idle locking and lock service refactor

src/_locales/en/messages.json

@@ -427,6 +427,10 @@
     "message": "4 hours",
     "description": "4 hours"
   },
+  "onLocked": {
+    "message": "On Locked",
+    "description": "On Locked"
+  },
   "onRestart": {
     "message": "On Restart",
     "description": "On Restart"

src/background.js

@@ -11,11 +11,13 @@ var userService = new UserService(tokenService, apiService, cryptoService);
 var settingsService = new SettingsService(userService);
 var loginService = new LoginService(cryptoService, userService, apiService, settingsService);
 var folderService = new FolderService(cryptoService, userService, apiService);
+var lockService = new LockService(constantsService, cryptoService, folderService, loginService, setIcon, refreshBadgeAndMenu);
 var syncService = new SyncService(loginService, folderService, userService, apiService, settingsService,
     cryptoService, logout);
 var autofillService = new AutofillService();
 var passwordGenerationService = new PasswordGenerationService();
 
+if (chrome.commands) {
     chrome.commands.onCommand.addListener(function (command) {
         if (command === 'generate_password') {
             ga('send', {
@@ -28,6 +30,7 @@ chrome.commands.onCommand.addListener(function (command) {
             });
         }
     });
+}
 
 var loginToAutoFill = null,
     pageDetailsToAutoFill = [],
@@ -738,57 +741,3 @@ function fullSync(override) {
         }
     });
 }
-
-// Locking
-
-var lastLockCheck = null;
-checkLock();
-setInterval(checkLock, 10 * 1000); // check every 10 seconds
-
-function checkLock() {
-    var now = new Date();
-    if (lastLockCheck && (now - lastLockCheck) < 5000) {
-        // can only check lock every 5 seconds
-        return;
-    }
-    lastLockCheck = now;
-
-    if (chrome.extension.getViews({ type: 'popup' }).length > 0) {
-        // popup is open, do not lock
-        return;
-    }
-
-    cryptoService.getKey().then(function (key) {
-        if (!key) {
-            // no key so no need to lock
-            return;
-        }
-
-        chrome.storage.local.get(constantsService.lockOptionKey, function (obj) {
-            if (obj && ((!obj[constantsService.lockOptionKey] && obj[constantsService.lockOptionKey] !== 0) ||
-                obj[constantsService.lockOptionKey] === -1)) {
-                // no lock option set
-                return;
-            }
-
-            chrome.storage.local.get(constantsService.lastActiveKey, function (obj2) {
-                if (obj2 && obj2[constantsService.lastActiveKey]) {
-                    var lastActive = obj2[constantsService.lastActiveKey];
-                    var diffSeconds = ((new Date()).getTime() - lastActive) / 1000;
-                    var lockOptionSeconds = parseInt(obj[constantsService.lockOptionKey]) * 60;
-
-                    if (diffSeconds >= lockOptionSeconds) {
-                        // need to lock now
-                        Q.all([cryptoService.clearKey(), cryptoService.clearOrgKeys(true)]).then(function () {
-                            cryptoService.clearPrivateKey();
-                            setIcon();
-                            folderService.clearCache();
-                            loginService.clearCache();
-                            refreshBadgeAndMenu();
-                        });
-                    }
-                }
-            });
-        });
-    });
-};

src/manifest.json

@@ -58,6 +58,7 @@
     "storage",
     "unlimitedStorage",
     "clipboardWrite",
+    "idle",
     "http://*/*",
     "https://*/*"
   ],

src/popup/app/settings/views/settings.html

@@ -18,6 +18,7 @@
                         <option value="30">{{i18n.thirtyMinutes}}</option>
                         <option value="60">{{i18n.oneHour}}</option>
                         <option value="240">{{i18n.fourHours}}</option>
+                        <option value="-2">{{i18n.onLocked}}</option>
                         <option value="-1">{{i18n.onRestart}}</option>
                         <option value="">{{i18n.never}}</option>
                     </select>

src/services/lockService.js

@@ -0,0 +1,125 @@
+function LockService(constantsService, cryptoService, folderService, loginService, setIcon, refreshBadgeAndMenu) {
+    this.lastLockCheck = null;
+    this.constantsService = constantsService;
+    this.cryptoService = cryptoService;
+    this.folderService = folderService;
+    this.loginService = loginService;
+    this.setIcon = setIcon;
+    this.refreshBadgeAndMenu = refreshBadgeAndMenu;
+
+    initLockService(this);
+};
+
+function initLockService(self) {
+    checkLock();
+    setInterval(checkLock, 10 * 1000); // check every 10 seconds
+
+    function checkLock() {
+        var now = new Date();
+        if (self.lastLockCheck && (now - self.lastLockCheck) < 5000) {
+            // can only check lock every 5 seconds
+            return;
+        }
+        self.lastLockCheck = now;
+
+        if (chrome.extension.getViews({ type: 'popup' }).length > 0) {
+            // popup is open, do not lock
+            return;
+        }
+
+        var lockOptionSeconds = null;
+        self.cryptoService.getKey().then(function (key) {
+            if (!key) {
+                // no key so no need to lock
+                return false;
+            }
+
+            return getLockOption();
+        }).then(function (lockOption) {
+            if (lockOption === false || lockOption < 0) {
+                return;
+            }
+
+            lockOptionSeconds = lockOption * 60;
+            return getLastActive();
+        }).then(function (lastActive) {
+            if (lockOptionSeconds === null) {
+                return;
+            }
+
+            var diffSeconds = ((new Date()).getTime() - lastActive) / 1000;
+            if (diffSeconds >= lockOptionSeconds) {
+                // need to lock now
+                self.lock();
+            }
+        });
+    }
+
+    if (chrome.idle && chrome.idle.onStateChanged) {
+        chrome.idle.onStateChanged.addListener(function (newState) {
+            if (newState === 'locked') {
+                getLockOption().then(function (lockOption) {
+                    if (lockOption === -2) {
+                        self.lock();
+                    }
+                });
+            }
+        });
+    }
+
+    LockService.prototype.lock = function () {
+        Q.all([self.cryptoService.clearKey(), self.cryptoService.clearOrgKeys(true)]).then(function () {
+            self.cryptoService.clearPrivateKey();
+            self.setIcon();
+            self.folderService.clearCache();
+            self.loginService.clearCache();
+            self.refreshBadgeAndMenu();
+        });
+    };
+
+    function getLockOption() {
+        var deferred = Q.defer();
+
+        chrome.storage.local.get(self.constantsService.lockOptionKey, function (obj) {
+            if (obj && obj[constantsService.lockOptionKey] === 0 || obj[constantsService.lockOptionKey]) {
+                deferred.resolve(parseInt(obj[self.constantsService.lockOptionKey]));
+            }
+            else {
+                deferred.reject();
+            }
+        });
+
+        return deferred.promise;
+    }
+
+    function getLastActive() {
+        var deferred = Q.defer();
+
+        chrome.storage.local.get(self.constantsService.lastActiveKey, function (obj) {
+            if (obj && obj[constantsService.lastActiveKey]) {
+                deferred.resolve(obj[constantsService.lastActiveKey]);
+            }
+            else {
+                deferred.reject();
+            }
+        });
+
+        return deferred.promise;
+    }
+
+    function getIdleState(detectionInterval) {
+        detectionInterval = detectionInterval || (60 * 5);
+        var deferred = Q.defer();
+
+        if (chrome.idle && chrome.idle.queryState) {
+            chrome.idle.queryState(detectionInterval, function (state) {
+                deferred.resolve(state);
+            });
+        }
+        else {
+            deferred.resolve('active');
+        }
+
+        return deferred.promise;
+    }
+};