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/* -*- 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/Atomics.h"
#include "mozilla/MemoryReporting.h"
#include "mozilla/Module.h"
#include "mozilla/Monitor.h"
#include "mozilla/UniquePtr.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;
};
class ComponentLocationComparator {
public:
bool Equals(const ComponentLocation& aA,
const ComponentLocation& aB) const {
return (aA.type == aB.type && aA.location.Equals(aB.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__
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