com.facebook.litho.sections.widget

Class SectionBinderTarget

java.lang.Object

com.facebook.litho.sections.widget.SectionBinderTarget

All Implemented Interfaces:

SectionTree.Target, Binder<RecyclerView>

public class SectionBinderTarget
extends java.lang.Object
implements SectionTree.Target, Binder<RecyclerView>

Implementation of SectionTree.Target that uses a RecyclerBinder.

Nested Class Summary

Nested classes/interfaces inherited from interface com.facebook.litho.sections.SectionTree.Target

SectionTree.Target.DynamicConfig

Constructor Summary

Constructors

Constructor and Description
SectionBinderTarget(RecyclerBinder recyclerBinder)
SectionBinderTarget(RecyclerBinder recyclerBinder, boolean useBackgroundChangeSets)

Method Summary

Modifier and Type	Method and Description
void	bind(RecyclerView view) Bind this Binder to a View.
boolean	canMeasure() Only for horizontally scrolling layouts: return true if height is not known when measuring the view and the first item will be measured to determine the height.
void	changeConfig(SectionTree.Target.DynamicConfig dynamicConfig) Notify this target that a new set of configurations is applied.
void	clear()
void	delete(int index) Notify that the Component at index was deleted.
void	deleteRange(int index, int count)
void	detach() Detach items under the hood.
ComponentTree	getComponentAt(int position) Returns the component at the given position in the binder.
void	insert(int index, RenderInfo renderInfo) Notify that a Component was added at index.
void	insertRange(int index, int count, java.util.List<RenderInfo> renderInfos)
boolean	isWrapContent() Return true if wrap content is enabled, false otherwise.
void	measure(Size outSize, int widthSpec, int heightSpec, EventHandler<ReMeasureEvent> reMeasureEventEventHandler) Measure the content of this Binder.
void	mount(RecyclerView view) Call this method before the View is mounted, i.e.
void	move(int fromPosition, int toPosition) Notify that a Component was moved fromPosition toPosition.
void	notifyChangeSetComplete(boolean isDataChanged, ChangeSetCompleteCallback changeSetCompleteCallback) Called when a changeset has finished being applied.
void	requestFocus(int index) Request focus on the item with the given index.
void	requestFocusWithOffset(int index, int offset) Request focus on the item with the given index, plus some additional offset.
void	requestFocusWithOffset(java.lang.Object id, int offset) Request focus on the item with the given id, plus some additional offset.
void	requestSmoothFocus(int index, int offset, SmoothScrollAlignmentType type) Request smooth focus on the item with the given index.
void	requestSmoothFocus(java.lang.Object id, int offset, SmoothScrollAlignmentType type) Request smooth focus on the item with the given Handle.
void	setCanMeasure(boolean canMeasure) Only for horizontally scrolling layouts: set to true if height is not known when measuring the view and the first item will need to be measured to determine the height of the view.
void	setSize(int width, int height) Set the width and height of the View that will be passed to the subsequent Binder.mount(ViewGroup), Binder.bind(ViewGroup) and Binder.unmount(ViewGroup) calls.
void	setViewportChangedListener(ViewportInfo.ViewportChanged viewportChangedListener) Bind a ViewportInfo.ViewportChanged listener to this Binder.
boolean	supportsBackgroundChangeSets()
void	unbind(RecyclerView view) Call this method when the view is unbound.
void	unmount(RecyclerView view) Call this method when the view is unmounted.
void	update(int index, RenderInfo renderInfo) Notify that a Component was updated at index.
void	updateRange(int index, int count, java.util.List<RenderInfo> renderInfos)

Methods inherited from class java.lang.Object

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

Constructor Detail

SectionBinderTarget

public SectionBinderTarget(RecyclerBinder recyclerBinder)

SectionBinderTarget

public SectionBinderTarget(RecyclerBinder recyclerBinder,
                           boolean useBackgroundChangeSets)

Method Detail

setSize

public void setSize(int width,
                    int height)

Description copied from interface: Binder

Set the width and height of the View that will be passed to the subsequent Binder.mount(ViewGroup), Binder.bind(ViewGroup) and Binder.unmount(ViewGroup) calls. Can be called by any thread.

Specified by:

setSize in interface Binder<RecyclerView>

Parameters:

width - Usually the view width minus horizontal padding.

height - Usually the view height minus vertical padding.

measure

public void measure(Size outSize,
                    int widthSpec,
                    int heightSpec,
                    EventHandler<ReMeasureEvent> reMeasureEventEventHandler)

Description copied from interface: Binder

Measure the content of this Binder. Call this method from the Component's onMeasure.

Specified by:

measure in interface Binder<RecyclerView>

getComponentAt

public ComponentTree getComponentAt(int position)

Description copied from interface: Binder

Returns the component at the given position in the binder.

Specified by:

getComponentAt in interface Binder<RecyclerView>

mount

public void mount(RecyclerView view)

Description copied from interface: Binder

Call this method before the View is mounted, i.e. within com.facebook.litho.Component#onMount(ComponentContext, Object))}

Specified by:

mount in interface Binder<RecyclerView>

bind

public void bind(RecyclerView view)

Description copied from interface: Binder

Bind this Binder to a View. Remember to call ViewGroup#notifyDataSetChanged() when your Components are ready to be used.

Specified by:

bind in interface Binder<RecyclerView>

unbind

public void unbind(RecyclerView view)

Description copied from interface: Binder

Call this method when the view is unbound.

Specified by:

unbind in interface Binder<RecyclerView>

Parameters:

view - the view being unbound.

unmount

public void unmount(RecyclerView view)

Description copied from interface: Binder

Call this method when the view is unmounted.

Specified by:

unmount in interface Binder<RecyclerView>

Parameters:

view - the view being unmounted.

setViewportChangedListener

public void setViewportChangedListener(ViewportInfo.ViewportChanged viewportChangedListener)

Description copied from interface: Binder

Bind a ViewportInfo.ViewportChanged listener to this Binder. The listener will be notified of Viewport changes.

Specified by:

setViewportChangedListener in interface Binder<RecyclerView>

insert

public void insert(int index,
                   RenderInfo renderInfo)

Description copied from interface: SectionTree.Target

Notify that a Component was added at index.

Specified by:

insert in interface SectionTree.Target

insertRange

public void insertRange(int index,
                        int count,
                        java.util.List<RenderInfo> renderInfos)

Specified by:

insertRange in interface SectionTree.Target

update

public void update(int index,
                   RenderInfo renderInfo)

Description copied from interface: SectionTree.Target

Notify that a Component was updated at index.

Specified by:

update in interface SectionTree.Target

updateRange

public void updateRange(int index,
                        int count,
                        java.util.List<RenderInfo> renderInfos)

Specified by:

updateRange in interface SectionTree.Target

move

public void move(int fromPosition,
                 int toPosition)

Description copied from interface: SectionTree.Target

Notify that a Component was moved fromPosition toPosition.

Specified by:

move in interface SectionTree.Target

notifyChangeSetComplete

public void notifyChangeSetComplete(boolean isDataChanged,
                                    ChangeSetCompleteCallback changeSetCompleteCallback)

Description copied from interface: SectionTree.Target

Called when a changeset has finished being applied.

Specified by:

notifyChangeSetComplete in interface SectionTree.Target

requestFocus

public void requestFocus(int index)

Description copied from interface: SectionTree.Target

Request focus on the item with the given index.

Specified by:

requestFocus in interface SectionTree.Target

requestSmoothFocus

public void requestSmoothFocus(int index,
                               int offset,
                               SmoothScrollAlignmentType type)

Description copied from interface: SectionTree.Target

Request smooth focus on the item with the given index.

Specified by:

requestSmoothFocus in interface SectionTree.Target

requestFocusWithOffset

public void requestFocusWithOffset(int index,
                                   int offset)

Description copied from interface: SectionTree.Target

Request focus on the item with the given index, plus some additional offset.

Specified by:

requestFocusWithOffset in interface SectionTree.Target

requestSmoothFocus

public void requestSmoothFocus(java.lang.Object id,
                               int offset,
                               SmoothScrollAlignmentType type)

Description copied from interface: SectionTree.Target

Request smooth focus on the item with the given Handle.

Specified by:

requestSmoothFocus in interface SectionTree.Target

requestFocusWithOffset

public void requestFocusWithOffset(java.lang.Object id,
                                   int offset)

Description copied from interface: SectionTree.Target

Request focus on the item with the given id, plus some additional offset.

Specified by:

requestFocusWithOffset in interface SectionTree.Target

delete

public void delete(int index)

Description copied from interface: SectionTree.Target

Notify that the Component at index was deleted.

Specified by:

delete in interface SectionTree.Target

deleteRange

public void deleteRange(int index,
                        int count)

Specified by:

deleteRange in interface SectionTree.Target

isWrapContent

public boolean isWrapContent()

Description copied from interface: Binder

Return true if wrap content is enabled, false otherwise.

Specified by:

isWrapContent in interface Binder<RecyclerView>

canMeasure

public boolean canMeasure()

Description copied from interface: Binder

Only for horizontally scrolling layouts: return true if height is not known when measuring the view and the first item will be measured to determine the height.

Specified by:

canMeasure in interface Binder<RecyclerView>

setCanMeasure

public void setCanMeasure(boolean canMeasure)

Description copied from interface: Binder

Only for horizontally scrolling layouts: set to true if height is not known when measuring the view and the first item will need to be measured to determine the height of the view.

Specified by:

setCanMeasure in interface Binder<RecyclerView>

supportsBackgroundChangeSets

public boolean supportsBackgroundChangeSets()

Specified by:

supportsBackgroundChangeSets in interface SectionTree.Target

Returns:

whether this target supports applying change sets from a background thread.

changeConfig

public void changeConfig(SectionTree.Target.DynamicConfig dynamicConfig)

Description copied from interface: SectionTree.Target

Notify this target that a new set of configurations is applied.

Specified by:

changeConfig in interface SectionTree.Target

detach

public void detach()

Description copied from interface: Binder

Detach items under the hood.

Specified by:

detach in interface Binder<RecyclerView>

clear

public void clear()