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Added scroll feature #1

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Added scroll feature #1

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44 changes: 42 additions & 2 deletions scripts/background.js
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Original file line number Diff line number Diff line change
Expand Up @@ -26,10 +26,13 @@ function connect() {


const delay = ms => new Promise(resolve => setTimeout(resolve, ms));

var scrollInterval;

const currentTabs = {};

function scrollToBottom() { scrollInterval = setInterval(() => { window.scrollBy(0, 50); }, 3000); }
function stopScroll() { clearInterval(scrollInterval); }

chrome.runtime.onMessage.addListener(function (req, sender, sendResponse) {
//sendResponse({ message: "Background has received that message ?" });
if (req.cmd == "startRefresh") {
Expand Down Expand Up @@ -109,9 +112,20 @@ async function refreshTab(tabId) {

const tab = await chrome.tabs.get(tabId);

// reset the scroll to the top of the page
function scrollToTop() { window.scrollTo(0, 0); }

// only refresh if the tab is steady / not loading
if (tab.status == 'complete') {
await chrome.tabs.reload(tabId);
await chrome.tabs.reload(tabId, { bypassCache: true }, function () {

// go to top of the page
chrome.scripting
.executeScript({
target: { tabId, allFrames: true },
func: scrollToTop
})
});
}

(async () => { // this is a fallback in case the callback isn't called (this can be the case if the refresh was manually canceled by a user)
Expand Down Expand Up @@ -179,6 +193,19 @@ function stopRefresh(tabId) {
interval: currentTabs[tabId].interval, // keep the interval in case the user clicks into the extension again, so they can see the time they set
}

// stops page from scroll down
chrome.scripting
.executeScript({
target: {
tabId: tabId,
allFrames: true,
},
func: stopScroll
})
.then(() => {
console.log('stopped scrolling process...');
});

return;
}

Expand All @@ -188,5 +215,18 @@ chrome.tabs.onUpdated.addListener(function (tabId, changeInfo, tab) {

if (changeInfo.status == "complete" && currentTabs[tabId].refreshCallback) {
currentTabs[tabId].refreshCallback();

// scroll down
chrome.scripting
.executeScript({
target: {
tabId: tabId,
allFrames: true,
},
func: scrollToBottom
})
.then(() => {
console.log('started scrolling process...');
});
}
});