1 files changed, 191 insertions, 0 deletions
diff --git a/dom/presentation/provider/LegacyMDNSDeviceProvider.h b/dom/presentation/provider/LegacyMDNSDeviceProvider.h
new file mode 100644
index 000000000..33ba877d3
--- /dev/null
+++ b/dom/presentation/provider/LegacyMDNSDeviceProvider.h
@@ -0,0 +1,191 @@
+/* -*- 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