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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 "mozilla/glean/bindings/Object.h"
#include "Common.h"
#include "mozilla/dom/GleanMetricsBinding.h"
#include "mozilla/dom/ToJSValue.h"
#include "mozilla/Logging.h"
#include "jsapi.h"
#include "js/JSON.h"
#include "nsContentUtils.h"
using namespace mozilla::dom;
namespace mozilla::glean {
/* virtual */
JSObject* GleanObject::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return dom::GleanObject_Binding::Wrap(aCx, this, aGivenProto);
}
void GleanObject::Set(JSContext* aCx, JS::Handle<JSObject*> aObj) {
// We take in an `object`. Cannot be `null`!
// But at this point the type system doesn't know that.
JS::Rooted<JS::Value> value(aCx);
value.setObjectOrNull(aObj);
nsAutoString serializedValue;
bool res = nsContentUtils::StringifyJSON(aCx, value, serializedValue,
UndefinedIsNullStringLiteral);
if (!res) {
// JS_Stringify throws an exception, e.g. on cyclic objects.
// We don't want this rethrown.
JS_ClearPendingException(aCx);
LogToBrowserConsole(nsIScriptError::warningFlag,
u"passed in object cannot be serialized"_ns);
return;
}
NS_ConvertUTF16toUTF8 payload(serializedValue);
mObject.SetStr(payload);
}
void GleanObject::TestGetValue(JSContext* aCx, const nsACString& aPingName,
JS::MutableHandle<JSObject*> aResult,
ErrorResult& aRv) {
aResult.set(nullptr);
auto result = mObject.TestGetValue(aPingName);
if (result.isErr()) {
aRv.ThrowDataError(result.unwrapErr());
return;
}
auto optresult = result.unwrap();
if (optresult.isNothing()) {
return;
}
const NS_ConvertUTF8toUTF16 str(optresult.ref());
JS::Rooted<JS::Value> json(aCx);
bool res = JS_ParseJSON(aCx, str.get(), str.Length(), &json);
if (!res) {
aRv.ThrowDataError("couldn't parse stored object");
return;
}
if (!json.isObject()) {
aRv.ThrowDataError("stored data does not represent a valid object");
return;
}
aResult.set(&json.toObject());
}
} // namespace mozilla::glean
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