2012-09-10 18:53:24 -07:00
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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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<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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2013-06-03 00:02:46 -07:00
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<script src="viewport_helpers.js"></script>
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2012-09-10 18:53:24 -07:00
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</head>
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<body>
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<p>width=320</p>
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<script type="application/javascript;version=1.7">
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"use strict";
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SimpleTest.waitForExplicitFinish();
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let tests = [];
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tests.push(function test1() {
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2013-06-03 00:02:46 -07:00
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SpecialPowers.pushPrefEnv(scaleRatio(1.0),
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2012-09-10 18:53:24 -07:00
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function() {
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let info = getViewportInfo(800, 480);
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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, 223, "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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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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nextTest();
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});
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});
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tests.push(function test2() {
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2013-06-03 00:02:46 -07:00
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SpecialPowers.pushPrefEnv(scaleRatio(1.5),
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2012-09-10 18:53:24 -07:00
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function() {
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// With an explicit width in CSS px, the scaleRatio has no effect.
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let info = getViewportInfo(800, 480);
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is(info.defaultZoom, 2.5, "initial zoom still fits the displayWidth");
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is(info.width, 320, "width is still set explicitly");
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is(info.height, 223, "height is still minimum height");
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nextTest();
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});
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});
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function getViewportInfo(aDisplayWidth, aDisplayHeight) {
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let defaultZoom = {}, allowZoom = {}, minZoom = {}, maxZoom = {},
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width = {}, height = {}, autoSize = {};
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let cwu = SpecialPowers.getDOMWindowUtils(window);
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cwu.getViewportInfo(aDisplayWidth, aDisplayHeight, defaultZoom, allowZoom,
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minZoom, maxZoom, width, height, autoSize);
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return {
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defaultZoom: defaultZoom.value,
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minZoom: minZoom.value,
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maxZoom: maxZoom.value,
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width: width.value,
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height: height.value,
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autoSize: autoSize.value,
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allowZoom: allowZoom.value
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};
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}
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function nextTest() {
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if (tests.length)
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(tests.shift())();
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else
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SimpleTest.finish();
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}
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addEventListener("load", nextTest);
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</script>
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</body>
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</html>
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