The Tor Browser: dom/base/MessagePortList.h@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* vim:set ts=2 sw=2 sts=2 et cindent: */

     3 /* This Source Code Form is subject to the terms of the Mozilla Public

     4  * License, v. 2.0. If a copy of the MPL was not distributed with this

     5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     7 #ifndef mozilla_dom_MessagePortList_h

     8 #define mozilla_dom_MessagePortList_h

    10 #include "mozilla/Attributes.h"

    11 #include "mozilla/ErrorResult.h"

    12 #include "nsCycleCollectionParticipant.h"

    13 #include "mozilla/dom/MessagePort.h"

    14 #include "nsWrapperCache.h"

    15 #include "nsAutoPtr.h"

    16 #include "nsTArray.h"

    18 namespace mozilla {

    19 namespace dom {

    21 class MessagePortList MOZ_FINAL : public nsISupports

    22                                 , public nsWrapperCache

    23 {

    24 public:

    25   NS_DECL_CYCLE_COLLECTING_ISUPPORTS

    26   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(MessagePortList)

    28 public:

    29   MessagePortList(nsISupports* aOwner, nsTArray<nsRefPtr<MessagePortBase>>& aPorts)

    30     : mOwner(aOwner)

    31     , mPorts(aPorts)

    32   {

    33     SetIsDOMBinding();

    34   }

    36   nsISupports*

    37   GetParentObject() const

    38   {

    39     return mOwner;

    40   }

    42   virtual JSObject*

    43   WrapObject(JSContext* aCx) MOZ_OVERRIDE;

    45   uint32_t

    46   Length() const

    47   {

    48     return mPorts.Length();

    49   }

    51   MessagePortBase*

    52   Item(uint32_t aIndex)

    53   {

    54     return mPorts.SafeElementAt(aIndex);

    55   }

    57   MessagePortBase*

    58   IndexedGetter(uint32_t aIndex, bool &aFound)

    59   {

    60     aFound = aIndex < mPorts.Length();

    61     if (!aFound) {

    62       return nullptr;

    63     }

    64     return mPorts[aIndex];

    65   }

    67 public:

    68   nsCOMPtr<nsISupports> mOwner;

    69   nsTArray<nsRefPtr<MessagePortBase>> mPorts;

    70 };

    72 } // namespace dom

    73 } // namespace mozilla

    75 #endif // mozilla_dom_MessagePortList_h

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