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authorThomas Lange <code@nerdmind.de>2018-12-31 00:23:06 +0100
committerThomas Lange <code@nerdmind.de>2018-12-31 00:23:06 +0100
commita0725d0bf159283e278168e3bd1dc0fe3e6da7ab (patch)
treea7788e618b82c7957cc56e2be3967fcfa8f03df0
parentdf4865e7bcc3857be2f4b57d565a501a097b0daa (diff)
downloadbigpipe-last-pagelet-event-optimization.tar.gz
bigpipe-last-pagelet-event-optimization.tar.xz
bigpipe-last-pagelet-event-optimization.zip
Temporary branch: last-pagelet-event-optimizationlast-pagelet-event-optimization
-rw-r--r--include/classes/BigPipe/BigPipe.php4
-rw-r--r--include/classes/Document.php34
-rw-r--r--static/bigpipe.js36
-rw-r--r--template/document.php44
-rw-r--r--test.php66
5 files changed, 172 insertions, 12 deletions
diff --git a/include/classes/BigPipe/BigPipe.php b/include/classes/BigPipe/BigPipe.php
index d84083e..737e860 100644
--- a/include/classes/BigPipe/BigPipe.php
+++ b/include/classes/BigPipe/BigPipe.php
@@ -89,10 +89,6 @@ class BigPipe {
}
}
}
-
- if(self::enabled()) {
- echo "<script>BigPipe.onLastPageletArrived();</script>\n";
- }
}
}
?> \ No newline at end of file
diff --git a/include/classes/Document.php b/include/classes/Document.php
new file mode 100644
index 0000000..9b9893a
--- /dev/null
+++ b/include/classes/Document.php
@@ -0,0 +1,34 @@
+<?php
+use BigPipe\BigPipe;
+use BigPipe\Pagelet;
+
+class Document {
+ private $contentCallbacks = [];
+ private $pagelets = [];
+
+ public function addPagelet(Pagelet $Pagelet, callable $callback) {
+ $this->pagelets[] = $Pagelet;
+
+ $this->contentCallbacks[$Pagelet->getID()] = $callback;
+
+ if(!BigPipe::enabled()) {
+ $Pagelet->addHTML($callback($Pagelet));
+ }
+ }
+
+ public function render($content_html, $sidebar_html) {
+ require 'template/document.php';
+ BigPipe::flushOutputBuffer();
+
+ if(BigPipe::enabled()) {
+ foreach($this->pagelets as $Pagelet) {
+ $Pagelet->addHTML($this->contentCallbacks[$Pagelet->getID()]($Pagelet));
+ $Pagelet->flush();
+ }
+ }
+
+ BigPipe::completeResponse();
+ echo "</body>\n</html>";
+ }
+}
+?> \ No newline at end of file
diff --git a/static/bigpipe.js b/static/bigpipe.js
index cc048a5..41bd4fd 100644
--- a/static/bigpipe.js
+++ b/static/bigpipe.js
@@ -272,7 +272,27 @@ BigPipe = (function() {
wait: [],
interval: null,
+ eventNode: document,
+ eventName: "DOMContentLoaded",
+ eventFunc: function() {
+ BigPipe.onLastPageletArrived();
+ BigPipe.unregisterEventListener();
+ },
+
+ registerEventListener() {
+ this.eventNode.addEventListener(this.eventName, this.eventFunc, false);
+ },
+
+ unregisterEventListener() {
+ this.eventNode.removeEventListener(this.eventName, this.eventFunc, false);
+ },
+
onPageletArrive(data, codeContainer) {
+ if(this.phase === 0) {
+ this.phase = 1;
+ this.registerEventListener();
+ }
+
let pageletHTML = codeContainer.innerHTML;
pageletHTML = pageletHTML.substring(5, pageletHTML.length - 4);
codeContainer.parentNode.removeChild(codeContainer);
@@ -281,10 +301,6 @@ BigPipe = (function() {
this.pagelets.push(pagelet);
- if(this.phase === 0) {
- this.phase = 1;
- }
-
if(pagelet.NEED.length === 0 || pagelet.NEED.every(function(needID) {
return BigPipe.done.indexOf(needID) !== -1;
})) {
@@ -339,12 +355,16 @@ BigPipe = (function() {
// Public-Access
//==============================================================================
return {
- onPageletArrive(data, codeContainer) {
- BigPipe.onPageletArrive(data, codeContainer);
+ setLastPageletEventNode(eventNode) {
+ BigPipe.eventNode = eventNode;
},
- onLastPageletArrived() {
- BigPipe.onLastPageletArrived();
+ setLastPageletEventName(eventName) {
+ BigPipe.eventName = eventName;
+ },
+
+ onPageletArrive(data, codeContainer) {
+ BigPipe.onPageletArrive(data, codeContainer);
},
reset() {
diff --git a/template/document.php b/template/document.php
new file mode 100644
index 0000000..f556bb6
--- /dev/null
+++ b/template/document.php
@@ -0,0 +1,44 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+ <meta charset="UTF-8" />
+ <meta name="referrer" content="origin-when-crossorigin" />
+ <meta name="viewport" content="width=device-width, initial-scale=1" />
+ <style>
+ html,body{margin:0;padding:0;}
+ html{font-size:1.25rem;color:#333;background:#CCC;-webkit-hyphens:auto;hyphens:auto;}
+ body{font-family:Ruda,sans-serif;font-size:0.7rem;line-height:1.0rem;}
+ blockquote,pre,code{font-family:"PT Mono",monospace;}
+ a{color:#0060A0;}a:focus{background:#CCC;text-decoration:underline;}
+ #container{background:#FFF;max-width:50rem;margin:0 auto;border:0.05rem solid #AAA;}
+ #main_header{background:#5E819F;}
+ </style>
+ <script src="static/bigpipe.js"></script>
+ <title>Example</title>
+</head>
+<body>
+<section id="container">
+ <header id="main_header">
+ <h1>BigPipe</h1>
+ <p>This is an example page to demonstrate how <em>BigPipe</em> works.</p>
+ <nav id="main_navi">
+ <ul>
+ <li><a href="#">Home</a></li>
+ <li><a href="#">Profile</a></li>
+ <li><a href="#">Settings</a></li>
+ </ul>
+ </nav>
+ </header>
+ <div id="main_container">
+ <main id="main_content">
+ <?="{$content_html}\n"?>
+ </main>
+ <aside id="main_sidebar">
+ <?="{$sidebar_html}\n"?>
+ </aside>
+ </div>
+ <footer id="main_footer">
+ Imprint | Footer
+ </footer>
+</section>
+<!-- We skip closing the <body> and <html> tags because the pagelets are getting flushed at this position. -->
diff --git a/test.php b/test.php
new file mode 100644
index 0000000..04a674a
--- /dev/null
+++ b/test.php
@@ -0,0 +1,66 @@
+<?php
+# >>> pagelets.php
+#===============================================================================
+# Autoload register for classes
+#===============================================================================
+spl_autoload_register(function($classname) {
+ $classname = str_replace('\\', '/', $classname);
+ require "include/classes/{$classname}.php";
+});
+
+#===============================================================================
+# Enable debugging mode
+#===============================================================================
+Application::$debugging = TRUE;
+
+#===============================================================================
+# Check if BigPipe should be disabled
+#===============================================================================
+if(isset($_GET['bigpipe']) AND $_GET['bigpipe'] === '0') {
+ # You can use this method to disable the pipeline for Googlebot or something
+ # else. If BigPipe is "disabled", then all pagelets will be rendered without
+ # being pipelined through the javascript library. The content of the pagelet
+ # will be present at the original position within the HTML response (and all
+ # external stylesheets and javascripts will be displayed as simple <link> or
+ # <script> elements within the HTML document).
+ BigPipe\BigPipe::enabled(FALSE);
+}
+
+#===============================================================================
+# Initialize pagelet instances
+#===============================================================================
+$DemoPagelet0 = Application::createPagelet('main_pagelet_0');
+$DemoPagelet1 = Application::createPagelet('main_pagelet_1');
+$DemoPagelet2 = Application::createPagelet('main_pagelet_2');
+$DemoPagelet3 = Application::createPagelet('side_pagelet_3');
+
+$Document = new Document();
+
+$Document->addPagelet($DemoPagelet0, function() {
+ return 'I am the first demo pagelet.';
+});
+
+$Document->addPagelet($DemoPagelet1, function() {
+ sleep(1); # simulate long execution of code (database queries, network communication, etc)
+ return 'I am the second demo pagelet and take very long to generate at server.';
+});
+
+$Document->addPagelet($DemoPagelet2, function() {
+ return 'I am the third demo pagelet.';
+});
+
+$Document->addPagelet($DemoPagelet3, function() {
+ sleep(1); # simulate long execution of code (database queries, network communication, etc)
+ return 'I am the fourth demo pagelet and I also take very long to generate at server.';
+});
+
+$content_html = "<ul>
+ <li>DemoPagelet0: {$DemoPagelet0}</li>
+ <li>DemoPagelet1: {$DemoPagelet1}</li>
+ <li>DemoPagelet2: {$DemoPagelet2}</li>
+ </ul>";
+
+$sidebar_html = "{$DemoPagelet3}";
+
+$Document->render($content_html, $sidebar_html);
+?> \ No newline at end of file