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      1 /*
      2  * Copyright (C) 2013 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/DatabaseClient.h"
     33 
     34 #include "core/dom/Document.h"
     35 #include "core/inspector/InspectorController.h"
     36 #include "core/page/Page.h"
     37 #include "modules/webdatabase/Database.h"
     38 #include "modules/webdatabase/InspectorDatabaseAgent.h"
     39 
     40 namespace blink {
     41 
     42 DatabaseClient::DatabaseClient()
     43     : m_inspectorAgent(0)
     44 { }
     45 
     46 DatabaseClient* DatabaseClient::from(ExecutionContext* context)
     47 {
     48     return static_cast<DatabaseClient*>(WillBeHeapSupplement<Page>::from(toDocument(context)->page(), supplementName()));
     49 }
     50 
     51 const char* DatabaseClient::supplementName()
     52 {
     53     return "DatabaseClient";
     54 }
     55 
     56 void DatabaseClient::didOpenDatabase(PassRefPtrWillBeRawPtr<Database> database, const String& domain, const String& name, const String& version)
     57 {
     58     if (m_inspectorAgent)
     59         m_inspectorAgent->didOpenDatabase(database, domain, name, version);
     60 }
     61 
     62 void DatabaseClient::createInspectorAgentFor(Page* page)
     63 {
     64     ASSERT(!m_inspectorAgent);
     65     OwnPtrWillBeRawPtr<InspectorDatabaseAgent> inspectorAgent = InspectorDatabaseAgent::create();
     66     m_inspectorAgent = inspectorAgent.get();
     67     page->inspectorController().registerModuleAgent(inspectorAgent.release());
     68 }
     69 
     70 void provideDatabaseClientTo(Page& page, PassOwnPtrWillBeRawPtr<DatabaseClient> client)
     71 {
     72     DatabaseClient* clientPtr = client.get();
     73     page.provideSupplement(DatabaseClient::supplementName(), client);
     74     clientPtr->createInspectorAgentFor(&page);
     75 }
     76 
     77 } // namespace blink
     78