1 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
2 : * vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ :
3 : * ***** BEGIN LICENSE BLOCK *****
4 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
5 : *
6 : * The contents of this file are subject to the Mozilla Public License Version
7 : * 1.1 (the "License"); you may not use this file except in compliance with
8 : * the License. You may obtain a copy of the License at
9 : * http://www.mozilla.org/MPL/
10 : *
11 : * Software distributed under the License is distributed on an "AS IS" basis,
12 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13 : * for the specific language governing rights and limitations under the
14 : * License.
15 : *
16 : * The Original Code is mozStorage code.
17 : *
18 : * The Initial Developer of the Original Code is the Mozilla Foundation.
19 : * Portions created by the Initial Developer are Copyright (C) 2008
20 : * the Initial Developer. All Rights Reserved.
21 : *
22 : * Contributor(s):
23 : * Shawn Wilsher <me@shawnwilsher.com> (Original Author)
24 : * Andrew Sutherland <asutherland@asutherland.org>
25 : *
26 : * Alternatively, the contents of this file may be used under the terms of
27 : * either the GNU General Public License Version 2 or later (the "GPL"), or
28 : * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
29 : * in which case the provisions of the GPL or the LGPL are applicable instead
30 : * of those above. If you wish to allow use of your version of this file only
31 : * under the terms of either the GPL or the LGPL, and not to allow others to
32 : * use your version of this file under the terms of the MPL, indicate your
33 : * decision by deleting the provisions above and replace them with the notice
34 : * and other provisions required by the GPL or the LGPL. If you do not delete
35 : * the provisions above, a recipient may use your version of this file under
36 : * the terms of any one of the MPL, the GPL or the LGPL.
37 : *
38 : * ***** END LICENSE BLOCK ***** */
39 :
40 : #include "nsIXPConnect.h"
41 : #include "mozStorageAsyncStatement.h"
42 : #include "mozStorageService.h"
43 :
44 : #include "nsMemory.h"
45 : #include "nsString.h"
46 : #include "nsServiceManagerUtils.h"
47 :
48 : #include "mozStorageAsyncStatementJSHelper.h"
49 :
50 : #include "mozStorageAsyncStatementParams.h"
51 :
52 : #include "jsapi.h"
53 :
54 : namespace mozilla {
55 : namespace storage {
56 :
57 : ////////////////////////////////////////////////////////////////////////////////
58 : //// AsyncStatementJSHelper
59 :
60 : nsresult
61 7838 : AsyncStatementJSHelper::getParams(AsyncStatement *aStatement,
62 : JSContext *aCtx,
63 : JSObject *aScopeObj,
64 : jsval *_params)
65 : {
66 : nsresult rv;
67 :
68 : #ifdef DEBUG
69 : PRInt32 state;
70 7838 : (void)aStatement->GetState(&state);
71 7838 : NS_ASSERTION(state == mozIStorageAsyncStatement::MOZ_STORAGE_STATEMENT_READY,
72 : "Invalid state to get the params object - all calls will fail!");
73 : #endif
74 :
75 7838 : if (!aStatement->mStatementParamsHolder) {
76 : nsCOMPtr<mozIStorageStatementParams> params =
77 2552 : new AsyncStatementParams(aStatement);
78 1276 : NS_ENSURE_TRUE(params, NS_ERROR_OUT_OF_MEMORY);
79 :
80 2552 : nsCOMPtr<nsIXPConnect> xpc(Service::getXPConnect());
81 1276 : rv = xpc->WrapNative(
82 : aCtx,
83 : ::JS_GetGlobalForObject(aCtx, aScopeObj),
84 : params,
85 : NS_GET_IID(mozIStorageStatementParams),
86 1276 : getter_AddRefs(aStatement->mStatementParamsHolder)
87 1276 : );
88 1276 : NS_ENSURE_SUCCESS(rv, rv);
89 : }
90 :
91 7838 : JSObject *obj = nsnull;
92 7838 : rv = aStatement->mStatementParamsHolder->GetJSObject(&obj);
93 7838 : NS_ENSURE_SUCCESS(rv, rv);
94 :
95 7838 : *_params = OBJECT_TO_JSVAL(obj);
96 7838 : return NS_OK;
97 : }
98 :
99 6930 : NS_IMETHODIMP_(nsrefcnt) AsyncStatementJSHelper::AddRef() { return 2; }
100 10081 : NS_IMETHODIMP_(nsrefcnt) AsyncStatementJSHelper::Release() { return 1; }
101 6616 : NS_INTERFACE_MAP_BEGIN(AsyncStatementJSHelper)
102 6616 : NS_INTERFACE_MAP_ENTRY(nsIXPCScriptable)
103 0 : NS_INTERFACE_MAP_ENTRY(nsISupports)
104 0 : NS_INTERFACE_MAP_END
105 :
106 : ////////////////////////////////////////////////////////////////////////////////
107 : //// nsIXPCScriptable
108 :
109 : #define XPC_MAP_CLASSNAME AsyncStatementJSHelper
110 : #define XPC_MAP_QUOTED_CLASSNAME "AsyncStatementJSHelper"
111 : #define XPC_MAP_WANT_GETPROPERTY
112 : #define XPC_MAP_FLAGS nsIXPCScriptable::ALLOW_PROP_MODS_DURING_RESOLVE
113 : #include "xpc_map_end.h"
114 :
115 : NS_IMETHODIMP
116 7838 : AsyncStatementJSHelper::GetProperty(nsIXPConnectWrappedNative *aWrapper,
117 : JSContext *aCtx,
118 : JSObject *aScopeObj,
119 : jsid aId,
120 : jsval *_result,
121 : bool *_retval)
122 : {
123 7838 : if (!JSID_IS_STRING(aId))
124 0 : return NS_OK;
125 :
126 : // Cast to async via mozI* since direct from nsISupports is ambiguous.
127 : mozIStorageAsyncStatement *iAsyncStmt =
128 7838 : static_cast<mozIStorageAsyncStatement *>(aWrapper->Native());
129 7838 : AsyncStatement *stmt = static_cast<AsyncStatement *>(iAsyncStmt);
130 :
131 : #ifdef DEBUG
132 : {
133 7838 : nsISupports *supp = aWrapper->Native();
134 15676 : nsCOMPtr<mozIStorageAsyncStatement> isStatement(do_QueryInterface(supp));
135 7838 : NS_ASSERTION(isStatement, "How is this not an async statement?!");
136 : }
137 : #endif
138 :
139 7838 : if (::JS_FlatStringEqualsAscii(JSID_TO_FLAT_STRING(aId), "params"))
140 7838 : return getParams(stmt, aCtx, aScopeObj, _result);
141 :
142 0 : return NS_OK;
143 : }
144 :
145 : } // namespace storage
146 : } // namespace mozilla
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