com.facebook.rendercore

Class MountDelegateExtension

java.lang.Object

com.facebook.rendercore.MountDelegateExtension

Direct Known Subclasses:

IncrementalMountExtension, TransitionsExtension

public class MountDelegateExtension
extends Object

Mount extension which can be registered by a MountState as an extension which can override mounting behaviour. MountState will rely on the extensions registered on the MountDelegate to decide what to mount or unmount. If no extensions are registered on the MountState's delegate, it falls back to its default behaviour.

Constructor Summary

Constructors

Constructor and Description
MountDelegateExtension()

Method Summary

Modifier and Type	Method and Description
protected void	acquireMountReference(RenderTreeNode renderTreeNode, int position, MountDelegate.MountDelegateInput input, boolean isMounting)
boolean	canPreventMount()
protected Object	getContentAt(int position)
MountDelegate.MountDelegateTarget	getMountTarget()
protected boolean	isAnimationLocked(RenderTreeNode renderTreeNode, int position)
protected boolean	isLockedForMount(RenderTreeNode renderTreeNode)
protected boolean	isRootItem(int position)
void	onUmountItem(Object item, long layoutOutputId)
protected boolean	ownsReference(RenderTreeNode renderTreeNode)
void	registerToDelegate(MountDelegate mountDelegate)
protected void	releaseMountReference(RenderTreeNode renderTreeNode, int position, boolean isMounting)
protected void	resetAcquiredReferences()

Methods inherited from class java.lang.Object

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

Constructor Detail

MountDelegateExtension

public MountDelegateExtension()

Method Detail

registerToDelegate

public void registerToDelegate(MountDelegate mountDelegate)

resetAcquiredReferences

protected void resetAcquiredReferences()

isRootItem

protected boolean isRootItem(int position)

getContentAt

protected Object getContentAt(int position)

acquireMountReference

protected void acquireMountReference(RenderTreeNode renderTreeNode,
                                     int position,
                                     MountDelegate.MountDelegateInput input,
                                     boolean isMounting)

releaseMountReference

protected void releaseMountReference(RenderTreeNode renderTreeNode,
                                     int position,
                                     boolean isMounting)

isLockedForMount

protected boolean isLockedForMount(RenderTreeNode renderTreeNode)

ownsReference

protected boolean ownsReference(RenderTreeNode renderTreeNode)

canPreventMount

public boolean canPreventMount()

onUmountItem

public void onUmountItem(Object item,
                         long layoutOutputId)

getMountTarget

public MountDelegate.MountDelegateTarget getMountTarget()

isAnimationLocked

protected boolean isAnimationLocked(RenderTreeNode renderTreeNode,
                                    int position)