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nsISessionStore.idl
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nsISessionStore.idl
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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 Restore component.
*
* The Initial Developer of the Original Code is
* Simon Bünzli <zeniko@gmail.com>
* Portions created by the Initial Developer are Copyright (C) 2006
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Dietrich Ayala <dietrich@mozilla.com>
* Michael Kraft <morac99-firefox@yahoo.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 - i.e.
* tab history, cookies, scroll state, form data, POSTDATA and window features
* - and allows to restore everything into one browser window.
*
* The nsISessionStore API operates mostly on browser windows and the tabbrowser
* tabs contained in them:
*
* * "Browser windows" are those DOM windows having loaded
* chrome://browser/content/browser.xul . From overlays you can just pass the
* global |window| object to the API, though (or |top| from a sidebar).
* From elsewhere you can get browser windows through the nsIWindowMediator
* by looking for "navigator:browser" windows.
*
* * "Tabbrowser tabs" are all the child nodes of a browser window's
* |gBrowser.tabContainer| such as e.g. |gBrowser.selectedTab|.
*/
[scriptable, uuid(59bfaf00-e3d8-4728-b4f0-cc0b9dfb4806)]
interface nsISessionStore : nsISupports
{
/**
* Initialize the service
*/
void init(in nsIDOMWindow aWindow);
/**
* Is it possible to restore the previous session. Will always be false when
* in Private Browsing mode.
*/
attribute boolean canRestoreLastSession;
/**
* Restore the previous session if possible. This will not overwrite the
* current session. Instead the previous session will be merged into the
* current session. Current windows will be reused if they were windows that
* pinned tabs were previously restored into. New windows will be opened as
* needed.
*
* Note: This will throw if there is no previous state to restore. Check with
* canRestoreLastSession first to avoid thrown errors.
*/
void restoreLastSession();
/**
* Get the current browsing state.
* @returns a JSON string representing the session state.
*/
AString getBrowserState();
/**
* Set the browsing state.
* This will immediately restore the state of the whole application to the state
* passed in, *replacing* the current session.
*
* @param aState is a JSON string representing the session state.
*/
void setBrowserState(in AString aState);
/**
* @param aWindow is the browser window whose state is to be returned.
*
* @returns a JSON string representing a session state with only one window.
*/
AString getWindowState(in nsIDOMWindow aWindow);
/**
* @param aWindow is the browser window whose state is to be set.
* @param aState is a JSON string representing a session state.
* @param aOverwrite boolean overwrite existing tabs
*/
void setWindowState(in nsIDOMWindow aWindow, in AString aState, in boolean aOverwrite);
/**
* @param aTab is the tabbrowser tab whose state is to be returned.
*
* @returns a JSON string representing the state of the tab
* (note: doesn't contain cookies - if you need them, use getWindowState instead).
*/
AString getTabState(in nsIDOMNode aTab);
/**
* @param aTab is the tabbrowser tab whose state is to be set.
* @param aState is a JSON string representing a session state.
*/
void setTabState(in nsIDOMNode aTab, in AString aState);
/**
* Duplicates a given tab as thoroughly as possible.
*
* @param aWindow is the browser window into which the tab will be duplicated.
* @param aTab is the tabbrowser tab to duplicate (can be from a different window).
* @param aDelta is the offset to the history entry to load in the duplicated tab.
* @returns a reference to the newly created tab.
*/
nsIDOMNode duplicateTab(in nsIDOMWindow aWindow, in nsIDOMNode aTab,
[optional] in long aDelta);
/**
* 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);
/**
* Get the number of restore-able windows
*/
unsigned long getClosedWindowCount();
/**
* Get closed windows data
*
* @returns a JSON string representing the list of closed windows.
*/
AString getClosedWindowData();
/**
* @param aIndex is the index of the windows to be restored (FIFO ordered).
* @returns the nsIDOMWindow object of the reopened window
*/
nsIDOMWindow undoCloseWindow(in unsigned long aIndex);
/**
* @param aIndex is the index of the closed window to be removed (FIFO ordered).
*
* @throws NS_ERROR_INVALID_ARG
* when aIndex does not map to a closed window
*/
nsIDOMNode forgetClosedWindow(in unsigned long aIndex);
/**
* @param aWindow is the window 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 getWindowValue(in nsIDOMWindow aWindow, in AString aKey);
/**
* @param aWindow is the browser window 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 setWindowValue(in nsIDOMWindow aWindow, in AString aKey, in AString aStringValue);
/**
* @param aWindow is the browser window to get the value for.
* @param aKey is the value's name.
*/
void deleteWindowValue(in nsIDOMWindow aWindow, in AString aKey);
/**
* @param aTab is the tabbrowser 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 tabbrowser 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 tabbrowser tab to get the value for.
* @param aKey is the value's name.
*/
void deleteTabValue(in nsIDOMNode aTab, in AString aKey);
/**
* @param aName is the name of the attribute to save/restore for all tabbrowser tabs.
*/
void persistTabAttribute(in AString aName);
};