nsToolkitProfileService.h

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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 nsToolkitProfileService_h

#define nsToolkitProfileService_h

#include "mozilla/Components.h"

#include "mozilla/LinkedList.h"

#include "nsIToolkitProfileService.h"

#include "nsIToolkitProfile.h"

#include "nsIFactory.h"

#include "nsSimpleEnumerator.h"

#include "nsProfileLock.h"

#include "nsINIParser.h"

class nsToolkitProfile final

    : public nsIToolkitProfile,

      public mozilla::LinkedListElement<RefPtr<nsToolkitProfile>> {

 public:

  NS_DECL_ISUPPORTS

  NS_DECL_NSITOOLKITPROFILE

  friend class nsToolkitProfileService;

 private:

  ~nsToolkitProfile() = default;

  nsToolkitProfile(const nsACString& aName, nsIFile* aRootDir,

                   nsIFile* aLocalDir, bool aFromDB);

  nsresult RemoveInternal(bool aRemoveFiles, bool aInBackground);

  friend class nsToolkitProfileLock;

  nsCString mName;

  nsCOMPtr<nsIFile> mRootDir;

  nsCOMPtr<nsIFile> mLocalDir;

  nsIProfileLock* mLock;

  uint32_t mIndex;

  nsCString mSection;

};

class nsToolkitProfileLock final : public nsIProfileLock {

 public:

  NS_DECL_ISUPPORTS

  NS_DECL_NSIPROFILELOCK

  nsresult Init(nsToolkitProfile* aProfile, nsIProfileUnlocker** aUnlocker);

  nsresult Init(nsIFile* aDirectory, nsIFile* aLocalDirectory,

                nsIProfileUnlocker** aUnlocker);

  nsToolkitProfileLock() = default;

 private:

  ~nsToolkitProfileLock();

  RefPtr<nsToolkitProfile> mProfile;

  nsCOMPtr<nsIFile> mDirectory;

  nsCOMPtr<nsIFile> mLocalDirectory;

  nsProfileLock mLock;

};

class nsToolkitProfileService final : public nsIToolkitProfileService {

 public:

  NS_DECL_ISUPPORTS

  NS_DECL_NSITOOLKITPROFILESERVICE

  nsresult SelectStartupProfile(int* aArgc, char* aArgv[], bool aIsResetting,

                                nsIFile** aRootDir, nsIFile** aLocalDir,

                                nsIToolkitProfile** aProfile, bool* aDidCreate,

                                bool* aWasDefaultSelection);

  nsresult CreateResetProfile(nsIToolkitProfile** aNewProfile);

  nsresult ApplyResetProfile(nsIToolkitProfile* aOldProfile);

  void CompleteStartup();

 private:

  friend class nsToolkitProfile;

  friend already_AddRefed<nsToolkitProfileService>

  NS_GetToolkitProfileService();

  nsToolkitProfileService();

  ~nsToolkitProfileService();

  nsresult Init();

  nsresult CreateTimesInternal(nsIFile* profileDir);

  void GetProfileByDir(nsIFile* aRootDir, nsIFile* aLocalDir,

                       nsIToolkitProfile** aResult);

  nsresult GetProfileDescriptor(nsIToolkitProfile* aProfile,

                                nsACString& aDescriptor, bool* aIsRelative);

  bool IsProfileForCurrentInstall(nsIToolkitProfile* aProfile);

  void ClearProfileFromOtherInstalls(nsIToolkitProfile* aProfile);

  nsresult MaybeMakeDefaultDedicatedProfile(nsIToolkitProfile* aProfile,

                                            bool* aResult);

  bool IsSnapEnvironment();

  bool UseLegacyProfiles();

  nsresult CreateDefaultProfile(nsIToolkitProfile** aResult);

  void SetNormalDefault(nsIToolkitProfile* aProfile);

  // Returns the known install hashes from the installs database. Modifying the

  // installs database is safe while iterating the returned array.

  nsTArray<nsCString> GetKnownInstalls();

  // Tracks whether SelectStartupProfile has been called.

  bool mStartupProfileSelected;

  // The  profiles loaded from profiles.ini.

  mozilla::LinkedList<RefPtr<nsToolkitProfile>> mProfiles;

  // The profile selected for use at startup, if it exists in profiles.ini.

  nsCOMPtr<nsIToolkitProfile> mCurrent;

  // The profile selected for this install in installs.ini.

  nsCOMPtr<nsIToolkitProfile> mDedicatedProfile;

  // The default profile used by non-dev-edition builds.

  nsCOMPtr<nsIToolkitProfile> mNormalDefault;

  // The profile used if mUseDevEditionProfile is true (the default on

  // dev-edition builds).

  nsCOMPtr<nsIToolkitProfile> mDevEditionDefault;

  // The directory that holds profiles.ini and profile directories.

  nsCOMPtr<nsIFile> mAppData;

  // The directory that holds the cache files for profiles.

  nsCOMPtr<nsIFile> mTempData;

  // The location of profiles.ini.

  nsCOMPtr<nsIFile> mProfileDBFile;

  // The location of installs.ini.

  nsCOMPtr<nsIFile> mInstallDBFile;

  // The data loaded from profiles.ini.

  nsINIParser mProfileDB;

  // The section in the profiles db for the current install.

  nsCString mInstallSection;

  // A legacy install section which may have been generated against an

  // installation directory with an incorrect case (see bug 1555319). It is only

  // really held here so that it can be overridden by tests.

  nsCString mLegacyInstallSection;

  // Whether to start with the selected profile by default.

  bool mStartWithLast;

  // True if during startup it appeared that this is the first run.

  bool mIsFirstRun;

  // True if the default profile is the separate dev-edition-profile.

  bool mUseDevEditionProfile;

  // True if this install should use a dedicated default profile.

  const bool mUseDedicatedProfile;

  nsString mStartupReason;

  // Records the version of the profiles.ini file as it was when it was loaded

  // during startup.

  nsCString mStartupFileVersion;

  bool mMaybeLockProfile;

  // Holds the current application update channel. This is only really held

  // so it can be overriden in tests.

  nsCString mUpdateChannel;

  // Keep track of some attributes of the databases so we can tell if another

  // process has changed them.

  bool mProfileDBExists;

  int64_t mProfileDBFileSize;

  PRTime mProfileDBModifiedTime;

  static nsToolkitProfileService* gService;

  class ProfileEnumerator final : public nsSimpleEnumerator {

   public:

    NS_DECL_NSISIMPLEENUMERATOR

    const nsID& DefaultInterface() override {

      return NS_GET_IID(nsIToolkitProfile);

    explicit ProfileEnumerator(nsToolkitProfile* first) { mCurrent = first; }

   private:

    RefPtr<nsToolkitProfile> mCurrent;

};

};

already_AddRefed<nsToolkitProfileService> NS_GetToolkitProfileService();

#endif