The Tor Browser / file comparison
comparison: b2g/chrome/content/runapp.js
b2g/chrome/content/runapp.js
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:ace887669d7a |
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| 1 "use strict"; | |
| 2 | |
| 3 // runapp.js: | |
| 4 // Provide a --runapp APPNAME command-line option. | |
| 5 | |
| 6 let runAppObj; | |
| 7 window.addEventListener('load', function() { | |
| 8 if (!window.arguments) { | |
| 9 return; | |
| 10 } | |
| 11 | |
| 12 // Get the command line arguments that were passed to the b2g client | |
| 13 let args = window.arguments[0].QueryInterface(Ci.nsICommandLine); | |
| 14 let appname; | |
| 15 | |
| 16 // - Check if the argument is present before doing any work. | |
| 17 try { | |
| 18 // Returns null if the argument was not specified. Throws | |
| 19 // NS_ERROR_INVALID_ARG if there is no parameter specified (because | |
| 20 // it was the last argument or the next argument starts with '-'). | |
| 21 // However, someone could still explicitly pass an empty argument! | |
| 22 appname = args.handleFlagWithParam('runapp', false); | |
| 23 } catch(e) { | |
| 24 // treat a missing parameter like an empty parameter (=> show usage) | |
| 25 appname = ''; | |
| 26 } | |
| 27 | |
| 28 // not specified, bail. | |
| 29 if (appname === null) { | |
| 30 return; | |
| 31 } | |
| 32 | |
| 33 runAppObj = new AppRunner(appname); | |
| 34 Services.obs.addObserver(runAppObj, 'browser-ui-startup-complete', false); | |
| 35 }); | |
| 36 | |
| 37 window.addEventListener('unload', function() { | |
| 38 if (runAppObj) { | |
| 39 Services.obs.removeObserver(runAppObj, 'browser-ui-startup-complete'); | |
| 40 } | |
| 41 }); | |
| 42 | |
| 43 function AppRunner(aName) { | |
| 44 this._req = null; | |
| 45 this._appName = aName; | |
| 46 } | |
| 47 AppRunner.prototype = { | |
| 48 observe: function(aSubject, aTopic, aData) { | |
| 49 if (aTopic == 'browser-ui-startup-complete') { | |
| 50 this.doRunApp(); | |
| 51 } | |
| 52 }, | |
| 53 | |
| 54 doRunApp: function() { | |
| 55 // - Get the list of apps since the parameter was specified | |
| 56 this._req = navigator.mozApps.mgmt.getAll(); | |
| 57 this._req.onsuccess = this.getAllSuccess.bind(this); | |
| 58 this._req.onerror = this.getAllError.bind(this); | |
| 59 }, | |
| 60 | |
| 61 getAllSuccess: function() { | |
| 62 let apps = this._req.result; | |
| 63 | |
| 64 function findAppWithName(name) { | |
| 65 let normalizedSearchName = name.replace(/[- ]+/g, '').toLowerCase(); | |
| 66 | |
| 67 for (let i = 0; i < apps.length; i++) { | |
| 68 let app = apps[i]; | |
| 69 let normalizedAppName = | |
| 70 app.manifest.name.replace(/[- ]+/g, '').toLowerCase(); | |
| 71 if (normalizedSearchName === normalizedAppName) { | |
| 72 return app; | |
| 73 } | |
| 74 } | |
| 75 return null; | |
| 76 } | |
| 77 | |
| 78 function usageAndDie(justApps) { | |
| 79 if (!justApps) | |
| 80 dump( | |
| 81 'The --runapp argument specifies an app to automatically run at\n'+ | |
| 82 'startup. We match against app names per their manifest and \n' + | |
| 83 'ignoring capitalization, dashes, and whitespace.\n' + | |
| 84 '\nThe system will load as usual except the lock screen will be ' + | |
| 85 'automatically be disabled.\n\n' + | |
| 86 'Known apps:\n'); | |
| 87 | |
| 88 for (let i = 0; i < apps.length; i++) { | |
| 89 dump(' ' + apps[i].manifest.name + '\n'); | |
| 90 } | |
| 91 | |
| 92 // Exit the b2g client | |
| 93 Services.startup.quit(Ci.nsIAppStartup.eAttemptQuit); | |
| 94 } | |
| 95 | |
| 96 if (this._appName === '') { | |
| 97 usageAndDie(); | |
| 98 return; | |
| 99 } | |
| 100 | |
| 101 let app = findAppWithName(this._appName); | |
| 102 if (!app) { | |
| 103 dump('Could not find app: "' + this._appName + '". Maybe you meant one of:\n'); | |
| 104 usageAndDie(true); | |
| 105 return; | |
| 106 } | |
| 107 | |
| 108 let setReq = | |
| 109 navigator.mozSettings.createLock().set({'lockscreen.enabled': false}); | |
| 110 setReq.onsuccess = function() { | |
| 111 // give the event loop 100ms to disable the lock screen | |
| 112 window.setTimeout(function() { | |
| 113 dump('--runapp launching app: ' + app.manifest.name + '\n'); | |
| 114 app.launch(); | |
| 115 }, 100); | |
| 116 }; | |
| 117 setReq.onerror = function() { | |
| 118 dump('--runapp failed to disable lock-screen. Giving up.\n'); | |
| 119 }; | |
| 120 | |
| 121 dump('--runapp found app: ' + app.manifest.name + | |
| 122 ', disabling lock screen...\n'); | |
| 123 }, | |
| 124 | |
| 125 getAllError: function() { | |
| 126 dump('Problem getting the list of all apps!'); | |
| 127 } | |
| 128 }; |
