4f977fe88f
Adding <meta name="viewport" content="width=device-width"/> to the view-source document achieves two things when used in a mobile browser, such as Fennec: 1. When word-wrapping is turned off, the page displays at a more readable initial zoom level. 2. As of now, font inflation (when enabled) kicks in on the document when word- wrapping is turned on, which leads to the line numbers appearing in a noticeably smaller font size than the rest of the page. Adding the above meta viewport header marks the document as "mobile-friendly" and suppresses font inflation, which means that line numbers will appear normally even with word-wrapping enabled. getMathMLSelection() in browser-content.js isn't actually used in Fennec at the moment, but for consistency we add the meta viewport tag there as well. MozReview-Commit-ID: K9KVHh7g7TF
69 lines
2.4 KiB
C++
69 lines
2.4 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsHtml5ViewSourceUtils.h"
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#include "nsHtml5AttributeName.h"
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#include "mozilla/Preferences.h"
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#include "nsHtml5String.h"
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// static
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nsHtml5HtmlAttributes*
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nsHtml5ViewSourceUtils::NewBodyAttributes()
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{
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nsHtml5HtmlAttributes* bodyAttrs = new nsHtml5HtmlAttributes(0);
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nsHtml5String id = nsHtml5Portability::newStringFromLiteral("viewsource");
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bodyAttrs->addAttribute(nsHtml5AttributeName::ATTR_ID, id, -1);
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nsString klass;
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if (mozilla::Preferences::GetBool("view_source.wrap_long_lines", true)) {
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klass.AppendLiteral(u"wrap ");
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}
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if (mozilla::Preferences::GetBool("view_source.syntax_highlight", true)) {
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klass.AppendLiteral(u"highlight");
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}
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if (!klass.IsEmpty()) {
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bodyAttrs->addAttribute(
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nsHtml5AttributeName::ATTR_CLASS, nsHtml5String::FromString(klass), -1);
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}
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int32_t tabSize = mozilla::Preferences::GetInt("view_source.tab_size", 4);
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if (tabSize > 0) {
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nsString style;
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style.AssignASCII("-moz-tab-size: ");
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style.AppendInt(tabSize);
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bodyAttrs->addAttribute(
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nsHtml5AttributeName::ATTR_STYLE, nsHtml5String::FromString(style), -1);
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}
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return bodyAttrs;
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}
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// static
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nsHtml5HtmlAttributes*
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nsHtml5ViewSourceUtils::NewLinkAttributes()
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{
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nsHtml5HtmlAttributes* linkAttrs = new nsHtml5HtmlAttributes(0);
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nsHtml5String rel = nsHtml5Portability::newStringFromLiteral("stylesheet");
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linkAttrs->addAttribute(nsHtml5AttributeName::ATTR_REL, rel, -1);
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nsHtml5String type = nsHtml5Portability::newStringFromLiteral("text/css");
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linkAttrs->addAttribute(nsHtml5AttributeName::ATTR_TYPE, type, -1);
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nsHtml5String href = nsHtml5Portability::newStringFromLiteral(
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"resource://content-accessible/viewsource.css");
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linkAttrs->addAttribute(nsHtml5AttributeName::ATTR_HREF, href, -1);
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return linkAttrs;
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}
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// static
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nsHtml5HtmlAttributes*
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nsHtml5ViewSourceUtils::NewMetaViewportAttributes()
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{
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nsHtml5HtmlAttributes* metaVpAttrs = new nsHtml5HtmlAttributes(0);
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nsHtml5String name = nsHtml5Portability::newStringFromLiteral("viewport");
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metaVpAttrs->addAttribute(nsHtml5AttributeName::ATTR_NAME, name, -1);
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nsHtml5String content = nsHtml5Portability::newStringFromLiteral("width=device-width");
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metaVpAttrs->addAttribute(nsHtml5AttributeName::ATTR_CONTENT, content, -1);
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return metaVpAttrs;
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}
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