Page Speed Optimization Libraries  1.7.30.1
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Defines
Public Member Functions | Static Public Member Functions | Static Public Attributes
net_instaweb::CriticalImagesBeaconFilter Class Reference

#include "critical_images_beacon_filter.h"

Inheritance diagram for net_instaweb::CriticalImagesBeaconFilter:
net_instaweb::CommonFilter

List of all members.

Public Member Functions

 CriticalImagesBeaconFilter (RewriteDriver *driver)
virtual void DetermineEnabled ()
virtual void StartDocumentImpl ()
virtual void EndDocument ()
virtual void StartElementImpl (HtmlElement *element)
virtual void EndElementImpl (HtmlElement *element)
virtual const char * Name () const

Static Public Member Functions

static void InitStats (Statistics *statistics)
static bool IncludeRenderedImagesInBeacon (RewriteDriver *rewrite_driver)

Static Public Attributes

static const char kCriticalImagesBeaconAddedCount []
 Counters.

Detailed Description

Inject javascript for detecting above the fold images after the page has loaded. Also adds pagespeed_url_hash attributes that the beacon sends back to the server. This allows the beacon to work despite image URL rewriting or inlining.


Member Function Documentation

Returns true if this filter is going to include rendered image dimensions in the beacon.

Overload these implementer methods: Intentionally left abstract so that implementers don't forget to change the name from Blah to BlahImpl.

Implements net_instaweb::CommonFilter.


The documentation for this class was generated from the following file:
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Defines