MOBILE-3814 core: Use waitForResizeDone on onWindowResize listener

src/addons/qtype/ddimageortext/classes/ddimageortext.ts

@@ -360,7 +360,7 @@ export class AddonQtypeDdImageOrTextQuestion {
         });
 
         this.resizeListener = CoreDomUtils.onWindowResize(() => {
-            this.windowResized();
+            this.repositionDragsForQuestion();
         });
     }
 
@@ -679,15 +679,6 @@ export class AddonQtypeDdImageOrTextQuestion {
         }
     }
 
-    /**
-     * Window resized.
-     */
-    async windowResized(): Promise<void> {
-        await CoreDomUtils.waitForResizeDone();
-
-        this.repositionDragsForQuestion();
-    }
-
 }
 
 /**

src/addons/qtype/ddmarker/classes/ddmarker.ts

@@ -611,7 +611,7 @@ export class AddonQtypeDdMarkerQuestion {
         });
 
         this.resizeListener = CoreDomUtils.onWindowResize(() => {
-            this.windowResized();
+            this.redrawDragsAndDrops();
         });
     }
 
@@ -879,15 +879,6 @@ export class AddonQtypeDdMarkerQuestion {
         }
     }
 
-    /**
-     * Window resized.
-     */
-    async windowResized(): Promise<void> {
-        await CoreDomUtils.waitForResizeDone();
-
-        this.redrawDragsAndDrops();
-    }
-
 }
 
 /**

src/addons/qtype/ddwtos/classes/ddwtos.ts

@@ -212,7 +212,7 @@ export class AddonQtypeDdwtosQuestion {
         this.positionDragItems();
 
         this.resizeListener = CoreDomUtils.onWindowResize(() => {
-            this.windowResized();
+            this.positionDragItems();
         });
     }
 
@@ -513,15 +513,6 @@ export class AddonQtypeDdwtosQuestion {
         });
     }
 
-    /**
-     * Window resized.
-     */
-    async windowResized(): Promise<void> {
-        await CoreDomUtils.waitForResizeDone();
-
-        this.positionDragItems();
-    }
-
 }
 
 /**

src/core/services/utils/dom.ts

@@ -276,7 +276,9 @@ export class CoreDomUtilsProvider {
      * @return Event observer to call off when finished.
      */
     onWindowResize(resizeFunction: (ev?: Event) => void, debounceDelay = 20): CoreEventObserver {
-        const resizeListener = CoreUtils.debounce((ev?: Event) => {
+        const resizeListener = CoreUtils.debounce(async (ev?: Event) => {
+            await this.waitForResizeDone();
+
             resizeFunction(ev);
         }, debounceDelay);
 
@@ -2153,6 +2155,7 @@ export class CoreDomUtilsProvider {
 
     /**
      * In iOS the resize event is triggered before the window size changes. Wait for the size to change.
+     * Use of this function is discouraged. Please use onWindowResize to check window resize event.
      *
      * @param windowWidth Initial window width.
      * @param windowHeight Initial window height.