forked from mirrors/gecko-dev
2da84b8ac4
There are only 3 places where nsMemory.h is still needed (image/RasterImage.cpp, gfx/thebes/gfxFT2FontList.cpp, and nsMemory.cpp). Remove the rest. Differential Revision: https://phabricator.services.mozilla.com/D158213
142 lines
4.6 KiB
C++
142 lines
4.6 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ :
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsIXPConnect.h"
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#include "mozStorageAsyncStatement.h"
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#include "mozStorageService.h"
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#include "nsString.h"
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#include "nsServiceManagerUtils.h"
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#include "mozStorageAsyncStatementJSHelper.h"
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#include "mozStorageAsyncStatementParams.h"
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#include "jsapi.h"
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#include "js/PropertyAndElement.h" // JS_DefineProperty, JS_DefinePropertyById
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#include "xpc_make_class.h"
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namespace mozilla {
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namespace storage {
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////////////////////////////////////////////////////////////////////////////////
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//// AsyncStatementJSHelper
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nsresult AsyncStatementJSHelper::getParams(AsyncStatement* aStatement,
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JSContext* aCtx, JSObject* aScopeObj,
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JS::Value* _params) {
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MOZ_ASSERT(NS_IsMainThread());
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#ifdef DEBUG
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int32_t state;
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(void)aStatement->GetState(&state);
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NS_ASSERTION(state == mozIStorageAsyncStatement::MOZ_STORAGE_STATEMENT_READY,
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"Invalid state to get the params object - all calls will fail!");
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#endif
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JS::Rooted<JSObject*> scope(aCtx, aScopeObj);
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if (!aStatement->mStatementParamsHolder) {
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dom::GlobalObject global(aCtx, scope);
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if (global.Failed()) {
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return NS_ERROR_UNEXPECTED;
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}
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nsCOMPtr<nsPIDOMWindowInner> window =
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do_QueryInterface(global.GetAsSupports());
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RefPtr<AsyncStatementParams> params(
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new AsyncStatementParams(window, aStatement));
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NS_ENSURE_TRUE(params, NS_ERROR_OUT_OF_MEMORY);
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RefPtr<AsyncStatementParamsHolder> paramsHolder =
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new AsyncStatementParamsHolder(params);
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NS_ENSURE_TRUE(paramsHolder, NS_ERROR_OUT_OF_MEMORY);
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aStatement->mStatementParamsHolder =
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new nsMainThreadPtrHolder<AsyncStatementParamsHolder>(
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"Statement::mStatementParamsHolder", paramsHolder);
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}
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RefPtr<AsyncStatementParams> params(
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aStatement->mStatementParamsHolder->Get());
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JSObject* obj = params->WrapObject(aCtx, nullptr);
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if (!obj) {
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return NS_ERROR_UNEXPECTED;
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}
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_params->setObject(*obj);
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return NS_OK;
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}
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NS_IMETHODIMP_(MozExternalRefCountType) AsyncStatementJSHelper::AddRef() {
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return 2;
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}
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NS_IMETHODIMP_(MozExternalRefCountType) AsyncStatementJSHelper::Release() {
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return 1;
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}
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NS_INTERFACE_MAP_BEGIN(AsyncStatementJSHelper)
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NS_INTERFACE_MAP_ENTRY(nsIXPCScriptable)
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NS_INTERFACE_MAP_ENTRY(nsISupports)
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NS_INTERFACE_MAP_END
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////////////////////////////////////////////////////////////////////////////////
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//// nsIXPCScriptable
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#define XPC_MAP_CLASSNAME AsyncStatementJSHelper
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#define XPC_MAP_QUOTED_CLASSNAME "AsyncStatementJSHelper"
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#define XPC_MAP_FLAGS \
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(XPC_SCRIPTABLE_WANT_RESOLVE | XPC_SCRIPTABLE_ALLOW_PROP_MODS_DURING_RESOLVE)
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#include "xpc_map_end.h"
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NS_IMETHODIMP
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AsyncStatementJSHelper::Resolve(nsIXPConnectWrappedNative* aWrapper,
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JSContext* aCtx, JSObject* aScopeObj, jsid aId,
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bool* resolvedp, bool* _retval) {
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if (!aId.isString()) return NS_OK;
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// Cast to async via mozI* since direct from nsISupports is ambiguous.
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JS::Rooted<JSObject*> scope(aCtx, aScopeObj);
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JS::Rooted<JS::PropertyKey> id(aCtx, aId);
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mozIStorageAsyncStatement* iAsyncStmt =
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static_cast<mozIStorageAsyncStatement*>(aWrapper->Native());
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AsyncStatement* stmt = static_cast<AsyncStatement*>(iAsyncStmt);
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#ifdef DEBUG
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{
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nsISupports* supp = aWrapper->Native();
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nsCOMPtr<mozIStorageAsyncStatement> isStatement(do_QueryInterface(supp));
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NS_ASSERTION(isStatement, "How is this not an async statement?!");
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}
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#endif
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if (::JS_LinearStringEqualsLiteral(id.toLinearString(), "params")) {
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JS::Rooted<JS::Value> val(aCtx);
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nsresult rv = getParams(stmt, aCtx, scope, val.address());
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NS_ENSURE_SUCCESS(rv, rv);
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*_retval = ::JS_DefinePropertyById(aCtx, scope, id, val, JSPROP_RESOLVING);
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*resolvedp = true;
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return NS_OK;
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}
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return NS_OK;
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}
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////////////////////////////////////////////////////////////////////////////////
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//// AsyncStatementParamsHolder
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NS_IMPL_ISUPPORTS0(AsyncStatementParamsHolder);
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AsyncStatementParamsHolder::~AsyncStatementParamsHolder() {
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MOZ_ASSERT(NS_IsMainThread());
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// We are considered dead at this point, so any wrappers for row or params
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// need to lose their reference to the statement.
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mParams->mStatement = nullptr;
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}
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} // namespace storage
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} // namespace mozilla
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