modules/libjar/nsJARChannel.h

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   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  public:
  41   NS_DECL_ISUPPORTS_INHERITED
  42   NS_DECL_NSIREQUEST
  43   NS_DECL_NSICHANNEL
  44   NS_DECL_NSIJARCHANNEL
  45   NS_DECL_NSIREQUESTOBSERVER
  46   NS_DECL_NSISTREAMLISTENER
  47   NS_DECL_NSITHREADRETARGETABLEREQUEST
  48   NS_DECL_NSITHREADRETARGETABLESTREAMLISTENER
  49
  50   nsJARChannel();
  51
  52   nsresult Init(nsIURI* uri);
  53
  54   void SetFile(nsIFile* file);
  55
  56  private:
  57   virtual ~nsJARChannel();
  58
  59   nsresult CreateJarInput(nsIZipReaderCache*, nsJARInputThunk**);
  60   nsresult LookupFile();
  61   nsresult OpenLocalFile();
  62   nsresult ContinueOpenLocalFile(nsJARInputThunk* aInput, bool aIsSyncCall);
  63   nsresult OnOpenLocalFileComplete(nsresult aResult, bool aIsSyncCall);
  64   nsresult CheckPendingEvents();
  65   void NotifyError(nsresult aError);
  66   void FireOnProgress(uint64_t aProgress);
  67
  68   nsCString mSpec;
  69
  70   bool mOpened;
  71   bool mCanceled;
  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   nsCString mContentType;
  84   nsCString mContentCharset;
  85   int64_t mContentLength;
  86   uint32_t mLoadFlags;
  87   nsresult mStatus;
  88   bool mIsPending;  // the AsyncOpen is in progress.
  89
  90   bool mEnableOMT;
  91   // |Cancel()|, |Suspend()|, and |Resume()| might be called during AsyncOpen.
  92   struct {
  93     bool isCanceled;
  94     uint32_t suspendCount;
  95   } mPendingEvent;
  96
  97   nsCOMPtr<nsIInputStreamPump> mPump;
  98   // mRequest is only non-null during OnStartRequest, so we'll have a pointer
  99   // to the request if we get called back via RetargetDeliveryTo.
 100   nsCOMPtr<nsIRequest> mRequest;
 101   nsCOMPtr<nsIFile> mJarFile;
 102   nsCOMPtr<nsIFile> mJarFileOverride;
 103   nsCOMPtr<nsIZipReader> mPreCachedJarReader;
 104   nsCOMPtr<nsIURI> mJarBaseURI;
 105   nsCString mJarEntry;
 106   nsCString mInnerJarEntry;
 107
 108   // use StreamTransportService as background thread
 109   nsCOMPtr<nsIEventTarget> mWorker;
 110 };
 111
 112 #endif  // nsJARChannel_h__