| /* |
| * Copyright (C) 2008 Apple Inc. All Rights Reserved. |
| * Copyright (C) 2011 Google, 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 COMPUTER, 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 COMPUTER, 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_CONTEXT_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_MODULES_WEBDATABASE_DATABASE_CONTEXT_H_ |
| |
| #include "third_party/blink/renderer/core/execution_context/context_lifecycle_observer.h" |
| #include "third_party/blink/renderer/platform/heap/handle.h" |
| |
| namespace blink { |
| |
| class DatabaseContext; |
| class DatabaseThread; |
| class ExecutionContext; |
| class SecurityOrigin; |
| |
| class DatabaseContext final : public GarbageCollectedFinalized<DatabaseContext>, |
| public ContextLifecycleObserver { |
| USING_GARBAGE_COLLECTED_MIXIN(DatabaseContext); |
| |
| public: |
| friend class DatabaseManager; |
| |
| static DatabaseContext* Create(ExecutionContext*); |
| |
| explicit DatabaseContext(ExecutionContext*); |
| ~DatabaseContext(); |
| void Trace(blink::Visitor*) override; |
| |
| // For life-cycle management (inherited from ContextLifecycleObserver): |
| void ContextDestroyed(ExecutionContext*) override; |
| |
| DatabaseContext* Backend(); |
| DatabaseThread* GetDatabaseThread(); |
| bool DatabaseThreadAvailable(); |
| |
| void SetHasOpenDatabases() { has_open_databases_ = true; } |
| // Blocks the caller thread until cleanup tasks are completed. |
| void StopDatabases(); |
| |
| bool AllowDatabaseAccess() const; |
| |
| const SecurityOrigin* GetSecurityOrigin() const; |
| bool IsContextThread() const; |
| |
| private: |
| Member<DatabaseThread> database_thread_; |
| bool has_open_databases_; // This never changes back to false, even after the |
| // database thread is closed. |
| bool has_requested_termination_; |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_MODULES_WEBDATABASE_DATABASE_CONTEXT_H_ |