#3870 trigger hooks by owner symbol

lib/jekyll/convertible.rb

@@ -144,6 +144,15 @@ module Jekyll
       end
     end
 
+    # returns the owner symbol for hook triggering
+    def hook_owner
+      if is_a?(Post)
+        :post
+      elsif is_a?(Page)
+        :page
+      end
+    end
+
     # Determine whether the document is an asset file.
     # Asset files include CoffeeScript files and Sass/SCSS files.
     #
@@ -236,7 +245,7 @@ module Jekyll
     #
     # Returns nothing.
     def do_layout(payload, layouts)
-      Jekyll::Hooks.trigger self, :pre_render, payload
+      Jekyll::Hooks.trigger hook_owner, :pre_render, self, payload
       info = { :filters => [Jekyll::Filters], :registers => { :site => site, :page => payload['page'] } }
 
       # render and transform content (this becomes the final content of the object)
@@ -250,7 +259,7 @@ module Jekyll
       self.output = content
 
       render_all_layouts(layouts, payload, info) if place_in_layout?
-      Jekyll::Hooks.trigger self, :post_render
+      Jekyll::Hooks.trigger hook_owner, :post_render, self
     end
 
     # Write the generated page file to the destination directory.
@@ -264,7 +273,7 @@ module Jekyll
       File.open(path, 'wb') do |f|
         f.write(output)
       end
-      Jekyll::Hooks.trigger self, :post_write
+      Jekyll::Hooks.trigger hook_owner, :post_write, self
     end
 
     # Accessor for data properties by Liquid.

lib/jekyll/document.rb

@@ -190,7 +190,7 @@ module Jekyll
         f.write(output)
       end
 
-      Jekyll::Hooks.trigger self, :post_write
+      Jekyll::Hooks.trigger :document, :post_write, self
     end
 
     # Returns merged option hash for File.read of self.site (if exists)

lib/jekyll/hooks.rb

@@ -1,13 +1,5 @@
 module Jekyll
   module Hooks
-    # Helps look up hooks from the registry by owner's class
-    OWNER_MAP = {
-      Jekyll::Site => :site,
-      Jekyll::Page => :page,
-      Jekyll::Post => :post,
-      Jekyll::Document => :document,
-    }.freeze
-
     DEFAULT_PRIORITY = 20
 
     # compatibility layer for octopress-hooks users
@@ -88,19 +80,17 @@ module Jekyll
     end
 
     # interface for Jekyll core components to trigger hooks
-    def self.trigger(instance, event, *args)
+    def self.trigger(owner, event, *args)
-      owner_symbol = OWNER_MAP[instance.class]
-
       # proceed only if there are hooks to call
-      return unless @registry[owner_symbol]
+      return unless @registry[owner]
-      return unless @registry[owner_symbol][event]
+      return unless @registry[owner][event]
 
       # hooks to call for this owner and event
-      hooks = @registry[owner_symbol][event]
+      hooks = @registry[owner][event]
 
       # sort and call hooks according to priority and load order
       hooks.sort_by { |h| @hook_priority[h] }.each do |hook|
-        hook.call(instance, *args)
+        hook.call(*args)
       end
     end
   end

lib/jekyll/page.rb

@@ -36,7 +36,7 @@ module Jekyll
         site.frontmatter_defaults.find(File.join(dir, name), type, key)
       end
 
-      Jekyll::Hooks.trigger self, :post_init
+      Jekyll::Hooks.trigger :page, :post_init, self
     end
 
     # The generated directory into which the page will be placed

lib/jekyll/post.rb

@@ -69,7 +69,7 @@ module Jekyll
       populate_categories
       populate_tags
 
-      Jekyll::Hooks.trigger self, :post_init
+      Jekyll::Hooks.trigger :post, :post_init, self
     end
 
     def published?

lib/jekyll/renderer.rb

@@ -35,7 +35,7 @@ module Jekyll
         "page" => document.to_liquid
       }, site_payload || site.site_payload)
 
-      Jekyll::Hooks.trigger document, :pre_render, payload
+      Jekyll::Hooks.trigger :document, :pre_render, document, payload
 
       info = {
         filters:   [Jekyll::Filters],

lib/jekyll/site.rb

@@ -86,7 +86,7 @@ module Jekyll
         raise ArgumentError, "limit_posts must be a non-negative number"
       end
 
-      Jekyll::Hooks.trigger self, :after_reset
+      Jekyll::Hooks.trigger :site, :after_reset, self
     end
 
     # Load necessary libraries, plugins, converters, and generators.
@@ -144,7 +144,7 @@ module Jekyll
     def read
       reader.read
       limit_posts!
-      Jekyll::Hooks.trigger self, :post_read
+      Jekyll::Hooks.trigger :site, :post_read, self
     end
 
     # Run each of the Generators.
@@ -164,13 +164,13 @@ module Jekyll
 
       payload = site_payload
 
-      Jekyll::Hooks.trigger self, :pre_render, payload
+      Jekyll::Hooks.trigger :site, :pre_render, self, payload
 
       collections.each do |label, collection|
         collection.docs.each do |document|
           if regenerator.regenerate?(document)
             document.output = Jekyll::Renderer.new(self, document, payload).run
-            Jekyll::Hooks.trigger document, :post_render
+            Jekyll::Hooks.trigger :document, :post_render, document
           end
         end
       end
@@ -199,7 +199,7 @@ module Jekyll
         item.write(dest) if regenerator.regenerate?(item)
       }
       regenerator.write_metadata
-      Jekyll::Hooks.trigger self, :post_write
+      Jekyll::Hooks.trigger :site, :post_write, self
     end
 
     # Construct a Hash of Posts indexed by the specified Post attribute.