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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 #include "content/child/indexed_db/proxy_webidbcursor_impl.h" | 5 #include "content/child/indexed_db/proxy_webidbcursor_impl.h" |
6 | 6 |
7 #include <vector> | 7 #include <vector> |
8 | 8 |
9 #include "content/child/thread_safe_sender.h" | 9 #include "content/child/thread_safe_sender.h" |
10 #include "content/child/indexed_db/indexed_db_dispatcher.h" | 10 #include "content/child/indexed_db/indexed_db_dispatcher.h" |
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31 // object since inside WebKit, they hold a reference to the object which owns | 31 // object since inside WebKit, they hold a reference to the object which owns |
32 // this object. But, if that ever changed, then we'd need to invalidate | 32 // this object. But, if that ever changed, then we'd need to invalidate |
33 // any such pointers. | 33 // any such pointers. |
34 | 34 |
35 if (ipc_cursor_id_ != kInvalidCursorId) { | 35 if (ipc_cursor_id_ != kInvalidCursorId) { |
36 // Invalid ID used in tests to avoid really sending this message. | 36 // Invalid ID used in tests to avoid really sending this message. |
37 thread_safe_sender_->Send( | 37 thread_safe_sender_->Send( |
38 new IndexedDBHostMsg_CursorDestroyed(ipc_cursor_id_)); | 38 new IndexedDBHostMsg_CursorDestroyed(ipc_cursor_id_)); |
39 } | 39 } |
40 IndexedDBDispatcher* dispatcher = | 40 IndexedDBDispatcher* dispatcher = |
41 IndexedDBDispatcher::ThreadSpecificInstance(thread_safe_sender_); | 41 IndexedDBDispatcher::ThreadSpecificInstance(thread_safe_sender_.get()); |
42 dispatcher->CursorDestroyed(ipc_cursor_id_); | 42 dispatcher->CursorDestroyed(ipc_cursor_id_); |
43 } | 43 } |
44 | 44 |
45 void RendererWebIDBCursorImpl::advance(unsigned long count, | 45 void RendererWebIDBCursorImpl::advance(unsigned long count, |
46 WebIDBCallbacks* callbacks_ptr) { | 46 WebIDBCallbacks* callbacks_ptr) { |
47 IndexedDBDispatcher* dispatcher = | 47 IndexedDBDispatcher* dispatcher = |
48 IndexedDBDispatcher::ThreadSpecificInstance(thread_safe_sender_); | 48 IndexedDBDispatcher::ThreadSpecificInstance(thread_safe_sender_.get()); |
49 scoped_ptr<WebIDBCallbacks> callbacks(callbacks_ptr); | 49 scoped_ptr<WebIDBCallbacks> callbacks(callbacks_ptr); |
50 ResetPrefetchCache(); | 50 ResetPrefetchCache(); |
51 dispatcher->RequestIDBCursorAdvance( | 51 dispatcher->RequestIDBCursorAdvance( |
52 count, callbacks.release(), ipc_cursor_id_); | 52 count, callbacks.release(), ipc_cursor_id_); |
53 } | 53 } |
54 | 54 |
55 void RendererWebIDBCursorImpl::continueFunction( | 55 void RendererWebIDBCursorImpl::continueFunction( |
56 const WebIDBKey& key, | 56 const WebIDBKey& key, |
57 WebIDBCallbacks* callbacks_ptr) { | 57 WebIDBCallbacks* callbacks_ptr) { |
58 IndexedDBDispatcher* dispatcher = | 58 IndexedDBDispatcher* dispatcher = |
59 IndexedDBDispatcher::ThreadSpecificInstance(thread_safe_sender_); | 59 IndexedDBDispatcher::ThreadSpecificInstance(thread_safe_sender_.get()); |
60 scoped_ptr<WebIDBCallbacks> callbacks(callbacks_ptr); | 60 scoped_ptr<WebIDBCallbacks> callbacks(callbacks_ptr); |
61 | 61 |
62 if (key.type() == WebIDBKey::NullType) { | 62 if (key.type() == WebIDBKey::NullType) { |
63 // No key, so this would qualify for a prefetch. | 63 // No key, so this would qualify for a prefetch. |
64 ++continue_count_; | 64 ++continue_count_; |
65 | 65 |
66 if (!prefetch_keys_.empty()) { | 66 if (!prefetch_keys_.empty()) { |
67 // We have a prefetch cache, so serve the result from that. | 67 // We have a prefetch cache, so serve the result from that. |
68 CachedContinue(callbacks.get()); | 68 CachedContinue(callbacks.get()); |
69 return; | 69 return; |
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140 void RendererWebIDBCursorImpl::ResetPrefetchCache() { | 140 void RendererWebIDBCursorImpl::ResetPrefetchCache() { |
141 continue_count_ = 0; | 141 continue_count_ = 0; |
142 prefetch_amount_ = kMinPrefetchAmount; | 142 prefetch_amount_ = kMinPrefetchAmount; |
143 | 143 |
144 if (!prefetch_keys_.size()) { | 144 if (!prefetch_keys_.size()) { |
145 // No prefetch cache, so no need to reset the cursor in the back-end. | 145 // No prefetch cache, so no need to reset the cursor in the back-end. |
146 return; | 146 return; |
147 } | 147 } |
148 | 148 |
149 IndexedDBDispatcher* dispatcher = | 149 IndexedDBDispatcher* dispatcher = |
150 IndexedDBDispatcher::ThreadSpecificInstance(thread_safe_sender_); | 150 IndexedDBDispatcher::ThreadSpecificInstance(thread_safe_sender_.get()); |
151 dispatcher->RequestIDBCursorPrefetchReset( | 151 dispatcher->RequestIDBCursorPrefetchReset( |
152 used_prefetches_, prefetch_keys_.size(), ipc_cursor_id_); | 152 used_prefetches_, prefetch_keys_.size(), ipc_cursor_id_); |
153 prefetch_keys_.clear(); | 153 prefetch_keys_.clear(); |
154 prefetch_primary_keys_.clear(); | 154 prefetch_primary_keys_.clear(); |
155 prefetch_values_.clear(); | 155 prefetch_values_.clear(); |
156 | 156 |
157 pending_onsuccess_callbacks_ = 0; | 157 pending_onsuccess_callbacks_ = 0; |
158 } | 158 } |
159 | 159 |
160 } // namespace content | 160 } // namespace content |
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