[Init] Initial commit - NetMesh terminal manager

application/app/activeChromeTheme.ts

@@ -0,0 +1,125 @@
+import { fromEditorTabId, isEditorTabId } from "../state/activeTabStore";
+
+import { applyCustomAccentToTerminalTheme, resolveHostTerminalThemeId } from "../../domain/terminalAppearance";
+import type {
+  ResolvedAppearance,
+  TerminalAppearanceHostScope,
+} from "../../domain/terminalAppearanceRuntime";
+import { collectSessionIds } from "../../domain/workspace";
+import type { EditorTabChrome } from "../state/editorTabStore";
+import type { LogView } from "../state/logViewState";
+import type { Host, TerminalSession, TerminalTheme, Workspace } from "../../types";
+import { resolveWorkspaceTargetSessionFromMap } from "./workTabSurface";
+
+export type ResolveActiveChromeThemeInput = {
+  accentMode: "theme" | "custom";
+  activeTabId: string;
+  currentTerminalTheme: TerminalTheme;
+  customAccent: string;
+  editorTabs: readonly EditorTabChrome[];
+  followAppTerminalTheme: boolean;
+  hostById: ReadonlyMap<string, Host>;
+  logViews: readonly LogView[];
+  resolveSessionAppearance?: (hostScope: TerminalAppearanceHostScope) => ResolvedAppearance;
+  sessionById: ReadonlyMap<string, TerminalSession>;
+  themeById: ReadonlyMap<string, TerminalTheme>;
+  workspaceById: ReadonlyMap<string, Workspace>;
+};
+
+export function isActiveChromeThemeResolvable({
+  activeTabId,
+  editorTabs,
+  logViews,
+  sessionById,
+  workspaceById,
+}: Pick<
+  ResolveActiveChromeThemeInput,
+  "activeTabId" | "editorTabs" | "logViews" | "sessionById" | "workspaceById"
+>): boolean {
+  if (activeTabId === "vault" || activeTabId === "sftp") return true;
+  if (isEditorTabId(activeTabId)) {
+    return editorTabs.some((tab) => tab.id === fromEditorTabId(activeTabId));
+  }
+  if (logViews.some((item) => item.id === activeTabId)) return true;
+  if (workspaceById.has(activeTabId)) return true;
+  if (sessionById.has(activeTabId)) return true;
+  return false;
+}
+
+export function resolveActiveChromeTheme({
+  accentMode,
+  activeTabId,
+  currentTerminalTheme,
+  customAccent,
+  editorTabs,
+  followAppTerminalTheme,
+  hostById,
+  logViews,
+  resolveSessionAppearance,
+  sessionById,
+  themeById,
+  workspaceById,
+}: ResolveActiveChromeThemeInput): TerminalTheme | null {
+  if (activeTabId === "vault" || activeTabId === "sftp") return null;
+
+  const resolveHostScope = (hostId: string): TerminalAppearanceHostScope => {
+    const host = hostById.get(hostId) ?? null;
+    return { host, isEphemeral: !host || !hostById.has(host.id) };
+  };
+
+  const resolveHostTheme = (hostId: string): TerminalTheme => {
+    if (followAppTerminalTheme) {
+      return applyCustomAccentToTerminalTheme(currentTerminalTheme, accentMode, customAccent);
+    }
+    if (resolveSessionAppearance) {
+      return resolveSessionAppearance(resolveHostScope(hostId)).theme;
+    }
+    const host = hostById.get(hostId) ?? null;
+    const themeId = resolveHostTerminalThemeId(host, currentTerminalTheme.id);
+    const baseTheme = themeById.get(themeId) ?? currentTerminalTheme;
+    return applyCustomAccentToTerminalTheme(baseTheme, accentMode, customAccent);
+  };
+
+  const resolveSessionTheme = (session: TerminalSession): TerminalTheme => resolveHostTheme(session.hostId);
+
+  if (isEditorTabId(activeTabId)) {
+    const editorTabId = fromEditorTabId(activeTabId);
+    const editorTab = editorTabs.find((tab) => tab.id === editorTabId);
+    if (!editorTab) return null;
+    return resolveHostTheme(editorTab.hostId);
+  }
+
+  const logView = logViews.find((item) => item.id === activeTabId);
+  if (logView) {
+    const explicitThemeId = logView.log.themeId;
+    const base = explicitThemeId ? themeById.get(explicitThemeId) ?? currentTerminalTheme : currentTerminalTheme;
+    return applyCustomAccentToTerminalTheme(base, accentMode, customAccent);
+  }
+
+  const workspace = workspaceById.get(activeTabId);
+  if (workspace) {
+    if (followAppTerminalTheme) {
+      return applyCustomAccentToTerminalTheme(currentTerminalTheme, accentMode, customAccent);
+    }
+
+    if (workspace.viewMode === "focus") {
+      const focusedSession = resolveWorkspaceTargetSessionFromMap(workspace, sessionById);
+      return focusedSession ? resolveSessionTheme(focusedSession) : null;
+    }
+
+    const workspaceSessions = collectSessionIds(workspace.root)
+      .map((id) => sessionById.get(id))
+      .filter(Boolean) as TerminalSession[];
+    if (workspaceSessions.length === 0) return null;
+
+    const firstTheme = resolveSessionTheme(workspaceSessions[0]);
+    const allSame = workspaceSessions.every((session) => resolveSessionTheme(session).id === firstTheme.id);
+    if (allSame) return firstTheme;
+
+    const focusedSession = resolveWorkspaceTargetSessionFromMap(workspace, sessionById);
+    return focusedSession ? resolveSessionTheme(focusedSession) : null;
+  }
+
+  const session = sessionById.get(activeTabId);
+  return session ? resolveSessionTheme(session) : null;
+}