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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_dom_presentation_provider_LegacyMDNSDeviceProvider_h
#define mozilla_dom_presentation_provider_LegacyMDNSDeviceProvider_h
#include "mozilla/RefPtr.h"
#include "nsCOMPtr.h"
#include "nsICancelable.h"
#include "nsIDNSServiceDiscovery.h"
#include "nsIObserver.h"
#include "nsIPresentationDevice.h"
#include "nsIPresentationDeviceProvider.h"
#include "nsIPresentationControlService.h"
#include "nsITimer.h"
#include "nsString.h"
#include "nsTArray.h"
#include "nsWeakPtr.h"
namespace mozilla {
namespace dom {
namespace presentation {
namespace legacy {
class DNSServiceWrappedListener;
class MulticastDNSService;
class LegacyMDNSDeviceProvider final
: public nsIPresentationDeviceProvider
, public nsIDNSServiceDiscoveryListener
, public nsIDNSServiceResolveListener
, public nsIObserver
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIPRESENTATIONDEVICEPROVIDER
NS_DECL_NSIDNSSERVICEDISCOVERYLISTENER
NS_DECL_NSIDNSSERVICERESOLVELISTENER
NS_DECL_NSIOBSERVER
explicit LegacyMDNSDeviceProvider() = default;
nsresult Init();
nsresult Uninit();
private:
enum class DeviceState : uint32_t {
eUnknown,
eActive
};
class Device final : public nsIPresentationDevice
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIPRESENTATIONDEVICE
explicit Device(const nsACString& aId,
const nsACString& aName,
const nsACString& aType,
const nsACString& aAddress,
const uint16_t aPort,
DeviceState aState,
LegacyMDNSDeviceProvider* aProvider)
: mId(aId)
, mName(aName)
, mType(aType)
, mAddress(aAddress)
, mPort(aPort)
, mState(aState)
, mProvider(aProvider)
{
}
const nsCString& Id() const
{
return mId;
}
const nsCString& Address() const
{
return mAddress;
}
uint16_t Port() const
{
return mPort;
}
DeviceState State() const
{
return mState;
}
void ChangeState(DeviceState aState)
{
mState = aState;
}
void Update(const nsACString& aName,
const nsACString& aType,
const nsACString& aAddress,
const uint16_t aPort)
{
mName = aName;
mType = aType;
mAddress = aAddress;
mPort = aPort;
}
private:
virtual ~Device() = default;
nsCString mId;
nsCString mName;
nsCString mType;
nsCString mAddress;
uint16_t mPort;
DeviceState mState;
LegacyMDNSDeviceProvider* mProvider;
};
struct DeviceIdComparator {
bool Equals(const RefPtr<Device>& aA, const RefPtr<Device>& aB) const {
return aA->Id() == aB->Id();
}
};
struct DeviceAddressComparator {
bool Equals(const RefPtr<Device>& aA, const RefPtr<Device>& aB) const {
return aA->Address() == aB->Address();
}
};
virtual ~LegacyMDNSDeviceProvider();
nsresult StopDiscovery(nsresult aReason);
nsresult Connect(Device* aDevice,
nsIPresentationControlChannel** aRetVal);
// device manipulation
nsresult AddDevice(const nsACString& aId,
const nsACString& aServiceName,
const nsACString& aServiceType,
const nsACString& aAddress,
const uint16_t aPort);
nsresult UpdateDevice(const uint32_t aIndex,
const nsACString& aServiceName,
const nsACString& aServiceType,
const nsACString& aAddress,
const uint16_t aPort);
nsresult RemoveDevice(const uint32_t aIndex);
bool FindDeviceById(const nsACString& aId,
uint32_t& aIndex);
bool FindDeviceByAddress(const nsACString& aAddress,
uint32_t& aIndex);
void MarkAllDevicesUnknown();
void ClearUnknownDevices();
void ClearDevices();
// preferences
nsresult OnDiscoveryChanged(bool aEnabled);
nsresult OnDiscoveryTimeoutChanged(uint32_t aTimeoutMs);
nsresult OnServiceNameChanged(const nsACString& aServiceName);
bool mInitialized = false;
nsWeakPtr mDeviceListener;
nsCOMPtr<nsIPresentationControlService> mPresentationService;
nsCOMPtr<nsIDNSServiceDiscovery> mMulticastDNS;
RefPtr<DNSServiceWrappedListener> mWrappedListener;
nsCOMPtr<nsICancelable> mDiscoveryRequest;
nsTArray<RefPtr<Device>> mDevices;
bool mDiscoveryEnabled = false;
bool mIsDiscovering = false;
uint32_t mDiscoveryTimeoutMs;
nsCOMPtr<nsITimer> mDiscoveryTimer;
nsCString mServiceName;
};
} // namespace legacy
} // namespace presentation
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_presentation_provider_LegacyMDNSDeviceProvider_h
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