Vmeda.Online/src/core/classes/page-transition.ts

384 lines
16 KiB
TypeScript

// (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 { createAnimation } from '@ionic/angular';
import { Animation, NavOptions } from '@ionic/core';
/**
* Adaptation from Ionic 5 iOs transition.
*
* https://github.com/ionic-team/ionic-framework/blob/5.8.x/core/src/utils/transition/ios.transition.ts
* Removed large title options, translucent header, buttons-collapse and header-collapse-condense-inactive.
* Changed large title check by collapsible header.
*/
const DURATION = 540;
const getIonPageElement = (element: HTMLElement): HTMLElement | null => {
if (element.classList.contains('ion-page')) {
return element;
}
const ionPage: HTMLElement | null = element.querySelector(':scope > .ion-page, :scope > ion-nav, :scope > ion-tabs');
if (ionPage) {
return ionPage;
}
// idk, return the original element so at least something animates and we don't have a null pointer
return element;
};
export interface TransitionOptions extends NavOptions {
progressCallback?: ((ani: Animation | undefined) => void);
baseEl: HTMLElement;
enteringEl: HTMLElement;
leavingEl: HTMLElement | undefined;
}
export const shadow = <T extends Element>(el: T): ShadowRoot | T => el.shadowRoot || el;
export const moodleTransitionAnimation = (navEl: HTMLElement, opts: TransitionOptions): Animation => {
const EASING = 'cubic-bezier(0.32,0.72,0,1)';
const OPACITY = 'opacity';
const TRANSFORM = 'transform';
const CENTER = '0%';
const OFF_OPACITY = 0.8;
const isRTL = navEl.ownerDocument.dir === 'rtl';
const OFF_RIGHT = isRTL ? '-99.5%' : '99.5%';
const OFF_LEFT = isRTL ? '33%' : '-33%';
const enteringEl = opts.enteringEl;
const leavingEl = opts.leavingEl;
const backDirection = (opts.direction === 'back');
const contentEl = enteringEl.querySelector(':scope > ion-content');
const headerEls = enteringEl.querySelectorAll(':scope > ion-header > *:not(ion-toolbar), :scope > ion-footer > *');
const enteringToolBarEls = enteringEl.querySelectorAll(':scope > ion-header > ion-toolbar');
const rootAnimation = createAnimation();
const enteringContentAnimation = createAnimation();
rootAnimation
.addElement(enteringEl)
.duration(opts.duration || DURATION)
.easing(opts.easing || EASING)
.fill('both')
.beforeRemoveClass('ion-page-invisible');
if (leavingEl && navEl) {
const navDecorAnimation = createAnimation();
navDecorAnimation.addElement(navEl);
rootAnimation.addAnimation(navDecorAnimation);
}
if (!contentEl && enteringToolBarEls.length === 0 && headerEls.length === 0) {
enteringContentAnimation.addElement(
enteringEl.querySelector(':scope > .ion-page, :scope > ion-nav, :scope > ion-tabs') || [],
);
} else {
enteringContentAnimation.addElement(contentEl || []);
enteringContentAnimation.addElement(headerEls);
}
rootAnimation.addAnimation(enteringContentAnimation);
enteringContentAnimation.beforeAddClass('animating').afterRemoveClass('animating');
if (backDirection) {
enteringContentAnimation
.beforeClearStyles([OPACITY])
.fromTo('transform', `translateX(${OFF_LEFT})`, `translateX(${CENTER})`)
.fromTo(OPACITY, OFF_OPACITY, 1);
} else {
// entering content, forward direction
enteringContentAnimation
.beforeClearStyles([OPACITY])
.fromTo('transform', `translateX(${OFF_RIGHT})`, `translateX(${CENTER})`);
}
if (contentEl) {
const enteringTransitionEffectEl: HTMLElement | null = shadow(contentEl).querySelector('.transition-effect');
if (enteringTransitionEffectEl) {
const enteringTransitionCoverEl: HTMLElement | null = enteringTransitionEffectEl.querySelector('.transition-cover');
const enteringTransitionShadowEl: HTMLElement | null = enteringTransitionEffectEl.querySelector('.transition-shadow');
if (!enteringTransitionCoverEl || !enteringTransitionShadowEl) {
return rootAnimation;
}
const enteringTransitionEffect = createAnimation();
const enteringTransitionCover = createAnimation();
const enteringTransitionShadow = createAnimation();
enteringTransitionEffect
.addElement(enteringTransitionEffectEl)
.beforeStyles({ opacity: '1', display: 'block' })
.afterStyles({ opacity: '', display: '' });
enteringTransitionCover
.addElement(enteringTransitionCoverEl)
.beforeClearStyles([OPACITY])
.fromTo(OPACITY, 0, 0.1);
enteringTransitionShadow
.addElement(enteringTransitionShadowEl)
.beforeClearStyles([OPACITY])
.fromTo(OPACITY, 0.03, 0.70);
enteringTransitionEffect.addAnimation([enteringTransitionCover, enteringTransitionShadow]);
enteringContentAnimation.addAnimation([enteringTransitionEffect]);
}
}
const enteringContentHasCollapsibleTitle = enteringEl.querySelector('ion-header[collapsible]');
enteringToolBarEls.forEach(enteringToolBarEl => {
const enteringToolBar = createAnimation();
enteringToolBar.addElement(enteringToolBarEl);
rootAnimation.addAnimation(enteringToolBar);
const enteringTitle = createAnimation();
enteringTitle.addElement(enteringToolBarEl.querySelector('ion-title') || []);
const enteringToolBarButtons = createAnimation();
const buttons: HTMLIonButtonsElement[] = Array.from(enteringToolBarEl.querySelectorAll('ion-buttons,[menuToggle]'));
enteringToolBarButtons.addElement(buttons);
const enteringToolBarItems = createAnimation();
enteringToolBarItems.addElement(
enteringToolBarEl.querySelectorAll(':scope > *:not(ion-title):not(ion-buttons):not([menuToggle])'),
);
const enteringToolBarBg = createAnimation();
enteringToolBarBg.addElement(shadow(enteringToolBarEl).querySelector('.toolbar-background') || []);
const enteringBackButton = createAnimation();
const backButtonEl = enteringToolBarEl.querySelector('ion-back-button');
if (backButtonEl) {
enteringBackButton.addElement(backButtonEl);
}
enteringToolBar.addAnimation(
[enteringTitle, enteringToolBarButtons, enteringToolBarItems, enteringToolBarBg, enteringBackButton],
);
enteringToolBarButtons.fromTo(OPACITY, 0.01, 1);
enteringToolBarItems.fromTo(OPACITY, 0.01, 1);
if (backDirection) {
enteringTitle
.fromTo('transform', `translateX(${OFF_LEFT})`, `translateX(${CENTER})`)
.fromTo(OPACITY, 0.01, 1);
enteringToolBarItems.fromTo('transform', `translateX(${OFF_LEFT})`, `translateX(${CENTER})`);
// back direction, entering page has a back button
enteringBackButton.fromTo(OPACITY, 0.01, 1);
} else {
// entering toolbar, forward direction
if (!enteringContentHasCollapsibleTitle) {
enteringTitle
.fromTo('transform', `translateX(${OFF_RIGHT})`, `translateX(${CENTER})`)
.fromTo(OPACITY, 0.01, 1);
}
enteringToolBarItems.fromTo('transform', `translateX(${OFF_RIGHT})`, `translateX(${CENTER})`);
enteringToolBarBg.beforeClearStyles([OPACITY, 'transform']);
enteringToolBarBg.fromTo(OPACITY, 0.01, 'var(--opacity)');
// forward direction, entering page has a back button
enteringBackButton.fromTo(OPACITY, 0.01, 1);
if (backButtonEl) {
const enteringBackBtnText = createAnimation();
enteringBackBtnText
.addElement(shadow(backButtonEl).querySelector('.button-text') || [])
.fromTo('transform', (isRTL ? 'translateX(-100px)' : 'translateX(100px)'), 'translateX(0px)');
enteringToolBar.addAnimation(enteringBackBtnText);
}
}
});
// setup leaving view
if (leavingEl) {
const leavingContent = createAnimation();
leavingContent.beforeAddClass('animating').afterRemoveClass('animating');
const leavingContentEl = leavingEl.querySelector(':scope > ion-content');
const leavingToolBarEls = leavingEl.querySelectorAll(':scope > ion-header > ion-toolbar');
const leavingHeaderEls = leavingEl.querySelectorAll(':scope > ion-header > *:not(ion-toolbar), :scope > ion-footer > *');
if (!leavingContentEl && leavingToolBarEls.length === 0 && leavingHeaderEls.length === 0) {
leavingContent.addElement(
leavingEl.querySelector(':scope > .ion-page, :scope > ion-nav, :scope > ion-tabs') || [],
);
} else {
leavingContent.addElement(leavingContentEl || []);
leavingContent.addElement(leavingHeaderEls);
}
rootAnimation.addAnimation(leavingContent);
// Check if leaving content is being translated using transform styles and decide to use fromTo or only To animation.
const hasTransformStyle = !!leavingContentEl && (leavingContentEl as HTMLElement).style.transform !== '';
if (backDirection) {
// leaving content, back direction
if (hasTransformStyle) {
leavingContent
.to('transform', (isRTL ? 'translateX(-100%)' : 'translateX(100%)'))
.fromTo(OPACITY, 1, OFF_OPACITY);
} else {
leavingContent
.beforeClearStyles([OPACITY])
.fromTo('transform', `translateX(${CENTER})`, (isRTL ? 'translateX(-100%)' : 'translateX(100%)'));
}
const leavingPage = getIonPageElement(leavingEl) as HTMLElement;
rootAnimation.afterAddWrite(() => {
if (rootAnimation.getDirection() === 'normal') {
leavingPage.style.setProperty('display', 'none');
}
});
} else {
// leaving content, forward direction
if (hasTransformStyle) {
leavingContent
.to('transform', (isRTL ? 'translateX(100%)' : 'translateX(-100%)'))
.fromTo(OPACITY, 1, OFF_OPACITY);
} else {
leavingContent
.fromTo('transform', `translateX(${CENTER})`, `translateX(${OFF_LEFT})`)
.fromTo(OPACITY, 1, OFF_OPACITY);
}
}
if (leavingContentEl) {
const leavingTransitionEffectEl = shadow(leavingContentEl).querySelector('.transition-effect');
if (leavingTransitionEffectEl) {
const leavingTransitionCoverEl = leavingTransitionEffectEl.querySelector('.transition-cover');
const leavingTransitionShadowEl = leavingTransitionEffectEl.querySelector('.transition-shadow');
const leavingTransitionEffect = createAnimation();
const leavingTransitionCover = createAnimation();
const leavingTransitionShadow = createAnimation();
leavingTransitionEffect
.addElement(leavingTransitionEffectEl)
.beforeStyles({ opacity: '1', display: 'block' })
.afterStyles({ opacity: '', display: '' });
leavingTransitionCover
.addElement(leavingTransitionCoverEl || [])
.beforeClearStyles([OPACITY])
.fromTo(OPACITY, 0.1, 0);
leavingTransitionShadow
.addElement(leavingTransitionShadowEl || [])
.beforeClearStyles([OPACITY])
.fromTo(OPACITY, 0.70, 0.03);
leavingTransitionEffect.addAnimation([leavingTransitionCover, leavingTransitionShadow]);
leavingContent.addAnimation([leavingTransitionEffect]);
}
}
leavingToolBarEls.forEach(leavingToolBarEl => {
const leavingToolBar = createAnimation();
leavingToolBar.addElement(leavingToolBarEl);
const leavingTitle = createAnimation();
leavingTitle.addElement(leavingToolBarEl.querySelector('ion-title') || []);
const leavingToolBarButtons = createAnimation();
const buttons: HTMLIonButtonsElement[] = Array.from(leavingToolBarEl.querySelectorAll('ion-buttons,[menuToggle]'));
leavingToolBarButtons.addElement(buttons);
const leavingToolBarItems = createAnimation();
const leavingToolBarItemEls =
leavingToolBarEl.querySelectorAll(':scope > *:not(ion-title):not(ion-buttons):not([menuToggle])');
if (leavingToolBarItemEls.length > 0) {
leavingToolBarItems.addElement(leavingToolBarItemEls);
}
const leavingToolBarBg = createAnimation();
leavingToolBarBg.addElement(shadow(leavingToolBarEl).querySelector('.toolbar-background') || []);
const leavingBackButton = createAnimation();
const backButtonEl = leavingToolBarEl.querySelector('ion-back-button');
if (backButtonEl) {
leavingBackButton.addElement(backButtonEl);
}
leavingToolBar.addAnimation(
[leavingTitle, leavingToolBarButtons, leavingToolBarItems, leavingBackButton, leavingToolBarBg],
);
rootAnimation.addAnimation(leavingToolBar);
// fade out leaving toolbar items
leavingBackButton.fromTo(OPACITY, 0.99, 0);
leavingToolBarButtons.fromTo(OPACITY, 0.99, 0);
leavingToolBarItems.fromTo(OPACITY, 0.99, 0);
if (backDirection) {
// leaving toolbar, back direction
leavingTitle
.fromTo('transform', `translateX(${CENTER})`, (isRTL ? 'translateX(-100%)' : 'translateX(100%)'))
.fromTo(OPACITY, 0.99, 0);
leavingToolBarItems.fromTo(
'transform',
`translateX(${CENTER})`,
(isRTL ? 'translateX(-100%)' : 'translateX(100%)'),
);
leavingToolBarBg.beforeClearStyles([OPACITY, 'transform']);
// leaving toolbar, back direction, and there's no entering toolbar
// should just slide out, no fading out
leavingToolBarBg.fromTo(OPACITY, 'var(--opacity)', 0);
if (backButtonEl) {
const leavingBackBtnText = createAnimation();
leavingBackBtnText
.addElement(shadow(backButtonEl).querySelector('.button-text') || [])
.fromTo('transform', `translateX(${CENTER})`, `translateX(${(isRTL ? -124 : 124) + 'px'})`);
leavingToolBar.addAnimation(leavingBackBtnText);
}
} else {
// leaving toolbar, forward direction
leavingTitle
.fromTo('transform', `translateX(${CENTER})`, `translateX(${OFF_LEFT})`)
.fromTo(OPACITY, 0.99, 0)
.afterClearStyles([TRANSFORM, OPACITY]);
leavingToolBarItems
.fromTo('transform', `translateX(${CENTER})`, `translateX(${OFF_LEFT})`)
.afterClearStyles([TRANSFORM, OPACITY]);
leavingBackButton.afterClearStyles([OPACITY]);
leavingTitle.afterClearStyles([OPACITY]);
leavingToolBarButtons.afterClearStyles([OPACITY]);
}
});
}
return rootAnimation;
};