Page Speed Optimization Libraries  1.13.35.1
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net_instaweb::DeferIframeFilter Class Reference
Inheritance diagram for net_instaweb::DeferIframeFilter:
net_instaweb::CommonFilter net_instaweb::EmptyHtmlFilter net_instaweb::HtmlFilter

Public Member Functions

 DeferIframeFilter (RewriteDriver *driver)
 
virtual void StartDocumentImpl ()
 
virtual void StartElementImpl (HtmlElement *element)
 
virtual void EndElementImpl (HtmlElement *element)
 
virtual void DetermineEnabled (GoogleString *disabled_reason)
 
virtual const char * Name () const
 The name of this filter – used for logging and debugging.
 
ScriptUsage GetScriptUsage () const override
 
- Public Member Functions inherited from net_instaweb::CommonFilter
 CommonFilter (RewriteDriver *driver)
 
const GoogleUrlbase_url () const
 Getters. More...
 
const GoogleUrldecoded_base_url () const
 
RewriteDriverdriver () const
 
HtmlElementnoscript_element () const
 
void InsertNodeAtBodyEnd (HtmlNode *data)
 
virtual void StartDocument ()
 Note: Don't overload these methods, overload the implementers instead!
 
virtual void StartElement (HtmlElement *element)
 
virtual void EndElement (HtmlElement *element)
 
virtual void Characters (HtmlCharactersNode *characters)
 
ResourcePtr CreateInputResource (StringPiece input_url, RewriteDriver::InputRole role, bool *is_authorized)
 
ResourcePtr CreateInputResourceOrInsertDebugComment (StringPiece input_url, RewriteDriver::InputRole role, HtmlElement *element)
 
void ResolveUrl (StringPiece input_url, GoogleUrl *out_url)
 
bool IsRelativeUrlLoadPermittedByCsp (StringPiece url, CspDirective role)
 
bool BaseUrlIsValid () const
 
bool DebugMode () const
 
bool CanAddPagespeedOnloadToImage (const HtmlElement &)
 
virtual void LogFilterModifiedContent ()
 
virtual
RewriteDriver::InlineAuthorizationPolicy 
AllowUnauthorizedDomain () const
 
virtual bool IntendedForInlining () const
 
void AddJsToElement (StringPiece js, HtmlElement *script)
 
- Public Member Functions inherited from net_instaweb::EmptyHtmlFilter
virtual void EndDocument ()
 
virtual void Cdata (HtmlCdataNode *cdata)
 Called for CDATA blocks (e.g. <![CDATA[foobar]]>)
 
virtual void Comment (HtmlCommentNode *comment)
 Called for HTML comments that aren't IE directives (e.g. ).
 
virtual void IEDirective (HtmlIEDirectiveNode *directive)
 
virtual void Directive (HtmlDirectiveNode *directive)
 Called for HTML directives (e.g. <!doctype foobar>).
 
virtual void Flush ()
 
virtual bool CanModifyUrls ()
 
ScriptUsage GetScriptUsage () const override
 
- Public Member Functions inherited from net_instaweb::HtmlFilter
virtual void RenderDone ()
 
bool is_enabled () const
 
void set_is_enabled (bool is_enabled)
 

Static Public Attributes

static const char kDeferIframeInit []
 
static const char kDeferIframeIframeJs []
 
- Static Public Attributes inherited from net_instaweb::CommonFilter
static const char kCreateResourceFailedDebugMsg []
 Debug message to be inserted when resource creation fails.
 

Additional Inherited Members

- Public Types inherited from net_instaweb::HtmlFilter
enum  ScriptUsage { kWillInjectScripts, kMayInjectScripts, kNeverInjectsScripts }
 Describes a filter's relationship with scripts. More...
 
- Static Public Member Functions inherited from net_instaweb::CommonFilter
static bool ExtractMetaTagDetails (const HtmlElement &element, const ResponseHeaders *headers, GoogleString *content, GoogleString *mime_type, GoogleString *charset)
 
- Protected Member Functions inherited from net_instaweb::CommonFilter
ServerContextserver_context () const
 
const RewriteOptionsrewrite_options ()
 
virtual const char * LoggingId ()
 

Member Function Documentation

virtual void net_instaweb::DeferIframeFilter::DetermineEnabled ( GoogleString disabled_reason)
virtual

Invoked by rewrite driver where all filters should determine whether they are enabled for this request. The re-writer my optionally set disabled_reason to explain why it disabled itself, which will appear in the debug output.

Reimplemented from net_instaweb::EmptyHtmlFilter.

ScriptUsage net_instaweb::DeferIframeFilter::GetScriptUsage ( ) const
inlineoverridevirtual

Note: there is also kRequiresScriptExecutionFilterSet in rewrite_options.cc, which identifies filters that will leave broken pages if javascript is disabled, and hence require noscript handing. The set of filters that CanInjectScripts is larger, as it includes filters that might inject beacons or other optional functionality that is not page-critical.

Implements net_instaweb::HtmlFilter.

virtual void net_instaweb::DeferIframeFilter::StartDocumentImpl ( )
virtual

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: