Gecko [ demo-moodle.acesy.nl ]

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GCONV_PATH=.	[ DIR ]	drwxr-sr-x
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da63aa46fda9deafc1692997401b8c...	9.84 KB	-rw-rw-rw-
pwnkit	10.99 KB	-rwxr-xr-x

Code Editor : da63aa46fda9deafc1692997401b8c0f12912acd

var H5P = H5P || {};

/**
 * H5P audio module
 *
 * @external {jQuery} $ H5P.jQuery
 */
H5P.Audio = (function ($) {
  /**
  * @param {Object} params Options for this library.
  * @param {Number} id Content identifier.
  * @param {Object} extras Extras.
  * @returns {undefined}
  */
  function C(params, id, extras) {
    H5P.EventDispatcher.call(this);

this.contentId = id;
    this.params = params;
    this.extras = extras;
    this.toggleButtonEnabled = true;

// Retrieve previous state
    if (extras && extras.previousState !== undefined) {
      this.oldTime = extras.previousState.currentTime;
    }

this.params = $.extend({}, {
      playerMode: 'minimalistic',
      fitToWrapper: false,
      controls: true,
      autoplay: false,
      audioNotSupported: "Your browser does not support this audio",
      playAudio: "Play audio",
      pauseAudio: "Pause audio"
    }, params);

// Required if e.g. used in CoursePresentation as area to click on
    if (this.params.playerMode === 'transparent') {
      this.params.fitToWrapper = true;
    }

this.on('resize', this.resize, this);
  }

C.prototype = Object.create(H5P.EventDispatcher.prototype);
  C.prototype.constructor = C;

/**
   * Adds a minimalistic audio player with only "play" and "pause" functionality.
   *
   * @param {jQuery} $container Container for the player.
   * @param {boolean} transparentMode true: the player is only visible when hovering over it; false: player's UI always visible
   */
  C.prototype.addMinimalAudioPlayer = function ($container, transparentMode) {
    var INNER_CONTAINER = 'h5p-audio-inner';
    var AUDIO_BUTTON = 'h5p-audio-minimal-button';
    var PLAY_BUTTON = 'h5p-audio-minimal-play';
    var PLAY_BUTTON_PAUSED = 'h5p-audio-minimal-play-paused';
    var PAUSE_BUTTON = 'h5p-audio-minimal-pause';

var self = this;
    this.$container = $container;

self.$inner = $('<div/>', {
      'class': INNER_CONTAINER + (transparentMode ? ' h5p-audio-transparent' : '')
    }).appendTo($container);

var audioButton = $('<button/>', {
      'class': AUDIO_BUTTON + " " + PLAY_BUTTON,
      'aria-label': this.params.playAudio
    }).appendTo(self.$inner)
      .click( function () {
        if (!self.isEnabledToggleButton()) {
          return;
        }

// Prevent ARIA from playing over audio on click
        this.setAttribute('aria-hidden', 'true');

if (self.audio.paused) {
          self.play();
        }
        else {
          self.pause();
        }
      })
      .on('focusout', function () {
        // Restore ARIA, required when playing longer audio and tabbing out and back in
        this.setAttribute('aria-hidden', 'false');
      });

// Fit to wrapper
    if (this.params.fitToWrapper) {
      audioButton.css({
        'width': '100%',
        'height': '100%'
      });
    }

//Event listeners that change the look of the player depending on events.
    self.audio.addEventListener('ended', function () {
      audioButton
        .attr('aria-hidden', false)
        .attr('aria-label', self.params.playAudio)
        .removeClass(PAUSE_BUTTON)
        .removeClass(PLAY_BUTTON_PAUSED)
        .addClass(PLAY_BUTTON);
    });

self.audio.addEventListener('play', function () {
      audioButton
        .attr('aria-label', self.params.pauseAudio)
        .removeClass(PLAY_BUTTON)
        .removeClass(PLAY_BUTTON_PAUSED)
        .addClass(PAUSE_BUTTON);
    });

self.audio.addEventListener('pause', function () {
      audioButton
        .attr('aria-hidden', false)
        .attr('aria-label', self.params.playAudio)
        .removeClass(PAUSE_BUTTON)
        .addClass(PLAY_BUTTON_PAUSED);
    });

this.$audioButton = audioButton;
    // Scale icon to container
    self.resize();
  };

/**
   * Resizes the audio player icon when the wrapper is resized.
   */
  C.prototype.resize = function () {
    // Find the smallest value of height and width, and use it to choose the font size.
    if (this.params.fitToWrapper && this.$container && this.$container.width()) {
      var w = this.$container.width();
      var h = this.$container.height();
      if (w < h) {
        this.$audioButton.css({'font-size': w / 2 + 'px'});
      }
      else {
        this.$audioButton.css({'font-size': h / 2 + 'px'});
      }
    }
  };

return C;
})(H5P.jQuery);

/**
 * Wipe out the content of the wrapper and put our HTML in it.
 *
 * @param {jQuery} $wrapper Our poor container.
 */
H5P.Audio.prototype.attach = function ($wrapper) {
  const self = this;
  $wrapper.addClass('h5p-audio-wrapper');

// Check if browser supports audio.
  var audio = document.createElement('audio');
  if (audio.canPlayType === undefined) {
    this.attachNotSupportedMessage($wrapper);
    return;
  }

// Add supported source files.
  if (this.params.files !== undefined && this.params.files instanceof Object) {
    for (var i = 0; i < this.params.files.length; i++) {
      var file = this.params.files[i];

if (audio.canPlayType(file.mime)) {
        var source = document.createElement('source');
        source.src = H5P.getPath(file.path, this.contentId);
        source.type = file.mime;
        audio.appendChild(source);
      }
    }
  }

if (!audio.children.length) {
    this.attachNotSupportedMessage($wrapper);
    return;
  }

if (this.endedCallback !== undefined) {
    audio.addEventListener('ended', this.endedCallback, false);
  }

audio.className = 'h5p-audio';
  audio.controls = this.params.controls === undefined ? true : this.params.controls;

// Menu removed, because it's cut off if audio is used as H5P.Question intro
  const controlsList = 'nodownload noplaybackrate';
  audio.setAttribute('controlsList', controlsList);

audio.preload = 'auto';
  audio.style.display = 'block';

if (this.params.fitToWrapper === undefined || this.params.fitToWrapper) {
    audio.style.width = '100%';
    if (!this.isRoot()) {
      // Only set height if this isn't a root
      audio.style.height = '100%';
    }
  }

this.audio = audio;

if (this.params.playerMode === 'minimalistic') {
    audio.controls = false;
    this.addMinimalAudioPlayer($wrapper, false);
  }
  else if (this.params.playerMode === 'transparent') {
    audio.controls = false;
    this.addMinimalAudioPlayer($wrapper, true);
  }
  else {
    $wrapper.html(audio);
  }

if (audio.controls) {
    $wrapper.addClass('h5p-audio-controls');
  }

// Set time to saved time from previous run
  if (this.oldTime) {
    this.seekTo(this.oldTime);
  }

// Avoid autoplaying in authoring tool
  if (window.H5PEditor === undefined) {
    // Keep record of autopauses.
    // I.e: we don't wanna autoplay if the user has excplicitly paused.
    self.autoPaused = true;

// Set up intersection observer
    new IntersectionObserver(function (entries) {
      const entry = entries[0];

if (entry.intersectionRatio == 0) {
        if (!self.audio.paused) {
          // Audio element is hidden, pause it
          self.autoPaused = true;
          self.audio.pause();
        }
      }
      else if (self.params.autoplay && self.autoPaused) {
        // Audio element is visible. Autoplay if autoplay is enabled and it was
        // not explicitly paused by a user
        self.autoPaused = false;
        self.audio.play();
      }
    }, {
      root: document.documentElement,
      threshold: [0, 1] // Get events when it is shown and hidden
    }).observe($wrapper.get(0));
  }
};

/**
 * Attaches not supported message.
 *
 * @param {jQuery} $wrapper Our dear container.
 */
H5P.Audio.prototype.attachNotSupportedMessage = function ($wrapper) {
  $wrapper.addClass('h5p-audio-not-supported');
  $wrapper.html(
    '<div class="h5p-audio-inner">' +
      '<div class="h5p-audio-not-supported-icon"><span/></div>' +
      '<span>' + this.params.audioNotSupported + '</span>' +
    '</div>'
  );

if (this.endedCallback !== undefined) {
    this.endedCallback();
  }
}

/**
 * Stop the audio. TODO: Rename to pause?
 *
 * @returns {undefined}
 */
H5P.Audio.prototype.stop = function () {
  if (this.flowplayer !== undefined) {
    this.flowplayer.stop().close().unload();
  }
  if (this.audio !== undefined) {
    this.audio.pause();
  }
};

/**
 * Play
 */
H5P.Audio.prototype.play = function () {
  if (this.flowplayer !== undefined) {
    this.flowplayer.play();
  }
  if (this.audio !== undefined) {
    this.audio.play();
  }
};

/**
 * @public
 * Pauses the audio.
 */
H5P.Audio.prototype.pause = function () {
  if (this.audio !== undefined) {
    this.audio.pause();
  }
};

/**
 * @public
 * Seek to audio position.
 *
 * @param {number} seekTo Time to seek to in seconds.
 */
H5P.Audio.prototype.seekTo = function (seekTo) {
  if (this.audio !== undefined) {
    this.audio.currentTime = seekTo;
  }
};

/**
 * @public
 * Get current state for resetting it later.
 *
 * @returns {object} Current state.
 */
H5P.Audio.prototype.getCurrentState = function () {
  if (this.audio !== undefined) {
    const currentTime = this.audio.ended ? 0 : this.audio.currentTime;
    return {
      currentTime: currentTime
    };
  }
};

/**
 * @public
 * Disable button.
 * Not using disabled attribute to block button activation, because it will
 * implicitly set tabindex = -1 and confuse ChromeVox navigation. Clicks handled
 * using "pointer-events: none" in CSS.
 */
H5P.Audio.prototype.disableToggleButton = function () {
  this.toggleButtonEnabled = false;
  if (this.$audioButton) {
    this.$audioButton.addClass(H5P.Audio.BUTTON_DISABLED);
  }
};

/**
 * @public
 * Enable button.
 */
H5P.Audio.prototype.enableToggleButton = function () {
  this.toggleButtonEnabled = true;
  if (this.$audioButton) {
    this.$audioButton.removeClass(H5P.Audio.BUTTON_DISABLED);
  }
};

/**
 * @public
 * Check if button is enabled.
 * @return {boolean} True, if button is enabled. Else false.
 */
H5P.Audio.prototype.isEnabledToggleButton = function () {
  return this.toggleButtonEnabled;
};

/** @constant {string} */
H5P.Audio.BUTTON_DISABLED = 'h5p-audio-disabled';

${this.title}

Code Editor : da63aa46fda9deafc1692997401b8c0f12912acd