mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
144 lines
3.5 KiB
C++
144 lines
3.5 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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#include "nsMimeTypes.h"
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#include "Image.h"
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namespace mozilla {
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namespace image {
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// Constructor
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ImageResource::ImageResource(ImageURL* aURI) :
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mURI(aURI),
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mInnerWindowId(0),
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mAnimationConsumers(0),
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mAnimationMode(kNormalAnimMode),
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mInitialized(false),
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mAnimating(false),
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mError(false)
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{
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}
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uint32_t
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ImageResource::SizeOfData()
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{
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if (mError)
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return 0;
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// This is not used by memory reporters, but for sizing the cache, which is
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// why it uses |moz_malloc_size_of| rather than a
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// |MOZ_DEFINE_MALLOC_SIZE_OF|.
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return uint32_t(HeapSizeOfSourceWithComputedFallback(moz_malloc_size_of) +
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HeapSizeOfDecodedWithComputedFallback(moz_malloc_size_of) +
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NonHeapSizeOfDecoded() +
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OutOfProcessSizeOfDecoded());
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}
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// Translates a mimetype into a concrete decoder
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Image::eDecoderType
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Image::GetDecoderType(const char *aMimeType)
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{
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// By default we don't know
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eDecoderType rv = eDecoderType_unknown;
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// PNG
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if (!strcmp(aMimeType, IMAGE_PNG))
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rv = eDecoderType_png;
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else if (!strcmp(aMimeType, IMAGE_X_PNG))
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rv = eDecoderType_png;
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// GIF
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else if (!strcmp(aMimeType, IMAGE_GIF))
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rv = eDecoderType_gif;
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// JPEG
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else if (!strcmp(aMimeType, IMAGE_JPEG))
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rv = eDecoderType_jpeg;
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else if (!strcmp(aMimeType, IMAGE_PJPEG))
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rv = eDecoderType_jpeg;
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else if (!strcmp(aMimeType, IMAGE_JPG))
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rv = eDecoderType_jpeg;
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// BMP
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else if (!strcmp(aMimeType, IMAGE_BMP))
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rv = eDecoderType_bmp;
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else if (!strcmp(aMimeType, IMAGE_BMP_MS))
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rv = eDecoderType_bmp;
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// ICO
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else if (!strcmp(aMimeType, IMAGE_ICO))
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rv = eDecoderType_ico;
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else if (!strcmp(aMimeType, IMAGE_ICO_MS))
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rv = eDecoderType_ico;
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// Icon
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else if (!strcmp(aMimeType, IMAGE_ICON_MS))
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rv = eDecoderType_icon;
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return rv;
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}
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void
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ImageResource::IncrementAnimationConsumers()
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{
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MOZ_ASSERT(NS_IsMainThread(), "Main thread only to encourage serialization "
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"with DecrementAnimationConsumers");
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mAnimationConsumers++;
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}
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void
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ImageResource::DecrementAnimationConsumers()
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{
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MOZ_ASSERT(NS_IsMainThread(), "Main thread only to encourage serialization "
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"with IncrementAnimationConsumers");
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NS_ABORT_IF_FALSE(mAnimationConsumers >= 1, "Invalid no. of animation consumers!");
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mAnimationConsumers--;
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}
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nsresult
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ImageResource::GetAnimationModeInternal(uint16_t* aAnimationMode)
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{
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if (mError)
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return NS_ERROR_FAILURE;
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NS_ENSURE_ARG_POINTER(aAnimationMode);
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*aAnimationMode = mAnimationMode;
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return NS_OK;
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}
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nsresult
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ImageResource::SetAnimationModeInternal(uint16_t aAnimationMode)
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{
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if (mError)
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return NS_ERROR_FAILURE;
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NS_ASSERTION(aAnimationMode == kNormalAnimMode ||
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aAnimationMode == kDontAnimMode ||
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aAnimationMode == kLoopOnceAnimMode,
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"Wrong Animation Mode is being set!");
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mAnimationMode = aAnimationMode;
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return NS_OK;
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}
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void
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ImageResource::EvaluateAnimation()
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{
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if (!mAnimating && ShouldAnimate()) {
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nsresult rv = StartAnimation();
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mAnimating = NS_SUCCEEDED(rv);
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} else if (mAnimating && !ShouldAnimate()) {
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StopAnimation();
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}
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}
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} // namespace image
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} // namespace mozilla
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