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110 lines
4.5 KiB
Plaintext
110 lines
4.5 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 Places code.
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*
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* The Initial Developer of the Original Code is the Mozilla Foundation.
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*
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* Portions created by the Initial Developer are Copyright (C) 2011
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Justin Lebar <justin.lebar@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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interface nsIURI;
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interface nsIFaviconDataCallback;
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/**
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* Interface for accessing the favicon service asynchronously.
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*
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* @status EXPERIMENTAL
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*/
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[scriptable, uuid(6D2B0507-245F-452D-9718-5595DCD3CD14)]
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interface mozIAsyncFavicons : nsISupports
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{
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/**
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* Declares that a given page uses a favicon with the given URI and
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* attempts to fetch and save the icon data by loading the favicon URI
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* through an async network request.
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*
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* If the icon data already exists, we won't try to reload the icon unless
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* aForceReload is true. Similarly, if the icon is in the failed favicon
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* cache we won't do anything unless aForceReload is true, in which case
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* we'll try to reload the favicon.
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*
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* This function will only save favicons for "good" URIs, as defined by what
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* gets added to history or is a bookmark. For "bad" URIs, this function
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* will succeed but do nothing. This function will also ignore the error
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* page favicon URI (see FAVICON_ERRORPAGE_URL below).
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*
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* Icons that fail to load will automatically be added to the failed favicon
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* cache, and this function will not save favicons for non-bookmarked URIs
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* when history is disabled.
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*
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* @note This function is identical to
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* nsIFaviconService::setAndLoadFaviconForPage.
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*
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* @param aPageURI
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* URI of the page whose favicon is being set.
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* @param aFaviconURI
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* URI of the favicon to associate with the page.
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* @param aForceReload
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* If aForceReload is false, we try to reload the favicon only if we
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* don't have it or it has expired from the cache. Setting
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* aForceReload to true causes us to reload the favicon even if we
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* have a usable copy.
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* @param aCallback
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* Once we're done setting and/or fetching the favicon, we invoke this
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* callback.
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*
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* @see nsIFaviconDataCallback in nsIFaviconService.idl.
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*/
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void setAndFetchFaviconForPage(in nsIURI aPageURI,
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in nsIURI aFaviconURI,
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in boolean aForceReload,
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[optional] in nsIFaviconDataCallback aCallback);
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/**
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* Retrieve the URL of the favicon for the given page.
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*
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* @param aPageURI
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* URI of the page whose favicon's URL we're looking up
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* @param aCallback
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* Once we've found the favicon's URL, we invoke this callback. Note
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* that the callback's aDataLen will be 0, aData will be null, and
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* aMimeType will be empty -- only aURI will be non-zero/null/empty.
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*
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* @see nsIFaviconDataCallback in nsIFaviconService.idl.
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*/
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void getFaviconURLForPage(in nsIURI aPageURI,
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in nsIFaviconDataCallback aCallback);
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};
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