зеркало из https://github.com/mozilla/pjs.git
692 строки
18 KiB
C++
692 строки
18 KiB
C++
/* ***** 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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* The Mozilla Foundation
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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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* Michal Novotny <michal.novotny@gmail.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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#include "nsWyciwyg.h"
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#include "mozilla/net/NeckoChild.h"
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#include "WyciwygChannelChild.h"
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#include "nsCharsetSource.h"
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#include "nsStringStream.h"
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#include "nsMimeTypes.h"
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#include "nsNetUtil.h"
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#include "nsISerializable.h"
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#include "nsSerializationHelper.h"
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namespace mozilla {
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namespace net {
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NS_IMPL_ISUPPORTS3(WyciwygChannelChild,
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nsIRequest,
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nsIChannel,
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nsIWyciwygChannel);
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WyciwygChannelChild::WyciwygChannelChild()
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: mStatus(NS_OK)
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, mIsPending(false)
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, mCanceled(false)
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, mLoadFlags(LOAD_NORMAL)
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, mContentLength(-1)
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, mCharsetSource(kCharsetUninitialized)
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, mState(WCC_NEW)
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, mIPCOpen(false)
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, mEventQ(this)
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{
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LOG(("Creating WyciwygChannelChild @%x\n", this));
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}
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WyciwygChannelChild::~WyciwygChannelChild()
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{
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LOG(("Destroying WyciwygChannelChild @%x\n", this));
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}
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void
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WyciwygChannelChild::AddIPDLReference()
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{
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NS_ABORT_IF_FALSE(!mIPCOpen, "Attempt to retain more than one IPDL reference");
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mIPCOpen = true;
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AddRef();
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}
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void
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WyciwygChannelChild::ReleaseIPDLReference()
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{
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NS_ABORT_IF_FALSE(mIPCOpen, "Attempt to release nonexistent IPDL reference");
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mIPCOpen = false;
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Release();
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}
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nsresult
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WyciwygChannelChild::Init(nsIURI* uri)
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{
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NS_ENSURE_ARG_POINTER(uri);
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mState = WCC_INIT;
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mURI = uri;
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mOriginalURI = uri;
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SendInit(IPC::URI(mURI));
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return NS_OK;
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}
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//-----------------------------------------------------------------------------
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// WyciwygChannelChild::PWyciwygChannelChild
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//-----------------------------------------------------------------------------
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class WyciwygStartRequestEvent : public ChannelEvent
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{
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public:
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WyciwygStartRequestEvent(WyciwygChannelChild* child,
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const nsresult& statusCode,
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const PRInt32& contentLength,
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const PRInt32& source,
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const nsCString& charset,
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const nsCString& securityInfo)
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: mChild(child), mStatusCode(statusCode), mContentLength(contentLength),
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mSource(source), mCharset(charset), mSecurityInfo(securityInfo) {}
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void Run() { mChild->OnStartRequest(mStatusCode, mContentLength, mSource,
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mCharset, mSecurityInfo); }
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private:
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WyciwygChannelChild* mChild;
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nsresult mStatusCode;
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PRInt32 mContentLength;
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PRInt32 mSource;
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nsCString mCharset;
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nsCString mSecurityInfo;
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};
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bool
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WyciwygChannelChild::RecvOnStartRequest(const nsresult& statusCode,
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const PRInt32& contentLength,
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const PRInt32& source,
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const nsCString& charset,
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const nsCString& securityInfo)
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{
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if (mEventQ.ShouldEnqueue()) {
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mEventQ.Enqueue(new WyciwygStartRequestEvent(this, statusCode,
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contentLength, source,
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charset, securityInfo));
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} else {
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OnStartRequest(statusCode, contentLength, source, charset, securityInfo);
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}
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return true;
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}
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void
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WyciwygChannelChild::OnStartRequest(const nsresult& statusCode,
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const PRInt32& contentLength,
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const PRInt32& source,
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const nsCString& charset,
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const nsCString& securityInfo)
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{
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LOG(("WyciwygChannelChild::RecvOnStartRequest [this=%x]\n", this));
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mState = WCC_ONSTART;
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mStatus = statusCode;
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mContentLength = contentLength;
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mCharsetSource = source;
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mCharset = charset;
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if (!securityInfo.IsEmpty()) {
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NS_DeserializeObject(securityInfo, getter_AddRefs(mSecurityInfo));
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}
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AutoEventEnqueuer ensureSerialDispatch(mEventQ);
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nsresult rv = mListener->OnStartRequest(this, mListenerContext);
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if (NS_FAILED(rv))
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Cancel(rv);
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}
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class WyciwygDataAvailableEvent : public ChannelEvent
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{
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public:
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WyciwygDataAvailableEvent(WyciwygChannelChild* child,
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const nsCString& data,
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const PRUint32& offset)
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: mChild(child), mData(data), mOffset(offset) {}
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void Run() { mChild->OnDataAvailable(mData, mOffset); }
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private:
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WyciwygChannelChild* mChild;
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nsCString mData;
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PRUint32 mOffset;
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};
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bool
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WyciwygChannelChild::RecvOnDataAvailable(const nsCString& data,
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const PRUint32& offset)
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{
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if (mEventQ.ShouldEnqueue()) {
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mEventQ.Enqueue(new WyciwygDataAvailableEvent(this, data, offset));
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} else {
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OnDataAvailable(data, offset);
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}
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return true;
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}
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void
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WyciwygChannelChild::OnDataAvailable(const nsCString& data,
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const PRUint32& offset)
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{
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LOG(("WyciwygChannelChild::RecvOnDataAvailable [this=%x]\n", this));
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if (mCanceled)
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return;
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mState = WCC_ONDATA;
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// NOTE: the OnDataAvailable contract requires the client to read all the data
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// in the inputstream. This code relies on that ('data' will go away after
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// this function). Apparently the previous, non-e10s behavior was to actually
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// support only reading part of the data, allowing later calls to read the
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// rest.
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nsCOMPtr<nsIInputStream> stringStream;
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nsresult rv = NS_NewByteInputStream(getter_AddRefs(stringStream),
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data.get(),
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data.Length(),
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NS_ASSIGNMENT_DEPEND);
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if (NS_FAILED(rv)) {
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Cancel(rv);
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return;
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}
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AutoEventEnqueuer ensureSerialDispatch(mEventQ);
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rv = mListener->OnDataAvailable(this, mListenerContext,
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stringStream, offset, data.Length());
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if (NS_FAILED(rv))
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Cancel(rv);
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if (mProgressSink && NS_SUCCEEDED(rv) && !(mLoadFlags & LOAD_BACKGROUND))
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mProgressSink->OnProgress(this, nsnull, PRUint64(offset + data.Length()),
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PRUint64(mContentLength));
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}
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class WyciwygStopRequestEvent : public ChannelEvent
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{
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public:
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WyciwygStopRequestEvent(WyciwygChannelChild* child,
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const nsresult& statusCode)
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: mChild(child), mStatusCode(statusCode) {}
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void Run() { mChild->OnStopRequest(mStatusCode); }
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private:
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WyciwygChannelChild* mChild;
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nsresult mStatusCode;
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};
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bool
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WyciwygChannelChild::RecvOnStopRequest(const nsresult& statusCode)
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{
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if (mEventQ.ShouldEnqueue()) {
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mEventQ.Enqueue(new WyciwygStopRequestEvent(this, statusCode));
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} else {
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OnStopRequest(statusCode);
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}
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return true;
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}
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void
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WyciwygChannelChild::OnStopRequest(const nsresult& statusCode)
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{
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LOG(("WyciwygChannelChild::RecvOnStopRequest [this=%x status=%u]\n",
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this, statusCode));
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{ // We need to ensure that all IPDL message dispatching occurs
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// before we delete the protocol below
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AutoEventEnqueuer ensureSerialDispatch(mEventQ);
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mState = WCC_ONSTOP;
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mIsPending = false;
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if (!mCanceled)
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mStatus = statusCode;
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mListener->OnStopRequest(this, mListenerContext, statusCode);
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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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mCallbacks = 0;
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mProgressSink = 0;
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}
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if (mIPCOpen)
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PWyciwygChannelChild::Send__delete__(this);
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}
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class WyciwygCancelEvent : public ChannelEvent
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{
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public:
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WyciwygCancelEvent(WyciwygChannelChild* child, const nsresult& status)
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: mChild(child)
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, mStatus(status) {}
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void Run() { mChild->CancelEarly(mStatus); }
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private:
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WyciwygChannelChild* mChild;
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nsresult mStatus;
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};
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bool
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WyciwygChannelChild::RecvCancelEarly(const nsresult& statusCode)
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{
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if (mEventQ.ShouldEnqueue()) {
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mEventQ.Enqueue(new WyciwygCancelEvent(this, statusCode));
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} else {
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CancelEarly(statusCode);
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}
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return true;
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}
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void WyciwygChannelChild::CancelEarly(const nsresult& statusCode)
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{
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LOG(("WyciwygChannelChild::CancelEarly [this=%x]\n", this));
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if (mCanceled)
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return;
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mCanceled = true;
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mStatus = statusCode;
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mIsPending = false;
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if (mLoadGroup)
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mLoadGroup->RemoveRequest(this, nsnull, mStatus);
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if (mListener) {
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mListener->OnStartRequest(this, mListenerContext);
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mListener->OnStopRequest(this, mListenerContext, mStatus);
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}
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mListener = nsnull;
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mListenerContext = nsnull;
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if (mIPCOpen)
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PWyciwygChannelChild::Send__delete__(this);
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}
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//-----------------------------------------------------------------------------
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// nsIRequest
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//-----------------------------------------------------------------------------
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/* readonly attribute AUTF8String name; */
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NS_IMETHODIMP
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WyciwygChannelChild::GetName(nsACString & aName)
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{
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return mURI->GetSpec(aName);
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}
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/* boolean isPending (); */
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NS_IMETHODIMP
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WyciwygChannelChild::IsPending(bool *aIsPending)
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{
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*aIsPending = mIsPending;
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return NS_OK;
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}
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/* readonly attribute nsresult status; */
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NS_IMETHODIMP
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WyciwygChannelChild::GetStatus(nsresult *aStatus)
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{
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*aStatus = mStatus;
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return NS_OK;
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}
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/* void cancel (in nsresult aStatus); */
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NS_IMETHODIMP
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WyciwygChannelChild::Cancel(nsresult aStatus)
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{
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if (mCanceled)
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return NS_OK;
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mCanceled = true;
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mStatus = aStatus;
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if (mIPCOpen)
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SendCancel(aStatus);
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return NS_OK;
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}
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/* void suspend (); */
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NS_IMETHODIMP
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WyciwygChannelChild::Suspend()
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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/* void resume (); */
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NS_IMETHODIMP
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WyciwygChannelChild::Resume()
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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/* attribute nsILoadGroup loadGroup; */
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NS_IMETHODIMP
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WyciwygChannelChild::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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WyciwygChannelChild::SetLoadGroup(nsILoadGroup * aLoadGroup)
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{
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mLoadGroup = aLoadGroup;
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NS_QueryNotificationCallbacks(mCallbacks,
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mLoadGroup,
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NS_GET_IID(nsIProgressEventSink),
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getter_AddRefs(mProgressSink));
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return NS_OK;
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}
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/* attribute nsLoadFlags loadFlags; */
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NS_IMETHODIMP
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WyciwygChannelChild::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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WyciwygChannelChild::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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//-----------------------------------------------------------------------------
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// nsIChannel
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//-----------------------------------------------------------------------------
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/* attribute nsIURI originalURI; */
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NS_IMETHODIMP
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WyciwygChannelChild::GetOriginalURI(nsIURI * *aOriginalURI)
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{
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*aOriginalURI = mOriginalURI;
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NS_ADDREF(*aOriginalURI);
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return NS_OK;
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}
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NS_IMETHODIMP
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WyciwygChannelChild::SetOriginalURI(nsIURI * aOriginalURI)
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{
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NS_ENSURE_TRUE(mState == WCC_INIT, NS_ERROR_UNEXPECTED);
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NS_ENSURE_ARG_POINTER(aOriginalURI);
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mOriginalURI = aOriginalURI;
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return NS_OK;
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}
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/* readonly attribute nsIURI URI; */
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NS_IMETHODIMP
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WyciwygChannelChild::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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/* attribute nsISupports owner; */
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NS_IMETHODIMP
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WyciwygChannelChild::GetOwner(nsISupports * *aOwner)
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{
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NS_PRECONDITION(mOwner, "Must have a principal!");
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NS_ENSURE_STATE(mOwner);
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NS_ADDREF(*aOwner = mOwner);
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return NS_OK;
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}
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NS_IMETHODIMP
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WyciwygChannelChild::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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/* attribute nsIInterfaceRequestor notificationCallbacks; */
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NS_IMETHODIMP
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WyciwygChannelChild::GetNotificationCallbacks(nsIInterfaceRequestor * *aCallbacks)
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{
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*aCallbacks = mCallbacks;
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NS_IF_ADDREF(*aCallbacks);
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return NS_OK;
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}
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NS_IMETHODIMP
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WyciwygChannelChild::SetNotificationCallbacks(nsIInterfaceRequestor * aCallbacks)
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{
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mCallbacks = aCallbacks;
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NS_QueryNotificationCallbacks(mCallbacks,
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mLoadGroup,
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NS_GET_IID(nsIProgressEventSink),
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getter_AddRefs(mProgressSink));
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return NS_OK;
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}
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/* readonly attribute nsISupports securityInfo; */
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NS_IMETHODIMP
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WyciwygChannelChild::GetSecurityInfo(nsISupports * *aSecurityInfo)
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{
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NS_IF_ADDREF(*aSecurityInfo = mSecurityInfo);
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return NS_OK;
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}
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/* attribute ACString contentType; */
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NS_IMETHODIMP
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WyciwygChannelChild::GetContentType(nsACString & aContentType)
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{
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aContentType.AssignLiteral(WYCIWYG_TYPE);
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return NS_OK;
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}
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NS_IMETHODIMP
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WyciwygChannelChild::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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/* attribute ACString contentCharset; */
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NS_IMETHODIMP
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WyciwygChannelChild::GetContentCharset(nsACString & aContentCharset)
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{
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aContentCharset.Assign("UTF-16");
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return NS_OK;
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}
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NS_IMETHODIMP
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WyciwygChannelChild::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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WyciwygChannelChild::GetContentDisposition(PRUint32 *aContentDisposition)
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{
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return NS_ERROR_NOT_AVAILABLE;
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}
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NS_IMETHODIMP
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WyciwygChannelChild::GetContentDispositionFilename(nsAString &aContentDispositionFilename)
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{
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return NS_ERROR_NOT_AVAILABLE;
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}
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NS_IMETHODIMP
|
|
WyciwygChannelChild::GetContentDispositionHeader(nsACString &aContentDispositionHeader)
|
|
{
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
|
|
/* attribute long contentLength; */
|
|
NS_IMETHODIMP
|
|
WyciwygChannelChild::GetContentLength(PRInt32 *aContentLength)
|
|
{
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
NS_IMETHODIMP
|
|
WyciwygChannelChild::SetContentLength(PRInt32 aContentLength)
|
|
{
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
/* nsIInputStream open (); */
|
|
NS_IMETHODIMP
|
|
WyciwygChannelChild::Open(nsIInputStream **_retval)
|
|
{
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
/* void asyncOpen (in nsIStreamListener aListener, in nsISupports aContext); */
|
|
NS_IMETHODIMP
|
|
WyciwygChannelChild::AsyncOpen(nsIStreamListener *aListener, nsISupports *aContext)
|
|
{
|
|
LOG(("WyciwygChannelChild::AsyncOpen [this=%x]\n", this));
|
|
|
|
// The only places creating wyciwyg: channels should be
|
|
// HTMLDocument::OpenCommon and session history. Both should be setting an
|
|
// owner.
|
|
NS_PRECONDITION(mOwner, "Must have a principal");
|
|
NS_ENSURE_STATE(mOwner);
|
|
|
|
NS_ENSURE_ARG_POINTER(aListener);
|
|
NS_ENSURE_TRUE(!mIsPending, NS_ERROR_IN_PROGRESS);
|
|
|
|
mListener = aListener;
|
|
mListenerContext = aContext;
|
|
mIsPending = true;
|
|
|
|
if (mLoadGroup)
|
|
mLoadGroup->AddRequest(this, nsnull);
|
|
|
|
SendAsyncOpen(IPC::URI(mOriginalURI), mLoadFlags);
|
|
|
|
mState = WCC_OPENED;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// nsIWyciwygChannel
|
|
//-----------------------------------------------------------------------------
|
|
|
|
/* void writeToCacheEntry (in AString aData); */
|
|
NS_IMETHODIMP
|
|
WyciwygChannelChild::WriteToCacheEntry(const nsAString & aData)
|
|
{
|
|
NS_ENSURE_TRUE((mState == WCC_INIT) ||
|
|
(mState == WCC_ONWRITE), NS_ERROR_UNEXPECTED);
|
|
|
|
SendWriteToCacheEntry(PromiseFlatString(aData));
|
|
mState = WCC_ONWRITE;
|
|
return NS_OK;
|
|
}
|
|
|
|
/* void closeCacheEntry (in nsresult reason); */
|
|
NS_IMETHODIMP
|
|
WyciwygChannelChild::CloseCacheEntry(nsresult reason)
|
|
{
|
|
NS_ENSURE_TRUE(mState == WCC_ONWRITE, NS_ERROR_UNEXPECTED);
|
|
|
|
SendCloseCacheEntry(reason);
|
|
mState = WCC_ONCLOSED;
|
|
|
|
if (mIPCOpen)
|
|
PWyciwygChannelChild::Send__delete__(this);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
/* void setSecurityInfo (in nsISupports aSecurityInfo); */
|
|
NS_IMETHODIMP
|
|
WyciwygChannelChild::SetSecurityInfo(nsISupports *aSecurityInfo)
|
|
{
|
|
mSecurityInfo = aSecurityInfo;
|
|
|
|
if (mSecurityInfo) {
|
|
nsCOMPtr<nsISerializable> serializable = do_QueryInterface(mSecurityInfo);
|
|
if (serializable) {
|
|
nsCString secInfoStr;
|
|
NS_SerializeToString(serializable, secInfoStr);
|
|
SendSetSecurityInfo(secInfoStr);
|
|
}
|
|
else {
|
|
NS_WARNING("Can't serialize security info");
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
/* void setCharsetAndSource (in long aSource, in ACString aCharset); */
|
|
NS_IMETHODIMP
|
|
WyciwygChannelChild::SetCharsetAndSource(PRInt32 aSource, const nsACString & aCharset)
|
|
{
|
|
// mState == WCC_ONSTART when reading from the channel
|
|
// mState == WCC_INIT when writing to the cache
|
|
NS_ENSURE_TRUE((mState == WCC_ONSTART) ||
|
|
(mState == WCC_INIT), NS_ERROR_UNEXPECTED);
|
|
|
|
mCharsetSource = aSource;
|
|
mCharset = aCharset;
|
|
|
|
// TODO ensure that nsWyciwygChannel in the parent has still the cache entry
|
|
SendSetCharsetAndSource(mCharsetSource, mCharset);
|
|
return NS_OK;
|
|
}
|
|
|
|
/* ACString getCharsetAndSource (out long aSource); */
|
|
NS_IMETHODIMP
|
|
WyciwygChannelChild::GetCharsetAndSource(PRInt32 *aSource NS_OUTPARAM, nsACString & _retval)
|
|
{
|
|
NS_ENSURE_TRUE((mState == WCC_ONSTART) ||
|
|
(mState == WCC_ONDATA) ||
|
|
(mState == WCC_ONSTOP), NS_ERROR_NOT_AVAILABLE);
|
|
|
|
if (mCharsetSource == kCharsetUninitialized)
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
|
|
*aSource = mCharsetSource;
|
|
_retval = mCharset;
|
|
return NS_OK;
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
}} // mozilla::net
|