Support renaming of IndexedDB indexes and object stores.

third_party/WebKit/Source/modules/indexeddb/IDBIndex.cpp

 /*
  * Copyright (C) 2010 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
@@ skipping 47 matching lines @@
 IDBIndex::~IDBIndex()
 {
 }
 
 DEFINE_TRACE(IDBIndex)
 {
     visitor->trace(m_objectStore);
     visitor->trace(m_transaction);
 }
 
+void IDBIndex::setName(const String& name, ExceptionState& exceptionState)
+{
+    if (!RuntimeEnabledFeatures::indexedDBExperimentalEnabled())
+        return;
+
+    IDB_TRACE("IDBIndex::setName");
+    if (!m_transaction->isVersionChange()) {
+        exceptionState.throwDOMException(InvalidStateError, IDBDatabase::notVersionChangeTransactionErrorMessage);
+        return;
+    }
+    if (isDeleted()) {
+        exceptionState.throwDOMException(InvalidStateError, IDBDatabase::indexDeletedErrorMessage);
+        return;
+    }
+    if (m_transaction->isFinished() || m_transaction->isFinishing()) {
+        exceptionState.throwDOMException(TransactionInactiveError, IDBDatabase::transactionFinishedErrorMessage);
+        return;
+    }
+    if (!m_transaction->isActive()) {
+        exceptionState.throwDOMException(TransactionInactiveError, IDBDatabase::transactionInactiveErrorMessage);
+        return;
+    }
+
+    if (m_metadata.name == name)
+        return;
+    if (m_objectStore->containsIndex(name)) {
+        exceptionState.throwDOMException(ConstraintError, IDBDatabase::indexNameTakenErrorMessage);
+        return;
+    }
+    if (!backendDB()) {
+        exceptionState.throwDOMException(InvalidStateError, IDBDatabase::databaseClosedErrorMessage);
+        return;
+    }
+
+    backendDB()->renameIndex(m_transaction->id(), m_objectStore->id(), id(), name);
+    m_objectStore->indexWillBeRenamed(m_metadata.name, name);
+    m_metadata.name = name;
+    m_transaction->db()->indexRenamed(m_objectStore->id(), id(), name);
+}
+
 ScriptValue IDBIndex::keyPath(ScriptState* scriptState) const
 {
     return ScriptValue::from(scriptState, m_metadata.keyPath);
 }
 
 IDBRequest* IDBIndex::openCursor(ScriptState* scriptState, const ScriptValue& range, const String& directionString, ExceptionState& exceptionState)
 {
     IDB_TRACE("IDBIndex::openCursor");
     if (isDeleted()) {
         exceptionState.throwDOMException(InvalidStateError, IDBDatabase::indexDeletedErrorMessage);
@@ skipping 189 matching lines @@
 {
     return m_transaction->backendDB();
 }
 
 bool IDBIndex::isDeleted() const
 {
     return m_deleted || m_objectStore->isDeleted();
 }
 
 } // namespace blink