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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
/* import-globals-from ../includes.js */
const MIN_INSPECTOR_WIDTH = 300;
// Strings for rendering
const EXPAND_INSPECTOR_STRING = L10N.getStr("expandInspector");
const COLLAPSE_INSPECTOR_STRING = L10N.getStr("collapseInspector");
/**
* Functions handling the audio node inspector UI.
*/
var InspectorView = {
_currentNode: null,
// Set up config for view toggling
_collapseString: COLLAPSE_INSPECTOR_STRING,
_expandString: EXPAND_INSPECTOR_STRING,
_toggleEvent: EVENTS.UI_INSPECTOR_TOGGLED,
_animated: true,
_delayed: true,
/**
* Initialization function called when the tool starts up.
*/
initialize: function () {
// Set up view controller
this.el = $("#web-audio-inspector");
this.splitter = $("#inspector-splitter");
this.el.setAttribute("width", Services.prefs.getIntPref("devtools.webaudioeditor.inspectorWidth"));
this.button = $("#inspector-pane-toggle");
mixin(this, ToggleMixin);
this.bindToggle();
// Hide inspector view on startup
this.hideImmediately();
this._onNodeSelect = this._onNodeSelect.bind(this);
this._onDestroyNode = this._onDestroyNode.bind(this);
this._onResize = this._onResize.bind(this);
this._onCommandClick = this._onCommandClick.bind(this);
this.splitter.addEventListener("mouseup", this._onResize);
for (let $el of $$("#audio-node-toolbar toolbarbutton")) {
$el.addEventListener("command", this._onCommandClick);
}
window.on(EVENTS.UI_SELECT_NODE, this._onNodeSelect);
gAudioNodes.on("remove", this._onDestroyNode);
},
/**
* Destruction function called when the tool cleans up.
*/
destroy: function () {
this.unbindToggle();
this.splitter.removeEventListener("mouseup", this._onResize);
$("#audio-node-toolbar toolbarbutton").removeEventListener("command", this._onCommandClick);
for (let $el of $$("#audio-node-toolbar toolbarbutton")) {
$el.removeEventListener("command", this._onCommandClick);
}
window.off(EVENTS.UI_SELECT_NODE, this._onNodeSelect);
gAudioNodes.off("remove", this._onDestroyNode);
this.el = null;
this.button = null;
this.splitter = null;
},
/**
* Takes a AudioNodeView `node` and sets it as the current
* node and scaffolds the inspector view based off of the new node.
*/
setCurrentAudioNode: Task.async(function* (node) {
this._currentNode = node || null;
// If no node selected, set the inspector back to "no AudioNode selected"
// view.
if (!node) {
$("#web-audio-editor-details-pane-empty").removeAttribute("hidden");
$("#web-audio-editor-tabs").setAttribute("hidden", "true");
window.emit(EVENTS.UI_INSPECTOR_NODE_SET, null);
}
// Otherwise load up the tabs view and hide the empty placeholder
else {
$("#web-audio-editor-details-pane-empty").setAttribute("hidden", "true");
$("#web-audio-editor-tabs").removeAttribute("hidden");
this._buildToolbar();
window.emit(EVENTS.UI_INSPECTOR_NODE_SET, this._currentNode.id);
}
}),
/**
* Returns the current AudioNodeView.
*/
getCurrentAudioNode: function () {
return this._currentNode;
},
/**
* Empties out the props view.
*/
resetUI: function () {
// Set current node to empty to load empty view
this.setCurrentAudioNode();
// Reset AudioNode inspector and hide
this.hideImmediately();
},
_buildToolbar: function () {
let node = this.getCurrentAudioNode();
let bypassable = node.bypassable;
let bypassed = node.isBypassed();
let button = $("#audio-node-toolbar .bypass");
if (!bypassable) {
button.setAttribute("disabled", true);
} else {
button.removeAttribute("disabled");
}
if (!bypassable || bypassed) {
button.removeAttribute("checked");
} else {
button.setAttribute("checked", true);
}
},
/**
* Event handlers
*/
/**
* Called on EVENTS.UI_SELECT_NODE, and takes an actorID `id`
* and calls `setCurrentAudioNode` to scaffold the inspector view.
*/
_onNodeSelect: function (_, id) {
this.setCurrentAudioNode(gAudioNodes.get(id));
// Ensure inspector is visible when selecting a new node
this.show();
},
_onResize: function () {
if (this.el.getAttribute("width") < MIN_INSPECTOR_WIDTH) {
this.el.setAttribute("width", MIN_INSPECTOR_WIDTH);
}
Services.prefs.setIntPref("devtools.webaudioeditor.inspectorWidth", this.el.getAttribute("width"));
window.emit(EVENTS.UI_INSPECTOR_RESIZE);
},
/**
* Called when `DESTROY_NODE` is fired to remove the node from props view if
* it's currently selected.
*/
_onDestroyNode: function (node) {
if (this._currentNode && this._currentNode.id === node.id) {
this.setCurrentAudioNode(null);
}
},
_onCommandClick: function (e) {
let node = this.getCurrentAudioNode();
let button = e.target;
let command = button.getAttribute("data-command");
let checked = button.getAttribute("checked");
if (button.getAttribute("disabled")) {
return;
}
if (command === "bypass") {
if (checked) {
button.removeAttribute("checked");
node.bypass(true);
} else {
button.setAttribute("checked", true);
node.bypass(false);
}
}
}
};
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