gecko/parser/html/nsHtml5StreamListener.cpp

83 lines
2.4 KiB
C++

/* 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/. */
#include "nsHtml5StreamListener.h"
NS_IMPL_ADDREF(nsHtml5StreamListener)
NS_IMPL_RELEASE(nsHtml5StreamListener)
NS_INTERFACE_MAP_BEGIN(nsHtml5StreamListener)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIRequestObserver)
NS_INTERFACE_MAP_ENTRY(nsIRequestObserver)
NS_INTERFACE_MAP_ENTRY(nsIStreamListener)
NS_INTERFACE_MAP_ENTRY(nsIThreadRetargetableStreamListener)
NS_INTERFACE_MAP_END_THREADSAFE
nsHtml5StreamListener::nsHtml5StreamListener(nsHtml5StreamParser* aDelegate)
: mDelegate(aDelegate)
{
}
nsHtml5StreamListener::~nsHtml5StreamListener()
{
}
void
nsHtml5StreamListener::DropDelegate()
{
MOZ_ASSERT(NS_IsMainThread(),
"Must not call DropDelegate from non-main threads.");
mDelegate = nullptr;
}
NS_IMETHODIMP
nsHtml5StreamListener::CheckListenerChain()
{
if (MOZ_UNLIKELY(!mDelegate)) {
return NS_ERROR_NOT_AVAILABLE;
}
return mDelegate->CheckListenerChain();
}
NS_IMETHODIMP
nsHtml5StreamListener::OnStartRequest(nsIRequest* aRequest,
nsISupports* aContext)
{
if (MOZ_UNLIKELY(!mDelegate)) {
return NS_ERROR_NOT_AVAILABLE;
}
return mDelegate->OnStartRequest(aRequest, aContext);
}
NS_IMETHODIMP
nsHtml5StreamListener::OnStopRequest(nsIRequest* aRequest,
nsISupports* aContext,
nsresult aStatus)
{
if (MOZ_UNLIKELY(!mDelegate)) {
return NS_ERROR_NOT_AVAILABLE;
}
return mDelegate->OnStopRequest(aRequest,
aContext,
aStatus);
}
NS_IMETHODIMP
nsHtml5StreamListener::OnDataAvailable(nsIRequest* aRequest,
nsISupports* aContext,
nsIInputStream* aInStream,
uint64_t aSourceOffset,
uint32_t aLength)
{
if (MOZ_UNLIKELY(!mDelegate)) {
return NS_ERROR_NOT_AVAILABLE;
}
return mDelegate->OnDataAvailable(aRequest,
aContext,
aInStream,
aSourceOffset,
aLength);
}