gecko/mobile/android/components/SessionStore.idl
2012-01-27 22:04:54 -08:00

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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is the Session Store component.
*
* The Initial Developer of the Original Code is
* Mozilla Corporation
* Portions created by the Initial Developer are Copyright (C) 2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Mark Finkle <mfinkle@mozilla.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsISupports.idl"
interface nsIDOMWindow;
interface nsIDOMNode;
/**
* nsISessionStore keeps track of the current browsing state.
*
* The nsISessionStore API operates mostly on browser windows and the browser
* tabs contained in them.
*/
[scriptable, uuid(766a09c1-d21b-4bf8-9fe3-8b34b716251a)]
interface nsISessionStore : nsISupports
{
/**
* Get the current browsing state.
* @returns a JSON string representing the session state.
*/
AString getBrowserState();
/**
* Get the number of restore-able tabs for a browser window
*/
unsigned long getClosedTabCount(in nsIDOMWindow aWindow);
/**
* Get closed tab data
*
* @param aWindow is the browser window for which to get closed tab data
* @returns a JSON string representing the list of closed tabs.
*/
AString getClosedTabData(in nsIDOMWindow aWindow);
/**
* @param aWindow is the browser window to reopen a closed tab in.
* @param aIndex is the index of the tab to be restored (FIFO ordered).
* @returns a reference to the reopened tab.
*/
nsIDOMNode undoCloseTab(in nsIDOMWindow aWindow, in unsigned long aIndex);
/**
* @param aWindow is the browser window associated with the closed tab.
* @param aIndex is the index of the closed tab to be removed (FIFO ordered).
*/
nsIDOMNode forgetClosedTab(in nsIDOMWindow aWindow, in unsigned long aIndex);
/**
* @param aTab is the browser tab to get the value for.
* @param aKey is the value's name.
*
* @returns A string value or an empty string if none is set.
*/
AString getTabValue(in nsIDOMNode aTab, in AString aKey);
/**
* @param aTab is the browser tab to set the value for.
* @param aKey is the value's name.
* @param aStringValue is the value itself (use JSON.stringify/parse before setting JS objects).
*/
void setTabValue(in nsIDOMNode aTab, in AString aKey, in AString aStringValue);
/**
* @param aTab is the browser tab to get the value for.
* @param aKey is the value's name.
*/
void deleteTabValue(in nsIDOMNode aTab, in AString aKey);
/**
* @returns A boolean indicating we should restore previous browser session
*/
boolean shouldRestore();
/**
* Restores the previous browser session using a fast, lightweight strategy
* @param aBringToFront should a restored tab be brought to the foreground?
* @param aForceRestore whether we need to force a restore, regardless of the recent crash situation
*/
void restoreLastSession(in boolean aBringToFront, in boolean aForceRestore);
};