| /* |
| * 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/common/indexeddb/web_idb_types.h" |
| #include "third_party/blink/public/platform/modules/indexeddb/web_idb_cursor.h" |
| #include "third_party/blink/public/platform/modules/indexeddb/web_idb_database.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 IDBObjectStore; |
| |
| class IDBIndex final : public ScriptWrappable { |
| DEFINE_WRAPPERTYPEINFO(); |
| |
| public: |
| static IDBIndex* Create(scoped_refptr<IDBIndexMetadata> metadata, |
| IDBObjectStore* object_store, |
| IDBTransaction* transaction) { |
| return new IDBIndex(std::move(metadata), object_store, transaction); |
| } |
| ~IDBIndex() override; |
| void Trace(blink::Visitor*) 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; |
| bool unique() const { return Metadata().unique; } |
| bool multiEntry() const { return Metadata().multi_entry; } |
| |
| IDBRequest* openCursor(ScriptState*, |
| const ScriptValue& key, |
| const String& direction, |
| ExceptionState&); |
| IDBRequest* openKeyCursor(ScriptState*, |
| const ScriptValue& range, |
| const String& 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, |
| unsigned long 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&); |
| |
| 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*, |
| WebIDBCursorDirection, |
| IDBRequest::AsyncTraceState = IDBRequest::AsyncTraceState()); |
| |
| WebIDBDatabase* BackendDB() const; |
| |
| private: |
| IDBIndex(scoped_refptr<IDBIndexMetadata>, IDBObjectStore*, IDBTransaction*); |
| |
| const IDBIndexMetadata& Metadata() const { return *metadata_; } |
| |
| IDBRequest* GetInternal(ScriptState*, |
| const ScriptValue& key, |
| ExceptionState&, |
| bool key_only, |
| IDBRequest::AsyncTraceState metrics); |
| IDBRequest* GetAllInternal(ScriptState*, |
| const ScriptValue& range, |
| unsigned long max_count, |
| ExceptionState&, |
| bool key_only, |
| IDBRequest::AsyncTraceState metrics); |
| |
| 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_ |