gecko-dev/dom/plugins/BrowserStreamChild.cpp

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4.7 KiB
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/* -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 8 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Plugin App.
*
* The Initial Developer of the Original Code is
* Benjamin Smedberg <benjamin@smedbergs.us>
* Portions created by the Initial Developer are Copyright (C) 2009
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "BrowserStreamChild.h"
#include "PluginInstanceChild.h"
namespace mozilla {
namespace plugins {
BrowserStreamChild::BrowserStreamChild(PluginInstanceChild* instance,
const nsCString& url,
const uint32_t& length,
const uint32_t& lastmodified,
const nsCString& headers,
const nsCString& mimeType,
const bool& seekable,
NPError* rv,
uint16_t* stype)
: mInstance(instance)
, mClosed(false)
, mURL(url)
, mHeaders(headers)
{
memset(&mStream, 0, sizeof(mStream));
mStream.ndata = static_cast<AStream*>(this);
if (!mURL.IsEmpty())
mStream.url = mURL.get();
mStream.end = length;
mStream.lastmodified = lastmodified;
if (!mHeaders.IsEmpty())
mStream.headers = mHeaders.get();
*rv = mInstance->mPluginIface->newstream(&mInstance->mData,
const_cast<char*>(mimeType.get()),
&mStream, seekable, stype);
if (*rv != NPERR_NO_ERROR)
mClosed = true;
}
bool
BrowserStreamChild::AnswerNPP_WriteReady(const int32_t& newlength,
int32_t *size)
{
if (mClosed) {
*size = 0;
return true;
}
mStream.end = newlength;
*size = mInstance->mPluginIface->writeready(&mInstance->mData, &mStream);
return true;
}
bool
BrowserStreamChild::AnswerNPP_Write(const int32_t& offset,
const Buffer& data,
int32_t* consumed)
{
if (mClosed) {
*consumed = -1;
return true;
}
*consumed = mInstance->mPluginIface->write(&mInstance->mData, &mStream,
offset, data.Length(),
const_cast<char*>(data.get()));
if (*consumed < 0)
mClosed = true;
return true;
}
bool
BrowserStreamChild::AnswerNPP_StreamAsFile(const nsCString& fname)
{
_MOZ_LOG(__FUNCTION__);
printf("mClosed: %i\n", mClosed);
if (mClosed)
return true;
mInstance->mPluginIface->asfile(&mInstance->mData, &mStream,
fname.get());
return true;
}
NPError
BrowserStreamChild::NPN_RequestRead(NPByteRange* aRangeList)
{
IPCByteRanges ranges;
for (; aRangeList; aRangeList = aRangeList->next) {
IPCByteRange br = {aRangeList->offset, aRangeList->length};
ranges.push_back(br);
}
NPError result;
CallNPN_RequestRead(ranges, &result);
// TODO: does failure in NPN_RequestRead affect stream state at all?
return result;
}
void
BrowserStreamChild::NPP_DestroyStream(NPError reason)
{
if (mClosed)
return;
mInstance->mPluginIface->destroystream(&mInstance->mData, &mStream, reason);
mClosed = true;
}
} /* namespace plugins */
} /* namespace mozilla */