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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