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/* -*- Mode: IDL; tab-width: 2; 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/.
*
* The origin of this IDL file is
* http://www.whatwg.org/html/#the-storage-interface
*
* © Copyright 2004-2011 Apple Computer, Inc., Mozilla Foundation, and
* Opera Software ASA. You are granted a license to use, reproduce
* and create derivative works of this document.
*/
[Exposed=Window]
interface Storage {
[Throws, NeedsSubjectPrincipal]
readonly attribute unsigned long length;
[Throws, NeedsSubjectPrincipal]
DOMString? key(unsigned long index);
[Throws, NeedsSubjectPrincipal]
getter DOMString? getItem(DOMString key);
[Throws, NeedsSubjectPrincipal]
setter void setItem(DOMString key, DOMString value);
[Throws, NeedsSubjectPrincipal]
deleter void removeItem(DOMString key);
[Throws, NeedsSubjectPrincipal]
void clear();
[ChromeOnly]
readonly attribute boolean isSessionOnly;
};
/**
* Testing methods that exist only for the benefit of automated glass-box
* testing. Will never be exposed to content at large and unlikely to be useful
* in a WebDriver context.
*/
partial interface Storage {
/**
* Does a security-check and ensures the underlying database has been opened
* without actually calling any database methods. (Read-only methods will
* have a similar effect but also impact the state of the snapshot.)
*/
[Throws, NeedsSubjectPrincipal, Pref="dom.storage.testing"]
void open();
/**
* Automatically ends any explicit snapshot and drops the reference to the
* underlying database, but does not otherwise perturb the database.
*/
[Throws, NeedsSubjectPrincipal, Pref="dom.storage.testing"]
void close();
/**
* Ensures the database has been opened and initiates an explicit snapshot.
* Snapshots are normally automatically ended and checkpointed back to the
* parent, but explicitly opened snapshots must be explicitly ended via
* `endExplicitSnapshot` or `close`.
*/
[Throws, NeedsSubjectPrincipal, Pref="dom.storage.testing"]
void beginExplicitSnapshot();
/**
* Ends the explicitly begun snapshot and retains the underlying database.
* Compare with `close` which also drops the reference to the database.
*/
[Throws, NeedsSubjectPrincipal, Pref="dom.storage.testing"]
void endExplicitSnapshot();
/**
* Returns true if the underlying database has been opened and it has an
* active snapshot (initialized implicitly or explicitly).
*/
[Throws, NeedsSubjectPrincipal, Pref="dom.storage.testing"]
readonly attribute boolean hasActiveSnapshot;
};
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