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comparison: dom/indexedDB/OpenDatabaseHelper.h
dom/indexedDB/OpenDatabaseHelper.h
- changeset 2
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| -1:000000000000 | 0:8682e3f4a987 |
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| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 #ifndef mozilla_dom_indexeddb_opendatabasehelper_h__ | |
| 6 #define mozilla_dom_indexeddb_opendatabasehelper_h__ | |
| 7 | |
| 8 #include "AsyncConnectionHelper.h" | |
| 9 | |
| 10 #include "nsIRunnable.h" | |
| 11 | |
| 12 #include "mozilla/dom/quota/StoragePrivilege.h" | |
| 13 | |
| 14 #include "DatabaseInfo.h" | |
| 15 #include "IDBDatabase.h" | |
| 16 #include "IDBRequest.h" | |
| 17 | |
| 18 class mozIStorageConnection; | |
| 19 | |
| 20 namespace mozilla { | |
| 21 namespace dom { | |
| 22 class ContentParent; | |
| 23 } | |
| 24 } | |
| 25 | |
| 26 BEGIN_INDEXEDDB_NAMESPACE | |
| 27 | |
| 28 class CheckPermissionsHelper; | |
| 29 | |
| 30 class OpenDatabaseHelper : public HelperBase | |
| 31 { | |
| 32 friend class CheckPermissionsHelper; | |
| 33 | |
| 34 typedef mozilla::dom::quota::PersistenceType PersistenceType; | |
| 35 typedef mozilla::dom::quota::StoragePrivilege StoragePrivilege; | |
| 36 | |
| 37 public: | |
| 38 OpenDatabaseHelper(IDBOpenDBRequest* aRequest, | |
| 39 const nsAString& aName, | |
| 40 const nsACString& aGroup, | |
| 41 const nsACString& aASCIIOrigin, | |
| 42 uint64_t aRequestedVersion, | |
| 43 PersistenceType aPersistenceType, | |
| 44 bool aForDeletion, | |
| 45 mozilla::dom::ContentParent* aContentParent, | |
| 46 StoragePrivilege aPrivilege) | |
| 47 : HelperBase(aRequest), mOpenDBRequest(aRequest), mName(aName), | |
| 48 mGroup(aGroup), mASCIIOrigin(aASCIIOrigin), | |
| 49 mRequestedVersion(aRequestedVersion), mPersistenceType(aPersistenceType), | |
| 50 mForDeletion(aForDeletion), mPrivilege(aPrivilege), | |
| 51 mContentParent(aContentParent), mCurrentVersion(0), mLastObjectStoreId(0), | |
| 52 mLastIndexId(0), mState(eCreated), mResultCode(NS_OK), | |
| 53 mLoadDBMetadata(false), | |
| 54 mTrackingQuota(aPrivilege != mozilla::dom::quota::Chrome) | |
| 55 { | |
| 56 NS_ASSERTION(!aForDeletion || !aRequestedVersion, | |
| 57 "Can't be for deletion and request a version!"); | |
| 58 } | |
| 59 | |
| 60 NS_DECL_THREADSAFE_ISUPPORTS | |
| 61 NS_DECL_NSIRUNNABLE | |
| 62 | |
| 63 nsresult Init(); | |
| 64 | |
| 65 nsresult WaitForOpenAllowed(); | |
| 66 nsresult Dispatch(nsIEventTarget* aDatabaseThread); | |
| 67 nsresult DispatchToIOThread(); | |
| 68 nsresult RunImmediately(); | |
| 69 | |
| 70 void SetError(nsresult rv) | |
| 71 { | |
| 72 NS_ASSERTION(NS_FAILED(rv), "Why are you telling me?"); | |
| 73 mResultCode = rv; | |
| 74 } | |
| 75 | |
| 76 virtual nsresult GetResultCode() MOZ_OVERRIDE | |
| 77 { | |
| 78 return mResultCode; | |
| 79 } | |
| 80 | |
| 81 nsresult NotifySetVersionFinished(); | |
| 82 nsresult NotifyDeleteFinished(); | |
| 83 void BlockDatabase(); | |
| 84 | |
| 85 const nsACString& Id() const | |
| 86 { | |
| 87 return mDatabaseId; | |
| 88 } | |
| 89 | |
| 90 IDBDatabase* Database() const | |
| 91 { | |
| 92 NS_ASSERTION(mDatabase, "Calling at the wrong time!"); | |
| 93 return mDatabase; | |
| 94 } | |
| 95 | |
| 96 const StoragePrivilege& Privilege() const | |
| 97 { | |
| 98 return mPrivilege; | |
| 99 } | |
| 100 | |
| 101 static | |
| 102 nsresult CreateDatabaseConnection(nsIFile* aDBFile, | |
| 103 nsIFile* aFMDirectory, | |
| 104 const nsAString& aName, | |
| 105 PersistenceType aPersistenceType, | |
| 106 const nsACString& aGroup, | |
| 107 const nsACString& aOrigin, | |
| 108 mozIStorageConnection** aConnection); | |
| 109 | |
| 110 protected: | |
| 111 // Methods only called on the main thread | |
| 112 nsresult EnsureSuccessResult(); | |
| 113 nsresult StartSetVersion(); | |
| 114 nsresult StartDelete(); | |
| 115 virtual nsresult GetSuccessResult(JSContext* aCx, | |
| 116 JS::MutableHandle<JS::Value> aVal) MOZ_OVERRIDE; | |
| 117 void DispatchSuccessEvent(); | |
| 118 void DispatchErrorEvent(); | |
| 119 virtual void ReleaseMainThreadObjects() MOZ_OVERRIDE; | |
| 120 | |
| 121 // Called by CheckPermissionsHelper on the main thread before dispatch. | |
| 122 void SetUnlimitedQuotaAllowed() | |
| 123 { | |
| 124 mTrackingQuota = false; | |
| 125 } | |
| 126 | |
| 127 // Methods only called on the DB thread | |
| 128 nsresult DoDatabaseWork(); | |
| 129 | |
| 130 // In-params. | |
| 131 nsRefPtr<IDBOpenDBRequest> mOpenDBRequest; | |
| 132 nsString mName; | |
| 133 nsCString mGroup; | |
| 134 nsCString mASCIIOrigin; | |
| 135 uint64_t mRequestedVersion; | |
| 136 PersistenceType mPersistenceType; | |
| 137 bool mForDeletion; | |
| 138 StoragePrivilege mPrivilege; | |
| 139 nsCString mDatabaseId; | |
| 140 mozilla::dom::ContentParent* mContentParent; | |
| 141 | |
| 142 // Out-params. | |
| 143 nsTArray<nsRefPtr<ObjectStoreInfo> > mObjectStores; | |
| 144 uint64_t mCurrentVersion; | |
| 145 nsString mDatabaseFilePath; | |
| 146 int64_t mLastObjectStoreId; | |
| 147 int64_t mLastIndexId; | |
| 148 nsRefPtr<IDBDatabase> mDatabase; | |
| 149 | |
| 150 // State variables | |
| 151 enum OpenDatabaseState { | |
| 152 eCreated = 0, // Not yet dispatched to the DB thread | |
| 153 eOpenPending, // Waiting for open allowed/open allowed | |
| 154 eDBWork, // Waiting to do/doing work on the DB thread | |
| 155 eFiringEvents, // Waiting to fire/firing events on the main thread | |
| 156 eSetVersionPending, // Waiting on a SetVersionHelper | |
| 157 eSetVersionCompleted, // SetVersionHelper is done | |
| 158 eDeletePending, // Waiting on a DeleteDatabaseHelper | |
| 159 eDeleteCompleted, // DeleteDatabaseHelper is done | |
| 160 }; | |
| 161 OpenDatabaseState mState; | |
| 162 nsresult mResultCode; | |
| 163 | |
| 164 nsRefPtr<FileManager> mFileManager; | |
| 165 | |
| 166 nsRefPtr<DatabaseInfo> mDBInfo; | |
| 167 bool mLoadDBMetadata; | |
| 168 bool mTrackingQuota; | |
| 169 }; | |
| 170 | |
| 171 END_INDEXEDDB_NAMESPACE | |
| 172 | |
| 173 #endif // mozilla_dom_indexeddb_opendatabasehelper_h__ |
