зеркало из https://github.com/mozilla/gecko-dev.git
148 строки
4.4 KiB
C++
148 строки
4.4 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_bluetoothmanager_h__
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#define mozilla_dom_bluetooth_bluetoothmanager_h__
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#include "BluetoothCommon.h"
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#include "mozilla/Attributes.h"
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#include "mozilla/dom/BluetoothAdapterEvent.h"
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#include "mozilla/dom/BluetoothAttributeEvent.h"
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#include "mozilla/DOMEventTargetHelper.h"
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#include "mozilla/Observer.h"
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#include "nsISupportsImpl.h"
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BEGIN_BLUETOOTH_NAMESPACE
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class BluetoothAdapter;
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class BluetoothValue;
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class BluetoothManager : public DOMEventTargetHelper
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, public BluetoothSignalObserver
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{
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public:
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NS_DECL_ISUPPORTS_INHERITED
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/****************************************************************************
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* Event Handlers
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***************************************************************************/
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IMPL_EVENT_HANDLER(attributechanged);
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IMPL_EVENT_HANDLER(adapteradded);
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IMPL_EVENT_HANDLER(adapterremoved);
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/****************************************************************************
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* Methods (Web API Implementation)
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***************************************************************************/
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/**
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* Return default adapter if it exists, nullptr otherwise. The function is
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* called when applications access property BluetoothManager.defaultAdapter
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*/
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BluetoothAdapter* GetDefaultAdapter();
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/**
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* Return adapters array. The function is called when applications call
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* method BluetoothManager.getAdapters()
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*
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* @param aAdapters [out] Adapters array to return
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*/
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void GetAdapters(nsTArray<nsRefPtr<BluetoothAdapter> >& aAdapters);
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/****************************************************************************
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* Others
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***************************************************************************/
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// Never returns null
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static already_AddRefed<BluetoothManager> Create(nsPIDOMWindow* aWindow);
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static bool CheckPermission(nsPIDOMWindow* aWindow);
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void Notify(const BluetoothSignal& aData); // BluetoothSignalObserver
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nsPIDOMWindow* GetParentObject() const
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{
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return GetOwner();
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}
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virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;
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virtual void DisconnectFromOwner() MOZ_OVERRIDE;
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/**
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* Create a BluetoothAdapter object based on properties array
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* and append it into adapters array.
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*
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* @param aValue [in] Properties array to create BluetoothAdapter object
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*/
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void AppendAdapter(const BluetoothValue& aValue);
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private:
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BluetoothManager(nsPIDOMWindow* aWindow);
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~BluetoothManager();
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/**
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* Start/Stop listening to bluetooth signal.
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*
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* @param aStart [in] Whether to start or stop listening to bluetooth signal
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*/
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void ListenToBluetoothSignal(bool aStart);
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/**
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* Check whether default adapter exists.
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*/
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bool DefaultAdapterExists()
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{
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return (mDefaultAdapterIndex >= 0);
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}
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/**
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* Handle "AdapterAdded" bluetooth signal.
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*
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* @param aValue [in] Properties array of the added adapter
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*/
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void HandleAdapterAdded(const BluetoothValue& aValue);
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/**
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* Handle "AdapterRemoved" bluetooth signal.
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*
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* @param aValue [in] Address of the removed adapter
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*/
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void HandleAdapterRemoved(const BluetoothValue& aValue);
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/**
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* Re-select default adapter from adapters array. The function is called
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* when an adapter is added/removed.
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*/
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void ReselectDefaultAdapter();
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/**
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* Fire BluetoothAdapterEvent to trigger
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* onadapteradded/onadapterremoved event handler.
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*
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* @param aType [in] Event type to fire
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* @param aInit [in] Event initialization value
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*/
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void DispatchAdapterEvent(const nsAString& aType,
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const BluetoothAdapterEventInit& aInit);
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/**
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* Fire BluetoothAttributeEvent to trigger onattributechanged event handler.
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*/
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void DispatchAttributeEvent();
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/****************************************************************************
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* Variables
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***************************************************************************/
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/**
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* The index of default adapter in the adapters array.
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*/
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int mDefaultAdapterIndex;
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/**
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* The adapters array.
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*/
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nsTArray<nsRefPtr<BluetoothAdapter> > mAdapters;
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};
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END_BLUETOOTH_NAMESPACE
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#endif
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