image/src/ImageWrapper.h

Thu, 22 Jan 2015 13:21:57 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 22 Jan 2015 13:21:57 +0100
branch
TOR_BUG_9701
changeset 15
b8a032363ba2
permissions
-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0 2 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 3 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 5
michael@0 6 #ifndef MOZILLA_IMAGELIB_IMAGEWRAPPER_H_
michael@0 7 #define MOZILLA_IMAGELIB_IMAGEWRAPPER_H_
michael@0 8
michael@0 9 #include "mozilla/MemoryReporting.h"
michael@0 10 #include "Image.h"
michael@0 11
michael@0 12 namespace mozilla {
michael@0 13 namespace image {
michael@0 14
michael@0 15 /**
michael@0 16 * Abstract superclass for Images that wrap other Images.
michael@0 17 */
michael@0 18 class ImageWrapper : public Image
michael@0 19 {
michael@0 20 public:
michael@0 21 NS_DECL_ISUPPORTS
michael@0 22 NS_DECL_IMGICONTAINER
michael@0 23
michael@0 24 virtual ~ImageWrapper() { }
michael@0 25
michael@0 26 // Inherited methods from Image.
michael@0 27 virtual nsresult Init(const char* aMimeType, uint32_t aFlags) MOZ_OVERRIDE;
michael@0 28
michael@0 29 virtual already_AddRefed<imgStatusTracker> GetStatusTracker() MOZ_OVERRIDE;
michael@0 30 virtual nsIntRect FrameRect(uint32_t aWhichFrame) MOZ_OVERRIDE;
michael@0 31
michael@0 32 virtual uint32_t SizeOfData() MOZ_OVERRIDE;
michael@0 33 virtual size_t HeapSizeOfSourceWithComputedFallback(mozilla::MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE;
michael@0 34 virtual size_t HeapSizeOfDecodedWithComputedFallback(mozilla::MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE;
michael@0 35 virtual size_t NonHeapSizeOfDecoded() const MOZ_OVERRIDE;
michael@0 36 virtual size_t OutOfProcessSizeOfDecoded() const MOZ_OVERRIDE;
michael@0 37
michael@0 38 virtual void IncrementAnimationConsumers() MOZ_OVERRIDE;
michael@0 39 virtual void DecrementAnimationConsumers() MOZ_OVERRIDE;
michael@0 40 #ifdef DEBUG
michael@0 41 virtual uint32_t GetAnimationConsumers() MOZ_OVERRIDE;
michael@0 42 #endif
michael@0 43
michael@0 44 virtual nsresult OnImageDataAvailable(nsIRequest* aRequest,
michael@0 45 nsISupports* aContext,
michael@0 46 nsIInputStream* aInStr,
michael@0 47 uint64_t aSourceOffset,
michael@0 48 uint32_t aCount) MOZ_OVERRIDE;
michael@0 49 virtual nsresult OnImageDataComplete(nsIRequest* aRequest,
michael@0 50 nsISupports* aContext,
michael@0 51 nsresult aStatus,
michael@0 52 bool aLastPart) MOZ_OVERRIDE;
michael@0 53 virtual nsresult OnNewSourceData() MOZ_OVERRIDE;
michael@0 54
michael@0 55 virtual void SetInnerWindowID(uint64_t aInnerWindowId) MOZ_OVERRIDE;
michael@0 56 virtual uint64_t InnerWindowID() const MOZ_OVERRIDE;
michael@0 57
michael@0 58 virtual bool HasError() MOZ_OVERRIDE;
michael@0 59 virtual void SetHasError() MOZ_OVERRIDE;
michael@0 60
michael@0 61 virtual ImageURL* GetURI() MOZ_OVERRIDE;
michael@0 62
michael@0 63 protected:
michael@0 64 ImageWrapper(Image* aInnerImage)
michael@0 65 : mInnerImage(aInnerImage)
michael@0 66 {
michael@0 67 NS_ABORT_IF_FALSE(aInnerImage, "Cannot wrap a null image");
michael@0 68 }
michael@0 69
michael@0 70 /**
michael@0 71 * Returns a weak reference to the inner image wrapped by this ImageWrapper.
michael@0 72 */
michael@0 73 Image* InnerImage() { return mInnerImage.get(); }
michael@0 74
michael@0 75 private:
michael@0 76 nsRefPtr<Image> mInnerImage;
michael@0 77 };
michael@0 78
michael@0 79 } // namespace image
michael@0 80 } // namespace mozilla
michael@0 81
michael@0 82 #endif // MOZILLA_IMAGELIB_IMAGEWRAPPER_H_

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