Basic infrastructure for the Bluetooth API.

chrome/browser/chromeos/extensions/bluetooth_event_router.cc

+// Copyright (c) 2012 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 "chrome/browser/chromeos/extensions/bluetooth_event_router.h"
+
+#include "base/json/json_writer.h"
+#include "chrome/browser/chromeos/bluetooth/bluetooth_adapter.h"
+#include "chrome/browser/extensions/extension_event_names.h"
+#include "chrome/browser/extensions/extension_event_router.h"
+
+namespace chromeos {
+
+ExtensionBluetoothEventRouter::ExtensionBluetoothEventRouter(Profile* profile)
+    : profile_(profile),
+      adapter_(chromeos::BluetoothAdapter::CreateDefaultAdapter()) {
+  DCHECK(profile_);
+  DCHECK(adapter_.get());
+  adapter_->AddObserver(this);
+}
+
+ExtensionBluetoothEventRouter::~ExtensionBluetoothEventRouter() {
+  adapter_->RemoveObserver(this);
+}
+
+void ExtensionBluetoothEventRouter::AdapterPresentChanged(
+    chromeos::BluetoothAdapter* adapter, bool present) {
+  DCHECK(adapter == adapter_.get());
+  DispatchEvent(extension_event_names::kBluetoothOnAvailabilityChanged,
+      present);
+}
+
+void ExtensionBluetoothEventRouter::AdapterPoweredChanged(
+    chromeos::BluetoothAdapter* adapter, bool has_power) {
+  DCHECK(adapter == adapter_.get());
+  DispatchEvent(extension_event_names::kBluetoothOnPowerChanged, has_power);
+}
+
+void ExtensionBluetoothEventRouter::DispatchEvent(
+    const char* event_name, bool value) {
+  ListValue args;
+  args.Append(Value::CreateBooleanValue(value));
+  std::string json_args;
+  base::JSONWriter::Write(&args, &json_args);
+
+  profile_->GetExtensionEventRouter()->DispatchEventToRenderers(
+      event_name, json_args, NULL, GURL());
+}
+
+}  // namespace chromeos