The Tor Browser / file comparison
comparison: storage/src/mozStorageAsyncStatementJSHelper.cpp
storage/src/mozStorageAsyncStatementJSHelper.cpp
- branch
- TOR_BUG_3246
- changeset 6
- 8bccb770b82d
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| -1:000000000000 | 0:f4715960c277 |
|---|---|
| 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 * This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #include "nsIXPConnect.h" | |
| 8 #include "mozStorageAsyncStatement.h" | |
| 9 #include "mozStorageService.h" | |
| 10 | |
| 11 #include "nsMemory.h" | |
| 12 #include "nsString.h" | |
| 13 #include "nsServiceManagerUtils.h" | |
| 14 | |
| 15 #include "mozStorageAsyncStatementJSHelper.h" | |
| 16 | |
| 17 #include "mozStorageAsyncStatementParams.h" | |
| 18 | |
| 19 #include "jsapi.h" | |
| 20 | |
| 21 namespace mozilla { | |
| 22 namespace storage { | |
| 23 | |
| 24 //////////////////////////////////////////////////////////////////////////////// | |
| 25 //// AsyncStatementJSHelper | |
| 26 | |
| 27 nsresult | |
| 28 AsyncStatementJSHelper::getParams(AsyncStatement *aStatement, | |
| 29 JSContext *aCtx, | |
| 30 JSObject *aScopeObj, | |
| 31 jsval *_params) | |
| 32 { | |
| 33 nsresult rv; | |
| 34 | |
| 35 #ifdef DEBUG | |
| 36 int32_t state; | |
| 37 (void)aStatement->GetState(&state); | |
| 38 NS_ASSERTION(state == mozIStorageAsyncStatement::MOZ_STORAGE_STATEMENT_READY, | |
| 39 "Invalid state to get the params object - all calls will fail!"); | |
| 40 #endif | |
| 41 | |
| 42 if (!aStatement->mStatementParamsHolder) { | |
| 43 nsCOMPtr<mozIStorageStatementParams> params = | |
| 44 new AsyncStatementParams(aStatement); | |
| 45 NS_ENSURE_TRUE(params, NS_ERROR_OUT_OF_MEMORY); | |
| 46 | |
| 47 JS::RootedObject scope(aCtx, aScopeObj); | |
| 48 nsCOMPtr<nsIXPConnect> xpc(Service::getXPConnect()); | |
| 49 rv = xpc->WrapNative( | |
| 50 aCtx, | |
| 51 ::JS_GetGlobalForObject(aCtx, scope), | |
| 52 params, | |
| 53 NS_GET_IID(mozIStorageStatementParams), | |
| 54 getter_AddRefs(aStatement->mStatementParamsHolder) | |
| 55 ); | |
| 56 NS_ENSURE_SUCCESS(rv, rv); | |
| 57 } | |
| 58 | |
| 59 JS::Rooted<JSObject*> obj(aCtx); | |
| 60 obj = aStatement->mStatementParamsHolder->GetJSObject(); | |
| 61 NS_ENSURE_STATE(obj); | |
| 62 | |
| 63 *_params = OBJECT_TO_JSVAL(obj); | |
| 64 return NS_OK; | |
| 65 } | |
| 66 | |
| 67 NS_IMETHODIMP_(MozExternalRefCountType) AsyncStatementJSHelper::AddRef() { return 2; } | |
| 68 NS_IMETHODIMP_(MozExternalRefCountType) AsyncStatementJSHelper::Release() { return 1; } | |
| 69 NS_INTERFACE_MAP_BEGIN(AsyncStatementJSHelper) | |
| 70 NS_INTERFACE_MAP_ENTRY(nsIXPCScriptable) | |
| 71 NS_INTERFACE_MAP_ENTRY(nsISupports) | |
| 72 NS_INTERFACE_MAP_END | |
| 73 | |
| 74 //////////////////////////////////////////////////////////////////////////////// | |
| 75 //// nsIXPCScriptable | |
| 76 | |
| 77 #define XPC_MAP_CLASSNAME AsyncStatementJSHelper | |
| 78 #define XPC_MAP_QUOTED_CLASSNAME "AsyncStatementJSHelper" | |
| 79 #define XPC_MAP_WANT_GETPROPERTY | |
| 80 #define XPC_MAP_FLAGS nsIXPCScriptable::ALLOW_PROP_MODS_DURING_RESOLVE | |
| 81 #include "xpc_map_end.h" | |
| 82 | |
| 83 NS_IMETHODIMP | |
| 84 AsyncStatementJSHelper::GetProperty(nsIXPConnectWrappedNative *aWrapper, | |
| 85 JSContext *aCtx, | |
| 86 JSObject *aScopeObj, | |
| 87 jsid aId, | |
| 88 jsval *_result, | |
| 89 bool *_retval) | |
| 90 { | |
| 91 if (!JSID_IS_STRING(aId)) | |
| 92 return NS_OK; | |
| 93 | |
| 94 // Cast to async via mozI* since direct from nsISupports is ambiguous. | |
| 95 JS::RootedObject scope(aCtx, aScopeObj); | |
| 96 JS::RootedId id(aCtx, aId); | |
| 97 mozIStorageAsyncStatement *iAsyncStmt = | |
| 98 static_cast<mozIStorageAsyncStatement *>(aWrapper->Native()); | |
| 99 AsyncStatement *stmt = static_cast<AsyncStatement *>(iAsyncStmt); | |
| 100 | |
| 101 #ifdef DEBUG | |
| 102 { | |
| 103 nsISupports *supp = aWrapper->Native(); | |
| 104 nsCOMPtr<mozIStorageAsyncStatement> isStatement(do_QueryInterface(supp)); | |
| 105 NS_ASSERTION(isStatement, "How is this not an async statement?!"); | |
| 106 } | |
| 107 #endif | |
| 108 | |
| 109 if (::JS_FlatStringEqualsAscii(JSID_TO_FLAT_STRING(id), "params")) | |
| 110 return getParams(stmt, aCtx, scope, _result); | |
| 111 | |
| 112 return NS_OK; | |
| 113 } | |
| 114 | |
| 115 } // namespace storage | |
| 116 } // namespace mozilla |
