Add functionality to Bluetooth settings UI.

chrome/browser/ui/webui/chromeos/emulator/device_emulator_message_handler.h

Index: chrome/browser/ui/webui/chromeos/emulator/device_emulator_message_handler.h
diff --git a/chrome/browser/ui/webui/chromeos/emulator/device_emulator_message_handler.h b/chrome/browser/ui/webui/chromeos/emulator/device_emulator_message_handler.h
index 6694ac812e66fcb196d7878ed209dfb76be197f2..c0fddf32a1a412eebc9960acea1ed6c475635325 100644
--- a/chrome/browser/ui/webui/chromeos/emulator/device_emulator_message_handler.h
+++ b/chrome/browser/ui/webui/chromeos/emulator/device_emulator_message_handler.h
@@ -5,25 +5,32 @@
 #ifndef CHROME_BROWSER_UI_WEBUI_CHROMEOS_EMULATOR_DEVICE_EMULATOR_MESSAGE_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_CHROMEOS_EMULATOR_DEVICE_EMULATOR_MESSAGE_HANDLER_H_
 
-#include "chromeos/dbus/fake_power_manager_client.h"
+#include "base/memory/scoped_ptr.h"
 #include "chromeos/dbus/power_manager/power_supply_properties.pb.h"
 #include "content/public/browser/web_ui_message_handler.h"
 
 namespace base {
 class ListValue;
-}
+}  // namespace base
+
+namespace dbus {
+class ObjectPath;
+}  // namespace dbus
+
+namespace chromeos {
+
+class FakeBluetoothDeviceClient;
+class FakePowerManagerClient;
 
 // Handler class for the Device Emulator page operations.
 class DeviceEmulatorMessageHandler
-    : public content::WebUIMessageHandler,
-      public chromeos::PowerManagerClient::Observer {
+    : public content::WebUIMessageHandler {
  public:
   DeviceEmulatorMessageHandler();
   ~DeviceEmulatorMessageHandler() override;
 
-  // Callbacks for JS request methods. All these methods work
-  // asynchronously.
-  void RequestPowerInfo(const base::ListValue* args);
+  // Adds |this| as an observer to all necessary objects.
+  void Init();
 
   // Callback for the "requestBluetoothDiscover" message. This asynchronously
   // requests for the system to discover a certain device. The device's data
@@ -31,6 +38,10 @@ class DeviceEmulatorMessageHandler
   // already exist, then it will be created and attached to the main adapter.
   void HandleRequestBluetoothDiscover(const base::ListValue* args);
 
+  // Callback for the "requestBluetoothInfo" message. This asynchronously
+  // requests for the devices which are already paired with the device.
+  void HandleRequestBluetoothInfo(const base::ListValue* args);
+
   // Callback for the "requestBluetoothPair" message. This asynchronously
   // requests for the system to pair a certain device. The device's data should
   // be passed into |args| as a dictionary. If the device does not already
@@ -45,19 +56,37 @@ class DeviceEmulatorMessageHandler
   void UpdateTimeToEmpty(const base::ListValue* args);
   void UpdateTimeToFull(const base::ListValue* args);
 
-  // Adds |this| as an observer to all necessary objects.
-  void Init();
-
-  // chromeos::PowerManagerClient::Observer:
-  void PowerChanged(const power_manager::PowerSupplyProperties& proto) override;
-
   // content::WebUIMessageHandler:
   void RegisterMessages() override;
 
+  // Callback for the "requestPowerInfo" message. This asynchonously requests
+  // for power settings such as battery percentage, external power, etc. to
+  // update the view.
+  void RequestPowerInfo(const base::ListValue* args);
+
  private:
-  chromeos::FakePowerManagerClient* fake_power_manager_client_;
+  class BluetoothObserver;
+  class PowerObserver;
+
+  // Creates a bluetooth device with the properties given in |args|. |args|
+  // should contain a dictionary so that each dictionary value can be mapped
+  // to its respective property upon creating the device. Returns the device
+  // path.
+  std::string CreateBluetoothDeviceFromListValue(const base::ListValue* args);
+
+  // Builds a dictionary with each key representing a property of the device
+  // with path |object_path|.
+  scoped_ptr<base::DictionaryValue> GetDeviceInfo(
+      const dbus::ObjectPath& object_path);
+
+  scoped_ptr<BluetoothObserver> bluetooth_observer_;
+  FakeBluetoothDeviceClient* fake_bluetooth_device_client_;
+  FakePowerManagerClient* fake_power_manager_client_;
+  scoped_ptr<PowerObserver> power_observer_;
 
   DISALLOW_COPY_AND_ASSIGN(DeviceEmulatorMessageHandler);
 };
 
+}  // namespace chromeos
+
 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_EMULATOR_DEVICE_EMULATOR_MESSAGE_HANDLER_H_