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diff --git a/content/renderer/indexed_db/renderer_webidbdatabase_impl.cc b/content/renderer/indexed_db/renderer_webidbdatabase_impl.cc
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+++ b/content/renderer/indexed_db/renderer_webidbdatabase_impl.cc
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+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "content/renderer/indexed_db/renderer_webidbdatabase_impl.h"
+
+#include "content/common/indexed_db/indexed_db_messages.h"
+#include "content/renderer/indexed_db/indexed_db_dispatcher.h"
+#include "content/renderer/indexed_db/renderer_webidbobjectstore_impl.h"
+#include "content/renderer/indexed_db/renderer_webidbtransaction_impl.h"
+#include "content/renderer/render_thread_impl.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebString.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebVector.h"
+#include "webkit/glue/worker_task_runner.h"
+
+using WebKit::WebDOMStringList;
+using WebKit::WebExceptionCode;
+using WebKit::WebFrame;
+using WebKit::WebIDBCallbacks;
+using WebKit::WebIDBDatabaseCallbacks;
+using WebKit::WebIDBTransaction;
+using WebKit::WebString;
+using WebKit::WebVector;
+using webkit_glue::WorkerTaskRunner;
+
+RendererWebIDBDatabaseImpl::RendererWebIDBDatabaseImpl(int32 idb_database_id)
+ : idb_database_id_(idb_database_id) {
+}
+
+RendererWebIDBDatabaseImpl::~RendererWebIDBDatabaseImpl() {
+ // It's not possible for there to be pending callbacks that address this
+ // object since inside WebKit, they hold a reference to the object which owns
+ // this object. But, if that ever changed, then we'd need to invalidate
+ // any such pointers.
+ ChildThread::current()->Send(new IndexedDBHostMsg_DatabaseDestroyed(
+ idb_database_id_));
+}
+
+WebString RendererWebIDBDatabaseImpl::name() const {
+ string16 result;
+ ChildThread::current()->Send(
+ new IndexedDBHostMsg_DatabaseName(idb_database_id_, &result));
+ return result;
+}
+
+WebString RendererWebIDBDatabaseImpl::version() const {
+ string16 result;
+ ChildThread::current()->Send(
+ new IndexedDBHostMsg_DatabaseVersion(idb_database_id_, &result));
+ return result;
+}
+
+WebDOMStringList RendererWebIDBDatabaseImpl::objectStoreNames() const {
+ std::vector<string16> result;
+ ChildThread::current()->Send(
+ new IndexedDBHostMsg_DatabaseObjectStoreNames(idb_database_id_, &result));
+ WebDOMStringList webResult;
+ for (std::vector<string16>::const_iterator it = result.begin();
+ it != result.end(); ++it) {
+ webResult.append(*it);
+ }
+ return webResult;
+}
+
+WebKit::WebIDBObjectStore* RendererWebIDBDatabaseImpl::createObjectStore(
+ const WebKit::WebString& name,
+ const WebKit::WebString& key_path,
+ bool auto_increment,
+ const WebKit::WebIDBTransaction& transaction,
+ WebExceptionCode& ec) {
+ IndexedDBHostMsg_DatabaseCreateObjectStore_Params params;
+ params.name = name;
+ params.key_path = key_path;
+ params.auto_increment = auto_increment;
+ params.transaction_id = IndexedDBDispatcher::TransactionId(transaction);
+ params.idb_database_id = idb_database_id_;
+
+ int object_store;
+ ChildThread::current()->Send(
+ new IndexedDBHostMsg_DatabaseCreateObjectStore(
+ params, &object_store, &ec));
+ if (!object_store)
+ return NULL;
+ return new RendererWebIDBObjectStoreImpl(object_store);
+}
+
+void RendererWebIDBDatabaseImpl::deleteObjectStore(
+ const WebString& name,
+ const WebIDBTransaction& transaction,
+ WebExceptionCode& ec) {
+ ChildThread::current()->Send(
+ new IndexedDBHostMsg_DatabaseDeleteObjectStore(
+ idb_database_id_, name,
+ IndexedDBDispatcher::TransactionId(transaction), &ec));
+}
+
+void RendererWebIDBDatabaseImpl::setVersion(
+ const WebString& version,
+ WebIDBCallbacks* callbacks,
+ WebExceptionCode& ec) {
+ IndexedDBDispatcher* dispatcher =
+ IndexedDBDispatcher::ThreadSpecificInstance();
+ dispatcher->RequestIDBDatabaseSetVersion(
+ version, callbacks, idb_database_id_, &ec);
+}
+
+WebKit::WebIDBTransaction* RendererWebIDBDatabaseImpl::transaction(
+ const WebDOMStringList& names,
+ unsigned short mode,
+ WebExceptionCode& ec) {
+ std::vector<string16> object_stores;
+ object_stores.reserve(names.length());
+ for (unsigned int i = 0; i < names.length(); ++i)
+ object_stores.push_back(names.item(i));
+
+ int transaction_id;
+ ChildThread::current()->Send(new IndexedDBHostMsg_DatabaseTransaction(
+ WorkerTaskRunner::Instance()->CurrentWorkerId(),
+ idb_database_id_, object_stores, mode, &transaction_id, &ec));
+ if (!transaction_id)
+ return NULL;
+ return new RendererWebIDBTransactionImpl(transaction_id);
+}
+
+void RendererWebIDBDatabaseImpl::close() {
+ IndexedDBDispatcher* dispatcher =
+ IndexedDBDispatcher::ThreadSpecificInstance();
+ dispatcher->RequestIDBDatabaseClose(idb_database_id_);
+}
+
+void RendererWebIDBDatabaseImpl::open(WebIDBDatabaseCallbacks* callbacks) {
+ IndexedDBDispatcher* dispatcher =
+ IndexedDBDispatcher::ThreadSpecificInstance();
+ DCHECK(dispatcher);
+ dispatcher->RequestIDBDatabaseOpen(callbacks, idb_database_id_);
+}