mirror of
https://github.com/kidfromjupiter/nearby.git
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104 lines
3.7 KiB
C++
104 lines
3.7 KiB
C++
// Copyright 2020 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 PLATFORM_V2_IMPL_G3_BLUETOOTH_ADAPTER_H_
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#define PLATFORM_V2_IMPL_G3_BLUETOOTH_ADAPTER_H_
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#include <string>
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#include "platform_v2/api/bluetooth_adapter.h"
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#include "platform_v2/api/bluetooth_classic.h"
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#include "platform_v2/impl/g3/single_thread_executor.h"
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#include "absl/base/thread_annotations.h"
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#include "absl/strings/string_view.h"
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#include "absl/synchronization/mutex.h"
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namespace location {
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namespace nearby {
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namespace g3 {
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// BluetoothDevice and BluetoothAdapter have a mutual dependency.
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class BluetoothAdapter;
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// https://developer.android.com/reference/android/bluetooth/BluetoothDevice.html.
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class BluetoothDevice : public api::BluetoothDevice {
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public:
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~BluetoothDevice() override = default;
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// https://developer.android.com/reference/android/bluetooth/BluetoothDevice.html#getName()
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std::string GetName() const override;
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BluetoothAdapter& GetAdapter() { return adapter_; }
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private:
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// Only BluetoothAdapter may instantiate BluetoothDevice.
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friend class BluetoothAdapter;
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explicit BluetoothDevice(BluetoothAdapter* adapter);
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BluetoothAdapter& adapter_;
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};
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// https://developer.android.com/reference/android/bluetooth/BluetoothAdapter.html
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class BluetoothAdapter : public api::BluetoothAdapter {
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public:
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using Status = api::BluetoothAdapter::Status;
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using ScanMode = api::BluetoothAdapter::ScanMode;
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explicit BluetoothAdapter() = default;
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~BluetoothAdapter() override;
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// Synchronously sets the status of the BluetoothAdapter to 'status', and
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// returns true if the operation was a success.
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bool SetStatus(Status status) override ABSL_LOCKS_EXCLUDED(mutex_);
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// Returns true if the BluetoothAdapter's current status is
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// Status::Value::kEnabled.
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bool IsEnabled() const override ABSL_LOCKS_EXCLUDED(mutex_);
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// https://developer.android.com/reference/android/bluetooth/BluetoothAdapter.html#getScanMode()
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//
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// Returns ScanMode::kUnknown on error.
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ScanMode GetScanMode() const override ABSL_LOCKS_EXCLUDED(mutex_);
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// Synchronously sets the scan mode of the adapter, and returns true if the
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// operation was a success.
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bool SetScanMode(ScanMode mode) override ABSL_LOCKS_EXCLUDED(mutex_);
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// https://developer.android.com/reference/android/bluetooth/BluetoothAdapter.html#getName()
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// Returns an empty string on error
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std::string GetName() const override ABSL_LOCKS_EXCLUDED(mutex_);
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// https://developer.android.com/reference/android/bluetooth/BluetoothAdapter.html#setName(java.lang.String)
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bool SetName(absl::string_view name) override ABSL_LOCKS_EXCLUDED(mutex_);
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BluetoothDevice& GetDevice() { return device_; }
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void SetMedium(api::BluetoothClassicMedium* medium);
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api::BluetoothClassicMedium* GetMedium() { return medium_; }
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private:
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mutable absl::Mutex mutex_;
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BluetoothDevice device_{this};
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api::BluetoothClassicMedium* medium_ = nullptr;
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ScanMode mode_ ABSL_GUARDED_BY(mutex_) = ScanMode::kNone;
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std::string name_ ABSL_GUARDED_BY(mutex_) = "unknown G3 BT device";
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bool enabled_ ABSL_GUARDED_BY(mutex_) = false;
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};
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} // namespace g3
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} // namespace nearby
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} // namespace location
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#endif // PLATFORM_V2_IMPL_G3_BLUETOOTH_ADAPTER_H_
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