-
-
Notifications
You must be signed in to change notification settings - Fork 46
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
SebCanet
committed
Oct 7, 2020
1 parent
b5d9e6e
commit 17ef8d6
Showing
41 changed files
with
1,218 additions
and
893 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Large diffs are not rendered by default.
Oops, something went wrong.
Large diffs are not rendered by default.
Oops, something went wrong.
Large diffs are not rendered by default.
Oops, something went wrong.
Large diffs are not rendered by default.
Oops, something went wrong.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,153 @@ | ||
| /** | ||
| * @license | ||
| * Copyright 2017 Google LLC | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
|
|
||
| /** | ||
| * @fileoverview Object in charge of loading, storing, and playing audio for a | ||
| * workspace. | ||
| * @author [email protected] (Rachel Fenichel) | ||
| */ | ||
| 'use strict'; | ||
|
|
||
| goog.provide('Blockly.WorkspaceAudio'); | ||
|
|
||
| goog.require('Blockly.utils'); | ||
| goog.require('Blockly.utils.global'); | ||
| goog.require('Blockly.utils.userAgent'); | ||
|
|
||
|
|
||
| /** | ||
| * Class for loading, storing, and playing audio for a workspace. | ||
| * @param {Blockly.WorkspaceSvg} parentWorkspace The parent of the workspace | ||
| * this audio object belongs to, or null. | ||
| * @constructor | ||
| */ | ||
| Blockly.WorkspaceAudio = function(parentWorkspace) { | ||
|
|
||
| /** | ||
| * The parent of the workspace this object belongs to, or null. May be | ||
| * checked for sounds that this object can't find. | ||
| * @type {Blockly.WorkspaceSvg} | ||
| * @private | ||
| */ | ||
| this.parentWorkspace_ = parentWorkspace; | ||
|
|
||
| /** | ||
| * Database of pre-loaded sounds. | ||
| * @private | ||
| */ | ||
| this.SOUNDS_ = Object.create(null); | ||
| }; | ||
|
|
||
| /** | ||
| * Time that the last sound was played. | ||
| * @type {Date} | ||
| * @private | ||
| */ | ||
| Blockly.WorkspaceAudio.prototype.lastSound_ = null; | ||
|
|
||
| /** | ||
| * Dispose of this audio manager. | ||
| * @package | ||
| */ | ||
| Blockly.WorkspaceAudio.prototype.dispose = function() { | ||
| this.parentWorkspace_ = null; | ||
| this.SOUNDS_ = null; | ||
| }; | ||
|
|
||
| /** | ||
| * Load an audio file. Cache it, ready for instantaneous playing. | ||
| * @param {!Array.<string>} filenames List of file types in decreasing order of | ||
| * preference (i.e. increasing size). E.g. ['media/go.mp3', 'media/go.wav'] | ||
| * Filenames include path from Blockly's root. File extensions matter. | ||
| * @param {string} name Name of sound. | ||
| */ | ||
| Blockly.WorkspaceAudio.prototype.load = function(filenames, name) { | ||
| if (!filenames.length) { | ||
| return; | ||
| } | ||
| try { | ||
| var audioTest = new Blockly.utils.global['Audio'](); | ||
| } catch (e) { | ||
| // No browser support for Audio. | ||
| // IE can throw an error even if the Audio object exists. | ||
| return; | ||
| } | ||
| var sound; | ||
| for (var i = 0; i < filenames.length; i++) { | ||
| var filename = filenames[i]; | ||
| var ext = filename.match(/\.(\w+)$/); | ||
| if (ext && audioTest.canPlayType('audio/' + ext[1])) { | ||
| // Found an audio format we can play. | ||
| sound = new Blockly.utils.global['Audio'](filename); | ||
| break; | ||
| } | ||
| } | ||
| if (sound && sound.play) { | ||
| this.SOUNDS_[name] = sound; | ||
| } | ||
| }; | ||
|
|
||
| /** | ||
| * Preload all the audio files so that they play quickly when asked for. | ||
| * @package | ||
| */ | ||
| Blockly.WorkspaceAudio.prototype.preload = function() { | ||
| for (var name in this.SOUNDS_) { | ||
| var sound = this.SOUNDS_[name]; | ||
| sound.volume = 0.01; | ||
| var playPromise = sound.play(); | ||
| // Edge does not return a promise, so we need to check. | ||
| if (playPromise !== undefined) { | ||
| // If we don't wait for the play request to complete before calling pause() | ||
| // we will get an exception: (DOMException: The play() request was interrupted) | ||
| // See more: https://developers.google.com/web/updates/2017/06/play-request-was-interrupted | ||
| playPromise.then(sound.pause).catch(function() { | ||
| // Play without user interaction was prevented. | ||
| }); | ||
| } else { | ||
| sound.pause(); | ||
| } | ||
|
|
||
| // iOS can only process one sound at a time. Trying to load more than one | ||
| // corrupts the earlier ones. Just load one and leave the others uncached. | ||
| if (Blockly.utils.userAgent.IPAD || Blockly.utils.userAgent.IPHONE) { | ||
| break; | ||
| } | ||
| } | ||
| }; | ||
|
|
||
| /** | ||
| * Play a named sound at specified volume. If volume is not specified, | ||
| * use full volume (1). | ||
| * @param {string} name Name of sound. | ||
| * @param {number=} opt_volume Volume of sound (0-1). | ||
| */ | ||
| Blockly.WorkspaceAudio.prototype.play = function(name, opt_volume) { | ||
| var sound = this.SOUNDS_[name]; | ||
| if (sound) { | ||
| // Don't play one sound on top of another. | ||
| var now = new Date; | ||
| if (this.lastSound_ != null && | ||
| now - this.lastSound_ < Blockly.SOUND_LIMIT) { | ||
| return; | ||
| } | ||
| this.lastSound_ = now; | ||
| var mySound; | ||
| if (Blockly.utils.userAgent.IPAD || Blockly.utils.userAgent.ANDROID) { | ||
| // Creating a new audio node causes lag in Android and iPad. Android | ||
| // refetches the file from the server, iPad uses a singleton audio | ||
| // node which must be deleted and recreated for each new audio tag. | ||
| mySound = sound; | ||
| } else { | ||
| mySound = sound.cloneNode(); | ||
| } | ||
| mySound.volume = (opt_volume === undefined ? 1 : opt_volume); | ||
| mySound.play(); | ||
| } else if (this.parentWorkspace_) { | ||
| // Maybe a workspace on a lower level knows about this sound. | ||
| this.parentWorkspace_.getAudioManager().play(name, opt_volume); | ||
| } | ||
| }; |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.