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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
| commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
| tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /layout/base/tests/test_zoom_restore_bfcache.html | |
| parent | Initial commit. (diff) | |
| download | thunderbird-upstream.tar.xz thunderbird-upstream.zip | |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'layout/base/tests/test_zoom_restore_bfcache.html')
| -rw-r--r-- | layout/base/tests/test_zoom_restore_bfcache.html | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/layout/base/tests/test_zoom_restore_bfcache.html b/layout/base/tests/test_zoom_restore_bfcache.html new file mode 100644 index 0000000000..798ce1c6e4 --- /dev/null +++ b/layout/base/tests/test_zoom_restore_bfcache.html @@ -0,0 +1,139 @@ +<!doctype html> +<meta charset="utf-8"> +<title>Test for zoom restoration when coming from the bfcache</title> +<script src="/tests/SimpleTest/SimpleTest.js"></script> +<script src="/tests/SimpleTest/paint_listener.js"></script> +<link rel="stylesheet" href="/tests/SimpleTest/test.css"/> +<script> +SimpleTest.waitForExplicitFinish(); + +/** + * - main page (this one) opens file_zoom_restore_bfcache.html + * - file_zoom_restore_bfcache.html sends "handlePageShow" to main page + * - main page sends file_zoom_restore_bfcache.html "case1sendData" + * - file_zoom_restore_bfcache.html sends "case1data" to main page + * - main page sends "case1click" to file_zoom_restore_bfcache.html + * - file_zoom_restore_bfcache.html clicks on <a> element, navigating to uri + * file_zoom_restore_bfcache.html?2, and gets bfcached + * - file_zoom_restore_bfcache.html?2 sends "handlePageShow" to main page + * - main page sends "case2sendData" to file_zoom_restore_bfcache.html?2 + * - file_zoom_restore_bfcache.html?2 sends "case2data" to main page + * - main page sends "case2action" to file_zoom_restore_bfcache.html?2 + * - file_zoom_restore_bfcache.html?2 sends "case2dataAnimationFrame" to main page + * - main page sends "case2back" to file_zoom_restore_bfcache.html?2 + * - file_zoom_restore_bfcache.html?2 navigates back to file_zoom_restore_bfcache.html + * - file_zoom_restore_bfcache.html sends "handlePageShow" to main page + * - main page sends "case3sendData to file_zoom_restore_bfcache.html + * - file_zoom_restore_bfcache.html sends "case3data" to main page + * - main page sends "close to file_zoom_restore_bfcache.html + * - file_zoom_restore_bfcache.html closes bc and window and sends back "closed" + **/ + +const originalDPR = window.devicePixelRatio; +let loadCount = 0; +var bc = new BroadcastChannel("zoomRestoreBfcache"); +var bcPage2 = new BroadcastChannel("zoomRestoreBfcache?2"); +bc.onmessage = (msgEvent) => { + var msg = msgEvent.data; + var command = msg.command; + info(`Main page, received command from normal bc=${command}`); + switch (command) { + case "handlePageShow": { + handlePageShow(msgEvent.data.eventPersisted); + break; + } + case "case1data": { + is(loadCount, 1, "Case 1"); + is(msg.devicePixelRatio, originalDPR, "No zoom"); + bc.postMessage({command: "case1click"}); + // The end of case 1 + break; + } + case "case3data": { + is(loadCount, 2, "Case 3"); + is(msg.devicePixelRatio, originalDPR * 2, "Should preserve zoom when restored"); + SpecialPowers.spawnChrome([], () => { + // We use FullZoom in file_zoom_restore_bfcache.html to set the zoom level in the + // parent, but if FullZoom is not available then that will fail. So check it here + // and mark the test as todo if it's not available. + return "FullZoom" in this.browsingContext.top.embedderElement.ownerGlobal; + }).then((hasFullZoom) => { + if (SpecialPowers.Services.appinfo.sessionHistoryInParent && hasFullZoom) { + // When bfcache lives in the parent process, we get a proper zoom level + // update on the browsing context. + is(msg.frameDevicePixelRatio, originalDPR * 2, "Should preserve zoom on frames too"); + } else { + todo_is(msg.frameDevicePixelRatio, originalDPR * 2, "Should preserve zoom on frames too"); + } + bc.postMessage({command: "close"}); + // Now we wait for "closed" + }); + break; + } + case "closed": { + is(loadCount, 2, "Case 3"); + bc.close(); + SimpleTest.finish(); + break; + } + default: + ok(false, "should not receive extra messages via BroadcastChannel"); + } +} +bcPage2.onmessage = (msgEvent) => { + var msg = msgEvent.data; + var command = msg.command; + info(`Main page, received command from bc?2=${command}`); + switch (command) { + case "handlePageShow": { + handlePageShow(msgEvent.data.eventPersisted); + break; + } + case "case2data": { + is(loadCount, 2, "Case 2"); + is(msg.devicePixelRatio, originalDPR, "No zoom (yet)") + is(msg.frameDevicePixelRatio, originalDPR, "No zoom on frame either"); + bcPage2.postMessage({command: "case2action"}); + // Now we wait for "case2dataAnimationFrame" + break; + } + case "case2dataAnimationFrame": { + is(loadCount, 2, "Case 2"); + is(msg.devicePixelRatio, originalDPR * 2, "Zoomed"); + is(msg.frameDevicePixelRatio, originalDPR * 2, "Zoomed iframe too"); + bcPage2.postMessage({command: "case2back"}); + bcPage2.close(); + // The end of case 2 + break; + } + default: + ok(false, "should not receive extra messages via BroadcastChannel"); + } +} +function handlePageShow(persisted) { + ok(typeof persisted == "boolean", "Should get the persisted state from the pageshow event"); + if (loadCount == 2) { + ok(persisted, "Should've gone into the bfcache after the back navigation"); + } else { + ok(!persisted, "Should NOT be retrieved from bfcache"); + } + + if (loadCount == 0) { + loadCount++; + bc.postMessage({command: "case1sendData"}); + // Now we wait for the "case1data" message + } else if (loadCount == 1) { + loadCount++; + bcPage2.postMessage({command: "case2sendData"}); + // Now we wait for the "case2data" message + } else { + bc.postMessage({command: "case3sendData"}); + // Now we wait for the "case3data" message + } +} + +// If Fission is disabled, the pref is no-op. +SpecialPowers.pushPrefEnv({set: [["fission.bfcacheInParent", true]]}, () => { + window.open('file_zoom_restore_bfcache.html', '_blank', 'noopener'); +}); +</script> |