111 lines
4.1 KiB
JavaScript
111 lines
4.1 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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var { classes: Cc, interfaces: Ci, utils: Cu, results: Cr } = Components;
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const { loader, require } = Cu.import("resource://devtools/shared/Loader.jsm", {});
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const { XPCOMUtils } = require("resource://gre/modules/XPCOMUtils.jsm");
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const { EventTarget } = require("sdk/event/target");
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const { Task } = require("devtools/shared/task");
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const { Class } = require("sdk/core/heritage");
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const EventEmitter = require("devtools/shared/event-emitter");
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const DevToolsUtils = require("devtools/shared/DevToolsUtils");
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const Services = require("Services");
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const { gDevTools } = require("devtools/client/framework/devtools");
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const { LocalizationHelper } = require("devtools/shared/l10n");
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const { ViewHelpers } = require("devtools/client/shared/widgets/view-helpers");
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const STRINGS_URI = "devtools/client/locales/webaudioeditor.properties";
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const L10N = new LocalizationHelper(STRINGS_URI);
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loader.lazyRequireGetter(this, "LineGraphWidget",
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"devtools/client/shared/widgets/LineGraphWidget");
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// `AUDIO_NODE_DEFINITION` defined in the controller's initialization,
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// which describes all the properties of an AudioNode
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var AUDIO_NODE_DEFINITION;
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// Override DOM promises with Promise.jsm helpers
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const { defer, all } = require("promise");
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/* Events fired on `window` to indicate state or actions*/
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const EVENTS = {
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// Fired when the first AudioNode has been created, signifying
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// that the AudioContext is being used and should be tracked via the editor.
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START_CONTEXT: "WebAudioEditor:StartContext",
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// When the devtools theme changes.
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THEME_CHANGE: "WebAudioEditor:ThemeChange",
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// When the UI is reset from tab navigation.
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UI_RESET: "WebAudioEditor:UIReset",
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// When a param has been changed via the UI and successfully
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// pushed via the actor to the raw audio node.
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UI_SET_PARAM: "WebAudioEditor:UISetParam",
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// When a node is to be set in the InspectorView.
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UI_SELECT_NODE: "WebAudioEditor:UISelectNode",
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// When the inspector is finished setting a new node.
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UI_INSPECTOR_NODE_SET: "WebAudioEditor:UIInspectorNodeSet",
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// When the inspector is finished rendering in or out of view.
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UI_INSPECTOR_TOGGLED: "WebAudioEditor:UIInspectorToggled",
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// When an audio node is finished loading in the Properties tab.
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UI_PROPERTIES_TAB_RENDERED: "WebAudioEditor:UIPropertiesTabRendered",
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// When an audio node is finished loading in the Automation tab.
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UI_AUTOMATION_TAB_RENDERED: "WebAudioEditor:UIAutomationTabRendered",
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// When the Audio Context graph finishes rendering.
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// Is called with two arguments, first representing number of nodes
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// rendered, second being the number of edge connections rendering (not counting
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// param edges), followed by the count of the param edges rendered.
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UI_GRAPH_RENDERED: "WebAudioEditor:UIGraphRendered",
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// Called when the inspector splitter is moved and resized.
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UI_INSPECTOR_RESIZE: "WebAudioEditor:UIInspectorResize"
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};
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XPCOMUtils.defineConstant(this, "EVENTS", EVENTS);
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/**
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* The current target and the Web Audio Editor front, set by this tool's host.
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*/
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var gToolbox, gTarget, gFront;
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/**
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* Convenient way of emitting events from the panel window.
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*/
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EventEmitter.decorate(this);
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/**
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* DOM query helper.
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*/
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function $(selector, target = document) { return target.querySelector(selector); }
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function $$(selector, target = document) { return target.querySelectorAll(selector); }
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/**
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* Takes an iterable collection, and a hash. Return the first
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* object in the collection that matches the values in the hash.
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* From Backbone.Collection#findWhere
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* http://backbonejs.org/#Collection-findWhere
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*/
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function findWhere(collection, attrs) {
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let keys = Object.keys(attrs);
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for (let model of collection) {
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if (keys.every(key => model[key] === attrs[key])) {
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return model;
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}
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}
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return void 0;
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}
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function mixin(source, ...args) {
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args.forEach(obj => Object.keys(obj).forEach(prop => source[prop] = obj[prop]));
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return source;
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}
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