1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
|
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsComponentManager_h__
#define nsComponentManager_h__
#include "nsXPCOM.h"
#include "nsIComponentManager.h"
#include "nsIComponentRegistrar.h"
#include "nsIMemoryReporter.h"
#include "nsIServiceManager.h"
#include "nsIFile.h"
#include "mozilla/ArenaAllocator.h"
#include "mozilla/MemoryReporting.h"
#include "mozilla/Module.h"
#include "mozilla/Monitor.h"
#include "nsXULAppAPI.h"
#include "nsIFactory.h"
#include "nsIInterfaceRequestor.h"
#include "nsIInterfaceRequestorUtils.h"
#include "PLDHashTable.h"
#include "prtime.h"
#include "nsCOMPtr.h"
#include "nsWeakReference.h"
#include "nsCOMArray.h"
#include "nsTHashMap.h"
#include "nsInterfaceHashtable.h"
#include "nsClassHashtable.h"
#include "nsTArray.h"
#include "mozilla/Components.h"
#include "mozilla/Maybe.h"
#include "mozilla/Omnijar.h"
#include "mozilla/Attributes.h"
struct nsFactoryEntry;
struct PRThread;
#define NS_COMPONENTMANAGER_CID \
{/* 91775d60-d5dc-11d2-92fb-00e09805570f */ \
0x91775d60, \
0xd5dc, \
0x11d2, \
{0x92, 0xfb, 0x00, 0xe0, 0x98, 0x05, 0x57, 0x0f}}
////////////////////////////////////////////////////////////////////////////////
namespace {
class EntryWrapper;
} // namespace
namespace mozilla {
namespace xpcom {
bool ProcessSelectorMatches(Module::ProcessSelector aSelector);
bool FastProcessSelectorMatches(Module::ProcessSelector aSelector);
} // namespace xpcom
} // namespace mozilla
class nsComponentManagerImpl final : public nsIComponentManager,
public nsIServiceManager,
public nsSupportsWeakReference,
public nsIComponentRegistrar,
public nsIInterfaceRequestor,
public nsIMemoryReporter {
public:
NS_DECL_THREADSAFE_ISUPPORTS
NS_DECL_NSIINTERFACEREQUESTOR
NS_DECL_NSICOMPONENTMANAGER
NS_DECL_NSICOMPONENTREGISTRAR
NS_DECL_NSIMEMORYREPORTER
static nsresult Create(REFNSIID aIID, void** aResult);
nsresult RegistryLocationForFile(nsIFile* aFile, nsCString& aResult);
nsresult FileForRegistryLocation(const nsCString& aLocation, nsIFile** aSpec);
NS_DECL_NSISERVICEMANAGER
// nsComponentManagerImpl methods:
nsComponentManagerImpl();
static nsComponentManagerImpl* gComponentManager;
nsresult Init();
nsresult Shutdown(void);
nsresult FreeServices();
already_AddRefed<nsIFactory> FindFactory(const nsCID& aClass);
already_AddRefed<nsIFactory> FindFactory(const char* aContractID,
uint32_t aContractIDLen);
already_AddRefed<nsIFactory> LoadFactory(nsFactoryEntry* aEntry);
nsTHashMap<nsIDPointerHashKey, nsFactoryEntry*> mFactories;
nsTHashMap<nsCStringHashKey, nsFactoryEntry*> mContractIDs;
mozilla::Monitor mLock MOZ_UNANNOTATED;
mozilla::Maybe<EntryWrapper> LookupByCID(const nsID& aCID);
mozilla::Maybe<EntryWrapper> LookupByCID(const mozilla::MonitorAutoLock&,
const nsID& aCID);
mozilla::Maybe<EntryWrapper> LookupByContractID(
const nsACString& aContractID);
mozilla::Maybe<EntryWrapper> LookupByContractID(
const mozilla::MonitorAutoLock&, const nsACString& aContractID);
nsresult GetService(mozilla::xpcom::ModuleID, const nsIID& aIID,
void** aResult);
static bool JSLoaderReady() { return gComponentManager->mJSLoaderReady; }
static void InitializeStaticModules();
static void InitializeModuleLocations();
struct ComponentLocation {
NSLocationType type;
mozilla::FileLocation location;
};
static nsTArray<ComponentLocation>* sModuleLocations;
// Mutex not held
void RegisterManifest(NSLocationType aType, mozilla::FileLocation& aFile,
bool aChromeOnly);
struct ManifestProcessingContext {
ManifestProcessingContext(NSLocationType aType,
mozilla::FileLocation& aFile, bool aChromeOnly)
: mType(aType), mFile(aFile), mChromeOnly(aChromeOnly) {}
~ManifestProcessingContext() = default;
NSLocationType mType;
mozilla::FileLocation mFile;
bool mChromeOnly;
};
void ManifestManifest(ManifestProcessingContext& aCx, int aLineNo,
char* const* aArgv);
void ManifestCategory(ManifestProcessingContext& aCx, int aLineNo,
char* const* aArgv);
void RereadChromeManifests(bool aChromeOnly = true);
// Shutdown
enum {
NOT_INITIALIZED,
NORMAL,
SHUTDOWN_IN_PROGRESS,
SHUTDOWN_COMPLETE
} mStatus;
struct PendingServiceInfo {
const nsCID* cid;
PRThread* thread;
};
inline PendingServiceInfo* AddPendingService(const nsCID& aServiceCID,
PRThread* aThread);
inline void RemovePendingService(mozilla::MonitorAutoLock& aLock,
const nsCID& aServiceCID);
inline PRThread* GetPendingServiceThread(const nsCID& aServiceCID) const;
nsTArray<PendingServiceInfo> mPendingServices;
bool mJSLoaderReady = false;
size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
private:
~nsComponentManagerImpl();
nsresult GetServiceLocked(mozilla::Maybe<mozilla::MonitorAutoLock>& aLock,
EntryWrapper& aEntry, const nsIID& aIID,
void** aResult);
};
#define NS_MAX_FILENAME_LEN 1024
#define NS_ERROR_IS_DIR NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_XPCOM, 24)
struct nsFactoryEntry {
// nsIComponentRegistrar.registerFactory support
nsFactoryEntry(const nsCID& aClass, nsIFactory* aFactory);
~nsFactoryEntry() = default;
already_AddRefed<nsIFactory> GetFactory();
nsresult CreateInstance(const nsIID& aIID, void** aResult);
size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf);
const nsCID mCID;
nsCOMPtr<nsIFactory> mFactory;
nsCOMPtr<nsISupports> mServiceObject;
};
#endif // nsComponentManager_h__
|
