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feat(debug): allow using timeout for rafs for throttling debugging

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Pavel Feldman 2020-10-23 16:06:51 -07:00 committed by GitHub
parent 0337928aa3
commit f5fbea94bb
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 17 additions and 13 deletions
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16
src/server/dom.ts
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@ -647,10 +647,10 @@ export class ElementHandle<T extends Node = Node> extends js.JSHandle<T> {
return;
}
if (state === 'stable') {
const rafCount = this._page._delegate.rafCountForStablePosition();
const poll = await this._evaluateHandleInUtility(([injected, node, rafCount]) => {
return injected.waitForDisplayedAtStablePosition(node, rafCount, false /* waitForEnabled */);
}, rafCount);
const rafCount = this._page._delegate.rafCountForStablePosition();
const poll = await this._evaluateHandleInUtility(([injected, node, rafOptions]) => {
return injected.waitForDisplayedAtStablePosition(node, rafOptions, false /* waitForEnabled */);
}, { rafCount, useTimeout: !!process.env.PW_USE_TIMEOUT_FOR_RAF });
const pollHandler = new InjectedScriptPollHandler(progress, poll);
assertDone(throwRetargetableDOMError(await pollHandler.finish()));
return;
@ -694,10 +694,10 @@ export class ElementHandle<T extends Node = Node> extends js.JSHandle<T> {
progress.log(` waiting for element to be visible, enabled and not moving`);
else
progress.log(` waiting for element to be visible and not moving`);
const rafCount = this._page._delegate.rafCountForStablePosition();
const poll = this._evaluateHandleInUtility(([injected, node, { rafCount, waitForEnabled }]) => {
return injected.waitForDisplayedAtStablePosition(node, rafCount, waitForEnabled);
}, { rafCount, waitForEnabled });
const rafCount = this._page._delegate.rafCountForStablePosition();
const poll = this._evaluateHandleInUtility(([injected, node, { rafOptions, waitForEnabled }]) => {
return injected.waitForDisplayedAtStablePosition(node, rafOptions, waitForEnabled);
}, { rafOptions: { rafCount, useTimeout: !!process.env.PW_USE_TIMEOUT_FOR_RAF }, waitForEnabled });
const pollHandler = new InjectedScriptPollHandler(progress, await poll);
const result = await pollHandler.finish();
if (waitForEnabled)

14
src/server/injected/injectedScript.ts
View File

@ -484,13 +484,13 @@ export class InjectedScript {
input.dispatchEvent(new Event('change', { 'bubbles': true }));
}
waitForDisplayedAtStablePosition(node: Node, rafCount: number, waitForEnabled: boolean): InjectedScriptPoll<'error:notconnected' | 'done'> {
waitForDisplayedAtStablePosition(node: Node, rafOptions: { rafCount: number, useTimeout?: boolean }, waitForEnabled: boolean): InjectedScriptPoll<'error:notconnected' | 'done'> {
let lastRect: { x: number, y: number, width: number, height: number } | undefined;
let counter = 0;
let samePositionCounter = 0;
let lastTime = 0;
return this.pollRaf((progress, continuePolling) => {
const predicate = (progress: InjectedScriptProgress, continuePolling: symbol) => {
// First raf happens in the same animation frame as evaluation, so it does not produce
// any client rect difference compared to synchronous call. We skip the synchronous call
// and only force layout during actual rafs as a small optimisation.
@ -505,7 +505,7 @@ export class InjectedScript {
// Drop frames that are shorter than 16ms - WebKit Win bug.
const time = performance.now();
if (rafCount > 1 && time - lastTime < 15)
if (rafOptions.rafCount > 1 && time - lastTime < 15)
return continuePolling;
lastTime = time;
@ -518,7 +518,7 @@ export class InjectedScript {
++samePositionCounter;
else
samePositionCounter = 0;
const isStable = samePositionCounter >= rafCount;
const isStable = samePositionCounter >= rafOptions.rafCount;
const isStableForLogs = isStable || !lastRect;
lastRect = rect;
@ -537,7 +537,11 @@ export class InjectedScript {
else if (isDisabled)
progress.logRepeating(` element is disabled - waiting...`);
return continuePolling;
});
};
if (rafOptions.useTimeout)
return this.pollInterval(16, predicate);
else
return this.pollRaf(predicate);
}
checkHitTargetAt(node: Node, point: { x: number, y: number }): 'error:notconnected' | 'done' | { hitTargetDescription: string } {