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Fix overriding viewport meta tags in reflowable resources (#23)
The meta tag is now injected through JavaScript instead of directly modifying the resource.
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-7
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-7
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‎readium/navigator/src/main/assets/_scripts/src/index-reflowable.js

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@@ -7,3 +7,14 @@
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// Script used for reflowable resources.
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import "./index";
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document.addEventListener("DOMContentLoaded", function () {
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// Setups the `viewport` meta tag to disable zooming.
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let meta = document.createElement("meta");
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meta.setAttribute("name", "viewport");
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meta.setAttribute(
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"content",
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"width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no, shrink-to-fit=no"
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);
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document.head.appendChild(meta);
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});

‎readium/navigator/src/main/assets/readium/scripts/readium-reflowable.js

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‎readium/streamer/src/main/java/org/readium/r2/streamer/fetcher/HtmlInjector.kt

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@@ -70,8 +70,6 @@ internal class HtmlInjector(
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val endIncludes = mutableListOf<String>()
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val beginIncludes = mutableListOf<String>()
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beginIncludes.add("<meta name=\"viewport\" content=\"width=device-width, height=device-height, initial-scale=1.0, maximum-scale=1.0, user-scalable=0\" />")
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beginIncludes.add(getHtmlLink("/assets/readium-css/${layout.readiumCSSPath}ReadiumCSS-before.css"))
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endIncludes.add(getHtmlLink("/assets/readium-css/${layout.readiumCSSPath}ReadiumCSS-after.css"))
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endIncludes.add(getHtmlScript("/assets/scripts/readium-reflowable.js"))

‎readium/streamer/src/test/java/org/readium/r2/streamer/fetcher/HtmlInjectorTest.kt

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@@ -15,7 +15,7 @@ class HtmlInjectorTest {
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<?xml version="1.0" encoding="utf-8"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head><meta name="viewport" content="width=device-width, height=device-height, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" /><link rel="stylesheet" type="text/css" href="/assets/readium-css/ReadiumCSS-before.css"/>
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<head><link rel="stylesheet" type="text/css" href="/assets/readium-css/ReadiumCSS-before.css"/>
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<title>Publication</title>
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<link rel="stylesheet" href="style.css" type="text/css"/>
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<?xml version="1.0" encoding="utf-8"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head xmlns:xlink="http://www.w3.org/1999/xlink"><meta name="viewport" content="width=device-width, height=device-height, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" /><link rel="stylesheet" type="text/css" href="/assets/readium-css/ReadiumCSS-before.css"/>
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<head xmlns:xlink="http://www.w3.org/1999/xlink"><link rel="stylesheet" type="text/css" href="/assets/readium-css/ReadiumCSS-before.css"/>
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<title>Publication</title>
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<link rel="stylesheet" href="style.css" type="text/css"/>
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assertEquals(
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"""
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<?xml version="1.0" encoding="utf-8"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head xmlns:xlink="http://www.w3.org/1999/xlink"><meta name="viewport" content="width=device-width, height=device-height, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" /><link rel="stylesheet" type="text/css" href="/assets/readium-css/ReadiumCSS-before.css"/>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head xmlns:xlink="http://www.w3.org/1999/xlink"><link rel="stylesheet" type="text/css" href="/assets/readium-css/ReadiumCSS-before.css"/>
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<title>Publication</title><link rel="stylesheet" href="style.css" type="text/css"/><link rel="stylesheet" type="text/css" href="/assets/readium-css/ReadiumCSS-after.css"/>
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<script type="text/javascript" src="/assets/scripts/readium-reflowable.js"></script>
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<style>@import url('https://fonts.googleapis.com/css?family=PT+Serif|Roboto|Source+Sans+Pro|Vollkorn');</style>
@@ -100,7 +100,7 @@ class HtmlInjectorTest {
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<?xml version="1.0" encoding="utf-8"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><HEAD
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xmlns:xlink="http://www.w3.org/1999/xlink"
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><meta name="viewport" content="width=device-width, height=device-height, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" /><link rel="stylesheet" type="text/css" href="/assets/readium-css/ReadiumCSS-before.css"/>
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><link rel="stylesheet" type="text/css" href="/assets/readium-css/ReadiumCSS-before.css"/>
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<title>Publication</title><link rel="stylesheet" href="style.css" type="text/css"/><link rel="stylesheet" type="text/css" href="/assets/readium-css/ReadiumCSS-after.css"/>
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<script type="text/javascript" src="/assets/scripts/readium-reflowable.js"></script>
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<style>@import url('https://fonts.googleapis.com/css?family=PT+Serif|Roboto|Source+Sans+Pro|Vollkorn');</style>

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