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diff --git a/src/components/conversation/conversation.js b/src/components/conversation/conversation.js
index bbb55cd044..63c843057d 100644
--- a/src/components/conversation/conversation.js
+++ b/src/components/conversation/conversation.js
@@ -1,502 +1,504 @@
import { get } from 'lodash-es'
import { storeToRefs } from 'pinia'
import {
computed,
nextTick,
onMounted,
provide,
ref,
toRefs,
useTemplateRef,
watch,
} from 'vue'
import { useRouter } from 'vue-router'
import ChatMessageList from 'src/components/chat_message_list/chat_message_list.vue'
import PostStatusForm from 'src/components/post_status_form/post_status_form.vue'
import QuickFilterSettings from 'src/components/quick_filter_settings/quick_filter_settings.vue'
import QuickViewSettings from 'src/components/quick_view_settings/quick_view_settings.vue'
import RichContent from 'src/components/rich_content/rich_content.jsx'
import ThreadTree from 'src/components/thread_tree/thread_tree.vue'
import { useInterfaceStore } from 'src/stores/interface.js'
import { useMergedConfigStore } from 'src/stores/merged_config.js'
import { useOAuthStore } from 'src/stores/oauth.js'
import { useStatusesStore } from 'src/stores/statuses.js'
import { useStreamingStore } from 'src/stores/streaming.js'
import {
fetchConversation as apiFetchConversation,
fetchStatus as apiFetchStatus,
} from 'src/api/public.js'
import { WSConnectionStatus } from 'src/api/websocket.js'
import { library } from '@fortawesome/fontawesome-svg-core'
import {
faAngleDoubleDown,
faAngleDoubleLeft,
faChevronLeft,
faReply,
faTimes,
} from '@fortawesome/free-solid-svg-icons'
library.add(
faAngleDoubleDown,
faAngleDoubleLeft,
faChevronLeft,
faReply,
faTimes,
)
export default {
props: {
statusId: {
// Main thing
type: String,
required: true,
},
isPage: {
// Whether conversation is rendered as a standalone page
// as opposed to embedded into a timeline
type: Boolean,
default: false,
},
virtualHidden: {
// Whether conversation is suspended. Controls rendering of statuses
type: Boolean,
default: false,
},
},
emits: ['update:virtualHeight'],
components: {
ThreadTree,
QuickFilterSettings,
QuickViewSettings,
ChatMessageList,
PostStatusForm,
RichContent,
},
setup(props, ctx) {
const { emit } = ctx
const { statusId } = toRefs(props)
const router = useRouter()
// # Main Configuration
const { mergedConfig } = storeToRefs(useMergedConfigStore())
const { mastoUserSocketStatus } = storeToRefs(useStreamingStore())
const displayStyle = computed(() => mergedConfig.value.conversationDisplay)
const streamingEnabled = computed(
() =>
mergedConfig.value.useStreamingApi &&
mastoUserSocketStatus === WSConnectionStatus.JOINED,
)
// # Misc
const loadStatusError = ref(null)
const { layoutType } = storeToRefs(useInterfaceStore())
const mobileLayout = computed(() => layoutType.value === 'mobile')
// # Focus
const focusedId = ref(statusId.value)
const focused = computed(() => (isExpanded.value ? focusedId.value : null))
const setFocused = (id) => {
if (!id) return
focusedId.value = id
if (!streamingEnabled.value) {
useStatusesStore().fetchStatus(id)
}
useStatusesStore().fetchFavsAndRepeats(id)
useStatusesStore().fetchEmojiReactions(id)
}
provide('focused', focused)
// # Main things
const getStatusObject = (id) => useStatusesStore().allStatuses.get(id)
const getConversationId = (statusId) => {
const status = getStatusObject(statusId)
return get(
status,
'retweeted_status.statusnet_conversation_id',
get(status, 'statusnet_conversation_id'),
)
}
const status = computed(() => getStatusObject(focusedId.value))
const fetchConversation = async () => {
if (status.value) {
const {
data: { ancestors, descendants },
timestamp,
} = await apiFetchConversation({
id: statusId.value,
credentials: useOAuthStore().token,
})
useStatusesStore().addNewStatuses({ statuses: ancestors, timestamp })
useStatusesStore().addNewStatuses({
statuses: descendants,
timestamp,
})
} else {
try {
loadStatusError.value = null
const { data: status } = await apiFetchStatus({
id: statusId.value,
credentials: useOAuthStore().token,
})
useStatusesStore().addNewStatuses({ statuses: [status] })
fetchConversation()
} catch (error) {
console.error(error)
loadStatusError.value = error
}
}
}
const resetDisplayState = () => {
setFocused(statusId.value)
threadDisplay.value = new Map()
}
watch(statusId, (newVal, oldVal) => {
const newConversationId = getConversationId(newVal)
const oldConversationId = getConversationId(oldVal)
if (
newConversationId &&
oldConversationId &&
newConversationId === oldConversationId
) {
setFocused(newVal)
} else {
resetDisplayState()
fetchConversation()
}
})
const sortById = (a, b) => {
const idA = a.type === 'retweet' ? a.retweeted_status.id : a.id
const idB = b.type === 'retweet' ? b.retweeted_status.id : b.id
const seqA = Number(idA)
const seqB = Number(idB)
const isSeqA = !Number.isNaN(seqA)
const isSeqB = !Number.isNaN(seqB)
if (isSeqA && isSeqB) {
return seqA < seqB ? -1 : 1
} else if (isSeqA && !isSeqB) {
return -1
} else if (!isSeqA && isSeqB) {
return 1
} else {
return idA < idB ? -1 : 1
}
}
const conversationId = computed(() => getConversationId(statusId.value))
const conversation = computed(() => {
if (!status.value) {
return []
}
if (!isExpanded.value) {
return [status.value]
}
const conversation = useStatusesStore().conversations.get(
conversationId.value,
)
return [...conversation.keys()]
.map((k) => useStatusesStore().allStatuses.get(k))
.filter((status) => status.type != 'repeat') // Old backend behavior?
.toSorted(sortById)
})
const replies = computed(() =>
conversation.value.reduce(
(result, { id, in_reply_to_status_id: irid }, index) => {
if (irid) {
if (!result.has(irid)) {
result.set(irid, new Set())
}
result.get(irid).add({
name: `#${index}`,
id,
})
}
return result
},
new Map(),
),
)
const getReplies = (id) => replies.value.get(id) ?? new Set()
const statusReplies = computed(() => {
return getReplies(status.value.id)
})
provide('conversation', conversation)
provide('replies', replies)
// # Conversation Expansion
const expanded = ref(false)
const { isPage } = toRefs(props)
const isExpanded = computed(() => !!(expanded.value || isPage.value))
const toggleExpanded = () => {
expanded.value = !expanded.value
}
watch(expanded, (value) => {
if (value) {
fetchConversation()
} else {
resetDisplayState()
}
})
provide('isExpanded', isExpanded)
provide('isPage', isPage)
// Component created
if (isPage.value) {
fetchConversation()
}
// # Virtual scrolling stuff
const body = useTemplateRef('body')
- const { virtualHidden } = toRefs(props)
const virtualHeight = ref(120)
const hiddenStyle = computed(() => ({
height: this.virtualHeight + 'px',
}))
- const unsuspendibleIds = ref(new Set())
- const suspendable = computed(() => unsuspendibleIds.value.size === 0)
- const hide = computed(() => virtualHidden.value && suspendable.value)
- const onStatusSuspendStateChange = ({ id, suspend }) => {
- if (!suspend) {
- unsuspendibleIds.value.add(id)
- } else {
- unsuspendibleIds.value.delete(id)
- }
- }
const updateVirtualHeight = () => {
if (hide) return // no updates when not rendering
if (!status.value) return // not loaded yet
nextTick(() => {
virtualHeight.value = body.value.getBoundingClientRect().height
emit('update:virtualHeight', {
id: status.value.id,
height: virtualHeight.value,
top: body.value.clientTop,
})
})
}
+
+ const unsuspendibleIds = ref(new Set())
+ const suspendable = computed(() => unsuspendibleIds.value.size === 0)
+ const onStatusSuspendStateChange = ({ id, suspend }) => {
+ if (!suspend) {
+ unsuspendibleIds.value.add(id)
+ } else {
+ unsuspendibleIds.value.delete(id)
+ }
+ }
+
+ const { virtualHidden } = toRefs(props)
+ const hide = computed(() => virtualHidden.value && suspendable.value)
onMounted(() => {
updateVirtualHeight()
})
// # Misc UI things
const firstStatus = computed(() => conversation.value[0])
const lastStatus = computed(
() => conversation.value[conversation.value.legnth - 1],
)
const getStatusClasses = (status, active) => ({
'-first': status.id === firstStatus.value?.id,
'-last': status.id === lastStatus.value?.id,
})
// # Linear style stuff
const isLinearView = computed(() => displayStyle.value !== 'tree')
// # Tree style stuff
const isTreeView = computed(() => displayStyle.value === 'tree')
// ## Tree state
// ### Topology
const ancestors = computed(() => {
// First we fill map with empty sets and add given id's parent
// as set's only element (if any)
const parentMap = conversation.value.reduce(
(result, { id, in_reply_to_status_id: irid }) => {
if (!result.has(id)) {
result.set(id, new Set())
}
if (irid) {
// Setting parent for current item
result.get(id).add(irid)
}
return result
},
new Map(),
)
// Next we iterate over each entry and fill the whole ancestry chain
parentMap.entries().forEach(([originId, originSet]) => {
let current = originSet.values().next().value
while (current) {
originSet.add(current)
const parent = parentMap.get(current) ?? new Set()
current = parent.values().next().value
}
})
return parentMap
})
const topLevel = computed(() =>
[...ancestors.value.entries()]
.filter(([id, ancestors]) => ancestors.size === 0)
.map(([id]) => getStatusObject(id)),
)
const getAncestorIds = (id) => ancestors.value.get(id) ?? new Set()
const getAncestors = (id) =>
[...getAncestorIds(id)].map(getStatusObject).filter(Boolean)
const currentAncestors = computed(() =>
getAncestors(focusedId.value).reverse(),
)
const currentDepth = computed(() => currentAncestors.value.length)
// ### Thread Display
const threadDisplay = ref(new Map()) // id => 'showing' | 'hidden'
const threadDisplayDefault = computed(() => {
return conversation.value.reduce((map, status) => {
const { id } = status
const depth = ancestors.value.get(id).size
const state = (() => {
if (depth - currentDepth.value <= maxDepthToShowByDefault.value) {
return 'showing'
} else {
return 'hidden'
}
})()
map.set(id, state)
return map
}, new Map())
})
provide('threadDisplay', threadDisplay)
provide('threadDisplayDefault', threadDisplayDefault)
const setThreadDisplayRecursively = (id, value) => {
threadDisplay.value.set(id, value)
;[...getReplies(id)]
.map((k) => k.id)
.map((id) => setThreadDisplayRecursively(id, value))
}
const showThreadRecursively = (id) => {
setThreadDisplayRecursively(id, 'showing')
}
// ## Derived values and config
const treeViewIsSimple = computed(
() => !mergedConfig.value.conversationTreeAdvanced,
)
const maxDepthToShowByDefault = computed(() => {
// maxDepthInThread = max number of depths that is *visible*
// since our depth starts with 0 and "showing" means "showing children"
// there is a -2 here
const maxDepth = mergedConfig.value.maxDepthInThread - 2
return Math.min(1, maxDepth)
})
const shouldShowAllConversationButton = computed(
() => currentAncestors.value.length > 0 && topLevel.value.length > 1,
)
const shouldShowAncestors = computed(
() => isExpanded.value && ancestors.value.get(focusedId.value) != null,
)
const shouldFadeAncestors = computed(
() => mergedConfig.value.conversationTreeFadeAncestors,
)
const shouldShowOtherRepliesButton = computed(
() => mergedConfig.value.conversationOtherRepliesButton === 'below',
)
// # Scrolling
const tryScrollTo = (id) => {
if (!id) {
return
}
if (isPage.value) {
router.push({ name: 'conversation', params: { statusId: id } })
}
// Because the conversation can be unmounted when out of sight
// and mounted again when it comes into sight,
// the `mounted` or `created` function in `status` should not
// contain scrolling calls, as we do not want the page to jump
// when we scroll with an expanded conversation.
//
// Now the method is to rely solely on the `focused` watcher
// in `status` components.
// In linear views, all statuses are rendered at all times, but
// in tree views, it is possible that a change in active status
// removes and adds status components (e.g. an originally child
// status becomes an ancestor status, and thus they will be
// different).
// Here, let the components be rendered first, in order to trigger
// the `focused` watcher.
nextTick(() => {
setFocused(id)
})
}
const diveIntoStatus = (id) => {
tryScrollTo(id)
}
const diveToTopLevel = () => {
tryScrollTo(currentAncestors.value[0].id)
}
return {
// # Misc
loadStatusError,
mobileLayout,
// # Focus
focused,
setFocused,
// # Main things
status,
statusReplies,
getReplies,
conversation,
// # Conversation Expansion
isPage,
isExpanded,
toggleExpanded,
// # Virtual scrolling stuff
hide,
onStatusSuspendStateChange,
updateVirtualHeight,
virtualHidden,
hiddenStyle,
// # Misc UI things
getStatusClasses,
// # Linear style stuff
isLinearView,
// # Tree style stuff
isTreeView,
// ## Tree state
// ### Topology
topLevel,
currentAncestors,
// ### Thread Display
showThreadRecursively,
// ## Derived values and config
treeViewIsSimple,
shouldShowAllConversationButton,
shouldShowAncestors,
shouldFadeAncestors,
shouldShowOtherRepliesButton,
// # Scrolling
diveToTopLevel,
diveIntoStatus,
}
},
}

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