The Tor Browser / file comparison
comparison: image/src/Image.cpp
image/src/Image.cpp
- branch
- TOR_BUG_9701
- changeset 10
- ac0c01689b40
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| -1:000000000000 | 0:a3bf221f7371 |
|---|---|
| 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/. */ | |
| 5 | |
| 6 #include "nsMimeTypes.h" | |
| 7 | |
| 8 #include "Image.h" | |
| 9 | |
| 10 namespace mozilla { | |
| 11 namespace image { | |
| 12 | |
| 13 // Constructor | |
| 14 ImageResource::ImageResource(ImageURL* aURI) : | |
| 15 mURI(aURI), | |
| 16 mInnerWindowId(0), | |
| 17 mAnimationConsumers(0), | |
| 18 mAnimationMode(kNormalAnimMode), | |
| 19 mInitialized(false), | |
| 20 mAnimating(false), | |
| 21 mError(false) | |
| 22 { | |
| 23 } | |
| 24 | |
| 25 uint32_t | |
| 26 ImageResource::SizeOfData() | |
| 27 { | |
| 28 if (mError) | |
| 29 return 0; | |
| 30 | |
| 31 // This is not used by memory reporters, but for sizing the cache, which is | |
| 32 // why it uses |moz_malloc_size_of| rather than a | |
| 33 // |MOZ_DEFINE_MALLOC_SIZE_OF|. | |
| 34 return uint32_t(HeapSizeOfSourceWithComputedFallback(moz_malloc_size_of) + | |
| 35 HeapSizeOfDecodedWithComputedFallback(moz_malloc_size_of) + | |
| 36 NonHeapSizeOfDecoded() + | |
| 37 OutOfProcessSizeOfDecoded()); | |
| 38 } | |
| 39 | |
| 40 // Translates a mimetype into a concrete decoder | |
| 41 Image::eDecoderType | |
| 42 Image::GetDecoderType(const char *aMimeType) | |
| 43 { | |
| 44 // By default we don't know | |
| 45 eDecoderType rv = eDecoderType_unknown; | |
| 46 | |
| 47 // PNG | |
| 48 if (!strcmp(aMimeType, IMAGE_PNG)) | |
| 49 rv = eDecoderType_png; | |
| 50 else if (!strcmp(aMimeType, IMAGE_X_PNG)) | |
| 51 rv = eDecoderType_png; | |
| 52 | |
| 53 // GIF | |
| 54 else if (!strcmp(aMimeType, IMAGE_GIF)) | |
| 55 rv = eDecoderType_gif; | |
| 56 | |
| 57 | |
| 58 // JPEG | |
| 59 else if (!strcmp(aMimeType, IMAGE_JPEG)) | |
| 60 rv = eDecoderType_jpeg; | |
| 61 else if (!strcmp(aMimeType, IMAGE_PJPEG)) | |
| 62 rv = eDecoderType_jpeg; | |
| 63 else if (!strcmp(aMimeType, IMAGE_JPG)) | |
| 64 rv = eDecoderType_jpeg; | |
| 65 | |
| 66 // BMP | |
| 67 else if (!strcmp(aMimeType, IMAGE_BMP)) | |
| 68 rv = eDecoderType_bmp; | |
| 69 else if (!strcmp(aMimeType, IMAGE_BMP_MS)) | |
| 70 rv = eDecoderType_bmp; | |
| 71 | |
| 72 | |
| 73 // ICO | |
| 74 else if (!strcmp(aMimeType, IMAGE_ICO)) | |
| 75 rv = eDecoderType_ico; | |
| 76 else if (!strcmp(aMimeType, IMAGE_ICO_MS)) | |
| 77 rv = eDecoderType_ico; | |
| 78 | |
| 79 // Icon | |
| 80 else if (!strcmp(aMimeType, IMAGE_ICON_MS)) | |
| 81 rv = eDecoderType_icon; | |
| 82 | |
| 83 return rv; | |
| 84 } | |
| 85 | |
| 86 void | |
| 87 ImageResource::IncrementAnimationConsumers() | |
| 88 { | |
| 89 MOZ_ASSERT(NS_IsMainThread(), "Main thread only to encourage serialization " | |
| 90 "with DecrementAnimationConsumers"); | |
| 91 mAnimationConsumers++; | |
| 92 } | |
| 93 | |
| 94 void | |
| 95 ImageResource::DecrementAnimationConsumers() | |
| 96 { | |
| 97 MOZ_ASSERT(NS_IsMainThread(), "Main thread only to encourage serialization " | |
| 98 "with IncrementAnimationConsumers"); | |
| 99 NS_ABORT_IF_FALSE(mAnimationConsumers >= 1, "Invalid no. of animation consumers!"); | |
| 100 mAnimationConsumers--; | |
| 101 } | |
| 102 | |
| 103 nsresult | |
| 104 ImageResource::GetAnimationModeInternal(uint16_t* aAnimationMode) | |
| 105 { | |
| 106 if (mError) | |
| 107 return NS_ERROR_FAILURE; | |
| 108 | |
| 109 NS_ENSURE_ARG_POINTER(aAnimationMode); | |
| 110 | |
| 111 *aAnimationMode = mAnimationMode; | |
| 112 return NS_OK; | |
| 113 } | |
| 114 | |
| 115 nsresult | |
| 116 ImageResource::SetAnimationModeInternal(uint16_t aAnimationMode) | |
| 117 { | |
| 118 if (mError) | |
| 119 return NS_ERROR_FAILURE; | |
| 120 | |
| 121 NS_ASSERTION(aAnimationMode == kNormalAnimMode || | |
| 122 aAnimationMode == kDontAnimMode || | |
| 123 aAnimationMode == kLoopOnceAnimMode, | |
| 124 "Wrong Animation Mode is being set!"); | |
| 125 | |
| 126 mAnimationMode = aAnimationMode; | |
| 127 | |
| 128 return NS_OK; | |
| 129 } | |
| 130 | |
| 131 void | |
| 132 ImageResource::EvaluateAnimation() | |
| 133 { | |
| 134 if (!mAnimating && ShouldAnimate()) { | |
| 135 nsresult rv = StartAnimation(); | |
| 136 mAnimating = NS_SUCCEEDED(rv); | |
| 137 } else if (mAnimating && !ShouldAnimate()) { | |
| 138 StopAnimation(); | |
| 139 } | |
| 140 } | |
| 141 | |
| 142 } // namespace image | |
| 143 } // namespace mozilla |
