float PagePopupClient::zoomFactor() {
if (const ComputedStyle* style = ownerElement().computedStyle())
return style->effectiveZoom();
if (LocalFrame* frame = ownerElement().document().frame())
return frame->pageZoomFactor();
return 1;
}
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());
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::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()));
}
// We don't make child style information if the popup will have a lot of items
// because of a performance problem.
// TODO(tkent): This is a workaround. We should do a performance optimization.
bool PopupMenuImpl::hasTooManyItemsForStyling()
{
// 300 is enough for world-wide countries.
const unsigned styledChildrenLimit = 300;
if (!isHTMLSelectElement(ownerElement()))
return false;
return toHTMLSelectElement(ownerElement()).listItems().size() > styledChildrenLimit;
}
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::updateFromElement()
{
if (m_needsUpdate)
return;
m_needsUpdate = true;
ownerElement().document().postTask(BLINK_FROM_HERE, createSameThreadTask(&PopupMenuImpl::update, PassRefPtrWillBeRawPtr<PopupMenuImpl>(this)));
}
void PopupMenuImpl::setValueAndClosePopup(int numValue,
const String& stringValue) {
DCHECK(m_popup);
DCHECK(m_ownerElement);
if (!stringValue.isEmpty()) {
bool success;
int listIndex = stringValue.toInt(&success);
DCHECK(success);
EventQueueScope scope;
m_ownerElement->selectOptionByPopup(listIndex);
if (m_popup)
m_chromeClient->closePagePopup(m_popup);
// 'change' event is dispatched here. For compatbility with
// Angular 1.2, we need to dispatch a change event before
// mouseup/click events.
} else {
if (m_popup)
m_chromeClient->closePagePopup(m_popup);
}
// We dispatch events on the owner element to match the legacy behavior.
// Other browsers dispatch click events before and after showing the popup.
if (m_ownerElement) {
PlatformMouseEvent event;
Element* owner = &ownerElement();
owner->dispatchMouseEvent(event, EventTypeNames::mouseup);
owner->dispatchMouseEvent(event, EventTypeNames::click);
}
}
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::updateFromElement(UpdateReason) {
if (m_needsUpdate)
return;
m_needsUpdate = true;
ownerElement().document().postTask(
BLINK_FROM_HERE,
createSameThreadTask(&PopupMenuImpl::update, wrapPersistent(this)));
}
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::setValueAndClosePopup(int numValue, const String& stringValue)
{
ASSERT(m_popup);
ASSERT(m_ownerElement);
EventQueueScope scope;
RefPtrWillBeRawPtr<PopupMenuImpl> protector(this);
bool success;
int listIndex = stringValue.toInt(&success);
ASSERT(success);
m_ownerElement->valueChanged(listIndex);
if (m_popup)
m_chromeClient->closePagePopup(m_popup);
// We dispatch events on the owner element to match the legacy behavior.
// Other browsers dispatch click events before and after showing the popup.
if (m_ownerElement) {
PlatformMouseEvent event;
RefPtrWillBeRawPtr<Element> owner = &ownerElement();
owner->dispatchMouseEvent(event, EventTypeNames::mouseup);
owner->dispatchMouseEvent(event, EventTypeNames::click);
}
}
void ExternalPopupMenu::didAcceptIndices(const WebVector<int>& indices)
{
if (!m_ownerElement) {
m_webExternalPopupMenu = 0;
return;
}
// Calling methods on the HTMLSelectElement might lead to this object being
// derefed. This ensures it does not get deleted while we are running this
// method.
RefPtrWillBeRawPtr<ExternalPopupMenu> protect(this);
RefPtrWillBeRawPtr<HTMLSelectElement> ownerElement(m_ownerElement.get());
ownerElement->popupDidHide();
if (indices.size() == 0) {
ownerElement->valueChanged(static_cast<unsigned>(-1));
} else {
for (size_t i = 0; i < indices.size(); ++i)
ownerElement->listBoxSelectItem(toPopupMenuItemIndex(indices[i], *ownerElement), (i > 0), false, (i == indices.size() - 1));
}
m_webExternalPopupMenu = 0;
}
void PopupMenuImpl::selectFontsFromOwnerDocument(Document& document)
{
Document& ownerDocument = ownerElement().document();
document.styleEngine().setFontSelector(PopupMenuCSSFontSelector::create(&document, ownerDocument.styleEngine().fontSelector()));
}