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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CONTENT_CHILD_INDEXED_DB_PROXY_WEBIDBCURSOR_IMPL_H_ | 5 #ifndef CONTENT_CHILD_INDEXED_DB_PROXY_WEBIDBCURSOR_IMPL_H_ |
6 #define CONTENT_CHILD_INDEXED_DB_PROXY_WEBIDBCURSOR_IMPL_H_ | 6 #define CONTENT_CHILD_INDEXED_DB_PROXY_WEBIDBCURSOR_IMPL_H_ |
7 | 7 |
8 #include <deque> | 8 #include <deque> |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
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30 virtual ~RendererWebIDBCursorImpl(); | 30 virtual ~RendererWebIDBCursorImpl(); |
31 | 31 |
32 virtual void advance(unsigned long count, blink::WebIDBCallbacks* callback); | 32 virtual void advance(unsigned long count, blink::WebIDBCallbacks* callback); |
33 virtual void continueFunction(const blink::WebIDBKey& key, | 33 virtual void continueFunction(const blink::WebIDBKey& key, |
34 blink::WebIDBCallbacks* callback); | 34 blink::WebIDBCallbacks* callback); |
35 virtual void continueFunction(const blink::WebIDBKey& key, | 35 virtual void continueFunction(const blink::WebIDBKey& key, |
36 const blink::WebIDBKey& primary_key, | 36 const blink::WebIDBKey& primary_key, |
37 blink::WebIDBCallbacks* callback); | 37 blink::WebIDBCallbacks* callback); |
38 virtual void postSuccessHandlerCallback(); | 38 virtual void postSuccessHandlerCallback(); |
39 | 39 |
40 void SetPrefetchData(const std::vector<IndexedDBKey>& keys, | 40 void SetPrefetchData( |
41 const std::vector<IndexedDBKey>& primary_keys, | 41 const std::vector<IndexedDBKey>& keys, |
42 const std::vector<blink::WebData>& values); | 42 const std::vector<IndexedDBKey>& primary_keys, |
| 43 const std::vector<blink::WebData>& values, |
| 44 const std::vector<blink::WebVector<blink::WebBlobInfo> >& blob_info); |
43 | 45 |
44 void CachedContinue(blink::WebIDBCallbacks* callbacks); | 46 void CachedContinue(blink::WebIDBCallbacks* callbacks); |
45 void ResetPrefetchCache(); | 47 void ResetPrefetchCache(); |
46 | 48 |
47 private: | 49 private: |
48 FRIEND_TEST_ALL_PREFIXES(RendererWebIDBCursorImplTest, PrefetchTest); | 50 FRIEND_TEST_ALL_PREFIXES(RendererWebIDBCursorImplTest, PrefetchTest); |
49 | 51 |
50 int32 ipc_cursor_id_; | 52 int32 ipc_cursor_id_; |
51 | 53 |
52 // Prefetch cache. | 54 // Prefetch cache. |
53 std::deque<IndexedDBKey> prefetch_keys_; | 55 std::deque<IndexedDBKey> prefetch_keys_; |
54 std::deque<IndexedDBKey> prefetch_primary_keys_; | 56 std::deque<IndexedDBKey> prefetch_primary_keys_; |
55 std::deque<blink::WebData> prefetch_values_; | 57 std::deque<blink::WebData> prefetch_values_; |
| 58 std::deque<blink::WebVector<blink::WebBlobInfo> > prefetch_blob_info_; |
56 | 59 |
57 // Number of continue calls that would qualify for a pre-fetch. | 60 // Number of continue calls that would qualify for a pre-fetch. |
58 int continue_count_; | 61 int continue_count_; |
59 | 62 |
60 // Number of items used from the last prefetch. | 63 // Number of items used from the last prefetch. |
61 int used_prefetches_; | 64 int used_prefetches_; |
62 | 65 |
63 // Number of onsuccess handlers we are waiting for. | 66 // Number of onsuccess handlers we are waiting for. |
64 int pending_onsuccess_callbacks_; | 67 int pending_onsuccess_callbacks_; |
65 | 68 |
66 // Number of items to request in next prefetch. | 69 // Number of items to request in next prefetch. |
67 int prefetch_amount_; | 70 int prefetch_amount_; |
68 | 71 |
69 scoped_refptr<ThreadSafeSender> thread_safe_sender_; | 72 scoped_refptr<ThreadSafeSender> thread_safe_sender_; |
70 | 73 |
71 enum { kInvalidCursorId = -1 }; | 74 enum { kInvalidCursorId = -1 }; |
72 enum { kPrefetchContinueThreshold = 2 }; | 75 enum { kPrefetchContinueThreshold = 2 }; |
73 enum { kMinPrefetchAmount = 5 }; | 76 enum { kMinPrefetchAmount = 5 }; |
74 enum { kMaxPrefetchAmount = 100 }; | 77 enum { kMaxPrefetchAmount = 100 }; |
75 }; | 78 }; |
76 | 79 |
77 } // namespace content | 80 } // namespace content |
78 | 81 |
79 #endif // CONTENT_CHILD_INDEXED_DB_PROXY_WEBIDBCURSOR_IMPL_H_ | 82 #endif // CONTENT_CHILD_INDEXED_DB_PROXY_WEBIDBCURSOR_IMPL_H_ |
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