Base version of HID detection OOBE screen.

chrome/browser/resources/chromeos/login/oobe_screen_hid_detection.js

Index: chrome/browser/resources/chromeos/login/oobe_screen_hid_detection.js
diff --git a/chrome/browser/resources/chromeos/login/oobe_screen_hid_detection.js b/chrome/browser/resources/chromeos/login/oobe_screen_hid_detection.js
index 165dae7fa7c50c99fdddd466c14ea85c1e4fcb16..f038c9618f5802137289099433f77a2abbfd8c98 100644
--- a/chrome/browser/resources/chromeos/login/oobe_screen_hid_detection.js
+++ b/chrome/browser/resources/chromeos/login/oobe_screen_hid_detection.js
@@ -8,6 +8,27 @@
 
 login.createScreen('HIDDetectionScreen', 'hid-detection', function() {
   return {
+    EXTERNAL_API: [
+      'setPointingDeviceState',
+      'setKeyboardDeviceState',
+    ],
+
+  /**
+   * Enumeration of possible states during pairing.  The value associated with
+   * each state maps to a localized string in the global variable
+   * |loadTimeData|.
+   * @enum {string}
+   */
+   PAIRING: {
+     STARTUP: 'bluetoothStartConnecting',
+     REMOTE_PIN_CODE: 'bluetoothRemotePinCode',
+     REMOTE_PASSKEY: 'bluetoothRemotePasskey',
+     CONNECT_FAILED: 'bluetoothConnectFailed',
+     CANCELED: 'bluetoothPairingCanceled',
+     // Pairing dismissed (succeeded or canceled).
+     DISMISSED: 'bluetoothPairingDismissed'
+   },
+
     /**
      * Button to move to usual OOBE flow after detection.
      * @private
@@ -42,11 +63,107 @@ login.createScreen('HIDDetectionScreen', 'hid-detection', function() {
     },
 
     /**
+     * Sets a device-block css class to reflect device state of searching,
+     * connected, pairing or paired (for BT devices).
+     * @param {blockId} id one of 'hid-mouse-block' or 'hid-keyboard-block'.
+     * @param {state} one of 'searching', 'connected', 'pairing', 'paired',
+     * @private
+     */
+    setDeviceBlockState_: function(blockId, state) {
+      if (state == 'update')
+        return;
+      var deviceBlock = $(blockId);
+      var states = ['searching', 'connected', 'pairing', 'paired'];
+      for (var i = 0; i < states.length; ++i) {
+        if (states[i] != state)
+          deviceBlock.classList.remove(states[i]);
+      }
+      deviceBlock.classList.add(state);
+    },
+
+    /**
+     * Sets state for mouse-block.
+     * @param {state} one of 'searching', 'connected', 'paired'.
+     */
+    setPointingDeviceState: function(state) {
+      if (state === undefined)
+        return;
+      this.setDeviceBlockState_('hid-mouse-block', state);
+    },
+
+    /**
+     * Sets state for pincode key elements.
+     * @param {entered} int, number of typed keys of pincode, -1 if keys press
+     * detection is not supported by device.
+     */
+    setPincodeKeysState_: function(entered) {
+      var pincodeLength = 7; // including enter-key
+      for (var i = 0; i < pincodeLength; i++) {
+        var pincodeSymbol = $('hid-keyboard-pincode-sym-' + (i + 1));
+        pincodeSymbol.classList.remove('key-typed');
+        pincodeSymbol.classList.remove('key-untyped');
+        pincodeSymbol.classList.remove('key-next');
+        if (i < entered)
+          pincodeSymbol.classList.add('key-typed');
+        else if (i == entered)
+          pincodeSymbol.classList.add('key-next');
+        else if (entered != -1)
+          pincodeSymbol.classList.add('key-untyped');
+      }
+    },
+
+    /**
+     * Sets state for keyboard-block.
+     * @param {data} dict with parameters.
+     */
+    setKeyboardDeviceState: function(data) {
+      if (data === undefined || !('state' in data))
+        return;
+      var state = data['state'];
+      this.setDeviceBlockState_('hid-keyboard-block', state);
+      if (state == 'paired')
+        $('hid-keyboard-label-paired').textContent = data['keyboard-label'];
+      else if (state == 'pairing') {
+        $('hid-keyboard-label-pairing').textContent = data['keyboard-label'];
+        if (data['pairing-state'] == this.PAIRING.REMOTE_PIN_CODE ||
+            data['pairing-state'] == this.PAIRING.REMOTE_PASSKEY) {
+          this.setPincodeKeysState_(-1);
+          for (var i = 0, len = data['pincode'].length; i < len; i++) {
+            var pincodeSymbol = $('hid-keyboard-pincode-sym-' + (i + 1));
+            pincodeSymbol.textContent = data['pincode'][i];
+          }
+        }
+      } else if (state == 'update') {
+        if ('keysEntered' in data) {
+          this.setPincodeKeysState_(data['keysEntered']);
+        }
+      }
+    },
+
+    /**
      * Event handler that is invoked just before the screen in shown.
      * @param {Object} data Screen init payload.
      */
     onBeforeShow: function(data) {
       $('hid-continue-button').disabled = true;
+      this.setDeviceBlockState_('hid-mouse-block', 'searching');
+      this.setDeviceBlockState_('hid-keyboard-block', 'searching');
+    },
+
+    addBluetoothDevice: function(device) {
+      // One device can be in the process of pairing.  If found, display
+      // the Bluetooth pairing overlay.
+      if (device.pairing)
+        this.showPairingLayout(device);
+    },
+
+    /**
+     * Displays the pairing overlay.
+     * @param {Object} device Description of the Bluetooth device.
+     */
+    showPairingLayout: function(device) {
+      BluetoothPairing.getInstance().update(device);
+      OptionsPage.showPageByName('bluetoothPairing', false);
     },
   };
 });