| /* |
| * Copyright (C) 2012 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_WEBDATABASE_DATABASE_MANAGER_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_MODULES_WEBDATABASE_DATABASE_MANAGER_H_ |
| |
| #include "third_party/blink/renderer/modules/webdatabase/database_context.h" |
| #include "third_party/blink/renderer/modules/webdatabase/database_error.h" |
| #include "third_party/blink/renderer/platform/heap/persistent.h" |
| #include "third_party/blink/renderer/platform/wtf/assertions.h" |
| #include "third_party/blink/renderer/platform/wtf/forward.h" |
| #include "third_party/blink/renderer/platform/wtf/hash_map.h" |
| |
| namespace blink { |
| |
| class Database; |
| class DatabaseContext; |
| class ExceptionState; |
| class ExecutionContext; |
| class SecurityOrigin; |
| class V8DatabaseCallback; |
| |
| class DatabaseManager { |
| WTF_MAKE_NONCOPYABLE(DatabaseManager); |
| USING_FAST_MALLOC(DatabaseManager); |
| |
| public: |
| static DatabaseManager& Manager(); |
| |
| // These 2 methods are for DatabaseContext (un)registration, and should only |
| // be called by the DatabaseContext constructor and destructor. |
| void RegisterDatabaseContext(DatabaseContext*); |
| void UnregisterDatabaseContext(DatabaseContext*); |
| |
| #if DCHECK_IS_ON() |
| void DidConstructDatabaseContext(); |
| void DidDestructDatabaseContext(); |
| #else |
| void DidConstructDatabaseContext() {} |
| void DidDestructDatabaseContext() {} |
| #endif |
| |
| static void ThrowExceptionForDatabaseError(DatabaseError, |
| const String& error_message, |
| ExceptionState&); |
| |
| Database* OpenDatabase(ExecutionContext*, |
| const String& name, |
| const String& expected_version, |
| const String& display_name, |
| unsigned estimated_size, |
| V8DatabaseCallback*, |
| DatabaseError&, |
| String& error_message); |
| |
| String FullPathForDatabase(const SecurityOrigin*, |
| const String& name, |
| bool create_if_does_not_exist = true); |
| |
| private: |
| DatabaseManager(); |
| ~DatabaseManager(); |
| |
| // This gets a DatabaseContext for the specified ExecutionContext. |
| // If one doesn't already exist, it will create a new one. |
| DatabaseContext* DatabaseContextFor(ExecutionContext*); |
| // This gets a DatabaseContext for the specified ExecutionContext if |
| // it already exist previously. Otherwise, it returns 0. |
| DatabaseContext* ExistingDatabaseContextFor(ExecutionContext*); |
| |
| Database* OpenDatabaseInternal(ExecutionContext*, |
| const String& name, |
| const String& expected_version, |
| const String& display_name, |
| unsigned estimated_size, |
| V8DatabaseCallback*, |
| bool set_version_in_new_database, |
| DatabaseError&, |
| String& error_message); |
| |
| static void LogErrorMessage(ExecutionContext*, const String& message); |
| |
| // m_contextMap can have two or more entries even though we don't support |
| // Web SQL on workers because single Blink process can have multiple main |
| // contexts. |
| typedef PersistentHeapHashMap<Member<ExecutionContext>, |
| Member<DatabaseContext>> |
| ContextMap; |
| ContextMap context_map_; |
| #if DCHECK_IS_ON() |
| int database_context_registered_count_ = 0; |
| int database_context_instance_count_ = 0; |
| #endif |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_MODULES_WEBDATABASE_DATABASE_MANAGER_H_ |