[eric] browser: add robust click_by_name and share enumerate/click helpers

This commit is contained in:
ciregenz
2026-06-02 12:43:21 -07:00
parent 69c4546735
commit e911898387
+102 -68
View File
@@ -5,7 +5,7 @@ import { rankAndCapInteractives, type RankItem } from './interactiveRanking';
let initialized = false;
export type BrowserAction = 'screenshot' | 'get_text' | 'navigate' | 'click' | 'type' | 'evaluate' | 'get_elements' | 'scroll' | 'wait' | 'press_key' | 'list_interactives' | 'click_index' | 'batch' | 'detect_webmcp' | 'list_routes' | 'replay_route';
export type BrowserAction = 'screenshot' | 'get_text' | 'navigate' | 'click' | 'type' | 'evaluate' | 'get_elements' | 'scroll' | 'wait' | 'press_key' | 'list_interactives' | 'click_index' | 'batch' | 'detect_webmcp' | 'list_routes' | 'replay_route' | 'click_by_name';
export interface BrowserActivity {
action: BrowserAction;
@@ -49,6 +49,7 @@ const ACTION_LABELS: Record<string, string> = {
press_key: 'Pressing key...',
list_interactives: 'Reading page structure...',
click_index: 'Clicking element...',
click_by_name: 'Clicking element...',
batch: 'Running batch...',
};
@@ -276,18 +277,13 @@ async function frameOffset(
return { dx, dy };
}
async function handleListInteractives(wv: BrowserWebview, params: Record<string, any> = {}): Promise<Record<string, any>> {
// Enumerate interactive elements across the root frame + every attached OOPIF
// child frame. Shared by list_interactives (numbered list) and click_by_name
// (stable re-resolution for replay), so both see the exact same surface.
async function enumerateCandidates(wv: BrowserWebview): Promise<RankItem[]> {
const candidates: RankItem[] = [];
try {
const rootTree = await sendCdp(wv, 'Accessibility.getFullAXTree', {});
candidates.push(...axNodesToCandidates(rootTree?.nodes || []));
} catch (err: any) {
return { error: `getFullAXTree failed: ${err.message || String(err)}` };
}
// Merge cross-origin OOPIF child frames (e.g. the Google Docs share dialog),
// whose nodes never appear in the root tree. A frame that won't answer
// (closed / navigating) is skipped, not fatal.
const rootTree = await sendCdp(wv, 'Accessibility.getFullAXTree', {});
candidates.push(...axNodesToCandidates(rootTree?.nodes || []));
const children = await getChildSessions(wv);
for (const child of children) {
try {
@@ -297,6 +293,60 @@ async function handleListInteractives(wv: BrowserWebview, params: Record<string,
// skip unresponsive frame
}
}
return candidates;
}
// Resolve + click a specific backend node (revalidate, frame-local box model,
// OS-level dispatch in the element's own frame, cosmetic top-level ripple).
// Shared by click_index (cache lookup) and click_by_name (fresh resolution).
async function clickBackendNode(
wv: BrowserWebview, backendNodeId: number, sessionId: string | undefined, label: string,
): Promise<Record<string, any>> {
try {
await sendCdp(wv, 'DOM.resolveNode', { backendNodeId }, sessionId);
} catch (err: any) {
return { error: `${label} is no longer valid (${err.message || 'node not found'}). The page may have changed.` };
}
let boxModel;
try {
boxModel = await sendCdp(wv, 'DOM.getBoxModel', { backendNodeId }, sessionId);
} catch (err: any) {
return { error: `${label} has no box model (likely off-screen or hidden). Try scrolling first.` };
}
const content = boxModel?.model?.content;
if (!Array.isArray(content) || content.length < 8) {
return { error: `${label} has no valid bounding rect.` };
}
const lx = (content[0] + content[4]) / 2;
const ly = (content[1] + content[5]) / 2;
try {
await sendCdp(wv, 'Input.dispatchMouseEvent', { type: 'mousePressed', x: lx, y: ly, button: 'left', clickCount: 1 }, sessionId);
await sendCdp(wv, 'Input.dispatchMouseEvent', { type: 'mouseReleased', x: lx, y: ly, button: 'left', clickCount: 1 }, sessionId);
} catch (err: any) {
return { error: `Click failed: ${err.message || String(err)}` };
}
let rx = lx, ry = ly;
if (sessionId) {
try {
const children = await getChildSessions(wv);
const { dx, dy } = await frameOffset(wv, sessionId, children);
rx = lx + dx; ry = ly + dy;
} catch { /* fall back to frame-local for the ripple */ }
}
return {
text: `Clicked ${label} at (${Math.round(rx)}, ${Math.round(ry)})`,
clickX: rx / wv.clientWidth * 100,
clickY: ry / wv.clientHeight * 100,
};
}
async function handleListInteractives(wv: BrowserWebview, params: Record<string, any> = {}): Promise<Record<string, any>> {
let candidates: RankItem[];
try {
candidates = await enumerateCandidates(wv);
} catch (err: any) {
return { error: `getFullAXTree failed: ${err.message || String(err)}` };
}
// Dedupe twins, rank what a human acts on first (and the current goal
// highest), cap the long tail.
@@ -311,9 +361,11 @@ async function handleListInteractives(wv: BrowserWebview, params: Record<string,
}));
// Cache in main-process so click_index can resolve across separate WS commands.
const indexMap: Record<number, { backendNodeId: number; sessionId?: string }> = {};
// role+name ride along so click_index can report WHAT it clicked (the agent
// loop records that as a stable, replayable click-by-name step).
const indexMap: Record<number, { backendNodeId: number; sessionId?: string; role?: string; name?: string }> = {};
for (const el of interactives) {
indexMap[el.index] = { backendNodeId: el.backendNodeId, sessionId: el.sessionId };
indexMap[el.index] = { backendNodeId: el.backendNodeId, sessionId: el.sessionId, role: el.role, name: el.name };
}
try {
const cacheBridge = (window as any).openswarm?.cdpCacheSet;
@@ -350,6 +402,8 @@ async function handleClickIndex(wv: BrowserWebview, params: Record<string, any>)
let backendNodeId: number | undefined;
let sessionId: string | undefined;
let role: string | undefined;
let name: string | undefined;
try {
const cacheBridge = (window as any).openswarm?.cdpCacheGet;
if (cacheBridge) {
@@ -360,6 +414,7 @@ async function handleClickIndex(wv: BrowserWebview, params: Record<string, any>)
} else if (entry && typeof entry === 'object' && entry.backendNodeId != null) {
backendNodeId = Number(entry.backendNodeId);
sessionId = entry.sessionId || undefined;
role = entry.role; name = entry.name;
}
}
} catch {
@@ -372,64 +427,37 @@ async function handleClickIndex(wv: BrowserWebview, params: Record<string, any>)
};
}
// Revalidate in the element's own frame: fails fast if the page mutated and
// the node is gone (vs. clicking the wrong element).
const result = await clickBackendNode(wv, backendNodeId, sessionId, `index ${idx}`);
// Surface what was clicked so the agent loop can record a stable,
// replayable click-by-name step (indices are ephemeral; names aren't).
if (!result.error) {
result.clickedRole = role || '';
result.clickedName = name || '';
}
return result;
}
// Robust click for REPLAY: re-resolve the target fresh by (role, name) instead
// of a stale index, so a recorded skill survives index shifts between runs.
async function handleClickByName(wv: BrowserWebview, params: Record<string, any>): Promise<Record<string, any>> {
const wantName = String(params.name || '').trim();
const wantRole = String(params.role || '').trim();
if (!wantName && !wantRole) return { error: 'click_by_name needs a name and/or role' };
let candidates: RankItem[];
try {
await sendCdp(wv, 'DOM.resolveNode', { backendNodeId }, sessionId);
candidates = await enumerateCandidates(wv);
} catch (err: any) {
return {
error: `Index ${idx} is no longer valid (${err.message || 'node not found'}). The page may have changed. Call BrowserListInteractives again.`,
};
return { error: `enumerate failed: ${err.message || String(err)}` };
}
// Box model in the element's OWN frame -> frame-local center.
let boxModel;
try {
boxModel = await sendCdp(wv, 'DOM.getBoxModel', { backendNodeId }, sessionId);
} catch (err: any) {
return {
error: `Index ${idx} has no box model (likely off-screen or hidden). Try scrolling first or call BrowserListInteractives again.`,
};
const norm = (s: string) => s.trim().toLowerCase();
// Exact (role,name) first, then name-only, so we click the most specific match.
const match =
candidates.find((c) => (!wantRole || norm(c.role) === norm(wantRole)) && norm(c.name) === norm(wantName)) ||
candidates.find((c) => norm(c.name) === norm(wantName));
if (!match) {
return { error: `No element matching role="${wantRole}" name="${wantName}" on this page.` };
}
const content = boxModel?.model?.content;
if (!Array.isArray(content) || content.length < 8) {
return { error: `Index ${idx} has no valid bounding rect.` };
}
const lx = (content[0] + content[4]) / 2;
const ly = (content[1] + content[5]) / 2;
// Dispatch the OS-level click in the element's OWN frame (sessionId routes
// into the OOPIF). This is compositor-independent, so it lands even when the
// card is offscreen, and still passes the isTrusted check on hostile sites.
try {
await sendCdp(wv, 'Input.dispatchMouseEvent', {
type: 'mousePressed', x: lx, y: ly, button: 'left', clickCount: 1,
}, sessionId);
await sendCdp(wv, 'Input.dispatchMouseEvent', {
type: 'mouseReleased', x: lx, y: ly, button: 'left', clickCount: 1,
}, sessionId);
} catch (err: any) {
return { error: `Click failed: ${err.message || String(err)}` };
}
// Cosmetic ripple: place it in top-level coords. Best-effort for OOPIF.
let rx = lx, ry = ly;
if (sessionId) {
try {
const children = await getChildSessions(wv);
const { dx, dy } = await frameOffset(wv, sessionId, children);
rx = lx + dx;
ry = ly + dy;
} catch {
// fall back to frame-local coords for the ripple
}
}
return {
text: `Clicked index ${idx} at (${Math.round(rx)}, ${Math.round(ry)})`,
clickX: rx / wv.clientWidth * 100,
clickY: ry / wv.clientHeight * 100,
};
return clickBackendNode(wv, match.backendNodeId, match.sessionId, `${match.role} "${match.name}"`);
}
// Sequential sub-actions; aborts mid-batch if URL changes (indices/selectors go stale on navigation).
@@ -864,6 +892,12 @@ async function handleBrowserCommand(data: Record<string, any>) {
case 'list_routes':
result = await handleListRoutes(wv);
break;
case 'click_by_name':
result = await handleClickByName(wv, params);
if (result.clickX != null && result.clickY != null) {
setActivity(browser_id, { action: 'click_by_name', detail, coords: { xPercent: result.clickX, yPercent: result.clickY } });
}
break;
case 'replay_route':
result = await handleReplayRoute(wv, params);
break;