storage/src/mozStorageAsyncStatementJSHelper.cpp@8bccb770b82d (annotated)
storage/src/mozStorageAsyncStatementJSHelper.cpp
Wed, 31 Dec 2014 13:27:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 13:27:57 +0100
- branch
- TOR_BUG_3246
- changeset 6
- 8bccb770b82d
- permissions
- -rw-r--r--
Ignore runtime configuration files generated during quality assurance.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- |
| michael@0 | 2 | * vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ : |
| michael@0 | 3 | * This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 4 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 5 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 6 | |
| michael@0 | 7 | #include "nsIXPConnect.h" |
| michael@0 | 8 | #include "mozStorageAsyncStatement.h" |
| michael@0 | 9 | #include "mozStorageService.h" |
| michael@0 | 10 | |
| michael@0 | 11 | #include "nsMemory.h" |
| michael@0 | 12 | #include "nsString.h" |
| michael@0 | 13 | #include "nsServiceManagerUtils.h" |
| michael@0 | 14 | |
| michael@0 | 15 | #include "mozStorageAsyncStatementJSHelper.h" |
| michael@0 | 16 | |
| michael@0 | 17 | #include "mozStorageAsyncStatementParams.h" |
| michael@0 | 18 | |
| michael@0 | 19 | #include "jsapi.h" |
| michael@0 | 20 | |
| michael@0 | 21 | namespace mozilla { |
| michael@0 | 22 | namespace storage { |
| michael@0 | 23 | |
| michael@0 | 24 | //////////////////////////////////////////////////////////////////////////////// |
| michael@0 | 25 | //// AsyncStatementJSHelper |
| michael@0 | 26 | |
| michael@0 | 27 | nsresult |
| michael@0 | 28 | AsyncStatementJSHelper::getParams(AsyncStatement *aStatement, |
| michael@0 | 29 | JSContext *aCtx, |
| michael@0 | 30 | JSObject *aScopeObj, |
| michael@0 | 31 | jsval *_params) |
| michael@0 | 32 | { |
| michael@0 | 33 | nsresult rv; |
| michael@0 | 34 | |
| michael@0 | 35 | #ifdef DEBUG |
| michael@0 | 36 | int32_t state; |
| michael@0 | 37 | (void)aStatement->GetState(&state); |
| michael@0 | 38 | NS_ASSERTION(state == mozIStorageAsyncStatement::MOZ_STORAGE_STATEMENT_READY, |
| michael@0 | 39 | "Invalid state to get the params object - all calls will fail!"); |
| michael@0 | 40 | #endif |
| michael@0 | 41 | |
| michael@0 | 42 | if (!aStatement->mStatementParamsHolder) { |
| michael@0 | 43 | nsCOMPtr<mozIStorageStatementParams> params = |
| michael@0 | 44 | new AsyncStatementParams(aStatement); |
| michael@0 | 45 | NS_ENSURE_TRUE(params, NS_ERROR_OUT_OF_MEMORY); |
| michael@0 | 46 | |
| michael@0 | 47 | JS::RootedObject scope(aCtx, aScopeObj); |
| michael@0 | 48 | nsCOMPtr<nsIXPConnect> xpc(Service::getXPConnect()); |
| michael@0 | 49 | rv = xpc->WrapNative( |
| michael@0 | 50 | aCtx, |
| michael@0 | 51 | ::JS_GetGlobalForObject(aCtx, scope), |
| michael@0 | 52 | params, |
| michael@0 | 53 | NS_GET_IID(mozIStorageStatementParams), |
| michael@0 | 54 | getter_AddRefs(aStatement->mStatementParamsHolder) |
| michael@0 | 55 | ); |
| michael@0 | 56 | NS_ENSURE_SUCCESS(rv, rv); |
| michael@0 | 57 | } |
| michael@0 | 58 | |
| michael@0 | 59 | JS::Rooted<JSObject*> obj(aCtx); |
| michael@0 | 60 | obj = aStatement->mStatementParamsHolder->GetJSObject(); |
| michael@0 | 61 | NS_ENSURE_STATE(obj); |
| michael@0 | 62 | |
| michael@0 | 63 | *_params = OBJECT_TO_JSVAL(obj); |
| michael@0 | 64 | return NS_OK; |
| michael@0 | 65 | } |
| michael@0 | 66 | |
| michael@0 | 67 | NS_IMETHODIMP_(MozExternalRefCountType) AsyncStatementJSHelper::AddRef() { return 2; } |
| michael@0 | 68 | NS_IMETHODIMP_(MozExternalRefCountType) AsyncStatementJSHelper::Release() { return 1; } |
| michael@0 | 69 | NS_INTERFACE_MAP_BEGIN(AsyncStatementJSHelper) |
| michael@0 | 70 | NS_INTERFACE_MAP_ENTRY(nsIXPCScriptable) |
| michael@0 | 71 | NS_INTERFACE_MAP_ENTRY(nsISupports) |
| michael@0 | 72 | NS_INTERFACE_MAP_END |
| michael@0 | 73 | |
| michael@0 | 74 | //////////////////////////////////////////////////////////////////////////////// |
| michael@0 | 75 | //// nsIXPCScriptable |
| michael@0 | 76 | |
| michael@0 | 77 | #define XPC_MAP_CLASSNAME AsyncStatementJSHelper |
| michael@0 | 78 | #define XPC_MAP_QUOTED_CLASSNAME "AsyncStatementJSHelper" |
| michael@0 | 79 | #define XPC_MAP_WANT_GETPROPERTY |
| michael@0 | 80 | #define XPC_MAP_FLAGS nsIXPCScriptable::ALLOW_PROP_MODS_DURING_RESOLVE |
| michael@0 | 81 | #include "xpc_map_end.h" |
| michael@0 | 82 | |
| michael@0 | 83 | NS_IMETHODIMP |
| michael@0 | 84 | AsyncStatementJSHelper::GetProperty(nsIXPConnectWrappedNative *aWrapper, |
| michael@0 | 85 | JSContext *aCtx, |
| michael@0 | 86 | JSObject *aScopeObj, |
| michael@0 | 87 | jsid aId, |
| michael@0 | 88 | jsval *_result, |
| michael@0 | 89 | bool *_retval) |
| michael@0 | 90 | { |
| michael@0 | 91 | if (!JSID_IS_STRING(aId)) |
| michael@0 | 92 | return NS_OK; |
| michael@0 | 93 | |
| michael@0 | 94 | // Cast to async via mozI* since direct from nsISupports is ambiguous. |
| michael@0 | 95 | JS::RootedObject scope(aCtx, aScopeObj); |
| michael@0 | 96 | JS::RootedId id(aCtx, aId); |
| michael@0 | 97 | mozIStorageAsyncStatement *iAsyncStmt = |
| michael@0 | 98 | static_cast<mozIStorageAsyncStatement *>(aWrapper->Native()); |
| michael@0 | 99 | AsyncStatement *stmt = static_cast<AsyncStatement *>(iAsyncStmt); |
| michael@0 | 100 | |
| michael@0 | 101 | #ifdef DEBUG |
| michael@0 | 102 | { |
| michael@0 | 103 | nsISupports *supp = aWrapper->Native(); |
| michael@0 | 104 | nsCOMPtr<mozIStorageAsyncStatement> isStatement(do_QueryInterface(supp)); |
| michael@0 | 105 | NS_ASSERTION(isStatement, "How is this not an async statement?!"); |
| michael@0 | 106 | } |
| michael@0 | 107 | #endif |
| michael@0 | 108 | |
| michael@0 | 109 | if (::JS_FlatStringEqualsAscii(JSID_TO_FLAT_STRING(id), "params")) |
| michael@0 | 110 | return getParams(stmt, aCtx, scope, _result); |
| michael@0 | 111 | |
| michael@0 | 112 | return NS_OK; |
| michael@0 | 113 | } |
| michael@0 | 114 | |
| michael@0 | 115 | } // namespace storage |
| michael@0 | 116 | } // namespace mozilla |
