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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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_permissionrequestbase_h__
#define mozilla_dom_indexeddb_permissionrequestbase_h__
#include "mozilla/Attributes.h"
#include "nsCOMPtr.h"
#include "nsIInterfaceRequestor.h"
#include "nsIObserver.h"
#include "nsIPermissionManager.h"
#include "nsISupportsImpl.h"
#include "nsString.h"
class nsIPrincipal;
namespace mozilla {
namespace dom {
class Element;
namespace indexedDB {
class PermissionRequestBase
: public nsIObserver
, public nsIInterfaceRequestor
{
nsCOMPtr<Element> mOwnerElement;
nsCOMPtr<nsIPrincipal> mPrincipal;
public:
enum PermissionValue {
kPermissionAllowed = nsIPermissionManager::ALLOW_ACTION,
kPermissionDenied = nsIPermissionManager::DENY_ACTION,
kPermissionPrompt = nsIPermissionManager::PROMPT_ACTION
};
NS_DECL_ISUPPORTS
// This function will not actually prompt. It will never return
// kPermissionDefault but will instead translate the permission manager value
// into the correct value for the given type.
static nsresult
GetCurrentPermission(nsIPrincipal* aPrincipal,
PermissionValue* aCurrentValue);
static PermissionValue
PermissionValueForIntPermission(uint32_t aIntPermission);
// This function will prompt if needed. It may only be called once.
nsresult
PromptIfNeeded(PermissionValue* aCurrentValue);
protected:
PermissionRequestBase(Element* aOwnerElement,
nsIPrincipal* aPrincipal);
// Reference counted.
virtual
~PermissionRequestBase();
virtual void
OnPromptComplete(PermissionValue aPermissionValue) = 0;
private:
void
SetExplicitPermission(nsIPrincipal* aPrincipal,
uint32_t aIntPermission);
NS_DECL_NSIOBSERVER
NS_DECL_NSIINTERFACEREQUESTOR
};
} // namespace indexedDB
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_indexeddb_permissionrequestbase_h__
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