1 files changed, 74 insertions, 0 deletions
diff --git a/include/classes/BigPipe/Resource.php b/include/classes/BigPipe/Resource.php
new file mode 100755
index 0000000..d93ad16
--- /dev/null
+++ b/include/classes/BigPipe/Resource.php
@@ -0,0 +1,74 @@
+<?php
+namespace BigPipe;
+
+abstract class Resource {
+	private $ID           = '';
+	private $type         = '';
+	private $resourceURL  = '';
+	private $phaseDoneJS  = [];
+	private static $count = 0;
+
+	#===============================================================================
+	# Render resource HTML for disabled pipeline
+	#===============================================================================
+	abstract public function renderHTML();
+
+	#===============================================================================
+	# Resource types
+	#===============================================================================
+	const TYPE_STYLESHEET = 0;
+	const TYPE_JAVASCRIPT = 1;
+
+	#===============================================================================
+	# Phase numbers for PhaseDoneJS
+	#===============================================================================
+	const PHASE_INIT = 0; # Resource object has been initialized
+	const PHASE_LOAD = 1; # Loading of resource has been started
+	const PHASE_DONE = 2; # Loading of resource is done.
+
+	#===============================================================================
+	# Build resource
+	#===============================================================================
+	public function __construct($type, $resourceURL) {
+		$this->phaseDoneJS = array_pad($this->phaseDoneJS, 3, []);
+		$this->ID = 'R'.++self::$count;
+		$this->type = $type;
+		$this->resourceURL = $resourceURL;
+	}
+
+	#===============================================================================
+	# Return the unique ID
+	#===============================================================================
+	public function getID() {
+		return $this->ID;
+	}
+
+	#===============================================================================
+	# Return the resource type
+	#===============================================================================
+	public function getType() {
+		return $this->type;
+	}
+
+	#===============================================================================
+	# Return the resource URL
+	#===============================================================================
+	public function getURL() {
+		return $this->resourceURL;
+	}
+
+	#===============================================================================
+	# Attach a PhaseDoneJS callback
+	#===============================================================================
+	public function addPhaseDoneJS($phase, $callback) {
+		return $this->phaseDoneJS[$phase][] = removeLineBreaksAndTabs($callback);
+	}
+
+	#===============================================================================
+	# Return all registered PhaseDoneJS callbacks
+	#===============================================================================
+	public function getPhaseDoneJS() {
+		return $this->phaseDoneJS;
+	}
+}
+?>
+\ No newline at end of file