ChatOperation class

Represents a single operation performed on the message list managed by a ChatController.

Instances of this class are emitted by the ChatController.operationsStream to notify listeners about changes.

Constructors

ChatOperation.insert(Message message, int index)

Creates an insert operation.

factory

ChatOperation.insertAll(List<Message> messages, int index)

Creates an insertAll operation, for inserting multiple messages at a specified index.

factory

ChatOperation.remove(Message message, int index)

Creates a remove operation.

factory

ChatOperation.set(List<Message> messages)

Creates a set operation (signifying a full list replacement).

factory

ChatOperation.update(Message oldMessage, Message message, int index)

Creates an update operation.

factory

Properties

hashCode → int

The hash code for this object.

no setter, inherited

index → int?

The index where the message was inserted or removed. Null for update and set. For insertAll, this is the starting index of the insertion.

final

message → Message?

The affected message (inserted, updated, removed). Null for set or insertAll.

final

messages → List<Message>?

A list of messages, used by insertAll and set operations. Null for other operation types.

final

oldMessage → Message?

The message before an update operation. Null for other types.

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

type → ChatOperationType

The type of operation performed.

final

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited