gecko-dev/dom/plugins/ipc/BrowserStreamChild.cpp
Josh Aas bb536ed272 Bug 649488: Move contents of dom/plugins to dom/plugins/ipc. r=bsmedberg
--HG--
rename : dom/plugins/AStream.h => dom/plugins/ipc/AStream.h
rename : dom/plugins/BrowserStreamChild.cpp => dom/plugins/ipc/BrowserStreamChild.cpp
rename : dom/plugins/BrowserStreamChild.h => dom/plugins/ipc/BrowserStreamChild.h
rename : dom/plugins/BrowserStreamParent.cpp => dom/plugins/ipc/BrowserStreamParent.cpp
rename : dom/plugins/BrowserStreamParent.h => dom/plugins/ipc/BrowserStreamParent.h
rename : dom/plugins/COMMessageFilter.cpp => dom/plugins/ipc/COMMessageFilter.cpp
rename : dom/plugins/COMMessageFilter.h => dom/plugins/ipc/COMMessageFilter.h
rename : dom/plugins/ChildAsyncCall.cpp => dom/plugins/ipc/ChildAsyncCall.cpp
rename : dom/plugins/ChildAsyncCall.h => dom/plugins/ipc/ChildAsyncCall.h
rename : dom/plugins/ChildTimer.cpp => dom/plugins/ipc/ChildTimer.cpp
rename : dom/plugins/ChildTimer.h => dom/plugins/ipc/ChildTimer.h
rename : dom/plugins/Makefile.in => dom/plugins/ipc/Makefile.in
rename : dom/plugins/NPEventAndroid.h => dom/plugins/ipc/NPEventAndroid.h
rename : dom/plugins/NPEventOSX.h => dom/plugins/ipc/NPEventOSX.h
rename : dom/plugins/NPEventWindows.h => dom/plugins/ipc/NPEventWindows.h
rename : dom/plugins/NPEventX11.h => dom/plugins/ipc/NPEventX11.h
rename : dom/plugins/NestedLoopTimer.cpp => dom/plugins/ipc/NestedLoopTimer.cpp
rename : dom/plugins/NestedLoopTimer.h => dom/plugins/ipc/NestedLoopTimer.h
rename : dom/plugins/PBrowserStream.ipdl => dom/plugins/ipc/PBrowserStream.ipdl
rename : dom/plugins/PPluginBackgroundDestroyer.ipdl => dom/plugins/ipc/PPluginBackgroundDestroyer.ipdl
rename : dom/plugins/PPluginIdentifier.ipdl => dom/plugins/ipc/PPluginIdentifier.ipdl
rename : dom/plugins/PPluginInstance.ipdl => dom/plugins/ipc/PPluginInstance.ipdl
rename : dom/plugins/PPluginModule.ipdl => dom/plugins/ipc/PPluginModule.ipdl
rename : dom/plugins/PPluginScriptableObject.ipdl => dom/plugins/ipc/PPluginScriptableObject.ipdl
rename : dom/plugins/PPluginStream.ipdl => dom/plugins/ipc/PPluginStream.ipdl
rename : dom/plugins/PPluginSurface.ipdl => dom/plugins/ipc/PPluginSurface.ipdl
rename : dom/plugins/PStreamNotify.ipdl => dom/plugins/ipc/PStreamNotify.ipdl
rename : dom/plugins/PluginBackgroundDestroyer.h => dom/plugins/ipc/PluginBackgroundDestroyer.h
rename : dom/plugins/PluginIdentifierChild.h => dom/plugins/ipc/PluginIdentifierChild.h
rename : dom/plugins/PluginIdentifierParent.h => dom/plugins/ipc/PluginIdentifierParent.h
rename : dom/plugins/PluginInstanceChild.cpp => dom/plugins/ipc/PluginInstanceChild.cpp
rename : dom/plugins/PluginInstanceChild.h => dom/plugins/ipc/PluginInstanceChild.h
rename : dom/plugins/PluginInstanceParent.cpp => dom/plugins/ipc/PluginInstanceParent.cpp
rename : dom/plugins/PluginInstanceParent.h => dom/plugins/ipc/PluginInstanceParent.h
rename : dom/plugins/PluginInterposeOSX.h => dom/plugins/ipc/PluginInterposeOSX.h
rename : dom/plugins/PluginInterposeOSX.mm => dom/plugins/ipc/PluginInterposeOSX.mm
rename : dom/plugins/PluginLibrary.h => dom/plugins/ipc/PluginLibrary.h
rename : dom/plugins/PluginMessageUtils.cpp => dom/plugins/ipc/PluginMessageUtils.cpp
rename : dom/plugins/PluginMessageUtils.h => dom/plugins/ipc/PluginMessageUtils.h
rename : dom/plugins/PluginModuleChild.cpp => dom/plugins/ipc/PluginModuleChild.cpp
rename : dom/plugins/PluginModuleChild.h => dom/plugins/ipc/PluginModuleChild.h
rename : dom/plugins/PluginModuleParent.cpp => dom/plugins/ipc/PluginModuleParent.cpp
rename : dom/plugins/PluginModuleParent.h => dom/plugins/ipc/PluginModuleParent.h
rename : dom/plugins/PluginProcessChild.cpp => dom/plugins/ipc/PluginProcessChild.cpp
rename : dom/plugins/PluginProcessChild.h => dom/plugins/ipc/PluginProcessChild.h
rename : dom/plugins/PluginProcessParent.cpp => dom/plugins/ipc/PluginProcessParent.cpp
rename : dom/plugins/PluginProcessParent.h => dom/plugins/ipc/PluginProcessParent.h
rename : dom/plugins/PluginScriptableObjectChild.cpp => dom/plugins/ipc/PluginScriptableObjectChild.cpp
rename : dom/plugins/PluginScriptableObjectChild.h => dom/plugins/ipc/PluginScriptableObjectChild.h
rename : dom/plugins/PluginScriptableObjectParent.cpp => dom/plugins/ipc/PluginScriptableObjectParent.cpp
rename : dom/plugins/PluginScriptableObjectParent.h => dom/plugins/ipc/PluginScriptableObjectParent.h
rename : dom/plugins/PluginScriptableObjectUtils-inl.h => dom/plugins/ipc/PluginScriptableObjectUtils-inl.h
rename : dom/plugins/PluginScriptableObjectUtils.h => dom/plugins/ipc/PluginScriptableObjectUtils.h
rename : dom/plugins/PluginStreamChild.cpp => dom/plugins/ipc/PluginStreamChild.cpp
rename : dom/plugins/PluginStreamChild.h => dom/plugins/ipc/PluginStreamChild.h
rename : dom/plugins/PluginStreamParent.cpp => dom/plugins/ipc/PluginStreamParent.cpp
rename : dom/plugins/PluginStreamParent.h => dom/plugins/ipc/PluginStreamParent.h
rename : dom/plugins/PluginSurfaceParent.cpp => dom/plugins/ipc/PluginSurfaceParent.cpp
rename : dom/plugins/PluginSurfaceParent.h => dom/plugins/ipc/PluginSurfaceParent.h
rename : dom/plugins/PluginUtilsOSX.h => dom/plugins/ipc/PluginUtilsOSX.h
rename : dom/plugins/PluginUtilsOSX.mm => dom/plugins/ipc/PluginUtilsOSX.mm
rename : dom/plugins/StreamNotifyChild.h => dom/plugins/ipc/StreamNotifyChild.h
rename : dom/plugins/StreamNotifyParent.h => dom/plugins/ipc/StreamNotifyParent.h
rename : dom/plugins/ipdl.mk => dom/plugins/ipc/ipdl.mk
2011-04-12 16:26:11 -07:00

320 lines
9.0 KiB
C++

/* -*- 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"
#include "StreamNotifyChild.h"
namespace mozilla {
namespace plugins {
BrowserStreamChild::BrowserStreamChild(PluginInstanceChild* instance,
const nsCString& url,
const uint32_t& length,
const uint32_t& lastmodified,
StreamNotifyChild* notifyData,
const nsCString& headers,
const nsCString& mimeType,
const bool& seekable,
NPError* rv,
uint16_t* stype)
: mInstance(instance)
, mStreamStatus(kStreamOpen)
, mDestroyPending(NOT_DESTROYED)
, mNotifyPending(false)
, mInstanceDying(false)
, mState(CONSTRUCTING)
, mURL(url)
, mHeaders(headers)
, mStreamNotify(notifyData)
, mDeliveryTracker(this)
{
PLUGIN_LOG_DEBUG(("%s (%s, %i, %i, %p, %s, %s)", FULLFUNCTION,
url.get(), length, lastmodified, (void*) notifyData,
headers.get(), mimeType.get()));
AssertPluginThread();
memset(&mStream, 0, sizeof(mStream));
mStream.ndata = static_cast<AStream*>(this);
mStream.url = NullableStringGet(mURL);
mStream.end = length;
mStream.lastmodified = lastmodified;
mStream.headers = NullableStringGet(mHeaders);
if (notifyData)
mStream.notifyData = notifyData->mClosure;
}
NPError
BrowserStreamChild::StreamConstructed(
const nsCString& mimeType,
const bool& seekable,
uint16_t* stype)
{
NPError rv = NPERR_NO_ERROR;
*stype = NP_NORMAL;
rv = mInstance->mPluginIface->newstream(
&mInstance->mData, const_cast<char*>(NullableStringGet(mimeType)),
&mStream, seekable, stype);
if (rv != NPERR_NO_ERROR) {
mState = DELETING;
mStreamNotify = NULL;
}
else {
mState = ALIVE;
if (mStreamNotify)
mStreamNotify->SetAssociatedStream(this);
}
return rv;
}
BrowserStreamChild::~BrowserStreamChild()
{
NS_ASSERTION(!mStreamNotify, "Should have nulled it by now!");
}
bool
BrowserStreamChild::RecvWrite(const int32_t& offset,
const Buffer& data,
const uint32_t& newlength)
{
PLUGIN_LOG_DEBUG_FUNCTION;
AssertPluginThread();
if (ALIVE != mState)
NS_RUNTIMEABORT("Unexpected state: received data after NPP_DestroyStream?");
if (kStreamOpen != mStreamStatus)
return true;
mStream.end = newlength;
NS_ASSERTION(data.Length() > 0, "Empty data");
PendingData* newdata = mPendingData.AppendElement();
newdata->offset = offset;
newdata->data = data;
newdata->curpos = 0;
EnsureDeliveryPending();
return true;
}
bool
BrowserStreamChild::AnswerNPP_StreamAsFile(const nsCString& fname)
{
PLUGIN_LOG_DEBUG(("%s (fname=%s)", FULLFUNCTION, fname.get()));
AssertPluginThread();
if (ALIVE != mState)
NS_RUNTIMEABORT("Unexpected state: received file after NPP_DestroyStream?");
if (kStreamOpen != mStreamStatus)
return true;
mInstance->mPluginIface->asfile(&mInstance->mData, &mStream,
fname.get());
return true;
}
bool
BrowserStreamChild::RecvNPP_DestroyStream(const NPReason& reason)
{
PLUGIN_LOG_DEBUG_METHOD;
if (ALIVE != mState)
NS_RUNTIMEABORT("Unexpected state: recevied NPP_DestroyStream twice?");
mState = DYING;
mDestroyPending = DESTROY_PENDING;
if (NPRES_DONE != reason)
mStreamStatus = reason;
EnsureDeliveryPending();
return true;
}
bool
BrowserStreamChild::Recv__delete__()
{
AssertPluginThread();
if (DELETING != mState)
NS_RUNTIMEABORT("Bad state, not DELETING");
return true;
}
NPError
BrowserStreamChild::NPN_RequestRead(NPByteRange* aRangeList)
{
PLUGIN_LOG_DEBUG_FUNCTION;
AssertPluginThread();
if (ALIVE != mState || kStreamOpen != mStreamStatus)
return NPERR_GENERIC_ERROR;
IPCByteRanges ranges;
for (; aRangeList; aRangeList = aRangeList->next) {
IPCByteRange br = {aRangeList->offset, aRangeList->length};
ranges.push_back(br);
}
NPError result;
CallNPN_RequestRead(ranges, &result);
return result;
}
void
BrowserStreamChild::NPN_DestroyStream(NPReason reason)
{
mStreamStatus = reason;
if (ALIVE == mState)
SendNPN_DestroyStream(reason);
EnsureDeliveryPending();
}
void
BrowserStreamChild::EnsureDeliveryPending()
{
MessageLoop::current()->PostTask(FROM_HERE,
mDeliveryTracker.NewRunnableMethod(&BrowserStreamChild::Deliver));
}
void
BrowserStreamChild::Deliver()
{
while (kStreamOpen == mStreamStatus && mPendingData.Length()) {
if (DeliverPendingData() && kStreamOpen == mStreamStatus) {
SetSuspendedTimer();
return;
}
}
ClearSuspendedTimer();
NS_ASSERTION(kStreamOpen != mStreamStatus || 0 == mPendingData.Length(),
"Exit out of the data-delivery loop with pending data");
mPendingData.Clear();
if (DESTROY_PENDING == mDestroyPending) {
mDestroyPending = DESTROYED;
if (mState != DYING)
NS_RUNTIMEABORT("mDestroyPending but state not DYING");
NS_ASSERTION(NPRES_DONE != mStreamStatus, "Success status set too early!");
if (kStreamOpen == mStreamStatus)
mStreamStatus = NPRES_DONE;
(void) mInstance->mPluginIface
->destroystream(&mInstance->mData, &mStream, mStreamStatus);
}
if (DESTROYED == mDestroyPending && mNotifyPending) {
NS_ASSERTION(mStreamNotify, "mDestroyPending but no mStreamNotify?");
mNotifyPending = false;
mStreamNotify->NPP_URLNotify(mStreamStatus);
delete mStreamNotify;
mStreamNotify = NULL;
}
if (DYING == mState && DESTROYED == mDestroyPending
&& !mStreamNotify && !mInstanceDying) {
SendStreamDestroyed();
mState = DELETING;
}
}
bool
BrowserStreamChild::DeliverPendingData()
{
if (mState != ALIVE && mState != DYING)
NS_RUNTIMEABORT("Unexpected state");
NS_ASSERTION(mPendingData.Length(), "Called from Deliver with empty pending");
while (mPendingData[0].curpos < static_cast<int32_t>(mPendingData[0].data.Length())) {
int32_t r = mInstance->mPluginIface->writeready(&mInstance->mData, &mStream);
if (kStreamOpen != mStreamStatus)
return false;
if (0 == r) // plugin wants to suspend delivery
return true;
r = mInstance->mPluginIface->write(
&mInstance->mData, &mStream,
mPendingData[0].offset + mPendingData[0].curpos, // offset
mPendingData[0].data.Length() - mPendingData[0].curpos, // length
const_cast<char*>(mPendingData[0].data.BeginReading() + mPendingData[0].curpos));
if (kStreamOpen != mStreamStatus)
return false;
if (0 == r)
return true;
if (r < 0) { // error condition
NPN_DestroyStream(NPRES_NETWORK_ERR);
return false;
}
mPendingData[0].curpos += r;
}
mPendingData.RemoveElementAt(0);
return false;
}
void
BrowserStreamChild::SetSuspendedTimer()
{
if (mSuspendedTimer.IsRunning())
return;
mSuspendedTimer.Start(
base::TimeDelta::FromMilliseconds(100), // 100ms copied from Mozilla plugin host
this, &BrowserStreamChild::Deliver);
}
void
BrowserStreamChild::ClearSuspendedTimer()
{
mSuspendedTimer.Stop();
}
} /* namespace plugins */
} /* namespace mozilla */