void OptionListIterator::advance(HTMLOptionElement* previous) {
// This function returns only
// - An OPTION child of m_select, or
// - An OPTION child of an OPTGROUP child of m_select.
Element* current;
if (previous) {
DCHECK_EQ(previous->ownerSelectElement(), m_select);
current = ElementTraversal::nextSkippingChildren(*previous, m_select);
} else {
current = ElementTraversal::firstChild(*m_select);
}
while (current) {
if (isHTMLOptionElement(current)) {
m_current = toHTMLOptionElement(current);
return;
}
if (isHTMLOptGroupElement(current) &&
current->parentNode() == m_select.get()) {
if ((m_current = Traversal<HTMLOptionElement>::firstChild(*current)))
return;
}
current = ElementTraversal::nextSkippingChildren(*current, m_select);
}
m_current = nullptr;
}
void PopupMenuImpl::update()
{
if (!m_popup || !m_ownerElement)
return;
ownerElement().document().updateLayoutTreeIfNeeded();
// disconnectClient() might have been called.
if (!m_ownerElement)
return;
m_needsUpdate = false;
RefPtr<SharedBuffer> data = SharedBuffer::create();
PagePopupClient::addString("window.updateData = {\n", data.get());
PagePopupClient::addString("type: \"update\",\n", data.get());
ItemIterationContext context(*m_ownerElement->computedStyle(), data.get());
context.serializeBaseStyle();
PagePopupClient::addString("children: [", data.get());
const WillBeHeapVector<RawPtrWillBeMember<HTMLElement>>& items = m_ownerElement->listItems();
for (; context.m_listIndex < items.size(); ++context.m_listIndex) {
Element& child = *items[context.m_listIndex];
if (!isHTMLOptGroupElement(child.parentNode()))
context.finishGroupIfNecessary();
if (isHTMLOptionElement(child))
addOption(context, toHTMLOptionElement(child));
else if (isHTMLOptGroupElement(child))
addOptGroup(context, toHTMLOptGroupElement(child));
else if (isHTMLHRElement(child))
addSeparator(context, toHTMLHRElement(child));
}
context.finishGroupIfNecessary();
PagePopupClient::addString("],\n", data.get());
PagePopupClient::addString("}\n", data.get());
m_popup->postMessage(String::fromUTF8(data->data(), data->size()));
}
void PopupMenuImpl::update()
{
if (!m_popup || !m_client)
return;
ownerElement().document().updateLayoutTreeIfNeeded();
if (!m_client)
return;
m_needsUpdate = false;
RefPtr<SharedBuffer> data = SharedBuffer::create();
PagePopupClient::addString("window.updateData = {\n", data.get());
PagePopupClient::addString("type: \"update\",\n", data.get());
ItemIterationContext context(*ownerElement().computedStyle(), data.get());
context.serializeBaseStyle();
PagePopupClient::addString("children: [", data.get());
for (HTMLElement& child : Traversal<HTMLElement>::childrenOf(ownerElement())) {
if (isHTMLOptionElement(child))
addOption(context, toHTMLOptionElement(child));
if (isHTMLOptGroupElement(child))
addOptGroup(context, toHTMLOptGroupElement(child));
if (isHTMLHRElement(child))
addSeparator(context, toHTMLHRElement(child));
}
PagePopupClient::addString("],\n", data.get());
PagePopupClient::addString("}\n", data.get());
m_popup->postMessage(String::fromUTF8(data->data(), data->size()));
}
void PopupMenuImpl::writeDocument(SharedBuffer* data)
{
IntRect anchorRectInScreen = m_chromeClient->viewportToScreen(m_client->elementRectRelativeToViewport());
PagePopupClient::addString("<!DOCTYPE html><head><meta charset='UTF-8'><style>\n", data);
data->append(Platform::current()->loadResource("pickerCommon.css"));
data->append(Platform::current()->loadResource("listPicker.css"));
PagePopupClient::addString("</style></head><body><div id=main>Loading...</div><script>\n"
"window.dialogArguments = {\n", data);
addProperty("selectedIndex", m_client->selectedIndex(), data);
const ComputedStyle* ownerStyle = ownerElement().computedStyle();
ItemIterationContext context(*ownerStyle, data);
context.serializeBaseStyle();
PagePopupClient::addString("children: [\n", data);
for (HTMLElement& child : Traversal<HTMLElement>::childrenOf(ownerElement())) {
if (isHTMLOptionElement(child))
addOption(context, toHTMLOptionElement(child));
if (isHTMLOptGroupElement(child))
addOptGroup(context, toHTMLOptGroupElement(child));
if (isHTMLHRElement(child))
addSeparator(context, toHTMLHRElement(child));
}
PagePopupClient::addString("],\n", data);
addProperty("anchorRectInScreen", anchorRectInScreen, data);
bool isRTL = !ownerStyle->isLeftToRightDirection();
addProperty("isRTL", isRTL, data);
addProperty("paddingStart", isRTL ? m_client->clientPaddingRight().toDouble() : m_client->clientPaddingLeft().toDouble(), data);
PagePopupClient::addString("};\n", data);
data->append(Platform::current()->loadResource("pickerCommon.js"));
data->append(Platform::current()->loadResource("listPicker.js"));
PagePopupClient::addString("</script></body>\n", data);
}
void PopupMenuImpl::update()
{
if (!m_popup || !m_client)
return;
ownerElement().document().updateLayoutTreeIfNeeded();
if (!m_client)
return;
m_needsUpdate = false;
RefPtr<SharedBuffer> data = SharedBuffer::create();
PagePopupClient::addString("window.updateData = {\n", data.get());
PagePopupClient::addString("type: \"update\",\n", data.get());
PagePopupClient::addString("children: [", data.get());
bool enableExtraStyling = !hasTooManyItemsForStyling();
for (HTMLElement& child : Traversal<HTMLElement>::childrenOf(ownerElement())) {
if (isHTMLOptionElement(child))
addOption(toHTMLOptionElement(child), enableExtraStyling, data.get());
if (isHTMLOptGroupElement(child))
addOptGroup(toHTMLOptGroupElement(child), enableExtraStyling, data.get());
if (isHTMLHRElement(child))
addSeparator(toHTMLHRElement(child), enableExtraStyling, data.get());
}
PagePopupClient::addString("],\n", data.get());
PagePopupClient::addString("}\n", data.get());
m_popup->postMessage(String::fromUTF8(data->data(), data->size()));
}
void PopupMenuImpl::writeDocument(SharedBuffer* data) {
HTMLSelectElement& ownerElement = *m_ownerElement;
IntRect anchorRectInScreen = m_chromeClient->viewportToScreen(
ownerElement.visibleBoundsInVisualViewport(),
ownerElement.document().view());
PagePopupClient::addString(
"<!DOCTYPE html><head><meta charset='UTF-8'><style>\n", data);
data->append(Platform::current()->loadResource("pickerCommon.css"));
data->append(Platform::current()->loadResource("listPicker.css"));
PagePopupClient::addString(
"</style></head><body><div id=main>Loading...</div><script>\n"
"window.dialogArguments = {\n",
data);
addProperty("selectedIndex", ownerElement.selectedListIndex(), data);
const ComputedStyle* ownerStyle = ownerElement.computedStyle();
ItemIterationContext context(*ownerStyle, data);
context.serializeBaseStyle();
PagePopupClient::addString("children: [\n", data);
const HeapVector<Member<HTMLElement>>& items = ownerElement.listItems();
for (; context.m_listIndex < items.size(); ++context.m_listIndex) {
Element& child = *items[context.m_listIndex];
if (!isHTMLOptGroupElement(child.parentNode()))
context.finishGroupIfNecessary();
if (isHTMLOptionElement(child))
addOption(context, toHTMLOptionElement(child));
else if (isHTMLOptGroupElement(child))
addOptGroup(context, toHTMLOptGroupElement(child));
else if (isHTMLHRElement(child))
addSeparator(context, toHTMLHRElement(child));
}
context.finishGroupIfNecessary();
PagePopupClient::addString("],\n", data);
addProperty("anchorRectInScreen", anchorRectInScreen, data);
float zoom = zoomFactor();
float scaleFactor = m_chromeClient->windowToViewportScalar(1.f);
addProperty("zoomFactor", zoom / scaleFactor, data);
bool isRTL = !ownerStyle->isLeftToRightDirection();
addProperty("isRTL", isRTL, data);
addProperty("paddingStart",
isRTL ? ownerElement.clientPaddingRight().toDouble() / zoom
: ownerElement.clientPaddingLeft().toDouble() / zoom,
data);
PagePopupClient::addString("};\n", data);
data->append(Platform::current()->loadResource("pickerCommon.js"));
data->append(Platform::current()->loadResource("listPicker.js"));
PagePopupClient::addString("</script></body>\n", data);
}
void PopupMenuImpl::update() {
if (!m_popup || !m_ownerElement)
return;
ownerElement().document().updateStyleAndLayoutTree();
// disconnectClient() might have been called.
if (!m_ownerElement)
return;
m_needsUpdate = false;
if (!ownerElement()
.document()
.frame()
->view()
->visibleContentRect()
.intersects(ownerElement().pixelSnappedBoundingBox())) {
hide();
return;
}
RefPtr<SharedBuffer> data = SharedBuffer::create();
PagePopupClient::addString("window.updateData = {\n", data.get());
PagePopupClient::addString("type: \"update\",\n", data.get());
ItemIterationContext context(*m_ownerElement->computedStyle(), data.get());
context.serializeBaseStyle();
PagePopupClient::addString("children: [", data.get());
const HeapVector<Member<HTMLElement>>& items = m_ownerElement->listItems();
for (; context.m_listIndex < items.size(); ++context.m_listIndex) {
Element& child = *items[context.m_listIndex];
if (!isHTMLOptGroupElement(child.parentNode()))
context.finishGroupIfNecessary();
if (isHTMLOptionElement(child))
addOption(context, toHTMLOptionElement(child));
else if (isHTMLOptGroupElement(child))
addOptGroup(context, toHTMLOptGroupElement(child));
else if (isHTMLHRElement(child))
addSeparator(context, toHTMLHRElement(child));
}
context.finishGroupIfNecessary();
PagePopupClient::addString("],\n", data.get());
IntRect anchorRectInScreen = m_chromeClient->viewportToScreen(
m_ownerElement->visibleBoundsInVisualViewport(),
ownerElement().document().view());
addProperty("anchorRectInScreen", anchorRectInScreen, data.get());
PagePopupClient::addString("}\n", data.get());
m_popup->postMessage(String::fromUTF8(data->data(), data->size()));
}
void PopupMenuImpl::writeDocument(SharedBuffer* data)
{
IntRect anchorRectInScreen = m_chromeClient->viewportToScreen(m_client->elementRectRelativeToViewport());
PagePopupClient::addString("<!DOCTYPE html><head><meta charset='UTF-8'><style>\n", data);
data->append(Platform::current()->loadResource("pickerCommon.css"));
data->append(Platform::current()->loadResource("listPicker.css"));
PagePopupClient::addString("</style></head><body><div id=main>Loading...</div><script>\n"
"window.dialogArguments = {\n", data);
addProperty("selectedIndex", m_client->selectedIndex(), data);
PagePopupClient::addString("children: [\n", data);
bool enableExtraStyling = !hasTooManyItemsForStyling();
for (HTMLElement& child : Traversal<HTMLElement>::childrenOf(ownerElement())) {
if (isHTMLOptionElement(child))
addOption(toHTMLOptionElement(child), enableExtraStyling, data);
if (isHTMLOptGroupElement(child))
addOptGroup(toHTMLOptGroupElement(child), enableExtraStyling, data);
if (isHTMLHRElement(child))
addSeparator(toHTMLHRElement(child), enableExtraStyling, data);
}
PagePopupClient::addString("],\n", data);
addProperty("anchorRectInScreen", anchorRectInScreen, data);
const ComputedStyle* ownerStyle = ownerElement().computedStyle();
Color backgroundColor = ownerStyle->visitedDependentColor(CSSPropertyBackgroundColor);
#if OS(LINUX)
// On other platforms, the <option> background color is the same as the
// <select> background color. On Linux, that makes the <option>
// background color very dark, so by default, try to use a lighter
// background color for <option>s.
if (LayoutTheme::theme().systemColor(CSSValueButtonface) == backgroundColor)
backgroundColor = LayoutTheme::theme().systemColor(CSSValueMenu);
#endif
addProperty("backgroundColor", backgroundColor.serialized(), data);
bool isRTL = !ownerStyle->isLeftToRightDirection();
addProperty("isRTL", isRTL, data);
addProperty("paddingStart", isRTL ? m_client->clientPaddingRight().toDouble() : m_client->clientPaddingLeft().toDouble(), data);
PagePopupClient::addString("};\n", data);
data->append(Platform::current()->loadResource("pickerCommon.js"));
data->append(Platform::current()->loadResource("listPicker.js"));
PagePopupClient::addString("</script></body>\n", data);
}
void PopupMenuImpl::addOptGroup(HTMLOptGroupElement& element, bool enableExtraStyling, SharedBuffer* data)
{
PagePopupClient::addString("{\n", data);
PagePopupClient::addString("type: \"optgroup\",\n", data);
addProperty("label", element.groupLabelText(), data);
addProperty("title", element.title(), data);
addProperty("ariaLabel", element.fastGetAttribute(HTMLNames::aria_labelAttr), data);
addProperty("disabled", element.isDisabledFormControl(), data);
addElementStyle(element, enableExtraStyling, data);
PagePopupClient::addString("children: [", data);
for (HTMLElement& child : Traversal<HTMLElement>::childrenOf(element)) {
if (isHTMLOptionElement(child))
addOption(toHTMLOptionElement(child), enableExtraStyling, data);
if (isHTMLOptGroupElement(child))
addOptGroup(toHTMLOptGroupElement(child), enableExtraStyling, data);
if (isHTMLHRElement(child))
addSeparator(toHTMLHRElement(child), enableExtraStyling, data);
}
PagePopupClient::addString("],\n", data);
PagePopupClient::addString("},\n", data);
}
void PopupMenuImpl::addOptGroup(ItemIterationContext& context, HTMLOptGroupElement& element)
{
SharedBuffer* data = context.m_buffer;
++context.m_listIndex;
PagePopupClient::addString("{\n", data);
PagePopupClient::addString("type: \"optgroup\",\n", data);
addProperty("label", element.groupLabelText(), data);
addProperty("title", element.title(), data);
addProperty("ariaLabel", element.fastGetAttribute(HTMLNames::aria_labelAttr), data);
addProperty("disabled", element.isDisabledFormControl(), data);
addElementStyle(context, element);
PagePopupClient::addString("children: [", data);
for (HTMLElement& child : Traversal<HTMLElement>::childrenOf(element)) {
if (isHTMLOptionElement(child))
addOption(context, toHTMLOptionElement(child));
// TODO(tkent): Ignore nested OPTGROUP. crbug.com/502101.
if (isHTMLOptGroupElement(child))
addOptGroup(context, toHTMLOptGroupElement(child));
if (isHTMLHRElement(child))
addSeparator(context, toHTMLHRElement(child));
}
PagePopupClient::addString("],\n", data);
PagePopupClient::addString("},\n", data);
}
void RenderTheme::paintSliderTicks(RenderObject* o, const PaintInfo& paintInfo, const IntRect& rect)
{
Node* node = o->node();
if (!node)
return;
HTMLInputElement* input = node->toInputElement();
if (!input)
return;
HTMLDataListElement* dataList = static_cast<HTMLDataListElement*>(input->list());
if (!dataList)
return;
double min = input->minimum();
double max = input->maximum();
ControlPart part = o->style()->appearance();
// We don't support ticks on alternate sliders like MediaVolumeSliders.
if (part != SliderHorizontalPart && part != SliderVerticalPart)
return;
bool isHorizontal = part == SliderHorizontalPart;
IntSize thumbSize;
RenderObject* thumbRenderer = input->sliderThumbElement()->renderer();
if (thumbRenderer) {
RenderStyle* thumbStyle = thumbRenderer->style();
int thumbWidth = thumbStyle->width().intValue();
int thumbHeight = thumbStyle->height().intValue();
thumbSize.setWidth(isHorizontal ? thumbWidth : thumbHeight);
thumbSize.setHeight(isHorizontal ? thumbHeight : thumbWidth);
}
IntSize tickSize = sliderTickSize();
float zoomFactor = o->style()->effectiveZoom();
FloatRect tickRect;
int tickRegionSideMargin = 0;
int tickRegionWidth = 0;
IntRect trackBounds;
RenderObject* trackRenderer = input->sliderTrackElement()->renderer();
// We can ignoring transforms because transform is handled by the graphics context.
if (trackRenderer)
trackBounds = trackRenderer->absoluteBoundingBoxRectIgnoringTransforms();
IntRect sliderBounds = o->absoluteBoundingBoxRectIgnoringTransforms();
// Make position relative to the transformed ancestor element.
trackBounds.setX(trackBounds.x() - sliderBounds.x() + rect.x());
trackBounds.setY(trackBounds.y() - sliderBounds.y() + rect.y());
if (isHorizontal) {
tickRect.setWidth(floor(tickSize.width() * zoomFactor));
tickRect.setHeight(floor(tickSize.height() * zoomFactor));
tickRect.setY(floor(rect.y() + rect.height() / 2.0 + sliderTickOffsetFromTrackCenter() * zoomFactor));
tickRegionSideMargin = trackBounds.x() + (thumbSize.width() - tickSize.width() * zoomFactor) / 2.0;
tickRegionWidth = trackBounds.width() - thumbSize.width();
} else {
tickRect.setWidth(floor(tickSize.height() * zoomFactor));
tickRect.setHeight(floor(tickSize.width() * zoomFactor));
tickRect.setX(floor(rect.x() + rect.width() / 2.0 + sliderTickOffsetFromTrackCenter() * zoomFactor));
tickRegionSideMargin = trackBounds.y() + (thumbSize.width() - tickSize.width() * zoomFactor) / 2.0;
tickRegionWidth = trackBounds.height() - thumbSize.width();
}
RefPtr<HTMLCollection> options = dataList->options();
GraphicsContextStateSaver stateSaver(*paintInfo.context);
paintInfo.context->setFillColor(o->style()->visitedDependentColor(CSSPropertyColor), ColorSpaceDeviceRGB);
for (unsigned i = 0; Node* node = options->item(i); i++) {
ASSERT(isHTMLOptionElement(node));
HTMLOptionElement* optionElement = toHTMLOptionElement(node);
String value = optionElement->value();
if (!input->isValidValue(value))
continue;
double parsedValue = parseToDoubleForNumberType(input->sanitizeValue(value));
double tickFraction = (parsedValue - min) / (max - min);
double tickRatio = isHorizontal && o->style()->isLeftToRightDirection() ? tickFraction : 1.0 - tickFraction;
double tickPosition = round(tickRegionSideMargin + tickRegionWidth * tickRatio);
if (isHorizontal)
tickRect.setX(tickPosition);
else
tickRect.setY(tickPosition);
paintInfo.context->fillRect(tickRect);
}
}
