| // Copyright 2024 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| import {sendWebKitMessage} from '//ios/web/public/js_messaging/resources/utils.js'; |
| |
| // Ensure that the API is not added if it does not already exist. |
| if (typeof navigator === 'object' && 'mediaDevices' in navigator && |
| 'getUserMedia' in navigator.mediaDevices) { |
| const originalFunc = navigator.mediaDevices.getUserMedia; |
| navigator.mediaDevices.getUserMedia = function(...args) { |
| const details: {[key: string]: boolean} = {}; |
| // Use a try block to ensure that attempting to parse parameters does not |
| // break the original API functionality. |
| try { |
| if (args.length > 0) { |
| const constraints = args[0]; |
| if (constraints && typeof constraints === 'object') { |
| // `constraints` may contain objects, so convert to a boolean in |
| // `details` to ensure it can be sent using sendWebKitMessage. |
| details['audio'] = !!constraints['audio']; |
| details['video'] = !!constraints['video']; |
| } |
| } |
| } catch (error) { |
| // Argument parsing error can be ignored here, empty details state will be |
| // logged on native side. |
| } |
| sendWebKitMessage('MediaAPIAccessedHandler', details); |
| return originalFunc.apply(this, args); |
| }; |
| } |
