зеркало из https://github.com/mozilla/gecko-dev.git
138 строки
4.9 KiB
C++
138 строки
4.9 KiB
C++
/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_bluetooth_bluetoothprofilecontroller_h__
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#define mozilla_dom_bluetooth_bluetoothprofilecontroller_h__
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#include "BluetoothUuid.h"
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#include "nsAutoPtr.h"
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#include "mozilla/RefPtr.h"
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BEGIN_BLUETOOTH_NAMESPACE
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/*
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* Class of Device(CoD): 32-bit unsigned integer
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*
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* 31 24 23 13 12 8 7 2 1 0
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* | | Major | Major | Minor | |
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* | | service | device | device | |
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* | | class | class | class | |
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* | |<- 11 ->|<- 5 ->|<- 6 ->| |
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*
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* https://www.bluetooth.org/en-us/specification/assigned-numbers/baseband
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*/
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// Bit 23 ~ Bit 13: Major service class
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#define GET_MAJOR_SERVICE_CLASS(cod) ((cod & 0xffe000) >> 13)
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// Bit 12 ~ Bit 8: Major device class
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#define GET_MAJOR_DEVICE_CLASS(cod) ((cod & 0x1f00) >> 8)
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// Bit 7 ~ Bit 2: Minor device class
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#define GET_MINOR_DEVICE_CLASS(cod) ((cod & 0xfc) >> 2)
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// Audio: Major service class = 0x100 (Bit 21 is set)
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#define HAS_AUDIO(cod) (cod & 0x200000)
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// Rendering: Major service class = 0x20 (Bit 18 is set)
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#define HAS_RENDERING(cod) (cod & 0x40000)
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// Peripheral: Major device class = 0x5
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#define IS_PERIPHERAL(cod) (GET_MAJOR_DEVICE_CLASS(cod) == 0x5)
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// Remote Control: sub-field of minor device class, Bit 5 ~ Bit 2 = 0x3
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#define IS_REMOTE_CONTROL(cod) ((GET_MINOR_DEVICE_CLASS(cod) & 0xf) == 0x3)
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// Keyboard: sub-field of minor device class (Bit 6)
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#define IS_KEYBOARD(cod) ((GET_MINOR_DEVICE_CLASS(cod) & 0x10) >> 4)
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// Pointing device: sub-field of minor device class (Bit 7)
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#define IS_POINTING_DEVICE(cod) ((GET_MINOR_DEVICE_CLASS(cod) & 0x20) >> 5)
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class BluetoothProfileManagerBase;
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class BluetoothReplyRunnable;
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typedef void (*BluetoothProfileControllerCallback)();
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class BluetoothProfileController : public RefCounted<BluetoothProfileController>
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{
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public:
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MOZ_DECLARE_REFCOUNTED_TYPENAME(BluetoothProfileController)
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/**
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* @param aConnect: If it's a connect request, the value should be set
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* to true. For disconnect request, set it to false.
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* @param aDeviceAddress: The address of remote device.
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* @param aRunnable: Once the controller has done, the runnable will be
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* replied. When all connection/disconnection attemps
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* have failed, an error is fired. In other words,
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* reply a success if any attemp successes.
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* @param aCallback: The callback will be invoked after the runnable is
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* replied.
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* @param aServiceUuid: Connect/Disconnect to the specified profile. Please
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* see enum BluetoothServiceClass for valid value.
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* @param aCod: If aServiceUuid is not assigned, i.e. the value is
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* 0, the controller connect multiple profiles based on
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* aCod or disconnect all connected profiles.
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*/
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BluetoothProfileController(bool aConnect,
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const nsAString& aDeviceAddress,
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BluetoothReplyRunnable* aRunnable,
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BluetoothProfileControllerCallback aCallback,
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uint16_t aServiceUuid,
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uint32_t aCod = 0);
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~BluetoothProfileController();
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/**
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* The controller starts connecting/disconnecting profiles one by one
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* according to the order in array mProfiles.
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*/
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void Start();
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/**
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* It is invoked after a profile has tried to establish the connection.
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* An error string is returned when it fails.
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*/
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void OnConnect(const nsAString& aErrorStr);
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/**
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* It is invoked after a profile has tried to drop the connection.
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* An error string is returned when it fails.
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*/
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void OnDisconnect(const nsAString& aErrorStr);
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private:
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// Setup data member mProfiles
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void SetupProfiles(bool aAssignServiceClass);
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// Add profiles into array with/without checking connection status
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void AddProfile(BluetoothProfileManagerBase* aProfile,
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bool aCheckConnected = false);
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// Add specified profile into array
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void AddProfileWithServiceClass(BluetoothServiceClass aClass);
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// Connect/Disconnect next profile in the array
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void Next();
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const bool mConnect;
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nsString mDeviceAddress;
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nsRefPtr<BluetoothReplyRunnable> mRunnable;
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BluetoothProfileControllerCallback mCallback;
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bool mSuccess;
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int8_t mProfilesIndex;
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nsTArray<BluetoothProfileManagerBase*> mProfiles;
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// Either CoD or BluetoothServiceClass is assigned.
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union {
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uint32_t cod;
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BluetoothServiceClass service;
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} mTarget;
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};
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END_BLUETOOTH_NAMESPACE
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#endif
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