bluetooth_device: Support for Playstation DualShock3 joystick

device/bluetooth/bluetooth_adapter_chromeos.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "device/bluetooth/bluetooth_adapter_chromeos.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/logging.h"
@@ skipping 375 matching lines @@
       property_name == properties->connected.name() ||
       property_name == properties->uuids.name() ||
       property_name == properties->rssi.name() ||
       property_name == properties->connection_rssi.name() ||
       property_name == properties->connection_tx_power.name())
     NotifyDeviceChanged(device_chromeos);
 
   // When a device becomes paired, mark it as trusted so that the user does
   // not need to approve every incoming connection
   if (property_name == properties->paired.name() &&
-      properties->paired.value())
+      properties->paired.value() && !properties->trusted.value())
     device_chromeos->SetTrusted();
 
   // UMA connection counting
   if (property_name == properties->connected.name()) {
+    // PlayStation joystick tries to reconnect after disconnection from USB.
+    // If it is still not trusted, set it, so it becomes available on the
+    // list of known devices.
+    if (properties->connected.value() && device_chromeos->IsTrustable() &&
+        !properties->trusted.value())
+      device_chromeos->SetTrusted();
+
     int count = 0;
 
     for (DevicesMap::iterator iter = devices_.begin();
          iter != devices_.end(); ++iter) {
       if (iter->second->IsPaired() && iter->second->IsConnected())
         ++count;
     }
 
     UMA_HISTOGRAM_COUNTS_100("Bluetooth.ConnectedDeviceCount", count);
   }
@@ skipping 522 matching lines @@
 
     // If the queued request resulted in a pending call, then let it
     // asynchonously process the remaining queued requests once the pending
     // call returns.
     if (discovery_request_pending_)
       return;
   }
 }
 
 }  // namespace chromeos