void ValidationMessageClientImpl::checkAnchorStatus(Timer<ValidationMessageClientImpl>*)
{
DCHECK(m_currentAnchor);
if (monotonicallyIncreasingTime() >= m_finishTime || !currentView()) {
hideValidationMessage(*m_currentAnchor);
return;
}
// Check the visibility of the element.
// FIXME: Can we check invisibility by scrollable non-frame elements?
IntRect newAnchorRectInViewport = currentView()->contentsToViewport(m_currentAnchor->pixelSnappedBoundingBox());
// FIXME: This intersection eliminates the part of the rect outside the root view.
// If this is meant as a visiblity test, intersecting it against the viewport rect
// likely makes more sense.
newAnchorRectInViewport = intersection(currentView()->convertToRootFrame(currentView()->boundsRect()), newAnchorRectInViewport);
if (newAnchorRectInViewport.isEmpty()) {
hideValidationMessage(*m_currentAnchor);
return;
}
IntRect newAnchorRectInViewportInScreen = currentView()->getHostWindow()->viewportToScreen(newAnchorRectInViewport, currentView());
if (newAnchorRectInViewportInScreen == m_lastAnchorRectInScreen && m_webView.pageScaleFactor() == m_lastPageScaleFactor)
return;
m_lastAnchorRectInScreen = newAnchorRectInViewportInScreen;
m_lastPageScaleFactor = m_webView.pageScaleFactor();
m_webView.client()->moveValidationMessage(newAnchorRectInViewport);
}
void ValidationMessageClientImpl::showValidationMessage(const Element& anchor, const String& message, TextDirection messageDir, const String& subMessage, TextDirection subMessageDir)
{
if (message.isEmpty()) {
hideValidationMessage(anchor);
return;
}
if (!anchor.layoutBox())
return;
if (m_currentAnchor)
hideValidationMessage(*m_currentAnchor);
m_currentAnchor = &anchor;
IntRect anchorInViewport = currentView()->contentsToViewport(anchor.pixelSnappedBoundingBox());
m_lastAnchorRectInScreen = currentView()->getHostWindow()->viewportToScreen(anchorInViewport, currentView());
m_lastPageScaleFactor = m_webView.pageScaleFactor();
m_message = message;
const double minimumSecondToShowValidationMessage = 5.0;
const double secondPerCharacter = 0.05;
const double statusCheckInterval = 0.1;
m_webView.client()->showValidationMessage(anchorInViewport, m_message, toWebTextDirection(messageDir),
subMessage, toWebTextDirection(subMessageDir));
m_finishTime = monotonicallyIncreasingTime() + std::max(minimumSecondToShowValidationMessage, (message.length() + subMessage.length()) * secondPerCharacter);
// FIXME: We should invoke checkAnchorStatus actively when layout, scroll,
// or page scale change happen.
m_timer.startRepeating(statusCheckInterval, BLINK_FROM_HERE);
}
void ValidationMessageClientImpl::showValidationMessage(const Element& anchor, const String& message)
{
if (message.isEmpty()) {
hideValidationMessage(anchor);
return;
}
if (!anchor.renderBox())
return;
if (m_currentAnchor)
hideValidationMessage(*m_currentAnchor);
m_currentAnchor = &anchor;
IntRect anchorInRootView = currentView()->contentsToRootView(anchor.pixelSnappedBoundingBox());
m_lastAnchorRectInScreen = currentView()->hostWindow()->rootViewToScreen(anchorInRootView);
m_lastPageScaleFactor = m_webView.pageScaleFactor();
m_message = message;
WebTextDirection dir = m_currentAnchor->renderer()->style()->direction() == RTL ? WebTextDirectionRightToLeft : WebTextDirectionLeftToRight;
AtomicString title = m_currentAnchor->fastGetAttribute(HTMLNames::titleAttr);
if (m_client)
m_client->showValidationMessage(anchorInRootView, m_message, title, dir);
m_webView.client()->showValidationMessage(anchorInRootView, m_message, title, dir);
const double minimumSecondToShowValidationMessage = 5.0;
const double secondPerCharacter = 0.05;
const double statusCheckInterval = 0.1;
m_finishTime = monotonicallyIncreasingTime() + std::max(minimumSecondToShowValidationMessage, (message.length() + title.length()) * secondPerCharacter);
// FIXME: We should invoke checkAnchorStatus actively when layout, scroll,
// or page scale change happen.
m_timer.startRepeating(statusCheckInterval);
}
void ValidationMessageClientImpl::checkAnchorStatus(Timer<ValidationMessageClientImpl>*)
{
ASSERT(m_currentAnchor);
if (monotonicallyIncreasingTime() >= m_finishTime || !currentView()) {
hideValidationMessage(*m_currentAnchor);
return;
}
// Check the visibility of the element.
// FIXME: Can we check invisibility by scrollable non-frame elements?
IntRect newAnchorRect = currentView()->contentsToRootView(m_currentAnchor->pixelSnappedBoundingBox());
newAnchorRect = intersection(currentView()->convertToRootView(currentView()->boundsRect()), newAnchorRect);
if (newAnchorRect.isEmpty()) {
hideValidationMessage(*m_currentAnchor);
return;
}
IntRect newAnchorRectInScreen = currentView()->hostWindow()->rootViewToScreen(newAnchorRect);
if (newAnchorRectInScreen == m_lastAnchorRectInScreen && m_webView.pageScaleFactor() == m_lastPageScaleFactor)
return;
m_lastAnchorRectInScreen = newAnchorRectInScreen;
m_lastPageScaleFactor = m_webView.pageScaleFactor();
if (m_client)
m_client->moveValidationMessage(newAnchorRect);
m_webView.client()->moveValidationMessage(newAnchorRect);
}
void ValidationMessageClientImpl::willBeDestroyed()
{
if (m_currentAnchor)
hideValidationMessage(*m_currentAnchor);
}
void ValidationMessageClientImpl::documentDetached(const Document& document)
{
if (m_currentAnchor && m_currentAnchor->document() == document)
hideValidationMessage(*m_currentAnchor);
}
ValidationMessageClientImpl::~ValidationMessageClientImpl()
{
if (m_currentAnchor)
hideValidationMessage(*m_currentAnchor);
}