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Defer rendering for inactive tabs in open mct tabbed view (#7149)
* simple prototype * add a few examples * revert to original * only check first element * only print when we're firing * need to return status * ignore polling logic if not visible * convert to es6 classes * add private variables * remove debug code * revert on this branch webgl changes * fix draw loader import * do not use v-model for search component * remove flakey unit tests and add e2e tests for same behavior * remove fdescribe * add test word * add simple functional test for tabs * add performance test for tabs * make tab selection more explict * better describe expects * lint * switch back to fixed time * fix perf test for webpacked version * lint * relax condition * relax condition * resolve PR comments * address PR review comments * typo on role vs locator
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"blockquotes", | ||
"Blockquote", | ||
"Blockquotes", | ||
"oger", | ||
"lcovonly", | ||
"gcov" | ||
], | ||
|
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/***************************************************************************** | ||
* Open MCT, Copyright (c) 2014-2023, United States Government | ||
* as represented by the Administrator of the National Aeronautics and Space | ||
* Administration. All rights reserved. | ||
* | ||
* Open MCT is licensed under the Apache License, Version 2.0 (the | ||
* "License"); you may not use this file except in compliance with the License. | ||
* You may obtain a copy of the License at | ||
* http://www.apache.org/licenses/LICENSE-2.0. | ||
* | ||
* Unless required by applicable law or agreed to in writing, software | ||
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT | ||
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the | ||
* License for the specific language governing permissions and limitations | ||
* under the License. | ||
* | ||
* Open MCT includes source code licensed under additional open source | ||
* licenses. See the Open Source Licenses file (LICENSES.md) included with | ||
* this source code distribution or the Licensing information page available | ||
* at runtime from the About dialog for additional information. | ||
*****************************************************************************/ | ||
|
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const { createDomainObjectWithDefaults } = require('../../../../appActions'); | ||
const { test, expect } = require('../../../../pluginFixtures'); | ||
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test.describe('Tabs View', () => { | ||
test('Renders tabbed elements', async ({ page }) => { | ||
await page.goto('./', { waitUntil: 'domcontentloaded' }); | ||
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const tabsView = await createDomainObjectWithDefaults(page, { | ||
type: 'Tabs View' | ||
}); | ||
const table = await createDomainObjectWithDefaults(page, { | ||
type: 'Telemetry Table', | ||
parent: tabsView.uuid | ||
}); | ||
await createDomainObjectWithDefaults(page, { | ||
type: 'Event Message Generator', | ||
parent: table.uuid | ||
}); | ||
const notebook = await createDomainObjectWithDefaults(page, { | ||
type: 'Notebook', | ||
parent: tabsView.uuid | ||
}); | ||
const sineWaveGenerator = await createDomainObjectWithDefaults(page, { | ||
type: 'Sine Wave Generator', | ||
parent: tabsView.uuid | ||
}); | ||
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page.goto(tabsView.url); | ||
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// select first tab | ||
await page.getByLabel(`${table.name} tab`).click(); | ||
// ensure table header visible | ||
await expect(page.getByRole('searchbox', { name: 'message filter input' })).toBeVisible(); | ||
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// select second tab | ||
await page.getByLabel(`${notebook.name} tab`).click(); | ||
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// ensure notebook visible | ||
await expect(page.locator('.c-notebook__drag-area')).toBeVisible(); | ||
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// select third tab | ||
await page.getByLabel(`${sineWaveGenerator.name} tab`).click(); | ||
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// expect sine wave generator visible | ||
expect(await page.locator('.c-plot').isVisible()).toBe(true); | ||
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// now try to select the first tab again | ||
await page.getByLabel(`${table.name} tab`).click(); | ||
// ensure table header visible | ||
await expect(page.getByRole('searchbox', { name: 'message filter input' })).toBeVisible(); | ||
}); | ||
}); |
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/***************************************************************************** | ||
* Open MCT, Copyright (c) 2014-2023, United States Government | ||
* as represented by the Administrator of the National Aeronautics and Space | ||
* Administration. All rights reserved. | ||
* | ||
* Open MCT is licensed under the Apache License, Version 2.0 (the | ||
* "License"); you may not use this file except in compliance with the License. | ||
* You may obtain a copy of the License at | ||
* http://www.apache.org/licenses/LICENSE-2.0. | ||
* | ||
* Unless required by applicable law or agreed to in writing, software | ||
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT | ||
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the | ||
* License for the specific language governing permissions and limitations | ||
* under the License. | ||
* | ||
* Open MCT includes source code licensed under additional open source | ||
* licenses. See the Open Source Licenses file (LICENSES.md) included with | ||
* this source code distribution or the Licensing information page available | ||
* at runtime from the About dialog for additional information. | ||
*****************************************************************************/ | ||
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const { createDomainObjectWithDefaults, waitForPlotsToRender } = require('../../appActions'); | ||
const { test, expect } = require('../../pluginFixtures'); | ||
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test.describe('Tabs View', () => { | ||
test('Renders tabbed elements nicely', async ({ page }) => { | ||
// Code to hook into the requestAnimationFrame function and log each call | ||
let animationCalls = []; | ||
await page.exposeFunction('logCall', (callCount) => { | ||
animationCalls.push(callCount); | ||
}); | ||
await page.addInitScript(() => { | ||
const oldRequestAnimationFrame = window.requestAnimationFrame; | ||
let callCount = 0; | ||
window.requestAnimationFrame = function (callback) { | ||
// eslint-disable-next-line no-undef | ||
logCall(callCount++); | ||
return oldRequestAnimationFrame(callback); | ||
}; | ||
}); | ||
await page.goto('./', { waitUntil: 'domcontentloaded' }); | ||
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const tabsView = await createDomainObjectWithDefaults(page, { | ||
type: 'Tabs View' | ||
}); | ||
const table = await createDomainObjectWithDefaults(page, { | ||
type: 'Telemetry Table', | ||
parent: tabsView.uuid | ||
}); | ||
await createDomainObjectWithDefaults(page, { | ||
type: 'Event Message Generator', | ||
parent: table.uuid | ||
}); | ||
const notebook = await createDomainObjectWithDefaults(page, { | ||
type: 'Notebook', | ||
parent: tabsView.uuid | ||
}); | ||
const sineWaveGenerator = await createDomainObjectWithDefaults(page, { | ||
type: 'Sine Wave Generator', | ||
parent: tabsView.uuid | ||
}); | ||
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page.goto(tabsView.url); | ||
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// select first tab | ||
await page.getByLabel(`${table.name} tab`).click(); | ||
// ensure table header visible | ||
await expect(page.getByRole('searchbox', { name: 'message filter input' })).toBeVisible(); | ||
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// select second tab | ||
await page.getByLabel(`${notebook.name} tab`).click(); | ||
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// expect notebook visible | ||
await expect(page.locator('.c-notebook__drag-area')).toBeVisible(); | ||
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// select third tab | ||
await page.getByLabel(`${sineWaveGenerator.name} tab`).click(); | ||
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// ensure sine wave generator visible | ||
expect(await page.locator('.c-plot').isVisible()).toBe(true); | ||
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// now select notebook and clear animation calls | ||
await page.getByLabel(`${notebook.name} tab`).click(); | ||
animationCalls = []; | ||
// expect notebook visible | ||
await expect(page.locator('.c-notebook__drag-area')).toBeVisible(); | ||
const notebookAnimationCalls = animationCalls.length; | ||
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// select sine wave generator and clear animation calls | ||
animationCalls = []; | ||
await page.getByLabel(`${sineWaveGenerator.name} tab`).click(); | ||
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// ensure sine wave generator visible | ||
await waitForPlotsToRender(page); | ||
// we should be calling animation frames | ||
const sineWaveAnimationCalls = animationCalls.length; | ||
expect(sineWaveAnimationCalls).toBeGreaterThanOrEqual(notebookAnimationCalls); | ||
}); | ||
}); |
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/***************************************************************************** | ||
* Open MCT, Copyright (c) 2014-2023, United States Government | ||
* as represented by the Administrator of the National Aeronautics and Space | ||
* Administration. All rights reserved. | ||
* | ||
* Open MCT is licensed under the Apache License, Version 2.0 (the | ||
* "License"); you may not use this file except in compliance with the License. | ||
* You may obtain a copy of the License at | ||
* http://www.apache.org/licenses/LICENSE-2.0. | ||
* | ||
* Unless required by applicable law or agreed to in writing, software | ||
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT | ||
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the | ||
* License for the specific language governing permissions and limitations | ||
* under the License. | ||
* | ||
* Open MCT includes source code licensed under additional open source | ||
* licenses. See the Open Source Licenses file (LICENSES.md) included with | ||
* this source code distribution or the Licensing information page available | ||
* at runtime from the About dialog for additional information. | ||
*****************************************************************************/ | ||
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/** | ||
* Optimizes `requestAnimationFrame` calls to only execute when the element is visible in the viewport. | ||
*/ | ||
export default class NicelyCalled { | ||
#element; | ||
#isIntersecting; | ||
#observer; | ||
#lastUnfiredFunc; | ||
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/** | ||
* Constructs a NicelyCalled instance to manage visibility-based requestAnimationFrame calls. | ||
* | ||
* @param {HTMLElement} element - The DOM element to observe for visibility changes. | ||
* @throws {Error} If element is not provided. | ||
*/ | ||
constructor(element) { | ||
if (!element) { | ||
throw new Error(`Nice visibility must be created with an element`); | ||
} | ||
this.#element = element; | ||
this.#isIntersecting = true; | ||
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this.#observer = new IntersectionObserver(this.#observerCallback); | ||
this.#observer.observe(this.#element); | ||
this.#lastUnfiredFunc = null; | ||
} | ||
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#observerCallback = ([entry]) => { | ||
if (entry.target === this.#element) { | ||
this.#isIntersecting = entry.isIntersecting; | ||
if (this.#isIntersecting && this.#lastUnfiredFunc) { | ||
window.requestAnimationFrame(this.#lastUnfiredFunc); | ||
this.#lastUnfiredFunc = null; | ||
} | ||
} | ||
}; | ||
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/** | ||
* Executes a function within requestAnimationFrame if the observed element is visible. | ||
* If the element is not visible, the function is stored and called when the element becomes visible. | ||
* Note that if called multiple times while not visible, only the last execution is stored and executed. | ||
* | ||
* @param {Function} func - The function to execute. | ||
* @returns {boolean} True if the function was executed immediately, false otherwise. | ||
*/ | ||
execute(func) { | ||
if (this.#isIntersecting) { | ||
window.requestAnimationFrame(func); | ||
return true; | ||
} else { | ||
this.#lastUnfiredFunc = func; | ||
return false; | ||
} | ||
} | ||
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/** | ||
* Stops observing the element for visibility changes and cleans up resources to prevent memory leaks. | ||
*/ | ||
destroy() { | ||
this.#observer.unobserve(this.#element); | ||
this.#element = null; | ||
this.#isIntersecting = null; | ||
this.#observer = null; | ||
this.#lastUnfiredFunc = null; | ||
} | ||
} |
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