com.bumptech.glide.request.transition

Class BitmapContainerTransitionFactory<R>

java.lang.Object

com.bumptech.glide.request.transition.BitmapContainerTransitionFactory<R>

Type Parameters:

R - The type of the composite object that contains the Bitmap to be transitioned.

All Implemented Interfaces:

TransitionFactory<R>

Direct Known Subclasses:

BitmapTransitionFactory

public abstract class BitmapContainerTransitionFactory<R>
extends Object
implements TransitionFactory<R>

A TransitionFactory for complex types that have a Bitmap inside. The transitioning bitmap is wrapped in a BitmapDrawable. Most commonly used with DrawableCrossFadeFactory.

Constructor Summary

Constructors

Constructor and Description
BitmapContainerTransitionFactory(TransitionFactory<Drawable> realFactory)

Method Summary

Modifier and Type	Method and Description
Transition<R>	build(DataSource dataSource, boolean isFirstResource) Returns a new Transition.
protected abstract Bitmap	getBitmap(R current) Retrieve the Bitmap from a composite object.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

BitmapContainerTransitionFactory

public BitmapContainerTransitionFactory(TransitionFactory<Drawable> realFactory)

Method Detail

build

public Transition<R> build(DataSource dataSource,
                           boolean isFirstResource)

Description copied from interface: TransitionFactory

Returns a new Transition.

Specified by:

build in interface TransitionFactory<R>

Parameters:

dataSource - The DataSource the resource was loaded from.

isFirstResource - True if this is the first resource to be loaded into the target.

getBitmap

protected abstract Bitmap getBitmap(R current)

Retrieve the Bitmap from a composite object.

Warning: Do not convert any arbitrary object to Bitmap via expensive drawing here, this method is called on the UI thread.

Parameters:

current - composite object containing a Bitmap and some other information

Returns:

the Bitmap contained within current