gecko-dev/storage/mozStorageAsyncStatementParams.cpp

129 lines
3.6 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ :
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsJSUtils.h"
#include "nsMemory.h"
#include "nsString.h"
#include "jsapi.h"
#include "mozilla/dom/MozStorageAsyncStatementParamsBinding.h"
#include "mozStoragePrivateHelpers.h"
namespace mozilla {
namespace storage {
////////////////////////////////////////////////////////////////////////////////
//// AsyncStatementParams
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(AsyncStatementParams, mWindow)
NS_INTERFACE_TABLE_HEAD(AsyncStatementParams)
NS_WRAPPERCACHE_INTERFACE_TABLE_ENTRY
NS_INTERFACE_TABLE(AsyncStatementParams, nsISupports)
NS_INTERFACE_TABLE_TO_MAP_SEGUE_CYCLE_COLLECTION(AsyncStatementParams)
NS_INTERFACE_MAP_END
NS_IMPL_CYCLE_COLLECTING_ADDREF(AsyncStatementParams)
NS_IMPL_CYCLE_COLLECTING_RELEASE(AsyncStatementParams)
AsyncStatementParams::AsyncStatementParams(nsPIDOMWindowInner* aWindow, AsyncStatement *aStatement)
: mWindow(aWindow),
mStatement(aStatement)
{
NS_ASSERTION(mStatement != nullptr, "mStatement is null");
}
JSObject*
AsyncStatementParams::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
{
return dom::MozStorageAsyncStatementParamsBinding::Wrap(aCx, this, aGivenProto);
}
void
AsyncStatementParams::NamedGetter(JSContext* aCx,
const nsAString& aName,
bool& aFound,
JS::MutableHandle<JS::Value> aResult,
mozilla::ErrorResult& aRv)
{
if (!mStatement) {
aRv.Throw(NS_ERROR_NOT_INITIALIZED);
return;
}
// Unfortunately there's no API that lets us return the parameter value.
aFound = false;
}
void
AsyncStatementParams::NamedSetter(JSContext* aCx,
const nsAString& aName,
JS::Handle<JS::Value> aValue,
mozilla::ErrorResult& aRv)
{
if (!mStatement) {
aRv.Throw(NS_ERROR_NOT_INITIALIZED);
return;
}
NS_ConvertUTF16toUTF8 name(aName);
nsCOMPtr<nsIVariant> variant(convertJSValToVariant(aCx, aValue));
if (!variant) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return;
}
aRv = mStatement->BindByName(name, variant);
}
void
AsyncStatementParams::GetSupportedNames(nsTArray<nsString>& aNames)
{
// We don't know how many params there are, so we can't implement this for
// AsyncStatementParams.
}
void
AsyncStatementParams::IndexedGetter(JSContext* aCx,
uint32_t aIndex,
bool& aFound,
JS::MutableHandle<JS::Value> aResult,
mozilla::ErrorResult& aRv)
{
if (!mStatement) {
aRv.Throw(NS_ERROR_NOT_INITIALIZED);
return;
}
// Unfortunately there's no API that lets us return the parameter value.
aFound = false;
}
void
AsyncStatementParams::IndexedSetter(JSContext* aCx,
uint32_t aIndex,
JS::Handle<JS::Value> aValue,
mozilla::ErrorResult& aRv)
{
if (!mStatement) {
aRv.Throw(NS_ERROR_NOT_INITIALIZED);
return;
}
nsCOMPtr<nsIVariant> variant(convertJSValToVariant(aCx, aValue));
if (!variant) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return;
}
aRv = mStatement->BindByIndex(aIndex, variant);
}
} // namespace storage
} // namespace mozilla