Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 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 "device/bluetooth/bluetooth_adapter_factory.h" |
| 6 | |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 7 | #include <vector> |
| 8 | |
| 9 | #include "base/bind.h" |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 10 | #include "base/lazy_instance.h" |
| 11 | #include "base/memory/ref_counted.h" |
| 12 | #include "base/memory/weak_ptr.h" |
| 13 | #include "device/bluetooth/bluetooth_adapter.h" |
| 14 | |
| 15 | #if defined(OS_CHROMEOS) |
Torne (Richard Coles) | 7d4cd47 | 2013-06-19 11:58:07 +0100 | [diff] [blame] | 16 | #include "device/bluetooth/bluetooth_adapter_chromeos.h" |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 17 | #elif defined(OS_WIN) |
| 18 | #include "device/bluetooth/bluetooth_adapter_win.h" |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 19 | #elif defined(OS_MACOSX) |
| 20 | #include "base/mac/mac_util.h" |
| 21 | #include "device/bluetooth/bluetooth_adapter_mac.h" |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 22 | #endif |
| 23 | |
| 24 | namespace { |
| 25 | |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 26 | using device::BluetoothAdapter; |
| 27 | using device::BluetoothAdapterFactory; |
| 28 | |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 29 | // Shared default adapter instance, we don't want to keep this class around |
| 30 | // if nobody is using it so use a WeakPtr and create the object when needed; |
| 31 | // since Google C++ Style (and clang's static analyzer) forbids us having |
| 32 | // exit-time destructors we use a leaky lazy instance for it. |
| 33 | base::LazyInstance<base::WeakPtr<device::BluetoothAdapter> >::Leaky |
| 34 | default_adapter = LAZY_INSTANCE_INITIALIZER; |
| 35 | |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 36 | typedef std::vector<BluetoothAdapterFactory::AdapterCallback> |
| 37 | AdapterCallbackList; |
| 38 | |
| 39 | // List of adapter callbacks to be called once the adapter is initialized. |
| 40 | // Since Google C++ Style (and clang's static analyzer) forbids us having |
| 41 | // exit-time destructors we use a lazy instance for it. |
| 42 | base::LazyInstance<AdapterCallbackList> adapter_callbacks = |
| 43 | LAZY_INSTANCE_INITIALIZER; |
| 44 | |
Torne (Richard Coles) | f2477e0 | 2013-11-28 11:55:43 +0000 | [diff] [blame] | 45 | #if defined(OS_WIN) |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 46 | void RunAdapterCallbacks() { |
| 47 | CHECK(default_adapter.Get().get()); |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 48 | scoped_refptr<BluetoothAdapter> adapter(default_adapter.Get().get()); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 49 | for (std::vector<BluetoothAdapterFactory::AdapterCallback>::const_iterator |
| 50 | iter = adapter_callbacks.Get().begin(); |
| 51 | iter != adapter_callbacks.Get().end(); |
| 52 | ++iter) { |
| 53 | iter->Run(adapter); |
| 54 | } |
| 55 | adapter_callbacks.Get().clear(); |
| 56 | } |
Torne (Richard Coles) | f2477e0 | 2013-11-28 11:55:43 +0000 | [diff] [blame] | 57 | #endif // defined(OS_WIN) |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 58 | |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 59 | } // namespace |
| 60 | |
| 61 | namespace device { |
| 62 | |
| 63 | // static |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 64 | bool BluetoothAdapterFactory::IsBluetoothAdapterAvailable() { |
| 65 | #if defined(OS_CHROMEOS) |
| 66 | return true; |
| 67 | #elif defined(OS_WIN) |
| 68 | return true; |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 69 | #elif defined(OS_MACOSX) |
| 70 | return base::mac::IsOSLionOrLater(); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 71 | #endif |
| 72 | return false; |
| 73 | } |
| 74 | |
| 75 | // static |
| 76 | void BluetoothAdapterFactory::GetAdapter(const AdapterCallback& callback) { |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 77 | if (!default_adapter.Get().get()) { |
| 78 | #if defined(OS_CHROMEOS) |
Torne (Richard Coles) | 7d4cd47 | 2013-06-19 11:58:07 +0100 | [diff] [blame] | 79 | chromeos::BluetoothAdapterChromeOS* new_adapter = |
| 80 | new chromeos::BluetoothAdapterChromeOS(); |
Torne (Richard Coles) | 90dce4d | 2013-05-29 14:40:03 +0100 | [diff] [blame] | 81 | default_adapter.Get() = new_adapter->weak_ptr_factory_.GetWeakPtr(); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 82 | #elif defined(OS_WIN) |
| 83 | BluetoothAdapterWin* new_adapter = new BluetoothAdapterWin( |
| 84 | base::Bind(&RunAdapterCallbacks)); |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 85 | new_adapter->Init(); |
| 86 | default_adapter.Get() = new_adapter->weak_ptr_factory_.GetWeakPtr(); |
| 87 | #elif defined(OS_MACOSX) |
| 88 | BluetoothAdapterMac* new_adapter = new BluetoothAdapterMac(); |
| 89 | new_adapter->Init(); |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 90 | default_adapter.Get() = new_adapter->weak_ptr_factory_.GetWeakPtr(); |
| 91 | #endif |
| 92 | } |
| 93 | |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 94 | if (default_adapter.Get()->IsInitialized()) { |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 95 | callback.Run(scoped_refptr<BluetoothAdapter>(default_adapter.Get().get())); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 96 | } else { |
| 97 | adapter_callbacks.Get().push_back(callback); |
| 98 | } |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 99 | } |
| 100 | |
| 101 | // static |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 102 | scoped_refptr<BluetoothAdapter> BluetoothAdapterFactory::MaybeGetAdapter() { |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 103 | return scoped_refptr<BluetoothAdapter>(default_adapter.Get().get()); |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 104 | } |
| 105 | |
| 106 | } // namespace device |