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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /browser/components/tabunloader/content/aboutUnloads.js | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'browser/components/tabunloader/content/aboutUnloads.js')
-rw-r--r-- | browser/components/tabunloader/content/aboutUnloads.js | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/browser/components/tabunloader/content/aboutUnloads.js b/browser/components/tabunloader/content/aboutUnloads.js new file mode 100644 index 0000000000..635f1243d3 --- /dev/null +++ b/browser/components/tabunloader/content/aboutUnloads.js @@ -0,0 +1,126 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ +"use strict"; + +const { TabUnloader } = ChromeUtils.importESModule( + "resource:///modules/TabUnloader.sys.mjs" +); + +async function refreshData() { + const sortedTabs = await TabUnloader.getSortedTabs(null); + const tabTable = document.querySelector(".tab-table > tbody"); + const getHost = uri => { + try { + return uri?.host; + } catch (e) { + return uri?.spec; + } + }; + const updateTimestamp = () => { + document.l10n.setAttributes( + document.getElementById("label-last-updated"), + "about-unloads-last-updated", + { date: Date.now() } + ); + }; + + // Reset the table + // Don't delete the first row showing the "no unloadable tab" message + while (tabTable.rows.length > 1) { + tabTable.deleteRow(1); + } + if (!sortedTabs.length) { + document.getElementById("button-unload").disabled = true; + document.getElementById("no-unloadable-tab-message").hidden = false; + updateTimestamp(); + return; + } + document.getElementById("button-unload").disabled = + !TabUnloader.isDiscardable(sortedTabs[0]); + document.getElementById("no-unloadable-tab-message").hidden = true; + + const fragmentRows = new DocumentFragment(); + const templateRow = document.querySelector("template[name=tab-table-row]"); + + let ordinal = 0; + for (const tabInfo of sortedTabs) { + if (!("tab" in tabInfo)) { + continue; + } + + const fragment = templateRow.content.cloneNode(true); + const row = fragment.querySelector("tr"); + + row.children[0].textContent = TabUnloader.isDiscardable(tabInfo) + ? ++ordinal + : "-"; + row.children[1].textContent = getHost( + tabInfo.tab?.linkedBrowser?.currentURI + ); + if ("lastAccessed" in tabInfo.tab) { + document.l10n.setAttributes( + row.children[2], + "about-unloads-last-accessed", + { date: tabInfo.tab.lastAccessed } + ); + } + row.children[3].textContent = tabInfo.weight; + row.children[4].textContent = tabInfo.sortWeight; + if ("memory" in tabInfo) { + document.l10n.setAttributes( + row.children[5], + "about-unloads-memory-in-mb", + { mem: tabInfo.memory / 1024 / 1024 } + ); + } + + if (tabInfo.processes) { + for (const [pid, procEntry] of tabInfo.processes) { + if (pid < 0) { + // Tab is hosted by the main process + continue; + } + + const procLabel = document.createElement("span"); + const procInfo = procEntry.entryToProcessMap; + + if (procEntry.isTopLevel) { + procLabel.classList.add("top-level-process"); + } + if (procInfo.tabSet.size > 1) { + procLabel.classList.add("shared-process"); + } + procLabel.textContent = pid; + document.l10n.setAttributes( + procLabel, + "about-unloads-memory-in-mb-tooltip", + { mem: procInfo.memory / 1024 / 1024 } + ); + row.children[6].appendChild(procLabel); + row.children[6].appendChild(document.createTextNode(" ")); + } + } + + fragmentRows.appendChild(fragment); + } + + tabTable.appendChild(fragmentRows); + updateTimestamp(); +} + +async function onLoad() { + document + .getElementById("button-unload") + .addEventListener("click", async () => { + await TabUnloader.unloadLeastRecentlyUsedTab(null); + await refreshData(); + }); + await refreshData(); +} + +try { + document.addEventListener("DOMContentLoaded", onLoad, { once: true }); +} catch (ex) { + console.error(ex); +} |