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-rw-r--r--ext/bg/js/settings.js81
1 files changed, 81 insertions, 0 deletions
diff --git a/ext/bg/js/settings.js b/ext/bg/js/settings.js
index 4bf7181f..579af085 100644
--- a/ext/bg/js/settings.js
+++ b/ext/bg/js/settings.js
@@ -203,6 +203,8 @@ async function onReady() {
}
formUpdateVisibility(options);
+
+ storageInfoInitialize();
}
$(document).ready(utilAsync(onReady));
@@ -520,3 +522,82 @@ async function onAnkiFieldTemplatesReset(e) {
ankiErrorShow(e);
}
}
+
+
+/*
+ * Storage
+ */
+
+async function getBrowser() {
+ if (typeof chrome !== "undefined") {
+ if (typeof browser !== "undefined") {
+ try {
+ const info = await browser.runtime.getBrowserInfo();
+ if (info.name === "Fennec") {
+ return "firefox-mobile";
+ }
+ } catch (e) { }
+ return "firefox";
+ } else {
+ return "chrome";
+ }
+ } else {
+ return "edge";
+ }
+}
+
+function storageBytesToLabeledString(size) {
+ const base = 1000;
+ const labels = ["bytes", "KB", "MB", "GB"];
+ let labelIndex = 0;
+ while (size >= base) {
+ size /= base;
+ ++labelIndex;
+ }
+ const label = size.toFixed(1).replace(/\.0+$/, "");
+ return `${label}${labels[labelIndex]}`;
+}
+
+async function storageEstimate() {
+ try {
+ return await navigator.storage.estimate();
+ } catch (e) { }
+ return null;
+}
+
+async function storageInfoInitialize() {
+ const browser = await getBrowser();
+ const container = document.querySelector("#storage-info");
+ container.setAttribute("data-browser", browser);
+
+ await storageShowInfo();
+
+ container.classList.remove("storage-hidden");
+
+ document.querySelector("#storage-refresh").addEventListener('click', () => storageShowInfo(), false);
+}
+
+async function storageShowInfo() {
+ storageSpinnerShow(true);
+
+ const estimate = await storageEstimate();
+ const valid = (estimate !== null);
+
+ if (valid) {
+ document.querySelector("#storage-usage").textContent = storageBytesToLabeledString(estimate.usage);
+ document.querySelector("#storage-quota").textContent = storageBytesToLabeledString(estimate.quota);
+ }
+ document.querySelector("#storage-use").classList.toggle("storage-hidden", !valid);
+ document.querySelector("#storage-error").classList.toggle("storage-hidden", valid);
+
+ storageSpinnerShow(false);
+}
+
+function storageSpinnerShow(show) {
+ const spinner = $('#storage-spinner');
+ if (show) {
+ spinner.show();
+ } else {
+ spinner.hide();
+ }
+}