forget device and autiload account features added

app/_locales/en/messages.json

@@ -339,6 +339,9 @@
   "followTwitter": {
     "message": "Follow us on Twitter"
   },
+  "forgetDevice": {
+    "message": "Forget this device"
+  },
   "from": {
     "message": "From"
   },

app/scripts/metamask-controller.js

@@ -357,8 +357,12 @@ module.exports = class MetamaskController extends EventEmitter {
       removeAccount: nodeify(this.removeAccount, this),
       importAccountWithStrategy: nodeify(this.importAccountWithStrategy, this),
 
-      // trezor
+      // hardware wallets
       connectHardware: nodeify(this.connectHardware, this),
+      forgetDevice: nodeify(this.forgetDevice, this),
+      checkHardwareStatus: nodeify(this.checkHardwareStatus, this),
+
+      // TREZOR
       unlockTrezorAccount: nodeify(this.unlockTrezorAccount, this),
 
       // vault management
@@ -561,6 +565,37 @@ module.exports = class MetamaskController extends EventEmitter {
     }
   }
 
+  async checkHardwareStatus (deviceName) {
+
+    switch (deviceName) {
+      case 'trezor':
+        const keyringController = this.keyringController
+        const keyring = await keyringController.getKeyringsByType(
+          'Trezor Hardware'
+        )[0]
+        if (!keyring) {
+          return false
+        }
+        return keyring.isUnlocked()
+    }
+  }
+
+  async forgetDevice (deviceName) {
+
+    switch (deviceName) {
+      case 'trezor':
+        const keyringController = this.keyringController
+        const keyring = await keyringController.getKeyringsByType(
+          'Trezor Hardware'
+        )[0]
+        if (!keyring) {
+          return false
+        }
+        keyring.forgetDevice()
+        return true
+    }
+  }
+
   /**
    * Imports an account from a trezor device.
    *

ui/app/actions.js

@@ -79,6 +79,8 @@ var actions = {
   importNewAccount,
   addNewAccount,
   connectHardware,
+  checkHardwareStatus,
+  forgetDevice,
   unlockTrezorAccount,
   NEW_ACCOUNT_SCREEN: 'NEW_ACCOUNT_SCREEN',
   navigateToNewAccountScreen,
@@ -622,6 +624,48 @@ function addNewAccount () {
   }
 }
 
+function checkHardwareStatus (deviceName) {
+  log.debug(`background.checkHardwareStatus`, deviceName)
+  return (dispatch, getState) => {
+    dispatch(actions.showLoadingIndication())
+    return new Promise((resolve, reject) => {
+      background.checkHardwareStatus(deviceName, (err, unlocked) => {
+        if (err) {
+          log.error(err)
+          dispatch(actions.displayWarning(err.message))
+          return reject(err)
+        }
+
+        dispatch(actions.hideLoadingIndication())
+
+        forceUpdateMetamaskState(dispatch)
+        return resolve(unlocked)
+      })
+    })
+  }
+}
+
+function forgetDevice (deviceName) {
+  log.debug(`background.forgetDevice`, deviceName)
+  return (dispatch, getState) => {
+    dispatch(actions.showLoadingIndication())
+    return new Promise((resolve, reject) => {
+      background.forgetDevice(deviceName, (err, response) => {
+        if (err) {
+          log.error(err)
+          dispatch(actions.displayWarning(err.message))
+          return reject(err)
+        }
+
+        dispatch(actions.hideLoadingIndication())
+
+        forceUpdateMetamaskState(dispatch)
+        return resolve()
+      })
+    })
+  }
+}
+
 function connectHardware (deviceName, page) {
   log.debug(`background.connectHardware`, deviceName, page)
   return (dispatch, getState) => {

ui/app/components/pages/create-account/connect-hardware/account-list.js

@@ -90,11 +90,20 @@ class AccountList extends Component {
     ])
   }
 
+  renderForgetDevice () {
+    return h('div.hw-forget-device-container', {}, [
+      h('a', {
+        onClick: this.props.onForgetDevice.bind(this),
+      }, this.context.t('forgetDevice')),
+    ])
+  }
+
   render () {
     return h('div', {}, [
         this.renderAccounts(),
         this.renderPagination(),
         this.renderButtons(),
+        this.renderForgetDevice(),
     ])
   }
 
@@ -104,6 +113,7 @@ class AccountList extends Component {
 AccountList.propTypes = {
     accounts: PropTypes.array.isRequired,
     onAccountChange: PropTypes.func.isRequired,
+    onForgetDevice: PropTypes.func.isRequired,
     getPage: PropTypes.func.isRequired,
     network: PropTypes.string,
     selectedAccount: PropTypes.string,

ui/app/components/pages/create-account/connect-hardware/index.js

@@ -13,13 +13,19 @@ class ConnectHardwareForm extends Component {
     super(props)
     this.state = {
       error: null,
-      response: null,
       btnText: context.t('connectToTrezor'),
       selectedAccount: null,
       accounts: [],
     }
   }
 
+  async componentDidMount () {
+    const unlocked = await this.props.checkHardwareStatus('trezor')
+    if (unlocked) {
+      this.getPage(0)
+    }
+  }
+
   connectToTrezor = () => {
     if (this.state.accounts.length) {
       return null
@@ -70,6 +76,20 @@ class ConnectHardwareForm extends Component {
       })
   }
 
+  onForgetDevice = () => {
+    this.props.forgetDevice('trezor')
+    .then(_ => {
+      this.setState({
+        error: null,
+        btnText: this.context.t('connectToTrezor'),
+        selectedAccount: null,
+        accounts: [],
+      })
+    }).catch(e => {
+      this.setState({ error: e.toString() })
+    })
+  }
+
   onUnlockAccount = () => {
 
     if (this.state.selectedAccount === null) {
@@ -110,6 +130,7 @@ class ConnectHardwareForm extends Component {
       getPage: this.getPage,
       history: this.props.history,
       onUnlockAccount: this.onUnlockAccount,
+      onForgetDevice: this.onForgetDevice,
       onCancel: this.onCancel,
     })
   }
@@ -127,6 +148,8 @@ ConnectHardwareForm.propTypes = {
   showImportPage: PropTypes.func,
   showConnectPage: PropTypes.func,
   connectHardware: PropTypes.func,
+  checkHardwareStatus: PropTypes.func,
+  forgetDevice: PropTypes.func,
   unlockTrezorAccount: PropTypes.func,
   numberOfExistingAccounts: PropTypes.number,
   history: PropTypes.object,
@@ -154,6 +177,12 @@ const mapDispatchToProps = dispatch => {
     connectHardware: (deviceName, page) => {
       return dispatch(actions.connectHardware(deviceName, page))
     },
+    checkHardwareStatus: (deviceName) => {
+      return dispatch(actions.checkHardwareStatus(deviceName))
+    },
+    forgetDevice: (deviceName) => {
+      return dispatch(actions.forgetDevice(deviceName))
+    },
     unlockTrezorAccount: index => {
       return dispatch(actions.unlockTrezorAccount(index))
     },

ui/app/css/itcss/components/new-account.scss

@@ -270,6 +270,17 @@
   }
 }
 
+.hw-forget-device-container {
+  display: flex;
+  flex-flow: column;
+  align-items: center;
+  padding: 30px 30px 0;
+
+  a {
+    color: #2f9ae0;
+    cursor: pointer;
+  }
+}
 
 .new-account-create-form {
   display: flex;