diff options
Diffstat (limited to 'actionpack/lib/action_view/helpers/asset_tag_helper.rb')
| -rw-r--r-- | actionpack/lib/action_view/helpers/asset_tag_helper.rb | 73 |
1 files changed, 70 insertions, 3 deletions
diff --git a/actionpack/lib/action_view/helpers/asset_tag_helper.rb b/actionpack/lib/action_view/helpers/asset_tag_helper.rb index 14cdc7a025..6d2c28f969 100644 --- a/actionpack/lib/action_view/helpers/asset_tag_helper.rb +++ b/actionpack/lib/action_view/helpers/asset_tag_helper.rb @@ -454,6 +454,21 @@ module ActionView end alias_method :path_to_image, :image_path # aliased to avoid conflicts with an image_path named route + # Computes the path to a video asset in the public videos directory. + # Full paths from the document root will be passed through. + # Used internally by +video_tag+ to build the video path. + # + # ==== Examples + # video_path("hd") # => /videos/hd + # video_path("hd.avi") # => /videos/hd.avi + # video_path("trailers/hd.avi") # => /videos/trailers/hd.avi + # video_path("/trailers/hd.avi") # => /videos/hd.avi + # video_path("http://www.railsapplication.com/vid/hd.avi") # => http://www.railsapplication.com/vid/hd.avi + def video_path(source) + compute_public_path(source, 'videos') + end + alias_method :path_to_video, :video_path # aliased to avoid conflicts with an video_path named route + # Returns an html image tag for the +source+. The +source+ can be a full # path or a file that exists in your public images directory. # @@ -490,8 +505,8 @@ module ActionView def image_tag(source, options = {}) options.symbolize_keys! - options[:src] = path_to_image(source) - options[:alt] ||= File.basename(options[:src], '.*').split('.').first.to_s.capitalize + src = options[:src] = path_to_image(source) + options[:alt] ||= File.basename(src, '.*').split('.').first.to_s.capitalize if size = options.delete(:size) options[:width], options[:height] = size.split("x") if size =~ %r{^\d+x\d+$} @@ -499,12 +514,64 @@ module ActionView if mouseover = options.delete(:mouseover) options[:onmouseover] = "this.src='#{image_path(mouseover)}'" - options[:onmouseout] = "this.src='#{image_path(options[:src])}'" + options[:onmouseout] = "this.src='#{src}'" end tag("img", options) end + # Returns an html video tag for the +sources+. If +sources+ is a string, + # a single video tag will be returned. If +sources+ is an array, a video + # tag with nested source tags for each source will be returned. The + # +sources+ can be full paths or files that exists in your public videos + # directory. + # + # ==== Options + # You can add HTML attributes using the +options+. The +options+ supports + # two additional keys for convenience and conformance: + # + # * <tt>:poster</tt> - Set an image (like a screenshot) to be shown + # before the video loads. The path is calculated like the +src+ of +image_tag+. + # * <tt>:size</tt> - Supplied as "{Width}x{Height}", so "30x45" becomes + # width="30" and height="45". <tt>:size</tt> will be ignored if the + # value is not in the correct format. + # + # ==== Examples + # video_tag("trailer") # => + # <video src="/videos/trailer" /> + # video_tag("trailer.ogg") # => + # <video src="/videos/trailer.ogg" /> + # video_tag("trailer.ogg", :controls => true, :autobuffer => true) # => + # <video autobuffer="autobuffer" controls="controls" src="/videos/trailer.ogg" /> + # video_tag("trailer.m4v", :size => "16x10", :poster => "screenshot.png") # => + # <video src="/videos/trailer.m4v" width="16" height="10" poster="/images/screenshot.png" /> + # video_tag("/trailers/hd.avi", :size => "16x16") # => + # <video src="/trailers/hd.avi" width="16" height="16" /> + # video_tag("/trailers/hd.avi", :height => '32', :width => '32') # => + # <video height="32" src="/trailers/hd.avi" width="32" /> + # video_tag(["trailer.ogg", "trailer.flv"]) # => + # <video><source src="trailer.ogg" /><source src="trailer.ogg" /><source src="trailer.flv" /></video> + # video_tag(["trailer.ogg", "trailer.flv"] :size => "160x120") # => + # <video height="120" width="160"><source src="trailer.ogg" /><source src="trailer.flv" /></video> + def video_tag(sources, options = {}) + options.symbolize_keys! + + options[:poster] = path_to_image(options[:poster]) if options[:poster] + + if size = options.delete(:size) + options[:width], options[:height] = size.split("x") if size =~ %r{^\d+x\d+$} + end + + if sources.is_a?(Array) + content_tag("video", options) do + sources.map { |source| tag("source", :src => source) }.join + end + else + options[:src] = path_to_video(sources) + tag("video", options) + end + end + def self.cache_asset_timestamps @@cache_asset_timestamps end |