chrome/renderer/resources/extensions/browser_action_custom_bindings.js

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 // Custom binding for the browserAction API.
   6
   7 var binding = require('binding').Binding.create('browserAction');
   8
   9 var setIcon = require('setIcon').setIcon;
  10 var getExtensionViews = requireNative('runtime').GetExtensionViews;
  11 var sendRequest = require('sendRequest').sendRequest;
  12 var lastError = require('lastError');
  13
  14 binding.registerCustomHook(function(bindingsAPI) {
  15   var apiFunctions = bindingsAPI.apiFunctions;
  16
  17   apiFunctions.setHandleRequest('setIcon', function(details, callback) {
  18     setIcon(details, function(args) {
  19       sendRequest(this.name, [args, callback], this.definition.parameters);
  20     }.bind(this));
  21   });
  22
  23   apiFunctions.setCustomCallback('openPopup',
  24       function(name, request, callback, response) {
  25     if (!callback)
  26       return;
  27
  28     if (lastError.hasError(chrome)) {
  29       callback();
  30     } else {
  31       var views = getExtensionViews(-1, 'POPUP');
  32       callback(views.length > 0 ? views[0] : null);
  33     }
  34   });
  35 });
  36
  37 exports.binding = binding.generate();