gecko-dev/dom/plugins/ipc/BrowserStreamParent.h

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C++

/* -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 8 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_plugins_BrowserStreamParent_h
#define mozilla_plugins_BrowserStreamParent_h
#include "mozilla/plugins/PBrowserStreamParent.h"
#include "mozilla/plugins/AStream.h"
#include "nsNPAPIPluginStreamListener.h"
#include "nsPluginStreamListenerPeer.h"
namespace mozilla {
namespace plugins {
class PluginInstanceParent;
class BrowserStreamParent : public PBrowserStreamParent, public AStream
{
friend class PluginModuleParent;
friend class PluginInstanceParent;
public:
BrowserStreamParent(PluginInstanceParent* npp,
NPStream* stream);
virtual ~BrowserStreamParent();
virtual bool IsBrowserStream() override { return true; }
virtual void ActorDestroy(ActorDestroyReason aWhy) override;
virtual bool RecvAsyncNPP_NewStreamResult(
const NPError& rv,
const uint16_t& stype) override;
virtual bool AnswerNPN_RequestRead(const IPCByteRanges& ranges,
NPError* result) override;
virtual bool RecvNPN_DestroyStream(const NPReason& reason) override;
virtual bool RecvStreamDestroyed() override;
int32_t WriteReady();
int32_t Write(int32_t offset, int32_t len, void* buffer);
void StreamAsFile(const char* fname);
void NPP_DestroyStream(NPReason reason);
void SetAlive()
{
if (mState == INITIALIZING) {
mState = ALIVE;
}
}
private:
using PBrowserStreamParent::SendNPP_DestroyStream;
PluginInstanceParent* mNPP;
NPStream* mStream;
nsCOMPtr<nsISupports> mStreamPeer;
RefPtr<nsNPAPIPluginStreamListener> mStreamListener;
NPReason mDeferredDestroyReason;
enum {
INITIALIZING,
DEFERRING_DESTROY,
ALIVE,
DYING,
DELETING
} mState;
};
} // namespace plugins
} // namespace mozilla
#endif