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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #include "chrome/browser/extensions/api/bluetooth/bluetooth_extension_function.h"
6 
7 #include "base/memory/ref_counted.h"
8 #include "chrome/browser/extensions/api/bluetooth/bluetooth_api.h"
9 #include "chrome/browser/extensions/api/bluetooth/bluetooth_event_router.h"
10 #include "content/public/browser/browser_thread.h"
11 #include "device/bluetooth/bluetooth_adapter.h"
12 #include "device/bluetooth/bluetooth_adapter_factory.h"
13 
14 using content::BrowserThread;
15 
16 namespace {
17 
18 const char kPlatformNotSupported[] =
19     "This operation is not supported on your platform";
20 
GetEventRouter(content::BrowserContext * context)21 extensions::BluetoothEventRouter* GetEventRouter(
22     content::BrowserContext* context) {
23   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
24   return extensions::BluetoothAPI::Get(context)->event_router();
25 }
26 
IsBluetoothSupported(content::BrowserContext * context)27 bool IsBluetoothSupported(content::BrowserContext* context) {
28   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
29   return GetEventRouter(context)->IsBluetoothSupported();
30 }
31 
GetAdapter(const device::BluetoothAdapterFactory::AdapterCallback callback,content::BrowserContext * context)32 void GetAdapter(const device::BluetoothAdapterFactory::AdapterCallback callback,
33                 content::BrowserContext* context) {
34   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
35   GetEventRouter(context)->GetAdapter(callback);
36 }
37 
38 }  // namespace
39 
40 namespace extensions {
41 namespace api {
42 
BluetoothExtensionFunction()43 BluetoothExtensionFunction::BluetoothExtensionFunction() {
44 }
45 
~BluetoothExtensionFunction()46 BluetoothExtensionFunction::~BluetoothExtensionFunction() {
47 }
48 
RunAsync()49 bool BluetoothExtensionFunction::RunAsync() {
50   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
51 
52   if (!IsBluetoothSupported(browser_context())) {
53     SetError(kPlatformNotSupported);
54     return false;
55   }
56   GetAdapter(base::Bind(&BluetoothExtensionFunction::RunOnAdapterReady, this),
57              browser_context());
58 
59   return true;
60 }
61 
RunOnAdapterReady(scoped_refptr<device::BluetoothAdapter> adapter)62 void BluetoothExtensionFunction::RunOnAdapterReady(
63     scoped_refptr<device::BluetoothAdapter> adapter) {
64   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
65   DoWork(adapter);
66 }
67 
68 }  // namespace api
69 }  // namespace extensions
70