michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "nsHtml5StreamListener.h"
michael@0: 
michael@0: NS_IMPL_ADDREF(nsHtml5StreamListener)
michael@0: NS_IMPL_RELEASE(nsHtml5StreamListener)
michael@0: 
michael@0: NS_INTERFACE_MAP_BEGIN(nsHtml5StreamListener)
michael@0:   NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIRequestObserver)
michael@0:   NS_INTERFACE_MAP_ENTRY(nsIRequestObserver)
michael@0:   NS_INTERFACE_MAP_ENTRY(nsIStreamListener)
michael@0:   NS_INTERFACE_MAP_ENTRY(nsIThreadRetargetableStreamListener)
michael@0: NS_INTERFACE_MAP_END_THREADSAFE
michael@0: 
michael@0: nsHtml5StreamListener::nsHtml5StreamListener(nsHtml5StreamParser* aDelegate)
michael@0:  : mDelegate(aDelegate)
michael@0: {
michael@0: }
michael@0: 
michael@0: nsHtml5StreamListener::~nsHtml5StreamListener()
michael@0: {
michael@0: }
michael@0: 
michael@0: void
michael@0: nsHtml5StreamListener::DropDelegate()
michael@0: {
michael@0:   MOZ_ASSERT(NS_IsMainThread(),
michael@0:              "Must not call DropDelegate from non-main threads.");
michael@0:   mDelegate = nullptr;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsHtml5StreamListener::CheckListenerChain()
michael@0: {
michael@0:   if (MOZ_UNLIKELY(!mDelegate)) {
michael@0:     return NS_ERROR_NOT_AVAILABLE;
michael@0:   }
michael@0:   return mDelegate->CheckListenerChain();
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsHtml5StreamListener::OnStartRequest(nsIRequest* aRequest,
michael@0:                                       nsISupports* aContext)
michael@0: {
michael@0:   if (MOZ_UNLIKELY(!mDelegate)) {
michael@0:     return NS_ERROR_NOT_AVAILABLE;
michael@0:   }
michael@0:   return mDelegate->OnStartRequest(aRequest, aContext);
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsHtml5StreamListener::OnStopRequest(nsIRequest* aRequest,
michael@0:                                      nsISupports* aContext,
michael@0:                                      nsresult aStatus)
michael@0: {
michael@0:   if (MOZ_UNLIKELY(!mDelegate)) {
michael@0:     return NS_ERROR_NOT_AVAILABLE;
michael@0:   }
michael@0:   return mDelegate->OnStopRequest(aRequest,
michael@0:                                   aContext,
michael@0:                                   aStatus);
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsHtml5StreamListener::OnDataAvailable(nsIRequest* aRequest,
michael@0:                                        nsISupports* aContext,
michael@0:                                        nsIInputStream* aInStream,
michael@0:                                        uint64_t aSourceOffset,
michael@0:                                        uint32_t aLength)
michael@0: {
michael@0:   if (MOZ_UNLIKELY(!mDelegate)) {
michael@0:     return NS_ERROR_NOT_AVAILABLE;
michael@0:   }
michael@0:   return mDelegate->OnDataAvailable(aRequest,
michael@0:                                     aContext,
michael@0:                                     aInStream,
michael@0:                                     aSourceOffset,
michael@0:                                     aLength);
michael@0: }
michael@0: