2015-08-25 13:49:00 +03:00
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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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<title>meta viewport test</title>
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<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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2018-10-16 02:53:43 +03:00
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<script type="application/javascript" src="/tests/SimpleTest/AddTask.js"></script>
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2015-08-25 13:49:00 +03:00
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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<meta name="viewport" content="width=320">
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<script src="viewport_helpers.js"></script>
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</head>
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<body>
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<p>Dynamic viewport updates</p>
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2017-02-23 00:10:07 +03:00
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<script type="application/javascript">
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2015-08-25 13:49:00 +03:00
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"use strict";
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2018-10-16 02:53:43 +03:00
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add_task(async function test1() {
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await SpecialPowers.pushPrefEnv(scaleRatio(1.0));
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2015-08-25 13:49:00 +03:00
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2018-10-16 02:53:43 +03:00
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updateViewport("width=device-width");
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let info = getViewportInfo(800, 480);
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is(info.defaultZoom, 1, "initial zoom is 100%");
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is(info.width, 800, "width is the same as the displayWidth");
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is(info.height, 480, "height is the same as the displayHeight");
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is(info.autoSize, true, "width=device-width enables autoSize");
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is(info.allowZoom, true, "zooming is enabled by default");
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2015-08-25 13:49:00 +03:00
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2018-10-16 02:53:43 +03:00
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info = getViewportInfo(900, 600);
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is(info.width, 900, "changing the displayWidth changes the width");
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is(info.height, 600, "changing the displayHeight changes the height");
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2015-08-25 13:49:00 +03:00
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});
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2018-10-16 02:53:43 +03:00
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add_task(async function test2() {
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await SpecialPowers.pushPrefEnv(scaleRatio(1.0));
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2015-08-25 13:49:00 +03:00
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2018-10-16 02:53:43 +03:00
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updateViewport("width=320");
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let info = getViewportInfo(800, 80);
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is(info.defaultZoom, 2.5, "initial zoom fits the displayWidth");
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is(info.width, 320, "width is set explicitly");
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is(info.height, 40, "height is at the absolute minimum");
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is(info.autoSize, false, "width=device-width enables autoSize");
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is(info.allowZoom, true, "zooming is enabled by default");
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2015-08-25 13:49:00 +03:00
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2018-10-16 02:53:43 +03:00
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info = getViewportInfo(480, 800);
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is(info.defaultZoom, 1.5, "initial zoom fits the new displayWidth");
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is(info.width, 320, "explicit width is unchanged");
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is(info.height, 533, "height changes proportional to displayHeight");
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2015-08-25 13:49:00 +03:00
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});
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2018-10-16 02:53:43 +03:00
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add_task(async function test3() {
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await SpecialPowers.pushPrefEnv(scaleRatio(1.0));
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2015-08-25 13:49:00 +03:00
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2018-10-16 02:53:43 +03:00
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updateViewport("user-scalable=no");
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let info = getViewportInfo(800, 480);
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is(info.allowZoom, false, "zooming is explicitly disabled");
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2015-08-25 13:49:00 +03:00
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});
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2018-10-16 02:53:43 +03:00
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add_task(async function test4() {
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await SpecialPowers.pushPrefEnv(scaleRatio(1.0));
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2015-08-25 13:49:00 +03:00
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2018-10-16 02:53:43 +03:00
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updateViewport("user-scalable=yes");
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let info = getViewportInfo(800, 480);
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is(info.allowZoom, true, "zooming is explicitly allowed");
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2015-08-25 13:49:00 +03:00
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});
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function updateViewport(content) {
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let meta = document.querySelector("meta[name=viewport]");
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meta.content = content;
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}
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</script>
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</body>
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</html>
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