| [6a3a178] | 1 | 'use strict';
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| 2 | /**
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| 3 | * @license Angular v12.0.0-next.0
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| 4 | * (c) 2010-2020 Google LLC. https://angular.io/
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| 5 | * License: MIT
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| 6 | */
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| 7 | /**
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| 8 | * @license
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| 9 | * Copyright Google LLC All Rights Reserved.
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| 10 | *
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| 11 | * Use of this source code is governed by an MIT-style license that can be
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| 12 | * found in the LICENSE file at https://angular.io/license
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| 13 | */
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| 14 | Zone.__load_patch('mediaQuery', (global, Zone, api) => {
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| 15 | function patchAddListener(proto) {
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| 16 | api.patchMethod(proto, 'addListener', (delegate) => (self, args) => {
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| 17 | const callback = args.length > 0 ? args[0] : null;
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| 18 | if (typeof callback === 'function') {
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| 19 | const wrapperedCallback = Zone.current.wrap(callback, 'MediaQuery');
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| 20 | callback[api.symbol('mediaQueryCallback')] = wrapperedCallback;
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| 21 | return delegate.call(self, wrapperedCallback);
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| 22 | }
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| 23 | else {
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| 24 | return delegate.apply(self, args);
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| 25 | }
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| 26 | });
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| 27 | }
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| 28 | function patchRemoveListener(proto) {
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| 29 | api.patchMethod(proto, 'removeListener', (delegate) => (self, args) => {
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| 30 | const callback = args.length > 0 ? args[0] : null;
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| 31 | if (typeof callback === 'function') {
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| 32 | const wrapperedCallback = callback[api.symbol('mediaQueryCallback')];
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| 33 | if (wrapperedCallback) {
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| 34 | return delegate.call(self, wrapperedCallback);
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| 35 | }
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| 36 | else {
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| 37 | return delegate.apply(self, args);
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| 38 | }
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| 39 | }
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| 40 | else {
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| 41 | return delegate.apply(self, args);
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| 42 | }
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| 43 | });
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| 44 | }
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| 45 | if (global['MediaQueryList']) {
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| 46 | const proto = global['MediaQueryList'].prototype;
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| 47 | patchAddListener(proto);
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| 48 | patchRemoveListener(proto);
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| 49 | }
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| 50 | else if (global['matchMedia']) {
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| 51 | api.patchMethod(global, 'matchMedia', (delegate) => (self, args) => {
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| 52 | const mql = delegate.apply(self, args);
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| 53 | if (mql) {
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| 54 | // try to patch MediaQueryList.prototype
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| 55 | const proto = Object.getPrototypeOf(mql);
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| 56 | if (proto && proto['addListener']) {
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| 57 | // try to patch proto, don't need to worry about patch
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| 58 | // multiple times, because, api.patchEventTarget will check it
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| 59 | patchAddListener(proto);
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| 60 | patchRemoveListener(proto);
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| 61 | patchAddListener(mql);
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| 62 | patchRemoveListener(mql);
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| 63 | }
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| 64 | else if (mql['addListener']) {
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| 65 | // proto not exists, or proto has no addListener method
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| 66 | // try to patch mql instance
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| 67 | patchAddListener(mql);
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| 68 | patchRemoveListener(mql);
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| 69 | }
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| 70 | }
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| 71 | return mql;
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| 72 | });
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| 73 | }
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| 74 | });
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