bluetooth: Add Device connection logic and accompanying user interface.

chrome/browser/resources/bluetooth_internals/device_table.js

Index: chrome/browser/resources/bluetooth_internals/device_table.js
diff --git a/chrome/browser/resources/bluetooth_internals/device_table.js b/chrome/browser/resources/bluetooth_internals/device_table.js
index c4ed60b58b622de67c6cec0f9016e9bce6c27ac9..4a9bacb810652e33e307ed6fb418c8dc8161847d 100644
--- a/chrome/browser/resources/bluetooth_internals/device_table.js
+++ b/chrome/browser/resources/bluetooth_internals/device_table.js
@@ -7,9 +7,20 @@
  */
 
 cr.define('device_table', function() {
+  var COLUMNS = {
+    NAME: 0,
+    ADDRESS: 1,
+    RSSI: 2,
+    SERVICES: 3,
+    CONNECTION_STATE: 4,
+    INSPECT_BUTTON: 5,
+    CONNECTION_ERROR: 6,
+  };
+
   /**
    * A table that lists the devices and responds to changes in the given
-   *     DeviceCollection.
+   * DeviceCollection. Fires events for inspection requests from listed
+   * devices.
    * @constructor
    * @extends {HTMLTableElement}
    */
@@ -55,16 +66,30 @@ cr.define('device_table', function() {
     /**
      * Updates table row on change event of the device collection.
      * @private
-     * @param {!CustomEvent} event
+     * @param {!Event} event
      */
     handleChange_: function(event) {
       this.updateRow_(this.devices_.item(event.index), event.index);
     },
 
     /**
+     * Fires a inspect pressed event for the row |index|.
+     * @private
+     * @param {number} index
+     */
+    handleInspectBtn_: function(index) {
+      var event = new CustomEvent('inspectpressed', {
+        detail: {
+          address: this.devices_.item(index).address,
+        }
+      });
+      this.dispatchEvent(event);
+    },
+
+    /**
      * Updates table row on splice event of the device collection.
      * @private
-     * @param {!CustomEvent} event
+     * @param {!Event} event
      */
     handleSplice_: function(event) {
       event.removed.forEach(function() {
@@ -79,17 +104,30 @@ cr.define('device_table', function() {
     /**
      * Inserts a new row at |index| and updates it with info from |device|.
      * @private
-     * @param {!device_collection.Device} device
+     * @param {!interfaces.BluetoothDevice.DeviceInfo} device
      * @param {?number} index
      */
     insertRow_: function(device, index) {
       var row = this.body_.insertRow(index);
-      row.id = device.info.address;
+      row.id = device.address;
 
       for (var i = 0; i < this.headers_.length; i++) {
         row.insertCell();
       }
 
+      // Make two extra cells for the inspect button and connect errors.
+      var inspectCell = row.insertCell();
+
+      // TODO(crbug.com/663830): Replace connection error column with better
+      // notification system.
+      var connectErrorCell = row.insertCell();
+
+      var inspectButton = document.createElement('button');
+      inspectCell.appendChild(inspectButton);
+      inspectButton.addEventListener('click', function() {
+        this.handleInspectBtn_(row.sectionRowIndex);
+      }.bind(this));
+
       this.updateRow_(device, row.sectionRowIndex);
     },
 
@@ -111,29 +149,53 @@ cr.define('device_table', function() {
     /**
      * Updates the row at |index| with the info from |device|.
      * @private
-     * @param {!device_collection.Device} device
+     * @param {!interfaces.BluetoothDevice.DeviceInfo} device
      * @param {number} index
      */
     updateRow_: function(device, index) {
-      assert(this.body_.rows[index], 'Row ' + index + ' is not in the table.');
       var row = this.body_.rows[index];
+      assert(row, 'Row ' + index + ' is not in the table.');
 
       row.classList.toggle('removed', device.removed);
 
+      var inspectButton = row.cells[COLUMNS.INSPECT_BUTTON].children[0];
+      inspectButton.disabled = false;
+      switch (device.connectionStatus) {
+        case device_collection.ConnectionStatus.DISCONNECTED:
+          inspectButton.textContent = 'Inspect';
+          break;
+        case device_collection.ConnectionStatus.CONNECTED:
+          inspectButton.textContent = 'Forget';
+          break;
+        case device_collection.ConnectionStatus.CONNECTING:
+          inspectButton.disabled = true;
+          break;
+        default: assert('case not handled');
+      }
+
+      // TODO(crbug.com/663830): Replace connection error column with better
+      // notification system.
+      var connectErrorCell = row.cells[COLUMNS.CONNECTION_ERROR];
+      connectErrorCell.textContent = device.connectionMessage;
+
       // Update the properties based on the header field path.
       for (var i = 0; i < this.headers_.length; i++) {
         var header = this.headers_[i];
         var propName = header.dataset.field;
 
         var parts = propName.split('.');
-        var obj = device.info;
+        var obj = device;
         while (obj != null && parts.length > 0) {
           var part = parts.shift();
           obj = obj[part];
         }
 
+        if (propName == 'is_gatt_connected') {
+          obj = obj ? 'Connected' : 'Not Connected';
+        }
+
         var cell = row.cells[i];
-        cell.textContent = obj || 'Unknown';
+        cell.textContent = obj == null ? 'Unknown' : obj;
         cell.dataset.label = header.textContent;
       }
     },