gecko-dev/image/decoders/icon/nsIconProtocolHandler.cpp

117 строки
2.8 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* 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 "nsIconChannel.h"
#include "nsIconURI.h"
#include "nsIconProtocolHandler.h"
#include "nsIURL.h"
#include "nsCRT.h"
#include "nsCOMPtr.h"
#include "nsIComponentManager.h"
#include "nsIServiceManager.h"
#include "nsNetCID.h"
///////////////////////////////////////////////////////////////////////////////
nsIconProtocolHandler::nsIconProtocolHandler()
{ }
nsIconProtocolHandler::~nsIconProtocolHandler()
{ }
NS_IMPL_ISUPPORTS(nsIconProtocolHandler, nsIProtocolHandler,
nsISupportsWeakReference)
///////////////////////////////////////////////////////////////////////////////
// nsIProtocolHandler methods:
NS_IMETHODIMP
nsIconProtocolHandler::GetScheme(nsACString& result)
{
result = "moz-icon";
return NS_OK;
}
NS_IMETHODIMP
nsIconProtocolHandler::GetDefaultPort(int32_t* result)
{
*result = 0;
return NS_OK;
}
NS_IMETHODIMP
nsIconProtocolHandler::AllowPort(int32_t port,
const char* scheme,
bool* _retval)
{
// don't override anything.
*_retval = false;
return NS_OK;
}
NS_IMETHODIMP
nsIconProtocolHandler::GetProtocolFlags(uint32_t* result)
{
*result = URI_NORELATIVE | URI_NOAUTH | URI_IS_UI_RESOURCE |
URI_IS_LOCAL_RESOURCE;
return NS_OK;
}
NS_IMETHODIMP
nsIconProtocolHandler::NewURI(const nsACString& aSpec,
const char* aOriginCharset, // ignored
nsIURI* aBaseURI,
nsIURI** result)
{
nsCOMPtr<nsIURI> uri = new nsMozIconURI();
if (!uri) return NS_ERROR_OUT_OF_MEMORY;
nsresult rv = uri->SetSpec(aSpec);
if (NS_FAILED(rv)) return rv;
NS_ADDREF(*result = uri);
return NS_OK;
}
NS_IMETHODIMP
nsIconProtocolHandler::NewChannel2(nsIURI* url,
nsILoadInfo* aLoadInfo,
nsIChannel** result)
{
NS_ENSURE_ARG_POINTER(url);
nsIconChannel* channel = new nsIconChannel;
if (!channel) {
return NS_ERROR_OUT_OF_MEMORY;
}
NS_ADDREF(channel);
nsresult rv = channel->Init(url);
if (NS_FAILED(rv)) {
NS_RELEASE(channel);
return rv;
}
// set the loadInfo on the new channel
rv = channel->SetLoadInfo(aLoadInfo);
if (NS_FAILED(rv)) {
NS_RELEASE(channel);
return rv;
}
*result = channel;
return NS_OK;
}
NS_IMETHODIMP
nsIconProtocolHandler::NewChannel(nsIURI* url, nsIChannel** result)
{
return NewChannel2(url, nullptr, result);
}
////////////////////////////////////////////////////////////////////////////////