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FindStringCallbackAggregator.cpp
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126 lines (108 loc) · 5.27 KB
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/*
* Copyright (C) 2024 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "FindStringCallbackAggregator.h"
#include "APIFindClient.h"
#include "WebFrameProxy.h"
#include "WebPageMessages.h"
#include "WebPageProxy.h"
#include "WebProcessProxy.h"
namespace WebKit {
using namespace WebCore;
Ref<FindStringCallbackAggregator> FindStringCallbackAggregator::create(WebPageProxy& page, const String& string, OptionSet<FindOptions> options, unsigned maxMatchCount, CompletionHandler<void(bool)>&& completionHandler)
{
return adoptRef(*new FindStringCallbackAggregator(page, string, options, maxMatchCount, WTF::move(completionHandler)));
}
void FindStringCallbackAggregator::foundString(std::optional<FrameIdentifier> frameID, uint32_t matchCount, bool didWrap)
{
if (!frameID)
return;
m_matchCount += matchCount;
m_matches.set(*frameID, didWrap);
}
RefPtr<WebFrameProxy> FindStringCallbackAggregator::incrementFrame(WebFrameProxy& frame)
{
auto canWrap = m_options.contains(FindOptions::WrapAround) ? CanWrap::Yes : CanWrap::No;
return m_options.contains(FindOptions::Backwards)
? frame.traversePrevious(canWrap).frame
: frame.traverseNext(canWrap).frame;
}
bool FindStringCallbackAggregator::shouldTargetFrame(WebFrameProxy& frame, WebFrameProxy& focusedFrame, bool didWrap)
{
if (!didWrap)
return true;
if (frame.process() != focusedFrame.process())
return true;
RefPtr nextFrameInProcess = incrementFrame(focusedFrame);
while (nextFrameInProcess && nextFrameInProcess != &focusedFrame && nextFrameInProcess->process() == focusedFrame.process()) {
if (nextFrameInProcess == &frame)
return true;
nextFrameInProcess = incrementFrame(*nextFrameInProcess);
}
return false;
}
FindStringCallbackAggregator::~FindStringCallbackAggregator()
{
RefPtr protectedPage = m_page.get();
if (!protectedPage) {
m_completionHandler(false);
return;
}
RefPtr focusedFrame = protectedPage->focusedOrMainFrame();
if (!focusedFrame) {
m_completionHandler(false);
return;
}
RefPtr frameContainingMatch = focusedFrame.get();
do {
auto it = m_matches.find(frameContainingMatch->frameID());
if (it != m_matches.end()) {
if (shouldTargetFrame(*frameContainingMatch, *focusedFrame, it->value))
break;
}
frameContainingMatch = incrementFrame(*frameContainingMatch);
} while (frameContainingMatch && frameContainingMatch != focusedFrame);
auto message = Messages::WebPage::FindString(m_string, m_options, m_maxMatchCount);
auto completionHandler = [protectedPage = Ref { *protectedPage }, string = m_string, matchCount = m_matchCount, completionHandler = WTF::move(m_completionHandler)](std::optional<FrameIdentifier> frameID, Vector<IntRect>&& matchRects, uint32_t, int32_t matchIndex, bool didWrap) mutable {
if (!frameID)
protectedPage->findClient().didFailToFindString(protectedPage.ptr(), string);
else
protectedPage->findClient().didFindString(protectedPage.ptr(), string, matchRects, matchCount, matchIndex, didWrap);
completionHandler(frameID.has_value());
};
Ref targetFrame = frameContainingMatch ? *frameContainingMatch : *focusedFrame;
protect(targetFrame->process())->sendWithAsyncReply(WTF::move(message), WTF::move(completionHandler), protectedPage->webPageIDInProcess(protect(targetFrame->process())));
if (frameContainingMatch && focusedFrame && focusedFrame->process() != frameContainingMatch->process())
protectedPage->clearSelection(focusedFrame->frameID());
}
FindStringCallbackAggregator::FindStringCallbackAggregator(WebPageProxy& page, const String& string, OptionSet<FindOptions> options, unsigned maxMatchCount, CompletionHandler<void(bool)>&& completionHandler)
: m_page(page)
, m_string(string)
, m_options(options)
, m_maxMatchCount(maxMatchCount)
, m_completionHandler(WTF::move(completionHandler))
{
}
} // namespace WebKit