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| 1 /* | 1 /* |
| 2 Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de) | 2 Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de) |
| 3 Copyright (C) 2001 Dirk Mueller <mueller@kde.org> | 3 Copyright (C) 2001 Dirk Mueller <mueller@kde.org> |
| 4 Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com) | 4 Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com) |
| 5 Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved. | 5 Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved. |
| 6 | 6 |
| 7 This library is free software; you can redistribute it and/or | 7 This library is free software; you can redistribute it and/or |
| 8 modify it under the terms of the GNU Library General Public | 8 modify it under the terms of the GNU Library General Public |
| 9 License as published by the Free Software Foundation; either | 9 License as published by the Free Software Foundation; either |
| 10 version 2 of the License, or (at your option) any later version. | 10 version 2 of the License, or (at your option) any later version. |
| (...skipping 23 matching lines...) Expand all Loading... |
| 34 namespace blink { | 34 namespace blink { |
| 35 | 35 |
| 36 class ImageResourceClient; | 36 class ImageResourceClient; |
| 37 class FetchRequest; | 37 class FetchRequest; |
| 38 class ResourceFetcher; | 38 class ResourceFetcher; |
| 39 class FloatSize; | 39 class FloatSize; |
| 40 class Length; | 40 class Length; |
| 41 class MemoryCache; | 41 class MemoryCache; |
| 42 class LayoutObject; | 42 class LayoutObject; |
| 43 class SecurityOrigin; | 43 class SecurityOrigin; |
| 44 class SVGImageForContainer; | |
| 45 | 44 |
| 46 class CORE_EXPORT ImageResource final : public Resource, public ImageObserver { | 45 class CORE_EXPORT ImageResource final : public Resource, public ImageObserver { |
| 47 friend class MemoryCache; | 46 friend class MemoryCache; |
| 48 | 47 |
| 49 public: | 48 public: |
| 50 typedef ImageResourceClient ClientType; | 49 typedef ImageResourceClient ClientType; |
| 51 | 50 |
| 52 static ResourcePtr<ImageResource> fetch(FetchRequest&, ResourceFetcher*); | 51 static ResourcePtr<ImageResource> fetch(FetchRequest&, ResourceFetcher*); |
| 53 | 52 |
| 54 ImageResource(blink::Image*); | 53 ImageResource(blink::Image*); |
| 55 // Exposed for testing | 54 // Exposed for testing |
| 56 ImageResource(const ResourceRequest&, blink::Image*); | 55 ImageResource(const ResourceRequest&, blink::Image*); |
| 57 ~ImageResource() override; | 56 ~ImageResource() override; |
| 58 | 57 |
| 59 void load(ResourceFetcher*, const ResourceLoaderOptions&) override; | 58 void load(ResourceFetcher*, const ResourceLoaderOptions&) override; |
| 60 | 59 |
| 61 blink::Image* image(); // Returns the nullImage() if the image is not availa
ble yet. | 60 blink::Image* image(); // Returns the nullImage() if the image is not availa
ble yet. |
| 62 blink::Image* imageForLayoutObject(const LayoutObject*); // Returns the null
Image() if the image is not available yet. | |
| 63 bool hasImage() const { return m_image.get(); } | 61 bool hasImage() const { return m_image.get(); } |
| 64 // Side effect: ensures decoded image is in cache, therefore should only be
called when about to draw the image. | 62 // Side effect: ensures decoded image is in cache, therefore should only be
called when about to draw the image. |
| 65 // FIXME: Decoding image on the main thread is expensive, so rather than for
cing decode, consider returning false | 63 // FIXME: Decoding image on the main thread is expensive, so rather than for
cing decode, consider returning false |
| 66 // when image is not decoded yet, as we do in case of deferred decoding. | 64 // when image is not decoded yet, as we do in case of deferred decoding. |
| 67 bool currentFrameKnownToBeOpaque(const LayoutObject*); | 65 bool currentFrameKnownToBeOpaque(const LayoutObject*); |
| 68 | 66 |
| 69 static std::pair<blink::Image*, float> brokenImage(float deviceScaleFactor);
// Returns an image and the image's resolution scale factor. | 67 static std::pair<blink::Image*, float> brokenImage(float deviceScaleFactor);
// Returns an image and the image's resolution scale factor. |
| 70 bool willPaintBrokenImage() const; | 68 bool willPaintBrokenImage() const; |
| 71 | 69 |
| 72 bool canRender(const LayoutObject& layoutObject, float multiplier) { return
!errorOccurred() && !imageSizeForLayoutObject(&layoutObject, multiplier).isEmpty
(); } | 70 bool canRender(const LayoutObject& layoutObject, float multiplier) { return
!errorOccurred() && !imageSizeForLayoutObject(&layoutObject, multiplier).isEmpty
(); } |
| 73 | 71 |
| 74 void setContainerSizeForLayoutObject(const ImageResourceClient*, const IntSi
ze&, float); | |
| 75 bool usesImageContainerSize() const; | 72 bool usesImageContainerSize() const; |
| 76 bool imageHasRelativeWidth() const; | 73 bool imageHasRelativeWidth() const; |
| 77 bool imageHasRelativeHeight() const; | 74 bool imageHasRelativeHeight() const; |
| 78 // The device pixel ratio we got from the server for this image, or 1.0. | 75 // The device pixel ratio we got from the server for this image, or 1.0. |
| 79 float devicePixelRatioHeaderValue() const { return m_devicePixelRatioHeaderV
alue; } | 76 float devicePixelRatioHeaderValue() const { return m_devicePixelRatioHeaderV
alue; } |
| 80 bool hasDevicePixelRatioHeaderValue() const { return m_hasDevicePixelRatioHe
aderValue; } | 77 bool hasDevicePixelRatioHeaderValue() const { return m_hasDevicePixelRatioHe
aderValue; } |
| 81 | 78 |
| 82 enum SizeType { | 79 enum SizeType { |
| 83 NormalSize, // Report the size of the image associated with a certain la
youtObject | 80 IntrinsicSize, // Report the intrinsic size. |
| 84 IntrinsicSize, // Report the intrinsic size, i.e. ignore whatever has be
en set extrinsically. | |
| 85 IntrinsicCorrectedToDPR, // Report the intrinsic size corrected to accou
nt for image density. | 81 IntrinsicCorrectedToDPR, // Report the intrinsic size corrected to accou
nt for image density. |
| 86 }; | 82 }; |
| 87 // This method takes a zoom multiplier that can be used to increase the natu
ral size of the image by the zoom. | 83 // This method takes a zoom multiplier that can be used to increase the natu
ral size of the image by the zoom. |
| 88 LayoutSize imageSizeForLayoutObject(const LayoutObject*, float multiplier, S
izeType = NormalSize); // returns the size of the complete image. | 84 LayoutSize imageSizeForLayoutObject(const LayoutObject*, float multiplier, S
izeType = IntrinsicSize); // returns the size of the complete image. |
| 89 void computeIntrinsicDimensions(Length& intrinsicWidth, Length& intrinsicHei
ght, FloatSize& intrinsicRatio); | 85 void computeIntrinsicDimensions(Length& intrinsicWidth, Length& intrinsicHei
ght, FloatSize& intrinsicRatio); |
| 90 | 86 |
| 91 bool isAccessAllowed(SecurityOrigin*); | 87 bool isAccessAllowed(SecurityOrigin*); |
| 92 | 88 |
| 93 void updateImageAnimationPolicy(); | 89 void updateImageAnimationPolicy(); |
| 94 | 90 |
| 95 void didAddClient(ResourceClient*) override; | 91 void didAddClient(ResourceClient*) override; |
| 96 void didRemoveClient(ResourceClient*) override; | 92 void didRemoveClient(ResourceClient*) override; |
| 97 | 93 |
| 98 void allClientsRemoved() override; | 94 void allClientsRemoved() override; |
| (...skipping 36 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 135 ImageResource(const ResourceRequest&); | 131 ImageResource(const ResourceRequest&); |
| 136 | 132 |
| 137 void clear(); | 133 void clear(); |
| 138 | 134 |
| 139 void setCustomAcceptHeader(); | 135 void setCustomAcceptHeader(); |
| 140 void createImage(); | 136 void createImage(); |
| 141 void updateImage(bool allDataReceived); | 137 void updateImage(bool allDataReceived); |
| 142 void clearImage(); | 138 void clearImage(); |
| 143 // If not null, changeRect is the changed part of the image. | 139 // If not null, changeRect is the changed part of the image. |
| 144 void notifyObservers(const IntRect* changeRect = nullptr); | 140 void notifyObservers(const IntRect* changeRect = nullptr); |
| 145 IntSize svgImageSizeForLayoutObject(const LayoutObject*) const; | |
| 146 blink::Image* svgImageForLayoutObject(const LayoutObject*); | |
| 147 bool loadingMultipartContent() const; | 141 bool loadingMultipartContent() const; |
| 148 | 142 |
| 149 float m_devicePixelRatioHeaderValue; | 143 float m_devicePixelRatioHeaderValue; |
| 150 | 144 |
| 151 typedef HashMap<const ImageResourceClient*, RefPtr<SVGImageForContainer>> Im
ageForContainerMap; | |
| 152 OwnPtr<ImageForContainerMap> m_imageForContainerMap; | |
| 153 | |
| 154 RefPtr<blink::Image> m_image; | 145 RefPtr<blink::Image> m_image; |
| 155 bool m_hasDevicePixelRatioHeaderValue; | 146 bool m_hasDevicePixelRatioHeaderValue; |
| 156 }; | 147 }; |
| 157 | 148 |
| 158 DEFINE_RESOURCE_TYPE_CASTS(Image); | 149 DEFINE_RESOURCE_TYPE_CASTS(Image); |
| 159 | 150 |
| 160 } | 151 } |
| 161 | 152 |
| 162 #endif | 153 #endif |
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