{width_r},#{height_r} 0 0 1 #{x1},#{(y1+y2)/2}"
|
|
path += "Z"
|
|
|
|
$xml.path(:d => path)
|
|
|
|
$originalOriginX = $originX
|
|
$originalOriginY = $originY
|
|
$prev_time = $shapeCreationTime
|
|
end # end xml.g
|
|
end
|
|
|
|
def storeTextShape
|
|
$originX = (($shapeDataPoints[0].to_f)/100)*$vbox_width
|
|
$originY = (($shapeDataPoints[1].to_f)/100)*$vbox_height
|
|
if(($originalOriginX == $originX) && ($originalOriginY == $originY))
|
|
# do not update the text count
|
|
else
|
|
$text_count = $text_count + 1
|
|
end
|
|
font_size_factor = 1.7
|
|
width_extra_percent = -0.7
|
|
height_extra_percent = 1
|
|
width = ( ($textBoxWidth.to_f + width_extra_percent) / 100.0) * $vbox_width
|
|
height = ( ($textBoxHeight.to_f + height_extra_percent ) / 100.0) * $vbox_height
|
|
y_gap = -30.0
|
|
x_gap = 5.0
|
|
$textFontSize_pixels = $textFontSize.to_f * font_size_factor
|
|
$global_shape_count += 1
|
|
$xml.g(:class => :shape, :id => "draw#{$global_shape_count}", :timestamp => $shapeCreationTime, :undo => $shapeUndoTime, :shape => "text#{$text_count}", :style => "word-wrap: break-word; visibility:hidden; font-family: #{$textFontType}; font-size: #{$textFontSize_pixels}px;") do
|
|
$xml.switch do
|
|
$xml.foreignObject( :color => "##{$colour_hex}", :width => width, :height => height, :x => "#{((($shapeDataPoints[0].to_f)/100)*$vbox_width) + x_gap}", :y => "#{((($shapeDataPoints[1].to_f)/100) *$vbox_height ) + y_gap.to_f }") do
|
|
$xml.div( :xmlns => "http://www.w3.org/1999/xhtml" ) do
|
|
$xml.text($textValue)
|
|
end
|
|
end
|
|
end
|
|
$prev_time = $shapeCreationTime
|
|
end # end xml.g
|
|
$originalOriginX = $originX
|
|
$originalOriginY = $originY
|
|
end
|
|
|
|
def storePollResultShape(xml, shape)
|
|
origin_x = $shapeDataPoints[0].to_f / 100 * $vbox_width
|
|
origin_y = $shapeDataPoints[1].to_f / 100 * $vbox_height
|
|
width = $shapeDataPoints[2].to_f / 100 * $vbox_width
|
|
height = $shapeDataPoints[3].to_f / 100 * $vbox_height
|
|
|
|
result = JSON.load(shape.at_xpath('result').text)
|
|
num_responders = shape.at_xpath('num_responders').text.to_i
|
|
presentation = shape.at_xpath('presentation').text
|
|
|
|
$global_shape_count += 1
|
|
$poll_result_count += 1
|
|
|
|
dat_file = "#{$process_dir}/poll_result#{$poll_result_count}.dat"
|
|
gpl_file = "#{$process_dir}/poll_result#{$poll_result_count}.gpl"
|
|
pdf_file = "#{$process_dir}/poll_result#{$poll_result_count}.pdf"
|
|
svg_file = "#{$process_dir}/presentation/#{presentation}/poll_result#{$poll_result_count}.svg"
|
|
|
|
# Use gnuplot to generate an SVG image for the graph
|
|
File.open(dat_file, 'w') do |d|
|
|
result.each do |r|
|
|
d.puts("#{r['id']} #{r['num_votes']}")
|
|
end
|
|
end
|
|
File.open(dat_file, 'r') do |d|
|
|
BigBlueButton.logger.debug("gnuplot data:")
|
|
BigBlueButton.logger.debug(d.readlines(nil)[0])
|
|
end
|
|
File.open(gpl_file, 'w') do |g|
|
|
g.puts('reset')
|
|
g.puts("set term pdfcairo size #{height / 72}, #{width / 72} font \"Arial,48\" noenhanced")
|
|
g.puts('unset key')
|
|
g.puts('set style data boxes')
|
|
g.puts('set style fill solid border -1')
|
|
g.puts('set boxwidth 0.9 relative')
|
|
g.puts('set yrange [0:*]')
|
|
g.puts('unset border')
|
|
g.puts('unset ytics')
|
|
xtics = result.map{ |r| "#{r['key'].gsub('%', '%%').inspect} #{r['id']}" }.join(', ')
|
|
g.puts("set xtics rotate by 90 scale 0 right (#{xtics})")
|
|
if num_responders > 0
|
|
x2tics = result.map{ |r| "\"#{(r['num_votes'].to_f / num_responders * 100).to_i}%%\" #{r['id']}" }.join(', ')
|
|
g.puts("set x2tics rotate by 90 scale 0 left (#{x2tics})")
|
|
end
|
|
g.puts('set linetype 1 linewidth 1 linecolor rgb "black"')
|
|
result.each do |r|
|
|
if r['num_votes'] == 0 or r['num_votes'].to_f / num_responders <= 0.5
|
|
g.puts("set label \"#{r['num_votes']}\" at #{r['id']},#{r['num_votes']} left rotate by 90 offset 0,character 0.5 front")
|
|
else
|
|
g.puts("set label \"#{r['num_votes']}\" at #{r['id']},#{r['num_votes']} right rotate by 90 offset 0,character -0.5 textcolor rgb \"white\" front")
|
|
end
|
|
end
|
|
g.puts("set output \"#{pdf_file}\"")
|
|
g.puts("plot \"#{dat_file}\"")
|
|
end
|
|
File.open(gpl_file, 'r') do |d|
|
|
BigBlueButton.logger.debug("gnuplot script:")
|
|
BigBlueButton.logger.debug(d.readlines(nil)[0])
|
|
end
|
|
ret = BigBlueButton.exec_ret('gnuplot', '-d', gpl_file)
|
|
raise "Failed to generate plot pdf" if ret != 0
|
|
ret = BigBlueButton.exec_ret('pdftocairo', '-svg', pdf_file, svg_file)
|
|
raise "Failed to convert poll to svg" if ret != 0
|
|
|
|
xml.g(class: 'shape', id: "draw#{$global_shape_count}",
|
|
shape: "poll_result#{$poll_result_count}", style: 'visibility:hidden',
|
|
timestamp: $shapeCreationTime, undo: $shapeUndoTime) do
|
|
|
|
# Outer box to act as poll result backdrop
|
|
xml.rect(x: origin_x + 2, y: origin_y + 2, width: width - 4, height: height - 4,
|
|
'fill' => 'white', 'stroke' => 'black', 'stroke-width' => 4)
|
|
|
|
# Poll image
|
|
xml.image('xlink:href' => "presentation/#{presentation}/poll_result#{$poll_result_count}.svg",
|
|
height: width, width: height, x: $vbox_width, y: origin_y,
|
|
transform: "rotate(90, #{$vbox_width}, #{origin_y})")
|
|
|
|
end
|
|
end
|
|
|
|
#
|
|
# Calculate the offsets based on the start and stop recording events, so it's easier
|
|
# to translate the timestamps later based on these offsets
|
|
#
|
|
def calculateRecordEventsOffset
|
|
accumulated_duration = 0
|
|
previous_stop_recording = $meeting_start.to_f
|
|
$rec_events.each do |event|
|
|
event[:offset] = event[:start_timestamp] - accumulated_duration
|
|
event[:duration] = event[:stop_timestamp] - event[:start_timestamp]
|
|
event[:accumulated_duration] = accumulated_duration
|
|
|
|
previous_stop_recording = event[:stop_timestamp]
|
|
accumulated_duration += event[:duration]
|
|
end
|
|
end
|
|
|
|
#
|
|
# Translated an arbitrary Unix timestamp to the recording timestamp. This is the
|
|
# function that others will call
|
|
#
|
|
def translateTimestamp(timestamp)
|
|
new_timestamp = translateTimestamp_helper(timestamp.to_f).to_f
|
|
# BigBlueButton.logger.info("Translating #{timestamp}, old value=#{timestamp.to_f-$meeting_start.to_f}, new value=#{new_timestamp}")
|
|
new_timestamp
|
|
end
|
|
|
|
#
|
|
# Translated an arbitrary Unix timestamp to the recording timestamp
|
|
#
|
|
def translateTimestamp_helper(timestamp)
|
|
$rec_events.each do |event|
|
|
# if the timestamp comes before the start recording event, then the timestamp is translated to the moment it starts recording
|
|
if timestamp <= event[:start_timestamp]
|
|
return event[:start_timestamp] - event[:offset]
|
|
# if the timestamp is during the recording period, it is just translated to the new one using the offset
|
|
elsif timestamp > event[:start_timestamp] and timestamp <= event[:stop_timestamp]
|
|
return timestamp - event[:offset]
|
|
end
|
|
end
|
|
# if the timestamp comes after the last stop recording event, then the timestamp is translated to the last stop recording event timestamp
|
|
return timestamp - $rec_events.last()[:offset] + $rec_events.last()[:duration]
|
|
end
|
|
#
|
|
# Given an event timestamp, says whether it occurs during a recording period or not.
|
|
#
|
|
def occursDuringRecording(timestamp)
|
|
$rec_events.each do |event|
|
|
if timestamp >= event[:start_timestamp] and timestamp <= event[:stop_timestamp]
|
|
return true
|
|
end
|
|
end
|
|
return false
|
|
end
|
|
|
|
def preprocessSlideEvents
|
|
new_slides_events = []
|
|
$slides_events.each do |slide_event|
|
|
new_slide_event = slide_event.clone
|
|
$rec_events.each do |rec_event|
|
|
if new_slide_event[:timestamp] <= rec_event[:start_timestamp]
|
|
new_slide_event[:timestamp] = rec_event[:start_timestamp]
|
|
if not new_slides_events.empty? and new_slides_events.last()[:timestamp] == rec_event[:start_timestamp]
|
|
new_slides_events.pop()
|
|
end
|
|
new_slides_events << new_slide_event
|
|
break
|
|
elsif new_slide_event[:timestamp] > rec_event[:start_timestamp] and new_slide_event[:timestamp] <= rec_event[:stop_timestamp]
|
|
new_slides_events << new_slide_event
|
|
end
|
|
end
|
|
end
|
|
return new_slides_events
|
|
end
|
|
|
|
def processSlideEvents
|
|
BigBlueButton.logger.info("Slide events processing")
|
|
# For each slide (there is only one image per slide)
|
|
$slides_events.each do |node|
|
|
# Ignore slide events that happened after the last recording period.
|
|
if(node[:timestamp].to_f > $rec_events.last[:stop_timestamp].to_f)
|
|
next
|
|
end
|
|
eventname = node['eventname']
|
|
if eventname == "SharePresentationEvent"
|
|
$presentation_name = node.xpath(".//presentationName")[0].text()
|
|
else
|
|
slide_timestamp = node[:timestamp]
|
|
slide_start = ( translateTimestamp(slide_timestamp) / 1000 ).round(1)
|
|
orig_slide_start = ( slide_timestamp.to_f / 1000 ).round(1)
|
|
slide_number = node.xpath(".//slide")[0].text().to_i
|
|
slide_number = slide_number < 0 ? 0 : slide_number
|
|
slide_src = "presentation/#{$presentation_name}/slide-#{slide_number + 1}.png"
|
|
txt_file_path = "presentation/#{$presentation_name}/textfiles/slide-#{slide_number + 1}.txt"
|
|
slide_text = File.exist?("#{$process_dir}/#{txt_file_path}") ? txt_file_path : nil
|
|
image_url = "#{$process_dir}/#{slide_src}"
|
|
|
|
if !File.exist?(image_url)
|
|
BigBlueButton.logger.warn("Missing image file #{slide_src}!")
|
|
# Emergency last-ditch blank image creation
|
|
FileUtils.mkdir_p("#{$process_dir}/presentation/#{$presentation_name}")
|
|
command = "convert -size 1600x1200 xc:white -quality 90 +dither -depth 8 -colors 256 #{image_url}"
|
|
BigBlueButton.execute(command)
|
|
end
|
|
|
|
slide_size = FastImage.size(image_url)
|
|
current_index = $slides_events.index(node)
|
|
if(current_index + 1 < $slides_events.length)
|
|
slide_end = ( translateTimestamp($slides_events[current_index + 1][:timestamp]) / 1000 ).round(1)
|
|
orig_slide_end = ( $slides_events[current_index + 1][:timestamp].to_f / 1000 ).round(1)
|
|
else
|
|
slide_end = ( translateTimestamp($meeting_end) / 1000 ).round(1)
|
|
orig_slide_end = ( $meeting_end.to_f / 1000 ).round(1)
|
|
end
|
|
|
|
if slide_start == slide_end
|
|
BigBlueButton.logger.info("#{slide_src} is never displayed (slide_start = slide_end), so it won't be included in the svg")
|
|
next
|
|
end
|
|
|
|
BigBlueButton.logger.info("Processing slide image")
|
|
# Is this a new image or one previously viewed?
|
|
if($slides_compiled[[slide_src, slide_size[1], slide_size[0]]] == nil)
|
|
# If it is, add it to the list with all the data.
|
|
$slides_compiled[[slide_src, slide_size[1], slide_size[0]]] = [[slide_start], [slide_end], $global_slide_count, slide_text, [orig_slide_start], [orig_slide_end]]
|
|
$global_slide_count = $global_slide_count + 1
|
|
else
|
|
# If not, append new in and out times to the old entry
|
|
# But if the previous slide_end is equal to the current slide_start, we just pop the previous slide_end and push the current one
|
|
# It will avoid the duplication of the thumbnails on the playback
|
|
if($slides_compiled[[slide_src, slide_size[1], slide_size[0]]][1].last == slide_start)
|
|
$slides_compiled[[slide_src, slide_size[1], slide_size[0]]][1].pop
|
|
$slides_compiled[[slide_src, slide_size[1], slide_size[0]]][1] << slide_end
|
|
else
|
|
$slides_compiled[[slide_src, slide_size[1], slide_size[0]]][0] << slide_start
|
|
$slides_compiled[[slide_src, slide_size[1], slide_size[0]]][1] << slide_end
|
|
end
|
|
$slides_compiled[[slide_src, slide_size[1], slide_size[0]]][4] << orig_slide_start
|
|
$slides_compiled[[slide_src, slide_size[1], slide_size[0]]][5] << orig_slide_end
|
|
end
|
|
|
|
$ss[(slide_start..slide_end)] = slide_size # store the size of the slide at that range of time
|
|
puts "#{slide_src} : #{slide_start} -> #{slide_end}"
|
|
end
|
|
end
|
|
end
|
|
|
|
def processShapesAndClears
|
|
# Create shapes.svg file from the events.xml
|
|
BigBlueButton.logger.info("Creating shapes.svg")
|
|
$shapes_svg = Nokogiri::XML::Builder.new do |xml|
|
|
$xml = xml
|
|
|
|
processClearEvents()
|
|
processUndoEvents()
|
|
|
|
# Put in the last clear events numbers (previous clear to the end of the slideshow)
|
|
#endPresentationTime = ( $end_time.to_f / 1000 ).round(1)
|
|
endPresentationTime = $end_time.to_f
|
|
$clearPageTimes[($prev_clear_time..endPresentationTime)] = [$pageCleared, $canvas_number, nil, nil]
|
|
|
|
# Put the headers on the svg xml file.
|
|
$xml.doc.create_internal_subset('svg', "-//W3C//DTD SVG 1.1//EN", "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd")
|
|
$xml.svg(:id => :svgfile, :style => 'position:absolute; height:600px; width:800px;', :xmlns => 'http://www.w3.org/2000/svg', 'xmlns:xlink' => 'http://www.w3.org/1999/xlink', :version => '1.1', :viewBox => :'0 0 800 600') do
|
|
|
|
# This is for the first image. It is a placeholder for an image that doesn't exist.
|
|
$xml.image(:id => :image0, :class => 'slide', :in => 0, :out => $first_slide_start, :src => "logo.png", :width => 800)
|
|
$xml.g(:class => :canvas, :id => :canvas0, :image => :image0, :display => :none)
|
|
$presentation_name = ""
|
|
|
|
processSlideEvents()
|
|
processClearImages()
|
|
|
|
BigBlueButton.logger.info("Printing out the gathered images")
|
|
# Print out the gathered/detected images.
|
|
$slides_compiled.each do |key, val|
|
|
$val = val
|
|
$xml.image(:id => "image#{$val[2].to_i}", :class => 'slide', :in => $val[0].join(' '), :out => $val[1].join(' '), 'xlink:href' => key[0], :height => key[1], :width => key[2], :visibility => :hidden, :text => $val[3], :x => 0)
|
|
$canvas_number+=1
|
|
$xml.g(:class => :canvas, :id => "canvas#{$val[2].to_i}", :image => "image#{$val[2].to_i}", :display => :none) do
|
|
|
|
BigBlueButton.logger.info("Processing shapes within the image #{$val[2].to_i}")
|
|
# Select and print the shapes within the current image
|
|
$shape_events.each do |shape|
|
|
$shapeTimestamp = shape[:timestamp].to_f
|
|
$shapeCreationTime = ( translateTimestamp($shapeTimestamp) / 1000 ).round(1)
|
|
orig_shapeCreationTime = ( $shapeTimestamp.to_f / 1000 ).round(1)
|
|
in_this_image = false
|
|
index = 0
|
|
numOfTimes = $val[0].length
|
|
|
|
# Check if the current shape is to be drawn in this particular image
|
|
while((in_this_image == false) && (index < numOfTimes)) do
|
|
if((($val[4][index].to_f)..($val[5][index].to_f)) === orig_shapeCreationTime) # is the shape within the certain time of the image
|
|
in_this_image = true
|
|
end
|
|
index+=1
|
|
end
|
|
|
|
if(in_this_image)
|
|
# Get variables
|
|
BigBlueButton.logger.info shape.to_xml(:indent => 2)
|
|
$shapeType = shape.xpath(".//type")[0].text()
|
|
$pageNumber = shape.xpath(".//pageNumber")[0].text()
|
|
$shapeDataPoints = shape.xpath(".//dataPoints")[0].text().split(",")
|
|
|
|
case $shapeType
|
|
when 'pencil', 'rectangle', 'ellipse', 'triangle', 'line'
|
|
$shapeThickness = shape.xpath(".//thickness")[0].text()
|
|
colour = shape.xpath(".//color")[0].text()
|
|
when 'text'
|
|
$textValue = shape.xpath(".//text")[0].text()
|
|
$textFontType = "Arial"
|
|
$textFontSize = shape.xpath(".//fontSize")[0].text()
|
|
colour = shape.xpath(".//fontColor")[0].text()
|
|
when 'poll_result'
|
|
# Just hand the 'shape' xml object to the poll rendering code.
|
|
end
|
|
|
|
# figure out undo time
|
|
BigBlueButton.logger.info("Figuring out undo time")
|
|
if($undos.has_key? ( shape[:timestamp] ))
|
|
$shapeUndoTime = ( translateTimestamp( $undos[ shape[:timestamp] ] ) / 1000).round(1)
|
|
else
|
|
$shapeUndoTime = -1
|
|
end
|
|
|
|
clear_time = -1
|
|
$clearPageTimes.each do |clearTimeInstance, pageAndCanvasNumbers|
|
|
$clearTimeInstance = clearTimeInstance
|
|
$pageAndCanvasNumbers = pageAndCanvasNumbers
|
|
if(($clearTimeInstance.last > $shapeTimestamp) && ($pageAndCanvasNumbers[3] == "image#{$val[2].to_i}"))
|
|
if((clear_time > ( translateTimestamp($clearTimeInstance.last) / 1000 ).round(1)) || (clear_time == -1))
|
|
clear_time = ( translateTimestamp($clearTimeInstance.last) / 1000 ).round(1)
|
|
end
|
|
end
|
|
end
|
|
|
|
if($shapeUndoTime == -1)
|
|
if(clear_time == -1)
|
|
$shapeUndoTime = -1 # nothing changes
|
|
elsif(clear_time != -1)
|
|
$shapeUndoTime = clear_time
|
|
end
|
|
elsif($shapeUndoTime != -1)
|
|
if(clear_time == -1)
|
|
$shapeUndoTime = $shapeUndoTime #nothing changes
|
|
elsif (clear_time != -1)
|
|
if(clear_time < $shapeUndoTime)
|
|
$shapeUndoTime = clear_time
|
|
else
|
|
$shapeUndoTime = $shapeUndoTime # nothing changes
|
|
end
|
|
end
|
|
end
|
|
|
|
# Process colours
|
|
$colour_hex = colour.to_i.to_s(16) # convert from base 10 to base 16 (hex)
|
|
$colour_hex='0'*(6-$colour_hex.length) + $colour_hex # pad the number with 0's to give it a length of 6
|
|
|
|
# resolve the current image height and width
|
|
$ss.each do |t,size|
|
|
if t === $shapeCreationTime
|
|
$vbox_width = size[0]
|
|
$vbox_height = size[1]
|
|
end
|
|
end
|
|
|
|
case $shapeType
|
|
when 'pencil'
|
|
storePencilShape()
|
|
when 'line'
|
|
storeLineShape()
|
|
when 'rectangle'
|
|
square = shape.xpath(".//square")
|
|
if square.length > 0
|
|
$is_square = square[0].text()
|
|
else
|
|
$is_square = 'false'
|
|
end
|
|
storeRectShape()
|
|
when 'triangle'
|
|
storeTriangleShape()
|
|
when 'ellipse'
|
|
circle = shape.xpath(".//circle")
|
|
if circle.length > 0
|
|
$is_circle = circle[0].text()
|
|
else
|
|
$is_circle = 'false'
|
|
end
|
|
storeEllipseShape()
|
|
when 'text'
|
|
$textBoxWidth = shape.xpath(".//textBoxWidth")[0].text()
|
|
$textBoxHeight = shape.xpath(".//textBoxHeight")[0].text()
|
|
storeTextShape()
|
|
when 'poll_result'
|
|
storePollResultShape($xml, shape)
|
|
end
|
|
end # end if(in_this_image)
|
|
end # end shape_events.each do |shape|
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
def processChatMessages
|
|
BigBlueButton.logger.info("Processing chat events")
|
|
# Create slides.xml and chat.
|
|
$slides_doc = Nokogiri::XML::Builder.new do |xml|
|
|
$xml = xml
|
|
$xml.popcorn {
|
|
# Process chat events.
|
|
current_time = 0
|
|
$rec_events.each do |re|
|
|
$chat_events.each do |node|
|
|
if (node[:timestamp].to_i >= re[:start_timestamp] and node[:timestamp].to_i <= re[:stop_timestamp])
|
|
chat_timestamp = node[:timestamp]
|
|
chat_sender = node.xpath(".//sender")[0].text()
|
|
chat_message = BigBlueButton::Events.linkify(node.xpath(".//message")[0].text())
|
|
chat_start = ( translateTimestamp(chat_timestamp) / 1000).to_i
|
|
$xml.chattimeline(:in => chat_start, :direction => :down, :name => chat_sender, :message => chat_message, :target => :chat )
|
|
end
|
|
end
|
|
current_time += re[:stop_timestamp] - re[:start_timestamp]
|
|
end
|
|
}
|
|
end
|
|
end
|
|
|
|
$vbox_width = 1600
|
|
$vbox_height = 1200
|
|
$magic_mystery_number = 2
|
|
$shapesold_svg_filename = 'shapes_old.svg'
|
|
$shapes_svg_filename = 'shapes.svg'
|
|
$panzooms_xml_filename = 'panzooms.xml'
|
|
$cursor_xml_filename = 'cursor.xml'
|
|
|
|
$originX = "NaN"
|
|
$originY = "NaN"
|
|
$originalOriginX = "NaN"
|
|
$originalOriginY = "NaN"
|
|
|
|
$rectangle_count = 0
|
|
$triangle_count = 0
|
|
$pencil_count = 0
|
|
$line_count = 0
|
|
$ellipse_count = 0
|
|
$text_count = 0
|
|
$poll_result_count = 0
|
|
$global_shape_count = -1
|
|
$global_slide_count = 1
|
|
$global_page_count = 0
|
|
$canvas_number = 0
|
|
$prev_clear_time = 0
|
|
$pageCleared = "0"
|
|
$page_number = 0
|
|
$prev_canvas_time_start = 0 # initial start is 0 seconds. (beginning of video)
|
|
|
|
$prev_time = "NaN"
|
|
|
|
$ss = {}
|
|
$clearPageTimes = {}
|
|
$slides_compiled = {}
|
|
$slides_raw = {}
|
|
$undos = {}
|
|
|
|
opts = Trollop::options do
|
|
opt :meeting_id, "Meeting id to archive", :default => '58f4a6b3-cd07-444d-8564-59116cb53974', :type => String
|
|
end
|
|
|
|
$meeting_id = opts[:meeting_id]
|
|
puts $meeting_id
|
|
match = /(.*)-(.*)/.match $meeting_id
|
|
$meeting_id = match[1]
|
|
$playback = match[2]
|
|
|
|
puts $meeting_id
|
|
puts $playback
|
|
|
|
begin
|
|
|
|
if ($playback == "presentation")
|
|
|
|
# This script lives in scripts/archive/steps while properties.yaml lives in scripts/
|
|
bbb_props = YAML::load(File.open('../../core/scripts/bigbluebutton.yml'))
|
|
simple_props = YAML::load(File.open('presentation.yml'))
|
|
|
|
log_dir = bbb_props['log_dir']
|
|
|
|
logger = Logger.new("#{log_dir}/presentation/publish-#{$meeting_id}.log", 'daily' )
|
|
BigBlueButton.logger = logger
|
|
|
|
BigBlueButton.logger.info("Setting recording dir")
|
|
recording_dir = bbb_props['recording_dir']
|
|
BigBlueButton.logger.info("Setting process dir")
|
|
$process_dir = "#{recording_dir}/process/presentation/#{$meeting_id}"
|
|
BigBlueButton.logger.info("setting publish dir")
|
|
publish_dir = simple_props['publish_dir']
|
|
BigBlueButton.logger.info("setting playback url info")
|
|
playback_protocol = bbb_props['playback_protocol']
|
|
playback_host = bbb_props['playback_host']
|
|
BigBlueButton.logger.info("setting target dir")
|
|
target_dir = "#{recording_dir}/publish/presentation/#{$meeting_id}"
|
|
if not FileTest.directory?(target_dir)
|
|
BigBlueButton.logger.info("Making dir target_dir")
|
|
FileUtils.mkdir_p target_dir
|
|
|
|
package_dir = "#{target_dir}/#{$meeting_id}"
|
|
BigBlueButton.logger.info("Making dir package_dir")
|
|
FileUtils.mkdir_p package_dir
|
|
|
|
begin
|
|
|
|
if File.exist?("#{$process_dir}/webcams.webm")
|
|
BigBlueButton.logger.info("Making video dir")
|
|
video_dir = "#{package_dir}/video"
|
|
FileUtils.mkdir_p video_dir
|
|
BigBlueButton.logger.info("Made video dir - copying: #{$process_dir}/webcams.webm to -> #{video_dir}")
|
|
FileUtils.cp("#{$process_dir}/webcams.webm", video_dir)
|
|
BigBlueButton.logger.info("Copied .webm file")
|
|
else
|
|
audio_dir = "#{package_dir}/audio"
|
|
BigBlueButton.logger.info("Making audio dir")
|
|
FileUtils.mkdir_p audio_dir
|
|
BigBlueButton.logger.info("Made audio dir - copying: #{$process_dir}/audio.webm to -> #{audio_dir}")
|
|
FileUtils.cp("#{$process_dir}/audio.webm", audio_dir)
|
|
BigBlueButton.logger.info("Copied audio.webm file - copying: #{$process_dir}/audio.ogg to -> #{audio_dir}")
|
|
FileUtils.cp("#{$process_dir}/audio.ogg", audio_dir)
|
|
BigBlueButton.logger.info("Copied audio.ogg file")
|
|
end
|
|
|
|
if File.exist?("#{$process_dir}/captions.json")
|
|
BigBlueButton.logger.info("Copying caption files")
|
|
FileUtils.cp("#{$process_dir}/captions.json", package_dir)
|
|
Dir.glob("#{$process_dir}/caption_*.vtt").each do |caption|
|
|
BigBlueButton.logger.debug(caption)
|
|
FileUtils.cp(caption, package_dir)
|
|
end
|
|
end
|
|
|
|
|
|
processing_time = File.read("#{$process_dir}/processing_time")
|
|
|
|
# Retrieve record events and calculate total recording duration.
|
|
$rec_events = BigBlueButton::Events.match_start_and_stop_rec_events(
|
|
BigBlueButton::Events.get_start_and_stop_rec_events("#{$process_dir}/events.xml"))
|
|
|
|
recording_time = BigBlueButton::Events.get_recording_length("#{$process_dir}/events.xml")
|
|
|
|
# presentation_url = "/slides/" + $meeting_id + "/presentation"
|
|
@doc = Nokogiri::XML(File.open("#{$process_dir}/events.xml"))
|
|
|
|
$meeting_start = @doc.xpath("//event")[0][:timestamp]
|
|
$meeting_end = @doc.xpath("//event").last()[:timestamp]
|
|
|
|
## These $version variables are not used anywere in this code ##
|
|
$version = BigBlueButton::Events.bbb_version("#{$process_dir}/events.xml")
|
|
$version_atleast_0_9_0 = BigBlueButton::Events.bbb_version_compare("#{$process_dir}/events.xml", 0, 9, 0)
|
|
BigBlueButton.logger.info("Creating metadata.xml")
|
|
|
|
# Get the real-time start and end timestamp
|
|
match = /.*-(\d+)$/.match($meeting_id)
|
|
real_start_time = match[1]
|
|
real_end_time = (real_start_time.to_i + ($meeting_end.to_i - $meeting_start.to_i)).to_s
|
|
|
|
#### INSTEAD OF CREATING THE WHOLE metadata.xml FILE AGAIN, ONLY ADD <playback>
|
|
# Copy metadata.xml from process_dir
|
|
FileUtils.cp("#{$process_dir}/metadata.xml", package_dir)
|
|
BigBlueButton.logger.info("Copied metadata.xml file")
|
|
|
|
# Update state and add playback to metadata.xml
|
|
## Load metadata.xml
|
|
metadata = Nokogiri::XML(File.open("#{package_dir}/metadata.xml"))
|
|
## Update state
|
|
recording = metadata.root
|
|
state = recording.at_xpath("state")
|
|
state.content = "published"
|
|
published = recording.at_xpath("published")
|
|
published.content = "true"
|
|
## Remove empty playback
|
|
metadata.search('//recording/playback').each do |playback|
|
|
playback.remove
|
|
end
|
|
## Add the actual playback
|
|
presentation = BigBlueButton::Presentation.get_presentation_for_preview("#{$process_dir}")
|
|
metadata_with_playback = Nokogiri::XML::Builder.with(metadata.at('recording')) do |xml|
|
|
xml.playback {
|
|
xml.format("presentation")
|
|
xml.link("#{playback_protocol}://#{playback_host}/playback/presentation/0.9.0/playback.html?meetingId=#{$meeting_id}")
|
|
xml.processing_time("#{processing_time}")
|
|
xml.duration("#{recording_time}")
|
|
unless presentation.empty?
|
|
xml.extensions {
|
|
xml.preview {
|
|
xml.images {
|
|
presentation[:slides].each do |key,val|
|
|
attributes = {:width => "176", :height => "136", :alt => (val[:alt] != nil)? "#{val[:alt]}": ""}
|
|
xml.image(attributes){ xml.text("#{playback_protocol}://#{playback_host}/presentation/#{$meeting_id}/presentation/#{presentation[:id]}/thumbnails/thumb-#{key}.png") }
|
|
end
|
|
}
|
|
}
|
|
}
|
|
end
|
|
}
|
|
end
|
|
## Write the new metadata.xml
|
|
metadata_file = File.new("#{package_dir}/metadata.xml","w")
|
|
metadata = Nokogiri::XML(metadata.to_xml) { |x| x.noblanks }
|
|
metadata_file.write(metadata.root)
|
|
metadata_file.close
|
|
BigBlueButton.logger.info("Added playback to metadata.xml")
|
|
|
|
#Create slides.xml
|
|
BigBlueButton.logger.info("Generating xml for slides and chat")
|
|
|
|
# Gathering all the events from the events.xml
|
|
$slides_events = @doc.xpath("//event[@eventname='GotoSlideEvent' or @eventname='SharePresentationEvent']")
|
|
$chat_events = @doc.xpath("//event[@eventname='PublicChatEvent']")
|
|
$shape_events = @doc.xpath("//event[@eventname='AddShapeEvent' or @eventname='ModifyTextEvent']") # for the creation of shapes
|
|
$panzoom_events = @doc.xpath("//event[@eventname='ResizeAndMoveSlideEvent']") # for the action of panning and/or zooming
|
|
$cursor_events = @doc.xpath("//event[@eventname='CursorMoveEvent']")
|
|
$clear_page_events = @doc.xpath("//event[@eventname='ClearPageEvent']") # for clearing the svg image
|
|
$undo_events = @doc.xpath("//event[@eventname='UndoShapeEvent']") # for undoing shapes.
|
|
$join_time = $meeting_start.to_f
|
|
$end_time = $meeting_end.to_f
|
|
|
|
calculateRecordEventsOffset()
|
|
|
|
first_presentation_start_node = @doc.xpath("//event[@eventname='SharePresentationEvent']")
|
|
first_presentation_start = $meeting_end
|
|
if not first_presentation_start_node.empty?
|
|
first_presentation_start = first_presentation_start_node[0][:timestamp]
|
|
end
|
|
$first_slide_start = ( translateTimestamp(first_presentation_start) / 1000 ).round(1)
|
|
|
|
processChatMessages()
|
|
|
|
processShapesAndClears()
|
|
|
|
processPanAndZooms()
|
|
|
|
processCursorEvents()
|
|
|
|
# Write slides.xml to file
|
|
File.open("#{package_dir}/slides_new.xml", 'w') { |f| f.puts $slides_doc.to_xml }
|
|
# Write shapes.svg to file
|
|
File.open("#{package_dir}/#{$shapes_svg_filename}", 'w') { |f| f.puts $shapes_svg.to_xml.gsub(%r"\s*\<g.*/\>", "") } #.gsub(%r"\s*\<g.*\>\s*\</g\>", "") }
|
|
|
|
# Write panzooms.xml to file
|
|
File.open("#{package_dir}/#{$panzooms_xml_filename}", 'w') { |f| f.puts $panzooms_xml.to_xml }
|
|
|
|
# Write panzooms.xml to file
|
|
File.open("#{package_dir}/#{$cursor_xml_filename}", 'w') { |f| f.puts $cursor_xml.to_xml }
|
|
|
|
BigBlueButton.logger.info("Copying files to package dir")
|
|
FileUtils.cp_r("#{$process_dir}/presentation", package_dir)
|
|
BigBlueButton.logger.info("Copied files to package dir")
|
|
|
|
BigBlueButton.logger.info("Publishing slides")
|
|
# Now publish this recording files by copying them into the publish folder.
|
|
if not FileTest.directory?(publish_dir)
|
|
FileUtils.mkdir_p publish_dir
|
|
end
|
|
FileUtils.cp_r(package_dir, publish_dir) # Copy all the files.
|
|
BigBlueButton.logger.info("Finished publishing script presentation.rb successfully.")
|
|
|
|
BigBlueButton.logger.info("Removing processed files.")
|
|
FileUtils.rm_r(Dir.glob("#{$process_dir}/*"))
|
|
|
|
BigBlueButton.logger.info("Removing published files.")
|
|
FileUtils.rm_r(Dir.glob("#{target_dir}/*"))
|
|
rescue Exception => e
|
|
BigBlueButton.logger.error(e.message)
|
|
e.backtrace.each do |traceline|
|
|
BigBlueButton.logger.error(traceline)
|
|
end
|
|
exit 1
|
|
end
|
|
publish_done = File.new("#{recording_dir}/status/published/#{$meeting_id}-presentation.done", "w")
|
|
publish_done.write("Published #{$meeting_id}")
|
|
publish_done.close
|
|
|
|
else
|
|
BigBlueButton.logger.info("#{target_dir} is already there")
|
|
end
|
|
end
|
|
|
|
|
|
rescue Exception => e
|
|
BigBlueButton.logger.error(e.message)
|
|
e.backtrace.each do |traceline|
|
|
BigBlueButton.logger.error(traceline)
|
|
end
|
|
publish_done = File.new("#{recording_dir}/status/published/#{$meeting_id}-presentation.fail", "w")
|
|
publish_done.write("Failed Publishing #{$meeting_id}")
|
|
publish_done.close
|
|
|
|
exit 1
|
|
end
|
|
|