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72 lines
2.6 KiB
C++
72 lines
2.6 KiB
C++
// Copyright 2023 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef THIRD_PARTY_NEARBY_FASTPAIR_INTERNAL_MEDIUMS_BLUETOOTH_CLASSIC_H_
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#define THIRD_PARTY_NEARBY_FASTPAIR_INTERNAL_MEDIUMS_BLUETOOTH_CLASSIC_H_
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#include <memory>
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#include "absl/strings/string_view.h"
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#include "fastpair/internal/mediums/bluetooth_radio.h"
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#include "internal/platform/bluetooth_classic.h"
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#include "internal/platform/mutex.h"
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namespace nearby {
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namespace fastpair {
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class BluetoothClassic {
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public:
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explicit BluetoothClassic(BluetoothRadio& bluetooth_radio);
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~BluetoothClassic() = default;
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// Returns true, if BT communications are supported by a platform.
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bool IsAvailable() const ABSL_LOCKS_EXCLUDED(mutex_);
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void AddObserver(BluetoothClassicMedium::Observer* observer);
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void RemoveObserver(BluetoothClassicMedium::Observer* observer);
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// Enables BT discovery mode to observer any discoverable device in range.
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// Returns true, if discovery mode was enabled, false otherwise.
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bool StartDiscovery() ABSL_LOCKS_EXCLUDED(mutex_);
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// Disables BT discovery mode.
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// Returns true, if discovery mode was previously enabled, false otherwise.
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bool StopDiscovery() ABSL_LOCKS_EXCLUDED(mutex_);
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// Returns a new BluetoothPairing instance to handle the pairing process
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// with the remote device.
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std::unique_ptr<BluetoothPairing> CreatePairing(
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absl::string_view public_address);
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BluetoothClassicMedium& GetMedium() ABSL_LOCKS_EXCLUDED(mutex_);
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private:
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// Same as IsAvailable(), but must be called with mutex_ held.
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bool IsAvailableLocked() const ABSL_EXCLUSIVE_LOCKS_REQUIRED(mutex_);
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// Returns true if device is currently in discovery mode.
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bool IsDiscovering() const ABSL_EXCLUSIVE_LOCKS_REQUIRED(mutex_);
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mutable Mutex mutex_;
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BluetoothRadio& radio_ ABSL_GUARDED_BY(mutex_);
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BluetoothAdapter& adapter_ ABSL_GUARDED_BY(mutex_){
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radio_.GetBluetoothAdapter()};
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BluetoothClassicMedium medium_ ABSL_GUARDED_BY(mutex_){adapter_};
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bool is_scanning ABSL_GUARDED_BY(mutex_) = false;
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};
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} // namespace fastpair
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} // namespace nearby
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#endif // THIRD_PARTY_NEARBY_FASTPAIR_INTERNAL_MEDIUMS_BLUETOOTH_CLASSIC_H_
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