modules/libjar/nsJARChannel.h

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef nsJARChannel_h__
   7 #define nsJARChannel_h__
   8
   9 #include "mozilla/net/MemoryDownloader.h"
  10 #include "nsIJARChannel.h"
  11 #include "nsIJARURI.h"
  12 #include "nsIEventTarget.h"
  13 #include "nsIInputStreamPump.h"
  14 #include "nsIInterfaceRequestor.h"
  15 #include "nsIProgressEventSink.h"
  16 #include "nsIStreamListener.h"
  17 #include "nsIZipReader.h"
  18 #include "nsILoadGroup.h"
  19 #include "nsILoadInfo.h"
  20 #include "nsIThreadRetargetableRequest.h"
  21 #include "nsIThreadRetargetableStreamListener.h"
  22 #include "nsHashPropertyBag.h"
  23 #include "nsIFile.h"
  24 #include "nsIURI.h"
  25 #include "nsCOMPtr.h"
  26 #include "nsString.h"
  27 #include "mozilla/Logging.h"
  28
  29 class nsJARInputThunk;
  30 class nsJARProtocolHandler;
  31 class nsInputStreamPump;
  32
  33 //-----------------------------------------------------------------------------
  34
  35 class nsJARChannel final : public nsIJARChannel
  36                          , public nsIStreamListener
  37                          , public nsIThreadRetargetableRequest
  38                          , public nsIThreadRetargetableStreamListener
  39                          , public nsHashPropertyBag
  40 {
  41 public:
  42     NS_DECL_ISUPPORTS_INHERITED
  43     NS_DECL_NSIREQUEST
  44     NS_DECL_NSICHANNEL
  45     NS_DECL_NSIJARCHANNEL
  46     NS_DECL_NSIREQUESTOBSERVER
  47     NS_DECL_NSISTREAMLISTENER
  48     NS_DECL_NSITHREADRETARGETABLEREQUEST
  49     NS_DECL_NSITHREADRETARGETABLESTREAMLISTENER
  50
  51     nsJARChannel();
  52
  53     nsresult Init(nsIURI *uri);
  54
  55     void SetFile(nsIFile *file);
  56
  57 private:
  58     virtual ~nsJARChannel();
  59
  60     nsresult CreateJarInput(nsIZipReaderCache *, nsJARInputThunk **);
  61     nsresult LookupFile();
  62     nsresult OpenLocalFile();
  63     nsresult ContinueOpenLocalFile(nsJARInputThunk* aInput, bool aIsSyncCall);
  64     nsresult OnOpenLocalFileComplete(nsresult aResult, bool aIsSyncCall);
  65     nsresult CheckPendingEvents();
  66     void NotifyError(nsresult aError);
  67     void FireOnProgress(uint64_t aProgress);
  68
  69     nsCString                       mSpec;
  70
  71     bool                            mOpened;
  72
  73     RefPtr<nsJARProtocolHandler>    mJarHandler;
  74     nsCOMPtr<nsIJARURI>             mJarURI;
  75     nsCOMPtr<nsIURI>                mOriginalURI;
  76     nsCOMPtr<nsISupports>           mOwner;
  77     nsCOMPtr<nsILoadInfo>           mLoadInfo;
  78     nsCOMPtr<nsIInterfaceRequestor> mCallbacks;
  79     nsCOMPtr<nsISupports>           mSecurityInfo;
  80     nsCOMPtr<nsIProgressEventSink>  mProgressSink;
  81     nsCOMPtr<nsILoadGroup>          mLoadGroup;
  82     nsCOMPtr<nsIStreamListener>     mListener;
  83     nsCOMPtr<nsISupports>           mListenerContext;
  84     nsCString                       mContentType;
  85     nsCString                       mContentCharset;
  86     int64_t                         mContentLength;
  87     uint32_t                        mLoadFlags;
  88     nsresult                        mStatus;
  89     bool                            mIsPending; // the AsyncOpen is in progress.
  90
  91     bool                            mEnableOMT;
  92     // |Cancel()|, |Suspend()|, and |Resume()| might be called during AsyncOpen.
  93     struct {
  94         bool isCanceled;
  95         uint32_t suspendCount;
  96     }                               mPendingEvent;
  97
  98     nsCOMPtr<nsIInputStreamPump>    mPump;
  99     // mRequest is only non-null during OnStartRequest, so we'll have a pointer
 100     // to the request if we get called back via RetargetDeliveryTo.
 101     nsCOMPtr<nsIRequest>            mRequest;
 102     nsCOMPtr<nsIFile>               mJarFile;
 103     nsCOMPtr<nsIFile>               mJarFileOverride;
 104     nsCOMPtr<nsIZipReader>          mPreCachedJarReader;
 105     nsCOMPtr<nsIURI>                mJarBaseURI;
 106     nsCString                       mJarEntry;
 107     nsCString                       mInnerJarEntry;
 108
 109     // use StreamTransportService as background thread
 110     nsCOMPtr<nsIEventTarget>        mWorker;
 111 };
 112
 113 #endif // nsJARChannel_h__