fix(#69): override slide width programmatically

Author: peterpeterparker

webcomponents/core/src/components/deck/deckdeckgo-deck/deckdeckgo-deck.tsx

@@ -59,7 +59,7 @@ export class DeckdeckgoDeck {
   }
 
   async componentDidLoad() {
-    await this.initEmbeddedSlideWidth();
+    await this.initSlideWidth();
 
     this.initWindowResize();
     this.initKeyboardAssist();
@@ -79,7 +79,7 @@ export class DeckdeckgoDeck {
   private initWindowResize() {
     if (window) {
       window.addEventListener('resize', DeckdeckgoUtils.debounce(async () => {
-        await this.initEmbeddedSlideWidth();
+        await this.initSlideWidth();
         await this.slideTo(this.activeIndex);
 
         const toggleFullscreen: boolean = DeckdeckgoUtils.isFullscreen();
@@ -89,26 +89,57 @@ export class DeckdeckgoDeck {
     }
   }
 
-  private initEmbeddedSlideWidth(): Promise<void> {
-    return new Promise<void>((resolve) => {
-      if (!this.embedded) {
+  private initSlideWidth(): Promise<void> {
+    return new Promise<void>(async (resolve) => {
+      const slider: HTMLElement = this.el.shadowRoot.querySelector('div.deckgo-deck');
+
+      if (!slider) {
         resolve();
         return;
       }
 
-      const slider: HTMLElement = this.el.shadowRoot.querySelector('div.deckgo-deck');
+      if (!this.embedded) {
+        await this.initSlideWidthStandard(slider);
+      } else {
+        await this.initSlideWidthEmbedded(slider);
+      }
+
+      resolve();
+    });
+  }
 
-      if (!slider || !slider.offsetParent) {
+  private initSlideWidthStandard(slider: HTMLElement): Promise<void> {
+    return new Promise<void>((resolve) => {
+      if (!window || !screen) {
         resolve();
         return;
       }
 
-      if (slider.offsetParent.clientWidth > 0) {
-        slider.style.setProperty('--slide-width', '' + slider.offsetParent.clientWidth + 'px');
+      if (DeckdeckgoUtils.isIOS()) {
+        slider.style.setProperty('--slide-width', '' + screen.width + 'px');
+      } else {
+        slider.style.setProperty('--slide-width', '' + window.innerWidth + 'px');
+      }
+
+      resolve();
+    });
+  }
+
+  private initSlideWidthEmbedded(slider: HTMLElement): Promise<void> {
+    return new Promise<void>((resolve) => {
+      if (!slider.offsetParent) {
+        resolve();
+        return;
       }
 
-      if (slider.offsetParent.clientHeight) {
-        slider.style.setProperty('--slide-height', '' + slider.offsetParent.clientHeight + 'px');
+      if (slider.offsetParent) {
+        if (slider.offsetParent.clientWidth > 0) {
+          slider.style.setProperty('--slide-width', '' + slider.offsetParent.clientWidth + 'px');
+        }
+
+        if (slider.offsetParent.clientHeight) {
+          slider.style.setProperty('--slide-height', '' + slider.offsetParent.clientHeight + 'px');
+        }
       }
 
       resolve();

webcomponents/core/src/components/utils/deckdeckgo-utils.tsx

@@ -87,6 +87,16 @@ export class DeckdeckgoUtils {
     return (/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od|ad)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino/i.test(a) || /1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(a.substr(0, 4)));
   }
 
+  static isIOS(): boolean {
+    if (!window || !navigator) {
+      return false;
+    }
+
+    const a: string = navigator.userAgent || navigator.vendor || (window as any).opera;
+
+    return /iPad|iPhone|iPod/i.test(a);
+  }
+
   static isFullscreen(): boolean {
     if (!window || !screen) {
       return false;