зеркало из https://github.com/mozilla/gecko-dev.git
99 строки
3.0 KiB
C++
99 строки
3.0 KiB
C++
/* -*- 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/dom/ToJSValue.h"
|
|
#include "mozilla/dom/DOMException.h"
|
|
#include "mozilla/dom/Exceptions.h"
|
|
#include "mozilla/dom/Promise.h"
|
|
#include "mozilla/dom/WindowProxyHolder.h"
|
|
#include "nsAString.h"
|
|
#include "nsContentUtils.h"
|
|
#include "nsStringBuffer.h"
|
|
#include "xpcpublic.h"
|
|
|
|
namespace mozilla {
|
|
namespace dom {
|
|
|
|
bool ToJSValue(JSContext* aCx, const nsAString& aArgument,
|
|
JS::MutableHandle<JS::Value> aValue) {
|
|
// Make sure we're called in a compartment
|
|
MOZ_ASSERT(JS::CurrentGlobalOrNull(aCx));
|
|
|
|
// XXXkhuey I'd love to use xpc::NonVoidStringToJsval here, but it requires
|
|
// a non-const nsAString for silly reasons.
|
|
nsStringBuffer* sharedBuffer;
|
|
if (!XPCStringConvert::ReadableToJSVal(aCx, aArgument, &sharedBuffer,
|
|
aValue)) {
|
|
return false;
|
|
}
|
|
|
|
if (sharedBuffer) {
|
|
NS_ADDREF(sharedBuffer);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool ToJSValue(JSContext* aCx, nsresult aArgument,
|
|
JS::MutableHandle<JS::Value> aValue) {
|
|
RefPtr<Exception> exception = CreateException(aArgument);
|
|
return ToJSValue(aCx, exception, aValue);
|
|
}
|
|
|
|
bool ToJSValue(JSContext* aCx, ErrorResult& aArgument,
|
|
JS::MutableHandle<JS::Value> aValue) {
|
|
MOZ_ASSERT(aArgument.Failed());
|
|
MOZ_ASSERT(
|
|
!aArgument.IsUncatchableException(),
|
|
"Doesn't make sense to convert uncatchable exception to a JS value!");
|
|
MOZ_ALWAYS_TRUE(aArgument.MaybeSetPendingException(aCx));
|
|
MOZ_ALWAYS_TRUE(JS_GetPendingException(aCx, aValue));
|
|
JS_ClearPendingException(aCx);
|
|
return true;
|
|
}
|
|
|
|
bool ToJSValue(JSContext* aCx, Promise& aArgument,
|
|
JS::MutableHandle<JS::Value> aValue) {
|
|
aValue.setObject(*aArgument.PromiseObj());
|
|
return MaybeWrapObjectValue(aCx, aValue);
|
|
}
|
|
|
|
bool ToJSValue(JSContext* aCx, const WindowProxyHolder& aArgument,
|
|
JS::MutableHandle<JS::Value> aValue) {
|
|
BrowsingContext* bc = aArgument.get();
|
|
if (!bc) {
|
|
aValue.setNull();
|
|
return true;
|
|
}
|
|
JS::Rooted<JSObject*> windowProxy(aCx);
|
|
if (bc->IsInProcess()) {
|
|
windowProxy = bc->GetWindowProxy();
|
|
if (!windowProxy) {
|
|
nsPIDOMWindowOuter* window = bc->GetDOMWindow();
|
|
if (!window) {
|
|
// Torn down enough that we should just return null.
|
|
aValue.setNull();
|
|
return true;
|
|
}
|
|
if (!window->EnsureInnerWindow()) {
|
|
return Throw(aCx, NS_ERROR_UNEXPECTED);
|
|
}
|
|
windowProxy = bc->GetWindowProxy();
|
|
}
|
|
return ToJSValue(aCx, windowProxy, aValue);
|
|
}
|
|
|
|
if (!GetRemoteOuterWindowProxy(aCx, bc, /* aTransplantTo = */ nullptr,
|
|
&windowProxy)) {
|
|
return false;
|
|
}
|
|
aValue.setObjectOrNull(windowProxy);
|
|
return true;
|
|
}
|
|
|
|
} // namespace dom
|
|
} // namespace mozilla
|