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Reorganized utils files

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This commit is contained in:
mgabdev
2019-07-27 21:49:17 -04:00
parent 7fe0390698
commit dd6129e218
29 changed files with 23 additions and 23 deletions
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46
app/javascript/gabsocial/features/ui/util/fullscreen.js
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// APIs for normalizing fullscreen operations. Note that Edge uses
// the WebKit-prefixed APIs currently (as of Edge 16).
export const isFullscreen = () => document.fullscreenElement ||
document.webkitFullscreenElement ||
document.mozFullScreenElement;
export const exitFullscreen = () => {
if (document.exitFullscreen) {
document.exitFullscreen();
} else if (document.webkitExitFullscreen) {
document.webkitExitFullscreen();
} else if (document.mozCancelFullScreen) {
document.mozCancelFullScreen();
}
};
export const requestFullscreen = el => {
if (el.requestFullscreen) {
el.requestFullscreen();
} else if (el.webkitRequestFullscreen) {
el.webkitRequestFullscreen();
} else if (el.mozRequestFullScreen) {
el.mozRequestFullScreen();
}
};
export const attachFullscreenListener = (listener) => {
if ('onfullscreenchange' in document) {
document.addEventListener('fullscreenchange', listener);
} else if ('onwebkitfullscreenchange' in document) {
document.addEventListener('webkitfullscreenchange', listener);
} else if ('onmozfullscreenchange' in document) {
document.addEventListener('mozfullscreenchange', listener);
}
};
export const detachFullscreenListener = (listener) => {
if ('onfullscreenchange' in document) {
document.removeEventListener('fullscreenchange', listener);
} else if ('onwebkitfullscreenchange' in document) {
document.removeEventListener('webkitfullscreenchange', listener);
} else if ('onmozfullscreenchange' in document) {
document.removeEventListener('mozfullscreenchange', listener);
}
};

21
app/javascript/gabsocial/features/ui/util/get_rect_from_entry.js
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// Get the bounding client rect from an IntersectionObserver entry.
// This is to work around a bug in Chrome: https://crbug.com/737228
let hasBoundingRectBug;
function getRectFromEntry(entry) {
if (typeof hasBoundingRectBug !== 'boolean') {
const boundingRect = entry.target.getBoundingClientRect();
const observerRect = entry.boundingClientRect;
hasBoundingRectBug = boundingRect.height !== observerRect.height ||
boundingRect.top !== observerRect.top ||
boundingRect.width !== observerRect.width ||
boundingRect.bottom !== observerRect.bottom ||
boundingRect.left !== observerRect.left ||
boundingRect.right !== observerRect.right;
}
return hasBoundingRectBug ? entry.target.getBoundingClientRect() : entry.boundingClientRect;
}
export default getRectFromEntry;

29
app/javascript/gabsocial/features/ui/util/schedule_idle_task.js
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// Wrapper to call requestIdleCallback() to schedule low-priority work.
// See https://developer.mozilla.org/en-US/docs/Web/API/Background_Tasks_API
// for a good breakdown of the concepts behind this.
import Queue from 'tiny-queue';
const taskQueue = new Queue();
let runningRequestIdleCallback = false;
function runTasks(deadline) {
while (taskQueue.length && deadline.timeRemaining() > 0) {
taskQueue.shift()();
}
if (taskQueue.length) {
requestIdleCallback(runTasks);
} else {
runningRequestIdleCallback = false;
}
}
function scheduleIdleTask(task) {
taskQueue.push(task);
if (!runningRequestIdleCallback) {
runningRequestIdleCallback = true;
requestIdleCallback(runTasks);
}
}
export default scheduleIdleTask;