gecko-dev/toolkit/components/alerts/AlertNotificationIPCSerializer.h
Kit Cambridge 0d37a8bacb Bug 1227300, Part 1 - Add an alert notification component. r=MattN,wchen
--HG--
extra : commitid : Jd0utRQq7sC
extra : rebase_source : 1ff47988d3e031af5fb7169e2c604b3dbf76c2d8
2015-12-03 08:44:25 -08:00

120 lines
3.7 KiB
C++

/* 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/. */
#ifndef mozilla_AlertNotificationIPCSerializer_h__
#define mozilla_AlertNotificationIPCSerializer_h__
#include "nsComponentManagerUtils.h"
#include "nsCOMPtr.h"
#include "nsIAlertsService.h"
#include "nsIPrincipal.h"
#include "nsString.h"
#include "ipc/IPCMessageUtils.h"
#include "mozilla/dom/PermissionMessageUtils.h"
typedef nsIAlertNotification* AlertNotificationType;
namespace IPC {
template <>
struct ParamTraits<AlertNotificationType>
{
typedef AlertNotificationType paramType;
static void Write(Message* aMsg, const paramType& aParam)
{
bool isNull = !aParam;
if (isNull) {
WriteParam(aMsg, isNull);
return;
}
nsString name, imageURL, title, text, cookie, dir, lang, data;
bool textClickable, inPrivateBrowsing;
nsCOMPtr<nsIPrincipal> principal;
if (NS_WARN_IF(NS_FAILED(aParam->GetName(name))) ||
NS_WARN_IF(NS_FAILED(aParam->GetImageURL(imageURL))) ||
NS_WARN_IF(NS_FAILED(aParam->GetTitle(title))) ||
NS_WARN_IF(NS_FAILED(aParam->GetText(text))) ||
NS_WARN_IF(NS_FAILED(aParam->GetTextClickable(&textClickable))) ||
NS_WARN_IF(NS_FAILED(aParam->GetCookie(cookie))) ||
NS_WARN_IF(NS_FAILED(aParam->GetDir(dir))) ||
NS_WARN_IF(NS_FAILED(aParam->GetLang(lang))) ||
NS_WARN_IF(NS_FAILED(aParam->GetData(data))) ||
NS_WARN_IF(NS_FAILED(aParam->GetPrincipal(getter_AddRefs(principal)))) ||
NS_WARN_IF(NS_FAILED(aParam->GetInPrivateBrowsing(&inPrivateBrowsing)))) {
// Write a `null` object if any getter returns an error. Otherwise, the
// receiver will try to deserialize an incomplete object and crash.
WriteParam(aMsg, /* isNull */ true);
return;
}
WriteParam(aMsg, isNull);
WriteParam(aMsg, name);
WriteParam(aMsg, imageURL);
WriteParam(aMsg, title);
WriteParam(aMsg, text);
WriteParam(aMsg, textClickable);
WriteParam(aMsg, cookie);
WriteParam(aMsg, dir);
WriteParam(aMsg, lang);
WriteParam(aMsg, data);
WriteParam(aMsg, IPC::Principal(principal));
WriteParam(aMsg, inPrivateBrowsing);
}
static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
{
bool isNull;
NS_ENSURE_TRUE(ReadParam(aMsg, aIter, &isNull), false);
if (isNull) {
*aResult = nullptr;
return true;
}
nsString name, imageURL, title, text, cookie, dir, lang, data;
bool textClickable, inPrivateBrowsing;
IPC::Principal principal;
if (!ReadParam(aMsg, aIter, &name) ||
!ReadParam(aMsg, aIter, &imageURL) ||
!ReadParam(aMsg, aIter, &title) ||
!ReadParam(aMsg, aIter, &text) ||
!ReadParam(aMsg, aIter, &textClickable) ||
!ReadParam(aMsg, aIter, &cookie) ||
!ReadParam(aMsg, aIter, &dir) ||
!ReadParam(aMsg, aIter, &lang) ||
!ReadParam(aMsg, aIter, &data) ||
!ReadParam(aMsg, aIter, &principal) ||
!ReadParam(aMsg, aIter, &inPrivateBrowsing)) {
return false;
}
nsCOMPtr<nsIAlertNotification> alert =
do_CreateInstance(ALERT_NOTIFICATION_CONTRACTID);
if (NS_WARN_IF(!alert)) {
*aResult = nullptr;
return true;
}
nsresult rv = alert->Init(name, imageURL, title, text, textClickable,
cookie, dir, lang, data, principal,
inPrivateBrowsing);
if (NS_WARN_IF(NS_FAILED(rv))) {
*aResult = nullptr;
return true;
}
alert.forget(aResult);
return true;
}
};
} // namespace IPC
#endif /* mozilla_AlertNotificationIPCSerializer_h__ */