chromeos: Move files in //ash/common to //ash, part 1

ash/common/system/chromeos/bluetooth/bluetooth_notification_controller.cc

-// Copyright 2014 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 "ash/common/system/chromeos/bluetooth/bluetooth_notification_controller.h"
-
-#include <memory>
-#include <utility>
-
-#include "ash/common/system/system_notifier.h"
-#include "ash/resources/grit/ash_resources.h"
-#include "ash/strings/grit/ash_strings.h"
-#include "base/bind.h"
-#include "base/callback.h"
-#include "base/logging.h"
-#include "base/strings/stringprintf.h"
-#include "base/strings/utf_string_conversions.h"
-#include "device/bluetooth/bluetooth_adapter_factory.h"
-#include "device/bluetooth/bluetooth_device.h"
-#include "ui/base/l10n/l10n_util.h"
-#include "ui/base/resource/resource_bundle.h"
-#include "ui/message_center/message_center.h"
-#include "ui/message_center/notification.h"
-#include "ui/message_center/notification_delegate.h"
-#include "ui/message_center/notification_types.h"
-
-using device::BluetoothAdapter;
-using device::BluetoothAdapterFactory;
-using device::BluetoothDevice;
-using message_center::Notification;
-
-namespace {
-
-// Identifier for the discoverable notification.
-const char kBluetoothDeviceDiscoverableNotificationId[] =
-    "chrome://settings/bluetooth/discoverable";
-
-// Identifier for the pairing notification; the Bluetooth code ensures we
-// only receive one pairing request at a time, so a single id is sufficient and
-// means we "update" one notification if not handled rather than continually
-// bugging the user.
-const char kBluetoothDevicePairingNotificationId[] =
-    "chrome://settings/bluetooth/pairing";
-
-// Identifier for the notification that a device has been paired with the
-// system.
-const char kBluetoothDevicePairedNotificationId[] =
-    "chrome://settings/bluetooth/paired";
-
-// The BluetoothPairingNotificationDelegate handles user interaction with the
-// pairing notification and sending the confirmation, rejection or cancellation
-// back to the underlying device.
-class BluetoothPairingNotificationDelegate
-    : public message_center::NotificationDelegate {
- public:
-  BluetoothPairingNotificationDelegate(scoped_refptr<BluetoothAdapter> adapter,
-                                       const std::string& address);
-
- protected:
-  ~BluetoothPairingNotificationDelegate() override;
-
-  // message_center::NotificationDelegate overrides.
-  void Close(bool by_user) override;
-  void ButtonClick(int button_index) override;
-
- private:
-  // Buttons that appear in notifications.
-  enum Button { BUTTON_ACCEPT, BUTTON_REJECT };
-
-  // Reference to the underlying Bluetooth Adapter, holding onto this
-  // reference ensures the adapter object doesn't go out of scope while we have
-  // a pending request and user interaction.
-  scoped_refptr<BluetoothAdapter> adapter_;
-
-  // Address of the device being paired.
-  const std::string address_;
-
-  DISALLOW_COPY_AND_ASSIGN(BluetoothPairingNotificationDelegate);
-};
-
-BluetoothPairingNotificationDelegate::BluetoothPairingNotificationDelegate(
-    scoped_refptr<BluetoothAdapter> adapter,
-    const std::string& address)
-    : adapter_(adapter), address_(address) {}
-
-BluetoothPairingNotificationDelegate::~BluetoothPairingNotificationDelegate() {}
-
-void BluetoothPairingNotificationDelegate::Close(bool by_user) {
-  VLOG(1) << "Pairing notification closed. by_user = " << by_user;
-  // Ignore notification closes generated as a result of pairing completion.
-  if (!by_user)
-    return;
-
-  // Cancel the pairing of the device, if the object still exists.
-  BluetoothDevice* device = adapter_->GetDevice(address_);
-  if (device)
-    device->CancelPairing();
-}
-
-void BluetoothPairingNotificationDelegate::ButtonClick(int button_index) {
-  VLOG(1) << "Pairing notification, button click: " << button_index;
-  // If the device object still exists, send the appropriate response either
-  // confirming or rejecting the pairing.
-  BluetoothDevice* device = adapter_->GetDevice(address_);
-  if (device) {
-    switch (button_index) {
-      case BUTTON_ACCEPT:
-        device->ConfirmPairing();
-        break;
-      case BUTTON_REJECT:
-        device->RejectPairing();
-        break;
-    }
-  }
-
-  // In any case, remove this pairing notification.
-  message_center::MessageCenter::Get()->RemoveNotification(
-      kBluetoothDevicePairingNotificationId, false /* by_user */);
-}
-
-}  // namespace
-
-namespace ash {
-
-BluetoothNotificationController::BluetoothNotificationController()
-    : weak_ptr_factory_(this) {
-  BluetoothAdapterFactory::GetAdapter(
-      base::Bind(&BluetoothNotificationController::OnGetAdapter,
-                 weak_ptr_factory_.GetWeakPtr()));
-}
-
-BluetoothNotificationController::~BluetoothNotificationController() {
-  if (adapter_.get()) {
-    adapter_->RemoveObserver(this);
-    adapter_->RemovePairingDelegate(this);
-    adapter_ = NULL;
-  }
-}
-
-void BluetoothNotificationController::AdapterDiscoverableChanged(
-    BluetoothAdapter* adapter,
-    bool discoverable) {
-  if (discoverable) {
-    NotifyAdapterDiscoverable();
-  } else {
-    // Clear any previous discoverable notification.
-    message_center::MessageCenter::Get()->RemoveNotification(
-        kBluetoothDeviceDiscoverableNotificationId, false /* by_user */);
-  }
-}
-
-void BluetoothNotificationController::DeviceAdded(BluetoothAdapter* adapter,
-                                                  BluetoothDevice* device) {
-  // Add the new device to the list of currently paired devices; it doesn't
-  // receive a notification since it's assumed it was previously notified.
-  if (device->IsPaired())
-    paired_devices_.insert(device->GetAddress());
-}
-
-void BluetoothNotificationController::DeviceChanged(BluetoothAdapter* adapter,
-                                                    BluetoothDevice* device) {
-  // If the device is already in the list of paired devices, then don't
-  // notify.
-  if (paired_devices_.find(device->GetAddress()) != paired_devices_.end())
-    return;
-
-  // Otherwise if it's marked as paired then it must be newly paired, so
-  // notify the user about that.
-  if (device->IsPaired()) {
-    paired_devices_.insert(device->GetAddress());
-    NotifyPairedDevice(device);
-  }
-}
-
-void BluetoothNotificationController::DeviceRemoved(BluetoothAdapter* adapter,
-                                                    BluetoothDevice* device) {
-  paired_devices_.erase(device->GetAddress());
-}
-
-void BluetoothNotificationController::RequestPinCode(BluetoothDevice* device) {
-  // Cannot provide keyboard entry in a notification; these devices (old car
-  // audio systems for the most part) will need pairing to be initiated from
-  // the Chromebook.
-  device->CancelPairing();
-}
-
-void BluetoothNotificationController::RequestPasskey(BluetoothDevice* device) {
-  // Cannot provide keyboard entry in a notification; fortunately the spec
-  // doesn't allow for this to be an option when we're receiving the pairing
-  // request anyway.
-  device->CancelPairing();
-}
-
-void BluetoothNotificationController::DisplayPinCode(
-    BluetoothDevice* device,
-    const std::string& pincode) {
-  base::string16 message = l10n_util::GetStringFUTF16(
-      IDS_ASH_STATUS_TRAY_BLUETOOTH_DISPLAY_PINCODE,
-      device->GetNameForDisplay(), base::UTF8ToUTF16(pincode));
-
-  NotifyPairing(device, message, false);
-}
-
-void BluetoothNotificationController::DisplayPasskey(BluetoothDevice* device,
-                                                     uint32_t passkey) {
-  base::string16 message = l10n_util::GetStringFUTF16(
-      IDS_ASH_STATUS_TRAY_BLUETOOTH_DISPLAY_PASSKEY,
-      device->GetNameForDisplay(),
-      base::UTF8ToUTF16(base::StringPrintf("%06i", passkey)));
-
-  NotifyPairing(device, message, false);
-}
-
-void BluetoothNotificationController::KeysEntered(BluetoothDevice* device,
-                                                  uint32_t entered) {
-  // Ignored since we don't have CSS in the notification to update.
-}
-
-void BluetoothNotificationController::ConfirmPasskey(BluetoothDevice* device,
-                                                     uint32_t passkey) {
-  base::string16 message = l10n_util::GetStringFUTF16(
-      IDS_ASH_STATUS_TRAY_BLUETOOTH_CONFIRM_PASSKEY,
-      device->GetNameForDisplay(),
-      base::UTF8ToUTF16(base::StringPrintf("%06i", passkey)));
-
-  NotifyPairing(device, message, true);
-}
-
-void BluetoothNotificationController::AuthorizePairing(
-    BluetoothDevice* device) {
-  base::string16 message = l10n_util::GetStringFUTF16(
-      IDS_ASH_STATUS_TRAY_BLUETOOTH_AUTHORIZE_PAIRING,
-      device->GetNameForDisplay());
-
-  NotifyPairing(device, message, true);
-}
-
-void BluetoothNotificationController::OnGetAdapter(
-    scoped_refptr<BluetoothAdapter> adapter) {
-  DCHECK(!adapter_.get());
-  adapter_ = adapter;
-  adapter_->AddObserver(this);
-  adapter_->AddPairingDelegate(this,
-                               BluetoothAdapter::PAIRING_DELEGATE_PRIORITY_LOW);
-
-  // Notify a user if the adapter is already in the discoverable state.
-  if (adapter_->IsDiscoverable())
-    NotifyAdapterDiscoverable();
-
-  // Build a list of the currently paired devices; these don't receive
-  // notifications since it's assumed they were previously notified.
-  BluetoothAdapter::DeviceList devices = adapter_->GetDevices();
-  for (BluetoothAdapter::DeviceList::const_iterator iter = devices.begin();
-       iter != devices.end(); ++iter) {
-    const BluetoothDevice* device = *iter;
-    if (device->IsPaired())
-      paired_devices_.insert(device->GetAddress());
-  }
-}
-
-void BluetoothNotificationController::NotifyAdapterDiscoverable() {
-  message_center::RichNotificationData optional;
-
-  ui::ResourceBundle& bundle = ui::ResourceBundle::GetSharedInstance();
-
-  std::unique_ptr<Notification> notification(new Notification(
-      message_center::NOTIFICATION_TYPE_SIMPLE,
-      kBluetoothDeviceDiscoverableNotificationId, base::string16() /* title */,
-      l10n_util::GetStringFUTF16(IDS_ASH_STATUS_TRAY_BLUETOOTH_DISCOVERABLE,
-                                 base::UTF8ToUTF16(adapter_->GetName()),
-                                 base::UTF8ToUTF16(adapter_->GetAddress())),
-      bundle.GetImageNamed(IDR_AURA_NOTIFICATION_BLUETOOTH),
-      base::string16() /* display source */, GURL(),
-      message_center::NotifierId(message_center::NotifierId::SYSTEM_COMPONENT,
-                                 system_notifier::kNotifierBluetooth),
-      optional, NULL));
-  message_center::MessageCenter::Get()->AddNotification(
-      std::move(notification));
-}
-
-void BluetoothNotificationController::NotifyPairing(
-    BluetoothDevice* device,
-    const base::string16& message,
-    bool with_buttons) {
-  message_center::RichNotificationData optional;
-  if (with_buttons) {
-    optional.buttons.push_back(message_center::ButtonInfo(
-        l10n_util::GetStringUTF16(IDS_ASH_STATUS_TRAY_BLUETOOTH_ACCEPT)));
-    optional.buttons.push_back(message_center::ButtonInfo(
-        l10n_util::GetStringUTF16(IDS_ASH_STATUS_TRAY_BLUETOOTH_REJECT)));
-  }
-
-  ui::ResourceBundle& bundle = ui::ResourceBundle::GetSharedInstance();
-
-  std::unique_ptr<Notification> notification(new Notification(
-      message_center::NOTIFICATION_TYPE_SIMPLE,
-      kBluetoothDevicePairingNotificationId, base::string16() /* title */,
-      message, bundle.GetImageNamed(IDR_AURA_NOTIFICATION_BLUETOOTH),
-      base::string16() /* display source */, GURL(),
-      message_center::NotifierId(message_center::NotifierId::SYSTEM_COMPONENT,
-                                 system_notifier::kNotifierBluetooth),
-      optional, new BluetoothPairingNotificationDelegate(
-                    adapter_, device->GetAddress())));
-  message_center::MessageCenter::Get()->AddNotification(
-      std::move(notification));
-}
-
-void BluetoothNotificationController::NotifyPairedDevice(
-    BluetoothDevice* device) {
-  // Remove the currently presented pairing notification; since only one
-  // pairing request is queued at a time, this is guaranteed to be the device
-  // that just became paired.
-  message_center::MessageCenter::Get()->RemoveNotification(
-      kBluetoothDevicePairingNotificationId, false /* by_user */);
-
-  message_center::RichNotificationData optional;
-
-  ui::ResourceBundle& bundle = ui::ResourceBundle::GetSharedInstance();
-
-  std::unique_ptr<Notification> notification(new Notification(
-      message_center::NOTIFICATION_TYPE_SIMPLE,
-      kBluetoothDevicePairedNotificationId, base::string16() /* title */,
-      l10n_util::GetStringFUTF16(IDS_ASH_STATUS_TRAY_BLUETOOTH_PAIRED,
-                                 device->GetNameForDisplay()),
-      bundle.GetImageNamed(IDR_AURA_NOTIFICATION_BLUETOOTH),
-      base::string16() /* display source */, GURL(),
-      message_center::NotifierId(message_center::NotifierId::SYSTEM_COMPONENT,
-                                 system_notifier::kNotifierBluetooth),
-      optional, NULL));
-  message_center::MessageCenter::Get()->AddNotification(
-      std::move(notification));
-}
-
-}  // namespace ash