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      1 /*
      2  * Copyright (C) 2009 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 #include "config.h"
     32 #include "modules/webdatabase/SQLTransactionClient.h"
     33 
     34 #include "core/dom/CrossThreadTask.h"
     35 #include "core/dom/ExecutionContext.h"
     36 #include "modules/webdatabase/Database.h"
     37 #include "modules/webdatabase/DatabaseContext.h"
     38 #include "platform/weborigin/DatabaseIdentifier.h"
     39 #include "platform/weborigin/SecurityOrigin.h"
     40 #include "public/platform/Platform.h"
     41 #include "public/platform/WebDatabaseObserver.h"
     42 #include "wtf/Functional.h"
     43 
     44 namespace blink {
     45 
     46 static void databaseModified(Database* database)
     47 {
     48     if (Platform::current()->databaseObserver()) {
     49         Platform::current()->databaseObserver()->databaseModified(
     50             createDatabaseIdentifierFromSecurityOrigin(database->securityOrigin()),
     51             database->stringIdentifier());
     52     }
     53 }
     54 
     55 void SQLTransactionClient::didCommitWriteTransaction(Database* database)
     56 {
     57     ExecutionContext* executionContext = database->databaseContext()->executionContext();
     58     if (!executionContext->isContextThread()) {
     59         executionContext->postTask(createCrossThreadTask(&databaseModified, PassRefPtrWillBeRawPtr<Database>(database)));
     60         return;
     61     }
     62 
     63     databaseModified(database);
     64 }
     65 
     66 bool SQLTransactionClient::didExceedQuota(Database* database)
     67 {
     68     // Chromium does not allow users to manually change the quota for an origin (for now, at least).
     69     // Don't do anything.
     70     ASSERT(database->databaseContext()->executionContext()->isContextThread());
     71     return false;
     72 }
     73 
     74 } // namespace blink
     75