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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 nsNPAPIPluginStreamListener_h_
#define nsNPAPIPluginStreamListener_h_
#include "nscore.h"
#include "nsIHTTPHeaderListener.h"
#include "nsIRequest.h"
#include "nsITimer.h"
#include "nsCOMPtr.h"
#include "nsCOMArray.h"
#include "nsIOutputStream.h"
#include "nsIPluginInstanceOwner.h"
#include "nsString.h"
#include "nsIAsyncVerifyRedirectCallback.h"
#include "mozilla/PluginLibrary.h"
#define MAX_PLUGIN_NECKO_BUFFER 16384
class nsPluginStreamListenerPeer;
class nsNPAPIPluginStreamListener;
class nsNPAPIPluginInstance;
class nsIChannel;
class nsNPAPIStreamWrapper
{
public:
nsNPAPIStreamWrapper(nsIOutputStream *outputStream,
nsNPAPIPluginStreamListener *streamListener);
~nsNPAPIStreamWrapper();
nsIOutputStream* GetOutputStream() { return mOutputStream.get(); }
nsNPAPIPluginStreamListener* GetStreamListener() { return mStreamListener; }
NPStream mNPStream;
protected:
nsCOMPtr<nsIOutputStream> mOutputStream; // only valid if not browser initiated
nsNPAPIPluginStreamListener* mStreamListener; // only valid if browser initiated
};
// Used to handle NPN_NewStream() - writes the stream as received by the plugin
// to a file and at completion (NPN_DestroyStream), tells the browser to load it into
// a plugin-specified target
class nsPluginStreamToFile : public nsIOutputStream
{
public:
nsPluginStreamToFile(const char* target, nsIPluginInstanceOwner* owner);
NS_DECL_ISUPPORTS
NS_DECL_NSIOUTPUTSTREAM
protected:
virtual ~nsPluginStreamToFile();
char* mTarget;
nsCString mFileURL;
nsCOMPtr<nsIFile> mTempFile;
nsCOMPtr<nsIOutputStream> mOutputStream;
nsIPluginInstanceOwner* mOwner;
};
class nsNPAPIPluginStreamListener : public nsITimerCallback,
public nsIHTTPHeaderListener
{
private:
typedef mozilla::PluginLibrary PluginLibrary;
public:
NS_DECL_ISUPPORTS
NS_DECL_NSITIMERCALLBACK
NS_DECL_NSIHTTPHEADERLISTENER
nsNPAPIPluginStreamListener(nsNPAPIPluginInstance* inst, void* notifyData,
const char* aURL);
nsresult OnStartBinding(nsPluginStreamListenerPeer* streamPeer);
nsresult OnDataAvailable(nsPluginStreamListenerPeer* streamPeer,
nsIInputStream* input,
uint32_t length);
nsresult OnFileAvailable(nsPluginStreamListenerPeer* streamPeer,
const char* fileName);
nsresult OnStopBinding(nsPluginStreamListenerPeer* streamPeer,
nsresult status);
nsresult GetStreamType(int32_t *result);
bool SetStreamType(uint16_t aType, bool aNeedsResume = true);
bool IsStarted();
nsresult CleanUpStream(NPReason reason);
void CallURLNotify(NPReason reason);
void SetCallNotify(bool aCallNotify) { mCallNotify = aCallNotify; }
void SuspendRequest();
void ResumeRequest();
nsresult StartDataPump();
void StopDataPump();
bool PluginInitJSLoadInProgress();
void* GetNotifyData();
nsPluginStreamListenerPeer* GetStreamListenerPeer() { return mStreamListenerPeer; }
void SetStreamListenerPeer(nsPluginStreamListenerPeer* aPeer) { mStreamListenerPeer = aPeer; }
// Returns true if the redirect will be handled by NPAPI, false otherwise.
bool HandleRedirectNotification(nsIChannel *oldChannel, nsIChannel *newChannel,
nsIAsyncVerifyRedirectCallback* callback);
void URLRedirectResponse(NPBool allow);
protected:
enum StreamState
{
eStreamStopped = 0, // The stream is stopped
eNewStreamCalled, // NPP_NewStream was called but has not completed yet
eStreamTypeSet // The stream is fully initialized
};
enum StreamStopMode
{
eNormalStop = 0,
eDoDeferredStop,
eStopPending
};
virtual ~nsNPAPIPluginStreamListener();
bool MaybeRunStopBinding();
char* mStreamBuffer;
char* mNotifyURL;
RefPtr<nsNPAPIPluginInstance> mInst;
nsNPAPIStreamWrapper *mNPStreamWrapper;
uint32_t mStreamBufferSize;
int32_t mStreamBufferByteCount;
int32_t mStreamType;
StreamState mStreamState;
bool mStreamCleanedUp;
bool mCallNotify;
bool mIsSuspended;
bool mIsPluginInitJSStream;
bool mRedirectDenied;
nsCString mResponseHeaders;
char* mResponseHeaderBuf;
nsCOMPtr<nsITimer> mDataPumpTimer;
nsCOMPtr<nsIAsyncVerifyRedirectCallback> mHTTPRedirectCallback;
StreamStopMode mStreamStopMode;
nsresult mPendingStopBindingStatus;
public:
RefPtr<nsPluginStreamListenerPeer> mStreamListenerPeer;
};
#endif // nsNPAPIPluginStreamListener_h_
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