blob: c09d2a2ef9f4ea8858c5b23f5459d7f8c1d83769 [file] [log] [blame]
/**
* @license
* Copyright 2018 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import '../../../styles/shared-styles';
import '../../shared/gr-comment-thread/gr-comment-thread';
import '../../shared/gr-dropdown-list/gr-dropdown-list';
import {SpecialFilePath} from '../../../constants/constants';
import {
AccountDetailInfo,
AccountInfo,
NumericChangeId,
UrlEncodedCommentId,
} from '../../../types/common';
import {ChangeMessageId} from '../../../api/rest-api';
import {
CommentThread,
getCommentAuthors,
getMentionedThreads,
hasHumanReply,
isDraft,
isDraftThread,
isMentionedThread,
isRobotThread,
isUnresolved,
lastUpdated,
} from '../../../utils/comment-util';
import {pluralize} from '../../../utils/string-util';
import {assertIsDefined} from '../../../utils/common-util';
import {CommentTabState, TabState} from '../../../types/events';
import {DropdownItem} from '../../shared/gr-dropdown-list/gr-dropdown-list';
import {GrAccountChip} from '../../shared/gr-account-chip/gr-account-chip';
import {css, html, LitElement, PropertyValues} from 'lit';
import {customElement, property, queryAll, state} from 'lit/decorators.js';
import {sharedStyles} from '../../../styles/shared-styles';
import {subscribe} from '../../lit/subscription-controller';
import {ParsedChangeInfo} from '../../../types/types';
import {repeat} from 'lit/directives/repeat.js';
import {GrCommentThread} from '../../shared/gr-comment-thread/gr-comment-thread';
import {getAppContext} from '../../../services/app-context';
import {resolve} from '../../../models/dependency';
import {changeModelToken} from '../../../models/change/change-model';
import {Interaction} from '../../../constants/reporting';
import {HtmlPatched} from '../../../utils/lit-util';
import {userModelToken} from '../../../models/user/user-model';
import {specialFilePathCompare} from '../../../utils/path-list-util';
enum SortDropdownState {
TIMESTAMP = 'Latest timestamp',
FILES = 'Files',
}
export const __testOnly_SortDropdownState = SortDropdownState;
/**
* Order as follows:
* - Patchset level threads (descending based on patchset number)
* - unresolved
* - comments with drafts
* - comments without drafts
* - resolved
* - comments with drafts
* - comments without drafts
* - File name
* - Line number
* - Unresolved (descending based on patchset number)
* - comments with drafts
* - comments without drafts
* - Resolved (descending based on patchset number)
* - comments with drafts
* - comments without drafts
*/
export function compareThreads(
c1: CommentThread,
c2: CommentThread,
byTimestamp = false
) {
if (byTimestamp) {
const c1Time = lastUpdated(c1)?.getTime() ?? 0;
const c2Time = lastUpdated(c2)?.getTime() ?? 0;
const timeDiff = c2Time - c1Time;
if (timeDiff !== 0) return c2Time - c1Time;
}
if (c1.path !== c2.path) {
// '/PATCHSET' will not come before '/COMMIT' when sorting
// alphabetically so move it to the front explicitly
if (c1.path === SpecialFilePath.PATCHSET_LEVEL_COMMENTS) {
return -1;
}
if (c2.path === SpecialFilePath.PATCHSET_LEVEL_COMMENTS) {
return 1;
}
return specialFilePathCompare(c1.path, c2.path);
}
// Convert 'FILE' and 'LOST' to undefined.
const line1 = typeof c1.line === 'number' ? c1.line : undefined;
const line2 = typeof c2.line === 'number' ? c2.line : undefined;
if (line1 !== line2) {
// one of them is a FILE/LOST comment, show first
if (line1 === undefined) return -1;
if (line2 === undefined) return 1;
// Lower line numbers first.
return line1 < line2 ? -1 : 1;
}
if (c1.patchNum !== c2.patchNum) {
// `patchNum` should be required, but show undefined first.
if (c1.patchNum === undefined) return -1;
if (c2.patchNum === undefined) return 1;
// Higher patchset numbers first.
return c1.patchNum > c2.patchNum ? -1 : 1;
}
// Sorting should not be based on the thread being unresolved or being a draft
// thread, because that would be a surprising re-sort when the thread changes
// state.
const c1Time = lastUpdated(c1)?.getTime() ?? 0;
const c2Time = lastUpdated(c2)?.getTime() ?? 0;
if (c2Time !== c1Time) {
// Newer comments first.
return c2Time - c1Time;
}
return 0;
}
@customElement('gr-thread-list')
export class GrThreadList extends LitElement {
@queryAll('gr-comment-thread')
threadElements?: NodeListOf<GrCommentThread>;
/**
* Raw list of threads for the component to show.
*
* ATTENTION! this.threads should never be used directly within the component.
*
* Either use getAllThreads(), which applies filters that are inherent to what
* the component is supposed to render,
* e.g. onlyShowRobotCommentsWithHumanReply.
*
* Or use getDisplayedThreads(), which applies the currently selected filters
* on top.
*/
@property({type: Array})
threads: CommentThread[] = [];
@property({type: Boolean, attribute: 'show-comment-context'})
showCommentContext = false;
/** Along with `draftsOnly` is the currently selected filter. */
@property({type: Boolean, attribute: 'unresolved-only'})
unresolvedOnly = false;
@property({
type: Boolean,
attribute: 'only-show-robot-comments-with-human-reply',
})
onlyShowRobotCommentsWithHumanReply = false;
@property({type: Boolean, attribute: 'hide-dropdown'})
hideDropdown = false;
@property({type: Object, attribute: 'comment-tab-state'})
commentTabState?: TabState;
@property({type: String, attribute: 'scroll-comment-id'})
scrollCommentId?: UrlEncodedCommentId;
/**
* Optional context information when threads are being displayed for a
* specific change message. That influences which comments are expanded or
* collapsed by default.
*/
@property({type: String, attribute: 'message-id'})
messageId?: ChangeMessageId;
@state()
changeNum?: NumericChangeId;
@state()
change?: ParsedChangeInfo;
@state()
account?: AccountDetailInfo;
@state()
selectedAuthors: AccountInfo[] = [];
@state()
sortDropdownValue: SortDropdownState = SortDropdownState.TIMESTAMP;
/** Along with `unresolvedOnly` is the currently selected filter. */
@state()
draftsOnly = false;
@state()
mentionsOnly = false;
private readonly getChangeModel = resolve(this, changeModelToken);
private readonly reporting = getAppContext().reportingService;
private readonly getUserModel = resolve(this, userModelToken);
private readonly patched = new HtmlPatched(key => {
this.reporting.reportInteraction(Interaction.AUTOCLOSE_HTML_PATCHED, {
component: this.tagName,
key: key.substring(0, 300),
});
});
constructor() {
super();
subscribe(
this,
() => this.getChangeModel().changeNum$,
x => (this.changeNum = x)
);
subscribe(
this,
() => this.getChangeModel().change$,
x => (this.change = x)
);
subscribe(
this,
() => this.getUserModel().account$,
x => (this.account = x)
);
// for COMMENTS_AUTOCLOSE logging purposes only
this.reporting.reportInteraction(
Interaction.COMMENTS_AUTOCLOSE_THREAD_LIST_CREATED
);
}
override willUpdate(changed: PropertyValues) {
if (changed.has('commentTabState')) this.onCommentTabStateUpdate();
if (changed.has('scrollCommentId')) this.onScrollCommentIdUpdate();
}
private onCommentTabStateUpdate() {
switch (this.commentTabState?.commentTab) {
case CommentTabState.MENTIONS:
this.handleOnlyMentions();
break;
case CommentTabState.UNRESOLVED:
this.handleOnlyUnresolved();
break;
case CommentTabState.DRAFTS:
this.handleOnlyDrafts();
break;
case CommentTabState.SHOW_ALL:
this.handleAllComments();
break;
}
}
/**
* When user wants to scroll to a comment, render all comments so that the
* appropriate comment can be scrolled into view.
*/
private onScrollCommentIdUpdate() {
if (this.scrollCommentId) this.handleAllComments();
}
static override get styles() {
return [
sharedStyles,
css`
#threads {
display: block;
}
gr-comment-thread {
display: block;
margin-bottom: var(--spacing-m);
}
.header {
align-items: center;
background-color: var(--background-color-primary);
border-bottom: 1px solid var(--border-color);
border-top: 1px solid var(--border-color);
display: flex;
justify-content: left;
padding: var(--spacing-s) var(--spacing-l);
}
.draftsOnly:not(.unresolvedOnly) gr-comment-thread[has-draft],
.unresolvedOnly:not(.draftsOnly) gr-comment-thread[unresolved],
.draftsOnly.unresolvedOnly gr-comment-thread[has-draft][unresolved] {
display: block;
}
.thread-separator {
border-top: 1px solid var(--border-color);
margin-top: var(--spacing-xl);
}
.show-resolved-comments {
box-shadow: none;
padding-left: var(--spacing-m);
}
.partypopper {
margin-right: var(--spacing-s);
}
gr-dropdown-list {
--trigger-style-text-color: var(--primary-text-color);
--trigger-style-font-family: var(--font-family);
}
.filter-text,
.sort-text,
.author-text {
margin-right: var(--spacing-s);
color: var(--deemphasized-text-color);
}
.author-text {
margin-left: var(--spacing-m);
}
gr-account-label {
--account-max-length: 120px;
display: inline-block;
user-select: none;
--label-border-radius: 8px;
margin: 0 var(--spacing-xs);
padding: var(--spacing-xs) var(--spacing-m);
line-height: var(--line-height-normal);
cursor: pointer;
}
gr-account-label:focus {
outline: none;
}
gr-account-label:hover,
gr-account-label:hover {
box-shadow: var(--elevation-level-1);
cursor: pointer;
}
`,
];
}
override updated(): void {
// for COMMENTS_AUTOCLOSE logging purposes only
const threads = this.shadowRoot!.querySelectorAll('gr-comment-thread');
if (threads.length > 0) {
this.reporting.reportInteraction(
Interaction.COMMENTS_AUTOCLOSE_THREAD_LIST_UPDATED,
{uid: threads[0].uid}
);
}
}
override render() {
return html`
${this.renderDropdown()}
<div id="threads" part="threads">
${this.renderEmptyThreadsMessage()} ${this.renderCommentThreads()}
</div>
`;
}
private renderDropdown() {
if (this.hideDropdown) return;
return html`
<div class="header">
<span class="sort-text">Sort By:</span>
<gr-dropdown-list
id="sortDropdown"
.value=${this.sortDropdownValue}
@value-change=${(e: CustomEvent) =>
(this.sortDropdownValue = e.detail.value)}
.items=${this.getSortDropdownEntries()}
>
</gr-dropdown-list>
<span class="separator"></span>
<span class="filter-text">Filter By:</span>
<gr-dropdown-list
id="filterDropdown"
.value=${this.getCommentsDropdownValue()}
@value-change=${this.handleCommentsDropdownValueChange}
.items=${this.getCommentsDropdownEntries()}
>
</gr-dropdown-list>
${this.renderAuthorChips()}
</div>
`;
}
private renderEmptyThreadsMessage() {
const threads = this.getAllThreads();
const threadsEmpty = threads.length === 0;
const displayedEmpty = this.getDisplayedThreads().length === 0;
if (!displayedEmpty) return;
const showPopper = this.unresolvedOnly && !threadsEmpty;
const popper = html`<span class="partypopper">&#x1F389;</span>`;
const showButton = this.unresolvedOnly && !threadsEmpty;
const button = html`
<gr-button
class="show-resolved-comments"
link
@click=${this.handleAllComments}
>Show ${pluralize(threads.length, 'resolved comment')}</gr-button
>
`;
return html`
<div>
<span>
${showPopper ? popper : undefined}
${threadsEmpty ? 'No comments' : 'No unresolved comments'}
${showButton ? button : undefined}
</span>
</div>
`;
}
private renderCommentThreads() {
const threads = this.getDisplayedThreads();
return repeat(
threads,
thread => thread.rootId,
(thread, index) => {
const isFirst =
index === 0 || threads[index - 1].path !== threads[index].path;
const separator =
index !== 0 && isFirst
? this.patched.html`<div class="thread-separator"></div>`
: undefined;
const commentThread = this.renderCommentThread(thread, isFirst);
return this.patched.html`${separator}${commentThread}`;
}
);
}
private renderCommentThread(thread: CommentThread, isFirst: boolean) {
return this.patched.html`
<gr-comment-thread
.thread=${thread}
show-file-path
?show-ported-comment=${thread.ported}
?show-comment-context=${this.showCommentContext}
?show-file-name=${isFirst}
.messageId=${this.messageId}
?should-scroll-into-view=${thread.rootId === this.scrollCommentId}
@comment-thread-editing-changed=${() => {
this.requestUpdate();
}}
></gr-comment-thread>
`;
}
private renderAuthorChips() {
const authors = getCommentAuthors(this.getDisplayedThreads(), this.account);
if (authors.length === 0) return;
return html`<span class="author-text">From:</span>${authors.map(author =>
this.renderAccountChip(author)
)}`;
}
private renderAccountChip(account: AccountInfo) {
const selected = this.selectedAuthors.some(
a => a._account_id === account._account_id
);
return html`
<gr-account-label
.account=${account}
@click=${this.handleAccountClicked}
selectionChipStyle
noStatusIcons
?selected=${selected}
></gr-account-label>
`;
}
private getCommentsDropdownValue() {
if (this.mentionsOnly) return CommentTabState.MENTIONS;
if (this.draftsOnly) return CommentTabState.DRAFTS;
if (this.unresolvedOnly) return CommentTabState.UNRESOLVED;
return CommentTabState.SHOW_ALL;
}
private getSortDropdownEntries() {
return [
{text: SortDropdownState.FILES, value: SortDropdownState.FILES},
{text: SortDropdownState.TIMESTAMP, value: SortDropdownState.TIMESTAMP},
];
}
// private, but visible for testing
getCommentsDropdownEntries() {
const items: DropdownItem[] = [];
const threads = this.getAllThreads();
items.push({
text: `Unresolved (${threads.filter(isUnresolved).length})`,
value: CommentTabState.UNRESOLVED,
});
if (this.account) {
items.push({
text: `Mentions (${getMentionedThreads(threads, this.account).length})`,
value: CommentTabState.MENTIONS,
});
items.push({
text: `Drafts (${threads.filter(isDraftThread).length})`,
value: CommentTabState.DRAFTS,
});
}
items.push({
text: `All (${threads.length})`,
value: CommentTabState.SHOW_ALL,
});
return items;
}
private handleAccountClicked(e: MouseEvent) {
const account = (e.target as GrAccountChip).account;
assertIsDefined(account, 'account');
const predicate = (a: AccountInfo) => a._account_id === account._account_id;
const found = this.selectedAuthors.find(predicate);
if (found) {
this.selectedAuthors = this.selectedAuthors.filter(a => !predicate(a));
} else {
this.selectedAuthors = [...this.selectedAuthors, account];
}
}
// private, but visible for testing
handleCommentsDropdownValueChange(e: CustomEvent) {
const value = e.detail.value;
switch (value) {
case CommentTabState.UNRESOLVED:
this.handleOnlyUnresolved();
break;
case CommentTabState.MENTIONS:
this.handleOnlyMentions();
break;
case CommentTabState.DRAFTS:
this.handleOnlyDrafts();
break;
default:
this.handleAllComments();
}
}
/**
* Returns all threads that the list may show.
*/
// private, but visible for testing
getAllThreads() {
return this.threads.filter(
t =>
!this.onlyShowRobotCommentsWithHumanReply ||
!isRobotThread(t) ||
hasHumanReply(t)
);
}
/**
* Returns all threads that are currently shown in the list, respecting the
* currently selected filter.
*/
// private, but visible for testing
getDisplayedThreads() {
const byTimestamp =
this.sortDropdownValue === SortDropdownState.TIMESTAMP &&
!this.hideDropdown;
return this.getAllThreads()
.sort((t1, t2) => compareThreads(t1, t2, byTimestamp))
.filter(t => this.shouldShowThread(t));
}
private isASelectedAuthor(account?: AccountInfo) {
if (!account) return false;
return this.selectedAuthors.some(
author => account._account_id === author._account_id
);
}
private shouldShowThread(thread: CommentThread) {
// Never make a thread disappear while the user is editing it.
assertIsDefined(thread.rootId, 'thread.rootId');
const el = this.queryThreadElement(thread.rootId);
if (el?.editing) return true;
if (this.selectedAuthors.length > 0) {
const hasACommentFromASelectedAuthor = thread.comments.some(
c =>
(isDraft(c) && this.isASelectedAuthor(this.account)) ||
this.isASelectedAuthor(c.author)
);
if (!hasACommentFromASelectedAuthor) return false;
}
// This is probably redundant, because getAllThreads() filters this out.
if (this.onlyShowRobotCommentsWithHumanReply) {
if (isRobotThread(thread) && !hasHumanReply(thread)) return false;
}
if (this.mentionsOnly && !isMentionedThread(thread, this.account))
return false;
if (this.draftsOnly && !isDraftThread(thread)) return false;
if (this.unresolvedOnly && !isUnresolved(thread)) return false;
return true;
}
private handleOnlyUnresolved() {
this.unresolvedOnly = true;
this.draftsOnly = false;
this.mentionsOnly = false;
}
private handleOnlyMentions() {
this.mentionsOnly = true;
this.unresolvedOnly = true;
this.draftsOnly = false;
}
private handleOnlyDrafts() {
this.draftsOnly = true;
this.unresolvedOnly = false;
this.mentionsOnly = false;
}
private handleAllComments() {
this.draftsOnly = false;
this.unresolvedOnly = false;
this.mentionsOnly = false;
}
private queryThreadElement(rootId: string): GrCommentThread | undefined {
const els = [...(this.threadElements ?? [])] as GrCommentThread[];
return els.find(el => el.rootId === rootId);
}
}
declare global {
interface HTMLElementTagNameMap {
'gr-thread-list': GrThreadList;
}
}