Swiftgram/TelegramUI/ChatInterfaceState.swift
2016-11-22 21:31:10 +03:00

312 lines
13 KiB
Swift

import Foundation
import Postbox
struct ChatInterfaceSelectionState: Coding, Equatable {
let selectedIds: Set<MessageId>
static func ==(lhs: ChatInterfaceSelectionState, rhs: ChatInterfaceSelectionState) -> Bool {
return lhs.selectedIds == rhs.selectedIds
}
init(selectedIds: Set<MessageId>) {
self.selectedIds = selectedIds
}
init(decoder: Decoder) {
if let data = decoder.decodeBytesForKeyNoCopy("i") {
self.selectedIds = Set(MessageId.decodeArrayFromBuffer(data))
} else {
self.selectedIds = Set()
}
}
func encode(_ encoder: Encoder) {
let buffer = WriteBuffer()
MessageId.encodeArrayToBuffer(Array(selectedIds), buffer: buffer)
encoder.encodeBytes(buffer, forKey: "i")
}
}
public struct ChatTextInputState: Coding, Equatable {
let inputText: String
let selectionRange: Range<Int>
public static func ==(lhs: ChatTextInputState, rhs: ChatTextInputState) -> Bool {
return lhs.inputText == rhs.inputText && lhs.selectionRange == rhs.selectionRange
}
init() {
self.inputText = ""
self.selectionRange = 0 ..< 0
}
init(inputText: String, selectionRange: Range<Int>) {
self.inputText = inputText
self.selectionRange = selectionRange
}
init(inputText: String) {
self.inputText = inputText
let length = (inputText as NSString).length
self.selectionRange = length ..< length
}
public init(decoder: Decoder) {
self.inputText = decoder.decodeStringForKey("t")
self.selectionRange = Int(decoder.decodeInt32ForKey("s0")) ..< Int(decoder.decodeInt32ForKey("s1"))
}
public func encode(_ encoder: Encoder) {
encoder.encodeString(self.inputText, forKey: "t")
encoder.encodeInt32(Int32(self.selectionRange.lowerBound), forKey: "s0")
encoder.encodeInt32(Int32(self.selectionRange.upperBound), forKey: "s1")
}
}
struct ChatEditMessageState: Coding, Equatable {
let messageId: MessageId
let inputState: ChatTextInputState
init(messageId: MessageId, inputState: ChatTextInputState) {
self.messageId = messageId
self.inputState = inputState
}
init(decoder: Decoder) {
self.messageId = MessageId(peerId: PeerId(decoder.decodeInt64ForKey("mp")), namespace: decoder.decodeInt32ForKey("mn"), id: decoder.decodeInt32ForKey("mi"))
if let inputState = decoder.decodeObjectForKey("is", decoder: { return ChatTextInputState(decoder: $0) }) as? ChatTextInputState {
self.inputState = inputState
} else {
self.inputState = ChatTextInputState()
}
}
func encode(_ encoder: Encoder) {
encoder.encodeInt64(self.messageId.peerId.toInt64(), forKey: "mp")
encoder.encodeInt32(self.messageId.namespace, forKey: "mn")
encoder.encodeInt32(self.messageId.id, forKey: "mi")
encoder.encodeObject(self.inputState, forKey: "is")
}
static func ==(lhs: ChatEditMessageState, rhs: ChatEditMessageState) -> Bool {
return lhs.messageId == rhs.messageId && lhs.inputState == rhs.inputState
}
func withUpdatedInputState(_ inputState: ChatTextInputState) -> ChatEditMessageState {
return ChatEditMessageState(messageId: self.messageId, inputState: inputState)
}
}
final class ChatEmbeddedInterfaceState: PeerChatListEmbeddedInterfaceState {
let timestamp: Int32
let text: String
init(timestamp: Int32, text: String) {
self.timestamp = timestamp
self.text = text
}
init(decoder: Decoder) {
self.timestamp = decoder.decodeInt32ForKey("d")
self.text = decoder.decodeStringForKey("t")
}
func encode(_ encoder: Encoder) {
encoder.encodeInt32(self.timestamp, forKey: "d")
encoder.encodeString(self.text, forKey: "t")
}
public func isEqual(to: PeerChatListEmbeddedInterfaceState) -> Bool {
if let to = to as? ChatEmbeddedInterfaceState {
return self.timestamp == to.timestamp && self.text == to.text
} else {
return false
}
}
}
final class ChatInterfaceState: PeerChatInterfaceState, Equatable {
let timestamp: Int32
let composeInputState: ChatTextInputState
let replyMessageId: MessageId?
let forwardMessageIds: [MessageId]?
let editMessage: ChatEditMessageState?
let selectionState: ChatInterfaceSelectionState?
var chatListEmbeddedState: PeerChatListEmbeddedInterfaceState? {
if !self.composeInputState.inputText.isEmpty && self.timestamp != 0 {
return ChatEmbeddedInterfaceState(timestamp: self.timestamp, text: self.composeInputState.inputText)
} else {
return nil
}
}
var effectiveInputState: ChatTextInputState {
if let editMessage = self.editMessage {
return editMessage.inputState
} else {
return self.composeInputState
}
}
init() {
self.timestamp = 0
self.composeInputState = ChatTextInputState()
self.replyMessageId = nil
self.forwardMessageIds = nil
self.editMessage = nil
self.selectionState = nil
}
init(timestamp: Int32, composeInputState: ChatTextInputState, replyMessageId: MessageId?, forwardMessageIds: [MessageId]?, editMessage: ChatEditMessageState?, selectionState: ChatInterfaceSelectionState?) {
self.timestamp = timestamp
self.composeInputState = composeInputState
self.replyMessageId = replyMessageId
self.forwardMessageIds = forwardMessageIds
self.editMessage = editMessage
self.selectionState = selectionState
}
init(decoder: Decoder) {
self.timestamp = decoder.decodeInt32ForKey("ts")
if let inputState = decoder.decodeObjectForKey("is", decoder: { return ChatTextInputState(decoder: $0) }) as? ChatTextInputState {
self.composeInputState = inputState
} else {
self.composeInputState = ChatTextInputState()
}
let replyMessageIdPeerId: Int64? = decoder.decodeInt64ForKey("r.p")
let replyMessageIdNamespace: Int32? = decoder.decodeInt32ForKey("r.n")
let replyMessageIdId: Int32? = decoder.decodeInt32ForKey("r.i")
if let replyMessageIdPeerId = replyMessageIdPeerId, let replyMessageIdNamespace = replyMessageIdNamespace, let replyMessageIdId = replyMessageIdId {
self.replyMessageId = MessageId(peerId: PeerId(replyMessageIdPeerId), namespace: replyMessageIdNamespace, id: replyMessageIdId)
} else {
self.replyMessageId = nil
}
if let forwardMessageIdsData = decoder.decodeBytesForKeyNoCopy("fm") {
self.forwardMessageIds = MessageId.decodeArrayFromBuffer(forwardMessageIdsData)
} else {
self.forwardMessageIds = nil
}
if let editMessage = decoder.decodeObjectForKey("em", decoder: { ChatEditMessageState(decoder: $0) }) as? ChatEditMessageState {
self.editMessage = editMessage
} else {
self.editMessage = nil
}
if let selectionState = decoder.decodeObjectForKey("ss", decoder: { return ChatInterfaceSelectionState(decoder: $0) }) as? ChatInterfaceSelectionState {
self.selectionState = selectionState
} else {
self.selectionState = nil
}
}
func encode(_ encoder: Encoder) {
encoder.encodeInt32(self.timestamp, forKey: "ts")
encoder.encodeObject(self.composeInputState, forKey: "is")
if let replyMessageId = self.replyMessageId {
encoder.encodeInt64(replyMessageId.peerId.toInt64(), forKey: "r.p")
encoder.encodeInt32(replyMessageId.namespace, forKey: "r.n")
encoder.encodeInt32(replyMessageId.id, forKey: "r.i")
} else {
encoder.encodeNil(forKey: "r.p")
encoder.encodeNil(forKey: "r.n")
encoder.encodeNil(forKey: "r.i")
}
if let forwardMessageIds = self.forwardMessageIds {
let buffer = WriteBuffer()
MessageId.encodeArrayToBuffer(forwardMessageIds, buffer: buffer)
encoder.encodeBytes(buffer, forKey: "fm")
} else {
encoder.encodeNil(forKey: "fm")
}
if let editMessage = self.editMessage {
encoder.encodeObject(editMessage, forKey: "em")
} else {
encoder.encodeNil(forKey: "em")
}
if let selectionState = self.selectionState {
encoder.encodeObject(selectionState, forKey: "ss")
} else {
encoder.encodeNil(forKey: "ss")
}
}
func isEqual(to: PeerChatInterfaceState) -> Bool {
if let to = to as? ChatInterfaceState, self == to {
return true
} else {
return false
}
}
static func ==(lhs: ChatInterfaceState, rhs: ChatInterfaceState) -> Bool {
if let lhsForwardMessageIds = lhs.forwardMessageIds, let rhsForwardMessageIds = rhs.forwardMessageIds {
if lhsForwardMessageIds != rhsForwardMessageIds {
return false
}
} else if (lhs.forwardMessageIds != nil) != (rhs.forwardMessageIds != nil) {
return false
}
return lhs.composeInputState == rhs.composeInputState && lhs.replyMessageId == rhs.replyMessageId && lhs.selectionState == rhs.selectionState && lhs.editMessage == rhs.editMessage
}
func withUpdatedComposeInputState(_ inputState: ChatTextInputState) -> ChatInterfaceState {
var updatedComposeInputState = inputState
return ChatInterfaceState(timestamp: self.timestamp, composeInputState: updatedComposeInputState, replyMessageId: self.replyMessageId, forwardMessageIds: self.forwardMessageIds, editMessage: self.editMessage, selectionState: self.selectionState)
}
func withUpdatedEffectiveInputState(_ inputState: ChatTextInputState) -> ChatInterfaceState {
var updatedEditMessage = self.editMessage
var updatedComposeInputState = self.composeInputState
if let editMessage = self.editMessage {
updatedEditMessage = editMessage.withUpdatedInputState(inputState)
} else {
updatedComposeInputState = inputState
}
return ChatInterfaceState(timestamp: self.timestamp, composeInputState: updatedComposeInputState, replyMessageId: self.replyMessageId, forwardMessageIds: self.forwardMessageIds, editMessage: updatedEditMessage, selectionState: self.selectionState)
}
func withUpdatedReplyMessageId(_ replyMessageId: MessageId?) -> ChatInterfaceState {
return ChatInterfaceState(timestamp: self.timestamp, composeInputState: self.composeInputState, replyMessageId: replyMessageId, forwardMessageIds: self.forwardMessageIds, editMessage: self.editMessage, selectionState: self.selectionState)
}
func withUpdatedForwardMessageIds(_ forwardMessageIds: [MessageId]?) -> ChatInterfaceState {
return ChatInterfaceState(timestamp: self.timestamp, composeInputState: self.composeInputState, replyMessageId: self.replyMessageId, forwardMessageIds: forwardMessageIds, editMessage: self.editMessage, selectionState: self.selectionState)
}
func withUpdatedSelectedMessage(_ messageId: MessageId) -> ChatInterfaceState {
var selectedIds = Set<MessageId>()
if let selectionState = self.selectionState {
selectedIds.formUnion(selectionState.selectedIds)
}
selectedIds.insert(messageId)
return ChatInterfaceState(timestamp: self.timestamp, composeInputState: self.composeInputState, replyMessageId: self.replyMessageId, forwardMessageIds: self.forwardMessageIds, editMessage: self.editMessage, selectionState: ChatInterfaceSelectionState(selectedIds: selectedIds))
}
func withToggledSelectedMessage(_ messageId: MessageId) -> ChatInterfaceState {
var selectedIds = Set<MessageId>()
if let selectionState = self.selectionState {
selectedIds.formUnion(selectionState.selectedIds)
}
if selectedIds.contains(messageId) {
let _ = selectedIds.remove(messageId)
} else {
selectedIds.insert(messageId)
}
return ChatInterfaceState(timestamp: self.timestamp, composeInputState: self.composeInputState, replyMessageId: self.replyMessageId, forwardMessageIds: self.forwardMessageIds, editMessage: self.editMessage, selectionState: ChatInterfaceSelectionState(selectedIds: selectedIds))
}
func withoutSelectionState() -> ChatInterfaceState {
return ChatInterfaceState(timestamp: self.timestamp, composeInputState: self.composeInputState, replyMessageId: self.replyMessageId, forwardMessageIds: self.forwardMessageIds, editMessage: self.editMessage, selectionState: nil)
}
func withUpdatedTimestamp(_ timestamp: Int32) -> ChatInterfaceState {
return ChatInterfaceState(timestamp: timestamp, composeInputState: self.composeInputState, replyMessageId: self.replyMessageId, forwardMessageIds: self.forwardMessageIds, editMessage: self.editMessage, selectionState: self.selectionState)
}
func withUpdatedEditMessage(_ editMessage: ChatEditMessageState?) -> ChatInterfaceState {
return ChatInterfaceState(timestamp: self.timestamp, composeInputState: self.composeInputState, replyMessageId: self.replyMessageId, forwardMessageIds: self.forwardMessageIds, editMessage: editMessage, selectionState: self.selectionState)
}
}