Class: Redwood::Chunk::Attachment

Inherits:
Object
  • Object
show all
Defined in:
lib/sup/message-chunks.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(content_type, filename, encoded_content, sibling_types) ⇒ Attachment

Returns a new instance of Attachment.



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# File 'lib/sup/message-chunks.rb', line 102

def initialize content_type, filename, encoded_content, sibling_types
  @content_type = content_type.downcase
  @filename = filename
  @quotable = false # changed to true if we can parse it through the
                    # mime-decode hook, or if it's plain text
  @raw_content =
    if encoded_content.body
      encoded_content.decode
    else
      "For some bizarre reason, RubyMail was unable to parse this attachment.\n"
    end

  text = case @content_type
  when /^text\/plain\b/
    @raw_content
  else
    HookManager.run "mime-decode", :content_type => content_type,
                    :filename => lambda { write_to_disk },
                    :charset => encoded_content.charset,
                    :sibling_types => sibling_types
  end

  @lines = nil
  if text
    text = text.transcode(encoded_content.charset || $encoding)
    @lines = text.gsub("\r\n", "\n").gsub(/\t/, "        ").gsub(/\r/, "").split("\n")
    @quotable = true
  end
end

Instance Attribute Details

#content_type ⇒ Object (readonly)

raw_content is the post-MIME-decode content. this is used for saving the attachment to disk.



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# File 'lib/sup/message-chunks.rb', line 99

def content_type
  @content_type
end

#filename ⇒ Object (readonly)

raw_content is the post-MIME-decode content. this is used for saving the attachment to disk.



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# File 'lib/sup/message-chunks.rb', line 99

def filename
  @filename
end

#lines ⇒ Object (readonly)

raw_content is the post-MIME-decode content. this is used for saving the attachment to disk.



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# File 'lib/sup/message-chunks.rb', line 99

def lines
  @lines
end

#raw_content ⇒ Object (readonly)

raw_content is the post-MIME-decode content. this is used for saving the attachment to disk.



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# File 'lib/sup/message-chunks.rb', line 99

def raw_content
  @raw_content
end

Instance Method Details

#color ⇒ Object 



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# File 'lib/sup/message-chunks.rb', line 132

def color; :none end

#expandable? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/sup/message-chunks.rb', line 145

def expandable?; !viewable? end

#initial_state ⇒ Object 



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# File 'lib/sup/message-chunks.rb', line 146

def initial_state; :open end

#inlineable? ⇒ Boolean

an attachment is exapndable if we’ve managed to decode it into something we can display inline. otherwise, it’s viewable.

Returns:

  • (Boolean) 


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# File 'lib/sup/message-chunks.rb', line 144

def inlineable?; false end

#patina_color ⇒ Object 



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# File 'lib/sup/message-chunks.rb', line 133

def patina_color; :attachment_color end

#patina_text ⇒ Object 



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# File 'lib/sup/message-chunks.rb', line 134

def patina_text
  if expandable?
    "Attachment: #{filename} (#{lines.length} lines)"
  else
    "Attachment: #{filename} (#{content_type}; #{@raw_content.size.to_human_size})"
  end
end

#to_s ⇒ Object

used when viewing the attachment as text



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# File 'lib/sup/message-chunks.rb', line 175

def to_s
  @lines || @raw_content
end

#view! ⇒ Object 



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# File 'lib/sup/message-chunks.rb', line 160

def view!
  path = write_to_disk
  ret = HookManager.run "mime-view", :content_type => @content_type,
                                     :filename => path
  ret || view_default!(path)
end

#view_default!(path) ⇒ Object 



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# File 'lib/sup/message-chunks.rb', line 148

def view_default! path
  case Config::CONFIG['arch']
    when /darwin/
      cmd = "open '#{path}'"
    else
      cmd = "/usr/bin/run-mailcap --action=view '#{@content_type}:#{path}'"
  end
  debug "running: #{cmd.inspect}"
  BufferManager.shell_out(cmd)
  $? == 0
end

#viewable? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/sup/message-chunks.rb', line 147

def viewable?; @lines.nil? end

#write_to_disk ⇒ Object 



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# File 'lib/sup/message-chunks.rb', line 167

def write_to_disk
  file = Tempfile.new(["sup", @filename.gsub("/", "_") || "sup-attachment"])
  file.print @raw_content
  file.close
  file.path
end