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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* 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 nsJARChannel_h__
#define nsJARChannel_h__

#include "mozilla/net/MemoryDownloader.h"
#include "nsIJARChannel.h"
#include "nsIJARURI.h"
#include "nsIEventTarget.h"
#include "nsIInputStreamPump.h"
#include "nsIInterfaceRequestor.h"
#include "nsIProgressEventSink.h"
#include "nsIStreamListener.h"
#include "nsIZipReader.h"
#include "nsILoadGroup.h"
#include "nsILoadInfo.h"
#include "nsIThreadRetargetableRequest.h"
#include "nsIThreadRetargetableStreamListener.h"
#include "nsHashPropertyBag.h"
#include "nsIFile.h"
#include "nsIURI.h"
#include "nsCOMPtr.h"
#include "nsString.h"
#include "mozilla/Logging.h"

class nsJARInputThunk;
class nsJARProtocolHandler;
class nsInputStreamPump;

//-----------------------------------------------------------------------------

class nsJARChannel final : public nsIJARChannel
                         , public nsIStreamListener
                         , public nsIThreadRetargetableRequest
                         , public nsIThreadRetargetableStreamListener
                         , public nsHashPropertyBag
{
public:
    NS_DECL_ISUPPORTS_INHERITED
    NS_DECL_NSIREQUEST
    NS_DECL_NSICHANNEL
    NS_DECL_NSIJARCHANNEL
    NS_DECL_NSIREQUESTOBSERVER
    NS_DECL_NSISTREAMLISTENER
    NS_DECL_NSITHREADRETARGETABLEREQUEST
    NS_DECL_NSITHREADRETARGETABLESTREAMLISTENER

    nsJARChannel();

    nsresult Init(nsIURI *uri);

    void SetFile(nsIFile *file);

private:
    virtual ~nsJARChannel();

    nsresult CreateJarInput(nsIZipReaderCache *, nsJARInputThunk **);
    nsresult LookupFile();
    nsresult OpenLocalFile();
    nsresult ContinueOpenLocalFile(nsJARInputThunk* aInput, bool aIsSyncCall);
    nsresult OnOpenLocalFileComplete(nsresult aResult, bool aIsSyncCall);
    nsresult CheckPendingEvents();
    void NotifyError(nsresult aError);
    void FireOnProgress(uint64_t aProgress);

    nsCString                       mSpec;

    bool                            mOpened;

    RefPtr<nsJARProtocolHandler>    mJarHandler;
    nsCOMPtr<nsIJARURI>             mJarURI;
    nsCOMPtr<nsIURI>                mOriginalURI;
    nsCOMPtr<nsISupports>           mOwner;
    nsCOMPtr<nsILoadInfo>           mLoadInfo;
    nsCOMPtr<nsIInterfaceRequestor> mCallbacks;
    nsCOMPtr<nsISupports>           mSecurityInfo;
    nsCOMPtr<nsIProgressEventSink>  mProgressSink;
    nsCOMPtr<nsILoadGroup>          mLoadGroup;
    nsCOMPtr<nsIStreamListener>     mListener;
    nsCOMPtr<nsISupports>           mListenerContext;
    nsCString                       mContentType;
    nsCString                       mContentCharset;
    int64_t                         mContentLength;
    uint32_t                        mLoadFlags;
    nsresult                        mStatus;
    bool                            mIsPending; // the AsyncOpen is in progress.

    bool                            mEnableOMT;
    // |Cancel()|, |Suspend()|, and |Resume()| might be called during AsyncOpen.
    struct {
        bool isCanceled;
        uint32_t suspendCount;
    }                               mPendingEvent;

    nsCOMPtr<nsIInputStreamPump>    mPump;
    // mRequest is only non-null during OnStartRequest, so we'll have a pointer
    // to the request if we get called back via RetargetDeliveryTo.
    nsCOMPtr<nsIRequest>            mRequest;
    nsCOMPtr<nsIFile>               mJarFile;
    nsCOMPtr<nsIFile>               mJarFileOverride;
    nsCOMPtr<nsIZipReader>          mPreCachedJarReader;
    nsCOMPtr<nsIURI>                mJarBaseURI;
    nsCString                       mJarEntry;
    nsCString                       mInnerJarEntry;

    // use StreamTransportService as background thread
    nsCOMPtr<nsIEventTarget>        mWorker;
};

#endif // nsJARChannel_h__