MOBILE-4015 core: Support data-app-url attribute

src/core/directives/aria-button.ts

@@ -13,6 +13,7 @@
 // limitations under the License.
 
 import { Directive, ElementRef, OnInit, Output, EventEmitter } from '@angular/core';
+import { CoreDom } from '@singletons/dom';
 
 /**
  * Directive to emulate click and key actions following aria role button.
@@ -36,22 +37,7 @@ export class CoreAriaButtonClickDirective implements OnInit {
      * Initialize actions.
      */
     ngOnInit(): void {
-        this.element.addEventListener('click', async (event) => {
-            this.ariaButtonClick.emit(event);
-        });
-
-        this.element.addEventListener('keydown', async (event) => {
-            if ((event.key == ' ' || event.key == 'Enter')) {
-                event.preventDefault();
-                event.stopPropagation();
-            }
-        });
-
-        this.element.addEventListener('keyup', async (event) => {
-            if ((event.key == ' ' || event.key == 'Enter')) {
-                this.ariaButtonClick.emit(event);
-            }
-        });
+        CoreDom.onActivate(this.element, (event) => this.ariaButtonClick.emit(event));
     }
 
 }

src/core/directives/format-text.ts

@@ -452,9 +452,16 @@ export class CoreFormatTextDirective implements OnChanges, OnDestroy, AsyncCompo
         const svgImages = Array.from(div.querySelectorAll('image'));
         const promises: Promise<void>[] = [];
 
+        this.treatAppUrlElements(div, site);
+
         // Walk through the content to find the links and add our directive to it.
         // Important: We need to look for links first because in 'img' we add new links without core-link.
         anchors.forEach((anchor) => {
+            if (anchor.getAttribute('data-app-url')) {
+                // Link already treated in data-app-url, ignore it.
+                return;
+            }
+
             // Angular 2 doesn't let adding directives dynamically. Create the CoreLinkDirective manually.
             const linkDir = new CoreLinkDirective(new ElementRef(anchor), this.content);
             linkDir.capture = this.captureLinks ?? true;
@@ -546,6 +553,57 @@ export class CoreFormatTextDirective implements OnChanges, OnDestroy, AsyncCompo
         await Promise.all(promises);
     }
 
+    /**
+     * Treat elements with an app-url data attribute.
+     *
+     * @param div Div containing the elements.
+     * @param site Site.
+     */
+    protected treatAppUrlElements(div: HTMLElement, site?: CoreSite): void {
+        const appUrlElements = Array.from(div.querySelectorAll<HTMLElement>('*[data-app-url]'));
+
+        appUrlElements.forEach((element) => {
+            const url = element.getAttribute('data-app-url');
+            if (!url) {
+                return;
+            }
+
+            if (element.tagName !== 'BUTTON' && element.tagName !== 'A') {
+                element.setAttribute('tabindex', '0');
+                element.setAttribute('role', 'button');
+            }
+
+            CoreDom.onActivate(element, async (event) => {
+                event.preventDefault();
+                event.stopPropagation();
+
+                site = site || CoreSites.getCurrentSite();
+                if (!site) {
+                    return;
+                }
+
+                const confirmMessage = element.getAttribute('data-app-url-confirm');
+                const openInApp = element.getAttribute('data-open-in') === 'app';
+
+                if (confirmMessage) {
+                    try {
+                        await CoreDomUtils.showConfirm(Translate.instant(confirmMessage));
+                    } catch {
+                        return;
+                    }
+                }
+
+                if (openInApp) {
+                    site.openInAppWithAutoLoginIfSameSite(url);
+                } else {
+                    site.openInBrowserWithAutoLoginIfSameSite(url, undefined, {
+                        showBrowserWarning: !confirmMessage,
+                    });
+                }
+            });
+        });
+    }
+
     /**
      * Returns the element width in pixels.
      *

src/core/directives/link.ts

@@ -48,7 +48,7 @@ export class CoreLinkDirective implements OnInit {
     @Input() autoLogin = 'check';
     @Input() showBrowserWarning = true; // Whether to show a warning before opening browser. Defaults to true.
 
-    protected element: Element;
+    protected element: HTMLElement;
 
     constructor(
         element: ElementRef,
@@ -68,22 +68,7 @@ export class CoreLinkDirective implements OnInit {
             this.element.setAttribute('role', 'button');
         }
 
-        this.element.addEventListener('click', async (event) => {
-            this.performAction(event);
-        });
-
-        this.element.addEventListener('keydown', (event: KeyboardEvent) => {
-            if ((event.key == ' ' || event.key == 'Enter')) {
-                event.preventDefault();
-                event.stopPropagation();
-            }
-        });
-
-        this.element.addEventListener('keyup', (event: KeyboardEvent) => {
-            if ((event.key == ' ' || event.key == 'Enter')) {
-                this.performAction(event);
-            }
-        });
+        CoreDom.onActivate(this.element, (event) => this.performAction(event));
     }
 
     /**

src/core/singletons/dom.ts

@@ -481,6 +481,29 @@ export class CoreDom {
         );
     }
 
+    /**
+     * Listen to click and Enter/Space keys in an element.
+     *
+     * @param element Element to listen to events.
+     * @param callback Callback to call when clicked or the key is pressed.
+     */
+    static onActivate(element: HTMLElement, callback: (event: MouseEvent | KeyboardEvent) => void): void {
+        element.addEventListener('click', (event) => callback(event));
+
+        element.addEventListener('keydown', (event) => {
+            if ((event.key == ' ' || event.key == 'Enter')) {
+                event.preventDefault();
+                event.stopPropagation();
+            }
+        });
+
+        element.addEventListener('keyup', (event) => {
+            if ((event.key == ' ' || event.key == 'Enter')) {
+                callback(event);
+            }
+        });
+    }
+
 }
 
 /**