void IDBTransaction::setActive(bool active) {
DCHECK_NE(m_state, Finished) << "A finished transaction tried to setActive("
<< (active ? "true" : "false") << ")";
if (m_state == Finishing)
return;
DCHECK_NE(active, (m_state == Active));
m_state = active ? Active : Inactive;
if (!active && m_requestList.isEmpty() && backendDB())
backendDB()->commit(m_id);
}
void FetchRequest::setCrossOriginAccessControl(
SecurityOrigin* origin,
CrossOriginAttributeValue crossOrigin) {
DCHECK_NE(crossOrigin, CrossOriginAttributeNotSet);
const bool useCredentials = crossOrigin == CrossOriginAttributeUseCredentials;
const bool isSameOriginRequest =
origin && origin->canRequestNoSuborigin(m_resourceRequest.url());
// Currently FetchRequestMode and FetchCredentialsMode are only used when the
// request goes to Service Worker.
m_resourceRequest.setFetchRequestMode(WebURLRequest::FetchRequestModeCORS);
m_resourceRequest.setFetchCredentialsMode(
useCredentials ? WebURLRequest::FetchCredentialsModeInclude
: WebURLRequest::FetchCredentialsModeSameOrigin);
m_options.allowCredentials = (isSameOriginRequest || useCredentials)
? AllowStoredCredentials
: DoNotAllowStoredCredentials;
m_options.corsEnabled = IsCORSEnabled;
m_options.securityOrigin = origin;
m_options.credentialsRequested = useCredentials
? ClientRequestedCredentials
: ClientDidNotRequestCredentials;
updateRequestForAccessControl(m_resourceRequest, origin,
m_options.allowCredentials);
}
void ClientOSRenderer::Initialize() {
if (initialized_)
return;
glHint(GL_POLYGON_SMOOTH_HINT, GL_NICEST); VERIFY_NO_ERROR;
glClearColor(0.0f, 0.0f, 0.0f, 1.0f); VERIFY_NO_ERROR;
// Necessary for non-power-of-2 textures to render correctly.
glPixelStorei(GL_UNPACK_ALIGNMENT, 1); VERIFY_NO_ERROR;
// Create the texture.
glGenTextures(1, &texture_id_); VERIFY_NO_ERROR;
DCHECK_NE(texture_id_, 0U); VERIFY_NO_ERROR;
glBindTexture(GL_TEXTURE_2D, texture_id_); VERIFY_NO_ERROR;
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
GL_NEAREST); VERIFY_NO_ERROR;
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER,
GL_NEAREST); VERIFY_NO_ERROR;
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); VERIFY_NO_ERROR;
const GLubyte* byth = glGetString(GL_VERSION);
byth = glGetString(GL_VENDOR);
byth = glGetString(GL_RENDERER);
byth = glGetString(GL_EXTENSIONS);
//OutputDebugStringA((char*)byth);
//Gdiplus::GdiplusStartupInput StartupInput;
//GdiplusStartup(&m_gdiplusToken, &StartupInput, NULL);
initialized_ = true;
}
inline void TreeScopeAdopter::moveNodeToNewDocument(
Node& node,
Document& oldDocument,
Document& newDocument) const {
DCHECK_NE(oldDocument, newDocument);
if (node.hasRareData()) {
NodeRareData* rareData = node.rareData();
if (rareData->nodeLists())
rareData->nodeLists()->adoptDocument(oldDocument, newDocument);
}
oldDocument.moveNodeIteratorsToNewDocument(node, newDocument);
if (node.getCustomElementState() == CustomElementState::Custom) {
Element& element = toElement(node);
CustomElement::enqueueAdoptedCallback(&element, &oldDocument, &newDocument);
}
if (node.isShadowRoot())
toShadowRoot(node).setDocument(newDocument);
#if DCHECK_IS_ON()
didMoveToNewDocumentWasCalled = false;
oldDocumentDidMoveToNewDocumentWasCalledWith = &oldDocument;
#endif
node.didMoveToNewDocument(oldDocument);
#if DCHECK_IS_ON()
DCHECK(didMoveToNewDocumentWasCalled);
#endif
}
Element* SlotScopedTraversal::previous(const Element& current) {
Element* nearestInclusiveAncestorAssignedToSlot =
SlotScopedTraversal::nearestInclusiveAncestorAssignedToSlot(current);
DCHECK(nearestInclusiveAncestorAssignedToSlot);
if (current != nearestInclusiveAncestorAssignedToSlot) {
// Search within children of an element which is assigned to a slot.
Element* previous = previousSkippingChildrenOfShadowHost(
current, *nearestInclusiveAncestorAssignedToSlot);
DCHECK(previous);
return previous;
}
// Seek to the previous element assigned to the same slot.
const HeapVector<Member<Node>>& assignedNodes =
nearestInclusiveAncestorAssignedToSlot->assignedSlot()->assignedNodes();
size_t currentIndex =
assignedNodes.reverseFind(*nearestInclusiveAncestorAssignedToSlot);
DCHECK_NE(currentIndex, kNotFound);
for (; currentIndex > 0; --currentIndex) {
const Member<Node> assignedNode = assignedNodes[currentIndex - 1];
if (!assignedNode->isElementNode())
continue;
return lastWithinOrSelfSkippingChildrenOfShadowHost(
*toElement(assignedNode));
}
return nullptr;
}
/**
* @brief Make a TypedValue of this Type.
*
* @param value_ptr An untyped pointer to the data which will be represented
* as a TypedValue.
* @param value_size The size of the data at value_ptr in bytes. This may be
* omitted for numeric types, but must be explicitly specified for any
* other type. For Char and VarChar, this should include the
* terminating null character, if any.
* @return A TypedValue representing the data at value_ptr.
**/
inline TypedValue makeValue(const void* value_ptr,
const std::size_t value_size = 0) const {
DCHECK(value_ptr != nullptr);
switch (type_id_) {
case kInt:
return TypedValue(*static_cast<const int*>(value_ptr));
case kLong:
return TypedValue(*static_cast<const std::int64_t*>(value_ptr));
case kFloat:
return TypedValue(*static_cast<const float*>(value_ptr));
case kDouble:
return TypedValue(*static_cast<const double*>(value_ptr));
case kDatetime:
return TypedValue(*static_cast<const DatetimeLit*>(value_ptr));
case kDatetimeInterval:
return TypedValue(*static_cast<const DatetimeIntervalLit*>(value_ptr));
case kYearMonthInterval:
return TypedValue(*static_cast<const YearMonthIntervalLit*>(value_ptr));
case kNullType: {
LOG(FATAL) << "Calling makeValue() to make a non-null value for "
<< "NullType, which is impossible.";
}
default:
DCHECK_NE(value_size, 0u);
DCHECK_LE(value_size, maximum_byte_length_);
return TypedValue(type_id_, value_ptr, value_size);
}
}
void IDBTransaction::revertDatabaseMetadata() {
DCHECK_NE(m_state, Active);
if (!isVersionChange())
return;
// Mark stores created by this transaction as deleted.
for (auto& objectStore : m_objectStoreMap.values()) {
const int64_t objectStoreId = objectStore->id();
if (!objectStore->isNewlyCreated()) {
DCHECK(m_oldStoreMetadata.contains(objectStore));
continue;
}
DCHECK(!m_oldStoreMetadata.contains(objectStore));
m_database->revertObjectStoreCreation(objectStoreId);
objectStore->markDeleted();
}
for (auto& it : m_oldStoreMetadata) {
IDBObjectStore* objectStore = it.key;
RefPtr<IDBObjectStoreMetadata> oldMetadata = it.value;
m_database->revertObjectStoreMetadata(oldMetadata);
objectStore->revertMetadata(oldMetadata);
}
for (auto& index : m_deletedIndexes)
index->objectStore()->revertDeletedIndexMetadata(*index);
for (auto& oldMedata : m_deletedObjectStores)
m_database->revertObjectStoreMetadata(std::move(oldMedata));
// We only need to revert the database's own metadata because we have reverted
// the metadata for the database's object stores above.
m_database->setDatabaseMetadata(m_oldDatabaseMetadata);
}
DateTimeNumericFieldElement::DateTimeNumericFieldElement(
Document& document,
FieldOwner& fieldOwner,
const Range& range,
const Range& hardLimits,
const String& placeholder,
const DateTimeNumericFieldElement::Step& step)
: DateTimeFieldElement(document, fieldOwner),
m_placeholder(placeholder),
m_range(range),
m_hardLimits(hardLimits),
m_step(step),
m_value(0),
m_hasValue(false) {
DCHECK_NE(m_step.step, 0);
DCHECK_LE(m_range.minimum, m_range.maximum);
DCHECK_LE(m_hardLimits.minimum, m_hardLimits.maximum);
// We show a direction-neutral string such as "--" as a placeholder. It
// should follow the direction of numeric values.
if (localeForOwner().isRTL()) {
CharDirection dir = direction(formatValue(this->maximum())[0]);
if (dir == LeftToRight || dir == EuropeanNumber || dir == ArabicNumber) {
setInlineStyleProperty(CSSPropertyUnicodeBidi, CSSValueBidiOverride);
setInlineStyleProperty(CSSPropertyDirection, CSSValueLtr);
}
}
}
void MixedContentChecker::handleCertificateError(
LocalFrame* frame,
const ResourceResponse& response,
WebURLRequest::FrameType frameType,
WebURLRequest::RequestContext requestContext) {
Frame* effectiveFrame = effectiveFrameForFrameType(frame, frameType);
if (frameType == WebURLRequest::FrameTypeTopLevel || !effectiveFrame)
return;
// Use the current local frame's client; the embedder doesn't distinguish
// mixed content signals from different frames on the same page.
FrameLoaderClient* client = frame->loader().client();
bool strictMixedContentCheckingForPlugin =
effectiveFrame->settings() &&
effectiveFrame->settings()->strictMixedContentCheckingForPlugin();
WebMixedContent::ContextType contextType =
WebMixedContent::contextTypeFromRequestContext(
requestContext, strictMixedContentCheckingForPlugin);
if (contextType == WebMixedContent::ContextType::Blockable) {
client->didRunContentWithCertificateErrors(response.url());
} else {
// contextTypeFromRequestContext() never returns NotMixedContent (it
// computes the type of mixed content, given that the content is mixed).
DCHECK_NE(contextType, WebMixedContent::ContextType::NotMixedContent);
client->didDisplayContentWithCertificateErrors(response.url());
}
}
void ClientOSRenderer::OnPaint(CefRefPtr<CefBrowser> browser,
CefRenderHandler::PaintElementType type,
const CefRenderHandler::RectList& dirtyRects,
const void* buffer, int width, int height) {
if (!initialized_)
Initialize();
if (transparent_) {
// Enable alpha blending.
glEnable(GL_BLEND); VERIFY_NO_ERROR;
}
// Enable 2D textures.
glEnable(GL_TEXTURE_2D); VERIFY_NO_ERROR;
DCHECK_NE(texture_id_, 0U);
glBindTexture(GL_TEXTURE_2D, texture_id_); VERIFY_NO_ERROR;
if (type == PET_VIEW) {
int old_width = view_width_;
int old_height = view_height_;
view_width_ = width;
view_height_ = height;
{
int linebyte = (((width << 5) + 31) >> 5) << 2;
int lineInval = 4 - ((width << 5) >> 3) & 3;
}
if (show_update_rect_)
update_rect_ = dirtyRects[0];
glPixelStorei(GL_UNPACK_ROW_LENGTH, view_width_); VERIFY_NO_ERROR;
if (old_width != view_width_ || old_height != view_height_ ||
(dirtyRects.size() == 1 &&
dirtyRects[0] == CefRect(0, 0, view_width_, view_height_))) {
// Update/resize the whole texture.
glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0); VERIFY_NO_ERROR;
glPixelStorei(GL_UNPACK_SKIP_ROWS, 0); VERIFY_NO_ERROR;
test32Bmp(buffer, width, height);
glTexImage2D(
GL_TEXTURE_2D, 0, GL_RGBA, view_width_, view_height_, 0,
GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, buffer); VERIFY_NO_ERROR;
} else {
// Update just the dirty rectangles.
CefRenderHandler::RectList::const_iterator i = dirtyRects.begin();
for (; i != dirtyRects.end(); ++i) {
const CefRect& rect = *i;
glPixelStorei(GL_UNPACK_SKIP_PIXELS, rect.x); VERIFY_NO_ERROR;
glPixelStorei(GL_UNPACK_SKIP_ROWS, rect.y); VERIFY_NO_ERROR;
test32Bmp(buffer, width, height);
glTexSubImage2D(GL_TEXTURE_2D, 0, rect.x, rect.y, rect.width,
rect.height, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV,
buffer); VERIFY_NO_ERROR;
}
}
} else if (type == PET_POPUP && popup_rect_.width > 0 &&
void IDBTransaction::onAbort(DOMException* error) {
IDB_TRACE("IDBTransaction::onAbort");
if (!getExecutionContext()) {
finished();
return;
}
DCHECK_NE(m_state, Finished);
if (m_state != Finishing) {
// Abort was not triggered by front-end.
DCHECK(error);
setError(error);
abortOutstandingRequests();
revertDatabaseMetadata();
m_state = Finishing;
}
if (isVersionChange())
m_database->close();
// Enqueue events before notifying database, as database may close which
// enqueues more events and order matters.
enqueueEvent(Event::createBubble(EventTypeNames::abort));
finished();
}
DispatchEventResult IDBTransaction::dispatchEventInternal(Event* event) {
IDB_TRACE("IDBTransaction::dispatchEvent");
if (!getExecutionContext()) {
m_state = Finished;
return DispatchEventResult::CanceledBeforeDispatch;
}
DCHECK_NE(m_state, Finished);
DCHECK(m_hasPendingActivity);
DCHECK(getExecutionContext());
DCHECK_EQ(event->target(), this);
m_state = Finished;
HeapVector<Member<EventTarget>> targets;
targets.append(this);
targets.append(db());
// FIXME: When we allow custom event dispatching, this will probably need to
// change.
DCHECK(event->type() == EventTypeNames::complete ||
event->type() == EventTypeNames::abort);
DispatchEventResult dispatchResult =
IDBEventDispatcher::dispatch(event, targets);
// FIXME: Try to construct a test where |this| outlives openDBRequest and we
// get a crash.
if (m_openDBRequest) {
DCHECK(isVersionChange());
m_openDBRequest->transactionDidFinishAndDispatch();
}
m_hasPendingActivity = false;
return dispatchResult;
}
Range::Range(const CHARRANGE& range, LONG total_length)
{
// Check if this is an invalid range.
if(range.cpMin==-1 && range.cpMax==-1)
{
*this = InvalidRange();
}
else
{
DCHECK_GE(range.cpMin, 0);
set_start(range.cpMin);
// {0,-1} is the "whole range" but that doesn't mean much out of context,
// so use the |total_length| parameter.
if(range.cpMax == -1)
{
DCHECK_EQ(0, range.cpMin);
DCHECK_NE(-1, total_length);
set_end(total_length);
}
else
{
set_end(range.cpMax);
}
}
}
intptr_t Fiber::preempt(State state) {
intptr_t ret;
auto preemptImpl = [&]() mutable {
DCHECK_EQ(fiberManager_.activeFiber_, this);
DCHECK_EQ(state_, RUNNING);
DCHECK_NE(state, RUNNING);
state_ = state;
recordStackPosition();
ret = fiberManager_.deactivateFiber(this);
DCHECK_EQ(fiberManager_.activeFiber_, this);
DCHECK_EQ(state_, READY_TO_RUN);
state_ = RUNNING;
};
if (fiberManager_.preemptRunner_) {
fiberManager_.preemptRunner_->run(std::ref(preemptImpl));
} else {
preemptImpl();
}
return ret;
}
void CSSLazyParsingState::countRuleParsed() {
++m_parsedStyleRules;
while (m_parsedStyleRules > m_styleRulesNeededForNextMilestone) {
DCHECK_NE(UsageAll, m_usage);
++m_usage;
recordUsageMetrics();
}
}
void EventSource::didFail(const ResourceError& error) {
DCHECK_NE(kClosed, m_state);
DCHECK(m_loader);
if (error.isCancellation())
m_state = kClosed;
networkRequestEnded();
}
void IDBTransaction::setError(DOMException* error) {
DCHECK_NE(m_state, Finished);
DCHECK(error);
// The first error to be set is the true cause of the
// transaction abort.
if (!m_error)
m_error = error;
}
int64_t IDBDatabase::findObjectStoreId(const String& name) const {
for (const auto& it : m_metadata.objectStores) {
if (it.value->name == name) {
DCHECK_NE(it.key, IDBObjectStoreMetadata::InvalidId);
return it.key;
}
}
return IDBObjectStoreMetadata::InvalidId;
}
void KeyframeEffectModelBase::ensureInterpolationEffectPopulated() const {
if (m_interpolationEffect.isPopulated())
return;
for (const auto& entry : *m_keyframeGroups) {
const PropertySpecificKeyframeVector& keyframes = entry.value->keyframes();
for (size_t i = 0; i < keyframes.size() - 1; i++) {
size_t startIndex = i;
size_t endIndex = i + 1;
double startOffset = keyframes[startIndex]->offset();
double endOffset = keyframes[endIndex]->offset();
double applyFrom = startOffset;
double applyTo = endOffset;
if (i == 0) {
applyFrom = -std::numeric_limits<double>::infinity();
DCHECK_EQ(startOffset, 0.0);
if (endOffset == 0.0) {
DCHECK_NE(keyframes[endIndex + 1]->offset(), 0.0);
endIndex = startIndex;
}
}
if (i == keyframes.size() - 2) {
applyTo = std::numeric_limits<double>::infinity();
DCHECK_EQ(endOffset, 1.0);
if (startOffset == 1.0) {
DCHECK_NE(keyframes[startIndex - 1]->offset(), 1.0);
startIndex = endIndex;
}
}
if (applyFrom != applyTo) {
m_interpolationEffect.addInterpolationsFromKeyframes(
entry.key, *keyframes[startIndex], *keyframes[endIndex], applyFrom,
applyTo);
}
// else the interpolation will never be used in sampling
}
}
m_interpolationEffect.setPopulated();
}
void IDBTransaction::enqueueEvent(Event* event) {
DCHECK_NE(m_state, Finished)
<< "A finished transaction tried to enqueue an event of type "
<< event->type() << ".";
if (!getExecutionContext())
return;
EventQueue* eventQueue = getExecutionContext()->getEventQueue();
event->setTarget(this);
eventQueue->enqueueEvent(event);
}
void RadioButtonGroup::requiredAttributeChanged(HTMLInputElement* button) {
DCHECK_EQ(button->type(), InputTypeNames::radio);
auto it = m_members.find(button);
DCHECK_NE(it, m_members.end());
bool wasValid = isValid();
// Synchronize the 'required' flag for the button, along with
// updating the overall count.
updateRequiredButton(*it, button->isRequired());
if (wasValid != isValid())
setNeedsValidityCheckForAllButtons();
}
void IDBTransaction::objectStoreCreated(const String& name,
IDBObjectStore* objectStore) {
DCHECK_NE(m_state, Finished)
<< "A finished transaction created an object store";
DCHECK_EQ(m_mode, WebIDBTransactionModeVersionChange)
<< "A non-versionchange transaction created an object store";
DCHECK(!m_objectStoreMap.contains(name))
<< "An object store was created with the name of an existing store";
DCHECK(objectStore->isNewlyCreated())
<< "Object store IDs are not assigned sequentially";
m_objectStoreMap.set(name, objectStore);
}
static Node* nextAncestorSibling(const Node& node, const Node* stayWithin) {
DCHECK(!pseudoAwareNextSibling(node));
DCHECK_NE(node, stayWithin);
for (Node* parentNode = parent(node); parentNode;
parentNode = parent(*parentNode)) {
if (parentNode == stayWithin)
return 0;
if (Node* nextNode = pseudoAwareNextSibling(*parentNode))
return nextNode;
}
return 0;
}
void IDBTransaction::objectStoreRenamed(const String& oldName,
const String& newName) {
DCHECK_NE(m_state, Finished)
<< "A finished transaction renamed an object store";
DCHECK_EQ(m_mode, WebIDBTransactionModeVersionChange)
<< "A non-versionchange transaction renamed an object store";
DCHECK(!m_objectStoreMap.contains(newName));
DCHECK(m_objectStoreMap.contains(oldName))
<< "The object store had to be accessed in order to be renamed.";
m_objectStoreMap.set(newName, m_objectStoreMap.take(oldName));
}
Node* NodeTraversal::nextAncestorSibling(const Node& current,
const Node* stayWithin) {
DCHECK(!current.nextSibling());
DCHECK_NE(current, stayWithin);
for (Node& parent : ancestorsOf(current)) {
if (parent == stayWithin)
return 0;
if (parent.nextSibling())
return parent.nextSibling();
}
return 0;
}
LayoutObject* nextInTopLayer(const Element& element) {
if (!element.isInTopLayer())
return 0;
const HeapVector<Member<Element>>& topLayerElements =
element.document().topLayerElements();
size_t position = topLayerElements.find(&element);
DCHECK_NE(position, kNotFound);
for (size_t i = position + 1; i < topLayerElements.size(); ++i) {
if (LayoutObject* layoutObject = topLayerElements[i]->layoutObject())
return layoutObject;
}
return 0;
}
void Thread::StopSoon()
{
// 只能在启动线程中调用(启动本线程的线程!=本线程).
DCHECK_NE(thread_id_, GetCurrentThreadId());
if(stopping_ || !message_loop_)
{
return;
}
stopping_ = true;
message_loop_->PostTask(new ThreadQuitTask());
}
bool ImageFrame::takeBitmapDataIfWritable(ImageFrame* other) {
DCHECK(other);
DCHECK_EQ(FrameComplete, other->m_status);
DCHECK_EQ(FrameEmpty, m_status);
DCHECK_NE(this, other);
if (other->m_bitmap.isImmutable())
return false;
m_hasAlpha = other->m_hasAlpha;
m_bitmap.reset();
m_bitmap.swap(other->m_bitmap);
other->m_status = FrameEmpty;
return true;
}
float SVGLengthContext::resolveLength(const SVGElement* context,
SVGUnitTypes::SVGUnitType type,
const SVGLength& x) {
DCHECK_NE(SVGUnitTypes::kSvgUnitTypeUnknown, type);
if (type == SVGUnitTypes::kSvgUnitTypeUserspaceonuse) {
SVGLengthContext lengthContext(context);
return x.value(lengthContext);
}
// FIXME: valueAsPercentage() won't be correct for eg. cm units. They need to
// be resolved in user space and then be considered in objectBoundingBox
// space.
return x.valueAsPercentage();
}
IDBTransaction* IDBTransaction::createNonVersionChange(
ScriptState* scriptState,
int64_t id,
const HashSet<String>& scope,
WebIDBTransactionMode mode,
IDBDatabase* db) {
DCHECK_NE(mode, WebIDBTransactionModeVersionChange);
DCHECK(!scope.isEmpty()) << "Non-version transactions should operate on a "
"well-defined set of stores";
IDBTransaction* transaction =
new IDBTransaction(scriptState, id, scope, mode, db);
transaction->suspendIfNeeded();
return transaction;
}
