Module: Compass::BrowserSupport

Extended by:
BrowserSupport
Included in:
BrowserSupport
Defined in:
lib/compass/browser_support.rb

Constant Summary collapse

ASPECTS = 
%w(webkit moz o ms svg pie css2)
SIMPLE_FUNCTIONS = 
{
       "image" => %w(), # No browsers implement this yet.
  "cross-fade" => %w()  # No browsers implement this yet.
}

Instance Method Summary collapse

Instance Method Details

#add_support(function, *aspects) ⇒ Object

Adds support for one or more aspects for the given simple function Example:

Compass::BrowserSupport.add_support("image", "moz", "webkit")
# => Adds support for moz and webkit to the image() function.

This function can be called one or more times in a compass configuration file in order to add support for new, simple browser functions without waiting for a new compass release.



21
22
23
24
25
26
27
28
29
30
31
32
 
# File 'lib/compass/browser_support.rb', line 21

def add_support(function, *aspects)
  aspects.each do |aspect|
    unless ASPECTS.include?(aspect)
      Compass::Util.compass_warn "Unknown support aspect: #{aspect}"
      next
    end
    unless supports?(function, aspect)
      SIMPLE_FUNCTIONS[function.to_s] ||= []
      SIMPLE_FUNCTIONS[function.to_s] << aspect.to_s
    end
  end
end

#has_aspect?(function) ⇒ Boolean

Returns:

  • (Boolean) 


57
58
59
 
# File 'lib/compass/browser_support.rb', line 57

def has_aspect?(function)
  SIMPLE_FUNCTIONS.has_key?(function.to_s) && SIMPLE_FUNCTIONS[function.to_s].size > 0
end

#remove_support(function, *aspects) ⇒ Object

Removes support for one or more aspects for the given simple function Example:

Compass::BrowserSupport.remove_support("image", "o", "ms")
# => Adds support for moz and webkit to the image() function.

This function can be called one or more times in a compass configuration file in order to remove support for simple functions that no longer need to a prefix without waiting for a new compass release.



43
44
45
46
47
48
49
50
51
 
# File 'lib/compass/browser_support.rb', line 43

def remove_support(function, *aspects)
  aspects.each do |aspect|
    unless ASPECTS.include?(aspect)
      Compass::Util.compass_warn "Unknown support aspect: #{aspect}"
      next
    end
    SIMPLE_FUNCTIONS[function.to_s].reject!{|a| a == aspect.to_s}
  end
end

#supports?(function, aspect) ⇒ Boolean

Returns:

  • (Boolean) 


53
54
55
 
# File 'lib/compass/browser_support.rb', line 53

def supports?(function, aspect)
  SIMPLE_FUNCTIONS.has_key?(function.to_s) && SIMPLE_FUNCTIONS[function.to_s].include?(aspect.to_s)
end