michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: /* internal interface for observing CSS style sheet loads */
michael@0: 
michael@0: #ifndef nsICSSLoaderObserver_h___
michael@0: #define nsICSSLoaderObserver_h___
michael@0: 
michael@0: #include "nsISupports.h"
michael@0: 
michael@0: #define NS_ICSSLOADEROBSERVER_IID     \
michael@0: { 0x7eb90c74, 0xea0c, 0x4df5,       \
michael@0: {0xa1, 0x5f, 0x95, 0xf0, 0x6a, 0x98, 0xb9, 0x40} }
michael@0: 
michael@0: class nsCSSStyleSheet;
michael@0: 
michael@0: class nsICSSLoaderObserver : public nsISupports {
michael@0: public:
michael@0:   NS_DECLARE_STATIC_IID_ACCESSOR(NS_ICSSLOADEROBSERVER_IID)
michael@0: 
michael@0:   /**
michael@0:    * StyleSheetLoaded is called after aSheet is marked complete and before any
michael@0:    * load events associated with aSheet are fired.
michael@0:    * @param aSheet the sheet that was loaded. Guaranteed to always be
michael@0:    *        non-null, even if aStatus indicates failure.
michael@0:    * @param aWasAlternate whether the sheet was an alternate.  This will always
michael@0:    *        match the value LoadStyleLink or LoadInlineStyle returned in
michael@0:    *        aIsAlternate if one of those methods were used to load the sheet,
michael@0:    *        and will always be false otherwise.
michael@0:    * @param aStatus is a success code if the sheet loaded successfully and a
michael@0:    *        failure code otherwise.  Note that successful load of aSheet
michael@0:    *        doesn't indicate anything about whether the data actually parsed
michael@0:    *        as CSS, and doesn't indicate anything about the status of any child
michael@0:    *        sheets of aSheet.
michael@0:    */
michael@0:   NS_IMETHOD StyleSheetLoaded(nsCSSStyleSheet* aSheet, bool aWasAlternate,
michael@0:                               nsresult aStatus) = 0;
michael@0: };
michael@0: 
michael@0: NS_DEFINE_STATIC_IID_ACCESSOR(nsICSSLoaderObserver, NS_ICSSLOADEROBSERVER_IID)
michael@0: 
michael@0: #endif // nsICSSLoaderObserver_h___