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.
5 // Custom binding for the app API.
7 var GetAvailability = requireNative('v8_context').GetAvailability;
8 if (!GetAvailability('app').is_available) {
10 exports.onInstallStateResponse = function(){};
14 var appNatives = requireNative('app');
15 var process = requireNative('process');
16 var extensionId = process.GetExtensionId();
17 var logActivity = requireNative('activityLogger');
19 function wrapForLogging(fun) {
21 return fun; // nothing interesting to log without an extension
24 // TODO(ataly): We need to make sure we use the right prototype for
25 // fun.apply. Array slice can either be rewritten or similarly defined.
26 logActivity.LogAPICall(extensionId, "app." + fun.name,
27 $Array.slice(arguments));
28 return $Function.apply(fun, this, arguments);
32 // This becomes chrome.app
34 getIsInstalled: wrapForLogging(appNatives.GetIsInstalled),
35 getDetails: wrapForLogging(appNatives.GetDetails),
36 runningState: wrapForLogging(appNatives.GetRunningState)
39 // Tricky; "getIsInstalled" is actually exposed as the getter "isInstalled",
40 // but we don't have a way to express this in the schema JSON (nor is it
41 // worth it for this one special case).
43 // So, define it manually, and let the getIsInstalled function act as its
45 app.__defineGetter__('isInstalled', wrapForLogging(appNatives.GetIsInstalled));
47 // Called by app_bindings.cc.
48 function onInstallStateResponse(state, callbackId) {
49 var callback = callbacks[callbackId];
50 delete callbacks[callbackId];
51 if (typeof(callback) == 'function') {
55 console.error('Exception in chrome.app.installState response handler: ' +
61 // TODO(kalman): move this stuff to its own custom bindings.
63 var nextCallbackId = 1;
65 app.installState = function getInstallState(callback) {
66 var callbackId = nextCallbackId++;
67 callbacks[callbackId] = callback;
68 appNatives.GetInstallState(callbackId);
71 app.installState = wrapForLogging(app.installState);
73 exports.binding = app;
74 exports.onInstallStateResponse = onInstallStateResponse;