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      1 /*
      2  * Copyright (C) 2008 Apple 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
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
     17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #include "config.h"
     27 #include "LocalStorageTask.h"
     28 
     29 #if ENABLE(DOM_STORAGE)
     30 
     31 #include "LocalStorageThread.h"
     32 #include "StorageAreaSync.h"
     33 #include "StorageTracker.h"
     34 
     35 namespace WebCore {
     36 
     37 LocalStorageTask::LocalStorageTask(Type type, StorageAreaSync* area)
     38     : m_type(type)
     39     , m_area(area)
     40     , m_thread(0)
     41 {
     42     ASSERT(m_area);
     43     ASSERT(m_type == AreaImport || m_type == AreaSync || m_type == DeleteEmptyDatabase);
     44 }
     45 
     46 LocalStorageTask::LocalStorageTask(Type type, LocalStorageThread* thread)
     47     : m_type(type)
     48     , m_area(0)
     49     , m_thread(thread)
     50 {
     51     ASSERT(m_thread);
     52     ASSERT(m_type == TerminateThread);
     53 }
     54 
     55 LocalStorageTask::LocalStorageTask(Type type)
     56     : m_type(type)
     57 {
     58     ASSERT(m_type == ImportOrigins || m_type == DeleteAllOrigins);
     59 }
     60 
     61 LocalStorageTask::LocalStorageTask(Type type, const String& originIdentifier)
     62     : m_type(type)
     63     , m_originIdentifier(originIdentifier)
     64 {
     65     ASSERT(m_type == DeleteOrigin);
     66 }
     67 
     68 LocalStorageTask::LocalStorageTask(Type type, const String& originIdentifier, const String& databaseFilename)
     69     : m_type(type)
     70     , m_originIdentifier(originIdentifier)
     71     , m_databaseFilename(databaseFilename)
     72 {
     73     ASSERT(m_type == SetOriginDetails);
     74 }
     75 
     76 LocalStorageTask::~LocalStorageTask()
     77 {
     78 }
     79 
     80 void LocalStorageTask::performTask()
     81 {
     82     switch (m_type) {
     83         case AreaImport:
     84             m_area->performImport();
     85             break;
     86         case AreaSync:
     87             m_area->performSync();
     88             break;
     89         case SetOriginDetails:
     90             StorageTracker::tracker().syncSetOriginDetails(m_originIdentifier, m_databaseFilename);
     91             break;
     92         case ImportOrigins:
     93             StorageTracker::tracker().syncImportOriginIdentifiers();
     94             break;
     95         case DeleteAllOrigins:
     96             StorageTracker::tracker().syncDeleteAllOrigins();
     97             break;
     98         case DeleteOrigin:
     99             StorageTracker::tracker().syncDeleteOrigin(m_originIdentifier);
    100             break;
    101         case DeleteEmptyDatabase:
    102             m_area->deleteEmptyDatabase();
    103             break;
    104         case TerminateThread:
    105             m_thread->performTerminate();
    106             break;
    107     }
    108 }
    109 
    110 }
    111 
    112 #endif // ENABLE(DOM_STORAGE)
    113