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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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27 public: | 27 public: |
28 RendererWebIDBCursorImpl(int32 ipc_cursor_id, | 28 RendererWebIDBCursorImpl(int32 ipc_cursor_id, |
29 ThreadSafeSender* thread_safe_sender); | 29 ThreadSafeSender* thread_safe_sender); |
30 virtual ~RendererWebIDBCursorImpl(); | 30 virtual ~RendererWebIDBCursorImpl(); |
31 | 31 |
32 virtual void advance(unsigned long count, WebKit::WebIDBCallbacks* callback); | 32 virtual void advance(unsigned long count, WebKit::WebIDBCallbacks* callback); |
33 virtual void continueFunction(const WebKit::WebIDBKey& key, | 33 virtual void continueFunction(const WebKit::WebIDBKey& key, |
34 WebKit::WebIDBCallbacks* callback); | 34 WebKit::WebIDBCallbacks* callback); |
35 virtual void postSuccessHandlerCallback(); | 35 virtual void postSuccessHandlerCallback(); |
36 | 36 |
37 void SetPrefetchData(const std::vector<IndexedDBKey>& keys, | 37 void SetPrefetchData( |
38 const std::vector<IndexedDBKey>& primary_keys, | 38 const std::vector<IndexedDBKey>& keys, |
39 const std::vector<WebKit::WebData>& values); | 39 const std::vector<IndexedDBKey>& primary_keys, |
| 40 const std::vector<WebKit::WebData>& values, |
| 41 const std::vector<WebKit::WebVector<WebKit::WebBlobInfo> >& blob_info); |
40 | 42 |
41 void CachedContinue(WebKit::WebIDBCallbacks* callbacks); | 43 void CachedContinue(WebKit::WebIDBCallbacks* callbacks); |
42 void ResetPrefetchCache(); | 44 void ResetPrefetchCache(); |
43 | 45 |
44 private: | 46 private: |
45 FRIEND_TEST_ALL_PREFIXES(RendererWebIDBCursorImplTest, PrefetchTest); | 47 FRIEND_TEST_ALL_PREFIXES(RendererWebIDBCursorImplTest, PrefetchTest); |
46 | 48 |
47 int32 ipc_cursor_id_; | 49 int32 ipc_cursor_id_; |
48 | 50 |
49 // Prefetch cache. | 51 // Prefetch cache. |
50 std::deque<IndexedDBKey> prefetch_keys_; | 52 std::deque<IndexedDBKey> prefetch_keys_; |
51 std::deque<IndexedDBKey> prefetch_primary_keys_; | 53 std::deque<IndexedDBKey> prefetch_primary_keys_; |
52 std::deque<WebKit::WebData> prefetch_values_; | 54 std::deque<WebKit::WebData> prefetch_values_; |
| 55 std::deque<WebKit::WebVector<WebKit::WebBlobInfo> > prefetch_blob_info_; |
53 | 56 |
54 // Number of continue calls that would qualify for a pre-fetch. | 57 // Number of continue calls that would qualify for a pre-fetch. |
55 int continue_count_; | 58 int continue_count_; |
56 | 59 |
57 // Number of items used from the last prefetch. | 60 // Number of items used from the last prefetch. |
58 int used_prefetches_; | 61 int used_prefetches_; |
59 | 62 |
60 // Number of onsuccess handlers we are waiting for. | 63 // Number of onsuccess handlers we are waiting for. |
61 int pending_onsuccess_callbacks_; | 64 int pending_onsuccess_callbacks_; |
62 | 65 |
63 // Number of items to request in next prefetch. | 66 // Number of items to request in next prefetch. |
64 int prefetch_amount_; | 67 int prefetch_amount_; |
65 | 68 |
66 scoped_refptr<ThreadSafeSender> thread_safe_sender_; | 69 scoped_refptr<ThreadSafeSender> thread_safe_sender_; |
67 | 70 |
68 enum { kInvalidCursorId = -1 }; | 71 enum { kInvalidCursorId = -1 }; |
69 enum { kPrefetchContinueThreshold = 2 }; | 72 enum { kPrefetchContinueThreshold = 2 }; |
70 enum { kMinPrefetchAmount = 5 }; | 73 enum { kMinPrefetchAmount = 5 }; |
71 enum { kMaxPrefetchAmount = 100 }; | 74 enum { kMaxPrefetchAmount = 100 }; |
72 }; | 75 }; |
73 | 76 |
74 } // namespace content | 77 } // namespace content |
75 | 78 |
76 #endif // CONTENT_CHILD_INDEXED_DB_PROXY_WEBIDBCURSOR_IMPL_H_ | 79 #endif // CONTENT_CHILD_INDEXED_DB_PROXY_WEBIDBCURSOR_IMPL_H_ |
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