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// Tooltip "Class" (Built as a renderless Vue instance)
//
// Handles trigger events, etc.
// Instantiates template on demand
import { COMPONENT_UID_KEY, Vue } from '../../../vue';
import { NAME_MODAL, NAME_TOOLTIP_HELPER } from '../../../constants/components';
import { EVENT_NAME_DISABLE, EVENT_NAME_DISABLED, EVENT_NAME_ENABLE, EVENT_NAME_ENABLED, EVENT_NAME_FOCUSIN, EVENT_NAME_FOCUSOUT, EVENT_NAME_HIDDEN, EVENT_NAME_HIDE, EVENT_NAME_MOUSEENTER, EVENT_NAME_MOUSELEAVE, EVENT_NAME_SHOW, EVENT_NAME_SHOWN, EVENT_OPTIONS_NO_CAPTURE, HOOK_EVENT_NAME_BEFORE_DESTROY, HOOK_EVENT_NAME_DESTROYED } from '../../../constants/events';
import { arrayIncludes, concat, from as arrayFrom } from '../../../utils/array';
import { attemptFocus, closest, contains, getAttr, getById, hasAttr, hasClass, isDisabled, isElement, isVisible, removeAttr, requestAF, select, setAttr } from '../../../utils/dom';
import { eventOff, eventOn, eventOnOff, getRootActionEventName, getRootEventName } from '../../../utils/events';
import { getScopeId } from '../../../utils/get-scope-id';
import { identity } from '../../../utils/identity';
import { isFunction, isNumber, isPlainObject, isString, isUndefined, isUndefinedOrNull } from '../../../utils/inspect';
import { looseEqual } from '../../../utils/loose-equal';
import { mathMax } from '../../../utils/math';
import { noop } from '../../../utils/noop';
import { toInteger } from '../../../utils/number';
import { keys } from '../../../utils/object';
import { warn } from '../../../utils/warn';
import { BvEvent } from '../../../utils/bv-event.class';
import { listenOnRootMixin } from '../../../mixins/listen-on-root';
import { BVTooltipTemplate } from './bv-tooltip-template'; // --- Constants ---
// Modal container selector for appending tooltip/popover
var MODAL_SELECTOR = '.modal-content'; // Modal `$root` hidden event
var ROOT_EVENT_NAME_MODAL_HIDDEN = getRootEventName(NAME_MODAL, EVENT_NAME_HIDDEN); // Sidebar container selector for appending tooltip/popover
var SIDEBAR_SELECTOR = '.b-sidebar'; // For finding the container to append to
var CONTAINER_SELECTOR = [MODAL_SELECTOR, SIDEBAR_SELECTOR].join(', '); // For dropdown sniffing
var DROPDOWN_CLASS = 'dropdown';
var DROPDOWN_OPEN_SELECTOR = '.dropdown-menu.show'; // Data attribute to temporary store the `title` attribute's value
var DATA_TITLE_ATTR = 'data-original-title'; // Data specific to popper and template
// We don't use props, as we need reactivity (we can't pass reactive props)
var templateData = {
// Text string or Scoped slot function
title: '',
// Text string or Scoped slot function
content: '',
// String
variant: null,
// String, Array, Object
customClass: null,
// String or array of Strings (overwritten by BVPopper)
triggers: '',
// String (overwritten by BVPopper)
placement: 'auto',
// String or array of strings
fallbackPlacement: 'flip',
// Element or Component reference (or function that returns element) of
// the element that will have the trigger events bound, and is also
// default element for positioning
target: null,
// HTML ID, Element or Component reference
container: null,
// 'body'
// Boolean
noFade: false,
// 'scrollParent', 'viewport', 'window', Element, or Component reference
boundary: 'scrollParent',
// Tooltip/popover will try and stay away from
// boundary edge by this many pixels (Number)
boundaryPadding: 5,
// Arrow offset (Number)
offset: 0,
// Hover/focus delay (Number or Object)
delay: 0,
// Arrow of Tooltip/popover will try and stay away from
// the edge of tooltip/popover edge by this many pixels
arrowPadding: 6,
// Interactive state (Boolean)
interactive: true,
// Disabled state (Boolean)
disabled: false,
// ID to use for tooltip/popover
id: null,
// Flag used by directives only, for HTML content
html: false
}; // --- Main component ---
// @vue/component
export var BVTooltip = /*#__PURE__*/Vue.extend({
name: NAME_TOOLTIP_HELPER,
mixins: [listenOnRootMixin],
data: function data() {
return _objectSpread(_objectSpread({}, templateData), {}, {
// State management data
activeTrigger: {
// manual: false,
hover: false,
click: false,
focus: false
},
localShow: false
});
},
computed: {
templateType: function templateType() {
// Overwritten by BVPopover
return 'tooltip';
},
computedId: function computedId() {
return this.id || "__bv_".concat(this.templateType, "_").concat(this[COMPONENT_UID_KEY], "__");
},
computedDelay: function computedDelay() {
// Normalizes delay into object form
var delay = {
show: 0,
hide: 0
};
if (isPlainObject(this.delay)) {
delay.show = mathMax(toInteger(this.delay.show, 0), 0);
delay.hide = mathMax(toInteger(this.delay.hide, 0), 0);
} else if (isNumber(this.delay) || isString(this.delay)) {
delay.show = delay.hide = mathMax(toInteger(this.delay, 0), 0);
}
return delay;
},
computedTriggers: function computedTriggers() {
// Returns the triggers in sorted array form
// TODO: Switch this to object form for easier lookup
return concat(this.triggers).filter(identity).join(' ').trim().toLowerCase().split(/\s+/).sort();
},
isWithActiveTrigger: function isWithActiveTrigger() {
for (var trigger in this.activeTrigger) {
if (this.activeTrigger[trigger]) {
return true;
}
}
return false;
},
computedTemplateData: function computedTemplateData() {
var title = this.title,
content = this.content,
variant = this.variant,
customClass = this.customClass,
noFade = this.noFade,
interactive = this.interactive;
return {
title: title,
content: content,
variant: variant,
customClass: customClass,
noFade: noFade,
interactive: interactive
};
}
},
watch: {
computedTriggers: function computedTriggers(newTriggers, oldTriggers) {
var _this = this;
// Triggers have changed, so re-register them
/* istanbul ignore next */
if (!looseEqual(newTriggers, oldTriggers)) {
this.$nextTick(function () {
// Disable trigger listeners
_this.unListen(); // Clear any active triggers that are no longer in the list of triggers
oldTriggers.forEach(function (trigger) {
if (!arrayIncludes(newTriggers, trigger)) {
if (_this.activeTrigger[trigger]) {
_this.activeTrigger[trigger] = false;
}
}
}); // Re-enable the trigger listeners
_this.listen();
});
}
},
computedTemplateData: function computedTemplateData() {
// If any of the while open reactive "props" change,
// ensure that the template updates accordingly
this.handleTemplateUpdate();
},
title: function title(newValue, oldValue) {
// Make sure to hide the tooltip when the title is set empty
if (newValue !== oldValue && !newValue) {
this.hide();
}
},
disabled: function disabled(newValue) {
if (newValue) {
this.disable();
} else {
this.enable();
}
}
},
created: function created() {
var _this2 = this;
// Create non-reactive properties
this.$_tip = null;
this.$_hoverTimeout = null;
this.$_hoverState = '';
this.$_visibleInterval = null;
this.$_enabled = !this.disabled;
this.$_noop = noop.bind(this); // Destroy ourselves when the parent is destroyed
if (this.$parent) {
this.$parent.$once(HOOK_EVENT_NAME_BEFORE_DESTROY, function () {
_this2.$nextTick(function () {
// In a `requestAF()` to release control back to application
requestAF(function () {
_this2.$destroy();
});
});
});
}
this.$nextTick(function () {
var target = _this2.getTarget();
if (target && contains(document.body, target)) {
// Copy the parent's scoped style attribute
_this2.scopeId = getScopeId(_this2.$parent); // Set up all trigger handlers and listeners
_this2.listen();
} else {
/* istanbul ignore next */
warn(isString(_this2.target) ? "Unable to find target element by ID \"#".concat(_this2.target, "\" in document.") : 'The provided target is no valid HTML element.', _this2.templateType);
}
});
},
/* istanbul ignore next */
updated: function updated() {
// Usually called when the slots/data changes
this.$nextTick(this.handleTemplateUpdate);
},
/* istanbul ignore next */
deactivated: function deactivated() {
// In a keepalive that has been deactivated, so hide
// the tooltip/popover if it is showing
this.forceHide();
},
beforeDestroy: function beforeDestroy() {
// Remove all handler/listeners
this.unListen();
this.setWhileOpenListeners(false); // Clear any timeouts/intervals
this.clearHoverTimeout();
this.clearVisibilityInterval(); // Destroy the template
this.destroyTemplate(); // Remove any other private properties created during create
this.$_noop = null;
},
methods: {
// --- Methods for creating and destroying the template ---
getTemplate: function getTemplate() {
// Overridden by BVPopover
return BVTooltipTemplate;
},
updateData: function updateData() {
var _this3 = this;
var data = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
// Method for updating popper/template data
// We only update data if it exists, and has not changed
var titleUpdated = false;
keys(templateData).forEach(function (prop) {
if (!isUndefined(data[prop]) && _this3[prop] !== data[prop]) {
_this3[prop] = data[prop];
if (prop === 'title') {
titleUpdated = true;
}
}
}); // If the title has updated, we may need to handle the `title`
// attribute on the trigger target
// We only do this while the template is open
if (titleUpdated && this.localShow) {
this.fixTitle();
}
},
createTemplateAndShow: function createTemplateAndShow() {
// Creates the template instance and show it
var container = this.getContainer();
var Template = this.getTemplate();
var $tip = this.$_tip = new Template({
parent: this,
// The following is not reactive to changes in the props data
propsData: {
// These values cannot be changed while template is showing
id: this.computedId,
html: this.html,
placement: this.placement,
fallbackPlacement: this.fallbackPlacement,
target: this.getPlacementTarget(),
boundary: this.getBoundary(),
// Ensure the following are integers
offset: toInteger(this.offset, 0),
arrowPadding: toInteger(this.arrowPadding, 0),
boundaryPadding: toInteger(this.boundaryPadding, 0)
}
}); // We set the initial reactive data (values that can be changed while open)
this.handleTemplateUpdate(); // Template transition phase events (handled once only)
// When the template has mounted, but not visibly shown yet
$tip.$once(EVENT_NAME_SHOW, this.onTemplateShow); // When the template has completed showing
$tip.$once(EVENT_NAME_SHOWN, this.onTemplateShown); // When the template has started to hide
$tip.$once(EVENT_NAME_HIDE, this.onTemplateHide); // When the template has completed hiding
$tip.$once(EVENT_NAME_HIDDEN, this.onTemplateHidden); // When the template gets destroyed for any reason
$tip.$once(HOOK_EVENT_NAME_DESTROYED, this.destroyTemplate); // Convenience events from template
// To save us from manually adding/removing DOM
// listeners to tip element when it is open
$tip.$on(EVENT_NAME_FOCUSIN, this.handleEvent);
$tip.$on(EVENT_NAME_FOCUSOUT, this.handleEvent);
$tip.$on(EVENT_NAME_MOUSEENTER, this.handleEvent);
$tip.$on(EVENT_NAME_MOUSELEAVE, this.handleEvent); // Mount (which triggers the `show`)
$tip.$mount(container.appendChild(document.createElement('div'))); // Template will automatically remove its markup from DOM when hidden
},
hideTemplate: function hideTemplate() {
// Trigger the template to start hiding
// The template will emit the `hide` event after this and
// then emit the `hidden` event once it is fully hidden
// The `hook:destroyed` will also be called (safety measure)
this.$_tip && this.$_tip.hide(); // Clear out any stragging active triggers
this.clearActiveTriggers(); // Reset the hover state
this.$_hoverState = '';
},
// Destroy the template instance and reset state
destroyTemplate: function destroyTemplate() {
this.setWhileOpenListeners(false);
this.clearHoverTimeout();
this.$_hoverState = '';
this.clearActiveTriggers();
this.localPlacementTarget = null;
try {
this.$_tip.$destroy();
} catch (_unused) {}
this.$_tip = null;
this.removeAriaDescribedby();
this.restoreTitle();
this.localShow = false;
},
getTemplateElement: function getTemplateElement() {
return this.$_tip ? this.$_tip.$el : null;
},
handleTemplateUpdate: function handleTemplateUpdate() {
var _this4 = this;
// Update our template title/content "props"
// So that the template updates accordingly
var $tip = this.$_tip;
if ($tip) {
var props = ['title', 'content', 'variant', 'customClass', 'noFade', 'interactive']; // Only update the values if they have changed
props.forEach(function (prop) {
if ($tip[prop] !== _this4[prop]) {
$tip[prop] = _this4[prop];
}
});
}
},
// --- Show/Hide handlers ---
// Show the tooltip
show: function show() {
var target = this.getTarget();
if (!target || !contains(document.body, target) || !isVisible(target) || this.dropdownOpen() || (isUndefinedOrNull(this.title) || this.title === '') && (isUndefinedOrNull(this.content) || this.content === '')) {
// If trigger element isn't in the DOM or is not visible, or
// is on an open dropdown toggle, or has no content, then
// we exit without showing
return;
} // If tip already exists, exit early
if (this.$_tip || this.localShow) {
/* istanbul ignore next */
return;
} // In the process of showing
this.localShow = true; // Create a cancelable BvEvent
var showEvt = this.buildEvent(EVENT_NAME_SHOW, {
cancelable: true
});
this.emitEvent(showEvt); // Don't show if event cancelled
/* istanbul ignore if */
if (showEvt.defaultPrevented) {
// Destroy the template (if for some reason it was created)
this.destroyTemplate();
return;
} // Fix the title attribute on target
this.fixTitle(); // Set aria-describedby on target
this.addAriaDescribedby(); // Create and show the tooltip
this.createTemplateAndShow();
},
hide: function hide() {
var force = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
// Hide the tooltip
var tip = this.getTemplateElement();
/* istanbul ignore if */
if (!tip || !this.localShow) {
this.restoreTitle();
return;
} // Emit cancelable BvEvent 'hide'
// We disable cancelling if `force` is true
var hideEvt = this.buildEvent(EVENT_NAME_HIDE, {
cancelable: !force
});
this.emitEvent(hideEvt);
/* istanbul ignore if: ignore for now */
if (hideEvt.defaultPrevented) {
// Don't hide if event cancelled
return;
} // Tell the template to hide
this.hideTemplate();
},
forceHide: function forceHide() {
// Forcefully hides/destroys the template, regardless of any active triggers
var tip = this.getTemplateElement();
if (!tip || !this.localShow) {
/* istanbul ignore next */
return;
} // Disable while open listeners/watchers
// This is also done in the template `hide` event handler
this.setWhileOpenListeners(false); // Clear any hover enter/leave event
this.clearHoverTimeout();
this.$_hoverState = '';
this.clearActiveTriggers(); // Disable the fade animation on the template
if (this.$_tip) {
this.$_tip.noFade = true;
} // Hide the tip (with force = true)
this.hide(true);
},
enable: function enable() {
this.$_enabled = true; // Create a non-cancelable BvEvent
this.emitEvent(this.buildEvent(EVENT_NAME_ENABLED));
},
disable: function disable() {
this.$_enabled = false; // Create a non-cancelable BvEvent
this.emitEvent(this.buildEvent(EVENT_NAME_DISABLED));
},
// --- Handlers for template events ---
// When template is inserted into DOM, but not yet shown
onTemplateShow: function onTemplateShow() {
// Enable while open listeners/watchers
this.setWhileOpenListeners(true);
},
// When template show transition completes
onTemplateShown: function onTemplateShown() {
var prevHoverState = this.$_hoverState;
this.$_hoverState = '';
/* istanbul ignore next: occasional Node 10 coverage error */
if (prevHoverState === 'out') {
this.leave(null);
} // Emit a non-cancelable BvEvent 'shown'
this.emitEvent(this.buildEvent(EVENT_NAME_SHOWN));
},
// When template is starting to hide
onTemplateHide: function onTemplateHide() {
// Disable while open listeners/watchers
this.setWhileOpenListeners(false);
},
// When template has completed closing (just before it self destructs)
onTemplateHidden: function onTemplateHidden() {
// Destroy the template
this.destroyTemplate(); // Emit a non-cancelable BvEvent 'shown'
this.emitEvent(this.buildEvent(EVENT_NAME_HIDDEN));
},
// --- Helper methods ---
getTarget: function getTarget() {
var target = this.target;
if (isString(target)) {
target = getById(target.replace(/^#/, ''));
} else if (isFunction(target)) {
target = target();
} else if (target) {
target = target.$el || target;
}
return isElement(target) ? target : null;
},
getPlacementTarget: function getPlacementTarget() {
// This is the target that the tooltip will be placed on, which may not
// necessarily be the same element that has the trigger event listeners
// For now, this is the same as target
// TODO:
// Add in child selector support
// Add in visibility checks for this element
// Fallback to target if not found
return this.getTarget();
},
getTargetId: function getTargetId() {
// Returns the ID of the trigger element
var target = this.getTarget();
return target && target.id ? target.id : null;
},
getContainer: function getContainer() {
// Handle case where container may be a component ref
var container = this.container ? this.container.$el || this.container : false;
var body = document.body;
var target = this.getTarget(); // If we are in a modal, we append to the modal, If we
// are in a sidebar, we append to the sidebar, else append
// to body, unless a container is specified
// TODO:
// Template should periodically check to see if it is in dom
// And if not, self destruct (if container got v-if'ed out of DOM)
// Or this could possibly be part of the visibility check
return container === false ? closest(CONTAINER_SELECTOR, target) || body :
/*istanbul ignore next */
isString(container) ?
/*istanbul ignore next */
getById(container.replace(/^#/, '')) || body :
/*istanbul ignore next */
body;
},
getBoundary: function getBoundary() {
return this.boundary ? this.boundary.$el || this.boundary : 'scrollParent';
},
isInModal: function isInModal() {
var target = this.getTarget();
return target && closest(MODAL_SELECTOR, target);
},
isDropdown: function isDropdown() {
// Returns true if trigger is a dropdown
var target = this.getTarget();
return target && hasClass(target, DROPDOWN_CLASS);
},
dropdownOpen: function dropdownOpen() {
// Returns true if trigger is a dropdown and the dropdown menu is open
var target = this.getTarget();
return this.isDropdown() && target && select(DROPDOWN_OPEN_SELECTOR, target);
},
clearHoverTimeout: function clearHoverTimeout() {
clearTimeout(this.$_hoverTimeout);
this.$_hoverTimeout = null;
},
clearVisibilityInterval: function clearVisibilityInterval() {
clearInterval(this.$_visibleInterval);
this.$_visibleInterval = null;
},
clearActiveTriggers: function clearActiveTriggers() {
for (var trigger in this.activeTrigger) {
this.activeTrigger[trigger] = false;
}
},
addAriaDescribedby: function addAriaDescribedby() {
// Add aria-describedby on trigger element, without removing any other IDs
var target = this.getTarget();
var desc = getAttr(target, 'aria-describedby') || '';
desc = desc.split(/\s+/).concat(this.computedId).join(' ').trim(); // Update/add aria-described by
setAttr(target, 'aria-describedby', desc);
},
removeAriaDescribedby: function removeAriaDescribedby() {
var _this5 = this;
// Remove aria-describedby on trigger element, without removing any other IDs
var target = this.getTarget();
var desc = getAttr(target, 'aria-describedby') || '';
desc = desc.split(/\s+/).filter(function (d) {
return d !== _this5.computedId;
}).join(' ').trim(); // Update or remove aria-describedby
if (desc) {
/* istanbul ignore next */
setAttr(target, 'aria-describedby', desc);
} else {
removeAttr(target, 'aria-describedby');
}
},
fixTitle: function fixTitle() {
// If the target has a `title` attribute,
// remove it and store it on a data attribute
var target = this.getTarget();
if (hasAttr(target, 'title')) {
// Get `title` attribute value and remove it from target
var title = getAttr(target, 'title');
setAttr(target, 'title', ''); // Only set the data attribute when the value is truthy
if (title) {
setAttr(target, DATA_TITLE_ATTR, title);
}
}
},
restoreTitle: function restoreTitle() {
// If the target had a `title` attribute,
// restore it and remove the data attribute
var target = this.getTarget();
if (hasAttr(target, DATA_TITLE_ATTR)) {
// Get data attribute value and remove it from target
var title = getAttr(target, DATA_TITLE_ATTR);
removeAttr(target, DATA_TITLE_ATTR); // Only restore the `title` attribute when the value is truthy
if (title) {
setAttr(target, 'title', title);
}
}
},
// --- BvEvent helpers ---
buildEvent: function buildEvent(type) {
var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
// Defaults to a non-cancellable event
return new BvEvent(type, _objectSpread({
cancelable: false,
target: this.getTarget(),
relatedTarget: this.getTemplateElement() || null,
componentId: this.computedId,
vueTarget: this
}, options));
},
emitEvent: function emitEvent(bvEvent) {
var type = bvEvent.type;
this.emitOnRoot(getRootEventName(this.templateType, type), bvEvent);
this.$emit(type, bvEvent);
},
// --- Event handler setup methods ---
listen: function listen() {
var _this6 = this;
// Enable trigger event handlers
var el = this.getTarget();
if (!el) {
/* istanbul ignore next */
return;
} // Listen for global show/hide events
this.setRootListener(true); // Set up our listeners on the target trigger element
this.computedTriggers.forEach(function (trigger) {
if (trigger === 'click') {
eventOn(el, 'click', _this6.handleEvent, EVENT_OPTIONS_NO_CAPTURE);
} else if (trigger === 'focus') {
eventOn(el, 'focusin', _this6.handleEvent, EVENT_OPTIONS_NO_CAPTURE);
eventOn(el, 'focusout', _this6.handleEvent, EVENT_OPTIONS_NO_CAPTURE);
} else if (trigger === 'blur') {
// Used to close $tip when element looses focus
/* istanbul ignore next */
eventOn(el, 'focusout', _this6.handleEvent, EVENT_OPTIONS_NO_CAPTURE);
} else if (trigger === 'hover') {
eventOn(el, 'mouseenter', _this6.handleEvent, EVENT_OPTIONS_NO_CAPTURE);
eventOn(el, 'mouseleave', _this6.handleEvent, EVENT_OPTIONS_NO_CAPTURE);
}
}, this);
},
/* istanbul ignore next */
unListen: function unListen() {
var _this7 = this;
// Remove trigger event handlers
var events = ['click', 'focusin', 'focusout', 'mouseenter', 'mouseleave'];
var target = this.getTarget(); // Stop listening for global show/hide/enable/disable events
this.setRootListener(false); // Clear out any active target listeners
events.forEach(function (event) {
target && eventOff(target, event, _this7.handleEvent, EVENT_OPTIONS_NO_CAPTURE);
}, this);
},
setRootListener: function setRootListener(on) {
// Listen for global `bv::{hide|show}::{tooltip|popover}` hide request event
var $root = this.$root;
if ($root) {
var method = on ? '$on' : '$off';
var type = this.templateType;
$root[method](getRootActionEventName(type, EVENT_NAME_HIDE), this.doHide);
$root[method](getRootActionEventName(type, EVENT_NAME_SHOW), this.doShow);
$root[method](getRootActionEventName(type, EVENT_NAME_DISABLE), this.doDisable);
$root[method](getRootActionEventName(type, EVENT_NAME_ENABLE), this.doEnable);
}
},
setWhileOpenListeners: function setWhileOpenListeners(on) {
// Events that are only registered when the template is showing
// Modal close events
this.setModalListener(on); // Dropdown open events (if we are attached to a dropdown)
this.setDropdownListener(on); // Periodic $element visibility check
// For handling when tip target is in <keepalive>, tabs, carousel, etc
this.visibleCheck(on); // On-touch start listeners
this.setOnTouchStartListener(on);
},
// Handler for periodic visibility check
visibleCheck: function visibleCheck(on) {
var _this8 = this;
this.clearVisibilityInterval();
var target = this.getTarget();
var tip = this.getTemplateElement();
if (on) {
this.$_visibleInterval = setInterval(function () {
if (tip && _this8.localShow && (!target.parentNode || !isVisible(target))) {
// Target element is no longer visible or not in DOM, so force-hide the tooltip
_this8.forceHide();
}
}, 100);
}
},
setModalListener: function setModalListener(on) {
// Handle case where tooltip/target is in a modal
if (this.isInModal()) {
// We can listen for modal hidden events on `$root`
this.$root[on ? '$on' : '$off'](ROOT_EVENT_NAME_MODAL_HIDDEN, this.forceHide);
}
},
/* istanbul ignore next: JSDOM doesn't support `ontouchstart` */
setOnTouchStartListener: function setOnTouchStartListener(on) {
var _this9 = this;
// If this is a touch-enabled device we add extra empty
// `mouseover` listeners to the body's immediate children
// Only needed because of broken event delegation on iOS
// https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html
if ('ontouchstart' in document.documentElement) {
arrayFrom(document.body.children).forEach(function (el) {
eventOnOff(on, el, 'mouseover', _this9.$_noop);
});
}
},
setDropdownListener: function setDropdownListener(on) {
var target = this.getTarget();
if (!target || !this.$root || !this.isDropdown) {
return;
} // We can listen for dropdown shown events on its instance
// TODO:
// We could grab the ID from the dropdown, and listen for
// $root events for that particular dropdown id
// Dropdown shown and hidden events will need to emit
// Note: Dropdown auto-ID happens in a `$nextTick()` after mount
// So the ID lookup would need to be done in a `$nextTick()`
if (target.__vue__) {
target.__vue__[on ? '$on' : '$off'](EVENT_NAME_SHOWN, this.forceHide);
}
},
// --- Event handlers ---
handleEvent: function handleEvent(event) {
// General trigger event handler
// target is the trigger element
var target = this.getTarget();
if (!target || isDisabled(target) || !this.$_enabled || this.dropdownOpen()) {
// If disabled or not enabled, or if a dropdown that is open, don't do anything
// If tip is shown before element gets disabled, then tip will not
// close until no longer disabled or forcefully closed
return;
}
var type = event.type;
var triggers = this.computedTriggers;
if (type === 'click' && arrayIncludes(triggers, 'click')) {
this.click(event);
} else if (type === 'mouseenter' && arrayIncludes(triggers, 'hover')) {
// `mouseenter` is a non-bubbling event
this.enter(event);
} else if (type === 'focusin' && arrayIncludes(triggers, 'focus')) {
// `focusin` is a bubbling event
// `event` includes `relatedTarget` (element losing focus)
this.enter(event);
} else if (type === 'focusout' && (arrayIncludes(triggers, 'focus') || arrayIncludes(triggers, 'blur')) || type === 'mouseleave' && arrayIncludes(triggers, 'hover')) {
// `focusout` is a bubbling event
// `mouseleave` is a non-bubbling event
// `tip` is the template (will be null if not open)
var tip = this.getTemplateElement(); // `eventTarget` is the element which is losing focus/hover and
var eventTarget = event.target; // `relatedTarget` is the element gaining focus/hover
var relatedTarget = event.relatedTarget;
/* istanbul ignore next */
if ( // From tip to target
tip && contains(tip, eventTarget) && contains(target, relatedTarget) || // From target to tip
tip && contains(target, eventTarget) && contains(tip, relatedTarget) || // Within tip
tip && contains(tip, eventTarget) && contains(tip, relatedTarget) || // Within target
contains(target, eventTarget) && contains(target, relatedTarget)) {
// If focus/hover moves within `tip` and `target`, don't trigger a leave
return;
} // Otherwise trigger a leave
this.leave(event);
}
},
doHide: function doHide(id) {
// Programmatically hide tooltip or popover
if (!id || this.getTargetId() === id || this.computedId === id) {
// Close all tooltips or popovers, or this specific tip (with ID)
this.forceHide();
}
},
doShow: function doShow(id) {
// Programmatically show tooltip or popover
if (!id || this.getTargetId() === id || this.computedId === id) {
// Open all tooltips or popovers, or this specific tip (with ID)
this.show();
}
},
/*istanbul ignore next: ignore for now */
doDisable: function doDisable(id)
/*istanbul ignore next: ignore for now */
{
// Programmatically disable tooltip or popover
if (!id || this.getTargetId() === id || this.computedId === id) {
// Disable all tooltips or popovers (no ID), or this specific tip (with ID)
this.disable();
}
},
/*istanbul ignore next: ignore for now */
doEnable: function doEnable(id)
/*istanbul ignore next: ignore for now */
{
// Programmatically enable tooltip or popover
if (!id || this.getTargetId() === id || this.computedId === id) {
// Enable all tooltips or popovers (no ID), or this specific tip (with ID)
this.enable();
}
},
click: function click(event) {
if (!this.$_enabled || this.dropdownOpen()) {
/* istanbul ignore next */
return;
} // Get around a WebKit bug where `click` does not trigger focus events
// On most browsers, `click` triggers a `focusin`/`focus` event first
// Needed so that trigger 'click blur' works on iOS
// https://github.com/bootstrap-vue/bootstrap-vue/issues/5099
// We use `currentTarget` rather than `target` to trigger on the
// element, not the inner content
attemptFocus(event.currentTarget);
this.activeTrigger.click = !this.activeTrigger.click;
if (this.isWithActiveTrigger) {
this.enter(null);
} else {
/* istanbul ignore next */
this.leave(null);
}
},
/* istanbul ignore next */
toggle: function toggle() {
// Manual toggle handler
if (!this.$_enabled || this.dropdownOpen()) {
/* istanbul ignore next */
return;
} // Should we register as an active trigger?
// this.activeTrigger.manual = !this.activeTrigger.manual
if (this.localShow) {
this.leave(null);
} else {
this.enter(null);
}
},
enter: function enter() {
var _this10 = this;
var event = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;
// Opening trigger handler
// Note: Click events are sent with event === null
if (event) {
this.activeTrigger[event.type === 'focusin' ? 'focus' : 'hover'] = true;
}
/* istanbul ignore next */
if (this.localShow || this.$_hoverState === 'in') {
this.$_hoverState = 'in';
return;
}
this.clearHoverTimeout();
this.$_hoverState = 'in';
if (!this.computedDelay.show) {
this.show();
} else {
// Hide any title attribute while enter delay is active
this.fixTitle();
this.$_hoverTimeout = setTimeout(function () {
/* istanbul ignore else */
if (_this10.$_hoverState === 'in') {
_this10.show();
} else if (!_this10.localShow) {
_this10.restoreTitle();
}
}, this.computedDelay.show);
}
},
leave: function leave() {
var _this11 = this;
var event = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;
// Closing trigger handler
// Note: Click events are sent with event === null
if (event) {
this.activeTrigger[event.type === 'focusout' ? 'focus' : 'hover'] = false;
/* istanbul ignore next */
if (event.type === 'focusout' && arrayIncludes(this.computedTriggers, 'blur')) {
// Special case for `blur`: we clear out the other triggers
this.activeTrigger.click = false;
this.activeTrigger.hover = false;
}
}
/* istanbul ignore next: ignore for now */
if (this.isWithActiveTrigger) {
return;
}
this.clearHoverTimeout();
this.$_hoverState = 'out';
if (!this.computedDelay.hide) {
this.hide();
} else {
this.$_hoverTimeout = setTimeout(function () {
if (_this11.$_hoverState === 'out') {
_this11.hide();
}
}, this.computedDelay.hide);
}
}
}
});