Thu, 22 Jan 2015 13:21:57 +0100
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
michael@0 | 1 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ |
michael@0 | 2 | /* vim: set ts=4 et sw=4 tw=80: */ |
michael@0 | 3 | /* This Source Code Form is subject to the terms of the Mozilla Public |
michael@0 | 4 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
michael@0 | 5 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
michael@0 | 6 | |
michael@0 | 7 | #ifndef mozilla_XPTInterfaceInfoManager_h_ |
michael@0 | 8 | #define mozilla_XPTInterfaceInfoManager_h_ |
michael@0 | 9 | |
michael@0 | 10 | #include "nsIInterfaceInfoManager.h" |
michael@0 | 11 | #include "nsIMemoryReporter.h" |
michael@0 | 12 | |
michael@0 | 13 | #include "mozilla/MemoryReporting.h" |
michael@0 | 14 | #include "mozilla/Mutex.h" |
michael@0 | 15 | #include "mozilla/ReentrantMonitor.h" |
michael@0 | 16 | #include "nsDataHashtable.h" |
michael@0 | 17 | |
michael@0 | 18 | template<typename T> class nsCOMArray; |
michael@0 | 19 | class nsIMemoryReporter; |
michael@0 | 20 | class XPTHeader; |
michael@0 | 21 | class XPTInterfaceDirectoryEntry; |
michael@0 | 22 | class xptiInterfaceEntry; |
michael@0 | 23 | class xptiInterfaceInfo; |
michael@0 | 24 | class xptiTypelibGuts; |
michael@0 | 25 | |
michael@0 | 26 | namespace mozilla { |
michael@0 | 27 | |
michael@0 | 28 | class XPTInterfaceInfoManager MOZ_FINAL |
michael@0 | 29 | : public nsIInterfaceInfoManager |
michael@0 | 30 | , public nsIMemoryReporter |
michael@0 | 31 | { |
michael@0 | 32 | NS_DECL_THREADSAFE_ISUPPORTS |
michael@0 | 33 | NS_DECL_NSIINTERFACEINFOMANAGER |
michael@0 | 34 | NS_DECL_NSIMEMORYREPORTER |
michael@0 | 35 | |
michael@0 | 36 | public: |
michael@0 | 37 | // GetSingleton() is infallible |
michael@0 | 38 | static XPTInterfaceInfoManager* GetSingleton(); |
michael@0 | 39 | static void FreeInterfaceInfoManager(); |
michael@0 | 40 | |
michael@0 | 41 | void GetScriptableInterfaces(nsCOMArray<nsIInterfaceInfo>& aInterfaces); |
michael@0 | 42 | |
michael@0 | 43 | void RegisterBuffer(char *buf, uint32_t length); |
michael@0 | 44 | |
michael@0 | 45 | static Mutex& GetResolveLock() |
michael@0 | 46 | { |
michael@0 | 47 | return GetSingleton()->mResolveLock; |
michael@0 | 48 | } |
michael@0 | 49 | |
michael@0 | 50 | xptiInterfaceEntry* GetInterfaceEntryForIID(const nsIID *iid); |
michael@0 | 51 | |
michael@0 | 52 | size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf); |
michael@0 | 53 | |
michael@0 | 54 | private: |
michael@0 | 55 | XPTInterfaceInfoManager(); |
michael@0 | 56 | ~XPTInterfaceInfoManager(); |
michael@0 | 57 | |
michael@0 | 58 | void InitMemoryReporter(); |
michael@0 | 59 | |
michael@0 | 60 | void RegisterXPTHeader(XPTHeader* aHeader); |
michael@0 | 61 | |
michael@0 | 62 | // idx is the index of this interface in the XPTHeader |
michael@0 | 63 | void VerifyAndAddEntryIfNew(XPTInterfaceDirectoryEntry* iface, |
michael@0 | 64 | uint16_t idx, |
michael@0 | 65 | xptiTypelibGuts* typelib); |
michael@0 | 66 | |
michael@0 | 67 | private: |
michael@0 | 68 | |
michael@0 | 69 | class xptiWorkingSet |
michael@0 | 70 | { |
michael@0 | 71 | public: |
michael@0 | 72 | xptiWorkingSet(); |
michael@0 | 73 | ~xptiWorkingSet(); |
michael@0 | 74 | |
michael@0 | 75 | bool IsValid() const; |
michael@0 | 76 | |
michael@0 | 77 | void InvalidateInterfaceInfos(); |
michael@0 | 78 | void ClearHashTables(); |
michael@0 | 79 | |
michael@0 | 80 | // utility methods... |
michael@0 | 81 | |
michael@0 | 82 | enum {NOT_FOUND = 0xffffffff}; |
michael@0 | 83 | |
michael@0 | 84 | // Directory stuff... |
michael@0 | 85 | |
michael@0 | 86 | uint32_t GetDirectoryCount(); |
michael@0 | 87 | nsresult GetCloneOfDirectoryAt(uint32_t i, nsIFile** dir); |
michael@0 | 88 | nsresult GetDirectoryAt(uint32_t i, nsIFile** dir); |
michael@0 | 89 | bool FindDirectory(nsIFile* dir, uint32_t* index); |
michael@0 | 90 | bool FindDirectoryOfFile(nsIFile* file, uint32_t* index); |
michael@0 | 91 | bool DirectoryAtMatchesPersistentDescriptor(uint32_t i, const char* desc); |
michael@0 | 92 | |
michael@0 | 93 | private: |
michael@0 | 94 | uint32_t mFileCount; |
michael@0 | 95 | uint32_t mMaxFileCount; |
michael@0 | 96 | |
michael@0 | 97 | public: |
michael@0 | 98 | // XXX make these private with accessors |
michael@0 | 99 | // mTableMonitor must be held across: |
michael@0 | 100 | // * any read from or write to mIIDTable or mNameTable |
michael@0 | 101 | // * any writing to the links between an xptiInterfaceEntry |
michael@0 | 102 | // and its xptiInterfaceInfo (mEntry/mInfo) |
michael@0 | 103 | mozilla::ReentrantMonitor mTableReentrantMonitor; |
michael@0 | 104 | nsDataHashtable<nsIDHashKey, xptiInterfaceEntry*> mIIDTable; |
michael@0 | 105 | nsDataHashtable<nsDepCharHashKey, xptiInterfaceEntry*> mNameTable; |
michael@0 | 106 | }; |
michael@0 | 107 | |
michael@0 | 108 | // XXX xptiInterfaceInfo want's to poke at the working set itself |
michael@0 | 109 | friend class ::xptiInterfaceInfo; |
michael@0 | 110 | friend class ::xptiInterfaceEntry; |
michael@0 | 111 | friend class ::xptiTypelibGuts; |
michael@0 | 112 | |
michael@0 | 113 | xptiWorkingSet mWorkingSet; |
michael@0 | 114 | Mutex mResolveLock; |
michael@0 | 115 | }; |
michael@0 | 116 | |
michael@0 | 117 | } |
michael@0 | 118 | |
michael@0 | 119 | #endif |