The Tor Browser / file comparison
comparison: xpcom/reflect/xptinfo/public/XPTInterfaceInfoManager.h
xpcom/reflect/xptinfo/public/XPTInterfaceInfoManager.h
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:60cba480e988 |
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| 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ | |
| 2 /* vim: set ts=4 et sw=4 tw=80: */ | |
| 3 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #ifndef mozilla_XPTInterfaceInfoManager_h_ | |
| 8 #define mozilla_XPTInterfaceInfoManager_h_ | |
| 9 | |
| 10 #include "nsIInterfaceInfoManager.h" | |
| 11 #include "nsIMemoryReporter.h" | |
| 12 | |
| 13 #include "mozilla/MemoryReporting.h" | |
| 14 #include "mozilla/Mutex.h" | |
| 15 #include "mozilla/ReentrantMonitor.h" | |
| 16 #include "nsDataHashtable.h" | |
| 17 | |
| 18 template<typename T> class nsCOMArray; | |
| 19 class nsIMemoryReporter; | |
| 20 class XPTHeader; | |
| 21 class XPTInterfaceDirectoryEntry; | |
| 22 class xptiInterfaceEntry; | |
| 23 class xptiInterfaceInfo; | |
| 24 class xptiTypelibGuts; | |
| 25 | |
| 26 namespace mozilla { | |
| 27 | |
| 28 class XPTInterfaceInfoManager MOZ_FINAL | |
| 29 : public nsIInterfaceInfoManager | |
| 30 , public nsIMemoryReporter | |
| 31 { | |
| 32 NS_DECL_THREADSAFE_ISUPPORTS | |
| 33 NS_DECL_NSIINTERFACEINFOMANAGER | |
| 34 NS_DECL_NSIMEMORYREPORTER | |
| 35 | |
| 36 public: | |
| 37 // GetSingleton() is infallible | |
| 38 static XPTInterfaceInfoManager* GetSingleton(); | |
| 39 static void FreeInterfaceInfoManager(); | |
| 40 | |
| 41 void GetScriptableInterfaces(nsCOMArray<nsIInterfaceInfo>& aInterfaces); | |
| 42 | |
| 43 void RegisterBuffer(char *buf, uint32_t length); | |
| 44 | |
| 45 static Mutex& GetResolveLock() | |
| 46 { | |
| 47 return GetSingleton()->mResolveLock; | |
| 48 } | |
| 49 | |
| 50 xptiInterfaceEntry* GetInterfaceEntryForIID(const nsIID *iid); | |
| 51 | |
| 52 size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf); | |
| 53 | |
| 54 private: | |
| 55 XPTInterfaceInfoManager(); | |
| 56 ~XPTInterfaceInfoManager(); | |
| 57 | |
| 58 void InitMemoryReporter(); | |
| 59 | |
| 60 void RegisterXPTHeader(XPTHeader* aHeader); | |
| 61 | |
| 62 // idx is the index of this interface in the XPTHeader | |
| 63 void VerifyAndAddEntryIfNew(XPTInterfaceDirectoryEntry* iface, | |
| 64 uint16_t idx, | |
| 65 xptiTypelibGuts* typelib); | |
| 66 | |
| 67 private: | |
| 68 | |
| 69 class xptiWorkingSet | |
| 70 { | |
| 71 public: | |
| 72 xptiWorkingSet(); | |
| 73 ~xptiWorkingSet(); | |
| 74 | |
| 75 bool IsValid() const; | |
| 76 | |
| 77 void InvalidateInterfaceInfos(); | |
| 78 void ClearHashTables(); | |
| 79 | |
| 80 // utility methods... | |
| 81 | |
| 82 enum {NOT_FOUND = 0xffffffff}; | |
| 83 | |
| 84 // Directory stuff... | |
| 85 | |
| 86 uint32_t GetDirectoryCount(); | |
| 87 nsresult GetCloneOfDirectoryAt(uint32_t i, nsIFile** dir); | |
| 88 nsresult GetDirectoryAt(uint32_t i, nsIFile** dir); | |
| 89 bool FindDirectory(nsIFile* dir, uint32_t* index); | |
| 90 bool FindDirectoryOfFile(nsIFile* file, uint32_t* index); | |
| 91 bool DirectoryAtMatchesPersistentDescriptor(uint32_t i, const char* desc); | |
| 92 | |
| 93 private: | |
| 94 uint32_t mFileCount; | |
| 95 uint32_t mMaxFileCount; | |
| 96 | |
| 97 public: | |
| 98 // XXX make these private with accessors | |
| 99 // mTableMonitor must be held across: | |
| 100 // * any read from or write to mIIDTable or mNameTable | |
| 101 // * any writing to the links between an xptiInterfaceEntry | |
| 102 // and its xptiInterfaceInfo (mEntry/mInfo) | |
| 103 mozilla::ReentrantMonitor mTableReentrantMonitor; | |
| 104 nsDataHashtable<nsIDHashKey, xptiInterfaceEntry*> mIIDTable; | |
| 105 nsDataHashtable<nsDepCharHashKey, xptiInterfaceEntry*> mNameTable; | |
| 106 }; | |
| 107 | |
| 108 // XXX xptiInterfaceInfo want's to poke at the working set itself | |
| 109 friend class ::xptiInterfaceInfo; | |
| 110 friend class ::xptiInterfaceEntry; | |
| 111 friend class ::xptiTypelibGuts; | |
| 112 | |
| 113 xptiWorkingSet mWorkingSet; | |
| 114 Mutex mResolveLock; | |
| 115 }; | |
| 116 | |
| 117 } | |
| 118 | |
| 119 #endif |
