void FindController::updateFindUIAfterPageScroll(bool found, const String& string, FindOptions options, unsigned maxMatchCount)
{
Frame* selectedFrame = frameWithSelection(m_webPage->corePage());
bool shouldShowOverlay = false;
if (!found) {
// Clear the selection.
if (selectedFrame)
selectedFrame->selection()->clear();
hideFindIndicator();
m_webPage->send(Messages::WebPageProxy::DidFailToFindString(string));
} else {
shouldShowOverlay = options & FindOptionsShowOverlay;
bool shouldShowHighlight = options & FindOptionsShowHighlight;
unsigned matchCount = 1;
if (shouldShowOverlay || shouldShowHighlight) {
if (maxMatchCount == numeric_limits<unsigned>::max())
--maxMatchCount;
matchCount = m_webPage->corePage()->markAllMatchesForText(string, core(options), shouldShowHighlight, maxMatchCount + 1);
// Check if we have more matches than allowed.
if (matchCount > maxMatchCount) {
shouldShowOverlay = false;
matchCount = static_cast<unsigned>(kWKMoreThanMaximumMatchCount);
}
}
m_webPage->send(Messages::WebPageProxy::DidFindString(string, matchCount));
if (!(options & FindOptionsShowFindIndicator) || !updateFindIndicator(selectedFrame, shouldShowOverlay)) {
// Either we shouldn't show the find indicator, or we couldn't update it.
hideFindIndicator();
}
}
if (!shouldShowOverlay) {
if (m_findPageOverlay) {
// Get rid of the overlay.
m_webPage->uninstallPageOverlay(m_findPageOverlay, false);
}
ASSERT(!m_findPageOverlay);
} else {
if (!m_findPageOverlay) {
RefPtr<PageOverlay> findPageOverlay = PageOverlay::create(this);
m_findPageOverlay = findPageOverlay.get();
m_webPage->installPageOverlay(findPageOverlay.release());
} else {
// The page overlay needs to be repainted.
m_findPageOverlay->setNeedsDisplay();
}
}
}
void FindController::deviceScaleFactorDidChange()
{
ASSERT(isShowingOverlay());
Frame* selectedFrame = frameWithSelection(m_webPage->corePage());
if (!selectedFrame)
return;
updateFindIndicator(selectedFrame, true, false);
}
void FindController::redraw()
{
if (!m_isShowingFindIndicator)
return;
Frame* selectedFrame = frameWithSelection(m_webPage->corePage());
if (!selectedFrame)
return;
updateFindIndicator(*selectedFrame, isShowingOverlay(), false);
}
void FindController::findString(const String& string, FindOptions options, unsigned maxMatchCount)
{
PluginView* pluginView = pluginViewForFrame(m_webPage->mainFrame());
WebCore::FindOptions coreOptions = core(options);
// iOS will reveal the selection through a different mechanism, and
// we need to avoid sending the non-painted selection change to the UI process
// so that it does not clear the selection out from under us.
#if PLATFORM(IOS)
coreOptions = static_cast<FindOptions>(coreOptions | DoNotRevealSelection);
#endif
willFindString();
bool foundStringStartsAfterSelection = false;
if (!pluginView) {
if (Frame* selectedFrame = frameWithSelection(m_webPage->corePage())) {
FrameSelection& fs = selectedFrame->selection();
if (fs.selectionBounds().isEmpty()) {
m_findMatches.clear();
int indexForSelection;
m_webPage->corePage()->findStringMatchingRanges(string, core(options), maxMatchCount, m_findMatches, indexForSelection);
m_foundStringMatchIndex = indexForSelection;
foundStringStartsAfterSelection = true;
}
}
}
bool found;
if (pluginView)
found = pluginView->findString(string, coreOptions, maxMatchCount);
else
found = m_webPage->corePage()->findString(string, coreOptions);
if (found) {
didFindString();
if (!foundStringStartsAfterSelection) {
if (options & FindOptionsBackwards)
m_foundStringMatchIndex--;
else
m_foundStringMatchIndex++;
}
}
RefPtr<WebPage> protectedWebPage = m_webPage;
m_webPage->drawingArea()->dispatchAfterEnsuringUpdatedScrollPosition([protectedWebPage, found, string, options, maxMatchCount] () {
protectedWebPage->findController().updateFindUIAfterPageScroll(found, string, options, maxMatchCount);
});
}
void FindController::findString(const String& string, FindDirection findDirection, FindOptions findOptions, unsigned maxNumMatches)
{
TextCaseSensitivity caseSensitivity = findOptions & FindOptionsCaseInsensitive ? TextCaseInsensitive : TextCaseSensitive;
bool found = m_webPage->corePage()->findString(string, caseSensitivity,
findDirection == FindDirectionForward ? WebCore::FindDirectionForward : WebCore::FindDirectionBackward,
findOptions & FindOptionsWrapAround);
Frame* selectedFrame = frameWithSelection(m_webPage->corePage());
bool shouldShowOverlay = false;
if (!found) {
// We didn't find the string, clear all text matches.
m_webPage->corePage()->unmarkAllTextMatches();
// And clear the selection.
if (selectedFrame)
selectedFrame->selection()->clear();
} else {
shouldShowOverlay = findOptions & FindOptionsShowOverlay;
if (shouldShowOverlay) {
unsigned numMatches = m_webPage->corePage()->markAllMatchesForText(string, caseSensitivity, false, maxNumMatches);
// Check if we have more matches than allowed.
if (numMatches > maxNumMatches)
shouldShowOverlay = false;
}
}
if (!shouldShowOverlay) {
if (m_findPageOverlay) {
// Get rid of the overlay.
m_webPage->uninstallPageOverlay();
}
ASSERT(!m_findPageOverlay);
return;
}
if (!m_findPageOverlay) {
OwnPtr<FindPageOverlay> findPageOverlay = FindPageOverlay::create(this);
m_findPageOverlay = findPageOverlay.get();
m_webPage->installPageOverlay(findPageOverlay.release());
} else {
// The page overlay needs to be repainted.
m_findPageOverlay->setNeedsDisplay();
}
}
void FindController::drawRect(PageOverlay* pageOverlay, GraphicsContext& graphicsContext, const IntRect& dirtyRect)
{
float fractionFadedIn = pageOverlay->fractionFadedIn();
Vector<IntRect> rects = rectsForTextMatches();
// Draw the background.
graphicsContext.fillRect(dirtyRect, overlayBackgroundColor(fractionFadedIn), ColorSpaceSRGB);
{
GraphicsContextStateSaver stateSaver(graphicsContext);
graphicsContext.setShadow(FloatSize(shadowOffsetX, shadowOffsetY), shadowBlurRadius, holeShadowColor(fractionFadedIn), ColorSpaceSRGB);
graphicsContext.setFillColor(holeFillColor(fractionFadedIn), ColorSpaceSRGB);
// Draw white frames around the holes.
for (size_t i = 0; i < rects.size(); ++i) {
IntRect whiteFrameRect = rects[i];
whiteFrameRect.inflate(1);
graphicsContext.fillRect(whiteFrameRect);
}
}
graphicsContext.setFillColor(Color::transparent, ColorSpaceSRGB);
// Clear out the holes.
for (size_t i = 0; i < rects.size(); ++i)
graphicsContext.fillRect(rects[i]);
if (!m_isShowingFindIndicator)
return;
if (Frame* selectedFrame = frameWithSelection(m_webPage->corePage())) {
IntRect findIndicatorRect = selectedFrame->view()->contentsToWindow(enclosingIntRect(selectedFrame->selection()->bounds()));
if (findIndicatorRect != m_findIndicatorRect)
hideFindIndicator();
}
}
void FindController::drawRect(PageOverlay*, GraphicsContext& graphicsContext, const IntRect& dirtyRect)
{
Color overlayBackgroundColor(0.1f, 0.1f, 0.1f, 0.25f);
Vector<IntRect> rects = rectsForTextMatches();
// Draw the background.
graphicsContext.fillRect(dirtyRect, overlayBackgroundColor, ColorSpaceSRGB);
{
GraphicsContextStateSaver stateSaver(graphicsContext);
#if ENABLE(LEGACY_FIND_INDICATOR_STYLE)
graphicsContext.setShadow(FloatSize(shadowOffsetX, shadowOffsetY), shadowBlurRadius, Color::black, ColorSpaceSRGB);
#endif
graphicsContext.setFillColor(Color::white, ColorSpaceSRGB);
// Draw white frames around the holes.
for (auto& rect : rects) {
IntRect whiteFrameRect = rect;
whiteFrameRect.inflate(1);
graphicsContext.fillRect(whiteFrameRect);
}
}
// Clear out the holes.
for (auto& rect : rects)
graphicsContext.clearRect(rect);
if (!m_isShowingFindIndicator)
return;
if (Frame* selectedFrame = frameWithSelection(m_webPage->corePage())) {
IntRect findIndicatorRect = selectedFrame->view()->contentsToWindow(enclosingIntRect(selectedFrame->selection().selectionBounds()));
if (findIndicatorRect != m_findIndicatorRect)
hideFindIndicator();
}
}
void FindController::updateFindUIAfterPageScroll(bool found, const String& string, FindOptions options, unsigned maxMatchCount)
{
Frame* selectedFrame = frameWithSelection(m_webPage->corePage());
PluginView* pluginView = pluginViewForFrame(m_webPage->mainFrame());
bool shouldShowOverlay = false;
if (!found) {
if (!pluginView)
m_webPage->corePage()->unmarkAllTextMatches();
if (selectedFrame)
selectedFrame->selection().clear();
hideFindIndicator();
m_webPage->send(Messages::WebPageProxy::DidFailToFindString(string));
} else {
shouldShowOverlay = options & FindOptionsShowOverlay;
bool shouldShowHighlight = options & FindOptionsShowHighlight;
unsigned matchCount = 1;
if (shouldShowOverlay || shouldShowHighlight) {
if (maxMatchCount == std::numeric_limits<unsigned>::max())
--maxMatchCount;
if (pluginView) {
matchCount = pluginView->countFindMatches(string, core(options), maxMatchCount + 1);
shouldShowOverlay = false;
} else {
m_webPage->corePage()->unmarkAllTextMatches();
matchCount = m_webPage->corePage()->markAllMatchesForText(string, core(options), shouldShowHighlight, maxMatchCount + 1);
}
// If we have a large number of matches, we don't want to take the time to paint the overlay.
if (matchCount > maxMatchCount) {
shouldShowOverlay = false;
matchCount = static_cast<unsigned>(kWKMoreThanMaximumMatchCount);
}
}
m_webPage->send(Messages::WebPageProxy::DidFindString(string, matchCount));
if (!(options & FindOptionsShowFindIndicator) || !updateFindIndicator(selectedFrame, shouldShowOverlay))
hideFindIndicator();
}
if (!shouldShowOverlay) {
if (m_findPageOverlay)
m_webPage->uninstallPageOverlay(m_findPageOverlay, true);
} else {
if (!m_findPageOverlay) {
RefPtr<PageOverlay> findPageOverlay = PageOverlay::create(this);
m_findPageOverlay = findPageOverlay.get();
m_webPage->installPageOverlay(findPageOverlay.release(), true);
m_findPageOverlay->setNeedsDisplay();
} else
m_findPageOverlay->setNeedsDisplay();
}
}
