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
  13 binding.registerCustomHook(function(bindingsAPI) {
  14   var apiFunctions = bindingsAPI.apiFunctions;
  15
  16   apiFunctions.setHandleRequest('setIcon', function(details, callback) {
  17     setIcon(details, function(args) {
  18       sendRequest(this.name, [args, callback], this.definition.parameters);
  19     }.bind(this));
  20   });
  21
  22   apiFunctions.setCustomCallback('openPopup',
  23                                  function(name, request, response) {
  24     if (!request.callback)
  25       return;
  26
  27     if (chrome.runtime.lastError) {
  28       request.callback();
  29     } else {
  30       var views = getExtensionViews(-1, 'POPUP');
  31       request.callback(views.length > 0 ? views[0] : null);
  32     }
  33     request.callback = null;
  34   });
  35 });
  36
  37 exports.binding = binding.generate();