зеркало из https://github.com/mozilla/pjs.git
373 строки
8.9 KiB
C++
373 строки
8.9 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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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 IPC External Helper App module.
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*
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* The Initial Developer of the Original Code is
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* Brian Crowder <crowderbt@gmail.com>.
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* Portions created by the Initial Developer are Copyright (C) 2010
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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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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#include "ExternalHelperAppParent.h"
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#include "nsIContent.h"
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#include "nsIDocument.h"
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#include "nsCExternalHandlerService.h"
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#include "nsIExternalHelperAppService.h"
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#include "mozilla/dom/ContentParent.h"
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#include "nsIBrowserDOMWindow.h"
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#include "nsStringStream.h"
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#include "mozilla/unused.h"
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namespace mozilla {
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namespace dom {
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NS_IMPL_ISUPPORTS_INHERITED4(ExternalHelperAppParent,
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nsHashPropertyBag,
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nsIRequest,
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nsIChannel,
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nsIMultiPartChannel,
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nsIResumableChannel)
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ExternalHelperAppParent::ExternalHelperAppParent(
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const IPC::URI& uri,
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const PRInt64& aContentLength)
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: mURI(uri)
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, mPending(PR_FALSE)
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, mLoadFlags(0)
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, mStatus(NS_OK)
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, mContentLength(aContentLength)
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{
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}
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void
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ExternalHelperAppParent::Init(ContentParent *parent,
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const nsCString& aMimeContentType,
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const nsCString& aContentDisposition,
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const PRBool& aForceSave,
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const IPC::URI& aReferrer)
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{
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nsHashPropertyBag::Init();
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nsCOMPtr<nsIExternalHelperAppService> helperAppService =
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do_GetService(NS_EXTERNALHELPERAPPSERVICE_CONTRACTID);
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NS_ASSERTION(helperAppService, "No Helper App Service!");
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SetPropertyAsInt64(NS_CHANNEL_PROP_CONTENT_LENGTH, mContentLength);
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if (aReferrer)
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SetPropertyAsInterface(NS_LITERAL_STRING("docshell.internalReferrer"), aReferrer);
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SetContentDisposition(aContentDisposition);
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helperAppService->DoContent(aMimeContentType, this, nsnull,
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aForceSave, getter_AddRefs(mListener));
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}
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bool
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ExternalHelperAppParent::RecvOnStartRequest(const nsCString& entityID)
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{
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mEntityID = entityID;
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mPending = PR_TRUE;
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mStatus = mListener->OnStartRequest(this, nsnull);
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return true;
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}
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bool
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ExternalHelperAppParent::RecvOnDataAvailable(const nsCString& data,
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const PRUint32& offset,
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const PRUint32& count)
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{
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if (NS_FAILED(mStatus))
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return true;
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NS_ASSERTION(mPending, "must be pending!");
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nsCOMPtr<nsIInputStream> stringStream;
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nsresult rv = NS_NewByteInputStream(getter_AddRefs(stringStream), data.get(), count, NS_ASSIGNMENT_DEPEND);
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NS_ASSERTION(NS_SUCCEEDED(rv), "failed to create dependent string!");
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mStatus = mListener->OnDataAvailable(this, nsnull, stringStream, offset, count);
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return true;
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}
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bool
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ExternalHelperAppParent::RecvOnStopRequest(const nsresult& code)
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{
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mPending = PR_FALSE;
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mListener->OnStopRequest(this, nsnull,
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(NS_SUCCEEDED(code) && NS_FAILED(mStatus)) ? mStatus : code);
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unused << Send__delete__(this);
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return true;
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}
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ExternalHelperAppParent::~ExternalHelperAppParent()
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{
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}
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//
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// nsIRequest implementation...
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//
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NS_IMETHODIMP
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ExternalHelperAppParent::GetName(nsACString& aResult)
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{
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mURI->GetAsciiSpec(aResult);
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return NS_OK;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::IsPending(PRBool *aResult)
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{
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*aResult = mPending;
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return NS_OK;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::GetStatus(nsresult *aResult)
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{
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*aResult = mStatus;
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return NS_OK;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::Cancel(nsresult aStatus)
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{
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mStatus = aStatus;
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unused << SendCancel(aStatus);
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return NS_OK;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::Suspend()
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::Resume()
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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//
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// nsIChannel implementation
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//
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NS_IMETHODIMP
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ExternalHelperAppParent::GetOriginalURI(nsIURI * *aURI)
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{
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NS_IF_ADDREF(*aURI = mURI);
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return NS_OK;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::SetOriginalURI(nsIURI *aURI)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::GetURI(nsIURI **aURI)
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{
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NS_IF_ADDREF(*aURI = mURI);
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return NS_OK;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::Open(nsIInputStream **aResult)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::AsyncOpen(nsIStreamListener *aListener,
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nsISupports *aContext)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::GetLoadFlags(nsLoadFlags *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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ExternalHelperAppParent::SetLoadFlags(nsLoadFlags 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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ExternalHelperAppParent::GetLoadGroup(nsILoadGroup* *aLoadGroup)
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{
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*aLoadGroup = nsnull;
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return NS_OK;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::SetLoadGroup(nsILoadGroup* aLoadGroup)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::GetOwner(nsISupports* *aOwner)
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{
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*aOwner = nsnull;
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return NS_OK;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::SetOwner(nsISupports* aOwner)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::GetNotificationCallbacks(nsIInterfaceRequestor* *aCallbacks)
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{
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*aCallbacks = nsnull;
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return NS_OK;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::SetNotificationCallbacks(nsIInterfaceRequestor* aCallbacks)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::GetSecurityInfo(nsISupports * *aSecurityInfo)
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{
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*aSecurityInfo = nsnull;
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return NS_OK;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::GetContentType(nsACString& aContentType)
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{
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aContentType.Truncate();
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return NS_OK;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::SetContentType(const nsACString& aContentType)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::GetContentCharset(nsACString& aContentCharset)
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{
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aContentCharset.Truncate();
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return NS_OK;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::SetContentCharset(const nsACString& aContentCharset)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::GetContentLength(PRInt32 *aContentLength)
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{
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if (mContentLength > PR_INT32_MAX || mContentLength < 0)
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*aContentLength = -1;
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else
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*aContentLength = (PRInt32)mContentLength;
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return NS_OK;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::SetContentLength(PRInt32 aContentLength)
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{
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mContentLength = aContentLength;
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return NS_OK;
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}
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//
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// nsIResumableChannel implementation
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//
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NS_IMETHODIMP
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ExternalHelperAppParent::ResumeAt(PRUint64 startPos, const nsACString& entityID)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::GetEntityID(nsACString& aEntityID)
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{
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aEntityID = mEntityID;
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return NS_OK;
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}
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//
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// nsIMultiPartChannel implementation
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//
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NS_IMETHODIMP
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ExternalHelperAppParent::GetBaseChannel(nsIChannel* *aChannel)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::GetContentDisposition(nsACString& aContentDisposition)
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{
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aContentDisposition = mContentDisposition;
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return NS_OK;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::SetContentDisposition(const nsACString& aDisposition)
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{
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mContentDisposition = aDisposition;
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return NS_OK;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::GetPartID(PRUint32* aPartID)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::GetIsLastPart(PRBool* aIsLastPart)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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} // namespace dom
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} // namespace mozilla
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