michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: const gcli = require("gcli/index");
michael@0: const EventEmitter = require("devtools/toolkit/event-emitter");
michael@0: const eventEmitter = new EventEmitter();
michael@0: 
michael@0: let { Eyedropper, EyedropperManager } = require("devtools/eyedropper/eyedropper");
michael@0: 
michael@0: /**
michael@0:  * 'eyedropper' command
michael@0:  */
michael@0: exports.items = [{
michael@0:   name: "eyedropper",
michael@0:   description: gcli.lookup("eyedropperDesc"),
michael@0:   manual: gcli.lookup("eyedropperManual"),
michael@0:   buttonId: "command-button-eyedropper",
michael@0:   buttonClass: "command-button command-button-invertable",
michael@0:   tooltipText: gcli.lookup("eyedropperTooltip"),
michael@0:   state: {
michael@0:     isChecked: function(target) {
michael@0:       let chromeWindow = target.tab.ownerDocument.defaultView;
michael@0:       let dropper = EyedropperManager.getInstance(chromeWindow);
michael@0:       if (dropper) {
michael@0:         return true;
michael@0:       }
michael@0:       return false;
michael@0:     },
michael@0:     onChange: function(target, changeHandler) {
michael@0:       eventEmitter.on("changed", changeHandler);
michael@0:     },
michael@0:     offChange: function(target, changeHandler) {
michael@0:       eventEmitter.off("changed", changeHandler);
michael@0:     },
michael@0:   },
michael@0:   exec: function(args, context) {
michael@0:     let chromeWindow = context.environment.chromeWindow;
michael@0:     let target = context.environment.target;
michael@0: 
michael@0:     let dropper = EyedropperManager.createInstance(chromeWindow);
michael@0:     dropper.open();
michael@0: 
michael@0:     eventEmitter.emit("changed", target.tab);
michael@0: 
michael@0:     dropper.once("destroy", () => {
michael@0:       eventEmitter.emit("changed", target.tab);
michael@0:     });
michael@0:   }
michael@0: }];