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732e327254
This code was added before we decided to do fission, when we wanted to separate out different sites that were in the same process so we could prioritize them better. We are not going down that path so we can simplify this code. There should be no change in functionality with this patch, just simpler code. Differential Revision: https://phabricator.services.mozilla.com/D201705
52 lines
1.7 KiB
C++
52 lines
1.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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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#ifndef mozilla_image_IProgressObserver_h
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#define mozilla_image_IProgressObserver_h
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#include "mozilla/WeakPtr.h"
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#include "nsISupports.h"
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#include "nsRect.h"
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namespace mozilla {
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namespace image {
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/**
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* An interface for observing changes to image state, as reported by
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* ProgressTracker.
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*
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* This is the ImageLib-internal version of imgINotificationObserver,
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* essentially, with implementation details that code outside of ImageLib
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* shouldn't see.
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*
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* XXX(seth): It's preferable to avoid adding anything to this interface if
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* possible. In the long term, it would be ideal to get to a place where we can
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* just use the imgINotificationObserver interface internally as well.
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*/
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class IProgressObserver : public SupportsWeakPtr {
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public:
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// Subclasses may or may not be XPCOM classes, so we just require that they
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// implement AddRef and Release.
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NS_INLINE_DECL_PURE_VIRTUAL_REFCOUNTING
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// imgINotificationObserver methods:
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virtual void Notify(int32_t aType, const nsIntRect* aRect = nullptr) = 0;
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virtual void OnLoadComplete(bool aLastPart) = 0;
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// Other, internal-only methods:
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virtual void SetHasImage() = 0;
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virtual bool NotificationsDeferred() const = 0;
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virtual void MarkPendingNotify() = 0;
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virtual void ClearPendingNotify() = 0;
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protected:
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virtual ~IProgressObserver() = default;
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};
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} // namespace image
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} // namespace mozilla
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#endif // mozilla_image_IProgressObserver_h
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