2020-09-09 16:54:28 +02:00

91 lines
3.3 KiB
TypeScript

// (C) Copyright 2015 Moodle Pty Ltd.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import { Injectable } from '@angular/core';
import { CoreApp } from '@providers/app';
import { CoreUtilsProvider } from '@providers/utils/utils';
import { CoreFileUploaderHandler, CoreFileUploaderHandlerData } from './delegate';
import { CoreFileUploaderHelperProvider } from './helper';
/**
* Handler to record an audio to upload it.
*/
@Injectable()
export class CoreFileUploaderAudioHandler implements CoreFileUploaderHandler {
name = 'CoreFileUploaderAudio';
priority = 1600;
constructor(
private utils: CoreUtilsProvider,
private uploaderHelper: CoreFileUploaderHelperProvider
) { }
/**
* Whether or not the handler is enabled on a site level.
*
* @return True or promise resolved with true if enabled.
*/
isEnabled(): boolean | Promise<boolean> {
return CoreApp.instance.isMobile() || (CoreApp.instance.canGetUserMedia() && CoreApp.instance.canRecordMedia());
}
/**
* Given a list of mimetypes, return the ones that are supported by the handler.
*
* @param mimetypes List of mimetypes.
* @return Supported mimetypes.
*/
getSupportedMimetypes(mimetypes: string[]): string[] {
if (CoreApp.instance.isIOS()) {
// In iOS it's recorded as WAV.
return this.utils.filterByRegexp(mimetypes, /^audio\/wav$/);
} else if (CoreApp.instance.isAndroid()) {
// In Android we don't know the format the audio will be recorded, so accept any audio mimetype.
return this.utils.filterByRegexp(mimetypes, /^audio\//);
} else {
// In desktop, support audio formats that are supported by MediaRecorder.
const mediaRecorder = (<any> window).MediaRecorder;
if (mediaRecorder) {
return mimetypes.filter((type) => {
const matches = type.match(/^audio\//);
return matches && matches.length && mediaRecorder.isTypeSupported(type);
});
}
}
return [];
}
/**
* Get the data to display the handler.
*
* @return Data.
*/
getData(): CoreFileUploaderHandlerData {
return {
title: 'core.fileuploader.audio',
class: 'core-fileuploader-audio-handler',
icon: 'microphone',
action: (maxSize?: number, upload?: boolean, allowOffline?: boolean, mimetypes?: string[]): Promise<any> => {
return this.uploaderHelper.uploadAudioOrVideo(true, maxSize, upload, mimetypes).then((result) => {
return {
treated: true,
result: result
};
});
}
};
}
}