[AI Assistance] Add better integration with Workspace

Bug: 393268664
Change-Id: I1a1acc1e1b2db365cc94c8f23cebb0913edfd259
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/6280747
Reviewed-by: Ergün Erdoğmuş <ergunsh@chromium.org>
Commit-Queue: Alex Rudenko <alexrudenko@chromium.org>

front_end/panels/ai_assistance/AiAssistancePanel.test.ts

@@ -18,6 +18,7 @@ import {createTarget, registerNoopActions, updateHostConfig} from '../../testing
 import {expectCall} from '../../testing/ExpectStubCall.js';
 import {describeWithMockConnection} from '../../testing/MockConnection.js';
 import {createNetworkPanelForMockConnection} from '../../testing/NetworkHelpers.js';
+import {createFileSystemUISourceCode} from '../../testing/UISourceCodeHelpers.js';
 import * as UI from '../../ui/legacy/legacy.js';
 import * as Elements from '../elements/elements.js';
 import * as Network from '../network/network.js';
@@ -1116,4 +1117,62 @@ describeWithMockConnection('AI Assistance Panel', () => {
       ]);
     });
   });
+
+  describe('workspace', () => {
+    function createTestFilesystem(fileSystemPath: string) {
+      const {project, uiSourceCode} = createFileSystemUISourceCode({
+        url: Platform.DevToolsPath.urlString`file:///example.html`,
+        mimeType: 'text/html',
+        content: 'content',
+        fileSystemPath,
+      });
+      return {project, uiSourceCode};
+    }
+
+    it('does not report a workspace project if disabled', async () => {
+      createTestFilesystem('file://test');
+      updateHostConfig({
+        devToolsFreestyler: {
+          enabled: true,
+          patching: false,
+        },
+      });
+      const {
+        initialViewInput,
+      } = await createAiAssistancePanel();
+      assert.strictEqual(initialViewInput.projectName, '');
+    });
+
+    it('reports a current workspace project', async () => {
+      createTestFilesystem('file://test');
+      updateHostConfig({
+        devToolsFreestyler: {
+          enabled: true,
+          patching: true,
+        },
+      });
+      const {
+        initialViewInput,
+      } = await createAiAssistancePanel();
+      assert.strictEqual(initialViewInput.projectName, 'test');
+    });
+
+    it('reports an updated project', async () => {
+      const {project} = createTestFilesystem('file://test');
+      updateHostConfig({
+        devToolsFreestyler: {
+          enabled: true,
+          patching: true,
+        },
+      });
+      const {initialViewInput, expectViewUpdate} = await createAiAssistancePanel();
+      assert.strictEqual(initialViewInput.projectName, 'test');
+
+      const updatedViewInput = await expectViewUpdate(() => {
+        Workspace.Workspace.WorkspaceImpl.instance().removeProject(project);
+        createTestFilesystem('file://test2');
+      });
+      assert.strictEqual(updatedViewInput.projectName, 'test2');
+    });
+  });
 });

front_end/panels/ai_assistance/AiAssistancePanel.ts

@@ -322,6 +322,7 @@ export class AiAssistancePanel extends UI.Panel.Panel {
   #patchSuggestion?: string;
   #patchSuggestionLoading?: boolean;
   #imageInput: string = '';
+  #workspace = Workspace.Workspace.WorkspaceImpl.instance();
 
   constructor(private view: View = defaultView, {aidaClient, aidaAvailability, syncInfo}: {
     aidaClient: Host.AidaClient.AidaClient,
@@ -345,6 +346,10 @@ export class AiAssistancePanel extends UI.Panel.Panel {
       return new Conversation(item.type, item.history, item.id, true);
     });
 
+    this.#selectProject();
+  }
+
+  #selectProject(): void {
     if (isAiAssistancePatchingEnabled()) {
       // TODO: this is temporary code that should be replaced with workflow selection flow.
       // For now it picks the first Workspace project that is not Snippets.
@@ -356,11 +361,16 @@ export class AiAssistancePanel extends UI.Panel.Panel {
           continue;
         }
         this.#project = project;
+        this.requestUpdate();
         break;
       }
     }
   }
 
+  #onProjectAddedOrRemoved(): void {
+    this.#selectProject();
+  }
+
   #getChatUiState(): ChatViewState {
     const blockedByAge = Root.Runtime.hostConfig.aidaAvailability?.blockedByAge === true;
     return (this.#aiAssistanceEnabledSetting?.getIfNotDisabled() && !blockedByAge) ? ChatViewState.CHAT_VIEW :
@@ -536,6 +546,11 @@ export class AiAssistancePanel extends UI.Panel.Panel {
     SDK.TargetManager.TargetManager.instance().addModelListener(
         SDK.DOMModel.DOMModel, SDK.DOMModel.Events.AttrRemoved, this.#handleDOMNodeAttrChange, this);
     Host.userMetrics.actionTaken(Host.UserMetrics.Action.AiAssistancePanelOpened);
+
+    if (isAiAssistancePatchingEnabled()) {
+      this.#workspace.addEventListener(Workspace.Workspace.Events.ProjectAdded, this.#onProjectAddedOrRemoved, this);
+      this.#workspace.addEventListener(Workspace.Workspace.Events.ProjectRemoved, this.#onProjectAddedOrRemoved, this);
+    }
   }
 
   override willHide(): void {
@@ -572,6 +587,12 @@ export class AiAssistancePanel extends UI.Panel.Panel {
         this.#handleDOMNodeAttrChange,
         this,
     );
+
+    if (isAiAssistancePatchingEnabled()) {
+      this.#workspace.removeEventListener(Workspace.Workspace.Events.ProjectAdded, this.#onProjectAddedOrRemoved, this);
+      this.#workspace.removeEventListener(
+          Workspace.Workspace.Events.ProjectRemoved, this.#onProjectAddedOrRemoved, this);
+    }
   }
 
   #handleAidaAvailabilityChange = async(): Promise<void> => {
@@ -1001,6 +1022,9 @@ export class AiAssistancePanel extends UI.Panel.Panel {
   }
 
   async #onApplyToWorkspace(): Promise<void> {
+    if (!isAiAssistancePatchingEnabled()) {
+      return;
+    }
     const changeSummary = this.#getChangeSummary();
     if (!changeSummary) {
       throw new Error('Change summary does not exist');