void WithSingleChunkDecode(const ImageTestCase& aTestCase,
const Maybe<IntSize>& aOutputSize,
Func aResultChecker)
{
nsCOMPtr<nsIInputStream> inputStream = LoadFile(aTestCase.mPath);
ASSERT_TRUE(inputStream != nullptr);
// Figure out how much data we have.
uint64_t length;
nsresult rv = inputStream->Available(&length);
ASSERT_TRUE(NS_SUCCEEDED(rv));
// Write the data into a SourceBuffer.
NotNull<RefPtr<SourceBuffer>> sourceBuffer = WrapNotNull(new SourceBuffer());
sourceBuffer->ExpectLength(length);
rv = sourceBuffer->AppendFromInputStream(inputStream, length);
ASSERT_TRUE(NS_SUCCEEDED(rv));
sourceBuffer->Complete(NS_OK);
// Create a decoder.
DecoderType decoderType =
DecoderFactory::GetDecoderType(aTestCase.mMimeType);
RefPtr<Decoder> decoder =
DecoderFactory::CreateAnonymousDecoder(decoderType, sourceBuffer, aOutputSize,
DefaultSurfaceFlags());
ASSERT_TRUE(decoder != nullptr);
RefPtr<IDecodingTask> task = new AnonymousDecodingTask(WrapNotNull(decoder));
// Run the full decoder synchronously.
task->Run();
// Call the lambda to verify the expected results.
aResultChecker(decoder);
}
/* static */ void
IDecodingTask::NotifyProgress(NotNull<RasterImage*> aImage,
NotNull<Decoder*> aDecoder)
{
MOZ_ASSERT(aDecoder->HasProgress() && !aDecoder->IsMetadataDecode());
// Capture the decoder's state. If we need to notify asynchronously, it's
// important that we don't wait until the lambda actually runs to capture the
// state that we're going to notify. That would both introduce data races on
// the decoder's state and cause inconsistencies between the NotifyProgress()
// calls we make off-main-thread and the notifications that RasterImage
// actually receives, which would cause bugs.
Progress progress = aDecoder->TakeProgress();
IntRect invalidRect = aDecoder->TakeInvalidRect();
Maybe<uint32_t> frameCount = aDecoder->TakeCompleteFrameCount();
SurfaceFlags surfaceFlags = aDecoder->GetSurfaceFlags();
// Synchronously notify if we can.
if (NS_IsMainThread() &&
!(aDecoder->GetDecoderFlags() & DecoderFlags::ASYNC_NOTIFY)) {
aImage->NotifyProgress(progress, invalidRect,
frameCount, surfaceFlags);
return;
}
// We're forced to notify asynchronously.
NotNull<RefPtr<RasterImage>> image = aImage;
NS_DispatchToMainThread(NS_NewRunnableFunction([=]() -> void {
image->NotifyProgress(progress, invalidRect,
frameCount, surfaceFlags);
}));
}
static void
NotifyProgress(NotNull<Decoder*> aDecoder)
{
MOZ_ASSERT(aDecoder->HasProgress() && !aDecoder->IsMetadataDecode());
Progress progress = aDecoder->TakeProgress();
IntRect invalidRect = aDecoder->TakeInvalidRect();
Maybe<uint32_t> frameCount = aDecoder->TakeCompleteFrameCount();
SurfaceFlags surfaceFlags = aDecoder->GetSurfaceFlags();
// Synchronously notify if we can.
if (NS_IsMainThread() &&
!(aDecoder->GetDecoderFlags() & DecoderFlags::ASYNC_NOTIFY)) {
aDecoder->GetImage()->NotifyProgress(progress, invalidRect,
frameCount, surfaceFlags);
return;
}
// We're forced to notify asynchronously.
NotNull<RefPtr<Decoder>> decoder = aDecoder;
NS_DispatchToMainThread(NS_NewRunnableFunction([=]() -> void {
decoder->GetImage()->NotifyProgress(progress, invalidRect,
frameCount, surfaceFlags);
}));
}
IPCResult
IPCResult::Fail(NotNull<IProtocol*> actor, const char* where, const char* why)
{
// Calls top-level protocol to handle the error.
nsPrintfCString errorMsg("%s::%s %s\n", actor->ProtocolName(), where, why);
actor->GetIPCChannel()->Listener()->ProcessingError(
HasResultCodes::MsgProcessingError, errorMsg.get());
return IPCResult(false);
}
void
MsaaIdGenerator::ReleaseID(NotNull<AccessibleWrap*> aAccWrap)
{
if (!ReleaseID(aAccWrap->GetExistingID())) {
// This may happen if chrome holds a proxy whose ID was originally generated
// by a content process. Since ReleaseID only has meaning in the process
// that originally generated that ID, we ignore ReleaseID calls for any ID
// that did not come from the current process.
MOZ_ASSERT(aAccWrap->IsProxy());
}
}
DecodedSurfaceProvider::DecodedSurfaceProvider(NotNull<RasterImage*> aImage,
const SurfaceKey& aSurfaceKey,
NotNull<Decoder*> aDecoder)
: ISurfaceProvider(ImageKey(aImage.get()), aSurfaceKey,
AvailabilityState::StartAsPlaceholder())
, mImage(aImage.get())
, mMutex("mozilla::image::DecodedSurfaceProvider")
, mDecoder(aDecoder.get())
{
MOZ_ASSERT(!mDecoder->IsMetadataDecode(),
"Use MetadataDecodingTask for metadata decodes");
MOZ_ASSERT(mDecoder->IsFirstFrameDecode(),
"Use AnimationSurfaceProvider for animation decodes");
}
/* static */ already_AddRefed<Decoder>
DecoderFactory::CreateDecoderForICOResource(DecoderType aType,
SourceBufferIterator&& aIterator,
NotNull<nsICODecoder*> aICODecoder,
bool aIsMetadataDecode,
const Maybe<IntSize>& aExpectedSize,
const Maybe<uint32_t>& aDataOffset
/* = Nothing() */)
{
// Create the decoder.
RefPtr<Decoder> decoder;
switch (aType) {
case DecoderType::BMP:
MOZ_ASSERT(aDataOffset);
decoder = new nsBMPDecoder(aICODecoder->GetImageMaybeNull(), *aDataOffset);
break;
case DecoderType::PNG:
MOZ_ASSERT(!aDataOffset);
decoder = new nsPNGDecoder(aICODecoder->GetImageMaybeNull());
break;
default:
MOZ_ASSERT_UNREACHABLE("Invalid ICO resource decoder type");
return nullptr;
}
MOZ_ASSERT(decoder);
// Initialize the decoder, copying settings from @aICODecoder.
decoder->SetMetadataDecode(aIsMetadataDecode);
decoder->SetIterator(Forward<SourceBufferIterator>(aIterator));
if (!aIsMetadataDecode) {
decoder->SetOutputSize(aICODecoder->OutputSize());
}
if (aExpectedSize) {
decoder->SetExpectedSize(*aExpectedSize);
}
decoder->SetDecoderFlags(aICODecoder->GetDecoderFlags());
decoder->SetSurfaceFlags(aICODecoder->GetSurfaceFlags());
decoder->SetFinalizeFrames(false);
if (NS_FAILED(decoder->Init())) {
return nullptr;
}
return decoder.forget();
}
/* static */ already_AddRefed<IDecodingTask>
DecoderFactory::CreateAnimationDecoder(DecoderType aType,
NotNull<RasterImage*> aImage,
NotNull<SourceBuffer*> aSourceBuffer,
DecoderFlags aDecoderFlags,
SurfaceFlags aSurfaceFlags)
{
if (aType == DecoderType::UNKNOWN) {
return nullptr;
}
MOZ_ASSERT(aType == DecoderType::GIF || aType == DecoderType::PNG,
"Calling CreateAnimationDecoder for non-animating DecoderType");
RefPtr<Decoder> decoder =
GetDecoder(aType, aImage, /* aIsRedecode = */ true);
MOZ_ASSERT(decoder, "Should have a decoder now");
// Initialize the decoder.
decoder->SetMetadataDecode(false);
decoder->SetIterator(aSourceBuffer->Iterator());
decoder->SetDecoderFlags(aDecoderFlags | DecoderFlags::IS_REDECODE);
decoder->SetSurfaceFlags(aSurfaceFlags);
decoder->Init();
if (NS_FAILED(decoder->GetDecoderError())) {
return nullptr;
}
RefPtr<IDecodingTask> task = new DecodingTask(WrapNotNull(decoder));
return task.forget();
}
/* static */ already_AddRefed<IDecodingTask>
DecoderFactory::CreateMetadataDecoder(DecoderType aType,
NotNull<RasterImage*> aImage,
NotNull<SourceBuffer*> aSourceBuffer,
int aSampleSize)
{
if (aType == DecoderType::UNKNOWN) {
return nullptr;
}
RefPtr<Decoder> decoder =
GetDecoder(aType, aImage, /* aIsRedecode = */ false);
MOZ_ASSERT(decoder, "Should have a decoder now");
// Initialize the decoder.
decoder->SetMetadataDecode(true);
decoder->SetIterator(aSourceBuffer->Iterator());
decoder->SetSampleSize(aSampleSize);
decoder->Init();
if (NS_FAILED(decoder->GetDecoderError())) {
return nullptr;
}
RefPtr<IDecodingTask> task = new MetadataDecodingTask(WrapNotNull(decoder));
return task.forget();
}
static void
NotifyDecodeComplete(NotNull<Decoder*> aDecoder)
{
// Synchronously notify if we can.
if (NS_IsMainThread() &&
!(aDecoder->GetDecoderFlags() & DecoderFlags::ASYNC_NOTIFY)) {
aDecoder->GetImage()->FinalizeDecoder(aDecoder);
return;
}
// We're forced to notify asynchronously.
NotNull<RefPtr<Decoder>> decoder = aDecoder;
NS_DispatchToMainThread(NS_NewRunnableFunction([=]() -> void {
decoder->GetImage()->FinalizeDecoder(decoder.get());
}));
}
IAccessibleHolder
CreateHolderFromAccessible(NotNull<Accessible*> aAccToWrap)
{
MOZ_ASSERT(NS_IsMainThread());
STAUniquePtr<IAccessible> iaToProxy;
aAccToWrap->GetNativeInterface(mscom::getter_AddRefs(iaToProxy));
MOZ_DIAGNOSTIC_ASSERT(iaToProxy);
if (!iaToProxy) {
return nullptr;
}
static const bool useHandler =
Preferences::GetBool("accessibility.handler.enabled", false) &&
IsHandlerRegistered();
RefPtr<HandlerProvider> payload;
if (useHandler) {
payload = new HandlerProvider(IID_IAccessible,
mscom::ToInterceptorTargetPtr(iaToProxy));
}
ProxyUniquePtr<IAccessible> intercepted;
HRESULT hr = MainThreadHandoff::WrapInterface(Move(iaToProxy), payload,
(IAccessible**) mscom::getter_AddRefs(intercepted));
MOZ_ASSERT(SUCCEEDED(hr));
if (FAILED(hr)) {
return nullptr;
}
return IAccessibleHolder(Move(intercepted));
}
void
MsaaIdGenerator::ReleaseID(NotNull<sdnAccessible*> aSdnAcc)
{
Maybe<uint32_t> id = aSdnAcc->ReleaseUniqueID();
if (id.isSome()) {
DebugOnly<bool> released = ReleaseID(id.value());
MOZ_ASSERT(released);
}
}
static void
CheckDecoderMultiChunk(const ImageTestCase& aTestCase)
{
nsCOMPtr<nsIInputStream> inputStream = LoadFile(aTestCase.mPath);
ASSERT_TRUE(inputStream != nullptr);
// Figure out how much data we have.
uint64_t length;
nsresult rv = inputStream->Available(&length);
ASSERT_TRUE(NS_SUCCEEDED(rv));
// Create a SourceBuffer and a decoder.
NotNull<RefPtr<SourceBuffer>> sourceBuffer = WrapNotNull(new SourceBuffer());
sourceBuffer->ExpectLength(length);
DecoderType decoderType =
DecoderFactory::GetDecoderType(aTestCase.mMimeType);
RefPtr<Decoder> decoder =
DecoderFactory::CreateAnonymousDecoder(decoderType, sourceBuffer, Nothing(),
DefaultSurfaceFlags());
ASSERT_TRUE(decoder != nullptr);
RefPtr<IDecodingTask> task = new AnonymousDecodingTask(WrapNotNull(decoder));
for (uint64_t read = 0; read < length ; ++read) {
uint64_t available = 0;
rv = inputStream->Available(&available);
ASSERT_TRUE(available > 0);
ASSERT_TRUE(NS_SUCCEEDED(rv));
rv = sourceBuffer->AppendFromInputStream(inputStream, 1);
ASSERT_TRUE(NS_SUCCEEDED(rv));
task->Run();
}
sourceBuffer->Complete(NS_OK);
task->Run();
CheckDecoderResults(aTestCase, decoder);
}
/* static */ already_AddRefed<IDecodingTask>
DecoderFactory::CreateDecoder(DecoderType aType,
NotNull<RasterImage*> aImage,
NotNull<SourceBuffer*> aSourceBuffer,
const IntSize& aIntrinsicSize,
const IntSize& aOutputSize,
DecoderFlags aDecoderFlags,
SurfaceFlags aSurfaceFlags)
{
if (aType == DecoderType::UNKNOWN) {
return nullptr;
}
// Create an anonymous decoder. Interaction with the SurfaceCache and the
// owning RasterImage will be mediated by DecodedSurfaceProvider.
RefPtr<Decoder> decoder =
GetDecoder(aType, nullptr, bool(aDecoderFlags & DecoderFlags::IS_REDECODE));
MOZ_ASSERT(decoder, "Should have a decoder now");
// Initialize the decoder.
decoder->SetMetadataDecode(false);
decoder->SetIterator(aSourceBuffer->Iterator());
decoder->SetOutputSize(aOutputSize);
decoder->SetDecoderFlags(aDecoderFlags | DecoderFlags::FIRST_FRAME_ONLY);
decoder->SetSurfaceFlags(aSurfaceFlags);
if (NS_FAILED(decoder->Init())) {
return nullptr;
}
// Create a DecodedSurfaceProvider which will manage the decoding process and
// make this decoder's output available in the surface cache.
SurfaceKey surfaceKey =
RasterSurfaceKey(aOutputSize, aSurfaceFlags, PlaybackType::eStatic);
auto provider = MakeNotNull<RefPtr<DecodedSurfaceProvider>>(
aImage, surfaceKey, WrapNotNull(decoder));
if (aDecoderFlags & DecoderFlags::CANNOT_SUBSTITUTE) {
provider->Availability().SetCannotSubstitute();
}
// Attempt to insert the surface provider into the surface cache right away so
// we won't trigger any more decoders with the same parameters.
if (SurfaceCache::Insert(provider) != InsertOutcome::SUCCESS) {
return nullptr;
}
// Return the surface provider in its IDecodingTask guise.
RefPtr<IDecodingTask> task = provider.get();
return task.forget();
}
/* static */ already_AddRefed<IDecodingTask>
DecoderFactory::CreateAnimationDecoder(DecoderType aType,
NotNull<RasterImage*> aImage,
NotNull<SourceBuffer*> aSourceBuffer,
const IntSize& aIntrinsicSize,
DecoderFlags aDecoderFlags,
SurfaceFlags aSurfaceFlags)
{
if (aType == DecoderType::UNKNOWN) {
return nullptr;
}
MOZ_ASSERT(aType == DecoderType::GIF || aType == DecoderType::PNG,
"Calling CreateAnimationDecoder for non-animating DecoderType");
// Create an anonymous decoder. Interaction with the SurfaceCache and the
// owning RasterImage will be mediated by AnimationSurfaceProvider.
RefPtr<Decoder> decoder = GetDecoder(aType, nullptr, /* aIsRedecode = */ true);
MOZ_ASSERT(decoder, "Should have a decoder now");
// Initialize the decoder.
decoder->SetMetadataDecode(false);
decoder->SetIterator(aSourceBuffer->Iterator());
decoder->SetDecoderFlags(aDecoderFlags | DecoderFlags::IS_REDECODE);
decoder->SetSurfaceFlags(aSurfaceFlags);
if (NS_FAILED(decoder->Init())) {
return nullptr;
}
// Create an AnimationSurfaceProvider which will manage the decoding process
// and make this decoder's output available in the surface cache.
SurfaceKey surfaceKey =
RasterSurfaceKey(aIntrinsicSize, aSurfaceFlags, PlaybackType::eAnimated);
auto provider = MakeNotNull<RefPtr<AnimationSurfaceProvider>>(
aImage, surfaceKey, WrapNotNull(decoder));
// Attempt to insert the surface provider into the surface cache right away so
// we won't trigger any more decoders with the same parameters.
if (SurfaceCache::Insert(provider) != InsertOutcome::SUCCESS) {
return nullptr;
}
// Return the surface provider in its IDecodingTask guise.
RefPtr<IDecodingTask> task = provider.get();
return task.forget();
}
/* static */ already_AddRefed<Decoder>
DecoderFactory::CreateAnonymousDecoder(DecoderType aType,
NotNull<SourceBuffer*> aSourceBuffer,
const Maybe<IntSize>& aTargetSize,
SurfaceFlags aSurfaceFlags)
{
if (aType == DecoderType::UNKNOWN) {
return nullptr;
}
RefPtr<Decoder> decoder =
GetDecoder(aType, /* aImage = */ nullptr, /* aIsRedecode = */ false);
MOZ_ASSERT(decoder, "Should have a decoder now");
// Initialize the decoder.
decoder->SetMetadataDecode(false);
decoder->SetIterator(aSourceBuffer->Iterator());
// Anonymous decoders are always transient; we don't want to optimize surfaces
// or do any other expensive work that might be wasted.
DecoderFlags decoderFlags = DecoderFlags::IMAGE_IS_TRANSIENT;
// Without an image, the decoder can't store anything in the SurfaceCache, so
// callers will only be able to retrieve the most recent frame via
// Decoder::GetCurrentFrame(). That means that anonymous decoders should
// always be first-frame-only decoders, because nobody ever wants the *last*
// frame.
decoderFlags |= DecoderFlags::FIRST_FRAME_ONLY;
decoder->SetDecoderFlags(decoderFlags);
decoder->SetSurfaceFlags(aSurfaceFlags);
// Set a target size for downscale-during-decode if applicable.
if (aTargetSize) {
DebugOnly<nsresult> rv = decoder->SetTargetSize(*aTargetSize);
MOZ_ASSERT(NS_SUCCEEDED(rv), "Bad downscale-during-decode target size?");
}
decoder->Init();
if (NS_FAILED(decoder->GetDecoderError())) {
return nullptr;
}
return decoder.forget();
}
/* static */ already_AddRefed<IDecodingTask>
DecoderFactory::CreateDecoder(DecoderType aType,
NotNull<RasterImage*> aImage,
NotNull<SourceBuffer*> aSourceBuffer,
const Maybe<IntSize>& aTargetSize,
DecoderFlags aDecoderFlags,
SurfaceFlags aSurfaceFlags,
int aSampleSize)
{
if (aType == DecoderType::UNKNOWN) {
return nullptr;
}
RefPtr<Decoder> decoder =
GetDecoder(aType, aImage, bool(aDecoderFlags & DecoderFlags::IS_REDECODE));
MOZ_ASSERT(decoder, "Should have a decoder now");
// Initialize the decoder.
decoder->SetMetadataDecode(false);
decoder->SetIterator(aSourceBuffer->Iterator());
decoder->SetDecoderFlags(aDecoderFlags | DecoderFlags::FIRST_FRAME_ONLY);
decoder->SetSurfaceFlags(aSurfaceFlags);
decoder->SetSampleSize(aSampleSize);
// Set a target size for downscale-during-decode if applicable.
if (aTargetSize) {
DebugOnly<nsresult> rv = decoder->SetTargetSize(*aTargetSize);
MOZ_ASSERT(NS_SUCCEEDED(rv), "Bad downscale-during-decode target size?");
}
decoder->Init();
if (NS_FAILED(decoder->GetDecoderError())) {
return nullptr;
}
RefPtr<IDecodingTask> task = new DecodingTask(WrapNotNull(decoder));
return task.forget();
}
/* static */ already_AddRefed<Decoder>
DecoderFactory::CreateAnonymousMetadataDecoder(DecoderType aType,
NotNull<SourceBuffer*> aSourceBuffer)
{
if (aType == DecoderType::UNKNOWN) {
return nullptr;
}
RefPtr<Decoder> decoder =
GetDecoder(aType, /* aImage = */ nullptr, /* aIsRedecode = */ false);
MOZ_ASSERT(decoder, "Should have a decoder now");
// Initialize the decoder.
decoder->SetMetadataDecode(true);
decoder->SetIterator(aSourceBuffer->Iterator());
decoder->SetDecoderFlags(DecoderFlags::FIRST_FRAME_ONLY);
if (NS_FAILED(decoder->Init())) {
return nullptr;
}
return decoder.forget();
}
void
nsThreadManager::Shutdown()
{
MOZ_ASSERT(NS_IsMainThread(), "shutdown not called from main thread");
// Prevent further access to the thread manager (no more new threads!)
//
// What happens if shutdown happens before NewThread completes?
// We Shutdown() the new thread, and return error if we've started Shutdown
// between when NewThread started, and when the thread finished initializing
// and registering with ThreadManager.
//
mInitialized = false;
// Empty the main thread event queue before we begin shutting down threads.
NS_ProcessPendingEvents(mMainThread);
// We gather the threads from the hashtable into a list, so that we avoid
// holding the hashtable lock while calling nsIThread::Shutdown.
nsThreadArray threads;
{
OffTheBooksMutexAutoLock lock(mLock);
for (auto iter = mThreadsByPRThread.Iter(); !iter.Done(); iter.Next()) {
RefPtr<nsThread>& thread = iter.Data();
threads.AppendElement(WrapNotNull(thread));
iter.Remove();
}
}
// It's tempting to walk the list of threads here and tell them each to stop
// accepting new events, but that could lead to badness if one of those
// threads is stuck waiting for a response from another thread. To do it
// right, we'd need some way to interrupt the threads.
//
// Instead, we process events on the current thread while waiting for threads
// to shutdown. This means that we have to preserve a mostly functioning
// world until such time as the threads exit.
// Shutdown all threads that require it (join with threads that we created).
for (uint32_t i = 0; i < threads.Length(); ++i) {
NotNull<nsThread*> thread = threads[i];
if (thread->ShutdownRequired()) {
thread->Shutdown();
}
}
// NB: It's possible that there are events in the queue that want to *start*
// an asynchronous shutdown. But we have already shutdown the threads above,
// so there's no need to worry about them. We only have to wait for all
// in-flight asynchronous thread shutdowns to complete.
mMainThread->WaitForAllAsynchronousShutdowns();
// In case there are any more events somehow...
NS_ProcessPendingEvents(mMainThread);
// There are no more background threads at this point.
// Clear the table of threads.
{
OffTheBooksMutexAutoLock lock(mLock);
mThreadsByPRThread.Clear();
}
// Normally thread shutdown clears the observer for the thread, but since the
// main thread is special we do it manually here after we're sure all events
// have been processed.
mMainThread->SetObserver(nullptr);
mMainThread->ClearObservers();
// Release main thread object.
mMainThread = nullptr;
// Remove the TLS entry for the main thread.
PR_SetThreadPrivate(mCurThreadIndex, nullptr);
}
/* static */ void
IDecodingTask::NotifyProgress(NotNull<Decoder*> aDecoder)
{
MOZ_ASSERT(aDecoder->HasProgress() && !aDecoder->IsMetadataDecode());
// Synchronously notify if we can.
if (NS_IsMainThread() &&
!(aDecoder->GetDecoderFlags() & DecoderFlags::ASYNC_NOTIFY)) {
aDecoder->GetImage()->NotifyProgress(aDecoder->TakeProgress(),
aDecoder->TakeInvalidRect(),
aDecoder->GetSurfaceFlags());
return;
}
// We're forced to notify asynchronously.
NotNull<RefPtr<Decoder>> decoder = aDecoder;
NS_DispatchToMainThread(NS_NewRunnableFunction([=]() -> void {
decoder->GetImage()->NotifyProgress(decoder->TakeProgress(),
decoder->TakeInvalidRect(),
decoder->GetSurfaceFlags());
}));
}
/* static */ void
IDecodingTask::NotifyDecodeComplete(NotNull<RasterImage*> aImage,
NotNull<Decoder*> aDecoder)
{
MOZ_ASSERT(aDecoder->HasError() || !aDecoder->InFrame(),
"Decode complete in the middle of a frame?");
// Capture the decoder's state.
DecoderFinalStatus finalStatus = aDecoder->FinalStatus();
ImageMetadata metadata = aDecoder->GetImageMetadata();
DecoderTelemetry telemetry = aDecoder->Telemetry();
Progress progress = aDecoder->TakeProgress();
IntRect invalidRect = aDecoder->TakeInvalidRect();
Maybe<uint32_t> frameCount = aDecoder->TakeCompleteFrameCount();
SurfaceFlags surfaceFlags = aDecoder->GetSurfaceFlags();
// Synchronously notify if we can.
if (NS_IsMainThread() &&
!(aDecoder->GetDecoderFlags() & DecoderFlags::ASYNC_NOTIFY)) {
aImage->NotifyDecodeComplete(finalStatus, metadata, telemetry, progress,
invalidRect, frameCount, surfaceFlags);
return;
}
// We're forced to notify asynchronously.
NotNull<RefPtr<RasterImage>> image = aImage;
NS_DispatchToMainThread(NS_NewRunnableFunction([=]() -> void {
image->NotifyDecodeComplete(finalStatus, metadata, telemetry, progress,
invalidRect, frameCount, surfaceFlags);
}));
}
void
TestNotNullWithMyPtr()
{
int i4 = 4;
int i5 = 5;
MyPtr<int> my4 = &i4;
MyPtr<int> my5 = &i5;
NotNull<int*> nni4 = WrapNotNull(&i4);
NotNull<int*> nni5 = WrapNotNull(&i5);
NotNull<MyPtr<int>> nnmy4 = WrapNotNull(my4);
//WrapNotNull(nullptr); // no wrapping from nullptr
//WrapNotNull(0); // no wrapping from zero
// NotNull<int*> construction combinations
//NotNull<int*> nni4a; // no default
//NotNull<int*> nni4a(nullptr); // no nullptr
//NotNull<int*> nni4a(0); // no zero
//NotNull<int*> nni4a(&i4); // no int*
//NotNull<int*> nni4a(my4); // no MyPtr<int>
NotNull<int*> nni4b(WrapNotNull(&i4)); // WrapNotNull(int*)
NotNull<int*> nni4c(WrapNotNull(my4)); // WrapNotNull(MyPtr<int>)
NotNull<int*> nni4d(nni4); // NotNull<int*>
NotNull<int*> nni4e(nnmy4); // NotNull<MyPtr<int>>
CHECK(*nni4b == 4);
CHECK(*nni4c == 4);
CHECK(*nni4d == 4);
CHECK(*nni4e == 4);
// NotNull<MyPtr<int>> construction combinations
//NotNull<MyPtr<int>> nnmy4a; // no default
//NotNull<MyPtr<int>> nnmy4a(nullptr); // no nullptr
//NotNull<MyPtr<int>> nnmy4a(0); // no zero
//NotNull<MyPtr<int>> nnmy4a(&i4); // no int*
//NotNull<MyPtr<int>> nnmy4a(my4); // no MyPtr<int>
NotNull<MyPtr<int>> nnmy4b(WrapNotNull(&i4)); // WrapNotNull(int*)
NotNull<MyPtr<int>> nnmy4c(WrapNotNull(my4)); // WrapNotNull(MyPtr<int>)
NotNull<MyPtr<int>> nnmy4d(nni4); // NotNull<int*>
NotNull<MyPtr<int>> nnmy4e(nnmy4); // NotNull<MyPtr<int>>
CHECK(*nnmy4b == 4);
CHECK(*nnmy4c == 4);
CHECK(*nnmy4d == 4);
CHECK(*nnmy4e == 4);
// NotNull<int*> assignment combinations
//nni4b = nullptr; // no nullptr
//nni4b = 0; // no zero
//nni4a = &i4; // no int*
//nni4a = my4; // no MyPtr<int>
nni4b = WrapNotNull(&i4); // WrapNotNull(int*)
nni4c = WrapNotNull(my4); // WrapNotNull(MyPtr<int>)
nni4d = nni4; // NotNull<int*>
nni4e = nnmy4; // NotNull<MyPtr<int>>
CHECK(*nni4b == 4);
CHECK(*nni4c == 4);
CHECK(*nni4d == 4);
CHECK(*nni4e == 4);
// NotNull<MyPtr<int>> assignment combinations
//nnmy4a = nullptr; // no nullptr
//nnmy4a = 0; // no zero
//nnmy4a = &i4; // no int*
//nnmy4a = my4; // no MyPtr<int>
nnmy4b = WrapNotNull(&i4); // WrapNotNull(int*)
nnmy4c = WrapNotNull(my4); // WrapNotNull(MyPtr<int>)
nnmy4d = nni4; // NotNull<int*>
nnmy4e = nnmy4; // NotNull<MyPtr<int>>
CHECK(*nnmy4b == 4);
CHECK(*nnmy4c == 4);
CHECK(*nnmy4d == 4);
CHECK(*nnmy4e == 4);
NotNull<MyPtr<int>> nnmy5 = WrapNotNull(&i5);
CHECK(*nnmy5 == 5);
CHECK(nnmy5 == &i5); // NotNull<MyPtr<int>> == int*
CHECK(nnmy5 == my5); // NotNull<MyPtr<int>> == MyPtr<int>
CHECK(nnmy5 == nni5); // NotNull<MyPtr<int>> == NotNull<int*>
CHECK(nnmy5 == nnmy5); // NotNull<MyPtr<int>> == NotNull<MyPtr<int>>
CHECK(&i5 == nnmy5); // int* == NotNull<MyPtr<int>>
CHECK(my5 == nnmy5); // MyPtr<int> == NotNull<MyPtr<int>>
CHECK(nni5 == nnmy5); // NotNull<int*> == NotNull<MyPtr<int>>
CHECK(nnmy5 == nnmy5); // NotNull<MyPtr<int>> == NotNull<MyPtr<int>>
//CHECK(nni5 == nullptr); // no comparisons with nullptr
//CHECK(nullptr == nni5); // no comparisons with nullptr
//CHECK(nni5 == 0); // no comparisons with zero
//CHECK(0 == nni5); // no comparisons with zero
CHECK(*nnmy5 == 5);
CHECK(nnmy5 != &i4); // NotNull<MyPtr<int>> != int*
CHECK(nnmy5 != my4); // NotNull<MyPtr<int>> != MyPtr<int>
CHECK(nnmy5 != nni4); // NotNull<MyPtr<int>> != NotNull<int*>
CHECK(nnmy5 != nnmy4); // NotNull<MyPtr<int>> != NotNull<MyPtr<int>>
CHECK(&i4 != nnmy5); // int* != NotNull<MyPtr<int>>
CHECK(my4 != nnmy5); // MyPtr<int> != NotNull<MyPtr<int>>
CHECK(nni4 != nnmy5); // NotNull<int*> != NotNull<MyPtr<int>>
CHECK(nnmy4 != nnmy5); // NotNull<MyPtr<int>> != NotNull<MyPtr<int>>
//CHECK(nni4 != nullptr); // no comparisons with nullptr
//CHECK(nullptr != nni4); // no comparisons with nullptr
//CHECK(nni4 != 0); // no comparisons with zero
//CHECK(0 != nni4); // no comparisons with zero
// int* parameter
f_i(&i4); // identity int* --> int*
f_i(my4); // implicit MyPtr<int> --> int*
f_i(my4.get()); // explicit MyPtr<int> --> int*
f_i(nni4); // implicit NotNull<int*> --> int*
f_i(nni4.get()); // explicit NotNull<int*> --> int*
//f_i(nnmy4); // no implicit NotNull<MyPtr<int>> --> int*
f_i(nnmy4.get()); // explicit NotNull<MyPtr<int>> --> int*
f_i(nnmy4.get().get());// doubly-explicit NotNull<MyPtr<int>> --> int*
// MyPtr<int> parameter
f_my(&i4); // implicit int* --> MyPtr<int>
f_my(my4); // identity MyPtr<int> --> MyPtr<int>
f_my(my4.get()); // explicit MyPtr<int> --> MyPtr<int>
//f_my(nni4); // no implicit NotNull<int*> --> MyPtr<int>
f_my(nni4.get()); // explicit NotNull<int*> --> MyPtr<int>
f_my(nnmy4); // implicit NotNull<MyPtr<int>> --> MyPtr<int>
f_my(nnmy4.get()); // explicit NotNull<MyPtr<int>> --> MyPtr<int>
f_my(nnmy4.get().get());// doubly-explicit NotNull<MyPtr<int>> --> MyPtr<int>
// NotNull<int*> parameter
f_nni(nni4); // identity NotNull<int*> --> NotNull<int*>
f_nni(nnmy4); // implicit NotNull<MyPtr<int>> --> NotNull<int*>
// NotNull<MyPtr<int>> parameter
f_nnmy(nni4); // implicit NotNull<int*> --> NotNull<MyPtr<int>>
f_nnmy(nnmy4); // identity NotNull<MyPtr<int>> --> NotNull<MyPtr<int>>
//CHECK(nni4); // disallow boolean conversion / unary expression usage
//CHECK(nnmy4); // ditto
// '->' dereferencing.
Blah blah;
MyPtr<Blah> myblah = &blah;
NotNull<Blah*> nnblah = WrapNotNull(&blah);
NotNull<MyPtr<Blah>> nnmyblah = WrapNotNull(myblah);
(&blah)->blah(); // int*
myblah->blah(); // MyPtr<int>
nnblah->blah(); // NotNull<int*>
nnmyblah->blah(); // NotNull<MyPtr<int>>
(&blah)->mX = 1;
CHECK((&blah)->mX == 1);
myblah->mX = 2;
CHECK(myblah->mX == 2);
nnblah->mX = 3;
CHECK(nnblah->mX == 3);
nnmyblah->mX = 4;
CHECK(nnmyblah->mX == 4);
// '*' dereferencing (lvalues and rvalues)
*(&i4) = 7; // int*
CHECK(*(&i4) == 7);
*my4 = 6; // MyPtr<int>
CHECK(*my4 == 6);
*nni4 = 5; // NotNull<int*>
CHECK(*nni4 == 5);
*nnmy4 = 4; // NotNull<MyPtr<int>>
CHECK(*nnmy4 == 4);
// Non-null arrays.
static const int N = 20;
int a[N];
NotNull<int*> nna = WrapNotNull(a);
for (int i = 0; i < N; i++) {
nna[i] = i;
}
for (int i = 0; i < N; i++) {
nna[i] *= 2;
}
for (int i = 0; i < N; i++) {
CHECK(nna[i] == i * 2);
}
}
nsresult
nsNSSCertificateDB::handleCACertDownload(NotNull<nsIArray*> x509Certs,
nsIInterfaceRequestor *ctx,
const nsNSSShutDownPreventionLock &proofOfLock)
{
// First thing we have to do is figure out which certificate we're
// gonna present to the user. The CA may have sent down a list of
// certs which may or may not be a chained list of certs. Until
// the day we can design some solid UI for the general case, we'll
// code to the > 90% case. That case is where a CA sends down a
// list that is a hierarchy whose root is either the first or
// the last cert. What we're gonna do is compare the first
// 2 entries, if the second was signed by the first, we assume
// the root cert is the first cert and display it. Otherwise,
// we compare the last 2 entries, if the second to last cert was
// signed by the last cert, then we assume the last cert is the
// root and display it.
uint32_t numCerts;
x509Certs->GetLength(&numCerts);
NS_ASSERTION(numCerts > 0, "Didn't get any certs to import.");
if (numCerts == 0)
return NS_OK; // Nothing to import, so nothing to do.
nsCOMPtr<nsIX509Cert> certToShow;
uint32_t selCertIndex;
if (numCerts == 1) {
// There's only one cert, so let's show it.
selCertIndex = 0;
certToShow = do_QueryElementAt(x509Certs, selCertIndex);
} else {
nsCOMPtr<nsIX509Cert> cert0; // first cert
nsCOMPtr<nsIX509Cert> cert1; // second cert
nsCOMPtr<nsIX509Cert> certn_2; // second to last cert
nsCOMPtr<nsIX509Cert> certn_1; // last cert
cert0 = do_QueryElementAt(x509Certs, 0);
cert1 = do_QueryElementAt(x509Certs, 1);
certn_2 = do_QueryElementAt(x509Certs, numCerts-2);
certn_1 = do_QueryElementAt(x509Certs, numCerts-1);
nsXPIDLString cert0SubjectName;
nsXPIDLString cert1IssuerName;
nsXPIDLString certn_2IssuerName;
nsXPIDLString certn_1SubjectName;
cert0->GetSubjectName(cert0SubjectName);
cert1->GetIssuerName(cert1IssuerName);
certn_2->GetIssuerName(certn_2IssuerName);
certn_1->GetSubjectName(certn_1SubjectName);
if (cert1IssuerName.Equals(cert0SubjectName)) {
// In this case, the first cert in the list signed the second,
// so the first cert is the root. Let's display it.
selCertIndex = 0;
certToShow = cert0;
} else
if (certn_2IssuerName.Equals(certn_1SubjectName)) {
// In this case the last cert has signed the second to last cert.
// The last cert is the root, so let's display it.
selCertIndex = numCerts-1;
certToShow = certn_1;
} else {
// It's not a chain, so let's just show the first one in the
// downloaded list.
selCertIndex = 0;
certToShow = cert0;
}
}
if (!certToShow)
return NS_ERROR_FAILURE;
nsCOMPtr<nsICertificateDialogs> dialogs;
nsresult rv = ::getNSSDialogs(getter_AddRefs(dialogs),
NS_GET_IID(nsICertificateDialogs),
NS_CERTIFICATEDIALOGS_CONTRACTID);
if (NS_FAILED(rv)) {
return rv;
}
UniqueCERTCertificate tmpCert(certToShow->GetCert());
if (!tmpCert) {
return NS_ERROR_FAILURE;
}
if (!CERT_IsCACert(tmpCert.get(), nullptr)) {
DisplayCertificateAlert(ctx, "NotACACert", certToShow, proofOfLock);
return NS_ERROR_FAILURE;
}
if (tmpCert->isperm) {
DisplayCertificateAlert(ctx, "CaCertExists", certToShow, proofOfLock);
return NS_ERROR_FAILURE;
}
uint32_t trustBits;
bool allows;
rv = dialogs->ConfirmDownloadCACert(ctx, certToShow, &trustBits, &allows);
if (NS_FAILED(rv))
return rv;
if (!allows)
return NS_ERROR_NOT_AVAILABLE;
MOZ_LOG(gPIPNSSLog, LogLevel::Debug, ("trust is %d\n", trustBits));
UniquePORTString nickname(CERT_MakeCANickname(tmpCert.get()));
MOZ_LOG(gPIPNSSLog, LogLevel::Debug, ("Created nick \"%s\"\n", nickname.get()));
nsNSSCertTrust trust;
trust.SetValidCA();
trust.AddCATrust(!!(trustBits & nsIX509CertDB::TRUSTED_SSL),
!!(trustBits & nsIX509CertDB::TRUSTED_EMAIL),
!!(trustBits & nsIX509CertDB::TRUSTED_OBJSIGN));
if (CERT_AddTempCertToPerm(tmpCert.get(), nickname.get(),
trust.GetTrust()) != SECSuccess) {
return NS_ERROR_FAILURE;
}
// Import additional delivered certificates that can be verified.
// build a CertList for filtering
UniqueCERTCertList certList(CERT_NewCertList());
if (!certList) {
return NS_ERROR_FAILURE;
}
// get all remaining certs into temp store
for (uint32_t i=0; i<numCerts; i++) {
if (i == selCertIndex) {
// we already processed that one
continue;
}
nsCOMPtr<nsIX509Cert> remainingCert = do_QueryElementAt(x509Certs, i);
if (!remainingCert) {
continue;
}
UniqueCERTCertificate tmpCert2(remainingCert->GetCert());
if (!tmpCert2) {
continue; // Let's try to import the rest of 'em
}
if (CERT_AddCertToListTail(certList.get(), tmpCert2.get()) != SECSuccess) {
continue;
}
Unused << tmpCert2.release();
}
return ImportValidCACertsInList(certList, ctx, proofOfLock);
}
void
VectorImage::CreateSurfaceAndShow(const SVGDrawingParameters& aParams)
{
mSVGDocumentWrapper->UpdateViewportBounds(aParams.viewportSize);
mSVGDocumentWrapper->FlushImageTransformInvalidation();
RefPtr<gfxDrawingCallback> cb =
new SVGDrawingCallback(mSVGDocumentWrapper,
IntRect(IntPoint(0, 0), aParams.viewportSize),
aParams.size,
aParams.flags);
RefPtr<gfxDrawable> svgDrawable =
new gfxCallbackDrawable(cb, aParams.size);
bool bypassCache = bool(aParams.flags & FLAG_BYPASS_SURFACE_CACHE) ||
// Refuse to cache animated images:
// XXX(seth): We may remove this restriction in bug 922893.
mHaveAnimations ||
// The image is too big to fit in the cache:
!SurfaceCache::CanHold(aParams.size);
if (bypassCache) {
return Show(svgDrawable, aParams);
}
// We're about to rerasterize, which may mean that some of the previous
// surfaces we've rasterized aren't useful anymore. We can allow them to
// expire from the cache by unlocking them here, and then sending out an
// invalidation. If this image is locked, any surfaces that are still useful
// will become locked again when Draw touches them, and the remainder will
// eventually expire.
SurfaceCache::UnlockEntries(ImageKey(this));
// Try to create an imgFrame, initializing the surface it contains by drawing
// our gfxDrawable into it. (We use FILTER_NEAREST since we never scale here.)
NotNull<RefPtr<imgFrame>> frame = WrapNotNull(new imgFrame);
nsresult rv =
frame->InitWithDrawable(svgDrawable, aParams.size,
SurfaceFormat::B8G8R8A8,
SamplingFilter::POINT, aParams.flags);
// If we couldn't create the frame, it was probably because it would end
// up way too big. Generally it also wouldn't fit in the cache, but the prefs
// could be set such that the cache isn't the limiting factor.
if (NS_FAILED(rv)) {
return Show(svgDrawable, aParams);
}
// Take a strong reference to the frame's surface and make sure it hasn't
// already been purged by the operating system.
RefPtr<SourceSurface> surface = frame->GetSourceSurface();
if (!surface) {
return Show(svgDrawable, aParams);
}
// Attempt to cache the frame.
SurfaceKey surfaceKey = VectorSurfaceKey(aParams.size, aParams.svgContext);
NotNull<RefPtr<ISurfaceProvider>> provider =
WrapNotNull(new SimpleSurfaceProvider(ImageKey(this), surfaceKey, frame));
SurfaceCache::Insert(provider);
// Draw.
RefPtr<gfxDrawable> drawable =
new gfxSurfaceDrawable(surface, aParams.size);
Show(drawable, aParams);
// Send out an invalidation so that surfaces that are still in use get
// re-locked. See the discussion of the UnlockSurfaces call above.
mProgressTracker->SyncNotifyProgress(FLAG_FRAME_COMPLETE,
GetMaxSizedIntRect());
}
