Bug 1090859 - Fixing race condition between applications.ready and SIM dialog

apps/system/js/sim_lock.js

@@ -183,6 +183,15 @@ var SimLock = {
   },
 
   showIfLocked: function sl_showIfLocked(currentSlotIndex, skipped) {
+    var self = this;
+    if (!applications.ready) {
+      window.addEventListener('applicationready', function onReady() {
+        window.removeEventListener('applicationready', onReady);
+        self.showIfLocked(currentSlotIndex, skipped);
+      });
+      return false;
+    }
+
     if (System.locked)
       return false;
 

apps/system/js/simcard_dialog.js

@@ -1,6 +1,6 @@
 /* -*- Mode: js; js-indent-level: 2; indent-tabs-mode: nil -*- */
 /* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
-/* global SIMSlotManager, SimPinSystemDialog */
+/* global SIMSlotManager, SimPinSystemDialog, applications */
 
 'use strict';
 
@@ -291,7 +291,7 @@ var SimPinDialog = {
       this._currentSlot = slot;
     }
 
-    window.dispatchEvent(new CustomEvent('simpinshow'));
+    this._dispatchEvent('simpinshow');
 
     this.simPinSystemDialog.show();
     this._visible = true;
@@ -313,32 +313,32 @@ var SimPinDialog = {
   },
 
   requestClose: function spl_requestClose(reason) {
-    window.dispatchEvent(new CustomEvent('simpinrequestclose', {
+    this._dispatchEvent('simpinrequestclose', {
       detail: {
         dialog: this,
         reason: reason
       }
-    }));
+    });
   },
 
   close: function spl_close(reason) {
-    window.dispatchEvent(new CustomEvent('simpinclose', {
+    this._dispatchEvent('simpinclose', {
       detail: this
-    }));
+    });
     this.simPinSystemDialog.hide(reason);
     this._visible = false;
   },
 
   skip: function spl_skip() {
-    window.dispatchEvent(new CustomEvent('simpinskip', {
+    this._dispatchEvent('simpinskip', {
       detail: this
-    }));
+    });
   },
 
   back: function spl_back() {
-    window.dispatchEvent(new CustomEvent('simpinback', {
+    this._dispatchEvent('simpinback', {
       detail: this
-    }));
+    });
   },
 
   // With the keyboard active the inputs, ensure they get scrolled
@@ -354,6 +354,17 @@ var SimPinDialog = {
     });
   },
 
+  _dispatchEvent: function spl_dispatchEvent(name, detail) {
+    if (applications.ready) {
+      window.dispatchEvent(new CustomEvent(name, detail));
+    } else {
+      window.addEventListener('applicationready', function onReady() {
+        window.removeEventListener('applicationready', onReady);
+        window.dispatchEvent(new CustomEvent(name, detail));
+      });
+    }
+  },
+
   init: function spl_init() {
     if (!this.simPinSystemDialog) {
       this.simPinSystemDialog = new SimPinSystemDialog({

apps/system/test/unit/sim_lock_test.js

@@ -1,13 +1,14 @@
 /* global SimLock, MockL10n, MocksHelper, SimPinDialog, System */
 /* global MockSIMSlotManager, MockVersionHelper, FtuLauncher */
-/* global preInit, VersionHelper:true */
+/* global preInit, VersionHelper:true, MockApplications */
 
 'use strict';
 
 requireApp('system/shared/test/unit/mocks/mock_simslot_manager.js');
 requireApp('system/test/unit/mock_simcard_dialog.js');
 require('/shared/test/unit/mocks/mock_l10n.js');
 require('/shared/test/unit/mocks/mock_system.js');
+requireApp('system/test/unit/mock_applications.js');
 requireApp('system/test/unit/mock_version_helper.js');
 requireApp('system/js/ftu_launcher.js');
 
@@ -53,6 +54,8 @@ suite('SimLock', function() {
   setup(function() {
     // inject one instance
     addSimSlot();
+    window.applications = MockApplications;
+    window.applications.ready = true;
     this.sinon.stub(SimPinDialog, 'show', function() {
       SimPinDialog.visible = true;
     });
@@ -199,6 +202,14 @@ suite('SimLock', function() {
       assert.isTrue(SimLock._alreadyShown);
     });
 
+
+    test('should do nothing if !applications.ready', function() {
+      window.applications.ready = false;
+      SimLock.showIfLocked();
+      assert.isFalse(SimPinDialog.show.called);
+      window.applications.ready = true;
+    });
+
     test('should not show if locked', function() {
       System.locked = true;
       SimLock.showIfLocked();

apps/system/test/unit/simcard_dialog_test.js

@@ -1,9 +1,10 @@
 /* globals MockL10n, MocksHelper, MockSIMSlot, MockSIMSlotManager,
-           SimPinDialog */
+           SimPinDialog, MockApplications */
 'use strict';
 
 require('/shared/test/unit/mocks/mock_l10n.js');
 requireApp('system//shared/test/unit/mocks/mock_simslot.js');
+requireApp('system/test/unit/mock_applications.js');
 requireApp('system//shared/test/unit/mocks/mock_simslot_manager.js');
 
 var mocksForSIMPINDialog = new MocksHelper([
@@ -39,6 +40,8 @@ suite('simcard dialog', function() {
     stubById = this.sinon.stub(document, 'getElementById');
     stubById.returns(document.createElement('div'));
     MockSIMSlotManager.mInstances = [new MockSIMSlot(null, 0)];
+    window.applications = MockApplications;
+    window.applications.ready = true;
     requireApp('system/js/simcard_dialog.js', function() {
       SimPinDialog.init();
       callback();