dom/plugins/PluginStreamParent.cpp
author Benjamin Smedberg <benjamin@smedbergs.us>
Sat, 06 Mar 2010 16:03:05 -0500
changeset 39283 beed4bc507c9c6a48cbaa7f828bf3304eb97931d
parent 36138 5160e99545e97c8263d36774d87a70487cf7cf98
permissions -rw-r--r--
Bug 551049 part 3: delay the delivery of NPP_URLNotify until the related stream is completely delivered and destroyed, and propagate errors from NPP_Write and NPN_DestroyStream back to NPP_URLNotify r=bent

/* -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 8 -*- */
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 * The Original Code is Mozilla Plugins.
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#include "PluginStreamParent.h"
#include "PluginInstanceParent.h"

namespace mozilla {
namespace plugins {

PluginStreamParent::PluginStreamParent(PluginInstanceParent* npp,
                                       const nsCString& mimeType,
                                       const nsCString& target,
                                       NPError* result)
  : mInstance(npp)
  , mClosed(false)
{
  *result = mInstance->mNPNIface->newstream(mInstance->mNPP,
                                            const_cast<char*>(mimeType.get()),
                                            NullableStringGet(target),
                                            &mStream);
  if (*result == NPERR_NO_ERROR)
    mStream->pdata = static_cast<AStream*>(this);
  else
    mStream = NULL;
}

bool
PluginStreamParent::AnswerNPN_Write(const Buffer& data, int32_t* written)
{
  if (mClosed) {
    *written = -1;
    return true;
  }

  *written = mInstance->mNPNIface->write(mInstance->mNPP, mStream,
                                         data.Length(),
                                         const_cast<char*>(data.get()));
  if (*written < 0)
    mClosed = true;

  return true;
}

bool
PluginStreamParent::Answer__delete__(const NPError& reason,
                                     const bool& artificial)
{
  if (!artificial)
    this->NPN_DestroyStream(reason);
  return true;
}

void
PluginStreamParent::NPN_DestroyStream(NPReason reason)
{
  if (mClosed)
    return;

  mInstance->mNPNIface->destroystream(mInstance->mNPP, mStream, reason);
  mClosed = true;
}

} // namespace plugins
} // namespace mozilla