зеркало из https://github.com/mozilla/gecko-dev.git
59 строки
2.1 KiB
Plaintext
59 строки
2.1 KiB
Plaintext
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsISupports.idl"
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interface imgIRequest;
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%{C++
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#include "nsRect.h"
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%}
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[ptr] native nsIntRect(nsIntRect);
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[scriptable, builtinclass, uuid(03da5641-a333-454a-a859-036d0bb683b7)]
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interface imgINotificationObserver : nsISupports
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{
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// GetWidth() and GetHeight() can now be used to retrieve the size of the
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// image.
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const long SIZE_AVAILABLE = 1;
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// A region of the image (indicated by the |aRect| argument to |notify|) has
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// changed, and needs to be redrawn. This is triggered both for incremental
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// rendering as the image gets decoded and for changes due to animation.
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const long FRAME_UPDATE = 2;
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// The first frame of the image is now decoded and ready to draw.
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const long FRAME_COMPLETE = 3;
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// The entire image has been loaded. That doesn't mean that it has been
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// decoded, but it does mean that imgIContainer::Draw is guaranteed to succeed
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// (modulo decode errors, at least) if you specify FLAG_SYNC_DECODE.
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const long LOAD_COMPLETE = 4;
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// The entire image has been decoded.
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const long DECODE_COMPLETE = 5;
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// The decoded version of the image has been discarded. Content should never
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// change as a result of this notification - discarding is an implementation
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// detail. This notification should normally only be observed by tests.
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const long DISCARD = 6;
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// The image was drawn without being locked. This notification is part of the
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// image locking mechanism that prevents visible images from being discarded;
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// generally only image locking code needs to observe it.
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const long UNLOCKED_DRAW = 7;
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// The image is animated.
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const long IS_ANIMATED = 8;
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// The image is transparent.
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const long HAS_TRANSPARENCY = 9;
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[noscript] void notify(in imgIRequest aProxy, in long aType,
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[const] in nsIntRect aRect);
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};
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