VLEX/BPM-UI/node_modules/@material/ripple/foundation.js

/**
 * @license
 * Copyright 2016 Google Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
import * as tslib_1 from "tslib";
import { MDCFoundation } from '@material/base/foundation';
import { cssClasses, numbers, strings } from './constants';
import { getNormalizedEventCoords } from './util';
// Activation events registered on the root element of each instance for activation
var ACTIVATION_EVENT_TYPES = [
    'touchstart', 'pointerdown', 'mousedown', 'keydown',
];
// Deactivation events registered on documentElement when a pointer-related down event occurs
var POINTER_DEACTIVATION_EVENT_TYPES = [
    'touchend', 'pointerup', 'mouseup', 'contextmenu',
];
// simultaneous nested activations
var activatedTargets = [];
var MDCRippleFoundation = /** @class */ (function (_super) {
    tslib_1.__extends(MDCRippleFoundation, _super);
    function MDCRippleFoundation(adapter) {
        var _this = _super.call(this, tslib_1.__assign({}, MDCRippleFoundation.defaultAdapter, adapter)) || this;
        _this.activationAnimationHasEnded_ = false;
        _this.activationTimer_ = 0;
        _this.fgDeactivationRemovalTimer_ = 0;
        _this.fgScale_ = '0';
        _this.frame_ = { width: 0, height: 0 };
        _this.initialSize_ = 0;
        _this.layoutFrame_ = 0;
        _this.maxRadius_ = 0;
        _this.unboundedCoords_ = { left: 0, top: 0 };
        _this.activationState_ = _this.defaultActivationState_();
        _this.activationTimerCallback_ = function () {
            _this.activationAnimationHasEnded_ = true;
            _this.runDeactivationUXLogicIfReady_();
        };
        _this.activateHandler_ = function (e) { return _this.activate_(e); };
        _this.deactivateHandler_ = function () { return _this.deactivate_(); };
        _this.focusHandler_ = function () { return _this.handleFocus(); };
        _this.blurHandler_ = function () { return _this.handleBlur(); };
        _this.resizeHandler_ = function () { return _this.layout(); };
        return _this;
    }
    Object.defineProperty(MDCRippleFoundation, "cssClasses", {
        get: function () {
            return cssClasses;
        },
        enumerable: true,
        configurable: true
    });
    Object.defineProperty(MDCRippleFoundation, "strings", {
        get: function () {
            return strings;
        },
        enumerable: true,
        configurable: true
    });
    Object.defineProperty(MDCRippleFoundation, "numbers", {
        get: function () {
            return numbers;
        },
        enumerable: true,
        configurable: true
    });
    Object.defineProperty(MDCRippleFoundation, "defaultAdapter", {
        get: function () {
            return {
                addClass: function () { return undefined; },
                browserSupportsCssVars: function () { return true; },
                computeBoundingRect: function () { return ({ top: 0, right: 0, bottom: 0, left: 0, width: 0, height: 0 }); },
                containsEventTarget: function () { return true; },
                deregisterDocumentInteractionHandler: function () { return undefined; },
                deregisterInteractionHandler: function () { return undefined; },
                deregisterResizeHandler: function () { return undefined; },
                getWindowPageOffset: function () { return ({ x: 0, y: 0 }); },
                isSurfaceActive: function () { return true; },
                isSurfaceDisabled: function () { return true; },
                isUnbounded: function () { return true; },
                registerDocumentInteractionHandler: function () { return undefined; },
                registerInteractionHandler: function () { return undefined; },
                registerResizeHandler: function () { return undefined; },
                removeClass: function () { return undefined; },
                updateCssVariable: function () { return undefined; },
            };
        },
        enumerable: true,
        configurable: true
    });
    MDCRippleFoundation.prototype.init = function () {
        var _this = this;
        var supportsPressRipple = this.supportsPressRipple_();
        this.registerRootHandlers_(supportsPressRipple);
        if (supportsPressRipple) {
            var _a = MDCRippleFoundation.cssClasses, ROOT_1 = _a.ROOT, UNBOUNDED_1 = _a.UNBOUNDED;
            requestAnimationFrame(function () {
                _this.adapter_.addClass(ROOT_1);
                if (_this.adapter_.isUnbounded()) {
                    _this.adapter_.addClass(UNBOUNDED_1);
                    // Unbounded ripples need layout logic applied immediately to set coordinates for both shade and ripple
                    _this.layoutInternal_();
                }
            });
        }
    };
    MDCRippleFoundation.prototype.destroy = function () {
        var _this = this;
        if (this.supportsPressRipple_()) {
            if (this.activationTimer_) {
                clearTimeout(this.activationTimer_);
                this.activationTimer_ = 0;
                this.adapter_.removeClass(MDCRippleFoundation.cssClasses.FG_ACTIVATION);
            }
            if (this.fgDeactivationRemovalTimer_) {
                clearTimeout(this.fgDeactivationRemovalTimer_);
                this.fgDeactivationRemovalTimer_ = 0;
                this.adapter_.removeClass(MDCRippleFoundation.cssClasses.FG_DEACTIVATION);
            }
            var _a = MDCRippleFoundation.cssClasses, ROOT_2 = _a.ROOT, UNBOUNDED_2 = _a.UNBOUNDED;
            requestAnimationFrame(function () {
                _this.adapter_.removeClass(ROOT_2);
                _this.adapter_.removeClass(UNBOUNDED_2);
                _this.removeCssVars_();
            });
        }
        this.deregisterRootHandlers_();
        this.deregisterDeactivationHandlers_();
    };
    /**
     * @param evt Optional event containing position information.
     */
    MDCRippleFoundation.prototype.activate = function (evt) {
        this.activate_(evt);
    };
    MDCRippleFoundation.prototype.deactivate = function () {
        this.deactivate_();
    };
    MDCRippleFoundation.prototype.layout = function () {
        var _this = this;
        if (this.layoutFrame_) {
            cancelAnimationFrame(this.layoutFrame_);
        }
        this.layoutFrame_ = requestAnimationFrame(function () {
            _this.layoutInternal_();
            _this.layoutFrame_ = 0;
        });
    };
    MDCRippleFoundation.prototype.setUnbounded = function (unbounded) {
        var UNBOUNDED = MDCRippleFoundation.cssClasses.UNBOUNDED;
        if (unbounded) {
            this.adapter_.addClass(UNBOUNDED);
        }
        else {
            this.adapter_.removeClass(UNBOUNDED);
        }
    };
    MDCRippleFoundation.prototype.handleFocus = function () {
        var _this = this;
        requestAnimationFrame(function () {
            return _this.adapter_.addClass(MDCRippleFoundation.cssClasses.BG_FOCUSED);
        });
    };
    MDCRippleFoundation.prototype.handleBlur = function () {
        var _this = this;
        requestAnimationFrame(function () {
            return _this.adapter_.removeClass(MDCRippleFoundation.cssClasses.BG_FOCUSED);
        });
    };
    /**
     * We compute this property so that we are not querying information about the client
     * until the point in time where the foundation requests it. This prevents scenarios where
     * client-side feature-detection may happen too early, such as when components are rendered on the server
     * and then initialized at mount time on the client.
     */
    MDCRippleFoundation.prototype.supportsPressRipple_ = function () {
        return this.adapter_.browserSupportsCssVars();
    };
    MDCRippleFoundation.prototype.defaultActivationState_ = function () {
        return {
            activationEvent: undefined,
            hasDeactivationUXRun: false,
            isActivated: false,
            isProgrammatic: false,
            wasActivatedByPointer: false,
            wasElementMadeActive: false,
        };
    };
    /**
     * supportsPressRipple Passed from init to save a redundant function call
     */
    MDCRippleFoundation.prototype.registerRootHandlers_ = function (supportsPressRipple) {
        var _this = this;
        if (supportsPressRipple) {
            ACTIVATION_EVENT_TYPES.forEach(function (evtType) {
                _this.adapter_.registerInteractionHandler(evtType, _this.activateHandler_);
            });
            if (this.adapter_.isUnbounded()) {
                this.adapter_.registerResizeHandler(this.resizeHandler_);
            }
        }
        this.adapter_.registerInteractionHandler('focus', this.focusHandler_);
        this.adapter_.registerInteractionHandler('blur', this.blurHandler_);
    };
    MDCRippleFoundation.prototype.registerDeactivationHandlers_ = function (evt) {
        var _this = this;
        if (evt.type === 'keydown') {
            this.adapter_.registerInteractionHandler('keyup', this.deactivateHandler_);
        }
        else {
            POINTER_DEACTIVATION_EVENT_TYPES.forEach(function (evtType) {
                _this.adapter_.registerDocumentInteractionHandler(evtType, _this.deactivateHandler_);
            });
        }
    };
    MDCRippleFoundation.prototype.deregisterRootHandlers_ = function () {
        var _this = this;
        ACTIVATION_EVENT_TYPES.forEach(function (evtType) {
            _this.adapter_.deregisterInteractionHandler(evtType, _this.activateHandler_);
        });
        this.adapter_.deregisterInteractionHandler('focus', this.focusHandler_);
        this.adapter_.deregisterInteractionHandler('blur', this.blurHandler_);
        if (this.adapter_.isUnbounded()) {
            this.adapter_.deregisterResizeHandler(this.resizeHandler_);
        }
    };
    MDCRippleFoundation.prototype.deregisterDeactivationHandlers_ = function () {
        var _this = this;
        this.adapter_.deregisterInteractionHandler('keyup', this.deactivateHandler_);
        POINTER_DEACTIVATION_EVENT_TYPES.forEach(function (evtType) {
            _this.adapter_.deregisterDocumentInteractionHandler(evtType, _this.deactivateHandler_);
        });
    };
    MDCRippleFoundation.prototype.removeCssVars_ = function () {
        var _this = this;
        var rippleStrings = MDCRippleFoundation.strings;
        var keys = Object.keys(rippleStrings);
        keys.forEach(function (key) {
            if (key.indexOf('VAR_') === 0) {
                _this.adapter_.updateCssVariable(rippleStrings[key], null);
            }
        });
    };
    MDCRippleFoundation.prototype.activate_ = function (evt) {
        var _this = this;
        if (this.adapter_.isSurfaceDisabled()) {
            return;
        }
        var activationState = this.activationState_;
        if (activationState.isActivated) {
            return;
        }
        // Avoid reacting to follow-on events fired by touch device after an already-processed user interaction
        var previousActivationEvent = this.previousActivationEvent_;
        var isSameInteraction = previousActivationEvent && evt !== undefined && previousActivationEvent.type !== evt.type;
        if (isSameInteraction) {
            return;
        }
        activationState.isActivated = true;
        activationState.isProgrammatic = evt === undefined;
        activationState.activationEvent = evt;
        activationState.wasActivatedByPointer = activationState.isProgrammatic ? false : evt !== undefined && (evt.type === 'mousedown' || evt.type === 'touchstart' || evt.type === 'pointerdown');
        var hasActivatedChild = evt !== undefined && activatedTargets.length > 0 && activatedTargets.some(function (target) { return _this.adapter_.containsEventTarget(target); });
        if (hasActivatedChild) {
            // Immediately reset activation state, while preserving logic that prevents touch follow-on events
            this.resetActivationState_();
            return;
        }
        if (evt !== undefined) {
            activatedTargets.push(evt.target);
            this.registerDeactivationHandlers_(evt);
        }
        activationState.wasElementMadeActive = this.checkElementMadeActive_(evt);
        if (activationState.wasElementMadeActive) {
            this.animateActivation_();
        }
        requestAnimationFrame(function () {
            // Reset array on next frame after the current event has had a chance to bubble to prevent ancestor ripples
            activatedTargets = [];
            if (!activationState.wasElementMadeActive
                && evt !== undefined
                && (evt.key === ' ' || evt.keyCode === 32)) {
                // If space was pressed, try again within an rAF call to detect :active, because different UAs report
                // active states inconsistently when they're called within event handling code:
                // - https://bugs.chromium.org/p/chromium/issues/detail?id=635971
                // - https://bugzilla.mozilla.org/show_bug.cgi?id=1293741
                // We try first outside rAF to support Edge, which does not exhibit this problem, but will crash if a CSS
                // variable is set within a rAF callback for a submit button interaction (#2241).
                activationState.wasElementMadeActive = _this.checkElementMadeActive_(evt);
                if (activationState.wasElementMadeActive) {
                    _this.animateActivation_();
                }
            }
            if (!activationState.wasElementMadeActive) {
                // Reset activation state immediately if element was not made active.
                _this.activationState_ = _this.defaultActivationState_();
            }
        });
    };
    MDCRippleFoundation.prototype.checkElementMadeActive_ = function (evt) {
        return (evt !== undefined && evt.type === 'keydown') ? this.adapter_.isSurfaceActive() : true;
    };
    MDCRippleFoundation.prototype.animateActivation_ = function () {
        var _this = this;
        var _a = MDCRippleFoundation.strings, VAR_FG_TRANSLATE_START = _a.VAR_FG_TRANSLATE_START, VAR_FG_TRANSLATE_END = _a.VAR_FG_TRANSLATE_END;
        var _b = MDCRippleFoundation.cssClasses, FG_DEACTIVATION = _b.FG_DEACTIVATION, FG_ACTIVATION = _b.FG_ACTIVATION;
        var DEACTIVATION_TIMEOUT_MS = MDCRippleFoundation.numbers.DEACTIVATION_TIMEOUT_MS;
        this.layoutInternal_();
        var translateStart = '';
        var translateEnd = '';
        if (!this.adapter_.isUnbounded()) {
            var _c = this.getFgTranslationCoordinates_(), startPoint = _c.startPoint, endPoint = _c.endPoint;
            translateStart = startPoint.x + "px, " + startPoint.y + "px";
            translateEnd = endPoint.x + "px, " + endPoint.y + "px";
        }
        this.adapter_.updateCssVariable(VAR_FG_TRANSLATE_START, translateStart);
        this.adapter_.updateCssVariable(VAR_FG_TRANSLATE_END, translateEnd);
        // Cancel any ongoing activation/deactivation animations
        clearTimeout(this.activationTimer_);
        clearTimeout(this.fgDeactivationRemovalTimer_);
        this.rmBoundedActivationClasses_();
        this.adapter_.removeClass(FG_DEACTIVATION);
        // Force layout in order to re-trigger the animation.
        this.adapter_.computeBoundingRect();
        this.adapter_.addClass(FG_ACTIVATION);
        this.activationTimer_ = setTimeout(function () { return _this.activationTimerCallback_(); }, DEACTIVATION_TIMEOUT_MS);
    };
    MDCRippleFoundation.prototype.getFgTranslationCoordinates_ = function () {
        var _a = this.activationState_, activationEvent = _a.activationEvent, wasActivatedByPointer = _a.wasActivatedByPointer;
        var startPoint;
        if (wasActivatedByPointer) {
            startPoint = getNormalizedEventCoords(activationEvent, this.adapter_.getWindowPageOffset(), this.adapter_.computeBoundingRect());
        }
        else {
            startPoint = {
                x: this.frame_.width / 2,
                y: this.frame_.height / 2,
            };
        }
        // Center the element around the start point.
        startPoint = {
            x: startPoint.x - (this.initialSize_ / 2),
            y: startPoint.y - (this.initialSize_ / 2),
        };
        var endPoint = {
            x: (this.frame_.width / 2) - (this.initialSize_ / 2),
            y: (this.frame_.height / 2) - (this.initialSize_ / 2),
        };
        return { startPoint: startPoint, endPoint: endPoint };
    };
    MDCRippleFoundation.prototype.runDeactivationUXLogicIfReady_ = function () {
        var _this = this;
        // This method is called both when a pointing device is released, and when the activation animation ends.
        // The deactivation animation should only run after both of those occur.
        var FG_DEACTIVATION = MDCRippleFoundation.cssClasses.FG_DEACTIVATION;
        var _a = this.activationState_, hasDeactivationUXRun = _a.hasDeactivationUXRun, isActivated = _a.isActivated;
        var activationHasEnded = hasDeactivationUXRun || !isActivated;
        if (activationHasEnded && this.activationAnimationHasEnded_) {
            this.rmBoundedActivationClasses_();
            this.adapter_.addClass(FG_DEACTIVATION);
            this.fgDeactivationRemovalTimer_ = setTimeout(function () {
                _this.adapter_.removeClass(FG_DEACTIVATION);
            }, numbers.FG_DEACTIVATION_MS);
        }
    };
    MDCRippleFoundation.prototype.rmBoundedActivationClasses_ = function () {
        var FG_ACTIVATION = MDCRippleFoundation.cssClasses.FG_ACTIVATION;
        this.adapter_.removeClass(FG_ACTIVATION);
        this.activationAnimationHasEnded_ = false;
        this.adapter_.computeBoundingRect();
    };
    MDCRippleFoundation.prototype.resetActivationState_ = function () {
        var _this = this;
        this.previousActivationEvent_ = this.activationState_.activationEvent;
        this.activationState_ = this.defaultActivationState_();
        // Touch devices may fire additional events for the same interaction within a short time.
        // Store the previous event until it's safe to assume that subsequent events are for new interactions.
        setTimeout(function () { return _this.previousActivationEvent_ = undefined; }, MDCRippleFoundation.numbers.TAP_DELAY_MS);
    };
    MDCRippleFoundation.prototype.deactivate_ = function () {
        var _this = this;
        var activationState = this.activationState_;
        // This can happen in scenarios such as when you have a keyup event that blurs the element.
        if (!activationState.isActivated) {
            return;
        }
        var state = tslib_1.__assign({}, activationState);
        if (activationState.isProgrammatic) {
            requestAnimationFrame(function () { return _this.animateDeactivation_(state); });
            this.resetActivationState_();
        }
        else {
            this.deregisterDeactivationHandlers_();
            requestAnimationFrame(function () {
                _this.activationState_.hasDeactivationUXRun = true;
                _this.animateDeactivation_(state);
                _this.resetActivationState_();
            });
        }
    };
    MDCRippleFoundation.prototype.animateDeactivation_ = function (_a) {
        var wasActivatedByPointer = _a.wasActivatedByPointer, wasElementMadeActive = _a.wasElementMadeActive;
        if (wasActivatedByPointer || wasElementMadeActive) {
            this.runDeactivationUXLogicIfReady_();
        }
    };
    MDCRippleFoundation.prototype.layoutInternal_ = function () {
        var _this = this;
        this.frame_ = this.adapter_.computeBoundingRect();
        var maxDim = Math.max(this.frame_.height, this.frame_.width);
        // Surface diameter is treated differently for unbounded vs. bounded ripples.
        // Unbounded ripple diameter is calculated smaller since the surface is expected to already be padded appropriately
        // to extend the hitbox, and the ripple is expected to meet the edges of the padded hitbox (which is typically
        // square). Bounded ripples, on the other hand, are fully expected to expand beyond the surface's longest diameter
        // (calculated based on the diagonal plus a constant padding), and are clipped at the surface's border via
        // `overflow: hidden`.
        var getBoundedRadius = function () {
            var hypotenuse = Math.sqrt(Math.pow(_this.frame_.width, 2) + Math.pow(_this.frame_.height, 2));
            return hypotenuse + MDCRippleFoundation.numbers.PADDING;
        };
        this.maxRadius_ = this.adapter_.isUnbounded() ? maxDim : getBoundedRadius();
        // Ripple is sized as a fraction of the largest dimension of the surface, then scales up using a CSS scale transform
        var initialSize = Math.floor(maxDim * MDCRippleFoundation.numbers.INITIAL_ORIGIN_SCALE);
        // Unbounded ripple size should always be even number to equally center align.
        if (this.adapter_.isUnbounded() && initialSize % 2 !== 0) {
            this.initialSize_ = initialSize - 1;
        }
        else {
            this.initialSize_ = initialSize;
        }
        this.fgScale_ = "" + this.maxRadius_ / this.initialSize_;
        this.updateLayoutCssVars_();
    };
    MDCRippleFoundation.prototype.updateLayoutCssVars_ = function () {
        var _a = MDCRippleFoundation.strings, VAR_FG_SIZE = _a.VAR_FG_SIZE, VAR_LEFT = _a.VAR_LEFT, VAR_TOP = _a.VAR_TOP, VAR_FG_SCALE = _a.VAR_FG_SCALE;
        this.adapter_.updateCssVariable(VAR_FG_SIZE, this.initialSize_ + "px");
        this.adapter_.updateCssVariable(VAR_FG_SCALE, this.fgScale_);
        if (this.adapter_.isUnbounded()) {
            this.unboundedCoords_ = {
                left: Math.round((this.frame_.width / 2) - (this.initialSize_ / 2)),
                top: Math.round((this.frame_.height / 2) - (this.initialSize_ / 2)),
            };
            this.adapter_.updateCssVariable(VAR_LEFT, this.unboundedCoords_.left + "px");
            this.adapter_.updateCssVariable(VAR_TOP, this.unboundedCoords_.top + "px");
        }
    };
    return MDCRippleFoundation;
}(MDCFoundation));
export { MDCRippleFoundation };
// tslint:disable-next-line:no-default-export Needed for backward compatibility with MDC Web v0.44.0 and earlier.
export default MDCRippleFoundation;
//# sourceMappingURL=foundation.js.map