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1 /* -*- Mode: javascript; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
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2 /* vim: set ft=javascript ts=2 et sw=2 tw=80: */ |
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3 /* This Source Code Form is subject to the terms of the Mozilla Public |
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4 * License, v. 2.0. If a copy of the MPL was not distributed with this |
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5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
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6 "use strict"; |
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7 |
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8 const {Cu} = require("chrome"); |
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9 const EventEmitter = require("devtools/toolkit/event-emitter"); |
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10 const {Promise: promise} = Cu.import("resource://gre/modules/Promise.jsm", {}); |
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11 |
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12 |
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13 function ScratchpadPanel(iframeWindow, toolbox) { |
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14 let { Scratchpad } = iframeWindow; |
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15 this._toolbox = toolbox; |
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16 this.panelWin = iframeWindow; |
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17 this.scratchpad = Scratchpad; |
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18 |
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19 Scratchpad.target = this.target; |
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20 Scratchpad.hideMenu(); |
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21 |
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22 let deferred = promise.defer(); |
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23 this._readyObserver = deferred.promise; |
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24 Scratchpad.addObserver({ |
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25 onReady: function() { |
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26 Scratchpad.removeObserver(this); |
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27 deferred.resolve(); |
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28 } |
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29 }); |
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30 |
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31 EventEmitter.decorate(this); |
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32 } |
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33 exports.ScratchpadPanel = ScratchpadPanel; |
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34 |
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35 ScratchpadPanel.prototype = { |
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36 /** |
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37 * Open is effectively an asynchronous constructor. For the ScratchpadPanel, |
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38 * by the time this is called, the Scratchpad will already be ready. |
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39 */ |
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40 open: function() { |
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41 return this._readyObserver.then(() => { |
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42 this.isReady = true; |
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43 this.emit("ready"); |
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44 return this; |
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45 }); |
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46 }, |
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47 |
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48 get target() { |
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49 return this._toolbox.target; |
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50 }, |
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51 |
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52 destroy: function() { |
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53 this.emit("destroyed"); |
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54 return promise.resolve(); |
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55 } |
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56 }; |