IndexedDB: Support get/getKey(keyRange)

content/common/indexed_db/indexed_db_dispatcher.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/common/indexed_db/indexed_db_dispatcher.h"
 
 #include "base/lazy_instance.h"
 #include "base/threading/thread_local.h"
 #include "content/common/child_thread.h"
 #include "content/common/indexed_db/indexed_db_messages.h"
@@ skipping 351 matching lines @@
   ResetCursorPrefetchCaches();
   scoped_ptr<WebIDBCallbacks> callbacks(callbacks_ptr);
   int32 response_id = pending_callbacks_.Add(callbacks.release());
   Send(new IndexedDBHostMsg_IndexGetObject(idb_index_id, CurrentWorkerId(),
                                            response_id, key,
                                            TransactionId(transaction), ec));
   if (*ec)
     pending_callbacks_.Remove(response_id);
 }
 
+void IndexedDBDispatcher::RequestIDBIndexGetObjectByRange(
+    const IndexedDBKeyRange& key_range,
+    WebIDBCallbacks* callbacks_ptr,
+    int32 idb_index_id,
+    const WebIDBTransaction& transaction,
+    WebExceptionCode* ec) {
+  ResetCursorPrefetchCaches();
+  scoped_ptr<WebIDBCallbacks> callbacks(callbacks_ptr);
+  int32 response_id = pending_callbacks_.Add(callbacks.release());
+  Send(new IndexedDBHostMsg_IndexGetObjectByRange(
+           idb_index_id, CurrentWorkerId(),
+           response_id, key_range,
+           TransactionId(transaction), ec));
+  if (*ec)
+    pending_callbacks_.Remove(response_id);
+}
+
 void IndexedDBDispatcher::RequestIDBIndexGetKey(
     const IndexedDBKey& key,
     WebIDBCallbacks* callbacks_ptr,
     int32 idb_index_id,
     const WebIDBTransaction& transaction,
     WebExceptionCode* ec) {
   ResetCursorPrefetchCaches();
   scoped_ptr<WebIDBCallbacks> callbacks(callbacks_ptr);
   int32 response_id = pending_callbacks_.Add(callbacks.release());
   Send(new IndexedDBHostMsg_IndexGetKey(
            idb_index_id, CurrentWorkerId(), response_id, key,
            TransactionId(transaction), ec));
   if (*ec)
     pending_callbacks_.Remove(response_id);
 }
 
+void IndexedDBDispatcher::RequestIDBIndexGetKeyByRange(
+    const IndexedDBKeyRange& key_range,
+    WebIDBCallbacks* callbacks_ptr,
+    int32 idb_index_id,
+    const WebIDBTransaction& transaction,
+    WebExceptionCode* ec) {
+  ResetCursorPrefetchCaches();
+  scoped_ptr<WebIDBCallbacks> callbacks(callbacks_ptr);
+  int32 response_id = pending_callbacks_.Add(callbacks.release());
+  Send(new IndexedDBHostMsg_IndexGetKeyByRange(
+           idb_index_id, CurrentWorkerId(), response_id, key_range,
+           TransactionId(transaction), ec));
+  if (*ec)
+    pending_callbacks_.Remove(response_id);
+}
+
 void IndexedDBDispatcher::RequestIDBObjectStoreGet(
     const IndexedDBKey& key,
     WebIDBCallbacks* callbacks_ptr,
     int32 idb_object_store_id,
     const WebIDBTransaction& transaction,
     WebExceptionCode* ec) {
   ResetCursorPrefetchCaches();
   scoped_ptr<WebIDBCallbacks> callbacks(callbacks_ptr);
 
   int32 response_id = pending_callbacks_.Add(callbacks.release());
   Send(new IndexedDBHostMsg_ObjectStoreGet(
            idb_object_store_id, CurrentWorkerId(), response_id,
            key, TransactionId(transaction), ec));
   if (*ec)
     pending_callbacks_.Remove(response_id);
 }
 
+void IndexedDBDispatcher::RequestIDBObjectStoreGetByRange(
+    const IndexedDBKeyRange& key_range,
+    WebIDBCallbacks* callbacks_ptr,
+    int32 idb_object_store_id,
+    const WebIDBTransaction& transaction,
+    WebExceptionCode* ec) {
+  ResetCursorPrefetchCaches();
+  scoped_ptr<WebIDBCallbacks> callbacks(callbacks_ptr);
+
+  int32 response_id = pending_callbacks_.Add(callbacks.release());
+  Send(new IndexedDBHostMsg_ObjectStoreGetByRange(
+           idb_object_store_id, CurrentWorkerId(), response_id,
+           key_range, TransactionId(transaction), ec));
+  if (*ec)
+    pending_callbacks_.Remove(response_id);
+}
+
 void IndexedDBDispatcher::RequestIDBObjectStorePut(
     const content::SerializedScriptValue& value,
     const IndexedDBKey& key,
     WebKit::WebIDBObjectStore::PutMode put_mode,
     WebIDBCallbacks* callbacks_ptr,
     int32 idb_object_store_id,
     const WebIDBTransaction& transaction,
     WebExceptionCode* ec) {
   ResetCursorPrefetchCaches();
   scoped_ptr<WebIDBCallbacks> callbacks(callbacks_ptr);
@@ skipping 298 matching lines @@
 }
 
 void IndexedDBDispatcher::ResetCursorPrefetchCaches(int32 exception_cursor_id) {
   typedef std::map<int32, RendererWebIDBCursorImpl*>::iterator Iterator;
   for (Iterator i = cursors_.begin(); i != cursors_.end(); ++i) {
     if (i->first == exception_cursor_id)
       continue;
     i->second->ResetPrefetchCache();
   }
 }