implement progressbar

src/Entity/Browser/Container/Page.php

@@ -6,6 +6,7 @@ namespace Yggverse\Yoda\Entity\Browser\Container;
 
 use \Yggverse\Yoda\Entity\Browser\Container\Page\Title;
 use \Yggverse\Yoda\Entity\Browser\Container\Page\Navbar;
+use \Yggverse\Yoda\Entity\Browser\Container\Page\Progressbar;
 use \Yggverse\Yoda\Entity\Browser\Container\Page\Content;
 use \Yggverse\Yoda\Entity\Browser\Container\Page\Response;
 
@@ -19,6 +20,7 @@ class Page
     // Requirements
     public \Yggverse\Yoda\Entity\Browser\Container\Page\Title $title;
     public \Yggverse\Yoda\Entity\Browser\Container\Page\Navbar $navbar;
+    public \Yggverse\Yoda\Entity\Browser\Container\Page\Progressbar $progressbar;
     public \Yggverse\Yoda\Entity\Browser\Container\Page\Content $content;
     public \Yggverse\Yoda\Entity\Browser\Container\Page\Response $response;
 
@@ -59,6 +61,15 @@ class Page
             0
         );
 
+        // Init progress bar
+        $this->progressbar = new Progressbar(
+            $this
+        );
+
+        $this->gtk->add(
+            $this->progressbar->gtk
+        );
+
         // Init response bar
         $this->response = new Response(
             $this

src/Entity/Browser/Container/Page/Content.php

@@ -73,6 +73,9 @@ class Content
         bool $history = true
     ): void
     {
+        // Show progressbar
+        $this->page->progressbar->infinitive();
+
         // Parse address
         $address = new \Yggverse\Net\Address(
             $this->page->navbar->request->getValue()
@@ -412,5 +415,8 @@ class Content
             $this->page->title->getValue(),
             $this->page->title->getSubtitle(),
         );
+
+        // Hide progressbar
+        $this->page->progressbar->hide();
     }
 }

src/Entity/Browser/Container/Page/Progressbar.php

@@ -0,0 +1,123 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Yggverse\Yoda\Entity\Browser\Container\Page;
+
+class Progressbar
+{
+    public \GtkProgressBar $gtk;
+
+    // Dependencies
+    public \Yggverse\Yoda\Entity\Browser\Container\Page $page;
+
+    // Defaults
+    private bool $_active = false;
+
+    private float $_step = 0.02;
+
+    public function __construct(
+        \Yggverse\Yoda\Entity\Browser\Container\Page $page,
+    ) {
+        // Init dependencies
+        $this->page = $page;
+
+        // Init container
+        $this->gtk = new \GtkProgressBar;
+    }
+
+    public function start(): void
+    {
+        $this->_active = true;
+    }
+
+    public function stop(): void
+    {
+        $this->_active = false;
+    }
+
+    public function show(): void
+    {
+        $this->gtk->show(); // | set_opacity(1)
+    }
+
+    public function hide(): void
+    {
+        $this->stop(); // make sure iterator get stopped
+
+        $this->gtk->hide();  // | set_opacity(0)
+    }
+
+    public function infinitive(
+        int $timeout = 100,
+        bool $show = true
+    ): void
+    {
+        // Init visible
+        if ($show)
+        {
+            $this->gtk->show();
+        }
+
+        // Activate iterator
+        $this->_active = true;
+
+        // Begin iterator
+        \Gtk::timeout_add(
+            $timeout,
+            function()
+            {
+                if ($this->_active)
+                {
+                    $this->gtk->pulse();
+                }
+
+                else return false; // stop
+            }
+        );
+    }
+
+    public function progressive(
+        float $fraction = 0,
+        int $timeout = 100,
+        bool $show = true
+    ): void
+    {
+        // Init visible
+        if ($show)
+        {
+            $this->gtk->show();
+        }
+
+        // Activate iterator
+        $this->_active = true;
+
+        // Set initial progress
+        $this->gtk->set_fraction(
+            $fraction
+        );
+
+        // Begin iterator
+        \Gtk::timeout_add(
+            $timeout,
+            function()
+            {
+                if ($this->_active)
+                {
+                    // Update fraction step
+                    $this->gtk->set_fraction(
+                        $fraction = $this->gtk->get_fraction() + $this->_step
+                    );
+
+                    // Deactivate loop on progress complete
+                    if ($fraction >= 1)
+                    {
+                        $this->_active = false;
+                    }
+                }
+
+                else return false; // stop
+            }
+        );
+    }
+}