ImageSourceProvider

#include <Ultralight/ImageSource.h>

Overview

Maps image sources to string identifiers.

This is used to lookup ImageSource instances when they are requested by a web-page.

Static Public Member Functions
static ImageSourceProvider &	instance ()
	Get the ImageSourceProvider singleton.

Public Member Functions
virtual RefPtr< ImageSource >	GetImageSource (const String &id)=0
	Get an ImageSource by its identifier.
virtual void	AddImageSource (const String &id, RefPtr< ImageSource > image_source)=0
	Add an ImageSource to the provider.
virtual void	RemoveImageSource (const String &id)=0
	Remove an ImageSource from the provider.
virtual void	AddListener (ImageSourceProviderListener *listener)=0
	Add a listener to the provider.
virtual void	RemoveListener (ImageSourceProviderListener *listener)=0
	Remove a listener from the provider.

Protected Member Functions
virtual	~ImageSourceProvider ()=default

Constructor & Destructor Documentation

~ImageSourceProvider()

virtual ~ImageSourceProvider ( )

protectedvirtualdefault

Member Function Documentation

AddImageSource()

virtual void AddImageSource ( const String & id, RefPtr< ImageSource > image_source )

pure virtual

Add an ImageSource to the provider.

Parameters

id	The identifier of the image source.
image_source	The ImageSource instance.

AddListener()

virtual void AddListener ( ImageSourceProviderListener * listener )

pure virtual

Add a listener to the provider.

Parameters

listener

The listener to add.

GetImageSource()

virtual RefPtr< ImageSource > GetImageSource ( const String & id )

pure virtual

Get an ImageSource by its identifier.

Parameters

id	The identifier of the image source.

Returns

The ImageSource instance or nullptr if not found.

instance()

static ImageSourceProvider & instance ( )

static

Get the ImageSourceProvider singleton.

RemoveImageSource()

virtual void RemoveImageSource ( const String & id )

pure virtual

Remove an ImageSource from the provider.

Parameters

id	The identifier of the image source.

RemoveListener()

virtual void RemoveListener ( ImageSourceProviderListener * listener )

pure virtual

Remove a listener from the provider.

Parameters

listener

The listener to remove.

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The documentation for this class was generated from the following file:

• Ultralight/ImageSource.h