The Tor Browser: parser/html/nsHtml5StreamListener.cpp@8bccb770b82d

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

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

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

     5 #include "nsHtml5StreamListener.h"

     7 NS_IMPL_ADDREF(nsHtml5StreamListener)

     8 NS_IMPL_RELEASE(nsHtml5StreamListener)

    10 NS_INTERFACE_MAP_BEGIN(nsHtml5StreamListener)

    11   NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIRequestObserver)

    12   NS_INTERFACE_MAP_ENTRY(nsIRequestObserver)

    13   NS_INTERFACE_MAP_ENTRY(nsIStreamListener)

    14   NS_INTERFACE_MAP_ENTRY(nsIThreadRetargetableStreamListener)

    15 NS_INTERFACE_MAP_END_THREADSAFE

    17 nsHtml5StreamListener::nsHtml5StreamListener(nsHtml5StreamParser* aDelegate)

    18  : mDelegate(aDelegate)

    19 {

    20 }

    22 nsHtml5StreamListener::~nsHtml5StreamListener()

    23 {

    24 }

    26 void

    27 nsHtml5StreamListener::DropDelegate()

    28 {

    29   MOZ_ASSERT(NS_IsMainThread(),

    30              "Must not call DropDelegate from non-main threads.");

    31   mDelegate = nullptr;

    32 }

    34 NS_IMETHODIMP

    35 nsHtml5StreamListener::CheckListenerChain()

    36 {

    37   if (MOZ_UNLIKELY(!mDelegate)) {

    38     return NS_ERROR_NOT_AVAILABLE;

    39   }

    40   return mDelegate->CheckListenerChain();

    41 }

    43 NS_IMETHODIMP

    44 nsHtml5StreamListener::OnStartRequest(nsIRequest* aRequest,

    45                                       nsISupports* aContext)

    46 {

    47   if (MOZ_UNLIKELY(!mDelegate)) {

    48     return NS_ERROR_NOT_AVAILABLE;

    49   }

    50   return mDelegate->OnStartRequest(aRequest, aContext);

    51 }

    53 NS_IMETHODIMP

    54 nsHtml5StreamListener::OnStopRequest(nsIRequest* aRequest,

    55                                      nsISupports* aContext,

    56                                      nsresult aStatus)

    57 {

    58   if (MOZ_UNLIKELY(!mDelegate)) {

    59     return NS_ERROR_NOT_AVAILABLE;

    60   }

    61   return mDelegate->OnStopRequest(aRequest,

    62                                   aContext,

    63                                   aStatus);

    64 }

    66 NS_IMETHODIMP

    67 nsHtml5StreamListener::OnDataAvailable(nsIRequest* aRequest,

    68                                        nsISupports* aContext,

    69                                        nsIInputStream* aInStream,

    70                                        uint64_t aSourceOffset,

    71                                        uint32_t aLength)

    72 {

    73   if (MOZ_UNLIKELY(!mDelegate)) {

    74     return NS_ERROR_NOT_AVAILABLE;

    75   }

    76   return mDelegate->OnDataAvailable(aRequest,

    77                                     aContext,

    78                                     aInStream,

    79                                     aSourceOffset,

    80                                     aLength);

    81 }

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