com.facebook.rendercore.visibility

Class VisibilityMountExtension<Input extends VisibilityExtensionInput>

java.lang.Object

com.facebook.rendercore.extensions.MountExtension<Input,VisibilityMountExtension.VisibilityMountExtensionState>

com.facebook.rendercore.visibility.VisibilityMountExtension<Input>

public class VisibilityMountExtension<Input extends VisibilityExtensionInput>
extends MountExtension<Input,VisibilityMountExtension.VisibilityMountExtensionState>

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	VisibilityMountExtension.VisibilityMountExtensionState

Method Summary

Modifier and Type	Method and Description
void	afterMount(ExtensionState<VisibilityMountExtension.VisibilityMountExtensionState> extensionState) Called immediately after mounting.
void	beforeMount(ExtensionState<VisibilityMountExtension.VisibilityMountExtensionState> extensionState, Input input, Rect localVisibleRect) Called for setting up input on the extension before mounting.
static void	clearVisibilityItems(ExtensionState<VisibilityMountExtension.VisibilityMountExtensionState> extensionState)
VisibilityMountExtension.VisibilityMountExtensionState	createState()
static VisibilityMountExtension	getInstance()
static int	getRootHostViewHeight(ExtensionState<VisibilityMountExtension.VisibilityMountExtensionState> extensionState)
static int	getRootHostViewWidth(ExtensionState<VisibilityMountExtension.VisibilityMountExtensionState> extensionState)
static java.util.Map<java.lang.String,VisibilityItem>	getVisibilityIdToItemMap(ExtensionState<VisibilityMountExtension.VisibilityMountExtensionState> extensionState)
static int	getVisibleHeight(Rect itemIntersection)
static int	getVisibleLeft(Rect itemBounds, Rect itemIntersection)
static int	getVisibleTop(Rect itemBounds, Rect itemIntersection)
static int	getVisibleWidth(Rect itemIntersection)
static void	notifyOnUnbind(ExtensionState<VisibilityMountExtension.VisibilityMountExtensionState> extensionState)
void	onUnbind(ExtensionState<VisibilityMountExtension.VisibilityMountExtensionState> extensionState) Called after all the Host's children have been unbound.
void	onUnmount(ExtensionState<VisibilityMountExtension.VisibilityMountExtensionState> extensionState) Called after all the Host's children have been unmounted.
void	onVisibleBoundsChanged(ExtensionState<VisibilityMountExtension.VisibilityMountExtensionState> extensionState, Rect localVisibleRect) Called when the visible bounds of the Host change.
static void	processVisibilityOutputs(ExtensionState<VisibilityMountExtension.VisibilityMountExtensionState> extensionState, Rect localVisibleRect, boolean isDirty)
static void	setRootHost(ExtensionState<VisibilityMountExtension.VisibilityMountExtensionState> extensionState, Host root) Deprecated. Only used for Litho's integration. Marked for removal.
static boolean	shouldProcessVisibilityOutputs(ExtensionState<VisibilityMountExtension.VisibilityMountExtensionState> extensionState)

Methods inherited from class com.facebook.rendercore.extensions.MountExtension

beforeMountItem, canPreventMount, createExtensionState, getContentAt, getContentById, getMountTarget, isLockedForMount, isLockedForMount, isRootItem, onBindItem, onBoundsAppliedToItem, onMountItem, onUnbindItem, onUnmountItem, shouldUpdateItem

Methods inherited from class java.lang.Object

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

Method Detail

getInstance

public static VisibilityMountExtension getInstance()

createState

public VisibilityMountExtension.VisibilityMountExtensionState createState()

Specified by:

createState in class MountExtension<Input extends VisibilityExtensionInput,VisibilityMountExtension.VisibilityMountExtensionState>

beforeMount

public void beforeMount(ExtensionState<VisibilityMountExtension.VisibilityMountExtensionState> extensionState,
                        Input input,
                        Rect localVisibleRect)

Description copied from class: MountExtension

Called for setting up input on the extension before mounting.

Overrides:

beforeMount in class MountExtension<Input extends VisibilityExtensionInput,VisibilityMountExtension.VisibilityMountExtensionState>

Parameters:

extensionState - The inner state of this extension when beforeMount is called.

input - The new input the extension should use.

afterMount

public void afterMount(ExtensionState<VisibilityMountExtension.VisibilityMountExtensionState> extensionState)

Description copied from class: MountExtension

Called immediately after mounting.

Overrides:

afterMount in class MountExtension<Input extends VisibilityExtensionInput,VisibilityMountExtension.VisibilityMountExtensionState>

onVisibleBoundsChanged

public void onVisibleBoundsChanged(ExtensionState<VisibilityMountExtension.VisibilityMountExtensionState> extensionState,
                                   Rect localVisibleRect)

Description copied from class: MountExtension

Called when the visible bounds of the Host change.

Overrides:

onVisibleBoundsChanged in class MountExtension<Input extends VisibilityExtensionInput,VisibilityMountExtension.VisibilityMountExtensionState>

onUnbind

public void onUnbind(ExtensionState<VisibilityMountExtension.VisibilityMountExtensionState> extensionState)

Description copied from class: MountExtension

Called after all the Host's children have been unbound.

Overrides:

onUnbind in class MountExtension<Input extends VisibilityExtensionInput,VisibilityMountExtension.VisibilityMountExtensionState>

onUnmount

public void onUnmount(ExtensionState<VisibilityMountExtension.VisibilityMountExtensionState> extensionState)

Description copied from class: MountExtension

Called after all the Host's children have been unmounted.

Overrides:

onUnmount in class MountExtension<Input extends VisibilityExtensionInput,VisibilityMountExtension.VisibilityMountExtensionState>

getVisibilityIdToItemMap

public static java.util.Map<java.lang.String,VisibilityItem> getVisibilityIdToItemMap(ExtensionState<VisibilityMountExtension.VisibilityMountExtensionState> extensionState)

clearVisibilityItems

public static void clearVisibilityItems(ExtensionState<VisibilityMountExtension.VisibilityMountExtensionState> extensionState)

setRootHost

@Deprecated
public static void setRootHost(ExtensionState<VisibilityMountExtension.VisibilityMountExtensionState> extensionState,
                                           Host root)

Deprecated. Only used for Litho's integration. Marked for removal.

notifyOnUnbind

public static void notifyOnUnbind(ExtensionState<VisibilityMountExtension.VisibilityMountExtensionState> extensionState)

processVisibilityOutputs

public static void processVisibilityOutputs(ExtensionState<VisibilityMountExtension.VisibilityMountExtensionState> extensionState,
                                            Rect localVisibleRect,
                                            boolean isDirty)

shouldProcessVisibilityOutputs

public static boolean shouldProcessVisibilityOutputs(ExtensionState<VisibilityMountExtension.VisibilityMountExtensionState> extensionState)

getVisibleTop

public static int getVisibleTop(Rect itemBounds,
                                Rect itemIntersection)

getVisibleLeft

public static int getVisibleLeft(Rect itemBounds,
                                 Rect itemIntersection)

getVisibleWidth

public static int getVisibleWidth(Rect itemIntersection)

getVisibleHeight

public static int getVisibleHeight(Rect itemIntersection)

getRootHostViewWidth

public static int getRootHostViewWidth(ExtensionState<VisibilityMountExtension.VisibilityMountExtensionState> extensionState)

getRootHostViewHeight

public static int getRootHostViewHeight(ExtensionState<VisibilityMountExtension.VisibilityMountExtensionState> extensionState)