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;
}
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;
}