gecko-dev/dom/indexedDB/CheckPermissionsHelper.h

58 строки
1.8 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=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/. */
#ifndef mozilla_dom_indexeddb_checkpermissionshelper_h__
#define mozilla_dom_indexeddb_checkpermissionshelper_h__
// Only meant to be included in IndexedDB source files, not exported.
#include "OpenDatabaseHelper.h"
#include "nsIInterfaceRequestor.h"
#include "nsIObserver.h"
#include "nsIRunnable.h"
class nsIDOMWindow;
class nsIThread;
BEGIN_INDEXEDDB_NAMESPACE
class CheckPermissionsHelper MOZ_FINAL : public nsIRunnable,
public nsIInterfaceRequestor,
public nsIObserver
{
public:
NS_DECL_THREADSAFE_ISUPPORTS
NS_DECL_NSIRUNNABLE
NS_DECL_NSIINTERFACEREQUESTOR
NS_DECL_NSIOBSERVER
CheckPermissionsHelper(OpenDatabaseHelper* aHelper,
nsIDOMWindow* aWindow)
: mHelper(aHelper),
mWindow(aWindow),
// If we're trying to delete the database, we should never prompt the user.
// Anything that would prompt is translated to denied.
mPromptAllowed(!aHelper->mForDeletion),
mHasPrompted(false),
mPromptResult(0)
{
NS_ASSERTION(aHelper, "Null pointer!");
NS_ASSERTION(aHelper->mPersistenceType == quota::PERSISTENCE_TYPE_PERSISTENT,
"Checking permission for non persistent databases?!");
}
private:
nsRefPtr<OpenDatabaseHelper> mHelper;
nsCOMPtr<nsIDOMWindow> mWindow;
bool mPromptAllowed;
bool mHasPrompted;
uint32_t mPromptResult;
};
END_INDEXEDDB_NAMESPACE
#endif // mozilla_dom_indexeddb_checkpermissionshelper_h__