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104 lines
4.3 KiB
Plaintext
104 lines
4.3 KiB
Plaintext
/* -*- Mode: C++; tab-width: 4; 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 the Mozilla gecko engine.
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*
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* The Initial Developer of the Original Code is
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* Google Inc.
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* Portions created by the Initial Developer are Copyright (C) 2006
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Brett Wilson <brettw@gmail.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 the GNU General Public License Version 2 or later (the "GPL"), or
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* 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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#include "nsIGlobalHistory2.idl"
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interface nsIChannel;
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%{C++
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// This is NOT part of the interface! It could change.
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#define NS_GECKO_FLAG_NEEDS_VERTICAL_SCROLLBAR (1 << 0)
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%}
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/**
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* Provides information about global history to gecko, extending GlobalHistory2
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*/
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[scriptable, uuid(24306852-c60e-49c3-a455-90f6747118ba)]
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interface nsIGlobalHistory3 : nsIGlobalHistory2
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{
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/**
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* Notifies the history system that the page loading via aOldChannel
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* redirected to aNewChannel. Implementations should generally add the URI for
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* aOldChannel to history for link coloring, but are advised not to expose it
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* in the history user interface. This function is preferred if
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* nsIGlobalHistory3 is available. Otherwise, nsIGlobalHistory2.addURI should
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* be called with redirect=true.
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*
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* This function is preferred to nsIGlobalHistory2.addURI because it provides
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* more information (including the redirect destination, channels involved,
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* and redirect flags) to the history implementation.
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*
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* For implementors of nsIGlobalHistory3: The history implementation is
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* responsible for sending NS_LINK_VISITED_EVENT_TOPIC to observers for
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* redirect pages. This notification must be sent for history consumers for
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* all non-redirect pages.
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*
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* @param aToplevel whether the URI is loaded in a top-level window. If
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* false, the load is in a subframe.
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*
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* The other params to this function are the same as those for
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* nsIChannelEventSink::OnChannelRedirect.
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*
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* Note: Implementors who wish to implement this interface but rely on
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* nsIGlobalHistory2.addURI for redirect processing may throw
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* NS_ERROR_NOT_IMPLEMENTED from this method. If they do so, then callers
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* must call nsIGlobalHistory2.addURI upon getting the
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* NS_ERROR_NOT_IMPLEMENTED result.
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*/
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void addDocumentRedirect(in nsIChannel aOldChannel,
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in nsIChannel aNewChannel,
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in PRInt32 aFlags,
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in boolean aTopLevel);
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/**
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* Get the Gecko flags for this URI. These flags are used by Gecko as hints
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* to optimize page loading. Not all histories have them; this need not be
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* supported (just return NS_ERROR_NOT_IMPLEMENTED. These flags are opaque
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* and should not be interpreted by the history engine.
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*/
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unsigned long getURIGeckoFlags(in nsIURI aURI);
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/**
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* Set the Gecko flags for this URI. May fail if the history entry
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* doesn't have any flags or if there is no entry for the URI.
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*/
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void setURIGeckoFlags(in nsIURI aURI, in unsigned long aFlags);
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};
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