2007-03-22 10:30:00 -07:00
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1999
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Radha Kulkarni (radha@netscape.com)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsISupports.idl"
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interface nsIHistoryEntry;
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interface nsISHistoryListener;
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interface nsISimpleEnumerator;
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/**
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* An interface to the primary properties of the Session History
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* component. In an embedded browser environment, the nsIWebBrowser
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* object creates an instance of session history for each open window.
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* A handle to the session history object can be obtained from
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* nsIWebNavigation. In a non-embedded situation, the owner of the
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* session history component must create a instance of it and set
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* it in the nsIWebNavigation object.
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2010-07-02 07:27:06 -07:00
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* This interface is accessible from javascript.
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2007-03-22 10:30:00 -07:00
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*/
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%{C++
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#define NS_SHISTORY_CID \
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{0x7294fe9c, 0x14d8, 0x11d5, {0x98, 0x82, 0x00, 0xC0, 0x4f, 0xa0, 0x2f, 0x40}}
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#define NS_SHISTORY_CONTRACTID "@mozilla.org/browser/shistory;1"
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%}
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[scriptable, uuid(9883609F-CDD8-4d83-9B55-868FF08AD433)]
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interface nsISHistory: nsISupports
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{
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/**
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* A readonly property of the interface that returns
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* the number of toplevel documents currently available
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* in session history.
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*/
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readonly attribute long count;
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/**
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* A readonly property of the interface that returns
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* the index of the current document in session history.
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*/
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readonly attribute long index;
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/**
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* A readonly property of the interface that returns
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2008-04-13 18:36:04 -07:00
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* the index of the last document that started to load and
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* didn't finished yet. When document finishes the loading
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* value -1 is returned.
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2007-03-22 10:30:00 -07:00
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*/
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readonly attribute long requestedIndex;
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/**
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* A read/write property of the interface, used to Get/Set
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* the maximum number of toplevel documents, session history
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* can hold for each instance.
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*/
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attribute long maxLength;
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/**
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* Called to obtain handle to the history entry at a
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* given index.
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*
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* @param index The index value whose entry is requested.
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* @param modifyIndex A boolean flag that indicates if the current
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* index of session history should be modified
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* to the parameter index.
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*
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* @return <code>NS_OK</code> history entry for
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* the index is obtained successfully.
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* <code>NS_ERROR_FAILURE</code> Error in obtaining
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* history entry for the given index.
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*/
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nsIHistoryEntry getEntryAtIndex(in long index, in boolean modifyIndex);
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/**
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* Called to purge older documents from history.
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* Documents can be removed from session history for various
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* reasons. For example to control memory usage of the browser, to
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* prevent users from loading documents from history, to erase evidence of
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* prior page loads etc...
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*
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* @param numEntries The number of toplevel documents to be
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* purged from history. During purge operation,
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* the latest documents are maintained and older
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* 'numEntries' documents are removed from history.
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* @throws <code>NS_SUCCESS_LOSS_OF_INSIGNIFICANT_DATA</code> Purge was vetod.
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* @throws <code>NS_ERROR_FAILURE</code> numEntries is
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* invalid or out of bounds with the size of history.
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*
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*/
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void PurgeHistory(in long numEntries);
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/**
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* Called to register a listener for the session history component.
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* Listeners are notified when pages are loaded or purged from history.
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*
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* @param aListener Listener object to be notified for all
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* page loads that initiate in session history.
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*
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* @note A listener object must implement
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* nsISHistoryListener and nsSupportsWeakReference
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*
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* @see nsISHistoryListener
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* @see nsSupportsWeakReference
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*/
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void addSHistoryListener(in nsISHistoryListener aListener);
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/**
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* Called to remove a listener for the session history component.
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* Listeners are notified when pages are loaded from history.
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*
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* @param aListener Listener object to be removed from
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* session history.
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*
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* @note A listener object must implement
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* nsISHistoryListener and nsSupportsWeakReference
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* @see nsISHistoryListener
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* @see nsSupportsWeakReference
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*/
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void removeSHistoryListener(in nsISHistoryListener aListener);
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/**
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* Called to obtain a enumerator for all the documents stored in
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* session history. The enumerator object thus returned by this method
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* can be traversed using nsISimpleEnumerator.
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*
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* @note To access individual history entries of the enumerator, perform the
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* following steps:
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* 1) Call nsISHistory->GetSHistoryEnumerator() to obtain handle
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* the nsISimpleEnumerator object.
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* 2) Use nsISimpleEnumerator->GetNext() on the object returned
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* by step #1 to obtain handle to the next object in the list.
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* The object returned by this step is of type nsISupports.
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* 3) Perform a QueryInterface on the object returned by step #2
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* to nsIHistoryEntry.
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* 4) Use nsIHistoryEntry to access properties of each history entry.
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*
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* @see nsISimpleEnumerator
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* @see nsIHistoryEntry
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* @see QueryInterface()
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* @see do_QueryInterface()
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*/
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readonly attribute nsISimpleEnumerator SHistoryEnumerator;
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};
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2010-12-27 13:22:46 -08:00
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[scriptable, uuid(ac8b3eb3-2051-4cce-8303-d6e7938501dd)]
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interface nsISHistory_2_0_BRANCH: nsISHistory
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{
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void reloadCurrentEntry();
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};
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