From b8874fd1e0a19557c359fdc85bca76b6498872da Mon Sep 17 00:00:00 2001
From: Kamran Ahmed <kamranahmed.se@gmail.com>
Date: Sun, 14 May 2023 21:22:28 +0100
Subject: [PATCH] Add popover rendering

---
 index.html       |  6 ++++
 src/driver.ts    |  3 +-
 src/highlight.ts |  6 ++--
 src/popover.ts   | 90 ++++++++++++++++++++++++++++++++++++++++++++++--
 src/style.css    | 15 ++++++++
 5 files changed, 114 insertions(+), 6 deletions(-)

diff --git a/index.html b/index.html
index dfbc8a6..ceebcb0 100644
--- a/index.html
+++ b/index.html
@@ -285,6 +285,12 @@ npm install driver.js</pre
         .addEventListener("click", () => {
           driver({ animate: false }).highlight({
             element: "#large-paragraph-text",
+            popover: {
+              title: "driver.js",
+              description: "Highlight anything, anywhere on the page",
+              align: "end",
+              preferredPosition: "top",
+            },
           });
         });
 
diff --git a/src/driver.ts b/src/driver.ts
index 68f0f5a..ac1864d 100644
--- a/src/driver.ts
+++ b/src/driver.ts
@@ -1,4 +1,4 @@
-import { Popover } from "./popover";
+import { destroyPopover, Popover } from "./popover";
 import { destroyStage } from "./stage";
 import { destroyEvents, initEvents } from "./events";
 import { Config, configure, getConfig } from "./config";
@@ -52,6 +52,7 @@ export function driver(options: Config = {}) {
     );
 
     destroyEvents();
+    destroyPopover();
     destroyHighlight();
     destroyStage();
     destroyEmitter();
diff --git a/src/highlight.ts b/src/highlight.ts
index 1c997fa..d3acf39 100644
--- a/src/highlight.ts
+++ b/src/highlight.ts
@@ -50,13 +50,12 @@ function transferHighlight(from: Element, to: Element) {
       transitionStage(elapsed, duration, from, to);
     } else {
       trackActiveElement(to);
-      renderPopover(to);
 
       currentTransitionCallback = undefined;
     }
 
-    refreshStage();
-    refreshPopover();
+    // refreshStage();
+    // refreshPopover();
     window.requestAnimationFrame(animate);
   };
 
@@ -64,6 +63,7 @@ function transferHighlight(from: Element, to: Element) {
   window.requestAnimationFrame(animate);
 
   bringInView(to);
+  renderPopover(to);
 
   from.classList.remove("driver-active-element");
   to.classList.add("driver-active-element");
diff --git a/src/popover.ts b/src/popover.ts
index d8af4f4..a519d4c 100644
--- a/src/popover.ts
+++ b/src/popover.ts
@@ -1,3 +1,5 @@
+import { bringInView } from "./utils";
+
 export type Popover = {
   title?: string;
   description: string;
@@ -5,8 +7,92 @@ export type Popover = {
   align?: "start" | "center" | "end";
 };
 
+let popoverEl: HTMLElement | undefined;
+
 export function renderPopover(element: Element) {
-  console.log("rendering", element);
+  if (!popoverEl) {
+    const popover = createPopover();
+    document.body.appendChild(popover.popoverWrapper);
+
+    popoverEl = popover.popoverWrapper;
+  }
+
+  popoverEl.style.display = "block";
+  popoverEl.style.left = "0";
+  popoverEl.style.top = "0";
+  popoverEl.style.bottom = "";
+  popoverEl.style.right = "";
+
+  refreshPopover();
+  bringInView(popoverEl);
 }
 
-export function refreshPopover() {}
+export function refreshPopover() {
+  console.log("rendering popover");
+}
+
+function createPopover() {
+  const popoverWrapper = document.createElement("div");
+  popoverWrapper.classList.add("driver-popover");
+
+  const popoverTip = document.createElement("div");
+  popoverTip.classList.add("driver-popover-tip");
+
+  const popoverTitle = document.createElement("div");
+  popoverTitle.classList.add("driver-popover-title");
+  popoverTitle.innerText = "Popover Title";
+
+  const popoverDescription = document.createElement("div");
+  popoverDescription.classList.add("driver-popover-description");
+  popoverDescription.innerText = "Popover Description";
+
+  const popoverFooter = document.createElement("div");
+  popoverFooter.classList.add("driver-popover-footer");
+
+  const popoverCloseBtn = document.createElement("button");
+  popoverCloseBtn.classList.add("driver-popover-close-btn");
+  popoverCloseBtn.innerText = "Close";
+
+  const popoverFooterBtnGroup = document.createElement("span");
+  popoverFooterBtnGroup.classList.add("driver-popover-footer-btns");
+
+  const popoverPrevBtn = document.createElement("button");
+  popoverPrevBtn.classList.add("driver-popover-prev-btn");
+  popoverPrevBtn.innerHTML = "&larr; Previous";
+
+  const popoverNextBtn = document.createElement("button");
+  popoverNextBtn.classList.add("driver-popover-next-btn");
+  popoverNextBtn.innerHTML = "Next &rarr;";
+
+  popoverFooterBtnGroup.appendChild(popoverPrevBtn);
+  popoverFooterBtnGroup.appendChild(popoverNextBtn);
+
+  popoverFooter.appendChild(popoverCloseBtn);
+  popoverFooter.appendChild(popoverFooterBtnGroup);
+
+  popoverWrapper.appendChild(popoverTip);
+  popoverWrapper.appendChild(popoverTitle);
+  popoverWrapper.appendChild(popoverDescription);
+  popoverWrapper.appendChild(popoverFooter);
+
+  return {
+    popoverWrapper,
+    popoverTip,
+    popoverTitle,
+    popoverDescription,
+    popoverFooter,
+    popoverPrevBtn,
+    popoverNextBtn,
+    popoverCloseBtn,
+    popoverFooterBtnGroup,
+  };
+}
+
+export function destroyPopover() {
+  if (!popoverEl) {
+    return;
+  }
+
+  popoverEl.parentElement?.removeChild(popoverEl);
+  popoverEl = undefined;
+}
diff --git a/src/style.css b/src/style.css
index c38c9fa..eed7c4e 100644
--- a/src/style.css
+++ b/src/style.css
@@ -24,3 +24,18 @@
 .driver-fade .driver-stage {
   animation: animate-fade-in 100ms ease-in-out;
 }
+
+/* Popover styles */
+.driver-popover {
+  color: #2d2d2d;
+  margin: 0;
+  border-radius: 5px;
+  min-width: 250px;
+  max-width: 300px;
+  box-shadow: 0 1px 10px #0006;
+  z-index: 1000000000;
+  position: fixed;
+  top: 0;
+  right: 0;
+  background-color: #fff;
+}