| 1 | /**
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| 2 | * @license
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| 3 | * Copyright 2018 Google Inc.
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| 4 | *
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| 5 | * Permission is hereby granted, free of charge, to any person obtaining a copy
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| 6 | * of this software and associated documentation files (the "Software"), to deal
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| 7 | * in the Software without restriction, including without limitation the rights
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| 8 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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| 9 | * copies of the Software, and to permit persons to whom the Software is
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| 10 | * furnished to do so, subject to the following conditions:
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| 11 | *
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| 12 | * The above copyright notice and this permission notice shall be included in
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| 13 | * all copies or substantial portions of the Software.
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| 14 | *
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| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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| 16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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| 18 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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| 19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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| 20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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| 21 | * THE SOFTWARE.
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| 22 | */
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| 23 | import { __extends } from "tslib";
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| 24 | import { cssClasses } from '../constants';
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| 25 | import { MDCTopAppBarBaseFoundation } from '../foundation';
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| 26 | var MDCShortTopAppBarFoundation = /** @class */ (function (_super) {
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| 27 | __extends(MDCShortTopAppBarFoundation, _super);
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| 28 | /* istanbul ignore next: optional argument is not a branch statement */
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| 29 | function MDCShortTopAppBarFoundation(adapter) {
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| 30 | var _this = _super.call(this, adapter) || this;
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| 31 | _this.collapsed = false;
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| 32 | _this.isAlwaysCollapsed = false;
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| 33 | return _this;
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| 34 | }
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| 35 | Object.defineProperty(MDCShortTopAppBarFoundation.prototype, "isCollapsed", {
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| 36 | // Public visibility for backward compatibility.
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| 37 | get: function () {
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| 38 | return this.collapsed;
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| 39 | },
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| 40 | enumerable: false,
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| 41 | configurable: true
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| 42 | });
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| 43 | MDCShortTopAppBarFoundation.prototype.init = function () {
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| 44 | _super.prototype.init.call(this);
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| 45 | if (this.adapter.getTotalActionItems() > 0) {
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| 46 | this.adapter.addClass(cssClasses.SHORT_HAS_ACTION_ITEM_CLASS);
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| 47 | }
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| 48 | // If initialized with SHORT_COLLAPSED_CLASS, the bar should always be collapsed
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| 49 | this.setAlwaysCollapsed(this.adapter.hasClass(cssClasses.SHORT_COLLAPSED_CLASS));
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| 50 | };
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| 51 | /**
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| 52 | * Set if the short top app bar should always be collapsed.
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| 53 | *
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| 54 | * @param value When `true`, bar will always be collapsed. When `false`, bar may collapse or expand based on scroll.
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| 55 | */
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| 56 | MDCShortTopAppBarFoundation.prototype.setAlwaysCollapsed = function (value) {
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| 57 | this.isAlwaysCollapsed = !!value;
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| 58 | if (this.isAlwaysCollapsed) {
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| 59 | this.collapse();
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| 60 | }
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| 61 | else {
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| 62 | // let maybeCollapseBar determine if the bar should be collapsed
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| 63 | this.maybeCollapseBar();
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| 64 | }
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| 65 | };
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| 66 | MDCShortTopAppBarFoundation.prototype.getAlwaysCollapsed = function () {
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| 67 | return this.isAlwaysCollapsed;
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| 68 | };
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| 69 | /**
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| 70 | * Scroll handler for applying/removing the collapsed modifier class on the short top app bar.
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| 71 | */
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| 72 | MDCShortTopAppBarFoundation.prototype.handleTargetScroll = function () {
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| 73 | this.maybeCollapseBar();
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| 74 | };
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| 75 | MDCShortTopAppBarFoundation.prototype.maybeCollapseBar = function () {
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| 76 | if (this.isAlwaysCollapsed) {
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| 77 | return;
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| 78 | }
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| 79 | var currentScroll = this.adapter.getViewportScrollY();
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| 80 | if (currentScroll <= 0) {
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| 81 | if (this.collapsed) {
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| 82 | this.uncollapse();
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| 83 | }
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| 84 | }
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| 85 | else {
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| 86 | if (!this.collapsed) {
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| 87 | this.collapse();
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| 88 | }
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| 89 | }
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| 90 | };
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| 91 | MDCShortTopAppBarFoundation.prototype.uncollapse = function () {
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| 92 | this.adapter.removeClass(cssClasses.SHORT_COLLAPSED_CLASS);
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| 93 | this.collapsed = false;
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| 94 | };
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| 95 | MDCShortTopAppBarFoundation.prototype.collapse = function () {
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| 96 | this.adapter.addClass(cssClasses.SHORT_COLLAPSED_CLASS);
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| 97 | this.collapsed = true;
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| 98 | };
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| 99 | return MDCShortTopAppBarFoundation;
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| 100 | }(MDCTopAppBarBaseFoundation));
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| 101 | export { MDCShortTopAppBarFoundation };
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| 102 | // tslint:disable-next-line:no-default-export Needed for backward compatibility with MDC Web v0.44.0 and earlier.
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| 103 | export default MDCShortTopAppBarFoundation;
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| 104 | //# sourceMappingURL=foundation.js.map |
| \ | No newline at end of file |