| OLD | NEW |
|---|
| (Empty) |
| 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_CURSOR_IMPL_H_ | |
| 6 #define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_CURSOR_IMPL_H_ | |
| 7 | |
| 8 #include <vector> | |
| 9 | |
| 10 #include "base/basictypes.h" | |
| 11 #include "base/memory/ref_counted.h" | |
| 12 #include "base/memory/scoped_ptr.h" | |
| 13 #include "content/browser/indexed_db/indexed_db_backing_store.h" | |
| 14 #include "content/browser/indexed_db/indexed_db_cursor.h" | |
| 15 #include "content/browser/indexed_db/indexed_db_database.h" | |
| 16 #include "content/common/indexed_db/indexed_db_key_range.h" | |
| 17 | |
| 18 namespace content { | |
| 19 | |
| 20 class IndexedDBDatabaseImpl; | |
| 21 class IndexedDBTransaction; | |
| 22 | |
| 23 class IndexedDBCursorImpl : public IndexedDBCursor { | |
| 24 public: | |
| 25 static scoped_refptr<IndexedDBCursorImpl> Create( | |
| 26 scoped_ptr<IndexedDBBackingStore::Cursor> cursor, | |
| 27 indexed_db::CursorType cursor_type, | |
| 28 IndexedDBTransaction* transaction) { | |
| 29 return make_scoped_refptr( | |
| 30 new IndexedDBCursorImpl(cursor.Pass(), | |
| 31 cursor_type, | |
| 32 IndexedDBDatabase::NORMAL_TASK, | |
| 33 transaction)); | |
| 34 } | |
| 35 static scoped_refptr<IndexedDBCursorImpl> Create( | |
| 36 scoped_ptr<IndexedDBBackingStore::Cursor> cursor, | |
| 37 indexed_db::CursorType cursor_type, | |
| 38 IndexedDBDatabase::TaskType task_type, | |
| 39 IndexedDBTransaction* transaction) { | |
| 40 return make_scoped_refptr(new IndexedDBCursorImpl( | |
| 41 cursor.Pass(), cursor_type, task_type, transaction)); | |
| 42 } | |
| 43 | |
| 44 // IndexedDBCursor | |
| 45 virtual void Advance(uint32 count, | |
| 46 scoped_refptr<IndexedDBCallbacksWrapper> callbacks) | |
| 47 OVERRIDE; | |
| 48 virtual void ContinueFunction( | |
| 49 scoped_ptr<IndexedDBKey> key, | |
| 50 scoped_refptr<IndexedDBCallbacksWrapper> callbacks) OVERRIDE; | |
| 51 virtual void PrefetchContinue( | |
| 52 int number_to_fetch, | |
| 53 scoped_refptr<IndexedDBCallbacksWrapper> callbacks) OVERRIDE; | |
| 54 virtual void PrefetchReset(int used_prefetches, int unused_prefetches) | |
| 55 OVERRIDE; | |
| 56 virtual void PostSuccessHandlerCallback() OVERRIDE {} | |
| 57 | |
| 58 const IndexedDBKey& key() const { return cursor_->key(); } | |
| 59 const IndexedDBKey& primary_key() const { return cursor_->primary_key(); } | |
| 60 std::vector<char>* Value() const { | |
| 61 return (cursor_type_ == indexed_db::CURSOR_KEY_ONLY) ? NULL | |
| 62 : cursor_->Value(); | |
| 63 } | |
| 64 void Close(); | |
| 65 | |
| 66 private: | |
| 67 IndexedDBCursorImpl(scoped_ptr<IndexedDBBackingStore::Cursor> cursor, | |
| 68 indexed_db::CursorType cursor_type, | |
| 69 IndexedDBDatabase::TaskType task_type, | |
| 70 IndexedDBTransaction* transaction); | |
| 71 virtual ~IndexedDBCursorImpl(); | |
| 72 | |
| 73 class CursorIterationOperation; | |
| 74 class CursorAdvanceOperation; | |
| 75 class CursorPrefetchIterationOperation; | |
| 76 | |
| 77 IndexedDBDatabase::TaskType task_type_; | |
| 78 indexed_db::CursorType cursor_type_; | |
| 79 const scoped_refptr<IndexedDBTransaction> transaction_; | |
| 80 | |
| 81 // Must be destroyed before transaction_. | |
| 82 scoped_ptr<IndexedDBBackingStore::Cursor> cursor_; | |
| 83 // Must be destroyed before transaction_. | |
| 84 scoped_ptr<IndexedDBBackingStore::Cursor> saved_cursor_; | |
| 85 | |
| 86 bool closed_; | |
| 87 }; | |
| 88 | |
| 89 } // namespace content | |
| 90 | |
| 91 #endif // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_CURSOR_IMPL_H_ | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 16581002:
IndexedDB: Eliminate interfaces for IndexedDB{Factory,Database,Cursor} (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src