void InPageSearchManager::frameUnloaded(const Frame* frame)
{
for (size_t i = 0; i < m_deferredScopingWork.size(); i++) {
if (m_deferredScopingWork[i]->m_scopingFrame == frame) {
// Clear pending scoping efforts in case of dangling pointer.
cancelPendingScopingEffort();
break;
}
}
if (!m_activeMatch) {
if (m_webPage->mainFrame() == frame && m_activeSearchString.length())
m_activeSearchString = String();
return;
}
Frame* currentActiveMatchFrame = m_activeMatch->ownerDocument().frame();
if (currentActiveMatchFrame == frame) {
// FIXME: We need to re-scope this frame instead of cancelling all effort?
cancelPendingScopingEffort();
m_activeMatch = 0;
m_activeSearchString = String();
m_activeMatchCount = 0;
// FIXME: We need to notify client here.
if (frame == m_webPage->mainFrame()) // Don't need to unmark because the page will be destroyed.
return;
m_webPage->m_page->unmarkAllTextMatches();
}
}
void TextFinder::startScopingStringMatches(int identifier,
const WebString& searchText,
const WebFindOptions& options) {
cancelPendingScopingEffort();
// This is a brand new search, so we need to reset everything.
// Scoping is just about to begin.
m_scopingInProgress = true;
// Need to keep the current identifier locally in order to finish the
// request in case the frame is detached during the process.
m_findRequestIdentifier = identifier;
// Clear highlighting for this frame.
unmarkAllTextMatches();
// Clear the tickmarks and results cache.
clearFindMatchesCache();
// Clear the total match count and increment markers version.
resetMatchCount();
// Clear the counters from last operation.
m_lastMatchCount = 0;
m_nextInvalidateAfter = 0;
m_resumeScopingFromRange = nullptr;
// The view might be null on detached frames.
LocalFrame* frame = ownerFrame().frame();
if (frame && frame->page())
m_frameScoping = true;
// Now, defer scoping until later to allow find operation to finish quickly.
scopeStringMatchesSoon(identifier, searchText, options);
}
void TextFinder::stopFindingAndClearSelection()
{
cancelPendingScopingEffort();
// Remove all markers for matches found and turn off the highlighting.
m_ownerFrame.frame()->document()->markers().removeMarkers(DocumentMarker::TextMatch);
m_ownerFrame.frame()->editor().setMarkedTextMatchesAreHighlighted(false);
clearFindMatchesCache();
// Let the frame know that we don't want tickmarks or highlighting anymore.
m_ownerFrame.invalidateAll();
}
void InPageSearchManager::frameUnloaded(const Frame* frame)
{
if (!m_activeMatch) {
if (m_webPage->mainFrame() == frame && m_activeSearchString.length())
m_activeSearchString = String();
return;
}
Frame* currentActiveMatchFrame = m_activeMatch->ownerDocument()->frame();
if (currentActiveMatchFrame == frame) {
// FIXME: We need to re-scope this frame instead of cancelling all effort?
cancelPendingScopingEffort();
m_activeMatch = 0;
m_activeSearchString = String();
m_activeMatchCount = 0;
// FIXME: We need to notify client here.
if (frame == m_webPage->mainFrame()) // Don't need to unmark because the page will be destroyed.
return;
m_webPage->m_page->unmarkAllTextMatches();
}
}
bool InPageSearchManager::findNextString(const String& text, FindOptions findOptions, bool wrap, bool highlightAllMatches, bool selectActiveMatchOnClear)
{
bool highlightAllMatchesStateChanged = m_highlightAllMatches != highlightAllMatches;
m_highlightAllMatches = highlightAllMatches;
if (!text.length()) {
clearTextMatches(selectActiveMatchOnClear);
cancelPendingScopingEffort();
m_activeSearchString = String();
m_webPage->m_client->updateFindStringResult(m_activeMatchCount, m_activeMatchIndex);
return false;
}
if (!shouldSearchForText(text)) {
m_activeSearchString = text;
m_webPage->m_client->updateFindStringResult(m_activeMatchCount, m_activeMatchIndex);
return false;
}
// Validate the range in case any node has been removed since last search.
if (m_activeMatch && !m_activeMatch->boundaryPointsValid())
m_activeMatch = 0;
ExceptionCode ec = 0;
RefPtr<Range> searchStartingPoint = m_activeMatch ? m_activeMatch->cloneRange(ec) : 0;
bool newSearch = highlightAllMatchesStateChanged || (m_activeSearchString != text);
bool forward = !(findOptions & WebCore::Backwards);
if (newSearch) { // Start a new search.
m_activeSearchString = text;
cancelPendingScopingEffort();
m_scopingCaseInsensitive = findOptions & CaseInsensitive;
m_webPage->m_page->unmarkAllTextMatches();
} else {
// Searching for same string should start from the end of last match.
if (m_activeMatch) {
if (forward)
searchStartingPoint->setStart(searchStartingPoint->endPosition());
else
searchStartingPoint->setEnd(searchStartingPoint->startPosition());
}
}
// If there is any active selection, new search should start from the beginning of it.
bool startFromSelection = false;
VisibleSelection selection = m_webPage->focusedOrMainFrame()->selection().selection();
if (!selection.isNone()) {
searchStartingPoint = selection.firstRange().get();
m_webPage->focusedOrMainFrame()->selection().clear();
startFromSelection = true;
}
Frame* currentActiveMatchFrame = selection.isNone() && m_activeMatch ? m_activeMatch->ownerDocument().frame() : m_webPage->focusedOrMainFrame();
if (findAndMarkText(text, searchStartingPoint.get(), currentActiveMatchFrame, findOptions, newSearch, startFromSelection))
return true;
Frame* startFrame = currentActiveMatchFrame;
do {
currentActiveMatchFrame = DOMSupport::incrementFrame(currentActiveMatchFrame, forward, wrap);
if (!currentActiveMatchFrame) {
// We should only ever have a null frame if we haven't found any
// matches and we're not wrapping. We have searched every frame.
ASSERT(!wrap);
m_webPage->m_client->updateFindStringResult(m_activeMatchCount, m_activeMatchIndex);
return false;
}
if (findAndMarkText(text, 0, currentActiveMatchFrame, findOptions, newSearch, startFromSelection))
return true;
} while (startFrame != currentActiveMatchFrame);
clearTextMatches();
m_webPage->m_client->updateFindStringResult(m_activeMatchCount, m_activeMatchIndex);
return false;
}
InPageSearchManager::~InPageSearchManager()
{
cancelPendingScopingEffort();
}
TextFinder::~TextFinder()
{
cancelPendingScopingEffort();
}
TextFinder::~TextFinder()
{
#if !ENABLE(OILPAN)
cancelPendingScopingEffort();
#endif
}
bool InPageSearchManager::findNextString(const String& text, bool forward)
{
if (!text.length()) {
clearTextMatches();
cancelPendingScopingEffort();
m_activeSearchString = String();
return false;
}
if (!shouldSearchForText(text)) {
m_activeSearchString = text;
return false;
}
// Validate the range in case any node has been removed since last search.
if (m_activeMatch && !m_activeMatch->boundaryPointsValid())
m_activeMatch = 0;
RefPtr<Range> searchStartingPoint(m_activeMatch);
bool newSearch = m_activeSearchString != text;
if (newSearch) { // Start a new search.
m_activeSearchString = text;
cancelPendingScopingEffort();
m_webPage->m_page->unmarkAllTextMatches();
} else { // Search same string for next occurrence.
setMarkerActive(m_activeMatch.get(), false /* active */);
// Searching for same string should start from the end of last match.
if (m_activeMatch) {
if (forward)
searchStartingPoint->setStart(searchStartingPoint->endPosition());
else
searchStartingPoint->setEnd(searchStartingPoint->startPosition());
}
}
// If there is any active selection, new search should start from the beginning of it.
VisibleSelection selection = m_webPage->focusedOrMainFrame()->selection()->selection();
if (!selection.isNone()) {
searchStartingPoint = selection.firstRange().get();
m_webPage->focusedOrMainFrame()->selection()->clear();
}
Frame* currentActiveMatchFrame = selection.isNone() && m_activeMatch ? m_activeMatch->ownerDocument()->frame() : m_webPage->focusedOrMainFrame();
const FindOptions findOptions = (forward ? 0 : Backwards)
| CaseInsensitive
| StartInSelection;
if (findAndMarkText(text, searchStartingPoint.get(), currentActiveMatchFrame, findOptions, newSearch))
return true;
Frame* startFrame = currentActiveMatchFrame;
do {
currentActiveMatchFrame = DOMSupport::incrementFrame(currentActiveMatchFrame, forward, true /* wrapFlag */);
if (findAndMarkText(text, 0, currentActiveMatchFrame, findOptions, newSearch))
return true;
} while (currentActiveMatchFrame && startFrame != currentActiveMatchFrame);
clearTextMatches();
// FIXME: We need to notify client here.
return false;
}