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/*
* 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
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_INDEXEDDB_IDB_INDEX_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_INDEXEDDB_IDB_INDEX_H_
#include "third_party/blink/public/mojom/indexeddb/indexeddb.mojom-blink-forward.h"
#include "third_party/blink/renderer/modules/indexeddb/idb_cursor.h"
#include "third_party/blink/renderer/modules/indexeddb/idb_key_path.h"
#include "third_party/blink/renderer/modules/indexeddb/idb_key_range.h"
#include "third_party/blink/renderer/modules/indexeddb/idb_metadata.h"
#include "third_party/blink/renderer/modules/indexeddb/idb_request.h"
#include "third_party/blink/renderer/platform/bindings/script_wrappable.h"
#include "third_party/blink/renderer/platform/wtf/forward.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
namespace blink {
class ExceptionState;
class IDBGetAllRecordsOptions;
class IDBObjectStore;
class IDBIndex final : public ScriptWrappable {
DEFINE_WRAPPERTYPEINFO();
public:
IDBIndex(scoped_refptr<IDBIndexMetadata>, IDBObjectStore*, IDBTransaction*);
~IDBIndex() override;
void Trace(Visitor*) const override;
// Implement the IDL
const String& name() const { return Metadata().name; }
void setName(const String& name, ExceptionState&);
IDBObjectStore* objectStore() const { return object_store_.Get(); }
ScriptValue keyPath(ScriptState*) const;
// Per spec prose, keyPath attribute should return the same object each time
// (if it is not just a primitive type). The IDL cannot use [SameObject]
// because the key path may not be an 'object'. So use [CachedAttribute],
// but never dirty the cache.
bool IsKeyPathDirty() const { return false; }
bool unique() const { return Metadata().unique; }
bool multiEntry() const { return Metadata().multi_entry; }
IDBRequest* openCursor(ScriptState*,
const ScriptValue& key,
const V8IDBCursorDirection& direction,
ExceptionState&);
IDBRequest* openKeyCursor(ScriptState*,
const ScriptValue& range,
const V8IDBCursorDirection& direction,
ExceptionState&);
IDBRequest* count(ScriptState*, const ScriptValue& range, ExceptionState&);
IDBRequest* get(ScriptState*, const ScriptValue& key, ExceptionState&);
IDBRequest* getAll(ScriptState*, const ScriptValue& range, ExceptionState&);
IDBRequest* getAll(ScriptState*,
const ScriptValue& range,
uint32_t max_count,
ExceptionState&);
IDBRequest* getKey(ScriptState*, const ScriptValue& key, ExceptionState&);
IDBRequest* getAllKeys(ScriptState*,
const ScriptValue& range,
ExceptionState&);
IDBRequest* getAllKeys(ScriptState*,
const ScriptValue& range,
uint32_t max_count,
ExceptionState&);
IDBRequest* getAllRecords(ScriptState*,
const IDBGetAllRecordsOptions* options,
ExceptionState&);
void MarkDeleted() {
DCHECK(transaction_->IsVersionChange())
<< "Index deleted outside versionchange transaction.";
deleted_ = true;
}
bool IsDeleted() const { return deleted_; }
int64_t Id() const { return Metadata().id; }
// True if this index was created in its associated transaction.
// Only valid if the index's associated transaction is a versionchange.
bool IsNewlyCreated(
const IDBObjectStoreMetadata& old_object_store_metadata) const {
DCHECK(transaction_->IsVersionChange());
// Index IDs are allocated sequentially, so we can tell if an index was
// created in this transaction by comparing its ID against the object
// store's maximum index ID at the time when the transaction was started.
return Id() > old_object_store_metadata.max_index_id;
}
void RevertMetadata(scoped_refptr<IDBIndexMetadata> old_metadata);
// Used internally and by InspectorIndexedDBAgent:
IDBRequest* openCursor(
ScriptState*,
IDBKeyRange*,
mojom::IDBCursorDirection,
IDBRequest::AsyncTraceState = IDBRequest::AsyncTraceState());
IDBDatabase& db();
private:
const IDBIndexMetadata& Metadata() const { return *metadata_; }
IDBRequest* GetInternal(ScriptState*,
const ScriptValue& key,
ExceptionState&,
bool key_only,
IDBRequest::AsyncTraceState metrics);
IDBRequest* CreateGetAllRequest(IDBRequest::TypeForMetrics,
ScriptState*,
const ScriptValue& range,
mojom::blink::IDBGetAllResultType result_type,
uint32_t max_count,
mojom::blink::IDBCursorDirection direction,
ExceptionState&);
scoped_refptr<IDBIndexMetadata> metadata_;
Member<IDBObjectStore> object_store_;
Member<IDBTransaction> transaction_;
bool deleted_ = false;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_INDEXEDDB_IDB_INDEX_H_
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