fix(scrollIntoView): make it work for nested frames case

src/chromium/FrameManager.ts

@@ -445,10 +445,13 @@ export class FrameManager implements PageDelegate {
   }
 
   async getContentFrame(handle: dom.ElementHandle): Promise<frames.Frame | null> {
+    const doc = await handle.evaluateHandle(node => node.ownerDocument ? node.ownerDocument.documentElement : null);
+    if (!doc)
+      return null;
     const nodeInfo = await this._client.send('DOM.describeNode', {
-      objectId: toRemoteObject(handle).objectId
+      objectId: toRemoteObject(doc).objectId
     });
-    if (typeof nodeInfo.node.frameId !== 'string')
+    if (!nodeInfo || typeof nodeInfo.node.frameId !== 'string')
       return null;
     return this._page._frameManager.frame(nodeInfo.node.frameId);
   }
@@ -510,6 +513,16 @@ export class FrameManager implements PageDelegate {
       throw new Error('Unable to adopt element handle from a different document');
     return to._createHandle(result.object).asElement()!;
   }
+
+  async getFrameOwner(frame: frames.Frame): Promise<dom.ElementHandle | null> {
+    if (!frame.parentFrame())
+      return null;
+    const result = await this._client.send('DOM.getFrameOwner', { frameId: frame._id });
+    if (!result)
+      return null;
+    const utilityContext = await frame.parentFrame()._utilityContext();
+    return this.adoptBackendNodeId(result.backendNodeId, utilityContext);
+  }
 }
 
 function toRemoteObject(handle: dom.ElementHandle): Protocol.Runtime.RemoteObject {

src/dom.ts

@@ -152,6 +152,18 @@ export class ElementHandle<T extends Node = Node> extends js.JSHandle<T> {
   }
 
   async _scrollIntoViewIfNeeded() {
+    const path: frames.Frame[] = [];
+    for (let frame = await this.contentFrame(); frame; frame = frame.parentFrame())
+      path.push(frame);
+    for (const frame of path.reverse()) {
+      const owner = await frame._page._delegate.getFrameOwner(frame);
+      if (owner)
+        await owner._scrollIntoViewIfNeededWithinFrame();
+    }
+    this._scrollIntoViewIfNeededWithinFrame();
+  }
+
+  async _scrollIntoViewIfNeededWithinFrame() {
     const error = await this.evaluate(async (node: Node, pageJavascriptEnabled: boolean) => {
       if (!node.isConnected)
         return 'Node is detached from document';

src/firefox/FrameManager.ts

@@ -406,6 +406,10 @@ export class FrameManager implements PageDelegate {
     assert(false, 'Multiple isolated worlds are not implemented');
     return handle;
   }
+
+  async getFrameOwner(frame: frames.Frame): Promise<dom.ElementHandle | null> {
+    throw new Error('Not implemented');
+  }
 }
 
 export function normalizeWaitUntil(waitUntil: frames.LifecycleEvent | frames.LifecycleEvent[]): frames.LifecycleEvent[] {

src/page.ts

@@ -62,6 +62,7 @@ export interface PageDelegate {
   isElementHandle(remoteObject: any): boolean;
   adoptElementHandle<T extends Node>(handle: dom.ElementHandle<T>, to: dom.FrameExecutionContext): Promise<dom.ElementHandle<T>>;
   getContentFrame(handle: dom.ElementHandle): Promise<frames.Frame | null>;
+  getFrameOwner(frame: frames.Frame): Promise<dom.ElementHandle | null>;
   getContentQuads(handle: dom.ElementHandle): Promise<types.Quad[] | null>;
   layoutViewport(): Promise<{ width: number, height: number }>;
   setInputFiles(handle: dom.ElementHandle, files: input.FilePayload[]): Promise<void>;

src/webkit/FrameManager.ts

@@ -487,6 +487,10 @@ export class FrameManager implements PageDelegate {
     });
     return to._createHandle(result.object) as dom.ElementHandle<T>;
   }
+
+  async getFrameOwner(frame: frames.Frame): Promise<dom.ElementHandle | null> {
+    throw new Error('Not implemented');
+  }
 }
 
 function toRemoteObject(handle: dom.ElementHandle): Protocol.Runtime.RemoteObject {

test/click.spec.js

@@ -261,8 +261,7 @@ module.exports.addTests = function({testRunner, expect, playwright, FFOX, CHROME
       await button.click();
       expect(await frame.evaluate(() => window.result)).toBe('Clicked');
     });
-    // @see https://github.com/GoogleChrome/puppeteer/issues/4110
-    xit('should click the button with fixed position inside an iframe', async({page, server}) => {
+    it.skip(WEBKIT || FFOX)('should click the button with fixed position inside an iframe', async({page, server}) => {
       await page.goto(server.EMPTY_PAGE);
       await page.setViewport({width: 500, height: 500});
       await page.setContent('<div style="width:100px;height:2000px">spacer</div>');

test/utils.js

@@ -105,10 +105,6 @@ const utils = module.exports = {
       frame.src = url;
       frame.id = frameId;
       document.body.appendChild(frame);
-      // TODO(einbinder) do this right
-      // Access a scriptable global object to ensure JS context is
-      // initialized. WebKit will create it lazily only as need be.
-      frame.contentWindow;
       await new Promise(x => frame.onload = x);
       return frame;
     }