1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6 #ifndef MOZILLA_IMAGELIB_IMAGEWRAPPER_H_
7 #define MOZILLA_IMAGELIB_IMAGEWRAPPER_H_
9 #include "mozilla/MemoryReporting.h"
16 * Abstract superclass for Images that wrap other Images.
18 class ImageWrapper
: public Image
24 virtual ~ImageWrapper() { }
26 // Inherited methods from Image.
27 virtual nsresult
Init(const char* aMimeType
, uint32_t aFlags
) MOZ_OVERRIDE
;
29 virtual imgStatusTracker
& GetStatusTracker() MOZ_OVERRIDE
;
30 virtual nsIntRect
FrameRect(uint32_t aWhichFrame
) MOZ_OVERRIDE
;
32 virtual uint32_t SizeOfData() MOZ_OVERRIDE
;
33 virtual size_t HeapSizeOfSourceWithComputedFallback(mozilla::MallocSizeOf aMallocSizeOf
) const MOZ_OVERRIDE
;
34 virtual size_t HeapSizeOfDecodedWithComputedFallback(mozilla::MallocSizeOf aMallocSizeOf
) const MOZ_OVERRIDE
;
35 virtual size_t NonHeapSizeOfDecoded() const MOZ_OVERRIDE
;
36 virtual size_t OutOfProcessSizeOfDecoded() const MOZ_OVERRIDE
;
38 virtual void IncrementAnimationConsumers() MOZ_OVERRIDE
;
39 virtual void DecrementAnimationConsumers() MOZ_OVERRIDE
;
41 virtual uint32_t GetAnimationConsumers() MOZ_OVERRIDE
;
44 virtual nsresult
OnImageDataAvailable(nsIRequest
* aRequest
,
45 nsISupports
* aContext
,
46 nsIInputStream
* aInStr
,
47 uint64_t aSourceOffset
,
48 uint32_t aCount
) MOZ_OVERRIDE
;
49 virtual nsresult
OnImageDataComplete(nsIRequest
* aRequest
,
50 nsISupports
* aContext
,
52 bool aLastPart
) MOZ_OVERRIDE
;
53 virtual nsresult
OnNewSourceData() MOZ_OVERRIDE
;
55 virtual void SetInnerWindowID(uint64_t aInnerWindowId
) MOZ_OVERRIDE
;
56 virtual uint64_t InnerWindowID() const MOZ_OVERRIDE
;
58 virtual bool HasError() MOZ_OVERRIDE
;
59 virtual void SetHasError() MOZ_OVERRIDE
;
61 virtual nsIURI
* GetURI() MOZ_OVERRIDE
;
64 ImageWrapper(Image
* aInnerImage
)
65 : mInnerImage(aInnerImage
)
67 NS_ABORT_IF_FALSE(aInnerImage
, "Cannot wrap a null image");
71 * Returns a weak reference to the inner image wrapped by this ImageWrapper.
73 Image
* InnerImage() { return mInnerImage
.get(); }
76 nsRefPtr
<Image
> mInnerImage
;
80 } // namespace mozilla
82 #endif // MOZILLA_IMAGELIB_IMAGEWRAPPER_H_