Merge pull request #3140 from crazyserver/MOBILE-3996

Mobile 3996

src/addons/mod/assign/components/index/addon-mod-assign-index.html

@@ -127,6 +127,6 @@
     </addon-mod-assign-submission>
 </core-loading>
 
-<core-course-module-navigation [hidden]="showLoading" [courseId]="courseId" [currentModule]="module"
+<core-course-module-navigation collapsible-footer [hidden]="showLoading" [courseId]="courseId" [currentModule]="module"
     (completionChanged)="onCompletionChange()">
 </core-course-module-navigation>

src/addons/mod/bigbluebuttonbn/components/index/index.html

@@ -112,6 +112,6 @@
     </ng-container>
 </core-loading>
 
-<core-course-module-navigation [hidden]="showLoading" [courseId]="courseId" [currentModule]="module"
+<core-course-module-navigation collapsible-footer [hidden]="showLoading" [courseId]="courseId" [currentModule]="module"
     (completionChanged)="onCompletionChange()">
 </core-course-module-navigation>

src/addons/mod/book/components/index/addon-mod-book-index.html

@@ -41,6 +41,6 @@
 
 </core-loading>
 
-<core-course-module-navigation [hidden]="showLoading" [courseId]="courseId" [currentModule]="module"
+<core-course-module-navigation collapsible-footer [hidden]="showLoading" [courseId]="courseId" [currentModule]="module"
     (completionChanged)="onCompletionChange()">
 </core-course-module-navigation>

src/addons/mod/book/pages/contents/contents.html

@@ -21,9 +21,8 @@
         <ion-refresher-content pullingText="{{ 'core.pulltorefresh' | translate }}"></ion-refresher-content>
     </ion-refresher>
 
-    <core-loading [hideUntil]="loaded" class="core-loading-full-height">
+    <core-loading [hideUntil]="loaded">
         <div class="safe-area-padding-horizontal core-swipe-slides-container">
-
             <ion-card class="core-warning-card" *ngIf="warning">
                 <ion-item>
                     <ion-icon name="fas-exclamation-triangle" slot="start" aria-hidden="true"></ion-icon>
@@ -31,11 +30,6 @@
                 </ion-item>
             </ion-card>
 
-            <core-navigation-bar *ngIf="displayNavBar" [items]="navigationItems" [showTitles]="displayTitlesInNavBar"
-                previousTranslate="addon.mod_book.navprevtitle" nextTranslate="addon.mod_book.navnexttitle"
-                (action)="changeChapter($event.id)">
-            </core-navigation-bar>
-
             <core-swipe-slides [manager]="manager" [options]="slidesOpts">
                 <ng-template let-chapter="item">
                     <div class="ion-padding">
@@ -50,4 +44,9 @@
             </core-swipe-slides>
         </div>
     </core-loading>
+
+    <core-navigation-bar collapsible-footer *ngIf="loaded && displayNavBar && navigationItems.length > 1" [items]="navigationItems"
+        previousTranslate="addon.mod_book.navprevtitle" nextTranslate="addon.mod_book.navnexttitle" (action)="changeChapter($event.id)"
+        slot="fixed">
+    </core-navigation-bar>
 </ion-content>

src/addons/mod/book/pages/contents/contents.scss

@@ -1,6 +1,12 @@
 :host {
+    core-loading ::ng-deep .core-loading-content {
+        min-height: 100%;
+        display: flex;
+        flex-direction: column;
+    }
+
     .core-swipe-slides-container {
-        ion-card, core-navigation-bar {
+        ion-card {
             flex: none;
         }
     }

src/addons/mod/book/pages/contents/contents.ts

@@ -62,7 +62,6 @@ export class AddonModBookContentsPage implements OnInit, OnDestroy {
     warning = '';
     displayNavBar = true;
     navigationItems: CoreNavigationBarItem<AddonModBookTocChapter>[] = [];
-    displayTitlesInNavBar = false;
     slidesOpts: CoreSwipeSlidesOptions = {
         autoHeight: true,
         scrollOnChange: 'top',
@@ -135,7 +134,6 @@ export class AddonModBookContentsPage implements OnInit, OnDestroy {
             const downloadResult = await this.downloadResourceIfNeeded(module, refresh);
 
             this.displayNavBar = book.navstyle != AddonModBookNavStyle.TOC_ONLY;
-            this.displayTitlesInNavBar = book.navstyle == AddonModBookNavStyle.TEXT;
             this.title = book.name;
 
             // Get contents. No need to refresh, it has been done in downloadResourceIfNeeded.

src/addons/mod/chat/components/index/addon-mod-chat-index.html

@@ -30,6 +30,6 @@
     </ng-container>
 </core-loading>
 
-<core-course-module-navigation [hidden]="showLoading" [courseId]="courseId" [currentModule]="module"
+<core-course-module-navigation collapsible-footer [hidden]="showLoading" [courseId]="courseId" [currentModule]="module"
     (completionChanged)="onCompletionChange()">
 </core-course-module-navigation>

src/addons/mod/choice/components/index/addon-mod-choice-index.html

@@ -135,7 +135,7 @@
     </ion-card>
 </core-loading>
 
-<core-course-module-navigation [hidden]="showLoading" [courseId]="courseId" [currentModule]="module"
+<core-course-module-navigation collapsible-footer [hidden]="showLoading" [courseId]="courseId" [currentModule]="module"
     (completionChanged)="onCompletionChange()">
 </core-course-module-navigation>
 

src/addons/mod/data/components/index/addon-mod-data-index.html

@@ -120,7 +120,7 @@
 
 </core-loading>
 
-<core-course-module-navigation [hidden]="showLoading" [courseId]="courseId" [currentModule]="module"
+<core-course-module-navigation collapsible-footer [hidden]="showLoading" [courseId]="courseId" [currentModule]="module"
     (completionChanged)="onCompletionChange()">
 </core-course-module-navigation>
 

src/addons/mod/feedback/components/index/addon-mod-feedback-index.html

@@ -35,7 +35,7 @@
     </core-tabs>
 </core-loading>
 
-<core-course-module-navigation [hidden]="showLoading" [courseId]="courseId" [currentModule]="module"
+<core-course-module-navigation collapsible-footer [hidden]="showLoading" [courseId]="courseId" [currentModule]="module"
     (completionChanged)="onCompletionChange()">
 </core-course-module-navigation>
 

src/addons/mod/folder/components/index/addon-mod-folder-index.html

@@ -32,6 +32,6 @@
 
 </core-loading>
 
-<core-course-module-navigation [hidden]="showLoading" [courseId]="courseId" [currentModule]="module"
+<core-course-module-navigation collapsible-footer [hidden]="showLoading" [courseId]="courseId" [currentModule]="module"
     (completionChanged)="onCompletionChange()">
 </core-course-module-navigation>

src/addons/mod/forum/components/index/index.html

@@ -114,7 +114,7 @@
         </ng-container>
     </core-loading>
 
-    <core-course-module-navigation [hidden]="showLoading" [courseId]="courseId" [currentModule]="module"
+    <core-course-module-navigation collapsible-footer [hidden]="showLoading" [courseId]="courseId" [currentModule]="module"
         (completionChanged)="onCompletionChange()">
     </core-course-module-navigation>
 

src/addons/mod/glossary/components/index/addon-mod-glossary-index.html

@@ -72,7 +72,7 @@
         </core-infinite-loading>
     </core-loading>
 
-    <core-course-module-navigation [hidden]="showLoading" [courseId]="courseId" [currentModule]="module"
+    <core-course-module-navigation collapsible-footer [hidden]="showLoading" [courseId]="courseId" [currentModule]="module"
         (completionChanged)="onCompletionChange()">
     </core-course-module-navigation>
 

src/addons/mod/h5pactivity/components/index/addon-mod-h5pactivity-index.html

@@ -68,6 +68,6 @@
     </core-h5p-iframe>
 </core-loading>
 
-<core-course-module-navigation [hidden]="showLoading" [courseId]="courseId" [currentModule]="module"
+<core-course-module-navigation collapsible-footer [hidden]="showLoading" [courseId]="courseId" [currentModule]="module"
     (completionChanged)="onCompletionChange()">
 </core-course-module-navigation>

src/addons/mod/imscp/components/index/addon-mod-imscp-index.html

@@ -10,7 +10,7 @@
 </core-navbar-buttons>
 
 <!-- Content. -->
-<core-loading [hideUntil]="!showLoading" class="safe-area-padding">
+<core-loading [hideUntil]="!showLoading" class="safe-area-padding core-loading-full-height">
 
     <!-- Activity info. -->
     <core-course-module-info [module]="module">
@@ -24,12 +24,14 @@
     </ion-card>
 
     <div class="addon-mod-imscp-container">
-        <core-navigation-bar [items]="navigationItems" (action)="loadItem($event)">
-        </core-navigation-bar>
         <core-iframe *ngIf="!showLoading" [src]="src" [showFullscreenOnToolbar]="true" [autoFullscreenOnRotate]="true"></core-iframe>
     </div>
 </core-loading>
 
-<core-course-module-navigation [hidden]="showLoading" [courseId]="courseId" [currentModule]="module"
+<!-- TODO Add a contents page to avoid having both bars -->
+<core-navigation-bar collapsible-footer *ngIf="!showLoading && navigationItems.length > 1 && false" [items]="navigationItems"
+    (action)="loadItem($event)">
+</core-navigation-bar>
+<core-course-module-navigation collapsible-footer [hidden]="showLoading" [courseId]="courseId" [currentModule]="module"
     (completionChanged)="onCompletionChange()">
 </core-course-module-navigation>

src/addons/mod/lesson/components/index/addon-mod-lesson-index.html

@@ -279,6 +279,6 @@
     </core-tabs>
 </core-loading>
 
-<core-course-module-navigation [hidden]="showLoading" [courseId]="courseId" [currentModule]="module"
+<core-course-module-navigation collapsible-footer [hidden]="showLoading" [courseId]="courseId" [currentModule]="module"
     (completionChanged)="onCompletionChange()">
 </core-course-module-navigation>

src/addons/mod/lti/components/index/addon-mod-lti-index.html

@@ -21,6 +21,6 @@
     </div>
 </core-loading>
 
-<core-course-module-navigation [hidden]="showLoading" [courseId]="courseId" [currentModule]="module"
+<core-course-module-navigation collapsible-footer [hidden]="showLoading" [courseId]="courseId" [currentModule]="module"
     (completionChanged)="onCompletionChange()">
 </core-course-module-navigation>

src/addons/mod/page/components/index/addon-mod-page-index.html

@@ -32,6 +32,6 @@
 
 </core-loading>
 
-<core-course-module-navigation [hidden]="showLoading" [courseId]="courseId" [currentModule]="module"
+<core-course-module-navigation collapsible-footer [hidden]="showLoading" [courseId]="courseId" [currentModule]="module"
     (completionChanged)="onCompletionChange()">
 </core-course-module-navigation>

src/addons/mod/quiz/components/index/addon-mod-quiz-index.html

@@ -206,6 +206,6 @@
     </ion-card>
 </core-loading>
 
-<core-course-module-navigation [hidden]="showLoading" [courseId]="courseId" [currentModule]="module"
+<core-course-module-navigation collapsible-footer [hidden]="showLoading" [courseId]="courseId" [currentModule]="module"
     (completionChanged)="onCompletionChange()">
 </core-course-module-navigation>

src/addons/mod/resource/components/index/addon-mod-resource-index.html

@@ -97,6 +97,6 @@
     </ng-container>
 </core-loading>
 
-<core-course-module-navigation [hidden]="showLoading" [courseId]="courseId" [currentModule]="module"
+<core-course-module-navigation collapsible-footer [hidden]="showLoading" [courseId]="courseId" [currentModule]="module"
     (completionChanged)="onCompletionChange()">
 </core-course-module-navigation>

src/addons/mod/scorm/components/index/addon-mod-scorm-index.html

@@ -217,6 +217,6 @@
     </ng-container>
 </core-loading>
 
-<core-course-module-navigation [hidden]="showLoading" [courseId]="courseId" [currentModule]="module"
+<core-course-module-navigation collapsible-footer [hidden]="showLoading" [courseId]="courseId" [currentModule]="module"
     (completionChanged)="onCompletionChange()">
 </core-course-module-navigation>

src/addons/mod/scorm/pages/player/player.html

@@ -20,13 +20,15 @@
     </ion-toolbar>
 </ion-header>
 <ion-content>
-    <core-loading [hideUntil]="loaded">
+    <core-loading [hideUntil]="loaded" class="core-loading-full-height">
-        <core-navigation-bar [items]="navigationItems" (action)="loadSco($event)"></core-navigation-bar>
-
         <core-iframe *ngIf="loaded && src" [src]="src" [iframeWidth]="scormWidth" [iframeHeight]="scormHeight"
             [showFullscreenOnToolbar]="true" [autoFullscreenOnRotate]="true">
         </core-iframe>
 
         <p *ngIf="!src && errorMessage">{{ errorMessage | translate }}</p>
     </core-loading>
+
+    <core-navigation-bar collapsible-footer *ngIf="loaded && navigationItems.length > 1" [items]="navigationItems"
+        (action)="loadSco($event)" slot="fixed">
+    </core-navigation-bar>
 </ion-content>

src/addons/mod/survey/components/index/addon-mod-survey-index.html

@@ -131,6 +131,6 @@
 
 </core-loading>
 
-<core-course-module-navigation [hidden]="showLoading" [courseId]="courseId" [currentModule]="module"
+<core-course-module-navigation collapsible-footer [hidden]="showLoading" [courseId]="courseId" [currentModule]="module"
     (completionChanged)="onCompletionChange()">
 </core-course-module-navigation>

src/addons/mod/url/components/index/addon-mod-url-index.html

@@ -46,6 +46,6 @@
     </ion-list>
 </core-loading>
 
-<core-course-module-navigation [hidden]="showLoading" [courseId]="courseId" [currentModule]="module"
+<core-course-module-navigation collapsible-footer [hidden]="showLoading" [courseId]="courseId" [currentModule]="module"
     (completionChanged)="onCompletionChange()">
 </core-course-module-navigation>

src/addons/mod/wiki/components/index/addon-mod-wiki-index.html

@@ -71,7 +71,7 @@
     </div>
 </core-loading>
 
-<core-course-module-navigation [hidden]="showLoading" [courseId]="courseId" [currentModule]="module"
+<core-course-module-navigation collapsible-footer [hidden]="showLoading" [courseId]="courseId" [currentModule]="module"
     (completionChanged)="onCompletionChange()">
 </core-course-module-navigation>
 

src/addons/mod/workshop/components/index/addon-mod-workshop-index.html

@@ -233,6 +233,6 @@
     </div>
 </core-loading>
 
-<core-course-module-navigation [hidden]="showLoading" [courseId]="courseId" [currentModule]="module"
+<core-course-module-navigation collapsible-footer [hidden]="showLoading" [courseId]="courseId" [currentModule]="module"
     (completionChanged)="onCompletionChange()">
 </core-course-module-navigation>

src/core/classes/tabs.ts

@@ -85,7 +85,8 @@ export class CoreTabsBaseComponent<T extends CoreTabBase> implements OnInit, Aft
     protected firstSelectedTab?: string; // ID of the first selected tab to control history.
     protected backButtonFunction: (event: BackButtonEvent) => void;
     protected languageChangedSubscription?: Subscription;
-    protected isInTransition = false; // Weather Slides is in transition.
+    // Swiper 6 documentation: https://swiper6.vercel.app/
+    protected isInTransition = false; // Wether Slides is in transition.
     protected slidesSwiper: any; // eslint-disable-line @typescript-eslint/no-explicit-any
     protected slidesSwiperLoaded = false;
     protected scrollElements: Record<string | number, HTMLElement> = {}; // Scroll elements for each loaded tab.

src/core/components/navigation-bar/core-navigation-bar.html

@@ -1,27 +1,17 @@
-<ion-row class="ion-justify-content-between ion-align-items-center ion-no-padding"
+<ion-row class="ion-justify-content-between ion-align-items-center ion-no-padding ion-wrap" *ngIf="items.length > 1">
-    *ngIf="previousIndex >= 0 || nextIndex >= 0 || items.length > 1">
+    <ion-col class="ion-text-start ion-no-padding core-navigation-arrow" size="auto">
-    <ion-col class="ion-text-start ion-padding-end" [size]="showTitles ? 4 : 3">
+        <ion-button [disabled]="previousIndex < 0" fill="clear" color="dark" [attr.aria-label]="previousTitle"
-        <ion-button *ngIf="previousIndex >=0" class="core-navigation-bar-arrow" fill="clear" [attr.aria-label]="previousTitle"
             (click)="navigate(previousIndex)">
-            <ion-icon name="fas-arrow-left" [slot]="showTitles ? 'start' : 'icon-only'" aria-hidden="true"></ion-icon>
+            <ion-icon name="fas-chevron-left" slot="icon-only" aria-hidden="true"></ion-icon>
-            <core-format-text *ngIf="showTitles" [text]="previousTitle" [component]="component" [componentId]="componentId"
-                [contextLevel]="contextLevel" [contextInstanceId]="contextInstanceId" [courseId]="courseId" aria-hidden="true">
-            </core-format-text>
         </ion-button>
     </ion-col>
-    <ion-col class="ion-text-center" [size]="showTitles ? 4 : 6">
+    <ion-col class="ion-text-center">
-        <ion-range min="0" [max]="items.length -1" debounce="500" snaps="true" (ionChange)="navigateOnRange($event.target)"
+        <core-progress-bar [progress]="progress" [text]="progressText" *ngIf="currentIndex >= 0">
-            [value]="currentIndex">
+        </core-progress-bar>
-            <p slot="end">{{currentIndex + 1}} / {{items.length}}</p>
-        </ion-range>
     </ion-col>
-    <ion-col class="ion-text-end ion-padding-start" [size]="showTitles ? 4 : 3">
+    <ion-col class="ion-text-end ion-no-padding core-navigation-arrow" size="auto">
-        <ion-button fill="clear" *ngIf="nextIndex >= 0" class="core-navigation-bar-arrow" [attr.aria-label]="nextTitle"
+        <ion-button [disabled]="nextIndex < 0" fill="clear" color="dark" [attr.aria-label]="nextTitle" (click)="navigate(nextIndex)">
-            (click)="navigate(nextIndex)">
+            <ion-icon name="fas-chevron-right" slot="icon-only" aria-hidden="true"></ion-icon>
-            <core-format-text *ngIf="showTitles" [text]="nextTitle" [component]="component" [componentId]="componentId"
-                [contextLevel]="contextLevel" [contextInstanceId]="contextInstanceId" [courseId]="courseId" aria-hidden="true">
-            </core-format-text>
-            <ion-icon name="fas-arrow-right" [slot]="showTitles ? 'end' : 'icon-only'" aria-hidden="true"></ion-icon>
         </ion-button>
     </ion-col>
 </ion-row>

src/core/components/navigation-bar/navigation-bar.scss

@@ -1,15 +1,19 @@
-:host {
+@import "~theme/globals";
-    --background: var(--core-course-module-navigation-background);
 
+:host {
+    --height: var(--core-navigation-max-height);
+    --background: var(--core-navigation-background);
+    --button-vertical-margin: 2px;
+
+    height: var(--height);
     width: 100%;
     background-color: var(--background);
     display: block;
+    border-top: 1px solid var(--stroke);
 
-    .core-navigation-bar-arrow {
+    ion-button,
-        text-transform: none;
+    ::ng-deep ion-button {
-        max-width: 100%;
+        margin-top: var(--button-vertical-margin);
-        ion-icon {
+        margin-bottom: var(--button-vertical-margin);
-            flex-shrink: 0;
-        }
     }
 }

src/core/components/navigation-bar/navigation-bar.ts

@@ -16,10 +16,10 @@ import { Component, EventEmitter, Input, OnChanges, Output, SimpleChange } from
 import { Translate } from '@singletons';
 
 /**
- * Component to show a "bar" with arrows to navigate forward/backward and an slider to move around.
+ * Component to show a "bar" with arrows to navigate forward/backward and an progressbar to see the status.
  *
  * This directive will show two arrows at the left and right of the screen to navigate to previous/next item when clicked.
- * If no previous/next item is defined, that arrow won't be shown.
+ * If no previous/next item is defined, that arrow will be disabled.
  *
  * Example usage:
  * <core-navigation-bar [items]="items" (action)="goTo($event)"></core-navigation-bar>
@@ -32,7 +32,6 @@ import { Translate } from '@singletons';
 export class CoreNavigationBarComponent implements OnChanges {
 
     @Input() items: CoreNavigationBarItem[] = []; // List of items.
-    @Input() showTitles = false; // Display titles on buttons.
     @Input() previousTranslate = 'core.previous'; // Previous translatable text, can admit $a variable.
     @Input() nextTranslate = 'core.next'; // Next translatable text, can admit $a variable.
     @Input() component?: string; // Component the bar belongs to.
@@ -46,6 +45,8 @@ export class CoreNavigationBarComponent implements OnChanges {
     previousIndex = -1; // Previous item index. If -1, the previous arrow won't be shown.
     nextIndex = -1; // Next item index. If -1, the next arrow won't be shown.
     currentIndex = 0;
+    progress = 0;
+    progressText = '';
 
     // Function to call when arrow is clicked. Will receive as a param the item to load.
     @Output() action: EventEmitter<unknown> = new EventEmitter<unknown>();
@@ -63,6 +64,9 @@ export class CoreNavigationBarComponent implements OnChanges {
             return;
         }
 
+        this.progress = ((this.currentIndex + 1) / this.items.length) * 100;
+        this.progressText = `${this.currentIndex + 1} / ${this.items.length}`;
+
         this.nextIndex = this.items[this.currentIndex + 1]?.enabled ? this.currentIndex + 1 : -1;
         if (this.nextIndex >= 0) {
             this.nextTitle = Translate.instant(this.nextTranslate, { $a: this.items[this.nextIndex].title || '' });
@@ -88,22 +92,6 @@ export class CoreNavigationBarComponent implements OnChanges {
         this.action.emit(this.items[itemIndex].item);
     }
 
-    /**
-     * Navigate to an item with the range component.
-     *
-     * @param target: Element changed.
-     */
-    navigateOnRange(target: HTMLIonRangeElement): void {
-        const selectedIndex = target.value as number; // Single value, use number.
-        if (!this.items[selectedIndex].enabled) {
-            target.value = this.currentIndex;
-
-            return;
-        }
-
-        this.navigate(selectedIndex);
-    }
-
 }
 
 export type CoreNavigationBarItem<T = unknown> = {

src/core/components/progress-bar/core-progress-bar.html

@@ -4,7 +4,7 @@
     </progress>
     <div class="core-progress-text">
         <span class="sr-only" *ngIf="a11yText">{{ a11yText | translate }}</span>
-        {{ 'core.percentagenumber' | translate: {$a: text} }}
+        {{ text }}
     </div>
 </ng-container>
 

src/core/components/progress-bar/progress-bar.ts

@@ -86,7 +86,7 @@ export class CoreProgressBarComponent implements OnInit, OnChanges {
                 this.progress = Math.floor(this.progress);
 
                 if (!this.textSupplied) {
-                    this.text = String(this.progress);
+                    this.text = Translate.instant('core.percentagenumber', { $a: this.progress });
                 }
 
                 this.width = DomSanitizer.bypassSecurityTrustStyle(this.progress + '%');
@@ -94,8 +94,7 @@ export class CoreProgressBarComponent implements OnInit, OnChanges {
         }
 
         if (changes.text || changes.progress || changes.a11yText) {
-            this.progressBarValueText = (this.a11yText ? Translate.instant(this.a11yText) + ' ' : '') +
+            this.progressBarValueText = (this.a11yText ? Translate.instant(this.a11yText) + ' ' : '') + this.text;
-                Translate.instant('core.percentagenumber', { $a: this.text });
         }
     }
 

src/core/directives/collapsible-footer.ts

@@ -0,0 +1,158 @@
+// (C) Copyright 2015 Moodle Pty Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Directive, ElementRef, OnDestroy, OnInit } from '@angular/core';
+import { ScrollDetail } from '@ionic/core';
+import { IonContent } from '@ionic/angular';
+import { CoreUtils } from '@services/utils/utils';
+import { CoreMath } from '@singletons/math';
+
+/**
+ * Directive to make an element fixed at the bottom collapsible when scrolling.
+ *
+ * Example usage:
+ *
+ * <div collapsible-footer>
+ */
+@Directive({
+    selector: '[collapsible-footer]',
+})
+export class CoreCollapsibleFooterDirective implements OnInit, OnDestroy {
+
+    protected element: HTMLElement;
+    protected initialHeight = 0;
+    protected initialPaddingBottom = 0;
+    protected previousTop = 0;
+    protected previousHeight = 0;
+    protected stickTimeout?: number;
+    protected content?: HTMLIonContentElement | null;
+
+    constructor(el: ElementRef, protected ionContent: IonContent) {
+        this.element = el.nativeElement;
+        this.element.setAttribute('slot', 'fixed'); // Just in case somebody forgets to add it.
+    }
+
+    /**
+     * Setup scroll event listener.
+     *
+     * @param retries Number of retries left.
+     */
+    protected async listenScrollEvents(retries = 5): Promise<void> {
+        // Already initialized.
+        if (this.initialHeight > 0) {
+            return;
+        }
+
+        this.initialHeight = this.element.getBoundingClientRect().height;
+
+        if (this.initialHeight == 0 && retries > 0) {
+            await CoreUtils.nextTicks(50);
+
+            this.listenScrollEvents(retries - 1);
+
+            return;
+        }
+
+        // Set a minimum height value.
+        this.initialHeight = this.initialHeight || 48;
+        this.previousHeight = this.initialHeight;
+
+        this.content = this.element.closest('ion-content');
+
+        if (!this.content) {
+            return;
+        }
+
+        this.content.classList.add('has-collapsible-footer');
+
+        // Move element to the nearest ion-content if it's not the parent.
+        if (this.element.parentElement?.nodeName != 'ION-CONTENT') {
+            this.content.appendChild(this.element);
+        }
+
+        // Set a padding to not overlap elements.
+        this.initialPaddingBottom = parseFloat(this.content.style.getPropertyValue('--padding-bottom') || '0');
+        this.content.style.setProperty('--padding-bottom', this.initialPaddingBottom + this.initialHeight + 'px');
+        const scroll = await this.content.getScrollElement();
+        this.content.scrollEvents = true;
+
+        this.setBarHeight(this.initialHeight);
+        this.content.addEventListener('ionScroll', (e: CustomEvent<ScrollDetail>): void => {
+            if (!this.content) {
+                return;
+            }
+
+            this.onScroll(e.detail, scroll);
+        });
+
+    }
+
+    /**
+     * On scroll function.
+     *
+     * @param scrollDetail Scroll detail object.
+     * @param scrollElement Scroll element to calculate maxScroll.
+     */
+    protected onScroll(scrollDetail: ScrollDetail, scrollElement: HTMLElement): void {
+        const maxScroll = scrollElement.scrollHeight - scrollElement.offsetHeight;
+        if (scrollDetail.scrollTop <= 0 || scrollDetail.scrollTop >= maxScroll) {
+            // Reset.
+            this.setBarHeight(this.initialHeight);
+        } else {
+            let newHeight = this.previousHeight - (scrollDetail.scrollTop - this.previousTop);
+            newHeight = CoreMath.clamp(newHeight, 0, this.initialHeight);
+
+            this.setBarHeight(newHeight);
+        }
+        this.previousTop = scrollDetail.scrollTop;
+    }
+
+    /**
+     * Sets the bar height.
+     *
+     * @param height The new bar height.
+     */
+    protected setBarHeight(height: number): void {
+        if (this.stickTimeout) {
+            clearTimeout(this.stickTimeout);
+        }
+
+        this.element.classList.toggle('footer-collapsed', height <= 0);
+        this.element.classList.toggle('footer-expanded', height >= this.initialHeight);
+        this.content?.style.setProperty('--core-collapsible-footer-height', height + 'px');
+        this.previousHeight = height;
+
+        if (height > 0 && height < this.initialHeight) {
+            // Finish opening or closing the bar.
+            const newHeight = height < this.initialHeight / 2 ? 0 : this.initialHeight;
+
+            this.stickTimeout = window.setTimeout(() => this.setBarHeight(newHeight), 500);
+        }
+    }
+
+    /**
+     * @inheritdoc
+     */
+    ngOnInit(): void {
+        this.listenScrollEvents();
+    }
+
+    /**
+     * @inheritdoc
+     */
+    async ngOnDestroy(): Promise<void> {
+        this.content?.style.setProperty('--padding-bottom', this.initialPaddingBottom + 'px');
+    }
+
+}

src/core/directives/directives.module.ts

@@ -30,6 +30,7 @@ import { CoreDownloadFileDirective } from './download-file';
 import { CoreCollapsibleHeaderDirective } from './collapsible-header';
 import { CoreSwipeNavigationDirective } from './swipe-navigation';
 import { CoreCollapsibleItemDirective } from './collapsible-item';
+import { CoreCollapsibleFooterDirective } from './collapsible-footer';
 
 @NgModule({
     declarations: [
@@ -49,6 +50,7 @@ import { CoreCollapsibleItemDirective } from './collapsible-item';
         CoreCollapsibleHeaderDirective,
         CoreSwipeNavigationDirective,
         CoreCollapsibleItemDirective,
+        CoreCollapsibleFooterDirective,
     ],
     exports: [
         CoreAutoFocusDirective,
@@ -67,6 +69,7 @@ import { CoreCollapsibleItemDirective } from './collapsible-item';
         CoreCollapsibleHeaderDirective,
         CoreSwipeNavigationDirective,
         CoreCollapsibleItemDirective,
+        CoreCollapsibleFooterDirective,
     ],
 })
 export class CoreDirectivesModule {}

src/core/features/course/components/module-navigation/core-course-module-navigation.html

@@ -1,7 +1,7 @@
 <core-loading [hideUntil]="loaded" [fullscreen]="false">
     <ion-row class="ion-justify-content-between ion-align-items-center ion-no-padding ion-wrap" *ngIf="previousModule || nextModule">
         <ion-col size="auto" class="ion-no-padding core-course-module-navigation-arrow">
-            <ion-button fill="clear" class="core-course-previous-module" *ngIf="previousModule" (click)="goToActivity(false)"
+            <ion-button fill="clear" class="core-course-previous-module" [disabled]="!previousModule" (click)="goToActivity(false)"
                 [attr.aria-label]="'core.course.gotopreviousactivity' | translate">
                 <ion-icon name="fas-arrow-left" slot="icon-only" aria-hidden="true"></ion-icon>
             </ion-button>
@@ -14,7 +14,7 @@
             </core-course-module-completion>
         </ion-col>
         <ion-col size="auto" class="ion-no-padding core-course-module-navigation-arrow">
-            <ion-button fill="clear" class="core-course-next-module" *ngIf="nextModule" (click)="goToActivity(true)"
+            <ion-button fill="clear" class="core-course-next-module" [disabled]="!nextModule" (click)="goToActivity(true)"
                 [attr.aria-label]="'core.course.gotonextactivity' | translate">
                 <ion-icon name="fas-arrow-right" slot="icon-only" aria-hidden="true"></ion-icon>
             </ion-button>

src/core/features/course/components/module-navigation/module-navigation.scss

@@ -1,20 +1,16 @@
 @import "~theme/globals";
 
 :host {
-    --height: var(--core-course-module-navigation-height, var(--core-course-module-navigation-max-height));
+    --height: var(--core-navigation-max-height);
-    --background: var(--core-course-module-navigation-background);
+    --background: var(--core-navigation-background);
     --button-vertical-margin: 2px;
 
     height: var(--height);
     width: 100%;
     background-color: var(--background);
     display: block;
-    bottom: 0;
-    z-index: 3;
     border-top: 1px solid var(--stroke);
 
-    @include core-transition(all, 200ms);
-
     core-loading {
         text-align: center;
         --loading-inline-min-height: var(--height);
@@ -25,15 +21,6 @@
         margin-top: var(--button-vertical-margin);
         margin-bottom: var(--button-vertical-margin);
     }
-
-    .core-course-module-navigation-arrow {
-        min-width: 48px;
-    }
-}
-
-:host-context(.core-iframe-fullscreen) {
-    opacity: 0 !important;
-    height: 0 !important;
 }
 
 :host-context(core-course-format.core-course-format-singleactivity) {

src/core/features/course/components/module-navigation/module-navigation.ts

@@ -17,13 +17,11 @@ import { CoreCourse, CoreCourseProvider, CoreCourseWSSection } from '@features/c
 import { CoreCourseModuleCompletionData, CoreCourseModuleData } from '@features/course/services/course-helper';
 import { CoreCourseModuleDelegate } from '@features/course/services/module-delegate';
 import { IonContent } from '@ionic/angular';
-import { ScrollDetail } from '@ionic/core';
 import { CoreNavigationOptions, CoreNavigator } from '@services/navigator';
 import { CoreSites, CoreSitesReadingStrategy } from '@services/sites';
 import { CoreDomUtils } from '@services/utils/dom';
 import { CoreUtils } from '@services/utils/utils';
 import { CoreEventObserver, CoreEvents } from '@singletons/events';
-import { CoreMath } from '@singletons/math';
 
 /**
  * Component to show a button to go to the next resource/activity.
@@ -51,21 +49,11 @@ export class CoreCourseModuleNavigationComponent implements OnInit, OnDestroy {
     loaded = false;
     showCompletion = false; // Whether to show completion.
 
-    protected element: HTMLElement;
-    protected initialHeight = 0;
-    protected initialPaddingBottom = 0;
-    protected previousTop = 0;
-    protected previousHeight = 0;
-    protected stickTimeout?: number;
-    protected content?: HTMLIonContentElement | null;
     protected completionObserver: CoreEventObserver;
 
     constructor(el: ElementRef, protected ionContent: IonContent) {
         const siteId = CoreSites.getCurrentSiteId();
 
-        this.element = el.nativeElement;
-        this.element.setAttribute('slot', 'fixed');
-
         this.completionObserver = CoreEvents.on(CoreEvents.COMPLETION_MODULE_VIEWED, async (data) => {
             if (data && data.courseId == this.courseId) {
                 // Check if now there's a next module.
@@ -88,76 +76,14 @@ export class CoreCourseModuleNavigationComponent implements OnInit, OnDestroy {
             await this.setNextAndPreviousModules(CoreSitesReadingStrategy.PREFER_CACHE);
         } finally {
             this.loaded = true;
-
-            await CoreUtils.nextTicks(50);
-            this.listenScrollEvents();
         }
     }
 
-    /**
-     * Setup scroll event listener.
-     *
-     * @param retries Number of retries left.
-     */
-    protected async listenScrollEvents(retries = 3): Promise<void> {
-        this.initialHeight = this.element.getBoundingClientRect().height;
-
-        if (this.initialHeight == 0 && retries > 0) {
-            await CoreUtils.nextTicks(50);
-
-            this.listenScrollEvents(retries - 1);
-
-            return;
-        }
-        // Set a minimum height value.
-        this.initialHeight = this.initialHeight || 48;
-        this.previousHeight = this.initialHeight;
-
-        this.content = this.element.closest('ion-content');
-
-        if (!this.content) {
-            return;
-        }
-
-        // Special case where there's no navigation.
-        const courseFormat = this.element.closest('core-course-format.core-course-format-singleactivity');
-        if (courseFormat) {
-            this.element.remove();
-            this.ngOnDestroy();
-
-            return;
-        }
-
-        this.content.classList.add('has-core-course-module-navigation');
-
-        // Move element to the nearest ion-content if it's not the parent.
-        if (this.element.parentElement?.nodeName != 'ION-CONTENT') {
-            this.content.appendChild(this.element);
-        }
-
-        // Set a padding to not overlap elements.
-        this.initialPaddingBottom = parseFloat(this.content.style.getPropertyValue('--padding-bottom') || '0');
-        this.content.style.setProperty('--padding-bottom', this.initialPaddingBottom + this.initialHeight + 'px');
-        const scroll = await this.content.getScrollElement();
-        this.content.scrollEvents = true;
-
-        this.setBarHeight(this.initialHeight);
-        this.content.addEventListener('ionScroll', (e: CustomEvent<ScrollDetail>): void => {
-            if (!this.content) {
-                return;
-            }
-
-            this.onScroll(e.detail, scroll);
-        });
-
-    }
-
     /**
      * @inheritdoc
      */
     async ngOnDestroy(): Promise<void> {
         this.completionObserver.off();
-        this.content?.style.setProperty('--padding-bottom', this.initialPaddingBottom + 'px');
     }
 
     /**
@@ -316,46 +242,4 @@ export class CoreCourseModuleNavigationComponent implements OnInit, OnDestroy {
         }
     }
 
-    /**
-     * On scroll function.
-     *
-     * @param scrollDetail Scroll detail object.
-     * @param scrollElement Scroll element to calculate maxScroll.
-     */
-    protected onScroll(scrollDetail: ScrollDetail, scrollElement: HTMLElement): void {
-        const maxScroll = scrollElement.scrollHeight - scrollElement.offsetHeight;
-        if (scrollDetail.scrollTop <= 0 || scrollDetail.scrollTop >= maxScroll) {
-            // Reset.
-            this.setBarHeight(this.initialHeight);
-        } else {
-            let newHeight = this.previousHeight - (scrollDetail.scrollTop - this.previousTop);
-            newHeight = CoreMath.clamp(newHeight, 0, this.initialHeight);
-
-            this.setBarHeight(newHeight);
-        }
-        this.previousTop = scrollDetail.scrollTop;
-    }
-
-    /**
-     * Sets the bar height.
-     *
-     * @param height The new bar height.
-     */
-    protected setBarHeight(height: number): void {
-        if (this.stickTimeout) {
-            clearTimeout(this.stickTimeout);
-        }
-
-        this.element.style.opacity = height <= 0 ? '0' : '1';
-        this.content?.style.setProperty('--core-course-module-navigation-height', height + 'px');
-        this.previousHeight = height;
-
-        if (height > 0 && height < this.initialHeight) {
-            // Finish opening or closing the bar.
-            const newHeight = height < this.initialHeight / 2 ? 0 : this.initialHeight;
-
-            this.stickTimeout = window.setTimeout(() => this.setBarHeight(newHeight), 500);
-        }
-    }
-
 }

src/core/features/course/pages/module-preview/module-preview.html

@@ -44,6 +44,6 @@
         <core-course-unsupported-module *ngIf="unsupported" [module]="module"></core-course-unsupported-module>
     </core-loading>
 
-    <core-course-module-navigation [hidden]="!loaded" [courseId]="courseId" [currentModule]="module"
+    <core-course-module-navigation collapsible-footer [hidden]="!loaded" [courseId]="courseId" [currentModule]="module"
         (completionChanged)="onCompletionChange()" [showManualCompletion]="showManualCompletion"></core-course-module-navigation>
 </ion-content>

src/core/features/siteplugins/components/module-index/core-siteplugins-module-index.html

@@ -14,5 +14,5 @@
     (onLoadingContent)="contentLoading()">
 </core-site-plugins-plugin-content>
 
-<core-course-module-navigation *ngIf="module" [courseId]="courseId" [currentModule]="module">
+<core-course-module-navigation collapsible-footer *ngIf="module" [courseId]="courseId" [currentModule]="module">
 </core-course-module-navigation>

src/theme/theme.base.scss

@@ -1124,8 +1124,8 @@ ion-fab[core-fab] {
     }
 }
 
-ion-content.has-core-course-module-navigation ion-fab {
+ion-content.has-collapsible-footer ion-fab {
-    bottom: calc(var(--core-course-module-navigation-height, 0px) + 10px);
+    bottom: calc(var(--core-navigation-height, 0px) + 10px);
     @include core-transition(all, 200ms);
 }
 
@@ -1442,6 +1442,30 @@ ion-grid.core-no-grid > ion-row {
     @include collapsible-item();
 }
 
+[collapsible-footer] {
+    &.footer-collapsed {
+        --core-collapsible-footer-height: 0;
+        opacity: 0;
+    }
+    &.footer-expanded {
+        --core-collapsible-footer-height: auto;
+    }
+
+    width: 100%;
+    bottom: 0;
+    z-index: 3;
+    height: var(--core-collapsible-footer-height, auto);
+    background-color: var(--core-collapsible-footer-background);
+    display: block;
+    border-top: 1px solid var(--stroke);
+    @include core-transition(all, 200ms);
+}
+
+.core-iframe-fullscreen [collapsible-footer] {
+    opacity: 0 !important;
+    height: 0 !important;
+}
+
 ion-header.no-title {
     --core-header-toolbar-border-width: 0;
     --core-header-toolbar-background: transparent;
@@ -1540,9 +1564,19 @@ body.core-iframe-fullscreen ion-content {
 .core-swipe-slides-container {
     display: flex;
     flex-direction: column;
-    height: 100%;
+    flex-grow: 1;
+    min-height: 100%;
 
     core-swipe-slides {
+        display: flex;
+        flex-direction: column;
         flex-grow: 1;
+
+        ion-slides {
+            flex-grow: 1;
+            max-width: 100%;
+        }
     }
+
+
 }

src/theme/theme.dark.scss

@@ -129,6 +129,10 @@
     --core-send-message-input-background: var(--gray-900);
     --core-send-message-input-color: var(--white);
 
+    --core-navigation-background: var(--contrast-background);
+
+    --core-collapsible-footer-background: var(--contrast-background);
+
     --addon-messages-message-bg: var(--gray-800);
     --addon-messages-message-activated-bg: var(--gray-700);
     --addon-messages-message-note-text: var(--subdued-text-color);

src/theme/theme.light.scss

@@ -310,8 +310,10 @@
     --core-courseimage-on-course-size: 72px;
     --core-courseimage-radius: var(--medium-radius);
 
-    --core-course-module-navigation-max-height: 48px;
+    --core-navigation-height: 48px;
-    --core-course-module-navigation-background: var(--contrast-background);
+    --core-navigation-background: var(--contrast-background);
+
+    --core-collapsible-footer-background: var(--contrast-background);
 
     --core-user-menu-site-logo-max-height: 32px;