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| 1 /* | |
| 2 * Copyright (C) 2010 Google Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions are | |
| 6 * met: | |
| 7 * | |
| 8 * * Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * * Redistributions in binary form must reproduce the above | |
| 11 * copyright notice, this list of conditions and the following disclaimer | |
| 12 * in the documentation and/or other materials provided with the | |
| 13 * distribution. | |
| 14 * * Neither the name of Google Inc. nor the names of its | |
| 15 * contributors may be used to endorse or promote products derived from | |
| 16 * this software without specific prior written permission. | |
| 17 * | |
| 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 */ | |
| 30 | |
| 31 #ifndef DatabaseSync_h | |
| 32 #define DatabaseSync_h | |
| 33 | |
| 34 #include "bindings/core/v8/ScriptWrappable.h" | |
| 35 #include "modules/webdatabase/DatabaseBackendSync.h" | |
| 36 #include "modules/webdatabase/DatabaseBase.h" | |
| 37 #include "modules/webdatabase/DatabaseBasicTypes.h" | |
| 38 #include "platform/heap/Handle.h" | |
| 39 #include "wtf/Forward.h" | |
| 40 #include "wtf/text/WTFString.h" | |
| 41 | |
| 42 namespace blink { | |
| 43 | |
| 44 class DatabaseCallback; | |
| 45 class ExceptionState; | |
| 46 class SQLTransactionSync; | |
| 47 class SQLTransactionSyncCallback; | |
| 48 | |
| 49 // Instances of this class should be created and used only on the worker's conte
xt thread. | |
| 50 class DatabaseSync FINAL : public DatabaseBackendSync, public DatabaseBase, publ
ic ScriptWrappable { | |
| 51 DEFINE_WRAPPERTYPEINFO(); | |
| 52 public: | |
| 53 virtual ~DatabaseSync(); | |
| 54 virtual void trace(Visitor*) OVERRIDE; | |
| 55 | |
| 56 void changeVersion(const String& oldVersion, const String& newVersion, PassO
wnPtrWillBeRawPtr<SQLTransactionSyncCallback>, ExceptionState&); | |
| 57 void transaction(PassOwnPtrWillBeRawPtr<SQLTransactionSyncCallback>, Excepti
onState&); | |
| 58 void readTransaction(PassOwnPtrWillBeRawPtr<SQLTransactionSyncCallback>, Exc
eptionState&); | |
| 59 | |
| 60 virtual void closeImmediately() OVERRIDE; | |
| 61 void observeTransaction(SQLTransactionSync&); | |
| 62 | |
| 63 const String& lastErrorMessage() const { return m_lastErrorMessage; } | |
| 64 void setLastErrorMessage(const String& message) { m_lastErrorMessage = messa
ge; } | |
| 65 void setLastErrorMessage(const char* message, int sqliteCode, const char* sq
liteMessage) | |
| 66 { | |
| 67 setLastErrorMessage(String::format("%s (%d, %s)", message, sqliteCode, s
qliteMessage)); | |
| 68 } | |
| 69 | |
| 70 private: | |
| 71 DatabaseSync(DatabaseContext*, const String& name, | |
| 72 const String& expectedVersion, const String& displayName, unsigned long
estimatedSize); | |
| 73 static PassRefPtrWillBeRawPtr<DatabaseSync> create(ExecutionContext*, PassRe
fPtrWillBeRawPtr<DatabaseBackendBase>); | |
| 74 | |
| 75 void runTransaction(PassOwnPtrWillBeRawPtr<SQLTransactionSyncCallback>, bool
readOnly, ExceptionState&); | |
| 76 void rollbackTransaction(SQLTransactionSync&); | |
| 77 #if ENABLE(OILPAN) | |
| 78 class TransactionObserver { | |
| 79 public: | |
| 80 explicit TransactionObserver(SQLTransactionSync& transaction) : m_transa
ction(transaction) { } | |
| 81 ~TransactionObserver(); | |
| 82 | |
| 83 private: | |
| 84 SQLTransactionSync& m_transaction; | |
| 85 }; | |
| 86 | |
| 87 // Need a Persistent field because a HeapHashMap entry should be removed | |
| 88 // just after a SQLTransactionSync becomes untraceable. If this field was a | |
| 89 // Member<>, we could not assume the destruction order of DatabaseSync, | |
| 90 // SQLTransactionSync, and the field. We can not make the field static | |
| 91 // because multiple worker threads create SQLTransactionSync. | |
| 92 GC_PLUGIN_IGNORE("http://crbug.com/353083") | |
| 93 PersistentHeapHashMap<WeakMember<SQLTransactionSync>, OwnPtr<TransactionObse
rver> > m_observers; | |
| 94 #endif | |
| 95 | |
| 96 String m_lastErrorMessage; | |
| 97 | |
| 98 friend class DatabaseManager; | |
| 99 friend class DatabaseServer; // FIXME: remove this when the backend has been
split out. | |
| 100 }; | |
| 101 | |
| 102 } // namespace blink | |
| 103 | |
| 104 #endif // DatabaseSync_h | |
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Chromium Code Reviews
Issue 561093003:
Remove worker support of Web SQL Database. (Closed)
Base URL: svn://svn.chromium.org/blink/trunk