зеркало из https://github.com/mozilla/gecko-dev.git
Bug 1520081 - Use the minimum scale size even if the minimum-scale in viewport meta tag is greater than 1.0. r=botond
Differential Revision: https://phabricator.services.mozilla.com/D17451 --HG-- extra : moz-landing-system : lando
This commit is contained in:
Hiroyuki Ikezoe
Родитель
becd2488d6
Коммит
465dbfe030
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<!DOCTYPE HTML>
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<html>
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=200, minimum-scale=1.0, initial-scale=2.0">
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<title>Tests that the layout viewport is expanted to the minimum scale size (minimim-scale >= 1.0)</title>
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<script type="application/javascript" src="apz_test_utils.js"></script>
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<script type="application/javascript" src="/tests/SimpleTest/paint_listener.js"></script>
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<style>
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html,body {
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overflow-x: hidden;
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margin: 0;
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}
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div {
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position: absolute;
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}
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</style>
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</head>
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<body>
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<div style="width: 200%; height: 200%; background-color: green"></div>
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<div style="width: 100%; height: 100%; background-color: blue"></div>
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<script type="application/javascript">
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async function test(testDriver) {
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SpecialPowers.getDOMWindowUtils(window).scrollToVisual(100, 0);
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const promiseForVisualViewportScroll = new Promise(resolve => {
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window.visualViewport.addEventListener("scroll", () => {
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resolve();
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}, { once: true });
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});
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await waitUntilApzStable();
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await promiseForVisualViewportScroll;
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is(visualViewport.offsetLeft, 100,
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"The visual viewport offset should be moved");
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}
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waitUntilApzStable().then(test).then(subtestDone);
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</script>
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</body>
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</html>
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@ -18,6 +18,8 @@
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[test_frame_reconstruction.html]
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[test_fullscreen.html]
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run-if = (os == 'android')
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[test_group_minimum_scale_size.html]
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run-if = (os == 'android')
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[test_group_mouseevents.html]
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skip-if = (toolkit == 'android') # mouse events not supported on mobile
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[test_group_pointerevents.html]
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<!DOCTYPE HTML>
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<html>
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<head>
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<meta charset="utf-8">
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<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<script type="application/javascript" src="apz_test_utils.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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<script type="application/javascript">
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const prefs = [
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// We need the APZ paint logging information
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["apz.test.logging_enabled", true],
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// Dropping the touch slop to 0 makes the tests easier to write because
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// we can just do a one-pixel drag to get over the pan threshold rather
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// than having to hard-code some larger value.
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["apz.touch_start_tolerance", "0.0"],
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// The subtests in this test do touch-drags to pan the page, but we don't
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// want those pans to turn into fling animations, so we increase the
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// fling-min threshold velocity to an arbitrarily large value.
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["apz.fling_min_velocity_threshold", "10000"],
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// The helper_bug1280013's div gets a displayport on scroll, but if the
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// test takes too long the displayport can expire before we read the value
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// out of the test. So we disable displayport expiry for these tests.
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["apz.displayport_expiry_ms", 0],
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// Prevent the dynamic toolbar from interfering with main-thread scroll
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// offset values.
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["browser.chrome.dynamictoolbar", false],
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// Explicitly enable pinch-zooming, so this test can run on desktop
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// even though zooming isn't enabled by default on desktop yet.
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["apz.allow_zooming", true],
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// Pinch-zooming currently requires meta viewport support (this requirement
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// will eventually be removed).
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["dom.meta-viewport.enabled", true],
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// Pinch-zooming currently requires container scrolling (this requirement
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// will eventually be removed).
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["layout.scroll.root-frame-containers", 1],
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// Retained displaylists don't work well with container scrolling, so
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// they too need to be disabled for now.
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["layout.display-list.retain", false],
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["layout.display-list.retain.chrome", false],
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// We use the Visual Viewport API to tell the visual viewport offset.
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["dom.visualviewport.enabled", true],
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];
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const subtests = [
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{ file: "helper_minimum_scale_1_0.html", prefs },
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];
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if (isApzEnabled()) {
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SimpleTest.waitForExplicitFinish();
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// Run the actual test in its own window, because it requires that the
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// root APZC be scrollable. Mochitest pages themselves often run
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// inside an iframe which means we have no control over the root APZC.
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window.onload = () => {
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runSubtestsSeriallyInFreshWindows(subtests)
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.then(SimpleTest.finish, SimpleTest.finish);
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};
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}
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</script>
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</head>
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<body>
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</body>
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</html>
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@ -5511,13 +5511,6 @@ void ScrollFrameHelper::UpdateMinimumScaleSize(
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}
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nsViewportInfo viewportInfo = doc->GetViewportInfo(displaySize);
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// FIXME: Bug 1520081 - Drop this check. We should use the minimum-scale size
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// even if the minimum-scale size is greater than 1.0.
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if (viewportInfo.GetMinZoom() >=
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pc->CSSToDevPixelScale() * LayoutDeviceToScreenScale(1.0f)) {
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return;
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}
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nsSize maximumPossibleSize =
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CSSSize::ToAppUnits(ScreenSize(displaySize) / viewportInfo.GetMinZoom());
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