edx-platform/lms/templates/courseware/courseware-chromeless.html

<%page expression_filter="h"/>
<%inherit file="/main.html" />
<%namespace name='static' file='/static_content.html'/>
<%!
from django.utils.translation import ugettext as _

from openedx.core.djangolib.markup import HTML
from openedx.core.djangolib.js_utils import js_escaped_string

%>
<%def name="course_name()">
 <% return _("{course_number} Courseware").format(course_number=course.display_number_with_default) %>
</%def>

<%block name="bodyclass">view-in-course view-courseware courseware ${course.css_class or ''}</%block>
<%block name="title"><title>
    % if section_title:
${static.get_page_title_breadcrumbs(section_title, course_name())}
    % else:
${static.get_page_title_breadcrumbs(course_name())}
    %endif
</title></%block>

<%block name="header_extras">
% for template_name in ["image-modal"]:
<script type="text/template" id="${template_name}-tpl">
    <%static:include path="common/templates/${template_name}.underscore" />
</script>
% endfor
<%
  header_file = None
%>
</%block>

<%block name="headextra">
<%static:css group='style-course-vendor'/>
<%static:css group='style-course'/>
## Utility: Notes
% if edx_notes_enabled:
<%static:css group='style-student-notes'/>
% endif

<script type="text/javascript" src="${static.url('js/jquery.autocomplete.js')}"></script>
<script type="text/javascript" src="${static.url('js/src/tooltip_manager.js')}"></script>

<link href="${static.url('css/vendor/jquery.autocomplete.css')}" rel="stylesheet" type="text/css">
  ${HTML(fragment.head_html())}

  <script type="text/javascript">
    // If this chromeless view is in an iframe in the learning microfrontend app
    // then add a base tag in the head (of the iframe document) to force links
    // in this iframe to navigate the parent window.
    var learningAppUrl = "${settings.LEARNING_MICROFRONTEND_URL | n, js_escaped_string}";
    var parentIsLearningApp = document.referrer.indexOf(learningAppUrl) === 0;
    if (window !== window.parent && parentIsLearningApp) {
      var baseElement = document.createElement('base');
      baseElement.setAttribute('target', '_parent');
      document.head.appendChild(baseElement);
    }
  </script>
</%block>

<%block name="js_extra">
  <script type="text/javascript" src="${static.url('common/js/vendor/jquery.scrollTo.js')}"></script>
  <script type="text/javascript" src="${static.url('js/vendor/flot/jquery.flot.js')}"></script>

  <%static:js group='courseware'/>

  <%include file="/mathjax_include.html" args="disable_fast_preview=True"/>
  % if staff_access:
  	<%include file="xqa_interface.html"/>
  % endif

  <script type="text/javascript">
    var $$course_id = "${course.id | n, js_escaped_string}";
  </script>

${HTML(fragment.foot_html())}

</%block>

<div class="course-wrapper chromeless">
  <section class="course-content" id="course-content"\
    % if enable_completion_on_view_service:
      data-enable-completion-on-view-service="true" \
    % else:
      data-enable-completion-on-view-service="false" \
    % endif
    style="display: block; width: auto; margin: 0;"
  >
      <main id="main" tabindex="-1" aria-label="Content">
        ${HTML(fragment.body_html())}
      </main>
  </section>
</div>
% if course.show_calculator or edx_notes_enabled:
    <nav class="nav-utilities ${"has-utility-calculator" if course.show_calculator else ""}" aria-label="${_('Course Utilities')}">
      ## Utility: Notes
      % if edx_notes_enabled:
        <%include file="/edxnotes/toggle_notes.html" args="course=course"/>
      % endif

      ## Utility: Calc
      % if course.show_calculator:
        <%include file="/calculator/toggle_calculator.html" />
      % endif
    </nav>
% endif

<script type="text/javascript">
  (function() {
    // If this view is rendered in an iframe within the learning microfrontend app
    // it will report the height of its contents to the parent window when the
    // document loads, window resizes, or DOM mutates.
    var learningAppUrl = "${settings.LEARNING_MICROFRONTEND_URL | n, js_escaped_string}";
    var parentIsLearningApp = document.referrer.indexOf(learningAppUrl) === 0;

    if (window !== window.parent && parentIsLearningApp) {
      var lastHeight = window.offsetHeight;
      var lastWidth = window.offsetWidth;
      var contentElement = document.getElementById('content');

      function dispatchResizeMessage() {
        var newHeight = contentElement.offsetHeight;
        var newWidth = contentElement.offsetWidth;

        if (newWidth === lastWidth && newHeight === lastHeight) {
          return;
        }

        window.parent.postMessage({
            type: 'plugin.resize',
            payload: {
              width: newWidth,
              height: newHeight,
            }
          }, document.referrer
        );

        lastHeight = newHeight;
        lastWidth = newWidth;

        // Within the learning microfrontend the iframe resizes to match the
        // height of this document and it should never scroll. It does scroll
        // ocassionally when javascript is used to focus elements on the page
        // before the parent iframe has been resized to match the content
        // height. This window.scrollTo is an attempt to keep the content at the
        // top of the page. See TNL-7094
        window.scrollTo(0, 0);
      }

      // Create an observer instance linked to the callback function
      const observer = new MutationObserver(dispatchResizeMessage);

      // Start observing the target node for configured mutations
      observer.observe(document.body, { attributes: true, childList: true, subtree: true });

      window.addEventListener('load', dispatchResizeMessage);
      window.addEventListener('resize', dispatchResizeMessage);
    }
  }());
</script>