mirror of
https://github.com/mozilla/gecko-dev.git
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436 lines
11 KiB
C++
436 lines
11 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Brian Ryner.
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* Portions created by the Initial Developer are Copyright (C) 2000
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Brian Ryner <bryner@brianryner.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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// DateTime implementation
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#include "nsDateTimeChannel.h"
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#include "nsIServiceManager.h"
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#include "nsILoadGroup.h"
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#include "nsIInterfaceRequestor.h"
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#include "nsIInterfaceRequestorUtils.h"
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#include "nsXPIDLString.h"
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#include "nsISocketTransportService.h"
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#include "nsIStringStream.h"
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#include "nsMimeTypes.h"
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#include "nsIStreamConverterService.h"
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#include "nsITXTToHTMLConv.h"
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#include "nsIProgressEventSink.h"
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#include "nsEventQueueUtils.h"
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#include "nsNetUtil.h"
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#include "nsCRT.h"
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static NS_DEFINE_CID(kSocketTransportServiceCID, NS_SOCKETTRANSPORTSERVICE_CID);
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static NS_DEFINE_CID(kStreamConverterServiceCID, NS_STREAMCONVERTERSERVICE_CID);
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// nsDateTimeChannel methods
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nsDateTimeChannel::nsDateTimeChannel()
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: mLoadFlags(LOAD_NORMAL)
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, mStatus(NS_OK)
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, mPort(-1)
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{
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}
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nsDateTimeChannel::~nsDateTimeChannel()
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{
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}
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NS_IMPL_ISUPPORTS4(nsDateTimeChannel,
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nsIChannel,
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nsIRequest,
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nsIStreamListener,
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nsIRequestObserver)
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nsresult
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nsDateTimeChannel::Init(nsIURI *uri, nsIProxyInfo *proxyInfo)
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{
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nsresult rv;
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NS_ASSERTION(uri, "no uri");
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mURI = uri;
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mProxyInfo = proxyInfo;
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rv = mURI->GetPort(&mPort);
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if (NS_FAILED(rv) || mPort < 1)
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mPort = DATETIME_PORT;
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rv = mURI->GetPath(mHost);
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if (NS_FAILED(rv)) return rv;
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if (mHost.IsEmpty())
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return NS_ERROR_MALFORMED_URI;
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mContentType.AssignLiteral(TEXT_HTML); // expected content-type
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return NS_OK;
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}
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////////////////////////////////////////////////////////////////////////////////
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// nsIRequest methods:
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NS_IMETHODIMP
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nsDateTimeChannel::GetName(nsACString &result)
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{
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return mURI->GetSpec(result);
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}
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NS_IMETHODIMP
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nsDateTimeChannel::IsPending(PRBool *result)
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{
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*result = (mPump != nsnull);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDateTimeChannel::GetStatus(nsresult *status)
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{
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if (NS_SUCCEEDED(mStatus) && mPump)
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mPump->GetStatus(status);
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else
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*status = mStatus;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDateTimeChannel::Cancel(nsresult status)
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{
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NS_ASSERTION(NS_FAILED(status), "shouldn't cancel with a success code");
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mStatus = status;
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if (mPump)
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mPump->Cancel(status);
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return NS_ERROR_UNEXPECTED;
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}
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NS_IMETHODIMP
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nsDateTimeChannel::Suspend()
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{
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if (mPump)
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return mPump->Suspend();
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return NS_ERROR_UNEXPECTED;
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}
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NS_IMETHODIMP
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nsDateTimeChannel::Resume()
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{
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if (mPump)
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return mPump->Resume();
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return NS_ERROR_UNEXPECTED;
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}
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////////////////////////////////////////////////////////////////////////////////
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// nsIChannel methods:
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NS_IMETHODIMP
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nsDateTimeChannel::GetOriginalURI(nsIURI* *aURI)
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{
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*aURI = mOriginalURI ? mOriginalURI : mURI;
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NS_ADDREF(*aURI);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDateTimeChannel::SetOriginalURI(nsIURI* aURI)
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{
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mOriginalURI = aURI;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDateTimeChannel::GetURI(nsIURI* *aURI)
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{
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*aURI = mURI;
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NS_IF_ADDREF(*aURI);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDateTimeChannel::Open(nsIInputStream **_retval)
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{
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return NS_ImplementChannelOpen(this, _retval);
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}
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NS_IMETHODIMP
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nsDateTimeChannel::AsyncOpen(nsIStreamListener *aListener, nsISupports *ctxt)
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{
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nsresult rv = NS_CheckPortSafety(mPort, "datetime");
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if (NS_FAILED(rv)) return rv;
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nsCOMPtr<nsIEventQueue> eventQ;
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rv = NS_GetCurrentEventQ(getter_AddRefs(eventQ));
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if (NS_FAILED(rv)) return rv;
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//
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// create transport
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//
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nsCOMPtr<nsISocketTransportService> sts =
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do_GetService(kSocketTransportServiceCID, &rv);
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if (NS_FAILED(rv)) return rv;
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rv = sts->CreateTransport(nsnull, 0, mHost, mPort, mProxyInfo,
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getter_AddRefs(mTransport));
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if (NS_FAILED(rv)) return rv;
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// not fatal if this fails
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mTransport->SetEventSink(this, eventQ);
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//
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// create TXT to HTML stream converter
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//
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nsCOMPtr<nsIStreamConverterService> scs =
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do_GetService(kStreamConverterServiceCID, &rv);
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if (NS_FAILED(rv)) return rv;
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nsCOMPtr<nsIStreamListener> convListener;
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rv = scs->AsyncConvertData("text/plain", "text/html", this, nsnull,
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getter_AddRefs(convListener));
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if (NS_FAILED(rv)) return rv;
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nsCOMPtr<nsITXTToHTMLConv> conv = do_QueryInterface(convListener);
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if (conv) {
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nsCAutoString userHost;
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rv = mURI->GetPath(userHost);
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nsAutoString title;
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title.AppendLiteral("DateTime according to ");
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AppendUTF8toUTF16(mHost, title);
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conv->SetTitle(title.get());
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conv->PreFormatHTML(PR_TRUE);
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}
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//
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// open input stream, and create input stream pump...
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//
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nsCOMPtr<nsIInputStream> sockIn;
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rv = mTransport->OpenInputStream(0, 0, 0, getter_AddRefs(sockIn));
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if (NS_FAILED(rv)) return rv;
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rv = NS_NewInputStreamPump(getter_AddRefs(mPump), sockIn);
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if (NS_FAILED(rv)) return rv;
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rv = mPump->AsyncRead(convListener, nsnull);
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if (NS_FAILED(rv)) return rv;
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if (mLoadGroup)
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mLoadGroup->AddRequest(this, nsnull);
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mListener = aListener;
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mListenerContext = ctxt;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDateTimeChannel::GetLoadFlags(PRUint32 *aLoadFlags)
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{
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*aLoadFlags = mLoadFlags;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDateTimeChannel::SetLoadFlags(PRUint32 aLoadFlags)
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{
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mLoadFlags = aLoadFlags;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDateTimeChannel::GetContentType(nsACString &aContentType)
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{
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aContentType = mContentType;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDateTimeChannel::SetContentType(const nsACString &aContentType)
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{
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mContentType = aContentType;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDateTimeChannel::GetContentCharset(nsACString &aContentCharset)
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{
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aContentCharset = mContentCharset;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDateTimeChannel::SetContentCharset(const nsACString &aContentCharset)
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{
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mContentCharset = aContentCharset;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDateTimeChannel::GetContentLength(PRInt32 *aContentLength)
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{
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*aContentLength = -1;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDateTimeChannel::SetContentLength(PRInt32 aContentLength)
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{
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// silently ignore this...
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDateTimeChannel::GetLoadGroup(nsILoadGroup* *aLoadGroup)
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{
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*aLoadGroup = mLoadGroup;
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NS_IF_ADDREF(*aLoadGroup);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDateTimeChannel::SetLoadGroup(nsILoadGroup* aLoadGroup)
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{
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mLoadGroup = aLoadGroup;
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mProgressSink = nsnull;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDateTimeChannel::GetOwner(nsISupports* *aOwner)
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{
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*aOwner = mOwner.get();
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NS_IF_ADDREF(*aOwner);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDateTimeChannel::SetOwner(nsISupports* aOwner)
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{
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mOwner = aOwner;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDateTimeChannel::GetNotificationCallbacks(nsIInterfaceRequestor* *aNotificationCallbacks)
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{
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*aNotificationCallbacks = mCallbacks.get();
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NS_IF_ADDREF(*aNotificationCallbacks);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDateTimeChannel::SetNotificationCallbacks(nsIInterfaceRequestor* aNotificationCallbacks)
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{
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mCallbacks = aNotificationCallbacks;
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mProgressSink = nsnull;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDateTimeChannel::GetSecurityInfo(nsISupports **aSecurityInfo)
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{
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if (mTransport)
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return mTransport->GetSecurityInfo(aSecurityInfo);
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*aSecurityInfo = nsnull;
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return NS_OK;
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}
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//-----------------------------------------------------------------------------
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// nsIRequestObserver methods
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//-----------------------------------------------------------------------------
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NS_IMETHODIMP
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nsDateTimeChannel::OnStartRequest(nsIRequest *req, nsISupports *ctx)
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{
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return mListener->OnStartRequest(this, mListenerContext);
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}
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NS_IMETHODIMP
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nsDateTimeChannel::OnStopRequest(nsIRequest *req, nsISupports *ctx, nsresult status)
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{
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if (NS_SUCCEEDED(mStatus))
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mStatus = status;
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mListener->OnStopRequest(this, mListenerContext, mStatus);
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mListener = 0;
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mListenerContext = 0;
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if (mLoadGroup)
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mLoadGroup->RemoveRequest(this, nsnull, mStatus);
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mPump = 0;
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mTransport = 0;
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// Drop notification callbacks to prevent cycles.
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mCallbacks = 0;
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mProgressSink = 0;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDateTimeChannel::OnDataAvailable(nsIRequest *req, nsISupports *ctx,
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nsIInputStream *stream, PRUint32 offset,
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PRUint32 count)
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{
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return mListener->OnDataAvailable(this, mListenerContext, stream, offset, count);
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}
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//-----------------------------------------------------------------------------
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// nsITransportEventSink methods
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//-----------------------------------------------------------------------------
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NS_IMETHODIMP
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nsDateTimeChannel::OnTransportStatus(nsITransport *trans, nsresult status,
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PRUint64 progress, PRUint64 progressMax)
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{
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if (!mProgressSink)
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NS_QueryNotificationCallbacks(mCallbacks, mLoadGroup, mProgressSink);
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// suppress status notification if channel is no longer pending!
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if (mProgressSink && NS_SUCCEEDED(mStatus) && mPump && !(mLoadFlags & LOAD_BACKGROUND)) {
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NS_ConvertUTF8toUTF16 host(mHost);
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mProgressSink->OnStatus(this, nsnull, status, host.get());
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if (status == nsISocketTransport::STATUS_RECEIVING_FROM ||
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status == nsISocketTransport::STATUS_SENDING_TO) {
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mProgressSink->OnProgress(this, nsnull, progress, progressMax);
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}
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}
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return NS_OK;
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}
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