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1 // Copyright (c) 2011 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_RENDERER_INDEXED_DB_INDEXED_DB_DISPATCHER_H_ | |
6 #define CONTENT_RENDERER_INDEXED_DB_INDEXED_DB_DISPATCHER_H_ | |
7 #pragma once | |
8 | |
9 #include <map> | |
10 #include <vector> | |
11 | |
12 #include "base/id_map.h" | |
13 #include "base/nullable_string16.h" | |
14 #include "third_party/WebKit/Source/WebKit/chromium/public/WebExceptionCode.h" | |
15 #include "third_party/WebKit/Source/WebKit/chromium/public/WebIDBCallbacks.h" | |
16 #include "third_party/WebKit/Source/WebKit/chromium/public/WebIDBDatabase.h" | |
17 #include "third_party/WebKit/Source/WebKit/chromium/public/WebIDBDatabaseCallbac
ks.h" | |
18 #include "third_party/WebKit/Source/WebKit/chromium/public/WebIDBObjectStore.h" | |
19 #include "third_party/WebKit/Source/WebKit/chromium/public/WebIDBTransactionCall
backs.h" | |
20 #include "webkit/glue/worker_task_runner.h" | |
21 | |
22 class IndexedDBKey; | |
23 struct IndexedDBMsg_CallbacksSuccessCursorContinue_Params; | |
24 struct IndexedDBMsg_CallbacksSuccessCursorPrefetch_Params; | |
25 struct IndexedDBMsg_CallbacksSuccessIDBCursor_Params; | |
26 class RendererWebIDBCursorImpl; | |
27 | |
28 namespace IPC { | |
29 class Message; | |
30 } | |
31 | |
32 namespace WebKit { | |
33 class WebFrame; | |
34 class WebIDBKeyRange; | |
35 class WebIDBTransaction; | |
36 } | |
37 | |
38 namespace content { | |
39 class SerializedScriptValue; | |
40 } | |
41 | |
42 // Handle the indexed db related communication for this context thread - the | |
43 // main thread and each worker thread have their own copies. | |
44 class IndexedDBDispatcher : public webkit_glue::WorkerTaskRunner::Observer { | |
45 public: | |
46 virtual ~IndexedDBDispatcher(); | |
47 static IndexedDBDispatcher* ThreadSpecificInstance(); | |
48 | |
49 // webkit_glue::WorkerTaskRunner::Observer implementation. | |
50 virtual void OnWorkerRunLoopStopped() OVERRIDE; | |
51 | |
52 void OnMessageReceived(const IPC::Message& msg); | |
53 void Send(IPC::Message* msg); | |
54 | |
55 void RequestIDBFactoryGetDatabaseNames( | |
56 WebKit::WebIDBCallbacks* callbacks, | |
57 const string16& origin, | |
58 WebKit::WebFrame* web_frame); | |
59 | |
60 void RequestIDBFactoryOpen( | |
61 const string16& name, | |
62 WebKit::WebIDBCallbacks* callbacks, | |
63 const string16& origin, | |
64 WebKit::WebFrame* web_frame); | |
65 | |
66 void RequestIDBFactoryDeleteDatabase( | |
67 const string16& name, | |
68 WebKit::WebIDBCallbacks* callbacks, | |
69 const string16& origin, | |
70 WebKit::WebFrame* web_frame); | |
71 | |
72 void RequestIDBCursorUpdate( | |
73 const content::SerializedScriptValue& value, | |
74 WebKit::WebIDBCallbacks* callbacks_ptr, | |
75 int32 idb_cursor_id, | |
76 WebKit::WebExceptionCode* ec); | |
77 | |
78 void RequestIDBCursorContinue( | |
79 const IndexedDBKey& key, | |
80 WebKit::WebIDBCallbacks* callbacks_ptr, | |
81 int32 idb_cursor_id, | |
82 WebKit::WebExceptionCode* ec); | |
83 | |
84 void RequestIDBCursorPrefetch( | |
85 int n, | |
86 WebKit::WebIDBCallbacks* callbacks_ptr, | |
87 int32 idb_cursor_id, | |
88 WebKit::WebExceptionCode* ec); | |
89 | |
90 void RequestIDBCursorPrefetchReset(int used_prefetches, int unused_prefetches, | |
91 int32 idb_cursor_id); | |
92 | |
93 void RequestIDBCursorDelete( | |
94 WebKit::WebIDBCallbacks* callbacks_ptr, | |
95 int32 idb_cursor_id, | |
96 WebKit::WebExceptionCode* ec); | |
97 | |
98 void RequestIDBDatabaseClose( | |
99 int32 idb_database_id); | |
100 | |
101 void RequestIDBDatabaseOpen( | |
102 WebKit::WebIDBDatabaseCallbacks* callbacks_ptr, | |
103 int32 idb_database_id); | |
104 | |
105 void RequestIDBDatabaseSetVersion( | |
106 const string16& version, | |
107 WebKit::WebIDBCallbacks* callbacks, | |
108 int32 idb_database_id, | |
109 WebKit::WebExceptionCode* ec); | |
110 | |
111 void RequestIDBIndexOpenObjectCursor( | |
112 const WebKit::WebIDBKeyRange& idb_key_range, | |
113 unsigned short direction, | |
114 WebKit::WebIDBCallbacks* callbacks, | |
115 int32 idb_index_id, | |
116 const WebKit::WebIDBTransaction& transaction, | |
117 WebKit::WebExceptionCode* ec); | |
118 | |
119 void RequestIDBIndexOpenKeyCursor( | |
120 const WebKit::WebIDBKeyRange& idb_key_range, | |
121 unsigned short direction, | |
122 WebKit::WebIDBCallbacks* callbacks, | |
123 int32 idb_index_id, | |
124 const WebKit::WebIDBTransaction& transaction, | |
125 WebKit::WebExceptionCode* ec); | |
126 | |
127 void RequestIDBIndexCount( | |
128 const WebKit::WebIDBKeyRange& idb_key_range, | |
129 WebKit::WebIDBCallbacks* callbacks, | |
130 int32 idb_index_id, | |
131 const WebKit::WebIDBTransaction& transaction, | |
132 WebKit::WebExceptionCode* ec); | |
133 | |
134 void RequestIDBIndexGetObject(const IndexedDBKey& key, | |
135 WebKit::WebIDBCallbacks* callbacks, | |
136 int32 idb_index_id, | |
137 const WebKit::WebIDBTransaction& transaction, | |
138 WebKit::WebExceptionCode* ec); | |
139 | |
140 void RequestIDBIndexGetKey(const IndexedDBKey& key, | |
141 WebKit::WebIDBCallbacks* callbacks, | |
142 int32 idb_index_id, | |
143 const WebKit::WebIDBTransaction& transaction, | |
144 WebKit::WebExceptionCode* ec); | |
145 | |
146 void RequestIDBObjectStoreGet(const IndexedDBKey& key, | |
147 WebKit::WebIDBCallbacks* callbacks, | |
148 int32 idb_object_store_id, | |
149 const WebKit::WebIDBTransaction& transaction, | |
150 WebKit::WebExceptionCode* ec); | |
151 | |
152 void RequestIDBObjectStorePut(const content::SerializedScriptValue& value, | |
153 const IndexedDBKey& key, | |
154 WebKit::WebIDBObjectStore::PutMode putMode, | |
155 WebKit::WebIDBCallbacks* callbacks, | |
156 int32 idb_object_store_id, | |
157 const WebKit::WebIDBTransaction& transaction, | |
158 WebKit::WebExceptionCode* ec); | |
159 | |
160 void RequestIDBObjectStoreDelete( | |
161 const IndexedDBKey& key, | |
162 WebKit::WebIDBCallbacks* callbacks, | |
163 int32 idb_object_store_id, | |
164 const WebKit::WebIDBTransaction& transaction, | |
165 WebKit::WebExceptionCode* ec); | |
166 | |
167 void RequestIDBObjectStoreClear( | |
168 WebKit::WebIDBCallbacks* callbacks, | |
169 int32 idb_object_store_id, | |
170 const WebKit::WebIDBTransaction& transaction, | |
171 WebKit::WebExceptionCode* ec); | |
172 | |
173 void RequestIDBObjectStoreOpenCursor( | |
174 const WebKit::WebIDBKeyRange& idb_key_range, | |
175 unsigned short direction, | |
176 WebKit::WebIDBCallbacks* callbacks, | |
177 int32 idb_object_store_id, | |
178 const WebKit::WebIDBTransaction& transaction, | |
179 WebKit::WebExceptionCode* ec); | |
180 | |
181 void RequestIDBObjectStoreCount( | |
182 const WebKit::WebIDBKeyRange& idb_key_range, | |
183 WebKit::WebIDBCallbacks* callbacks, | |
184 int32 idb_object_store_id, | |
185 const WebKit::WebIDBTransaction& transaction, | |
186 WebKit::WebExceptionCode* ec); | |
187 | |
188 void RegisterWebIDBTransactionCallbacks( | |
189 WebKit::WebIDBTransactionCallbacks* callbacks, | |
190 int32 id); | |
191 | |
192 void CursorDestroyed(int32 cursor_id); | |
193 | |
194 static int32 TransactionId(const WebKit::WebIDBTransaction& transaction); | |
195 | |
196 private: | |
197 IndexedDBDispatcher(); | |
198 // IDBCallback message handlers. | |
199 void OnSuccessNull(int32 response_id); | |
200 void OnSuccessIDBDatabase(int32 thread_id, | |
201 int32 response_id, | |
202 int32 object_id); | |
203 void OnSuccessIndexedDBKey(int32 thread_id, | |
204 int32 response_id, | |
205 const IndexedDBKey& key); | |
206 void OnSuccessIDBTransaction(int32 thread_id, | |
207 int32 response_id, | |
208 int32 object_id); | |
209 void OnSuccessOpenCursor( | |
210 const IndexedDBMsg_CallbacksSuccessIDBCursor_Params& p); | |
211 void OnSuccessCursorContinue( | |
212 const IndexedDBMsg_CallbacksSuccessCursorContinue_Params& p); | |
213 void OnSuccessCursorPrefetch( | |
214 const IndexedDBMsg_CallbacksSuccessCursorPrefetch_Params& p); | |
215 void OnSuccessStringList(int32 thread_id, | |
216 int32 response_id, | |
217 const std::vector<string16>& value); | |
218 void OnSuccessSerializedScriptValue( | |
219 int32 thread_id, | |
220 int32 response_id, | |
221 const content::SerializedScriptValue& value); | |
222 void OnError(int32 thread_id, | |
223 int32 response_id, | |
224 int code, | |
225 const string16& message); | |
226 void OnBlocked(int32 thread_id, int32 response_id); | |
227 void OnAbort(int32 thread_id, int32 transaction_id); | |
228 void OnComplete(int32 thread_id, int32 transaction_id); | |
229 void OnVersionChange(int32 thread_id, | |
230 int32 database_id, | |
231 const string16& newVersion); | |
232 | |
233 // Reset cursor prefetch caches for all cursors except exception_cursor_id. | |
234 void ResetCursorPrefetchCaches(int32 exception_cursor_id = -1); | |
235 | |
236 // Careful! WebIDBCallbacks wraps non-threadsafe data types. It must be | |
237 // destroyed and used on the same thread it was created on. | |
238 IDMap<WebKit::WebIDBCallbacks, IDMapOwnPointer> pending_callbacks_; | |
239 IDMap<WebKit::WebIDBTransactionCallbacks, IDMapOwnPointer> | |
240 pending_transaction_callbacks_; | |
241 IDMap<WebKit::WebIDBDatabaseCallbacks, IDMapOwnPointer> | |
242 pending_database_callbacks_; | |
243 | |
244 // Map from cursor id to RendererWebIDBCursorImpl. | |
245 std::map<int32, RendererWebIDBCursorImpl*> cursors_; | |
246 | |
247 DISALLOW_COPY_AND_ASSIGN(IndexedDBDispatcher); | |
248 }; | |
249 | |
250 #endif // CONTENT_RENDERER_INDEXED_DB_INDEXED_DB_DISPATCHER_H_ | |
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