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Side by Side Diff: content/child/indexed_db/proxy_webidbcursor_impl.h

Issue 18023022: Blob support for IDB [Chromium] (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Handle the rest of Josh's feedback. Created 7 years ago
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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
(...skipping 19 matching lines...) Expand all
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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