mirror of
https://github.com/mdn/webextensions-examples.git
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82217a05bc
* Replace var with let in examples store-collected-images/webextension-plain/deps/uuidv4.js * Reverted third–party code
71 lines
2.0 KiB
JavaScript
71 lines
2.0 KiB
JavaScript
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let latestDownloadId;
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/*
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Callback from getFileIcon.
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Initialize the displayed icon.
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*/
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function updateIconUrl(iconUrl) {
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let downloadIcon = document.querySelector("#icon");
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downloadIcon.setAttribute("src", iconUrl);
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}
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function onError(error) {
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console.log(`Error: ${error}`);
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}
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/*
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If there was a download item,
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- remember its ID as latestDownloadId
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- initialize the displayed icon using getFileIcon
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- initialize the displayed URL
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If there wasn't a download item, disable the "open" and "remove" buttons.
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*/
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function initializeLatestDownload(downloadItems) {
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let downloadUrl = document.querySelector("#url");
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if (downloadItems.length > 0) {
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latestDownloadId = downloadItems[0].id;
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let gettingIconUrl = browser.downloads.getFileIcon(latestDownloadId);
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gettingIconUrl.then(updateIconUrl, onError);
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downloadUrl.textContent = downloadItems[0].url;
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document.querySelector("#open").classList.remove("disabled");
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document.querySelector("#remove").classList.remove("disabled");
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} else {
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downloadUrl.textContent = "No downloaded items found."
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document.querySelector("#open").classList.add("disabled");
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document.querySelector("#remove").classList.add("disabled");
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}
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}
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/*
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Search for the most recent download, and pass it to initializeLatestDownload()
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*/
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let searching = browser.downloads.search({
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limit: 1,
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orderBy: ["-startTime"]
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});
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searching.then(initializeLatestDownload);
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/*
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Open the item using the associated application.
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*/
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function openItem() {
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if (!document.querySelector("#open").classList.contains("disabled")) {
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browser.downloads.open(latestDownloadId);
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}
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}
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/*
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Remove item from disk (removeFile) and from the download history (erase)
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*/
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function removeItem() {
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if (!document.querySelector("#remove").classList.contains("disabled")) {
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browser.downloads.removeFile(latestDownloadId);
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browser.downloads.erase({id: latestDownloadId});
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window.close();
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}
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}
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document.querySelector("#open").addEventListener("click", openItem);
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document.querySelector("#remove").addEventListener("click", removeItem);
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