From ade339bf1ba908d52979d5f8bd28a11c2c2d2c17 Mon Sep 17 00:00:00 2001
From: Pierre HUBERT <pierre.git@communiquons.org>
Date: Fri, 10 Apr 2020 14:03:28 +0200
Subject: [PATCH] Made the window draggable

---
 assets/js/components/calls/window.js | 74 +++++++++++++++++++++++++++-
 1 file changed, 72 insertions(+), 2 deletions(-)

diff --git a/assets/js/components/calls/window.js b/assets/js/components/calls/window.js
index 66bcbc40..a0a05398 100644
--- a/assets/js/components/calls/window.js
+++ b/assets/js/components/calls/window.js
@@ -36,7 +36,7 @@ class CallWindow extends CustomEvents {
 
 		
 		// Construct head
-		const windowHead = createElem2({
+		this.windowHead = createElem2({
 			appendTo: this.rootEl,
 			type: "div",
 			class: "head",
@@ -47,12 +47,82 @@ class CallWindow extends CustomEvents {
 
 		// Close button
 		this.closeButton = createElem2({
-			appendTo: windowHead.querySelector(".pull-right"),
+			appendTo: this.windowHead.querySelector(".pull-right"),
 			type: "a",
 			innerHTML: "<i class='fa fa-times'></i>",
 			onclick: () => this.Close()
 		})
 
+		this.makeWindowDraggable()	
+	}
+
+	/**
+	 * Make the call window draggable
+	 */
+	makeWindowDraggable() {
+
+		const checkWindowMinPosition = () => {
+
+			if(window.innerHeight < this.rootEl.style.top.replace("px", ""))
+				this.rootEl.style.top = "0px";
+			
+			if(window.innerWidth < this.rootEl.style.left.replace("px", ""))
+				this.rootEl.style.left = "0px";
+
+			if(this.rootEl.style.left.replace("px", "") < 0)
+				this.rootEl.style.left = "0px";
+
+			if(this.rootEl.style.top.replace("px", "") < 49)
+				this.rootEl.style.top = "50px";
+		}
+
+		//Enable dragging
+		{
+			var pos1 = 0, pos2 = 0, pos3 = 0, pos4 = 0;
+
+			this.windowHead.addEventListener("mousedown", (e) => {
+				e = e || window.event;
+				e.preventDefault();
+
+				//Check if the window is currently in full screen mode
+				if(IsFullScreen())
+					return; 
+
+				//get the mouse cursor position at startup
+				pos3 = e.clientX;
+				pos4 = e.clientY;
+				document.onmouseup = closeDragElement;
+				document.onmousemove = elementDrag;
+			});
+
+			const elementDrag = (e) => {
+				e = e || window.event;
+				e.preventDefault();
+
+				//Calculate new cursor position
+				pos1 = pos3 - e.clientX;
+				pos2 = pos4 - e.clientY;
+				pos3 = e.clientX;
+				pos4 = e.clientY;
+
+				//Set element new position
+				this.rootEl.style.top = (this.rootEl.offsetTop - pos2) + "px";
+				this.rootEl.style.left = (this.rootEl.offsetLeft - pos1) + "px";
+
+				checkWindowMinPosition();
+			}
+
+			const closeDragElement = () => {
+
+				//Stop moving when mouse button is released
+				document.onmouseup = null;
+				document.onmousemove = null;
+			}
+		}
+
+		window.addEventListener("resize", () => {
+			checkWindowMinPosition();
+		});
 	}
 
 	/**