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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "Image.h"
#include "imgRequest.h"
#include "WebRenderImageProvider.h"
#include "nsIObserverService.h"
#include "nsRefreshDriver.h"
#include "nsContentUtils.h"
#include "mozilla/Atomics.h"
#include "mozilla/gfx/Point.h"
#include "mozilla/gfx/Rect.h"
#include "mozilla/gfx/SourceSurfaceRawData.h"
#include "mozilla/Services.h"
#include "mozilla/SizeOfState.h"
#include "mozilla/TimeStamp.h"
// for Tie
#include "mozilla/layers/SharedSurfacesChild.h"
namespace mozilla {
namespace image {
WebRenderImageProvider::WebRenderImageProvider(const ImageResource* aImage)
: mProviderId(aImage->GetImageProviderId()) {}
/* static */ ImageProviderId WebRenderImageProvider::AllocateProviderId() {
// Callable on all threads.
static Atomic<ImageProviderId> sProviderId(0u);
return ++sProviderId;
}
///////////////////////////////////////////////////////////////////////////////
// Memory Reporting
///////////////////////////////////////////////////////////////////////////////
ImageMemoryCounter::ImageMemoryCounter(imgRequest* aRequest,
SizeOfState& aState, bool aIsUsed)
: mProgress(UINT32_MAX),
mType(UINT16_MAX),
mIsUsed(aIsUsed),
mHasError(false),
mValidating(false) {
MOZ_ASSERT(aRequest);
// We don't have the image object yet, but we can get some information.
nsCOMPtr<nsIURI> imageURL;
nsresult rv = aRequest->GetURI(getter_AddRefs(imageURL));
if (NS_SUCCEEDED(rv) && imageURL) {
imageURL->GetSpec(mURI);
}
mType = imgIContainer::TYPE_REQUEST;
mHasError = NS_FAILED(aRequest->GetImageErrorCode());
mValidating = !!aRequest->GetValidator();
RefPtr<ProgressTracker> tracker = aRequest->GetProgressTracker();
if (tracker) {
mProgress = tracker->GetProgress();
}
}
ImageMemoryCounter::ImageMemoryCounter(imgRequest* aRequest, Image* aImage,
SizeOfState& aState, bool aIsUsed)
: mProgress(UINT32_MAX),
mType(UINT16_MAX),
mIsUsed(aIsUsed),
mHasError(false),
mValidating(false) {
MOZ_ASSERT(aRequest);
MOZ_ASSERT(aImage);
// Extract metadata about the image.
nsCOMPtr<nsIURI> imageURL(aImage->GetURI());
if (imageURL) {
imageURL->GetSpec(mURI);
}
int32_t width = 0;
int32_t height = 0;
aImage->GetWidth(&width);
aImage->GetHeight(&height);
mIntrinsicSize.SizeTo(width, height);
mType = aImage->GetType();
mHasError = aImage->HasError();
mValidating = !!aRequest->GetValidator();
RefPtr<ProgressTracker> tracker = aImage->GetProgressTracker();
if (tracker) {
mProgress = tracker->GetProgress();
}
// Populate memory counters for source and decoded data.
mValues.SetSource(aImage->SizeOfSourceWithComputedFallback(aState));
aImage->CollectSizeOfSurfaces(mSurfaces, aState.mMallocSizeOf);
// Compute totals.
for (const SurfaceMemoryCounter& surfaceCounter : mSurfaces) {
mValues += surfaceCounter.Values();
}
}
///////////////////////////////////////////////////////////////////////////////
// Image Base Types
///////////////////////////////////////////////////////////////////////////////
bool ImageResource::GetSpecTruncatedTo1k(nsCString& aSpec) const {
static const size_t sMaxTruncatedLength = 1024;
mURI->GetSpec(aSpec);
if (sMaxTruncatedLength >= aSpec.Length()) {
return true;
}
aSpec.Truncate(sMaxTruncatedLength);
return false;
}
void ImageResource::CollectSizeOfSurfaces(
nsTArray<SurfaceMemoryCounter>& aCounters,
MallocSizeOf aMallocSizeOf) const {
SurfaceCache::CollectSizeOfSurfaces(ImageKey(this), aCounters, aMallocSizeOf);
}
// Constructor
ImageResource::ImageResource(nsIURI* aURI)
: mURI(aURI),
mInnerWindowId(0),
mAnimationConsumers(0),
mAnimationMode(kNormalAnimMode),
mInitialized(false),
mAnimating(false),
mError(false),
mProviderId(WebRenderImageProvider::AllocateProviderId()) {}
ImageResource::~ImageResource() {
// Ask our ProgressTracker to drop its weak reference to us.
mProgressTracker->ResetImage();
}
void ImageResource::IncrementAnimationConsumers() {
MOZ_ASSERT(NS_IsMainThread(),
"Main thread only to encourage serialization "
"with DecrementAnimationConsumers");
mAnimationConsumers++;
}
void ImageResource::DecrementAnimationConsumers() {
MOZ_ASSERT(NS_IsMainThread(),
"Main thread only to encourage serialization "
"with IncrementAnimationConsumers");
MOZ_ASSERT(mAnimationConsumers >= 1, "Invalid no. of animation consumers!");
mAnimationConsumers--;
}
nsresult ImageResource::GetAnimationModeInternal(uint16_t* aAnimationMode) {
if (mError) {
return NS_ERROR_FAILURE;
}
NS_ENSURE_ARG_POINTER(aAnimationMode);
*aAnimationMode = mAnimationMode;
return NS_OK;
}
nsresult ImageResource::SetAnimationModeInternal(uint16_t aAnimationMode) {
if (mError) {
return NS_ERROR_FAILURE;
}
NS_ASSERTION(aAnimationMode == kNormalAnimMode ||
aAnimationMode == kDontAnimMode ||
aAnimationMode == kLoopOnceAnimMode,
"Wrong Animation Mode is being set!");
mAnimationMode = aAnimationMode;
return NS_OK;
}
bool ImageResource::HadRecentRefresh(const TimeStamp& aTime) {
// Our threshold for "recent" is 1/2 of the default refresh-driver interval.
// This ensures that we allow for frame rates at least as fast as the
// refresh driver's default rate.
static TimeDuration recentThreshold =
TimeDuration::FromMilliseconds(nsRefreshDriver::DefaultInterval() / 2.0);
if (!mLastRefreshTime.IsNull() &&
aTime - mLastRefreshTime < recentThreshold) {
return true;
}
// else, we can proceed with a refresh.
// But first, update our last refresh time:
mLastRefreshTime = aTime;
return false;
}
void ImageResource::EvaluateAnimation() {
if (!mAnimating && ShouldAnimate()) {
nsresult rv = StartAnimation();
mAnimating = NS_SUCCEEDED(rv);
} else if (mAnimating && !ShouldAnimate()) {
StopAnimation();
}
}
void ImageResource::SendOnUnlockedDraw(uint32_t aFlags) {
if (!mProgressTracker) {
return;
}
if (!(aFlags & FLAG_ASYNC_NOTIFY)) {
mProgressTracker->OnUnlockedDraw();
} else {
NotNull<RefPtr<ImageResource>> image = WrapNotNull(this);
nsCOMPtr<nsIEventTarget> eventTarget = mProgressTracker->GetEventTarget();
nsCOMPtr<nsIRunnable> ev = NS_NewRunnableFunction(
"image::ImageResource::SendOnUnlockedDraw", [=]() -> void {
RefPtr<ProgressTracker> tracker = image->GetProgressTracker();
if (tracker) {
tracker->OnUnlockedDraw();
}
});
eventTarget->Dispatch(CreateRenderBlockingRunnable(ev.forget()),
NS_DISPATCH_NORMAL);
}
}
#ifdef DEBUG
void ImageResource::NotifyDrawingObservers() {
if (!mURI || !NS_IsMainThread()) {
return;
}
if (!mURI->SchemeIs("resource") && !mURI->SchemeIs("chrome")) {
return;
}
// Record the image drawing for startup performance testing.
nsCOMPtr<nsIURI> uri = mURI;
nsContentUtils::AddScriptRunner(NS_NewRunnableFunction(
"image::ImageResource::NotifyDrawingObservers", [uri]() {
nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
NS_WARNING_ASSERTION(obs, "Can't get an observer service handle");
if (obs) {
nsAutoCString spec;
uri->GetSpec(spec);
obs->NotifyObservers(nullptr, "image-drawing",
NS_ConvertUTF8toUTF16(spec).get());
}
}));
}
#endif
} // namespace image
} // namespace mozilla
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