Class: HtmlConverter::WebRenderer

Inherits:
Qt::Object
  • Object
show all
Defined in:
lib/htmlconverter/base.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(renderer) ⇒ WebRenderer

Returns a new instance of WebRenderer.



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# File 'lib/htmlconverter/base.rb', line 61

def initialize(renderer)
  super()

  @app = Qt::Application.new([])
  @page = Qt::WebPage.new
  @renderer = renderer

  Qt::Object.connect(@page, SIGNAL("loadFinished(bool)"),
                     self, SLOT("onLoadFinished(bool)"))
  Qt::Object.connect(self, SIGNAL("readyToRender()"),
                     self, SLOT("render()"))
end

Instance Attribute Details

#content ⇒ Object

Returns the value of attribute content.



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# File 'lib/htmlconverter/base.rb', line 59

def content
  @content
end

Instance Method Details

#onLoadFinished(ok) ⇒ Object 



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# File 'lib/htmlconverter/base.rb', line 74

def onLoadFinished(ok)
  Qt::Timer::singleShot(0, self, SIGNAL("readyToRender()"))
end

#render ⇒ Object 



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# File 'lib/htmlconverter/base.rb', line 90

def render
  raise "Already rendered" if @app.nil?

  @content = @renderer.render(@page)
  cleanup
end

#render_content(content) ⇒ Object 



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# File 'lib/htmlconverter/base.rb', line 84

def render_content(content)
  @page.mainFrame.setContent(Qt::ByteArray.new(content))
  @app.exec
  @content
end

#render_url(url) ⇒ Object 



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# File 'lib/htmlconverter/base.rb', line 78

def render_url(url)
  @page.mainFrame.load(Qt::Url.new(url))
  @app.exec
  @content
end