How is Magento\Framework\View\Result\Page::render() implemented and used?

dmitry_fedyuk · May 6, 2017, 6:34pm

Implemenentation

magento/magento2/blob/2.1.6/lib/internal/Magento/Framework/View/Result/Page.php#L221-L252


/**
 * @param ResponseInterface $response
 * @return $this
 */
protected function render(ResponseInterface $response)
{
    $this->pageConfig->publicBuild();
    if ($this->getPageLayout()) {
        $config = $this->getConfig();
        $this->addDefaultBodyClasses();
        $addBlock = $this->getLayout()->getBlock('head.additional'); // todo
        $requireJs = $this->getLayout()->getBlock('require.js');
        $this->assign([
            'requireJs' => $requireJs ? $requireJs->toHtml() : null,
            'headContent' => $this->pageConfigRenderer->renderHeadContent(),
            'headAdditional' => $addBlock ? $addBlock->toHtml() : null,
            'htmlAttributes' => $this->pageConfigRenderer->renderElementAttributes($config::ELEMENT_TYPE_HTML),
            'headAttributes' => $this->pageConfigRenderer->renderElementAttributes($config::ELEMENT_TYPE_HEAD),
            'bodyAttributes' => $this->pageConfigRenderer->renderElementAttributes($config::ELEMENT_TYPE_BODY),
            'loaderIcon' => $this->getViewFileUrl('images/loader-2.gif'),
        ]);


        $output = $this->getLayout()->getOutput();
        $this->assign('layoutContent', $output);
        $output = $this->renderPage();
        $this->translateInline->processResponseBody($output);
        $response->appendBody($output);
    } else {
        parent::render($response);
    }
    return $this;
}

Details:

How is Magento\Framework\View\Page\Config\Renderer::renderHeadContent() implemented and used?

Usages

1. Magento\Framework\View\Result\Layout::renderResult()

github.com

magento/magento2/blob/2.1.6/lib/internal/Magento/Framework/View/Result/Layout.php#L152-L171


/**
 * Render current layout
 *
 * @param ResponseInterface $response
 * @return $this
 */
public function renderResult(ResponseInterface $response)
{
    \Magento\Framework\Profiler::start('LAYOUT');
    \Magento\Framework\Profiler::start('layout_render');


    $this->applyHttpHeaders($response);
    $this->render($response);


    $this->eventManager->dispatch('layout_render_before');
    $this->eventManager->dispatch('layout_render_before_' . $this->request->getFullActionName());
    \Magento\Framework\Profiler::stop('layout_render');
    \Magento\Framework\Profiler::stop('LAYOUT');
    return $this;
}

dmitry_fedyuk · May 6, 2017, 7:32pm