modules/libjar/nsJARProtocolHandler.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 nsJARProtocolHandler_h__
   7 #define nsJARProtocolHandler_h__
   8
   9 #include "nsIJARProtocolHandler.h"
  10 #include "nsIProtocolHandler.h"
  11 #include "nsIJARURI.h"
  12 #include "nsIZipReader.h"
  13 #include "nsIMIMEService.h"
  14 #include "nsWeakReference.h"
  15 #include "nsCOMPtr.h"
  16 #include "nsClassHashtable.h"
  17 #include "nsHashKeys.h"
  18
  19 class nsIHashable;
  20 class nsIRemoteOpenFileListener;
  21 template<class E, uint32_t N> class nsAutoTArray;
  22
  23 class nsJARProtocolHandler : public nsIJARProtocolHandler
  24                            , public nsSupportsWeakReference
  25 {
  26     typedef nsAutoTArray<nsCOMPtr<nsIRemoteOpenFileListener>, 5>
  27             RemoteFileListenerArray;
  28
  29 public:
  30     NS_DECL_THREADSAFE_ISUPPORTS
  31     NS_DECL_NSIPROTOCOLHANDLER
  32     NS_DECL_NSIJARPROTOCOLHANDLER
  33
  34     // nsJARProtocolHandler methods:
  35     nsJARProtocolHandler();
  36     virtual ~nsJARProtocolHandler();
  37
  38     static nsJARProtocolHandler *GetSingleton();
  39
  40     nsresult Init();
  41
  42     // returns non addref'ed pointer.
  43     nsIMIMEService    *MimeService();
  44     nsIZipReaderCache *JarCache() { return mJARCache; }
  45
  46     bool IsMainProcess() const { return mIsMainProcess; }
  47
  48     bool RemoteOpenFileInProgress(nsIHashable *aRemoteFile,
  49                                   nsIRemoteOpenFileListener *aListener);
  50     void RemoteOpenFileComplete(nsIHashable *aRemoteFile, nsresult aStatus);
  51
  52 protected:
  53     nsCOMPtr<nsIZipReaderCache> mJARCache;
  54     nsCOMPtr<nsIMIMEService> mMimeService;
  55
  56     // Holds lists of RemoteOpenFileChild (not including the 1st) that have
  57     // requested the same file from parent.
  58     nsClassHashtable<nsHashableHashKey, RemoteFileListenerArray>
  59         mRemoteFileListeners;
  60
  61     bool mIsMainProcess;
  62 };
  63
  64 extern nsJARProtocolHandler *gJarHandler;
  65
  66 #define NS_JARPROTOCOLHANDLER_CID                    \
  67 { /* 0xc7e410d4-0x85f2-11d3-9f63-006008a6efe9 */     \
  68     0xc7e410d4,                                      \
  69     0x85f2,                                          \
  70     0x11d3,                                          \
  71     {0x9f, 0x63, 0x00, 0x60, 0x08, 0xa6, 0xef, 0xe9} \
  72 }
  73
  74 #endif // !nsJARProtocolHandler_h__