Updates pull request actions in the focus view

- disables "switch to branch" when on the current branch
- disables "open worktree" when already in it

src/plus/webviews/focus/focusWebview.ts

@@ -19,6 +19,7 @@ import { createReference } from '../../../git/models/reference';
 import type { GitRemote } from '../../../git/models/remote';
 import type { Repository, RepositoryChangeEvent } from '../../../git/models/repository';
 import { RepositoryChange, RepositoryChangeComparisonMode } from '../../../git/models/repository';
+import type { GitWorktree } from '../../../git/models/worktree';
 import { parseGitRemoteUrl } from '../../../git/parsers/remoteParser';
 import type { RichRemoteProvider } from '../../../git/remotes/richRemoteProvider';
 import type { Subscription } from '../../../subscription';
@@ -45,6 +46,8 @@ interface RepoWithRichRemote {
 
 interface SearchedPullRequestWithRemote extends SearchedPullRequest {
 	repoAndRemote: RepoWithRichRemote;
+	isCurrentBranch?: boolean;
+	isCurrentWorktree?: boolean;
 }
 
 export class FocusWebviewProvider implements WebviewProvider<State> {
@@ -267,6 +270,8 @@ export class FocusWebviewProvider implements WebviewProvider {
 		const serializedPrs = prs.map(pr => ({
 			pullRequest: serializePullRequest(pr.pullRequest),
 			reasons: pr.reasons,
+			isCurrentBranch: pr.isCurrentBranch ?? false,
+			iscurrentWorktree: pr.isCurrentWorktree ?? false,
 		}));
 
 		const issues = await this.getMyIssues(connectedRepos);
@@ -333,15 +338,42 @@ export class FocusWebviewProvider implements WebviewProvider {
 		}
 	}
 
+	private async getWorktreeForPullRequest(
+		searchedPullRequest: SearchedPullRequestWithRemote,
+	): Promise<GitWorktree | undefined> {
+		const worktree = await this.container.git.getWorktree(
+			searchedPullRequest.repoAndRemote.remote.repoPath,
+			w => w.branch === searchedPullRequest.pullRequest.refs!.head.branch,
+		);
+		return worktree;
+	}
+
 	private async getMyPullRequests(richRepos: RepoWithRichRemote[]): Promise<SearchedPullRequestWithRemote[]> {
-		const allPrs = [];
+		const allPrs: SearchedPullRequestWithRemote[] = [];
 		for (const richRepo of richRepos) {
 			const { remote } = richRepo;
 			const prs = await this.container.git.getMyPullRequests(remote);
 			if (prs == null) {
 				continue;
 			}
-			allPrs.push(...prs.filter(pr => pr.reasons.length > 0).map(pr => ({ ...pr, repoAndRemote: richRepo })));
+
+			for (const pr of prs) {
+				if (pr.reasons.length === 0) {
+					continue;
+				}
+				const entry: SearchedPullRequestWithRemote = {
+					...pr,
+					repoAndRemote: richRepo,
+					isCurrentWorktree: false,
+					isCurrentBranch: false,
+				};
+				const worktree = await this.getWorktreeForPullRequest(entry);
+				entry.isCurrentWorktree = worktree?.opened === true;
+				const branch = await richRepo.repo.getBranch();
+				entry.isCurrentBranch = branch?.name === entry.pullRequest.refs!.head.branch;
+
+				allPrs.push(entry);
+			}
 		}
 
 		function getScore(pr: SearchedPullRequest) {

src/plus/webviews/focus/protocol.ts

@@ -22,6 +22,8 @@ export interface IssueResult extends SearchResultBase {
 
 export interface PullRequestResult extends SearchResultBase {
 	pullRequest: PullRequestShape;
+	isCurrentBranch: boolean;
+	iscurrentWorktree: boolean;
 }
 
 export interface RepoWithRichProvider {

src/webviews/apps/plus/focus/components/pull-request-row.ts

@@ -102,14 +102,16 @@ const template = html`
 		<table-cell class="vcenter actions">
 			<a
 				href="#"
-				title="Open Worktree..."
-				aria-label="Open Worktree..."
+				tabindex="${x => (x.iscurrentWorktree ? -1 : null)}"
+				title="${x => (x.iscurrentWorktree ? 'On this Workree' : 'Open Worktree...')}"
+				aria-label="${x => (x.iscurrentWorktree ? 'On this Workree' : 'Open Worktree...')}"
 				@click="${(x, c) => x.onOpenWorktreeClick(c.event)}"
 				><code-icon icon="gl-worktrees-view"></code-icon></a
 			><a
 				href="#"
-				title="Switch to Branch..."
-				aria-label="Switch to Branch..."
+				tabindex="${x => (x.isCurrentBranch ? -1 : null)}"
+				title="${x => (x.isCurrentBranch ? 'On this Branch' : 'Switch to Branch...')}"
+				aria-label="${x => (x.isCurrentBranch ? 'On this Branch' : 'Switch to Branch...')}"
 				@click="${(x, c) => x.onSwitchBranchClick(c.event)}"
 				><code-icon icon="gl-switch"></code-icon
 			></a>
@@ -208,6 +210,11 @@ const styles = css`
 	.actions a:active {
 		background-color: var(--vscode-toolbar-activeBackground);
 	}
+	.actions a[tabindex='-1'] {
+		opacity: 0.5;
+		cursor: default;
+		pointer-events: none;
+	}
 
 	.actions a code-icon {
 		font-size: 1.6rem;
@@ -275,6 +282,12 @@ export class PullRequestRow extends FASTElement {
 	@observable
 	public checks?: boolean;
 
+	@observable
+	public isCurrentBranch = false;
+
+	@observable
+	public iscurrentWorktree = false;
+
 	@volatile
 	get lastUpdatedDate() {
 		return new Date(this.pullRequest!.date);

src/webviews/apps/plus/focus/focus.ts

@@ -154,11 +154,13 @@ export class FocusApp extends App {
 		} else {
 			noneEl.setAttribute('hidden', 'true');
 			loadingEl.setAttribute('hidden', 'true');
-			this.state.pullRequests.forEach(({ pullRequest, reasons }) => {
+			this.state.pullRequests.forEach(({ pullRequest, reasons, isCurrentBranch, iscurrentWorktree }) => {
 				if (this._prFilter == null || this._prFilter === '' || reasons.includes(this._prFilter)) {
 					const rowEl = document.createElement('pull-request-row') as PullRequestRow;
 					rowEl.pullRequest = pullRequest;
 					rowEl.reasons = reasons;
+					rowEl.isCurrentBranch = isCurrentBranch;
+					rowEl.iscurrentWorktree = iscurrentWorktree;
 
 					tableEl.append(rowEl);
 				}