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- /** -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
- *
- * ***** 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 mozilla.org code.
- *
- * The Initial Developer of the Original Code is
- * Netscape Communications Corporation.
- * Portions created by the Initial Developer are Copyright (C) 2001
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- * Stuart Parmenter <pavlov@netscape.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"
- #include "gfxtypes.idl"
- #include "gfxIFormats.idl"
-
- interface gfxIImageFrame;
- interface imgIContainerObserver;
-
- /**
- * gfxIImageContainer interface
- *
- * @author Stuart Parmenter <pavlov@netscape.com>
- * @version 0.1
- * @see "gfx2"
- */
- [scriptable, uuid(1a6290e6-8285-4e10-963d-d001f8d327b8)]
- interface imgIContainer : nsISupports
- {
- /**
- * Create a new \a aWidth x \a aHeight sized image container.
- *
- * @param aWidth The width of the container in which all the
- * gfxIImageFrame children will fit.
- * @param aHeight The height of the container in which all the
- * gfxIImageFrame children will fit.
- * @param aObserver Observer to send animation notifications to.
- */
- void init(in PRInt32 aWidth,
- in PRInt32 aHeight,
- in imgIContainerObserver aObserver);
-
-
- /* this should probably be on the device context (or equiv) */
- readonly attribute gfx_format preferredAlphaChannelFormat;
-
- /**
- * The width of the container rectangle.
- */
- readonly attribute PRInt32 width;
-
- /**
- * The height of the container rectangle.
- */
- readonly attribute PRInt32 height;
-
-
- /**
- * Get the current frame that would be drawn if the image was to be drawn now
- */
- readonly attribute gfxIImageFrame currentFrame;
-
-
- readonly attribute unsigned long numFrames;
-
- /**
- * Animation mode Constants
- * 0 = normal
- * 1 = don't animate
- * 2 = loop once
- */
- const short kNormalAnimMode = 0;
- const short kDontAnimMode = 1;
- const short kLoopOnceAnimMode = 2;
-
- attribute unsigned short animationMode;
-
- gfxIImageFrame getFrameAt(in unsigned long index);
-
- /**
- * Adds \a item to the end of the list of frames.
- * @param item frame to add.
- */
- void appendFrame(in gfxIImageFrame item);
-
- void removeFrame(in gfxIImageFrame item);
-
- /* notification when the current frame is done decoding */
- void endFrameDecode(in unsigned long framenumber, in unsigned long timeout);
-
- /* notification that the entire image has been decoded */
- void decodingComplete();
-
- void clear();
-
- void startAnimation();
-
- void stopAnimation();
-
- void resetAnimation();
-
- /* animation stuff */
-
- /**
- * number of times to loop the image.
- * @note -1 means forever.
- */
- attribute long loopCount;
- };
-