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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
/**
* @fileoverview Keeps track of all the existing PlayerInfo and
* audio stream objects and is the entry-point for messages from the backend.
*
* The events captured by Manager (add, remove, update) are relayed
* to the clientRenderer which it can choose to use to modify the UI.
*/
var Manager = (function() {
'use strict';
function Manager(clientRenderer) {
this.players_ = {};
this.audioComponents_ = [];
this.clientRenderer_ = clientRenderer;
}
Manager.prototype = {
/**
* Updates an audio-component.
* @param componentType Integer AudioComponent enum value; must match values
* from the AudioLogFactory::AudioComponent enum.
* @param componentId The unique-id of the audio-component.
* @param componentData The actual component data dictionary.
*/
updateAudioComponent: function(componentType, componentId, componentData) {
if (!(componentType in this.audioComponents_))
this.audioComponents_[componentType] = {};
if (!(componentId in this.audioComponents_[componentType])) {
this.audioComponents_[componentType][componentId] = componentData;
} else {
for (var key in componentData) {
this.audioComponents_[componentType][componentId][key] =
componentData[key];
}
}
this.clientRenderer_.audioComponentAdded(
componentType, this.audioComponents_[componentType]);
},
/**
* Removes an audio-stream from the manager.
* @param id The unique-id of the audio-stream.
*/
removeAudioComponent: function(componentType, componentId) {
if (!(componentType in this.audioComponents_) ||
!(componentId in this.audioComponents_[componentType])) {
return;
}
delete this.audioComponents_[componentType][componentId];
this.clientRenderer_.audioComponentRemoved(
componentType, this.audioComponents_[componentType]);
},
/**
* Adds a player to the list of players to manage.
*/
addPlayer: function(id) {
if (this.players_[id]) {
return;
}
// Make the PlayerProperty and add it to the mapping
this.players_[id] = new PlayerInfo(id);
this.clientRenderer_.playerAdded(this.players_, this.players_[id]);
},
/**
* Attempts to remove a player from the UI.
* @param id The ID of the player to remove.
*/
removePlayer: function(id) {
delete this.players_[id];
this.clientRenderer_.playerRemoved(this.players_, this.players_[id]);
},
updatePlayerInfoNoRecord: function(id, timestamp, key, value) {
if (!this.players_[id]) {
console.error('[updatePlayerInfo] Id ' + id + ' does not exist');
return;
}
this.players_[id].addPropertyNoRecord(timestamp, key, value);
this.clientRenderer_.playerUpdated(this.players_,
this.players_[id],
key,
value);
},
/**
*
* @param id The unique ID that identifies the player to be updated.
* @param timestamp The timestamp of when the change occured. This
* timestamp is *not* normalized.
* @param key The name of the property to be added/changed.
* @param value The value of the property.
*/
updatePlayerInfo: function(id, timestamp, key, value) {
if (!this.players_[id]) {
console.error('[updatePlayerInfo] Id ' + id + ' does not exist');
return;
}
this.players_[id].addProperty(timestamp, key, value);
this.clientRenderer_.playerUpdated(this.players_,
this.players_[id],
key,
value);
}
};
return Manager;
}());
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