diff options
Diffstat (limited to 'src/components/conversation/conversation.js')
| -rw-r--r-- | src/components/conversation/conversation.js | 374 |
1 files changed, 363 insertions, 11 deletions
diff --git a/src/components/conversation/conversation.js b/src/components/conversation/conversation.js index 069c0b40..2ef2977a 100644 --- a/src/components/conversation/conversation.js +++ b/src/components/conversation/conversation.js @@ -1,5 +1,19 @@ import { reduce, filter, findIndex, clone, get } from 'lodash' import Status from '../status/status.vue' +import ThreadTree from '../thread_tree/thread_tree.vue' + +import { library } from '@fortawesome/fontawesome-svg-core' +import { + faAngleDoubleDown, + faAngleDoubleLeft, + faChevronLeft +} from '@fortawesome/free-solid-svg-icons' + +library.add( + faAngleDoubleDown, + faAngleDoubleLeft, + faChevronLeft +) const sortById = (a, b) => { const idA = a.type === 'retweet' ? a.retweeted_status.id : a.id @@ -35,7 +49,10 @@ const conversation = { data () { return { highlight: null, - expanded: false + expanded: false, + threadDisplayStatusObject: {}, // id => 'showing' | 'hidden' + statusContentPropertiesObject: {}, + inlineDivePosition: null } }, props: [ @@ -53,13 +70,51 @@ const conversation = { } }, computed: { - hideStatus () { + maxDepthToShowByDefault () { + // 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 = this.$store.getters.mergedConfig.maxDepthInThread - 2 + return maxDepth >= 1 ? maxDepth : 1 + }, + displayStyle () { + return this.$store.getters.mergedConfig.conversationDisplay + }, + isTreeView () { + return !this.isLinearView + }, + treeViewIsSimple () { + return !this.$store.getters.mergedConfig.conversationTreeAdvanced + }, + isLinearView () { + return this.displayStyle === 'linear' + }, + shouldFadeAncestors () { + return this.$store.getters.mergedConfig.conversationTreeFadeAncestors + }, + otherRepliesButtonPosition () { + return this.$store.getters.mergedConfig.conversationOtherRepliesButton + }, + showOtherRepliesButtonBelowStatus () { + return this.otherRepliesButtonPosition === 'below' + }, + showOtherRepliesButtonInsideStatus () { + return this.otherRepliesButtonPosition === 'inside' + }, + suspendable () { + if (this.isTreeView) { + return Object.entries(this.statusContentProperties) + .every(([k, prop]) => !prop.replying && prop.mediaPlaying.length === 0) + } if (this.$refs.statusComponent && this.$refs.statusComponent[0]) { - return this.virtualHidden && this.$refs.statusComponent[0].suspendable + return this.$refs.statusComponent.every(s => s.suspendable) } else { - return this.virtualHidden + return true } }, + hideStatus () { + return this.virtualHidden && this.suspendable + }, status () { return this.$store.state.statuses.allStatusesObject[this.statusId] }, @@ -90,6 +145,121 @@ const conversation = { return sortAndFilterConversation(conversation, this.status) }, + statusMap () { + return this.conversation.reduce((res, s) => { + res[s.id] = s + return res + }, {}) + }, + threadTree () { + const reverseLookupTable = this.conversation.reduce((table, status, index) => { + table[status.id] = index + return table + }, {}) + + const threads = this.conversation.reduce((a, cur) => { + const id = cur.id + a.forest[id] = this.getReplies(id) + .map(s => s.id) + + return a + }, { + forest: {} + }) + + const walk = (forest, topLevel, depth = 0, processed = {}) => topLevel.map(id => { + if (processed[id]) { + return [] + } + + processed[id] = true + return [{ + status: this.conversation[reverseLookupTable[id]], + id, + depth + }, walk(forest, forest[id], depth + 1, processed)].reduce((a, b) => a.concat(b), []) + }).reduce((a, b) => a.concat(b), []) + + const linearized = walk(threads.forest, this.topLevel.map(k => k.id)) + + return linearized + }, + replyIds () { + return this.conversation.map(k => k.id) + .reduce((res, id) => { + res[id] = (this.replies[id] || []).map(k => k.id) + return res + }, {}) + }, + totalReplyCount () { + const sizes = {} + const subTreeSizeFor = (id) => { + if (sizes[id]) { + return sizes[id] + } + sizes[id] = 1 + this.replyIds[id].map(cid => subTreeSizeFor(cid)).reduce((a, b) => a + b, 0) + return sizes[id] + } + this.conversation.map(k => k.id).map(subTreeSizeFor) + return Object.keys(sizes).reduce((res, id) => { + res[id] = sizes[id] - 1 // exclude itself + return res + }, {}) + }, + totalReplyDepth () { + const depths = {} + const subTreeDepthFor = (id) => { + if (depths[id]) { + return depths[id] + } + depths[id] = 1 + this.replyIds[id].map(cid => subTreeDepthFor(cid)).reduce((a, b) => a > b ? a : b, 0) + return depths[id] + } + this.conversation.map(k => k.id).map(subTreeDepthFor) + return Object.keys(depths).reduce((res, id) => { + res[id] = depths[id] - 1 // exclude itself + return res + }, {}) + }, + depths () { + return this.threadTree.reduce((a, k) => { + a[k.id] = k.depth + return a + }, {}) + }, + topLevel () { + const topLevel = this.conversation.reduce((tl, cur) => + tl.filter(k => this.getReplies(cur.id).map(v => v.id).indexOf(k.id) === -1), this.conversation) + return topLevel + }, + otherTopLevelCount () { + return this.topLevel.length - 1 + }, + showingTopLevel () { + if (this.canDive && this.diveRoot) { + return [this.statusMap[this.diveRoot]] + } + return this.topLevel + }, + diveRoot () { + const statusId = this.inlineDivePosition || this.statusId + const isTopLevel = !this.parentOf(statusId) + return isTopLevel ? null : statusId + }, + diveDepth () { + return this.canDive && this.diveRoot ? this.depths[this.diveRoot] : 0 + }, + diveMode () { + return this.canDive && !!this.diveRoot + }, + shouldShowAllConversationButton () { + // The "show all conversation" button tells the user that there exist + // other toplevel statuses, so do not show it if there is only a single root + return this.isTreeView && this.isExpanded && this.diveMode && this.topLevel.length > 1 + }, + shouldShowAncestors () { + return this.isTreeView && this.isExpanded && this.ancestorsOf(this.diveRoot).length + }, replies () { let i = 1 // eslint-disable-next-line camelcase @@ -109,15 +279,71 @@ const conversation = { }, {}) }, isExpanded () { - return this.expanded || this.isPage + return !!(this.expanded || this.isPage) }, hiddenStyle () { const height = (this.status && this.status.virtualHeight) || '120px' return this.virtualHidden ? { height } : {} + }, + threadDisplayStatus () { + return this.conversation.reduce((a, k) => { + const id = k.id + const depth = this.depths[id] + const status = (() => { + if (this.threadDisplayStatusObject[id]) { + return this.threadDisplayStatusObject[id] + } + if ((depth - this.diveDepth) <= this.maxDepthToShowByDefault) { + return 'showing' + } else { + return 'hidden' + } + })() + + a[id] = status + return a + }, {}) + }, + statusContentProperties () { + return this.conversation.reduce((a, k) => { + const id = k.id + const props = (() => { + const def = { + showingTall: false, + expandingSubject: false, + showingLongSubject: false, + isReplying: false, + mediaPlaying: [] + } + + if (this.statusContentPropertiesObject[id]) { + return { + ...def, + ...this.statusContentPropertiesObject[id] + } + } + return def + })() + + a[id] = props + return a + }, {}) + }, + canDive () { + return this.isTreeView && this.isExpanded + }, + focused () { + return (id) => { + return (this.isExpanded) && id === this.highlight + } + }, + maybeHighlight () { + return this.isExpanded ? this.highlight : null } }, components: { - Status + Status, + ThreadTree }, watch: { statusId (newVal, oldVal) { @@ -132,6 +358,8 @@ const conversation = { expanded (value) { if (value) { this.fetchConversation() + } else { + this.resetDisplayState() } }, virtualHidden (value) { @@ -161,8 +389,8 @@ const conversation = { getReplies (id) { return this.replies[id] || [] }, - focused (id) { - return (this.isExpanded) && id === this.statusId + getHighlight () { + return this.isExpanded ? this.highlight : null }, setHighlight (id) { if (!id) return @@ -170,15 +398,139 @@ const conversation = { this.$store.dispatch('fetchFavsAndRepeats', id) this.$store.dispatch('fetchEmojiReactionsBy', id) }, - getHighlight () { - return this.isExpanded ? this.highlight : null - }, toggleExpanded () { this.expanded = !this.expanded }, getConversationId (statusId) { const status = this.$store.state.statuses.allStatusesObject[statusId] return get(status, 'retweeted_status.statusnet_conversation_id', get(status, 'statusnet_conversation_id')) + }, + setThreadDisplay (id, nextStatus) { + this.threadDisplayStatusObject = { + ...this.threadDisplayStatusObject, + [id]: nextStatus + } + }, + toggleThreadDisplay (id) { + const curStatus = this.threadDisplayStatus[id] + const nextStatus = curStatus === 'showing' ? 'hidden' : 'showing' + this.setThreadDisplay(id, nextStatus) + }, + setThreadDisplayRecursively (id, nextStatus) { + this.setThreadDisplay(id, nextStatus) + this.getReplies(id).map(k => k.id).map(id => this.setThreadDisplayRecursively(id, nextStatus)) + }, + showThreadRecursively (id) { + this.setThreadDisplayRecursively(id, 'showing') + }, + setStatusContentProperty (id, name, value) { + this.statusContentPropertiesObject = { + ...this.statusContentPropertiesObject, + [id]: { + ...this.statusContentPropertiesObject[id], + [name]: value + } + } + }, + toggleStatusContentProperty (id, name) { + this.setStatusContentProperty(id, name, !this.statusContentProperties[id][name]) + }, + leastVisibleAncestor (id) { + let cur = id + let parent = this.parentOf(cur) + while (cur) { + // if the parent is showing it means cur is visible + if (this.threadDisplayStatus[parent] === 'showing') { + return cur + } + parent = this.parentOf(parent) + cur = this.parentOf(cur) + } + // nothing found, fall back to toplevel + return this.topLevel[0] ? this.topLevel[0].id : undefined + }, + diveIntoStatus (id, preventScroll) { + this.tryScrollTo(id) + }, + diveToTopLevel () { + this.tryScrollTo(this.topLevelAncestorOrSelfId(this.diveRoot) || this.topLevel[0].id) + }, + // only used when we are not on a page + undive () { + this.inlineDivePosition = null + this.setHighlight(this.statusId) + }, + tryScrollTo (id) { + if (!id) { + return + } + if (this.isPage) { + // set statusId + this.$router.push({ name: 'conversation', params: { id } }) + } else { + this.inlineDivePosition = 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 `highlight` 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 `highlight` watcher. + this.$nextTick(() => { + this.setHighlight(id) + }) + }, + goToCurrent () { + this.tryScrollTo(this.diveRoot || this.topLevel[0].id) + }, + statusById (id) { + return this.statusMap[id] + }, + parentOf (id) { + const status = this.statusById(id) + if (!status) { + return undefined + } + const { in_reply_to_status_id: parentId } = status + if (!this.statusMap[parentId]) { + return undefined + } + return parentId + }, + parentOrSelf (id) { + return this.parentOf(id) || id + }, + // Ancestors of some status, from top to bottom + ancestorsOf (id) { + const ancestors = [] + let cur = this.parentOf(id) + while (cur) { + ancestors.unshift(this.statusMap[cur]) + cur = this.parentOf(cur) + } + return ancestors + }, + topLevelAncestorOrSelfId (id) { + let cur = id + let parent = this.parentOf(id) + while (parent) { + cur = this.parentOf(cur) + parent = this.parentOf(parent) + } + return cur + }, + resetDisplayState () { + this.undive() + this.threadDisplayStatusObject = {} } } } |