If the top or left edge of an Adobe Flash object in a web page is aligned on a fraction of a pixel, the camera and microphone permission buttons are unclickable. They are also (or at least used to be) unclickable when the browser window is zoomed in or out. This CoffeeScript method adjusts the offset to place the upper-left corner on an integer …

gistfile1.coffee

  fixFlashMargin: =>
    $recorder = @modalContainer().find('.asset_editor_modal_container object')
    offset = $recorder.offset()
    $recorder.offset
      top: Math.round(offset.top)
      left: Math.round(offset.left)

    # https://github.com/tombigel/detect-zoom
    # Apparently detect-zoom is no longer reliable
    if DetectZoom.ratios().zoom != 1
      key = if $('html').hasClass('mac') then 'Command' else 'Control'
      alert("""<div class="alert alert-error">Your browser is zoomed. Press #{key}+0 to un-zoom.</div>""")
    else if r.zoom == 1 and @warningDisplayed()
      @modalContainer().find('.asset_editor_modal_container .alert-error').remove()